X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Felements%2FTextNode.java;h=bf1bf563b32c9f9e89c2c2355902d2a5b5f1ef02;hp=f948bc053c901b7a1e92201e5c4904fb61be6f6a;hb=680a2159d36d893cf7fbf0212e7ffbff847a8f82;hpb=b809a171b6dfb81ed9ef9e84870dcbcbc5912f0e
diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/elements/TextNode.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/elements/TextNode.java
index f948bc053..bf1bf563b 100644
--- a/bundles/org.simantics.diagram/src/org/simantics/diagram/elements/TextNode.java
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/elements/TextNode.java
@@ -1,2012 +1,1985 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
- * in Industry THTH ry.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.diagram.elements;
-
-import gnu.trove.list.array.TIntArrayList;
-
-import java.awt.AlphaComposite;
-import java.awt.BasicStroke;
-import java.awt.Color;
-import java.awt.Composite;
-import java.awt.Font;
-import java.awt.FontMetrics;
-import java.awt.Graphics2D;
-import java.awt.RenderingHints;
-import java.awt.Shape;
-import java.awt.Toolkit;
-import java.awt.datatransfer.Clipboard;
-import java.awt.datatransfer.DataFlavor;
-import java.awt.datatransfer.StringSelection;
-import java.awt.datatransfer.Transferable;
-import java.awt.event.KeyEvent;
-import java.awt.font.FontRenderContext;
-import java.awt.font.LineBreakMeasurer;
-import java.awt.font.TextAttribute;
-import java.awt.font.TextHitInfo;
-import java.awt.font.TextLayout;
-import java.awt.geom.AffineTransform;
-import java.awt.geom.Point2D;
-import java.awt.geom.Rectangle2D;
-import java.io.IOException;
-import java.text.AttributedCharacterIterator;
-import java.text.AttributedString;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Hashtable;
-
-import org.simantics.datatypes.literal.RGB;
-import org.simantics.db.layer0.variable.RVI;
-import org.simantics.diagram.elements.Line.BoundsProcedure;
-import org.simantics.g2d.canvas.ICanvasContext;
-import org.simantics.g2d.element.IElement;
-import org.simantics.scenegraph.IDynamicSelectionPainterNode;
-import org.simantics.scenegraph.LoaderNode;
-import org.simantics.scenegraph.ScenegraphUtils;
-import org.simantics.scenegraph.g2d.G2DNode;
-import org.simantics.scenegraph.g2d.G2DPDFRenderingHints;
-import org.simantics.scenegraph.g2d.events.Event;
-import org.simantics.scenegraph.g2d.events.EventTypes;
-import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;
-import org.simantics.scenegraph.g2d.events.MouseEvent;
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonPressedEvent;
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseClickEvent;
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDoubleClickedEvent;
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDragBegin;
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;
-import org.simantics.scenegraph.g2d.events.command.CommandEvent;
-import org.simantics.scenegraph.g2d.events.command.Commands;
-import org.simantics.scenegraph.g2d.events.NodeEventHandler;
-import org.simantics.scenegraph.utils.GeometryUtils;
-import org.simantics.scenegraph.utils.NodeUtil;
-import org.simantics.scl.runtime.function.Function1;
-import org.simantics.scl.runtime.function.Function2;
-import org.simantics.ui.colors.Colors;
-import org.simantics.ui.dnd.LocalObjectTransferable;
-import org.simantics.ui.fonts.Fonts;
-import org.simantics.utils.threads.AWTThread;
-
-import com.lowagie.text.DocumentException;
-import com.lowagie.text.Element;
-import com.lowagie.text.Rectangle;
-import com.lowagie.text.pdf.FontMapper;
-import com.lowagie.text.pdf.PdfFormField;
-import com.lowagie.text.pdf.PdfWriter;
-import com.lowagie.text.pdf.TextField;
-
-
-/**
- * TextNode which supports in-line editing.
- *
- * By default TextNode is in editable = false state. Use
- * {@link #setEditable(boolean)} to make it editable.
- *
- * @author Hannu Niemistö
- * @author Marko Luukkainen
- * @author Tuukka Lehtonen
- *
- * TODO:
- * o proper support for defining clipping bounds for the text (needed for page templates) (currently through fixedWidth)
- * o fix editing xOffset to work with fixed width and multi-line text
- * o
- *
- * @see Line
- * @see TextLayout
- */
-public class TextNode extends G2DNode implements IDynamicSelectionPainterNode, LoaderNode {
-
- private static final long serialVersionUID = 654692698101485672L;
-
- /**
- * TODO: justify existence for this
- */
- private static final BasicStroke RESET_STROKE = new BasicStroke(1);
-
- /**
- * Src-over alpha composite instance with 50% opacity.
- */
- private static final AlphaComposite SrcOver_50 = AlphaComposite.SrcOver.derive(0.5f);
-
- /**
- * For (inexact) measurement of rendered text bounds.
- */
- protected static final FontRenderContext FRC = new FontRenderContext(new AffineTransform(), true, true);
-
- private static final Font FONT = Font.decode("Arial 6");
- private static final Color SELECTION_BACKGROUND_COLOR = new Color(0x316ac5);
-// private static final double MAX_CARET_POSITION = 1.0;
-
- /**
- * The complete text visualized by this node.
- */
- protected String text = null;
-
- /**
- * The font used to render the {@link #text}.
- */
- protected Font font = FONT;
-
- /**
- * The color of the rendered text. Default value is {@value Color#black}.
- */
- protected Color color = Color.BLACK;
-
- /**
- * The background color used for filling the background of the bounding box
- * of the rendered text. null means no fill.
- * Default value is null.
- */
- protected Color backgroundColor = null;
-
- /**
- * The color used for drawing the expanded bounding box border for the
- * rendered text. null means no border is rendered. Default
- * value is null.
- */
- protected Color borderColor = null;
-
- protected double scale = 1.0;
- protected transient double scaleRecip = 1.0;
-
- /**
- *
- */
- protected float borderWidth = 0.f;
-
- protected double paddingX = 2.0;
- protected double paddingY = 2.0;
-
- /**
- * Horizontal text box alignment with respect to its origin. Default value is
- * 0 (leading).
- */
- protected byte horizontalAlignment = 0;
- /**
- * Vertical text box alignment with respect to its origin. Default value is
- * 3 (baseline).
- */
- protected byte verticalAlignment = 3;
-
- /**
- * Tells if this node is still pending for real results or not.
- */
- protected static final int STATE_PENDING = (1 << 0);
- protected static final int STATE_HOVER = (1 << 1);
- protected static final int STATE_EDITABLE = (1 << 2);
- protected static final int STATE_SHOW_SELECTION = (1 << 3);
- protected static final int STATE_WRAP_TEXT = (1 << 4);
- protected transient static final int STATE_EDITING = (1 << 5);
- protected transient static final int STATE_VALID = (1 << 6);
- protected transient static final int STATE_X_OFFSET_IS_DIRTY = (1 << 7);
- protected static final int STATE_ALWAYS_ADD_LISTENERS = (1 << 8);
- protected static final int STATE_LISTENERS_ADDED = (1 << 9);
-
- /**
- * A combination of all the STATE_ constants defined in this class,
- * e.g. {@link #STATE_PENDING}.
- */
- protected int state = STATE_SHOW_SELECTION | STATE_WRAP_TEXT | STATE_VALID | STATE_X_OFFSET_IS_DIRTY;
-
- protected RVI dataRVI = null;
-
- int caret = 0;
- int selectionTail = 0;
- float xOffset = 0;
-
- float fixedWidth = 0f;
-
- private Rectangle2D targetBounds;
-
- Function1 validator;
- ITextListener textListener;
- ITextContentFilter editContentFilter;
-
- /**
- * The renderable line structures parsed from {@link #text} by
- * {@link #parseLines(String)}, laid out by
- * {@link #layoutLines(Line[], FontRenderContext)} and aligned by
- * {@link #alignLines(Line[], Rectangle2D, byte, byte)}
- */
- protected transient Line[] lines = null;
- protected transient FontMetrics fontMetrics = null;
-
- /**
- * Stores the value of {@link #text} before edit mode was last entered. Used
- * for restoring the original value if editing is cancelled.
- */
- private transient String textBeforeEdit = null;
- protected transient TextEditActivation editActivation;
-
- /**
- * Stores the last scaled bounds.
- */
- private transient Rectangle2D lastBounds = new Rectangle2D.Double();
-
- /**
- * This must be nullified if anything that affects the result of
- * {@link #getTightAlignedBoundsInLocal(Rectangle2D, FontRenderContext)}
- * changes. It will cause the cached value to be recalculated on the next
- * request.
- */
- private transient Rectangle2D tightBoundsCache = null;
-
- @Override
- public void init() {
- super.init();
- // Mark this node as pending
- NodeUtil.increasePending(this);
- }
-
- @Override
- public void cleanup() {
- removeListeners();
- super.cleanup();
- }
-
- protected boolean hasState(int flags) {
- return (state & flags) == flags;
- }
-
- protected void setState(int flags) {
- this.state |= flags;
- }
-
- protected void setState(int flags, boolean set) {
- if (set)
- this.state |= flags;
- else
- this.state &= ~flags;
- }
-
- protected void clearState(int flags) {
- this.state &= ~flags;
- }
-
- protected void setListeners(boolean add) {
- if (add)
- addListeners();
- else
- removeListeners();
- }
-
- protected void addListeners() {
- if (!hasState(STATE_LISTENERS_ADDED)) {
- addEventHandler(this);
- setState(STATE_LISTENERS_ADDED);
- }
- }
-
- protected void removeListeners() {
- if (hasState(STATE_LISTENERS_ADDED)) {
- removeEventHandler(this);
- clearState(STATE_LISTENERS_ADDED);
- }
- }
-
- /**
- * Set to true to always enable event listening in this TextNode to allow the text node to keep track of hovering, etc. and to allow DnD even when
- * @param force
- */
- public void setForceEventListening(boolean force) {
- setState(STATE_ALWAYS_ADD_LISTENERS, force);
- if (force && !hasState(STATE_EDITABLE)) {
- setListeners(force);
- }
- }
-
- /**
- * Enables or disables edit mode. It also sets
- * the caret at the end of text all selects the
- * whole text (this is the usual convention when
- * beginning to edit one line texts).
- * @param edit
- * @return null if no change to edit state was made
- */
- public Boolean setEditMode(boolean edit) {
- return setEditMode(edit, true);
- }
-
- /**
- * Enables or disables edit mode. It also sets
- * the caret at the end of text all selects the
- * whole text (this is the usual convention when
- * beginning to edit one line texts).
- * @param edit
- * @return null if no change to edit state was made
- */
- protected Boolean setEditMode(boolean edit, boolean notify) {
- if (edit && !hasState(STATE_EDITABLE))
- return null;
- if (hasState(STATE_EDITING) == edit)
- return null;
- setState(STATE_EDITING);
- if (edit) {
- caret = text != null ? text.length() : 0;
- selectionTail = 0;
- textBeforeEdit = text;
- if (notify)
- fireTextEditingStarted();
- return Boolean.TRUE;
- } else {
- if (notify)
- fireTextEditingEnded();
- return Boolean.FALSE;
- }
- }
-
- @SyncField({"editable"})
- public void setEditable(boolean editable) {
- boolean changed = hasState(STATE_EDITABLE) != editable;
- setState(STATE_EDITABLE, editable);
- if (hasState(STATE_EDITING) && !editable)
- setEditMode(false);
- if (changed && !hasState(STATE_ALWAYS_ADD_LISTENERS)) {
- setListeners(editable);
- }
- }
-
- public boolean isEditable() {
- return hasState(STATE_EDITABLE);
- }
-
- public boolean isEditMode() {
- return hasState(STATE_EDITING);
- }
-
- @SyncField({"wrapText"})
- public void setWrapText(boolean wrapText) {
- setState(STATE_WRAP_TEXT, wrapText);
- }
-
- /**
- * @return Does the text box wrap text if
- * the width of the box is fixed
- */
- public boolean isWrapText() {
- return hasState(STATE_WRAP_TEXT);
- }
-
- @SyncField({"showSelection"})
- public void setShowSelection(boolean showSelection) {
- setState(STATE_SHOW_SELECTION, showSelection);
- }
-
- public boolean showsSelection() {
- return hasState(STATE_SHOW_SELECTION);
- }
-
- /**
- * @param text
- * @param font
- * @param color
- * @param x not supported anymore, use {@link #setTransform(AffineTransform)} instead
- * @param y not supported anymore, use {@link #setTransform(AffineTransform)} instead
- * @param scale
- */
- @SyncField({"text", "font", "color", "x", "y", "scale"})
- public void init(String text, Font font, Color color, double x, double y, double scale) {
- // no value => value
- if(this.text == null && text != null) NodeUtil.decreasePending(this);
-
- if (hasState(STATE_EDITING))
- return;
-
- this.text = new String(text != null ? text : "");
- this.font = font;
- this.color = color;
- this.scale = scale;
- this.scaleRecip = 1.0 / scale;
- this.caret = 0;
- this.selectionTail = 0;
-
- resetCaches();
- }
-
- @SyncField({"paddingX", "paddingY"})
- public void setPadding(double x, double y) {
- this.paddingX = x;
- this.paddingY = y;
- }
-
- @SyncField({"color"})
- public void setColor(Color color) {
- this.color = color;
- }
-
- @SyncField({"backgroundColor"})
- public void setBackgroundColor(Color color) {
- this.backgroundColor = color;
- }
-
- @SyncField({"borderColor"})
- public void setBorderColor(Color color) {
- this.borderColor = color;
- }
-
- public String getText() {
- return text;
- }
-
- public String getTextBeforeEdit() {
- return textBeforeEdit;
- }
-
- @SyncField({"text","caret","selectionTail"})
- public void setText(String text) {
- //System.out.println("TextNode.setText('" + text + "', " + editing + ")");
- if (hasState(STATE_EDITING))
- return;
-
- // value => no value
- if(this.text != null && text == null) NodeUtil.increasePending(this);
- // no value => value
- if(this.text == null && text != null) NodeUtil.decreasePending(this);
-
- this.text = text != null ? text : "";
- caret = Math.min(caret, this.text.length());
- selectionTail = caret;
-
- resetCaches();
- }
-
- @SyncField({"pending"})
- public void setPending(boolean pending) {
- boolean p = hasState(STATE_PENDING);
- if(!p && pending) NodeUtil.increasePending(this);
- if(p && !pending) NodeUtil.decreasePending(this);
- if(p != pending)
- setState(STATE_PENDING, pending);
- }
-
- @SyncField({"fixedWidth"})
- public void setFixedWidth(float fixedWidth) {
- if (fixedWidth < 0f)
- throw new IllegalArgumentException("negative fixed width");
- this.fixedWidth = fixedWidth;
- invalidateXOffset();
- }
-
- /**
- * Bounds where the text box will be drawn
- * @param bounds
- */
- public void setTargetBounds(Rectangle2D bounds) {
- this.targetBounds = bounds;
- }
-
- final public void synchronizeWidth(float width) {
- if (width >= 0.0f)
- setFixedWidth(width);
- }
-
- final public void synchronizeBorderWidth(float width) {
- if (width >= 0.0f)
- setBorderWidth(width);
- }
-
- public final void synchronizeWrapText(boolean wrap) {
- setState(STATE_WRAP_TEXT, wrap);
- }
-
- public boolean isHovering() {
- return hasState(STATE_HOVER);
- }
-
- @SyncField({"hover"})
- public void setHover(boolean hover) {
- setState(STATE_HOVER, hover);
- repaint();
- }
-
- public Font getFont() {
- return font;
- }
-
- @SyncField({"font"})
- public void setFont(Font font) {
- this.font = font;
- resetCaches();
- }
-
- public double getBorderWidth() {
- return borderWidth;
- }
-
- @SyncField({"borderWidth"})
- public void setBorderWidth(float width) {
- this.borderWidth = width;
- }
-
- public void setBorderWidth(double width) {
- setBorderWidth((float)width);
- }
-
- @SyncField({"horizontalAlignment"})
- public void setHorizontalAlignment(byte horizontalAlignment) {
- if (horizontalAlignment < 0 && horizontalAlignment > 2)
- throw new IllegalArgumentException("Invalid horizontal alignment: " + horizontalAlignment + ", must be between 0 and 2");
- this.horizontalAlignment = horizontalAlignment;
- resetCaches();
- }
-
- final public void synchronizeHorizontalAlignment(byte horizontalAlignment) {
- if (horizontalAlignment >= 0 && horizontalAlignment <= 2)
- setHorizontalAlignment(horizontalAlignment);
- }
-
- public byte getHorizontalAlignment() {
- return horizontalAlignment;
- }
-
- @SyncField({"verticalAlignment"})
- public void setVerticalAlignment(byte verticalAlignment) {
- if (verticalAlignment < 0 && verticalAlignment > 3)
- throw new IllegalArgumentException("Invalid vertical alignment: " + verticalAlignment + ", must be between 0 and 3");
- this.verticalAlignment = verticalAlignment;
- resetCaches();
- }
-
- final public void synchronizeVerticalAlignment(byte verticalAlignment) {
- if (verticalAlignment >= 0 && verticalAlignment <= 3)
- setVerticalAlignment(verticalAlignment);
- }
-
- public byte getVerticalAlignment() {
- return verticalAlignment;
- }
-
- /**
- * Rendering is single-threaded so we can use a static rectangle for
- * calculating the expanded bounds for the node.
