-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.diagram.elements;\r
-\r
-import java.awt.BasicStroke;\r
-import java.awt.Color;\r
-import java.awt.Font;\r
-import java.awt.FontMetrics;\r
-import java.awt.Graphics2D;\r
-import java.awt.Rectangle;\r
-import java.awt.Shape;\r
-import java.awt.geom.AffineTransform;\r
-import java.awt.geom.Path2D;\r
-import java.awt.geom.Point2D;\r
-import java.awt.geom.Rectangle2D;\r
-import java.util.EnumSet;\r
-import java.util.Map;\r
-\r
-import javax.vecmath.Vector2d;\r
-\r
-import org.simantics.db.layer0.variable.RVI;\r
-import org.simantics.g2d.diagram.IDiagram;\r
-import org.simantics.g2d.element.ElementClass;\r
-import org.simantics.g2d.element.ElementHints;\r
-import org.simantics.g2d.element.ElementUtils;\r
-import org.simantics.g2d.element.IElement;\r
-import org.simantics.g2d.element.SceneGraphNodeKey;\r
-import org.simantics.g2d.element.handler.ElementHandler;\r
-import org.simantics.g2d.element.handler.FillColor;\r
-import org.simantics.g2d.element.handler.InternalSize;\r
-import org.simantics.g2d.element.handler.LifeCycle;\r
-import org.simantics.g2d.element.handler.Move;\r
-import org.simantics.g2d.element.handler.Outline;\r
-import org.simantics.g2d.element.handler.Rotate;\r
-import org.simantics.g2d.element.handler.Scale;\r
-import org.simantics.g2d.element.handler.SceneGraph;\r
-import org.simantics.g2d.element.handler.StaticSymbol;\r
-import org.simantics.g2d.element.handler.Text;\r
-import org.simantics.g2d.element.handler.TextEditor;\r
-import org.simantics.g2d.element.handler.TextEditor.Modifier;\r
-import org.simantics.g2d.element.handler.Transform;\r
-import org.simantics.g2d.element.handler.impl.BorderColorImpl;\r
-import org.simantics.g2d.element.handler.impl.FillColorImpl;\r
-import org.simantics.g2d.element.handler.impl.ParentImpl;\r
-import org.simantics.g2d.element.handler.impl.SimpleElementLayers;\r
-import org.simantics.g2d.element.handler.impl.StaticSymbolImpl;\r
-import org.simantics.g2d.element.handler.impl.TextColorImpl;\r
-import org.simantics.g2d.element.handler.impl.TextEditorImpl;\r
-import org.simantics.g2d.element.handler.impl.TextFontImpl;\r
-import org.simantics.g2d.element.handler.impl.TextImpl;\r
-import org.simantics.g2d.elementclass.MonitorHandler;\r
-import org.simantics.g2d.image.Image;\r
-import org.simantics.g2d.image.ProviderUtils;\r
-import org.simantics.g2d.image.impl.AbstractImage;\r
-import org.simantics.g2d.utils.Alignment;\r
-import org.simantics.scenegraph.Node;\r
-import org.simantics.scenegraph.g2d.G2DParentNode;\r
-import org.simantics.scenegraph.g2d.nodes.ShapeNode;\r
-import org.simantics.scl.runtime.function.Function1;\r
-import org.simantics.utils.datastructures.cache.IFactory;\r
-import org.simantics.utils.datastructures.cache.IProvider;\r
-import org.simantics.utils.datastructures.cache.ProvisionException;\r
-import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
-import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
-import org.simantics.utils.strings.format.MetricsFormat;\r
-import org.simantics.utils.strings.format.MetricsFormatList;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class MonitorClass {\r
-\r
- static final Font FONT = Font.decode("Helvetica 12");\r
-\r
- /**\r
- * Back-end specific object describing the monitored component.\r
- */\r
- public static final Key KEY_MONITOR_COMPONENT = new KeyOf(Object.class, "MONITOR_COMPONENT");\r
-\r
- /**\r
- * Existence of this hint indicates that the monitor is showing a value that\r
- * does not originate from the owner diagram.\r
- */\r
- public static final Key KEY_MONITOR_IS_EXTERNAL = new KeyOf(Boolean.class, "MONITOR_IS_EXTERNAL");\r