- */
- private static transient ThreadLocal tempBounds = new ThreadLocal() {
- @Override
- protected Rectangle2D initialValue() {
- return new Rectangle2D.Double();
- }
- };
-
- /**
- * Rendering is single-threaded so we can use a static AffineTransform to
- * prevent continuous memory allocation during text rendering.
- */
- private static transient ThreadLocal tempAffineTransform = new ThreadLocal() {
- @Override
- protected AffineTransform initialValue() {
- return new AffineTransform();
- }
- };
-
- @Override
- public void render(Graphics2D g) {
- AffineTransform ot = g.getTransform();
- render(g, true);
- g.setTransform(ot);
- }
-
- /**
- * Note: does not return transformation, stroke, color, etc. to their
- * original states
- *
- * @param g
- * @param applyTransform
- */
- public void render(Graphics2D g, boolean applyTransform) {
- if (text == null || font == null || color == null)
- return;
-
- // Cache font metrics if necessary
- if (fontMetrics == null)
- fontMetrics = g.getFontMetrics(font);
-
- Color color = this.color;
- boolean isSelected = NodeUtil.isSelected(this, 1);
- boolean hover = hasState(STATE_HOVER);
- boolean editing = hasState(STATE_EDITING);
-
- if (!isSelected && hover) {
- color = add(color, 120, 120, 120);
- }
-
- if (applyTransform)
- g.transform(transform);
- // Apply separate legacy scale
- if (scale != 1.0)
- g.scale(scale, scale);
-
- // Safety for not rendering when the scale of this text is too small.
- // When the scale is too small it will cause internal exceptions while
- // stroking fonts.
- double currentScale = GeometryUtils.getScale(g.getTransform());
- //System.out.println("currentScale: " + currentScale);
- if (currentScale < 1e-6)
- return;
-
- g.setFont(font);
- //g.translate(x, y);
-
- // Calculate text clip rectangle.
- // This updates textLayout if necessary.
- Rectangle2D r = getTightAlignedBoundsInLocal(tempBounds.get(), fontMetrics.getFontRenderContext());
-
- computeEditingXOffset();
-
- if (fixedWidth > 0f)
- r.setFrame(r.getMinX(), r.getMinY(), fixedWidth, r.getHeight());
- if(targetBounds != null) {
- double w = (targetBounds.getWidth() - paddingX * 2) * scaleRecip;
- double h = (targetBounds.getHeight() - paddingY * 2) * scaleRecip;
- double x = (targetBounds.getMinX() + paddingX) * scaleRecip;
- double y = (targetBounds.getMinY() + paddingY) * scaleRecip;
- r.setRect(x, y, w, h);
- }
-
- Rectangle2D textClip = r.getBounds2D();
-
- expandBoundsUnscaled(r);
-
- // Speed rendering optimization: don't draw text that is too small to
- // read when not editing
- boolean renderText = true;
- if (!editing) {
- Object renderingHint = g.getRenderingHint(RenderingHints.KEY_RENDERING);
- if (renderingHint != RenderingHints.VALUE_RENDER_QUALITY) {
- float textSizeMM = (float) currentScale * GeometryUtils.pointToMillimeter(font.getSize2D());
- if (textSizeMM < 1.5f)
- renderText = false;
- }
- }
-
- Shape clipSave = g.getClip();
- g.setClip(textClip);
-
- // PDF
- PdfWriter writer = (PdfWriter) g.getRenderingHint(G2DPDFRenderingHints.KEY_PDF_WRITER);
- boolean isPdfField = false;
- String fieldName = null;
- if (writer != null) {
- // TODO: replace this hack with proper text field name field
- fieldName = NodeUtil.getNodeName(this);
- isPdfField = ( fieldName.equals("approved_by") ||
- fieldName.equals("checked_by") ||
- fieldName.equals("designer name") ||
- fieldName.equals("created_by") );
- }
-
- Color backgroundColor = hasState(STATE_VALID) ? this.backgroundColor : Color.red;
-
- // RENDER
- if ( !isPdfField ) {
-
- // Fill background if necessary
- if (backgroundColor != null) {
- g.setColor(backgroundColor);
- g.fill(r);
- }
-
- if (editing) {
-
- int selectionMin = Math.min(caret, selectionTail);
- int selectionMax = Math.max(caret, selectionTail);
-
- // Base text
- g.setColor(color);
- renderText(g, xOffset);
-
- Shape clip = g.getClip();
-
- // Selection background & text
- for (Line line : lines) {
- if (line.intersectsRange(selectionMin, selectionMax)) {
- Shape selShape = line.getLogicalHighlightShape(selectionMin, selectionMax);
- line.translate(g, xOffset, 0);
- g.setClip(selShape);
- g.setColor(SELECTION_BACKGROUND_COLOR);
- g.fill(selShape);
- g.setColor(Color.WHITE);
- //line.layout.draw(g, 0, 0);
- g.drawString(line.getText(), 0, 0);
- line.translateInv(g, xOffset, 0);
- }
- }
-
- g.setClip(clip);
-
- // Caret
-
- renderCaret(g);
-
-
- } else {
-
- if (renderText) {
- g.setColor(color);
- renderText(g, 0);
- }
-
- }
- } else {
- // PDF
- // TODO: multiline support
-// try {
- AffineTransform at = g.getTransform();
- float height = writer.getPageSize().getHeight();
- Rectangle2D rr = textClip;
- // Point2D pt1 = new Point2D.Double(rr.getX(), rr.getY()+rr.getHeight());
- // Point2D pt2 = new Point2D.Double(rr.getX()+rr.getWidth(), rr.getY());
- Point2D pt1 = new Point2D.Double(0, 0);
- Point2D pt2 = new Point2D.Double(47.f/*+rr.getWidth()*/, -rr.getHeight());
- pt1 = at.transform(pt1, pt1);
- pt2 = at.transform(pt2, pt2);
- Rectangle rectangle = new Rectangle(
- (float) pt1.getX(),
- height-(float) pt1.getY(),
- (float) pt2.getX(),
- height-(float) pt2.getY());
-
- FontMapper mapper = (FontMapper) g.getRenderingHint(G2DPDFRenderingHints.KEY_PDF_FONTMAPPER);
-// FontMetrics fm = g.getFontMetrics(font);
-
- // TODO Oikea leveys
- // TODO Uniikki nimi
- /*
- PdfFormField field = PdfFormField.createTextField(writer, false, false, 20);
- field.setFieldName(this.getId().toString());
- field.setWidget(rectangle, PdfAnnotation.HIGHLIGHT_NONE);
- field.setQuadding(PdfFormField.Q_RIGHT);
- field.setFieldFlags(PdfFormField.FF_READ_ONLY);
- field.setRotate(90);
- writer.addAnnotation(field);
- */
-
-
- // Signature Field
- /*
- if (text==null) {
- PdfFormField field = PdfFormField.createSignature(writer);
- field.setWidget(rectangle, PdfAnnotation.HIGHLIGHT_NONE);
- field.setFieldName(fieldName);
- field.setQuadding(PdfFormField.Q_LEFT);
- field.setFlags(PdfAnnotation.FLAGS_PRINT);
- //field.setFieldFlags(PdfFormField.FF_READ_ONLY)
- field.setFieldFlags(PdfFormField.FF_EDIT);
- field.setPage();
- field.setMKBackgroundColor( backgroundColor!=null?Color.WHITE:backgroundColor );
- PdfAppearance tp = PdfAppearance.createAppearance(writer, 72, 48);
- tp.rectangle(rectangle);
- tp.stroke();
- field.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, tp);
- writer.addAnnotation(field);
- } else */
- {
- // Text Field
- try {
- TextField textField = new TextField(writer, rectangle, fieldName);
- textField.setFieldName(fieldName);
- textField.setFont(mapper.awtToPdf(font));
- textField.setBorderStyle(0);
- //textField.setAlignment(Element.ALIGN_LEFT);
- textField.setAlignment(Element.ALIGN_BOTTOM);
- textField.setRotation(90);
- textField.setOptions(TextField.EDIT|TextField.DO_NOT_SPELL_CHECK);
- if ( text!=null ) {
- textField.setText(text);
- }
- if ( color!=null ) {
- textField.setTextColor(color);
- }
- textField.setBackgroundColor( backgroundColor!=null?Color.WHITE:backgroundColor );
- PdfFormField field = textField.getTextField();
- writer.addAnnotation(field);
- } catch (IOException e) {
- e.printStackTrace();
- } catch (DocumentException e) {
- e.printStackTrace();
- }
- }
-
-// } catch (IOException e) {
-// // TODO Auto-generated catch block
-// e.printStackTrace();
-// } catch (DocumentException e) {
-// // TODO Auto-generated catch block
-// e.printStackTrace();
-// }
- }
- /// PDF
-
- g.setClip(clipSave);
-
- if (borderWidth > 0f && borderColor != null) {
- g.setColor(borderColor);
- g.setStroke(new BasicStroke((float) (scale*borderWidth)));
- g.draw(r);
- }
-
- //System.out.println("bw: " + borderWidth);
- if (isSelected && showsSelection()) {
- Composite oc = g.getComposite();
- g.setComposite(SrcOver_50);
- g.setColor(Color.RED);
- float bw = borderWidth;
- double s = currentScale;
- if (bw <= 0f) {
- bw = (float) (1f / s);
- } else {
- bw *= 5f * scale;
- }
- g.setStroke(new BasicStroke(bw));
- g.draw(r);
- //g.draw(GeometryUtils.expandRectangle(r, 1.0));
-
- g.setComposite(oc);
- }
-
- g.scale(scaleRecip, scaleRecip);
- g.setStroke(RESET_STROKE);
-
- lastBounds = getScaledOffsetBounds(r, lastBounds, scale, 0, 0);
-// g.setColor(Color.MAGENTA); // DEBUG
-// g.draw(lastBounds); // DEBUG
-// g.setColor(Color.ORANGE); // DEBUG
-// g.draw(getBoundsInLocal()); // DEBUG
-
- renderSelectedHover(g, isSelected, hover);
- }
-
- private void renderCaret(Graphics2D g) {
- g.setColor(Color.BLACK);
- for (int i = 0; i < lines.length; i++) {
- Line line = lines[i];
- // prevent rendering caret twice on line changes
- if (line.containsOffset(caret) && // line contains caret
- (caret != line.endOffset || //caret is not in the end of the line
- i == lines.length-1 || //caret is end of the last line
- lines[i+1].startOffset != line.endOffset)) { // beginning of the next line does not start withe the same index as current line
- Shape[] caretShape = line.getCaretShapes(caret);
- line.translate(g, xOffset, 0);
- g.draw(caretShape[0]);
- if (caretShape[1] != null)
- g.draw(caretShape[1]);
- line.translateInv(g, xOffset, 0);
- }
- }
- }
- private void renderText(Graphics2D g, float xOffset) {
- //g.draw(tightBoundsCache); // DEBUG
- for (Line line : lines) {
- //line.layout.draw(g, line.alignedPosX + xOffset, line.alignedPosY);
- g.drawString(line.getText(), line.alignedPosX + xOffset, line.alignedPosY);
- //g.draw(line.abbox); // DEBUG
- }
- }
-
- protected Rectangle2D getScaledOffsetBounds(Rectangle2D originalBounds, Rectangle2D dst, double scale, double offsetX, double offsetY) {
- AffineTransform btr = tempAffineTransform.get();
- btr.setToTranslation(offsetX*scale, offsetY*scale);
- btr.scale(scale, scale);
- if (btr.isIdentity()) {
- dst.setFrame(originalBounds);
- } else {
- dst.setFrame(btr.createTransformedShape(originalBounds).getBounds2D());
- }
- return dst;
- }
-
- /**
- * Invoked when TextNode is selected and a mouse is hovering on top of it. Can be overridden to add custom rendering.
- *
- * @param g
- */
- protected void renderSelectedHover(Graphics2D g, boolean isSelected, boolean isHovering) {
- }
-
- /**
- * Replaces the current selection with the content or inserts
- * the content at caret. After the insertion the caret
- * will be at the end of inserted text and selection will
- * be empty.
- * @param content
- */
- @SyncField({"text","caret","selectionTail"})
- protected void insert(String content) {
- content = editContentFilter != null ? editContentFilter.filter(this, content) : content;
-
- int selectionMin = Math.min(caret, selectionTail);
- int selectionMax = Math.max(caret, selectionTail);
-
- String begin = text.substring(0, selectionMin);
- String end = text.substring(selectionMax);
- text = begin + content + end;
- caret = selectionMin + content.length();
- selectionTail = caret;
-
- assert (caret <= text.length());
- //System.out.println(text + " " + caret );
-
- if(validator != null) {
- String error = validator.apply(text);
- setState(STATE_VALID, (error == null));
- }
-
- resetCaches();
- }
-
- @ServerSide
- protected void fireTextChanged() {
- if(textListener != null)
- textListener.textChanged();
- repaint();
- }
-
- @ServerSide
- protected void fireTextEditingStarted() {
- if(textListener != null)
- textListener.textEditingStarted();
- }
-
- @ServerSide
- protected void fireTextEditingCancelled() {
- setState(STATE_VALID);
-
- if (deactivateEdit()) {
- if (textListener != null)
- textListener.textEditingCancelled();
-
- setEditMode(false, false);
-
- if (textBeforeEdit != null)
- setText(textBeforeEdit);
-
- repaint();
- }
- }
-
- @ServerSide
- public void fireTextEditingEnded() {
- if (!hasState(STATE_VALID)) {
- fireTextEditingCancelled();
- setState(STATE_VALID);
- return;
- }
-
- if (deactivateEdit()) {
- if (textListener != null)
- textListener.textEditingEnded();
-
- setEditMode(false, false);
- repaint();
- }
- }
-
- public void setTextListener(ITextListener listener) {
- this.textListener = listener;
- }
-
- public void setValidator(Function1 validator) {
- this.validator = validator;
- }
-
- public void setContentFilter(ITextContentFilter filter) {
- this.editContentFilter = filter;
- }
-
- public void setRVI(RVI rvi) {
- this.dataRVI = rvi;
- }
-
- private void invalidateXOffset() {
- setState(STATE_X_OFFSET_IS_DIRTY);
- }
-
- private void computeEditingXOffset() {
-
- if(lines == null) return;
- if(!hasState(STATE_X_OFFSET_IS_DIRTY)) return;
- if(fixedWidth > 0f) {
-
- // TODO: implement
-// float[] coords = textLayout.getCaretInfo(TextHitInfo.afterOffset(caret));
-// if(coords != null) {
-// if(coords[0] > (fixedWidth*MAX_CARET_POSITION)) xOffset = (float)((fixedWidth*MAX_CARET_POSITION)-coords[0]);
-// else xOffset = 0;
-// }
-
- } else {
-
- xOffset = 0;
-
- }
-
- clearState(STATE_X_OFFSET_IS_DIRTY);
-
- }
-
- @SyncField({"caret","selectionTail"})
- protected void moveCaret(int move, boolean select) {
- // prevent setting caret into line separator.
- if (move > 0) {
- while (text.length()> caret+move && getLineSeparator().indexOf(text.charAt(caret+move)) > 0)
- move++;
- } else if (move < 0) {
- while (caret+move >= 0 && text.length()> caret+move && getLineSeparator().indexOf(text.charAt(caret+move)) > 0)
- move--;
- }
- caret += move;
- if(caret < 0)
- caret = 0;
- if (caret > text.length())
- caret = text.length();
- if(!select)
- selectionTail = caret;
- }
-
- private Line findCaretLine() {
- // Find the line where caret is. Starting from first line.
- for(int i = 0; i < lines.length; i++) {
- Line line = lines[i];
- if(caret <= line.endOffset) {
- return line;
- }
- }
- return null;
- }
-
- /**
- * Moves caret to next not letter or digit
- * @param shiftDown
- */
- private void moveCaretCtrlLeft(boolean shiftDown) {
- Line line = findCaretLine();
- if(line != null) {
- int i;
- for(i = caret-1; i > line.startOffset; i--) {
- char c = line.document.charAt(i);
- if(!Character.isLetterOrDigit(c)) {
- break;
- }
- }
- moveCaret(i - caret, shiftDown);
- }
- }
-
- /**
- * Moves caret to previous non letter or digit
- * @param shiftDown
- */
- private void moveCaretCtrlRight(boolean shiftDown) {
- Line line = findCaretLine();
- if(line != null) {
- int i;
- for(i = caret + 1; i < line.endOffset; i++) {
- char c = line.document.charAt(i);
- if(!Character.isLetterOrDigit(c)) {
- break;
- }
- }
- moveCaret(i - caret, shiftDown);
- }
- }
-
- /**
- * Moves caret to line end
- * @param shiftDown
- */
- private void moveCaretEnd(boolean shiftDown) {
- Line line = findCaretLine();
- if(line != null)
- // Move caret to the end of the line
- moveCaret(line.endOffset - caret, shiftDown);
- }
-
- /**
- * Moves caret to beginning of a line
- * @param shiftDown
- */
- private void moveCaretHome(boolean shiftDown) {
- Line line = findCaretLine();
- if(line != null)
- // Move caret to the beginning of the line
- moveCaret(line.startOffset - caret, shiftDown);
- }
-
- /**
- * Moves caret one row up and tries to maintain the location
- * @param shiftDown
- */
- private void moveCaretRowUp(boolean shiftDown) {
- // Find the line where caret is. Starting from first line.
- for(int i = 0; i < lines.length; i++) {
- Line line = lines[i];
- if(caret <= line.endOffset) {
- // caret is in this line
- if(i == 0) {
- // Already on top line
- // Select the beginning of the line
- moveCaret(-caret, shiftDown);
- } else {
- Line prevLine = lines[i-1];
- int prevLength = prevLine.endOffset - prevLine.startOffset;
- int posInCurRow = caret - line.startOffset;
- if(prevLength < posInCurRow)
- posInCurRow = prevLength;
-
- int newPos = prevLine.startOffset + posInCurRow;
- moveCaret(newPos - caret, shiftDown);
- }
- break;
- }
- }
- }
-
- /**
- * Moves caret one row down and tries to maintain the location
- * @param shiftDown
- */
- private void moveCaretRowDown(boolean shiftDown) {
- // Find the line where caret is. Starting from last line.
- for(int i = lines.length - 1; i >= 0; i--) {
- Line line = lines[i];
- if(caret >= line.startOffset) {
- // caret is in this line
- if(i == lines.length - 1) {
- // Already on bottom line, cannot go below
- // Select to the end of the line
- moveCaret(line.endOffset - caret, shiftDown);
- } else {
- Line prevLine = lines[i+1]; // Previous line
-
- // Find new caret position.
- // Either it is in the same index as before, or if the row
- // is not long enough, select the end of the row.
- int prevLength = prevLine.endOffset - prevLine.startOffset;
- int posInCurRow = caret - line.startOffset;
- if(prevLength < posInCurRow)
- posInCurRow = prevLength;
- int newPos = prevLine.startOffset + posInCurRow;
- moveCaret(newPos - caret, shiftDown);
- }
- break;
- }
- }
- }
-
- @SyncField({"caret","selectionTail"})
- protected void setCaret(int pos, boolean select) {
- caret = pos;
- if (caret < 0)
- caret = 0;
- if (caret > text.length())
- caret = text.length();
- if (!select)
- selectionTail = caret;
- }
-
- protected void setCaret(Point2D point) {
- setCaret(point, false);
- }
-
- @SyncField({"caret","selectionTail"})
- protected void setCaret(Point2D point, boolean select) {
- double lineY = 0;
- for(int i = 0; i < lines.length; i++) {
- Line line = lines[i];
- Rectangle2D bounds = line.abbox;
- // Add heights of bboxes for determining the correct line
- if(i == 0)
- lineY = bounds.getY();
- else
- lineY += lines[i-1].abbox.getHeight();
-
- double lineHeight = bounds.getHeight();
- double hitY = point.getY() / scale;
- if(hitY >= lineY && hitY <= lineY + lineHeight) {
- // Hit is in this line
- float x = (float)(point.getX() / scale) - (float)line.abbox.getX();
- float y = (float)(point.getY() / scale - lineHeight * i) ;
- TextHitInfo info = line.layout.hitTestChar(x, y);
- caret = line.startOffset + info.getInsertionIndex();
- if (caret > line.endOffset)
- caret = line.endOffset;
- if (!select)
- selectionTail = caret;
- repaint();
- break;
- }
- }
- invalidateXOffset();
- assert (caret <= text.length());
- }
-
- @Override
- public Rectangle2D getBoundsInLocal() {
- if(targetBounds != null)
- return targetBounds;
- else
- return expandBounds( getTightAlignedBoundsInLocal(null) );
- }
-
- protected Rectangle2D expandBounds(Rectangle2D r) {
- r.setRect(r.getX() * scale - paddingX, r.getY() * scale -paddingY, r.getWidth()*scale + paddingX + paddingX, r.getHeight()*scale + paddingY + paddingY);
- //System.out.println(" => " + r);
- return r;
- }
-
- protected Rectangle2D expandBoundsUnscaled(Rectangle2D r) {
- r.setRect(r.getX() - scaleRecip*paddingX, r.getY() -scaleRecip*paddingY, r.getWidth() + scaleRecip*paddingX + scaleRecip*paddingX, r.getHeight() + scaleRecip*paddingY + scaleRecip*paddingY);
- //System.out.println(" => " + r);
- return r;
- }
-
- protected Rectangle2D expandBounds(Rectangle2D r, double amount) {
- r.setRect(r.getX() - amount, r.getY() - amount, r.getWidth() + 2*amount, r.getHeight() + 2*amount);
- return r;
- }
-
- protected Rectangle2D expandBounds(Rectangle2D r, double left, double top, double right, double bottom) {
- r.setRect(r.getX() - left, r.getY() - top, r.getWidth() + left + right, r.getHeight() + top + bottom);
- return r;
- }
-
- private void resetCaches() {
- this.tightBoundsCache = null;
- this.lines = null;
- this.fontMetrics = null;
- }
-
- /**
- * Returns the tight bounds around the current text using the current font
- * in the specified rectangle. If the specified rectangle is
- * null a new Rectangle2D.Double instance will be created.
- *
- * @param r
- * @return
- */
- protected Rectangle2D getTightAlignedBoundsInLocal(Rectangle2D r) {
- return getTightAlignedBoundsInLocal(r, FRC);
- }
-
- /**
- * Returns the tight bounds around the current text using the current font
- * in the specified rectangle. If the specified rectangle is
- * null a new Rectangle2D.Double instance will be created.
- *
- * @param r
- * the rectangle where the result of the method is placed or
- * null to allocate new rectangle
- * @param frc current font render context
- * @return r or new Rectangle2D.Double instance containing the requested
- * text bounds
- */
- protected Rectangle2D getTightAlignedBoundsInLocal(Rectangle2D r, FontRenderContext frc) {
- if (r == null)
- r = new Rectangle2D.Double();
-
- if (tightBoundsCache != null) {
- r.setFrame(tightBoundsCache);
- return r;
- }
-
- String txt = text;
- if (font == null || txt == null) {
- r.setFrame(0, 0, 2, 1);
- return r;
- }
-
- //System.out.println("TextNode.getTightAlignedBoundsInLocal('" + txt + "')");
-
- // Parse & layout (unaligned)
- Line[] lines = null;
-
- if(hasState(STATE_WRAP_TEXT)) {
- float width = fixedWidth;
- if(width <= 0 && targetBounds != null)
- width = (float) (((targetBounds.getWidth() - 2*paddingX)) * scaleRecip);
- if(width > 0)
- lines = wrapLines(txt, font, width, frc);
- }
-
- if(lines == null)
- lines = parseLines(txt);
- this.lines = layoutLines(lines, frc);
-
- // Calculate tight bounds based on unaligned layout
- //System.out.println("Unaligned");
- tightBoundsCache = calculateBounds(lines, Line.BBOX, null);
- //System.out.println(" => " + tightBoundsCache);
-
- this.lines = layoutLinesX(lines, tightBoundsCache);
- // Align each line to the calculated tight bounds
- this.lines = alignLines(this.lines, tightBoundsCache, horizontalAlignment, verticalAlignment);
-
- // Calculate aligned bounds
- //System.out.println("Aligned");
- calculateBounds(lines, Line.ABBOX, tightBoundsCache);
-
- r.setFrame(tightBoundsCache);
- //System.out.println(" => " + tightBoundsCache);
-
- return r;
- }
-
- /**
- * @param lines
- * @param bbox
- * the bounding box of all the whole laid out text (only bbox
- * size is used)
- * @return
- */
- private Line[] layoutLinesX(Line[] lines, Rectangle2D bbox) {
- int lineCount = lines.length;
- for (int l = 0; l < lineCount; ++l) {
- Line line = lines[l];
- // Compute pen x position. If the paragraph is right-to-left we
- // will align the TextLayouts to the right edge of the panel.
- // Note: drawPosX is always where the LEFT of the text is placed.
- // NOTE: This changes based on horizontal alignment
- line.drawPosX = (float) (line.layout.isLeftToRight() ? 0f
- : tightBoundsCache.getWidth() - line.layout.getAdvance());
- }
- return lines;
- }
-
- /**
- * @param lines
- * @param boundsProvider
- * @param result
- * @return
- */
- private static Rectangle2D calculateBounds(Line[] lines, BoundsProcedure boundsProvider, Rectangle2D result) {
- if (result == null)
- result = new Rectangle2D.Double();
- else
- result.setFrame(0, 0, 0, 0);
-
- for (Line line : lines) {
- //System.out.println("line: " + line);
- Rectangle2D bbox = boundsProvider.getBounds(line);
- if (result.isEmpty())
- result.setFrame(bbox);
- else
- Rectangle2D.union(result, bbox, result);
- //System.out.println("bounds: " + result);
- }
- //System.out.println("final bounds: " + result);
-
- return result;
- }
-
- /**
- * @param lines
- * @param bbox
- * @param hAlign
- * @param vAlign
- * @return aligned lines
- */
- private Line[] alignLines(Line[] lines, Rectangle2D bbox, byte hAlign, byte vAlign) {
-// System.out.println("horizontal align: " + Alignment.values()[hAlign]);
-// System.out.println("vertical align : " + Alignment.values()[vAlign]);
-// System.out.println("bbox: " + bbox);
- double xbase = 0;
-// double ybase = 0;
- if(targetBounds != null) {
- /* In normal cases the bounding box moves when
- * typing. If target bounds are set, the text
- * is fitted into the box.
- */
- switch (hAlign) {
- case 1: // Trailing
- xbase = (targetBounds.getMaxX()-paddingX) * scaleRecip;
- break;
- case 2: // Center
- xbase = targetBounds.getCenterX() * scaleRecip;
- break;
- default: // Leading / Baseline
- // Do nothing
- break;
- }
- }
-
-
- for (Line line : lines) {
- double xoffset = 0;
- double yoffset = 0;
-
- switch (hAlign) {
- case 1: // Trailing
- xoffset = xbase - line.bbox.getWidth();
- break;
- case 2: // Center
- xoffset = xbase - line.bbox.getWidth() / 2;
- break;
- default: // Leading / Baseline
- // Do nothing
- break;
- }
-
- switch (vAlign) {
- case 0:
- yoffset = line.layout.getAscent();
- break;
- case 1:
- yoffset = -bbox.getHeight() + line.layout.getAscent();
- break;
- case 2:
- yoffset = -bbox.getHeight() / 2 + line.layout.getAscent();
- break;
- }
-
- line.alignOffset(xoffset, yoffset);
- }
- return lines;
- }
-
- /**
- * @param lines
- * @param frc
- * @return
- */
- private Line[] layoutLines(Line[] lines, FontRenderContext frc) {
- TextLayout emptyRowLayout = null;
- int lineCount = lines.length;
- float y = 0;
- for (int l = 0; l < lineCount; ++l) {
- Line line = lines[l];
- String lineText = line.getText();
- // " " because TextLayout requires non-empty text and
- // We don't want zero size for the text.
- if (lineText.isEmpty()) {
- lineText = " ";
- if (emptyRowLayout == null)
- emptyRowLayout = new TextLayout(lineText, font, frc);
- line.layout = emptyRowLayout;
- } else {
- line.layout = new TextLayout(lineText, font, frc);
- }
-
- //y += line.layout.getAscent();
- line.drawPosY = y;
- y += line.layout.getDescent() + line.layout.getLeading() + line.layout.getAscent();
-
- Rectangle2D bbox = line.layout.getLogicalHighlightShape(0, lineText.length()).getBounds2D();
- bbox.setFrame(bbox.getX(), bbox.getY() + line.drawPosY, bbox.getWidth(), bbox.getHeight());
- line.bbox = bbox;
- }
-
- return lines;
- }
-
- /**
- * Splits the specified string into {@link Line} structures, one for each
- * line in the input text. The returned lines are only partially defined,
- * waiting to be laid out (see
- * {@link #layoutLines(Line[], FontRenderContext)})
- *
- * @param txt
- * input text
- * @return parsed text lines as {@link Line} structures
- * @see #layoutLines(Line[], FontRenderContext)
- */
- private static Line[] parseLines(String txt) {
- int len = txt.length();
- if (len == 0)
- return new Line[] { new Line("", 0, 0) };
-
- TIntArrayList lfpos = new TIntArrayList();
- int pos = 0;
- int lineCount = 1;
- for (;pos < len; ++lineCount) {
- int nextlf = txt.indexOf('\n', pos);
- lfpos.add(nextlf != -1 ? nextlf : len);
- if (nextlf == -1)
- break;
- pos = nextlf + 1;
- }
- Line[] lines = new Line[lineCount];
- pos = 0;
- for (int i = 0; i < lineCount-1; ++i) {
- int lf = lfpos.getQuick(i);
- int cr = (lf > 0) && (txt.charAt(lf - 1) == '\r') ? lf - 1 : lf;
- lines[i] = new Line(txt, pos, cr);
- pos = lf + 1;
- }
- lines[lineCount - 1] = new Line(txt, pos, len);
-
- return lines;
- }
-
-
- private static Line[] wrapLines(String txt, Font font, float fixedWidth, FontRenderContext frc) {
- if(txt == null || txt.isEmpty())
- txt = " ";
-
- ArrayList lines =
- new ArrayList();
-
- Hashtable map = new Hashtable();
- map.put(TextAttribute.FONT, font);
- AttributedString attributedText = new AttributedString(txt.isEmpty() ? "__ERROR__" : txt, map);
-
- AttributedCharacterIterator paragraph = attributedText.getIterator();
- int paragraphStart = paragraph.getBeginIndex();
- int paragraphEnd = paragraph.getEndIndex();
- LineBreakMeasurer lineMeasurer = new LineBreakMeasurer(paragraph, frc);
-
- float breakWidth = fixedWidth;
-
- // Force text to be vertical, by setting break width to 1, if the text area is narrower than "GGGG"
-
- // Set position to the index of the first character in the paragraph.
- lineMeasurer.setPosition(paragraphStart);
-
- // Get lines until the entire paragraph has been displayed.
- int next, limit, charat, position = 0;
-
- while ((position = lineMeasurer.getPosition()) < paragraphEnd) {
-
- // Find possible line break and set it as a limit to the next layout
- next = lineMeasurer.nextOffset(breakWidth);
- limit = next;
- charat = txt.indexOf(System.getProperty("line.separator"),position+1);
- if(charat < next && charat != -1){
- limit = charat;
- }
-
- lineMeasurer.nextLayout(breakWidth, limit, false);
- // Add Line
- lines.add(new Line(txt, position, limit));
- }
-
- return lines.toArray(new Line[lines.size()]);
- }
-
-
- public String getClipboardContent() {
- Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
- Transferable clipData = clipboard.getContents(this);
- try {
- return (String) (clipData.getTransferData(DataFlavor.stringFlavor));
- } catch (Exception ee) {
- return null;
- }
- }
-
- public void setClipboardContent(String content) {
- Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
- StringSelection data = new StringSelection(content);
- clipboard.setContents(data, data);
- }
-
- @Override
- public String toString() {
- return super.toString() + " [text=" + text + ", font=" + font + ", color=" + color + "]";
- }
-
- @Override
- protected boolean handleCommand(CommandEvent e) {
- if (!hasState(STATE_EDITING))
- return false;
-
- if (Commands.SELECT_ALL.equals(e.command)) {
- selectAll();
- return true;
- }
- return false;
- }
-
- @Override
- protected boolean keyPressed(KeyPressedEvent event) {
- if (!hasState(STATE_EDITING))
- return false;
-
- char c = event.character;
- boolean ctrl = event.isControlDown();
- boolean alt = event.isAltDown();
-
-// System.out.println("Key pressed '" + (event.character == 0 ? "\\0" : "" + c) + "' " + event.keyCode + " - " + Integer.toBinaryString(event.stateMask));
-// System.out.println("ctrl: " + ctrl);
-// System.out.println("alt: " + alt);
- if (ctrl && !alt) {
- switch (event.keyCode) {
- case KeyEvent.VK_C:
- if (caret != selectionTail) {
- int selectionMin = Math.min(caret, selectionTail);
- int selectionMax = Math.max(caret, selectionTail);
- setClipboardContent(text.substring(selectionMin, selectionMax));
- }
- break;
-
- case KeyEvent.VK_X:
- if (caret != selectionTail) {
- int selectionMin = Math.min(caret, selectionTail);
- int selectionMax = Math.max(caret, selectionTail);
- setClipboardContent(text.substring(selectionMin, selectionMax));
- insert("");
- }
- break;
-
- case KeyEvent.VK_RIGHT:
- if (c == '\0') {
- // '\'' has the same keycode as VK_RIGHT but when right
- // arrow is pressed, event character is \0.
- moveCaretCtrlRight(event.isShiftDown());
- }
- break;
-
- case KeyEvent.VK_LEFT:
- moveCaretCtrlLeft(event.isShiftDown());
- break;
-
- case KeyEvent.VK_V:
- {
- String content = getClipboardContent();
- if(content != null)
- insert(content);
- break;
- }
-
- // Replaced by #handleCommand
-// case KeyEvent.VK_A:
-// {
-// selectAll();
-// return true;
-// }
-
- case KeyEvent.VK_ENTER:
- {
- insert(getLineSeparator());
- }
-
- break;
-
- default:
- return false;
- }
- } else if (!ctrl && alt) {
- return false;
- } else {
- switch (event.keyCode) {
- case KeyEvent.VK_LEFT:
- moveCaret(-1, event.isShiftDown());
- break;
- case KeyEvent.VK_RIGHT:
- if (c == '\0') {
- // '\'' has the same keycode as VK_RIGHT but when right
- // arrow is pressed, event character is \0.
- moveCaret(1, event.isShiftDown());
- break;
- }
- // Intentional fallthrough to default case
- case KeyEvent.VK_UP:
- moveCaretRowUp(event.isShiftDown());
- break;
- case KeyEvent.VK_DOWN:
- moveCaretRowDown(event.isShiftDown());
- break;
- case KeyEvent.VK_HOME:
- moveCaretHome(event.isShiftDown());
- break;
- case KeyEvent.VK_END:
- moveCaretEnd(event.isShiftDown());
- break;
-
- case KeyEvent.VK_ENTER:
- fireTextEditingEnded();
- return true;
-
- case KeyEvent.VK_ESCAPE:
- text = textBeforeEdit;
- resetCaches();
- clearState(STATE_EDITING);
- fireTextEditingCancelled();
- return true;
-
- case KeyEvent.VK_BACK_SPACE:
- if(caret == selectionTail && caret > 0) {
- // line separator may use multiple characters, we want to remove that with one command
- String lineSep = getLineSeparator();
- int index = lineSep.indexOf(text.charAt(caret-1));
- if (index == -1)
- --caret;
- else {
- caret-= (index+1);
- selectionTail+= (lineSep.length()-index-1);
- }
- }
- insert("");
- break;
-
- case KeyEvent.VK_DELETE:
- if(caret == selectionTail && caret < text.length()) {
- String lineSep = getLineSeparator();
- int index = lineSep.indexOf(text.charAt(caret));
- if (index==-1)
- ++caret;
- else {
- selectionTail-= index;
- caret+= (lineSep.length()-index);
- }
- }
- insert("");
- break;
-
-
-
- default:
- if (c == 65535 || Character.getType(c) == Character.CONTROL) {
- return false;
- }
- //System.out.println("Char " + c + " " + Character.getType(c) + " " + text);
- insert(new String(new char[] {c}));
- }
- }
-
- // FIXME This is called even if just caret was moved.
- // This is currently necessary for repaints.
- fireTextChanged();
- invalidateXOffset();
- return true;
- }
-
- protected String getLineSeparator() {
- return System.getProperty("line.separator");
- }
-
- protected void selectAll() {
- setCaret(0, false);
- setCaret(text.length(), true);
- }
-
- protected transient int hoverClick = 0;
-
- @Override
- protected boolean mouseClicked(MouseClickEvent event) {
- if (event.button != MouseClickEvent.LEFT_BUTTON)
- return false;
-
- if (hasState(STATE_HOVER)) {
- hoverClick++;
- if (hoverClick < 2)
- return false;
- ICanvasContext ctx = DiagramNodeUtil.getCanvasContext(this);
- // FIXME: needed only because eventdelegator registrations are done before adding node to scene graph.
- if (ctx == null)
- return false;
- IElement e = DiagramNodeUtil.getElement(ctx, this);
- if (!hasState(STATE_EDITING)) {
- if (Boolean.TRUE.equals(setEditMode(true))) {
- editActivation = activateEdit(0, e, ctx);
- repaint();
- }
- }
- } else {
- hoverClick = 0;
- if (hasState(STATE_EDITING)) {
- fireTextEditingEnded();
- }
- }
- return false;
- }
-
- protected boolean mouseDoubleClicked(MouseDoubleClickedEvent event) {
- if (event.button != MouseClickEvent.LEFT_BUTTON)
- return false;
-
- if (hitTest(event, 0)) {
- ICanvasContext ctx = DiagramNodeUtil.getCanvasContext(this);
- // FIXME: needed only because eventdelegator registrations are done before adding node to scene graph.
- if (ctx == null)
- return false;
-
- if (text != null) {
- // Select the whole text.
- setCaret(0, false);
- setCaret(text.length(), true);
- repaint();
- }
- }
- return false;
- }
-
-
- @Override
- protected boolean mouseButtonPressed(MouseButtonPressedEvent event) {
- if (!hasState(STATE_EDITING))
- return false;
-
- Point2D local = controlToLocal( event.controlPosition );
- // FIXME: once the event coordinate systems are cleared up, remove this workaround
- local = parentToLocal(local);
- if (hasState(STATE_HOVER) && this.containsLocal(local)) {
- setCaret(local, event.isShiftDown());
- }
- return false;
- }
-
- @Override
- protected boolean mouseMoved(MouseMovedEvent event) {
- boolean hit = hitTest(event, 3.0);
- if (hit != hasState(STATE_HOVER)) {
- setState(STATE_HOVER, hit);
- repaint();
- }
- return false;
- }
-
- private boolean isControlDown(MouseEvent e) {
- return e.isControlDown() || lastMouseEvent!=null?lastMouseEvent.isControlDown():false;
- }
-
- protected boolean isShiftDown(MouseEvent e) {
- return e.isShiftDown() || lastMouseEvent!=null?lastMouseEvent.isShiftDown():false;
- }
-
-// private boolean isAltDown(MouseEvent e) {
-// return e.isAltDown() || lastMouseEvent!=null?lastMouseEvent.isAltDown():false;
-// }
-
- @Override
- protected boolean mouseDragged(MouseDragBegin e) {
- if (isHovering()
- && (isControlDown(e) || isShiftDown(e))
- && e.context instanceof NodeEventHandler
- && dataRVI != null)
- {
- e.transferable = new LocalObjectTransferable(dataRVI);
- }
- return false;
- }
-
- protected boolean hitTest(MouseEvent event, double tolerance) {
- Rectangle2D bounds = getBoundsInternal();
- if (bounds == null)
- return false;
- Point2D localPos = NodeUtil.worldToLocal(this, event.controlPosition, new Point2D.Double());
- double x = localPos.getX();
- double y = localPos.getY();
- boolean hit = bounds.contains(x, y);
- return hit;
- }
-
- public Rectangle2D getBoundsInternal() {
- Rectangle2D local = lastBounds;
- if (local == null)
- return null;
- // TODO: potential spot for CPU/memory allocation optimization
- // by using more specialized implementations
- if (transform.isIdentity())
- return local;
- return transform.createTransformedShape(local).getBounds2D();
- }
-
- protected Color add(Color c, int r, int g, int b) {
- int nr = Math.min(255, c.getRed() + r);
- int ng = Math.min(255, c.getGreen() + g);
- int nb = Math.min(255, c.getBlue() + b);
- return new Color(nr, ng, nb);
- }
-
- public TextEditActivation activateEdit(int mouseId, IElement e, ICanvasContext ctx) {
- EditDataNode data = EditDataNode.getNode(this);
- deactivateEdit(data, null);
- TextEditActivation result = new TextEditActivation(mouseId, e, ctx);
- data.setTextEditActivation(result);
- return result;
- }
-
- /**
- * @return true if this node is or was previously in editing
- * state
- */
- protected boolean deactivateEdit() {
- boolean result = deactivateEdit( editActivation );
- result |= editActivation != null;
- editActivation = null;
- return result;
- }
-
- protected boolean deactivateEdit(TextEditActivation activation) {
- return deactivateEdit( EditDataNode.getNode(this), activation );
- }
-
- protected boolean deactivateEdit(EditDataNode data, TextEditActivation activation) {
- TextEditActivation previous = data.getTextEditActivation();
- if (previous != null && (previous == activation || activation == null)) {
- previous.release();
- data.setTextEditActivation(null);
- return true;
- }
- return false;
- }
-
- @Override
- public int getEventMask() {
- return EventTypes.KeyPressedMask | EventTypes.MouseMovedMask | EventTypes.MouseButtonPressedMask
- | EventTypes.MouseClickMask | EventTypes.CommandMask;
- }
-
- private MouseEvent lastMouseEvent = null;
-
- @Override
- public boolean handleEvent(Event e) {
- if(e instanceof MouseEvent && !(e instanceof MouseDragBegin)) lastMouseEvent = (MouseEvent)e;
- return super.handleEvent(e);
- }
-
- @Override
- public Function1 getPropertyFunction(String propertyName) {
- return ScenegraphUtils.getMethodPropertyFunction(AWTThread.getThreadAccess(), this, propertyName);
- }
-
- @Override
- public T getProperty(String propertyName) {
- return null;
- }
-
- @Override
- public void setPropertyCallback(Function2 callback) {
- }
-
- public void synchronizeText(String text) {
- setText(text);
- }
-
- public void synchronizeColor(RGB.Integer color) {
- this.color = Colors.awt(color);
- }
-
- public void synchronizeFont(org.simantics.datatypes.literal.Font font) {
- setFont(Fonts.awt(font));
- }
-
- public void synchronizeTransform(double[] data) {
- this.setTransform(new AffineTransform(data));
- }
-
- public static void main(String[] args) {
- Line[] lines = parseLines("\n \n FOO \n\nBAR\n\n\n BAZ\n\n");
- System.out.println(Arrays.toString(lines));
- System.out.println(GeometryUtils.pointToMillimeter(1));
- System.out.println(GeometryUtils.pointToMillimeter(12));
- System.out.println(GeometryUtils.pointToMillimeter(72));
- }
-
- ///////////////////////////////////////////////////////////////////////////
- // LEGACY CODE NEEDED BY INHERITED CLASSES FOR NOW
- ///////////////////////////////////////////////////////////////////////////
-
- protected double getHorizontalAlignOffset(Rectangle2D r) {
- switch (horizontalAlignment) {
- case 0: return 0; // Leading
- case 1: return -r.getWidth(); // Trailing
- case 2: return -r.getCenterX(); // Center
- default: return 0;
- }
- }
-
- protected double getVerticalAlignOffset() {
- FontMetrics fm = fontMetrics;
- if (fm == null)
- return 0;
- switch (verticalAlignment) {
- case 0: return fm.getMaxAscent(); // Leading=top=maxascent
- case 1: return -fm.getMaxDescent(); // Trailing=bottom=maxdescent
- case 2: return fm.getMaxAscent() / 2; // Center=maxascent / 2
- case 3: return 0;
- default: return 0;
- }
- }
-
- ///////////////////////////////////////////////////////////////////////////
- // LEGACY CODE ENDS
- ///////////////////////////////////////////////////////////////////////////
-
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.diagram.elements;
+
+import java.awt.AlphaComposite;
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Composite;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.Shape;
+import java.awt.Toolkit;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.StringSelection;
+import java.awt.datatransfer.Transferable;
+import java.awt.event.KeyEvent;
+import java.awt.font.FontRenderContext;
+import java.awt.font.LineBreakMeasurer;
+import java.awt.font.TextAttribute;
+import java.awt.font.TextHitInfo;
+import java.awt.font.TextLayout;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.text.AttributedCharacterIterator;
+import java.text.AttributedString;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Hashtable;
+import java.util.List;
+
+import org.simantics.datatypes.literal.RGB;
+import org.simantics.db.layer0.variable.RVI;
+import org.simantics.diagram.elements.Line.BoundsProcedure;
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.element.IElement;
+import org.simantics.scenegraph.IDynamicSelectionPainterNode;
+import org.simantics.scenegraph.LoaderNode;
+import org.simantics.scenegraph.ScenegraphUtils;
+import org.simantics.scenegraph.g2d.G2DNode;
+import org.simantics.scenegraph.g2d.G2DPDFRenderingHints;
+import org.simantics.scenegraph.g2d.G2DRenderingHints;
+import org.simantics.scenegraph.g2d.G2DRenderingHints.TextRenderingMode;
+import org.simantics.scenegraph.g2d.events.Event;
+import org.simantics.scenegraph.g2d.events.EventTypes;
+import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonPressedEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseClickEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDoubleClickedEvent;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDragBegin;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;
+import org.simantics.scenegraph.g2d.events.command.CommandEvent;
+import org.simantics.scenegraph.g2d.events.command.Commands;
+import org.simantics.scenegraph.utils.GeometryUtils;
+import org.simantics.scenegraph.utils.NodeUtil;
+import org.simantics.scl.runtime.function.Function1;
+import org.simantics.scl.runtime.function.Function2;
+import org.simantics.ui.colors.Colors;
+import org.simantics.ui.dnd.LocalObjectTransferable;
+import org.simantics.ui.dnd.MultiTransferable;
+import org.simantics.ui.dnd.PlaintextTransfer;
+import org.simantics.ui.fonts.Fonts;
+import org.simantics.utils.threads.AWTThread;
+
+import com.lowagie.text.pdf.PdfWriter;
+
+import gnu.trove.list.array.TIntArrayList;
+
+
+/**
+ * TextNode which supports in-line editing.
+ *
+ * By default TextNode is in editable = false state. Use
+ * {@link #setEditable(boolean)} to make it editable.
+ *
+ * @author Hannu Niemistö
+ * @author Marko Luukkainen
+ * @author Tuukka Lehtonen
+ *
+ * TODO:
+ * o proper support for defining clipping bounds for the text (needed for page templates) (currently through fixedWidth)
+ * o fix editing xOffset to work with fixed width and multi-line text
+ *
+ * @see Line
+ * @see TextLayout
+ */
+public class TextNode extends G2DNode implements IDynamicSelectionPainterNode, LoaderNode {
+
+ private static final long serialVersionUID = 654692698101485672L;
+
+ public static enum TextFlipping {
+ Disabled,
+ VerticalTextUpwards,
+ VerticalTextDownwards,
+ }
+
+ /**
+ * TODO: justify existence for this
+ */
+ private static final BasicStroke RESET_STROKE = new BasicStroke(1);
+
+ /**
+ * Src-over alpha composite instance with 50% opacity.
+ */
+ private static final AlphaComposite SrcOver_50 = AlphaComposite.SrcOver.derive(0.5f);
+
+ /**
+ * For (inexact) measurement of rendered text bounds.
+ */
+ protected static final FontRenderContext FRC = new FontRenderContext(new AffineTransform(), true, true);
+
+ private static final Font FONT = Font.decode("Arial 6");
+ private static final Color SELECTION_BACKGROUND_COLOR = new Color(0x316ac5);
+// private static final double MAX_CARET_POSITION = 1.0;
+
+ /**
+ * The complete text visualized by this node.
+ */
+ protected String text = null;
+
+ /**
+ * The font used to render the {@link #text}.
+ */
+ protected Font font = FONT;
+
+ /**
+ * The color of the rendered text. Default value is {@value Color#black}.
+ */
+ protected Color color = Color.BLACK;
+
+ /**
+ * The background color used for filling the background of the bounding box
+ * of the rendered text. null means no fill.
+ * Default value is null.
+ */
+ protected Color backgroundColor = null;
+
+ /**
+ * The color used for drawing the expanded bounding box border for the
+ * rendered text. null means no border is rendered. Default
+ * value is null.
+ */
+ protected Color borderColor = null;
+
+ protected double scale = 1.0;
+ protected transient double scaleRecip = 1.0;
+
+ /**
+ *
+ */
+ protected float borderWidth = 0.f;
+
+ protected double paddingX = 2.0;
+ protected double paddingY = 2.0;
+
+ /**
+ * Horizontal text box alignment with respect to its origin. Default value is
+ * 0 (leading).
+ */
+ protected byte horizontalAlignment = 0;
+ /**
+ * Vertical text box alignment with respect to its origin. Default value is
+ * 3 (baseline).
+ */
+ protected byte verticalAlignment = 3;
+
+ /**
+ * Tells if this node is still pending for real results or not.
+ */
+ protected static final int STATE_PENDING = (1 << 0);
+ protected static final int STATE_HOVER = (1 << 1);
+ protected static final int STATE_EDITABLE = (1 << 2);
+ protected static final int STATE_SHOW_SELECTION = (1 << 3);
+ protected static final int STATE_WRAP_TEXT = (1 << 4);
+ protected transient static final int STATE_EDITING = (1 << 5);
+ protected transient static final int STATE_VALID = (1 << 6);
+ protected transient static final int STATE_X_OFFSET_IS_DIRTY = (1 << 7);
+ protected static final int STATE_ALWAYS_ADD_LISTENERS = (1 << 8);
+ protected static final int STATE_LISTENERS_ADDED = (1 << 9);
+ protected static final int STATE_AUTOMATIC_TEXT_FLIP_ENABLED = (1 << 10);
+ protected static final int STATE_AUTOMATIC_TEXT_FLIP_VERTICAL_DOWN = (1 << 11);
+
+ /**
+ * A combination of all the STATE_ constants defined in this class,
+ * e.g. {@link #STATE_PENDING}.
+ */
+ protected int state = STATE_SHOW_SELECTION | STATE_WRAP_TEXT | STATE_VALID | STATE_X_OFFSET_IS_DIRTY;
+
+ protected RVI dataRVI = null;
+
+ int caret = 0;
+ int selectionTail = 0;
+ float xOffset = 0;
+
+ float fixedWidth = 0f;
+
+ private Rectangle2D targetBounds;
+
+ Function1 validator;
+ ITextListener textListener;
+ ITextContentFilter editContentFilter;
+
+ /**
+ * The renderable line structures parsed from {@link #text} by
+ * {@link #parseLines(String)}, laid out by
+ * {@link #layoutLines(Line[], FontRenderContext)} and aligned by
+ * {@link #alignLines(Line[], Rectangle2D, byte, byte)}
+ */
+ protected transient Line[] lines = null;
+ protected transient FontMetrics fontMetrics = null;
+
+ /**
+ * Stores the value of {@link #text} before edit mode was last entered. Used
+ * for restoring the original value if editing is cancelled.
+ */
+ private transient String textBeforeEdit = null;
+ protected transient TextEditActivation editActivation;
+
+ /**
+ * Stores the last scaled bounds.
+ */
+ private transient Rectangle2D lastBounds = new Rectangle2D.Double();
+
+ /**
+ * This must be nullified if anything that affects the result of
+ * {@link #getTightAlignedBoundsInLocal(Rectangle2D, FontRenderContext)}
+ * changes. It will cause the cached value to be recalculated on the next
+ * request.
+ */
+ private transient Rectangle2D tightBoundsCache = null;
+
+ @Override
+ public void init() {
+ super.init();
+ // Mark this node as pending
+ NodeUtil.increasePending(this);
+ }
+
+ @Override
+ public void cleanup() {
+ removeListeners();
+ super.cleanup();
+ }
+
+ protected boolean hasState(int flags) {
+ return (state & flags) == flags;
+ }
+
+ protected void setState(int flags) {
+ this.state |= flags;
+ }
+
+ protected void setState(int flags, boolean set) {
+ if (set)
+ this.state |= flags;
+ else
+ this.state &= ~flags;
+ }
+
+ protected void clearState(int flags) {
+ this.state &= ~flags;
+ }
+
+ protected void setListeners(boolean add) {
+ if (add)
+ addListeners();
+ else
+ removeListeners();
+ }
+
+ protected void addListeners() {
+ if (!hasState(STATE_LISTENERS_ADDED)) {
+ addEventHandler(this);
+ setState(STATE_LISTENERS_ADDED);
+ }
+ }
+
+ protected void removeListeners() {
+ if (hasState(STATE_LISTENERS_ADDED)) {
+ removeEventHandler(this);
+ clearState(STATE_LISTENERS_ADDED);
+ }
+ }
+
+ /**
+ * Set to true to always enable event listening in this TextNode to allow the text node to keep track of hovering, etc. and to allow DnD even when
+ * @param force
+ */
+ public void setForceEventListening(boolean force) {
+ setState(STATE_ALWAYS_ADD_LISTENERS, force);
+ if (force && !hasState(STATE_EDITABLE)) {
+ setListeners(force);
+ }
+ }
+
+ /**
+ * Enables or disables edit mode. It also sets
+ * the caret at the end of text all selects the
+ * whole text (this is the usual convention when
+ * beginning to edit one line texts).
+ * @param edit
+ * @return null if no change to edit state was made
+ */
+ public Boolean setEditMode(boolean edit) {
+ return setEditMode(edit, true);
+ }
+
+ /**
+ * Enables or disables edit mode. It also sets
+ * the caret at the end of text all selects the
+ * whole text (this is the usual convention when
+ * beginning to edit one line texts).
+ * @param edit
+ * @return null if no change to edit state was made
+ */
+ protected Boolean setEditMode(boolean edit, boolean notify) {
+ if (edit && !hasState(STATE_EDITABLE))
+ return null;
+ if (hasState(STATE_EDITING) == edit)
+ return null;
+ setState(STATE_EDITING, edit);
+ if (edit) {
+ caret = text != null ? text.length() : 0;
+ selectionTail = 0;
+ textBeforeEdit = text;
+ if (notify)
+ fireTextEditingStarted();
+ return Boolean.TRUE;
+ } else {
+ if (notify)
+ fireTextEditingEnded();
+ return Boolean.FALSE;
+ }
+ }
+
+ @SyncField({"editable"})
+ public void setEditable(boolean editable) {
+ boolean changed = hasState(STATE_EDITABLE) != editable;
+ setState(STATE_EDITABLE, editable);
+ if (hasState(STATE_EDITING) && !editable)
+ setEditMode(false);
+ if (changed && !hasState(STATE_ALWAYS_ADD_LISTENERS)) {
+ setListeners(editable);
+ }
+ }
+
+ public boolean isEditable() {
+ return hasState(STATE_EDITABLE);
+ }
+
+ public boolean isEditMode() {
+ return hasState(STATE_EDITING);
+ }
+
+ @SyncField({"wrapText"})
+ public void setWrapText(boolean wrapText) {
+ setState(STATE_WRAP_TEXT, wrapText);
+ }
+
+ /**
+ * @return Does the text box wrap text if
+ * the width of the box is fixed
+ */
+ public boolean isWrapText() {
+ return hasState(STATE_WRAP_TEXT);
+ }
+
+ @SyncField({"showSelection"})
+ public void setShowSelection(boolean showSelection) {
+ setState(STATE_SHOW_SELECTION, showSelection);
+ }
+
+ public boolean showsSelection() {
+ return hasState(STATE_SHOW_SELECTION);
+ }
+
+ /**
+ * @param text
+ * @param font
+ * @param color
+ * @param x not supported anymore, use {@link #setTransform(AffineTransform)} instead
+ * @param y not supported anymore, use {@link #setTransform(AffineTransform)} instead
+ * @param scale
+ */
+ @SyncField({"text", "font", "color", "x", "y", "scale"})
+ public void init(String text, Font font, Color color, double x, double y, double scale) {
+ // no value => value
+ if(this.text == null && text != null) NodeUtil.decreasePending(this);
+
+ if (hasState(STATE_EDITING))
+ return;
+
+ this.text = text;
+ this.font = font;
+ this.color = color;
+ this.scale = scale;
+ this.scaleRecip = 1.0 / scale;
+ this.caret = 0;
+ this.selectionTail = 0;
+
+
+ resetCaches();
+ }
+
+ public void setAutomaticTextFlipping(TextFlipping type) {
+ switch (type) {
+ case Disabled:
+ clearState(STATE_AUTOMATIC_TEXT_FLIP_ENABLED | STATE_AUTOMATIC_TEXT_FLIP_VERTICAL_DOWN);
+ break;
+ case VerticalTextDownwards:
+ setState(STATE_AUTOMATIC_TEXT_FLIP_ENABLED | STATE_AUTOMATIC_TEXT_FLIP_VERTICAL_DOWN);
+ break;
+ case VerticalTextUpwards:
+ setState(STATE_AUTOMATIC_TEXT_FLIP_ENABLED);
+ clearState(STATE_AUTOMATIC_TEXT_FLIP_VERTICAL_DOWN);
+ break;
+ }
+ }
+
+ @SyncField({"paddingX", "paddingY"})
+ public void setPadding(double x, double y) {
+ this.paddingX = x;
+ this.paddingY = y;
+ }
+
+ @SyncField({"color"})
+ public void setColor(Color color) {
+ this.color = color;
+ }
+
+ @SyncField({"backgroundColor"})
+ public void setBackgroundColor(Color color) {
+ this.backgroundColor = color;
+ }
+
+ @SyncField({"borderColor"})
+ public void setBorderColor(Color color) {
+ this.borderColor = color;
+ }
+
+ public String getText() {
+ return text;
+ }
+
+ public String getTextBeforeEdit() {
+ return textBeforeEdit;
+ }
+
+ @SyncField({"text","caret","selectionTail"})
+ public void setText(String text) {
+ //System.out.println("TextNode.setText('" + text + "', " + editing + ")");
+ if (hasState(STATE_EDITING))
+ return;
+
+ // value => no value
+ if(this.text != null && text == null) NodeUtil.increasePending(this);
+ // no value => value
+ if(this.text == null && text != null) NodeUtil.decreasePending(this);
+
+ this.text = text;
+ caret = text != null ? Math.min(caret, text.length()) : 0;
+ selectionTail = caret;
+
+ resetCaches();
+ }
+
+ @SyncField({"pending"})
+ public void setPending(boolean pending) {
+ boolean p = hasState(STATE_PENDING);
+ if(!p && pending) NodeUtil.increasePending(this);
+ if(p && !pending) NodeUtil.decreasePending(this);
+ if(p != pending)
+ setState(STATE_PENDING, pending);
+ }
+
+ @SyncField({"fixedWidth"})
+ public void setFixedWidth(float fixedWidth) {
+ if (fixedWidth < 0f)
+ throw new IllegalArgumentException("negative fixed width");
+ this.fixedWidth = fixedWidth;
+ invalidateXOffset();
+ }
+
+ /**
+ * Bounds where the text box will be drawn
+ * @param bounds
+ */
+ public void setTargetBounds(Rectangle2D bounds) {
+ this.targetBounds = bounds;
+ }
+
+ final public void synchronizeWidth(float width) {
+ if (width >= 0.0f)
+ setFixedWidth(width);
+ }
+
+ final public void synchronizeBorderWidth(float width) {
+ if (width >= 0.0f)
+ setBorderWidth(width);
+ }
+
+ public final void synchronizeWrapText(boolean wrap) {
+ setState(STATE_WRAP_TEXT, wrap);
+ }
+
+ public boolean isHovering() {
+ return hasState(STATE_HOVER);
+ }
+
+ @SyncField({"hover"})
+ public void setHover(boolean hover) {
+ setState(STATE_HOVER, hover);
+ repaint();
+ }
+
+ public Font getFont() {
+ return font;
+ }
+
+ @SyncField({"font"})
+ public void setFont(Font font) {
+ this.font = font;
+ resetCaches();
+ }
+
+ public double getBorderWidth() {
+ return borderWidth;
+ }
+
+ @SyncField({"borderWidth"})
+ public void setBorderWidth(float width) {
+ this.borderWidth = width;
+ }
+
+ public void setBorderWidth(double width) {
+ setBorderWidth((float)width);
+ }
+
+ @SyncField({"horizontalAlignment"})
+ public void setHorizontalAlignment(byte horizontalAlignment) {
+ if (horizontalAlignment < 0 && horizontalAlignment > 2)
+ throw new IllegalArgumentException("Invalid horizontal alignment: " + horizontalAlignment + ", must be between 0 and 2");
+ this.horizontalAlignment = horizontalAlignment;
+ resetCaches();
+ }
+
+ final public void synchronizeHorizontalAlignment(byte horizontalAlignment) {
+ if (horizontalAlignment >= 0 && horizontalAlignment <= 2)
+ setHorizontalAlignment(horizontalAlignment);
+ }
+
+ public byte getHorizontalAlignment() {
+ return horizontalAlignment;
+ }
+
+ @SyncField({"verticalAlignment"})
+ public void setVerticalAlignment(byte verticalAlignment) {
+ if (verticalAlignment < 0 && verticalAlignment > 3)
+ throw new IllegalArgumentException("Invalid vertical alignment: " + verticalAlignment + ", must be between 0 and 3");
+ this.verticalAlignment = verticalAlignment;
+ resetCaches();
+ }
+
+ final public void synchronizeVerticalAlignment(byte verticalAlignment) {
+ if (verticalAlignment >= 0 && verticalAlignment <= 3)
+ setVerticalAlignment(verticalAlignment);
+ }
+
+ public byte getVerticalAlignment() {
+ return verticalAlignment;
+ }
+
+ /**
+ * Rendering is single-threaded so we can use a static rectangle for
+ * calculating the expanded bounds for the node.
+ */
+ private static transient ThreadLocal tempBounds = new ThreadLocal() {
+ @Override
+ protected Rectangle2D initialValue() {
+ return new Rectangle2D.Double();
+ }
+ };
+
+ /**
+ * Rendering is single-threaded so we can use a static AffineTransform to
+ * prevent continuous memory allocation during text rendering.
+ */
+ private static transient ThreadLocal tempAffineTransform = new ThreadLocal() {
+ @Override
+ protected AffineTransform initialValue() {
+ return new AffineTransform();
+ }
+ };
+
+ @Override
+ public void render(Graphics2D g) {
+ AffineTransform ot = g.getTransform();
+ render(g, true);
+ g.setTransform(ot);
+ }
+
+ /**
+ * Note: does not return transformation, stroke, color, etc. to their
+ * original states
+ *
+ * @param g
+ * @param applyTransform
+ */
+ public void render(Graphics2D g, boolean applyTransform) {
+ if (text == null || font == null || color == null)
+ return;
+
+ // Cache font metrics if necessary
+ if (fontMetrics == null)
+ fontMetrics = g.getFontMetrics(font);
+
+ Color color = this.color;
+ boolean isSelected = NodeUtil.isSelected(this, 1);
+ boolean hover = hasState(STATE_HOVER);
+ boolean editing = hasState(STATE_EDITING);
+
+ if (!isSelected && hover) {
+ color = add(color, 120, 120, 120);
+ }
+
+ if (applyTransform)
+ g.transform(transform);
+ // Apply separate legacy scale
+ if (scale != 1.0)
+ g.scale(scale, scale);
+
+ // Safety for not rendering when the scale of this text is too small.
+ // When the scale is too small it will cause internal exceptions while
+ // stroking fonts.
+ AffineTransform curTr = g.getTransform();
+ double currentScale = GeometryUtils.getScale(curTr);
+ //System.out.println("currentScale: " + currentScale);
+ if (currentScale < 1e-6)
+ return;
+
+ g.setFont(font);
+ //g.translate(x, y);
+
+ // Calculate text clip rectangle.
+ // This updates textLayout if necessary.
+ Rectangle2D r = getTightAlignedBoundsInLocal(tempBounds.get(), fontMetrics.getFontRenderContext());
+
+ computeEditingXOffset();
+
+ if (fixedWidth > 0f)
+ r.setFrame(r.getMinX(), r.getMinY(), fixedWidth, r.getHeight());
+ if(targetBounds != null) {
+ double w = (targetBounds.getWidth() - paddingX * 2) * scaleRecip;
+ double h = (targetBounds.getHeight() - paddingY * 2) * scaleRecip;
+ double x = (targetBounds.getMinX() + paddingX) * scaleRecip;
+ double y = (targetBounds.getMinY() + paddingY) * scaleRecip;
+ r.setRect(x, y, w, h);
+ }
+
+ if (hasState(STATE_AUTOMATIC_TEXT_FLIP_ENABLED)) {
+ boolean needsXFlip;
+ boolean needsYFlip;
+ if (curTr.getScaleX() != 0) {
+ needsXFlip = curTr.getScaleX() < 0.0;
+ needsYFlip = curTr.getScaleY() < 0.0;
+ } else {
+ boolean flipAll = !hasState(STATE_AUTOMATIC_TEXT_FLIP_VERTICAL_DOWN);
+ needsXFlip = (curTr.getShearY() < 0.0) ^ flipAll;
+ needsYFlip = (curTr.getShearX() > 0.0) ^ flipAll;
+ }
+ if (needsXFlip || needsYFlip) {
+ double centerX = r.getWidth()*0.5 + r.getX();
+ double centerY = r.getHeight()*0.5 + r.getY();
+
+ g.translate(centerX, centerY);
+ g.scale(needsXFlip ? -1.0 : 1.0, needsYFlip ? -1.0 : 1.0);
+ g.translate(-centerX, -centerY);
+ }
+ }
+
+ Rectangle2D textClip = r.getBounds2D();
+
+ expandBoundsUnscaled(r);
+
+ // Speed rendering optimization: don't draw text that is too small to
+ // read when not editing
+ boolean renderText = true;
+ if (!editing) {
+ Object renderingHint = g.getRenderingHint(RenderingHints.KEY_RENDERING);
+ if (renderingHint != RenderingHints.VALUE_RENDER_QUALITY) {
+ float textSizeMM = (float) currentScale * GeometryUtils.pointToMillimeter(font.getSize2D());
+ if (textSizeMM < 1.5f)
+ renderText = false;
+ }
+ }
+
+ Shape clipSave = g.getClip();
+ g.setClip(textClip);
+
+ // PDF
+ PdfWriter writer = (PdfWriter) g.getRenderingHint(G2DPDFRenderingHints.KEY_PDF_WRITER);
+ TextRenderingMode renderingMode = (TextRenderingMode) g.getRenderingHint(G2DRenderingHints.KEY_TEXT_RENDERING_MODE);
+ boolean renderAsText = writer != null || renderingMode == TextRenderingMode.AS_TEXT;
+ /// PDF
+
+ Color backgroundColor = hasState(STATE_VALID) ? this.backgroundColor : Color.red;
+
+ // RENDER
+ {
+ // Fill background if necessary
+ if (backgroundColor != null) {
+ g.setColor(backgroundColor);
+ g.fill(r);
+ }
+
+ if (editing) {
+
+ int selectionMin = Math.min(caret, selectionTail);
+ int selectionMax = Math.max(caret, selectionTail);
+
+ // Base text
+ g.setColor(color);
+ renderText(g, xOffset, renderAsText);
+
+ Shape clip = g.getClip();
+
+ // Selection background & text
+ for (Line line : lines) {
+ if (line.intersectsRange(selectionMin, selectionMax)) {
+ Shape selShape = line.getLogicalHighlightShape(selectionMin, selectionMax);
+ line.translate(g, xOffset, 0);
+ g.setClip(selShape);
+ g.setColor(SELECTION_BACKGROUND_COLOR);
+ g.fill(selShape);
+ g.setColor(Color.WHITE);
+ // #6459: render as text in PDF and paths on screen
+ if (renderAsText)
+ g.drawString(line.getText(), 0, 0);
+ else
+ line.layout.draw(g, 0, 0);
+ line.translateInv(g, xOffset, 0);
+ }
+ }
+
+ g.setClip(clip);
+
+ renderCaret(g);
+
+ } else {
+
+ if (renderText) {
+ g.setColor(color);
+ renderText(g, 0, renderAsText);
+ }
+
+ }
+ }
+
+ g.setClip(clipSave);
+
+ if (borderWidth > 0f && borderColor != null) {
+ g.setColor(borderColor);
+ g.setStroke(new BasicStroke((float) (scale*borderWidth)));
+ g.draw(r);
+ }
+
+ //System.out.println("bw: " + borderWidth);
+ if (isSelected && showsSelection()) {
+ Composite oc = g.getComposite();
+ g.setComposite(SrcOver_50);
+ g.setColor(Color.RED);
+ float bw = borderWidth;
+ double s = currentScale;
+ if (bw <= 0f) {
+ bw = (float) (1f / s);
+ } else {
+ bw *= 5f * scale;
+ }
+ g.setStroke(new BasicStroke(bw));
+ g.draw(r);
+ //g.draw(GeometryUtils.expandRectangle(r, 1.0));
+
+ g.setComposite(oc);
+ }
+
+ g.scale(scaleRecip, scaleRecip);
+ g.setStroke(RESET_STROKE);
+
+ lastBounds = getScaledOffsetBounds(r, lastBounds, scale, 0, 0);
+// g.setColor(Color.MAGENTA); // DEBUG
+// g.draw(lastBounds); // DEBUG
+// g.setColor(Color.ORANGE); // DEBUG
+// g.draw(getBoundsInLocal()); // DEBUG
+
+ renderSelectedHover(g, isSelected, hover);
+ }
+
+ private void renderCaret(Graphics2D g) {
+ g.setColor(Color.BLACK);
+ for (int i = 0; i < lines.length; i++) {
+ Line line = lines[i];
+ // prevent rendering caret twice on line changes
+ if (line.containsOffset(caret) && // line contains caret
+ (caret != line.endOffset || //caret is not in the end of the line
+ i == lines.length-1 || //caret is end of the last line
+ lines[i+1].startOffset != line.endOffset)) { // beginning of the next line does not start withe the same index as current line
+ Shape[] caretShape = line.getCaretShapes(caret);
+ line.translate(g, xOffset, 0);
+ g.draw(caretShape[0]);
+ if (caretShape[1] != null)
+ g.draw(caretShape[1]);
+ line.translateInv(g, xOffset, 0);
+ }
+ }
+ }
+ private void renderText(Graphics2D g, float xOffset, boolean renderAsText) {
+ //g.draw(tightBoundsCache); // DEBUG
+ for (Line line : lines) {
+ // #6459: render as text in PDF and paths on screen
+ if (renderAsText)
+ g.drawString(line.getText(), line.alignedPosX + xOffset, line.alignedPosY);
+ else
+ line.layout.draw(g, line.alignedPosX + xOffset, line.alignedPosY);
+ //g.draw(line.abbox); // DEBUG
+ }
+ }
+
+ protected Rectangle2D getScaledOffsetBounds(Rectangle2D originalBounds, Rectangle2D dst, double scale, double offsetX, double offsetY) {
+ AffineTransform btr = tempAffineTransform.get();
+ btr.setToTranslation(offsetX*scale, offsetY*scale);
+ btr.scale(scale, scale);
+ if (btr.isIdentity()) {
+ dst.setFrame(originalBounds);
+ } else {
+ dst.setFrame(btr.createTransformedShape(originalBounds).getBounds2D());
+ }
+ return dst;
+ }
+
+ /**
+ * Invoked when TextNode is selected and a mouse is hovering on top of it. Can be overridden to add custom rendering.
+ *
+ * @param g
+ */
+ protected void renderSelectedHover(Graphics2D g, boolean isSelected, boolean isHovering) {
+ }
+
+ public String editText(String text) {
+
+ String error = validator != null ? validator.apply(text) : null;
+ if (error == null) {
+ this.text = text;
+ if (textListener != null) {
+ textListener.textEditingEnded();
+ }
+ }
+ return error;
+ }
+
+ /**
+ * Replaces the current selection with the content or inserts
+ * the content at caret. After the insertion the caret
+ * will be at the end of inserted text and selection will
+ * be empty.
+ * @param content
+ */
+ @SyncField({"text","caret","selectionTail"})
+ protected void insert(String content) {
+ content = editContentFilter != null ? editContentFilter.filter(this, content) : content;
+
+ int selectionMin = Math.min(caret, selectionTail);
+ int selectionMax = Math.max(caret, selectionTail);
+
+ String begin = text.substring(0, selectionMin);
+ String end = text.substring(selectionMax);
+ text = begin + content + end;
+ caret = selectionMin + content.length();
+ selectionTail = caret;
+
+ assert (caret <= text.length());
+ //System.out.println(text + " " + caret );
+
+ if(validator != null) {
+ String error = validator.apply(text);
+ setState(STATE_VALID, (error == null));
+ }
+
+ resetCaches();
+ }
+
+ @ServerSide
+ protected void fireTextChanged() {
+ if(textListener != null)
+ textListener.textChanged();
+ repaint();
+ }
+
+ @ServerSide
+ protected void fireTextEditingStarted() {
+ if(textListener != null)
+ textListener.textEditingStarted();
+ }
+
+ @ServerSide
+ protected void fireTextEditingCancelled() {
+ setState(STATE_VALID);
+
+ if (deactivateEdit()) {
+ if (textListener != null)
+ textListener.textEditingCancelled();
+
+ setEditMode(false, false);
+
+ if (textBeforeEdit != null)
+ setText(textBeforeEdit);
+
+ repaint();
+ }
+ }
+
+ @ServerSide
+ public void fireTextEditingEnded() {
+ if (!hasState(STATE_VALID)) {
+ fireTextEditingCancelled();
+ setState(STATE_VALID);
+ return;
+ }
+
+ if (deactivateEdit()) {
+ if (textListener != null)
+ textListener.textEditingEnded();
+
+ setEditMode(false, false);
+ repaint();
+ }
+ }
+
+ public void setTextListener(ITextListener listener) {
+ this.textListener = listener;
+ }
+
+ public void setValidator(Function1 validator) {
+ this.validator = validator;
+ }
+
+ public void setContentFilter(ITextContentFilter filter) {
+ this.editContentFilter = filter;
+ }
+
+ public void setRVI(RVI rvi) {
+ this.dataRVI = rvi;
+ }
+
+ private void invalidateXOffset() {
+ setState(STATE_X_OFFSET_IS_DIRTY);
+ }
+
+ private void computeEditingXOffset() {
+
+ if(lines == null) return;
+ if(!hasState(STATE_X_OFFSET_IS_DIRTY)) return;
+ if(fixedWidth > 0f) {
+
+ // TODO: implement
+// float[] coords = textLayout.getCaretInfo(TextHitInfo.afterOffset(caret));
+// if(coords != null) {
+// if(coords[0] > (fixedWidth*MAX_CARET_POSITION)) xOffset = (float)((fixedWidth*MAX_CARET_POSITION)-coords[0]);
+// else xOffset = 0;
+// }
+
+ } else {
+
+ xOffset = 0;
+
+ }
+
+ clearState(STATE_X_OFFSET_IS_DIRTY);
+
+ }
+
+ @SyncField({"caret","selectionTail"})
+ protected void moveCaret(int move, boolean select) {
+ // prevent setting caret into line separator.
+ if (move > 0) {
+ while (text.length()> caret+move && getLineSeparator().indexOf(text.charAt(caret+move)) > 0)
+ move++;
+ } else if (move < 0) {
+ while (caret+move >= 0 && text.length()> caret+move && getLineSeparator().indexOf(text.charAt(caret+move)) > 0)
+ move--;
+ }
+ caret += move;
+ if(caret < 0)
+ caret = 0;
+ if (caret > text.length())
+ caret = text.length();
+ if(!select)
+ selectionTail = caret;
+ }
+
+ private Line findCaretLine() {
+ // Find the line where caret is. Starting from first line.
+ for(int i = 0; i < lines.length; i++) {
+ Line line = lines[i];
+ if(caret <= line.endOffset) {
+ return line;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Moves caret to next not letter or digit
+ * @param shiftDown
+ */
+ private void moveCaretCtrlLeft(boolean shiftDown) {
+ Line line = findCaretLine();
+ if(line != null) {
+ int i;
+ for(i = caret-1; i > line.startOffset; i--) {
+ char c = line.document.charAt(i);
+ if(!Character.isLetterOrDigit(c)) {
+ break;
+ }
+ }
+ moveCaret(i - caret, shiftDown);
+ }
+ }
+
+ /**
+ * Moves caret to previous non letter or digit
+ * @param shiftDown
+ */
+ private void moveCaretCtrlRight(boolean shiftDown) {
+ Line line = findCaretLine();
+ if(line != null) {
+ int i;
+ for(i = caret + 1; i < line.endOffset; i++) {
+ char c = line.document.charAt(i);
+ if(!Character.isLetterOrDigit(c)) {
+ break;
+ }
+ }
+ moveCaret(i - caret, shiftDown);
+ }
+ }
+
+ /**
+ * Moves caret to line end
+ * @param shiftDown
+ */
+ private void moveCaretEnd(boolean shiftDown) {
+ Line line = findCaretLine();
+ if(line != null)
+ // Move caret to the end of the line
+ moveCaret(line.endOffset - caret, shiftDown);
+ }
+
+ /**
+ * Moves caret to beginning of a line
+ * @param shiftDown
+ */
+ private void moveCaretHome(boolean shiftDown) {
+ Line line = findCaretLine();
+ if(line != null)
+ // Move caret to the beginning of the line
+ moveCaret(line.startOffset - caret, shiftDown);
+ }
+
+ /**
+ * Moves caret one row up and tries to maintain the location
+ * @param shiftDown
+ */
+ private void moveCaretRowUp(boolean shiftDown) {
+ // Find the line where caret is. Starting from first line.
+ for(int i = 0; i < lines.length; i++) {
+ Line line = lines[i];
+ if(caret <= line.endOffset) {
+ // caret is in this line
+ if(i == 0) {
+ // Already on top line
+ // Select the beginning of the line
+ moveCaret(-caret, shiftDown);
+ } else {
+ Line prevLine = lines[i-1];
+ int prevLength = prevLine.endOffset - prevLine.startOffset;
+ int posInCurRow = caret - line.startOffset;
+ if(prevLength < posInCurRow)
+ posInCurRow = prevLength;
+
+ int newPos = prevLine.startOffset + posInCurRow;
+ moveCaret(newPos - caret, shiftDown);
+ }
+ break;
+ }
+ }
+ }
+
+ /**
+ * Moves caret one row down and tries to maintain the location
+ * @param shiftDown
+ */
+ private void moveCaretRowDown(boolean shiftDown) {
+ // Find the line where caret is. Starting from last line.
+ for(int i = lines.length - 1; i >= 0; i--) {
+ Line line = lines[i];
+ if(caret >= line.startOffset) {
+ // caret is in this line
+ if(i == lines.length - 1) {
+ // Already on bottom line, cannot go below
+ // Select to the end of the line
+ moveCaret(line.endOffset - caret, shiftDown);
+ } else {
+ Line prevLine = lines[i+1]; // Previous line
+
+ // Find new caret position.
+ // Either it is in the same index as before, or if the row
+ // is not long enough, select the end of the row.
+ int prevLength = prevLine.endOffset - prevLine.startOffset;
+ int posInCurRow = caret - line.startOffset;
+ if(prevLength < posInCurRow)
+ posInCurRow = prevLength;
+ int newPos = prevLine.startOffset + posInCurRow;
+ moveCaret(newPos - caret, shiftDown);
+ }
+ break;
+ }
+ }
+ }
+
+ @SyncField({"caret","selectionTail"})
+ protected void setCaret(int pos, boolean select) {
+ caret = pos;
+ if (caret < 0)
+ caret = 0;
+ if (caret > text.length())
+ caret = text.length();
+ if (!select)
+ selectionTail = caret;
+ }
+
+ protected void setCaret(Point2D point) {
+ setCaret(point, false);
+ }
+
+ @SyncField({"caret","selectionTail"})
+ protected void setCaret(Point2D point, boolean select) {
+ double lineY = 0;
+ for(int i = 0; i < lines.length; i++) {
+ Line line = lines[i];
+ Rectangle2D bounds = line.abbox;
+ // Add heights of bboxes for determining the correct line
+ if(i == 0)
+ lineY = bounds.getY();
+ else
+ lineY += lines[i-1].abbox.getHeight();
+
+ double lineHeight = bounds.getHeight();
+ double hitY = point.getY() / scale;
+ if(hitY >= lineY && hitY <= lineY + lineHeight) {
+ // Hit is in this line
+ float x = (float)(point.getX() / scale) - (float)line.abbox.getX();
+ float y = (float)(point.getY() / scale - lineHeight * i) ;
+ TextHitInfo info = line.layout.hitTestChar(x, y);
+ caret = line.startOffset + info.getInsertionIndex();
+ if (caret > line.endOffset)
+ caret = line.endOffset;
+ if (!select)
+ selectionTail = caret;
+ repaint();
+ break;
+ }
+ }
+ invalidateXOffset();
+ assert (caret <= text.length());
+ }
+
+ @Override
+ public Rectangle2D getBoundsInLocal() {
+ if(targetBounds != null)
+ return targetBounds;
+ else
+ return expandBounds( getTightAlignedBoundsInLocal(null) );
+ }
+
+ protected Rectangle2D expandBounds(Rectangle2D r) {
+ r.setRect(r.getX() * scale - paddingX, r.getY() * scale -paddingY, r.getWidth()*scale + paddingX + paddingX, r.getHeight()*scale + paddingY + paddingY);
+ //System.out.println(" => " + r);
+ return r;
+ }
+
+ protected Rectangle2D expandBoundsUnscaled(Rectangle2D r) {
+ r.setRect(r.getX() - scaleRecip*paddingX, r.getY() -scaleRecip*paddingY, r.getWidth() + scaleRecip*paddingX + scaleRecip*paddingX, r.getHeight() + scaleRecip*paddingY + scaleRecip*paddingY);
+ //System.out.println(" => " + r);
+ return r;
+ }
+
+ protected Rectangle2D expandBounds(Rectangle2D r, double amount) {
+ r.setRect(r.getX() - amount, r.getY() - amount, r.getWidth() + 2*amount, r.getHeight() + 2*amount);
+ return r;
+ }
+
+ protected Rectangle2D expandBounds(Rectangle2D r, double left, double top, double right, double bottom) {
+ r.setRect(r.getX() - left, r.getY() - top, r.getWidth() + left + right, r.getHeight() + top + bottom);
+ return r;
+ }
+
+ private void resetCaches() {
+ this.tightBoundsCache = null;
+ this.lines = null;
+ this.fontMetrics = null;
+ }
+
+ /**
+ * Returns the tight bounds around the current text using the current font
+ * in the specified rectangle. If the specified rectangle is
+ * null a new Rectangle2D.Double instance will be created.
+ *
+ * @param r
+ * @return
+ */
+ protected Rectangle2D getTightAlignedBoundsInLocal(Rectangle2D r) {
+ return getTightAlignedBoundsInLocal(r, FRC);
+ }
+
+ /**
+ * Returns the tight bounds around the current text using the current font
+ * in the specified rectangle. If the specified rectangle is
+ * null a new Rectangle2D.Double instance will be created.
+ *
+ * @param r
+ * the rectangle where the result of the method is placed or
+ * null to allocate new rectangle
+ * @param frc current font render context
+ * @return r or new Rectangle2D.Double instance containing the requested
+ * text bounds
+ */
+ protected Rectangle2D getTightAlignedBoundsInLocal(Rectangle2D r, FontRenderContext frc) {
+ if (r == null)
+ r = new Rectangle2D.Double();
+
+ if (tightBoundsCache != null) {
+ r.setFrame(tightBoundsCache);
+ return r;
+ }
+
+ String txt = text;
+ if (font == null || txt == null) {
+ r.setFrame(0, 0, 2, 1);
+ return r;
+ }
+
+ //System.out.println("TextNode.getTightAlignedBoundsInLocal('" + txt + "')");
+
+ // Parse & layout (unaligned)
+ Line[] lines = null;
+
+ if(hasState(STATE_WRAP_TEXT)) {
+ float width = fixedWidth;
+ if(width <= 0 && targetBounds != null)
+ width = (float) (((targetBounds.getWidth() - 2*paddingX)) * scaleRecip);
+ if(width > 0)
+ lines = wrapLines(txt, font, width, frc);
+ }
+
+ if(lines == null)
+ lines = parseLines(txt);
+ this.lines = layoutLines(lines, frc);
+
+ // Calculate tight bounds based on unaligned layout
+ //System.out.println("Unaligned");
+ tightBoundsCache = calculateBounds(lines, Line.BBOX, null);
+ //System.out.println(" => " + tightBoundsCache);
+
+ this.lines = layoutLinesX(lines, tightBoundsCache);
+ // Align each line to the calculated tight bounds
+ this.lines = alignLines(this.lines, tightBoundsCache, horizontalAlignment, verticalAlignment);
+
+ // Calculate aligned bounds
+ //System.out.println("Aligned");
+ calculateBounds(lines, Line.ABBOX, tightBoundsCache);
+
+ r.setFrame(tightBoundsCache);
+ //System.out.println(" => " + tightBoundsCache);
+
+ return r;
+ }
+
+ /**
+ * @param lines
+ * @param bbox
+ * the bounding box of all the whole laid out text (only bbox
+ * size is used)
+ * @return
+ */
+ private Line[] layoutLinesX(Line[] lines, Rectangle2D bbox) {
+ int lineCount = lines.length;
+ for (int l = 0; l < lineCount; ++l) {
+ Line line = lines[l];
+ // Compute pen x position. If the paragraph is right-to-left we
+ // will align the TextLayouts to the right edge of the panel.
+ // Note: drawPosX is always where the LEFT of the text is placed.
+ // NOTE: This changes based on horizontal alignment
+ line.drawPosX = (float) (line.layout.isLeftToRight() ? 0f
+ : tightBoundsCache.getWidth() - line.layout.getAdvance());
+ }
+ return lines;
+ }
+
+ /**
+ * @param lines
+ * @param boundsProvider
+ * @param result
+ * @return
+ */
+ private static Rectangle2D calculateBounds(Line[] lines, BoundsProcedure boundsProvider, Rectangle2D result) {
+ if (result == null)
+ result = new Rectangle2D.Double();
+ else
+ result.setFrame(0, 0, 0, 0);
+
+ for (Line line : lines) {
+ //System.out.println("line: " + line);
+ Rectangle2D bbox = boundsProvider.getBounds(line);
+ if (result.isEmpty())
+ result.setFrame(bbox);
+ else
+ Rectangle2D.union(result, bbox, result);
+ //System.out.println("bounds: " + result);
+ }
+ //System.out.println("final bounds: " + result);
+
+ return result;
+ }
+
+ /**
+ * @param lines
+ * @param bbox
+ * @param hAlign
+ * @param vAlign
+ * @return aligned lines
+ */
+ private Line[] alignLines(Line[] lines, Rectangle2D bbox, byte hAlign, byte vAlign) {
+// System.out.println("horizontal align: " + Alignment.values()[hAlign]);
+// System.out.println("vertical align : " + Alignment.values()[vAlign]);
+// System.out.println("bbox: " + bbox);
+ double xbase = 0;
+// double ybase = 0;
+ if(targetBounds != null) {
+ /* In normal cases the bounding box moves when
+ * typing. If target bounds are set, the text
+ * is fitted into the box.
+ */
+ switch (hAlign) {
+ case 1: // Trailing
+ xbase = (targetBounds.getMaxX()-paddingX) * scaleRecip;
+ break;
+ case 2: // Center
+ xbase = targetBounds.getCenterX() * scaleRecip;
+ break;
+ default: // Leading / Baseline
+ // Do nothing
+ break;
+ }
+ }
+
+
+ for (Line line : lines) {
+ double xoffset = 0;
+ double yoffset = 0;
+
+ switch (hAlign) {
+ case 1: // Trailing
+ xoffset = xbase - line.bbox.getWidth();
+ break;
+ case 2: // Center
+ xoffset = xbase - line.bbox.getWidth() / 2;
+ break;
+ default: // Leading / Baseline
+ // Do nothing
+ break;
+ }
+
+ switch (vAlign) {
+ case 0:
+ yoffset = line.layout.getAscent();
+ break;
+ case 1:
+ yoffset = -bbox.getHeight() + line.layout.getAscent();
+ break;
+ case 2:
+ yoffset = -bbox.getHeight() / 2 + line.layout.getAscent();
+ break;
+ }
+
+ line.alignOffset(xoffset, yoffset);
+ }
+ return lines;
+ }
+
+ /**
+ * @param lines
+ * @param frc
+ * @return
+ */
+ private Line[] layoutLines(Line[] lines, FontRenderContext frc) {
+ TextLayout emptyRowLayout = null;
+ int lineCount = lines.length;
+ float y = 0;
+ for (int l = 0; l < lineCount; ++l) {
+ Line line = lines[l];
+ String lineText = line.getText();
+ // " " because TextLayout requires non-empty text and
+ // We don't want zero size for the text.
+ if (lineText.isEmpty()) {
+ lineText = " ";
+ if (emptyRowLayout == null)
+ emptyRowLayout = new TextLayout(lineText, font, frc);
+ line.layout = emptyRowLayout;
+ } else {
+ line.layout = new TextLayout(lineText, font, frc);
+ }
+
+ //y += line.layout.getAscent();
+ line.drawPosY = y;
+ y += line.layout.getDescent() + line.layout.getLeading() + line.layout.getAscent();
+
+ Rectangle2D bbox = line.layout.getLogicalHighlightShape(0, lineText.length()).getBounds2D();
+ // HighlightShape is not large enough, if font is italic.
+ Rectangle2D bbox2 = line.layout.getBounds();
+ bbox.add(bbox2);
+ bbox.setFrame(bbox.getX(), bbox.getY() + line.drawPosY, bbox.getWidth(), bbox.getHeight());
+ line.bbox = bbox;
+ }
+
+ return lines;
+ }
+
+ /**
+ * Splits the specified string into {@link Line} structures, one for each
+ * line in the input text. The returned lines are only partially defined,
+ * waiting to be laid out (see
+ * {@link #layoutLines(Line[], FontRenderContext)})
+ *
+ * @param txt
+ * input text
+ * @return parsed text lines as {@link Line} structures
+ * @see #layoutLines(Line[], FontRenderContext)
+ */
+ private static Line[] parseLines(String txt) {
+ int len = txt.length();
+ if (len == 0)
+ return new Line[] { new Line("", 0, 0) };
+
+ TIntArrayList lfpos = new TIntArrayList();
+ int pos = 0;
+ int lineCount = 1;
+ for (;pos < len; ++lineCount) {
+ int nextlf = txt.indexOf('\n', pos);
+ lfpos.add(nextlf != -1 ? nextlf : len);
+ if (nextlf == -1)
+ break;
+ pos = nextlf + 1;
+ }
+ Line[] lines = new Line[lineCount];
+ pos = 0;
+ for (int i = 0; i < lineCount-1; ++i) {
+ int lf = lfpos.getQuick(i);
+ int cr = (lf > 0) && (txt.charAt(lf - 1) == '\r') ? lf - 1 : lf;
+ lines[i] = new Line(txt, pos, cr);
+ pos = lf + 1;
+ }
+ lines[lineCount - 1] = new Line(txt, pos, len);
+
+ return lines;
+ }
+
+
+ private static Line[] wrapLines(String txt, Font font, float fixedWidth, FontRenderContext frc) {
+ if(txt == null || txt.isEmpty())
+ txt = " ";
+
+ ArrayList lines =
+ new ArrayList();
+
+ Hashtable map = new Hashtable();
+ map.put(TextAttribute.FONT, font);
+ AttributedString attributedText = new AttributedString(txt.isEmpty() ? "__ERROR__" : txt, map);
+
+ AttributedCharacterIterator paragraph = attributedText.getIterator();
+ int paragraphStart = paragraph.getBeginIndex();
+ int paragraphEnd = paragraph.getEndIndex();
+ LineBreakMeasurer lineMeasurer = new LineBreakMeasurer(paragraph, frc);
+
+ float breakWidth = fixedWidth;
+
+ // Force text to be vertical, by setting break width to 1, if the text area is narrower than "GGGG"
+
+ // Set position to the index of the first character in the paragraph.
+ lineMeasurer.setPosition(paragraphStart);
+
+ // Get lines until the entire paragraph has been displayed.
+ int next, limit, charat, position = 0;
+
+ while ((position = lineMeasurer.getPosition()) < paragraphEnd) {
+
+ // Find possible line break and set it as a limit to the next layout
+ next = lineMeasurer.nextOffset(breakWidth);
+ limit = next;
+ charat = txt.indexOf(System.getProperty("line.separator"),position+1);
+ if(charat < next && charat != -1){
+ limit = charat;
+ }
+
+ lineMeasurer.nextLayout(breakWidth, limit, false);
+ // Add Line
+ lines.add(new Line(txt, position, limit));
+ }
+
+ return lines.toArray(new Line[lines.size()]);
+ }
+
+
+ public String getClipboardContent() {
+ Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
+ Transferable clipData = clipboard.getContents(this);
+ try {
+ return (String) (clipData.getTransferData(DataFlavor.stringFlavor));
+ } catch (Exception ee) {
+ return null;
+ }
+ }
+
+ public void setClipboardContent(String content) {
+ Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
+ StringSelection data = new StringSelection(content);
+ clipboard.setContents(data, data);
+ }
+
+ @Override
+ public String toString() {
+ return super.toString() + " [text=" + text + ", font=" + font + ", color=" + color + "]";
+ }
+
+ @Override
+ protected boolean handleCommand(CommandEvent e) {
+ if (!hasState(STATE_EDITING))
+ return false;
+
+ if (Commands.SELECT_ALL.equals(e.command)) {
+ selectAll();
+ return true;
+ }
+ return false;
+ }
+
+ @Override
+ protected boolean keyPressed(KeyPressedEvent event) {
+ if (!hasState(STATE_EDITING))
+ return false;
+
+ char c = event.character;
+ boolean ctrl = event.isControlDown();
+ boolean alt = event.isAltDown();
+
+// System.out.println("Key pressed '" + (event.character == 0 ? "\\0" : "" + c) + "' " + event.keyCode + " - " + Integer.toBinaryString(event.stateMask));
+// System.out.println("ctrl: " + ctrl);
+// System.out.println("alt: " + alt);
+ if (ctrl && !alt) {
+ switch (event.keyCode) {
+ case KeyEvent.VK_C:
+ if (caret != selectionTail) {
+ int selectionMin = Math.min(caret, selectionTail);
+ int selectionMax = Math.max(caret, selectionTail);
+ setClipboardContent(text.substring(selectionMin, selectionMax));
+ }
+ break;
+
+ case KeyEvent.VK_X:
+ if (caret != selectionTail) {
+ int selectionMin = Math.min(caret, selectionTail);
+ int selectionMax = Math.max(caret, selectionTail);
+ setClipboardContent(text.substring(selectionMin, selectionMax));
+ insert("");
+ }
+ break;
+
+ case KeyEvent.VK_RIGHT:
+ if (c == '\0') {
+ // '\'' has the same keycode as VK_RIGHT but when right
+ // arrow is pressed, event character is \0.
+ moveCaretCtrlRight(event.isShiftDown());
+ }
+ break;
+
+ case KeyEvent.VK_LEFT:
+ moveCaretCtrlLeft(event.isShiftDown());
+ break;
+
+ case KeyEvent.VK_V:
+ {
+ String content = getClipboardContent();
+ if(content != null)
+ insert(content);
+ break;
+ }
+
+ // Replaced by #handleCommand
+// case KeyEvent.VK_A:
+// {
+// selectAll();
+// return true;
+// }
+
+ case KeyEvent.VK_ENTER:
+ {
+ insert(getLineSeparator());
+ }
+
+ break;
+
+ default:
+ return false;
+ }
+ } else if (!ctrl && alt) {
+ return false;
+ } else {
+ switch (event.keyCode) {
+ case KeyEvent.VK_LEFT:
+ moveCaret(-1, event.isShiftDown());
+ break;
+ case KeyEvent.VK_RIGHT:
+ if (c == '\0') {
+ // '\'' has the same keycode as VK_RIGHT but when right
+ // arrow is pressed, event character is \0.
+ moveCaret(1, event.isShiftDown());
+ break;
+ }
+ // Intentional fallthrough to default case
+ case KeyEvent.VK_UP:
+ moveCaretRowUp(event.isShiftDown());
+ break;
+ case KeyEvent.VK_DOWN:
+ moveCaretRowDown(event.isShiftDown());
+ break;
+ case KeyEvent.VK_HOME:
+ moveCaretHome(event.isShiftDown());
+ break;
+ case KeyEvent.VK_END:
+ moveCaretEnd(event.isShiftDown());
+ break;
+
+ case KeyEvent.VK_ENTER:
+ fireTextEditingEnded();
+ return true;
+
+ case KeyEvent.VK_ESCAPE:
+ text = textBeforeEdit;
+ resetCaches();
+ clearState(STATE_EDITING);
+ fireTextEditingCancelled();
+ return true;
+
+ case KeyEvent.VK_BACK_SPACE:
+ if(caret == selectionTail && caret > 0) {
+ // line separator may use multiple characters, we want to remove that with one command
+ String lineSep = getLineSeparator();
+ int index = lineSep.indexOf(text.charAt(caret-1));
+ if (index == -1)
+ --caret;
+ else {
+ caret-= (index+1);
+ selectionTail+= (lineSep.length()-index-1);
+ }
+ }
+ insert("");
+ break;
+
+ case KeyEvent.VK_DELETE:
+ if(caret == selectionTail && caret < text.length()) {
+ String lineSep = getLineSeparator();
+ int index = lineSep.indexOf(text.charAt(caret));
+ if (index==-1)
+ ++caret;
+ else {
+ selectionTail-= index;
+ caret+= (lineSep.length()-index);
+ }
+ }
+ insert("");
+ break;
+
+
+
+ default:
+ if (c == 65535 || Character.getType(c) == Character.CONTROL) {
+ return false;
+ }
+ //System.out.println("Char " + c + " " + Character.getType(c) + " " + text);
+ insert(new String(new char[] {c}));
+ }
+ }
+
+ // FIXME This is called even if just caret was moved.
+ // This is currently necessary for repaints.
+ fireTextChanged();
+ invalidateXOffset();
+ return true;
+ }
+
+ protected String getLineSeparator() {
+ return System.getProperty("line.separator");
+ }
+
+ protected void selectAll() {
+ setCaret(0, false);
+ setCaret(text.length(), true);
+ }
+
+ protected transient int hoverClick = 0;
+
+ @Override
+ protected boolean mouseClicked(MouseClickEvent event) {
+ if (event.button != MouseClickEvent.LEFT_BUTTON)
+ return false;
+
+ if (hasState(STATE_HOVER)) {
+ hoverClick++;
+ if (hoverClick < 2)
+ return false;
+ ICanvasContext ctx = DiagramNodeUtil.getCanvasContext(this);
+ // FIXME: needed only because eventdelegator registrations are done before adding node to scene graph.
+ if (ctx == null)
+ return false;
+ IElement e = DiagramNodeUtil.getElement(ctx, this);
+ if (!hasState(STATE_EDITING)) {
+ if (Boolean.TRUE.equals(setEditMode(true))) {
+ editActivation = activateEdit(0, e, ctx);
+ repaint();
+ }
+ }
+ } else {
+ hoverClick = 0;
+ if (hasState(STATE_EDITING)) {
+ fireTextEditingEnded();
+ }
+ }
+ return false;
+ }
+
+ protected boolean mouseDoubleClicked(MouseDoubleClickedEvent event) {
+ if (event.button != MouseClickEvent.LEFT_BUTTON)
+ return false;
+
+ if (hitTest(event, 0)) {
+ ICanvasContext ctx = DiagramNodeUtil.getCanvasContext(this);
+ // FIXME: needed only because eventdelegator registrations are done before adding node to scene graph.
+ if (ctx == null)
+ return false;
+
+ if (text != null) {
+ // Select the whole text.
+ setCaret(0, false);
+ setCaret(text.length(), true);
+ repaint();
+ }
+ }
+ return false;
+ }
+
+
+ @Override
+ protected boolean mouseButtonPressed(MouseButtonPressedEvent event) {
+ if (!hasState(STATE_EDITING))
+ return false;
+
+ Point2D local = controlToLocal( event.controlPosition );
+ // FIXME: once the event coordinate systems are cleared up, remove this workaround
+ local = parentToLocal(local);
+ if (hasState(STATE_HOVER) && this.containsLocal(local)) {
+ setCaret(local, event.isShiftDown());
+ }
+ return false;
+ }
+
+ @Override
+ protected boolean mouseMoved(MouseMovedEvent event) {
+ boolean hit = hitTest(event, 3.0);
+ if (hit != hasState(STATE_HOVER)) {
+ setState(STATE_HOVER, hit);
+ repaint();
+ }
+ return false;
+ }
+
+ private boolean isControlDown(MouseEvent e) {
+ return e.isControlDown() || lastMouseEvent!=null?lastMouseEvent.isControlDown():false;
+ }
+
+ protected boolean isShiftDown(MouseEvent e) {
+ return e.isShiftDown() || lastMouseEvent!=null?lastMouseEvent.isShiftDown():false;
+ }
+
+// private boolean isAltDown(MouseEvent e) {
+// return e.isAltDown() || lastMouseEvent!=null?lastMouseEvent.isAltDown():false;
+// }
+
+ @Override
+ protected boolean mouseDragged(MouseDragBegin e) {
+ if (isHovering()
+ && (isControlDown(e) || isShiftDown(e))
+ && (dataRVI != null || text != null))
+ {
+ List trs = new ArrayList<>(2);
+ if (dataRVI != null) {
+ trs.add(new LocalObjectTransferable(dataRVI));
+ trs.add(new PlaintextTransfer(dataRVI.toString()));
+ } else if (text != null && !text.isEmpty()) {
+ trs.add(new PlaintextTransfer(text));
+ }
+ if (!trs.isEmpty()) {
+ e.transferable = new MultiTransferable(trs);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ protected boolean hitTest(MouseEvent event, double tolerance) {
+ Rectangle2D bounds = getBoundsInternal();
+ if (bounds == null)
+ return false;
+ Point2D localPos = NodeUtil.worldToLocal(this, event.controlPosition, new Point2D.Double());
+ double x = localPos.getX();
+ double y = localPos.getY();
+ boolean hit = bounds.contains(x, y);
+ return hit;
+ }
+
+ public Rectangle2D getBoundsInternal() {
+ Rectangle2D local = lastBounds;
+ if (local == null)
+ return null;
+ // TODO: potential spot for CPU/memory allocation optimization
+ // by using more specialized implementations
+ if (transform.isIdentity())
+ return local;
+ return transform.createTransformedShape(local).getBounds2D();
+ }
+
+ protected Color add(Color c, int r, int g, int b) {
+ int nr = Math.min(255, c.getRed() + r);
+ int ng = Math.min(255, c.getGreen() + g);
+ int nb = Math.min(255, c.getBlue() + b);
+ return new Color(nr, ng, nb);
+ }
+
+ public TextEditActivation activateEdit(int mouseId, IElement e, ICanvasContext ctx) {
+ EditDataNode data = EditDataNode.getNode(this);
+ deactivateEdit(data, null);
+ TextEditActivation result = new TextEditActivation(mouseId, e, ctx);
+ data.setTextEditActivation(result);
+ return result;
+ }
+
+ /**
+ * @return true if this node is or was previously in editing
+ * state
+ */
+ protected boolean deactivateEdit() {
+ boolean result = deactivateEdit( editActivation );
+ result |= editActivation != null;
+ editActivation = null;
+ return result;
+ }
+
+ protected boolean deactivateEdit(TextEditActivation activation) {
+ return deactivateEdit( EditDataNode.getNode(this), activation );
+ }
+
+ protected boolean deactivateEdit(EditDataNode data, TextEditActivation activation) {
+ TextEditActivation previous = data.getTextEditActivation();
+ if (previous != null && (previous == activation || activation == null)) {
+ previous.release();
+ data.setTextEditActivation(null);
+ return true;
+ }
+ return false;
+ }
+
+ @Override
+ public int getEventMask() {
+ return EventTypes.KeyPressedMask | EventTypes.MouseMovedMask | EventTypes.MouseButtonPressedMask
+ | EventTypes.MouseClickMask | EventTypes.MouseDragBeginMask | EventTypes.CommandMask;
+ }
+
+ private MouseEvent lastMouseEvent = null;
+
+ @Override
+ public boolean handleEvent(Event e) {
+ if(e instanceof MouseEvent && !(e instanceof MouseDragBegin)) lastMouseEvent = (MouseEvent)e;
+ return super.handleEvent(e);
+ }
+
+ @Override
+ public Function1 getPropertyFunction(String propertyName) {
+ return ScenegraphUtils.getMethodPropertyFunction(AWTThread.getThreadAccess(), this, propertyName);
+ }
+
+ @Override
+ public T getProperty(String propertyName) {
+ return null;
+ }
+
+ @Override
+ public void setPropertyCallback(Function2 callback) {
+ }
+
+ public void synchronizeText(String text) {
+ setText(text);
+ }
+
+ public void synchronizeColor(RGB.Integer color) {
+ this.color = Colors.awt(color);
+ }
+
+ public void synchronizeFont(org.simantics.datatypes.literal.Font font) {
+ setFont(Fonts.awt(font));
+ }
+
+ public void synchronizeTransform(double[] data) {
+ this.setTransform(new AffineTransform(data));
+ }
+
+ public static void main(String[] args) {
+ Line[] lines = parseLines("\n \n FOO \n\nBAR\n\n\n BAZ\n\n");
+ System.out.println(Arrays.toString(lines));
+ System.out.println(GeometryUtils.pointToMillimeter(1));
+ System.out.println(GeometryUtils.pointToMillimeter(12));
+ System.out.println(GeometryUtils.pointToMillimeter(72));
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ // LEGACY CODE NEEDED BY INHERITED CLASSES FOR NOW
+ ///////////////////////////////////////////////////////////////////////////
+
+ protected double getHorizontalAlignOffset(Rectangle2D r) {
+ switch (horizontalAlignment) {
+ case 0: return 0; // Leading
+ case 1: return -r.getWidth(); // Trailing
+ case 2: return -r.getCenterX(); // Center
+ default: return 0;
+ }
+ }
+
+ protected double getVerticalAlignOffset() {
+ FontMetrics fm = fontMetrics;
+ if (fm == null)
+ return 0;
+ switch (verticalAlignment) {
+ case 0: return fm.getMaxAscent(); // Leading=top=maxascent
+ case 1: return -fm.getMaxDescent(); // Trailing=bottom=maxdescent
+ case 2: return fm.getMaxAscent() / 2; // Center=maxascent / 2
+ case 3: return 0;
+ default: return 0;
+ }
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ // LEGACY CODE ENDS
+ ///////////////////////////////////////////////////////////////////////////
+
+}