-\r
- /**\r
- * The valuation suffix string describing the monitored variable of the\r
- * component described by {@link #KEY_MONITOR_COMPONENT}.\r
- */\r
- public static final Key KEY_MONITOR_SUFFIX = new KeyOf(String.class, "MONITOR_SUFFIX");\r
-\r
- public static final Key KEY_MONITOR_SUBSTITUTIONS = new KeyOf(Map.class, "MONITOR_SUBSTITUTIONS");\r
- public static final Key KEY_MONITOR_GC = new KeyOf(Graphics2D.class, "MONITOR_GC");\r
- public static final Key KEY_MONITOR_HEIGHT = new KeyOf(Double.class, "MONITOR_HEIGHT");\r
- public static final Key KEY_NUMBER_FORMAT = new KeyOf(MetricsFormat.class, "NUMBER_FORMAT");\r
- public static final Key KEY_TOOLTIP_TEXT = new KeyOf(String.class, "TOOLTIP_TEXT");\r
-\r
- public static final Key KEY_EXPRESSION = new KeyOf(String.class, "EXPRESSION");\r
- public static final Key KEY_INPUT_VALIDATOR = new KeyOf(Object.class, "INPUT_VALIDATOR");\r
- public static final Key KEY_RVI = new KeyOf(RVI.class, "RVI");\r
-\r
- /**\r
- * If this hint is defined, the monitor will force its x-axis to match this\r
- * angle. If this hint doesn't exist, the monitor will not force x-axis\r
- * orientation.\r
- */\r
- public static final Key KEY_DIRECTION = new KeyOf(Double.class, "MONITOR_DIRECTION");\r
-\r
- public static final Key KEY_BORDER_WIDTH = new KeyOf(Double.class, "MONITOR_BORDER");\r
-\r
- public static final Key KEY_SG_NODE = new SceneGraphNodeKey(TextNode.class, "MONITOR_SG_NODE");\r
- public static final Key KEY_SG_NODE2 = new SceneGraphNodeKey(ShapeNode.class, "MONITOR_SG_NODE2");\r
-\r
- final static BasicStroke STROKE = new BasicStroke(1.0f);\r
-\r
- public final static Alignment DEFAULT_HORIZONTAL_ALIGN = Alignment.CENTER;\r
- public final static Alignment DEFAULT_VERTICAL_ALIGN = Alignment.CENTER;\r
- public final static MetricsFormat DEFAULT_NUMBER_FORMAT = MetricsFormatList.METRICS_DECIMAL;\r
-\r
- public final static Color DEFAULT_FILL_COLOR = new Color(224, 224, 224);\r
- public final static Color DEFAULT_BORDER_COLOR = Color.BLACK;\r
-\r
- public final static double DEFAULT_HORIZONTAL_MARGIN = 5.0;\r
- public final static double DEFAULT_VERTICAL_MARGIN = 2.5;\r
-\r
- static Alignment getHorizontalAlignment(IElement e) {\r
- return ElementUtils.getHintOrDefault(e, ElementHints.KEY_HORIZONTAL_ALIGN, DEFAULT_HORIZONTAL_ALIGN);\r
- }\r
-\r
- static Alignment getVerticalAlignment(IElement e) {\r
- return ElementUtils.getHintOrDefault(e, ElementHints.KEY_VERTICAL_ALIGN, DEFAULT_VERTICAL_ALIGN);\r
- }\r
-\r
- static MetricsFormat getNumberFormat(IElement e) {\r
- return ElementUtils.getHintOrDefault(e, KEY_NUMBER_FORMAT, DEFAULT_NUMBER_FORMAT);\r
- }\r
-\r
- static void setNumberFormat(IElement e, MetricsFormat f) {\r
- ElementUtils.setOrRemoveHint(e, KEY_NUMBER_FORMAT, f);\r
- }\r
-\r
- static double getHorizontalMargin(IElement e) {\r
- return DEFAULT_HORIZONTAL_MARGIN;\r
- }\r
-\r
- static double getVerticalMargin(IElement e) {\r
- return DEFAULT_VERTICAL_MARGIN;\r
- }\r
-\r
- static Font getFont(IElement e) {\r
- return ElementUtils.getHintOrDefault(e, ElementHints.KEY_FONT, FONT);\r
- }\r
-\r
- public static class MonitorHandlerImpl implements MonitorHandler {\r
- private static final long serialVersionUID = -4258875745321808416L;\r
- public static final MonitorHandler INSTANCE = new MonitorHandlerImpl();\r
- }\r
-\r
- static class Initializer implements LifeCycle {\r
- private static final long serialVersionUID = 4404942036933073584L;\r
-\r
- IElement parentElement;\r
- Map<String, String> substitutions;\r
- Object component;\r
- String suffix;\r
- boolean hack;\r
-\r
- Initializer(IElement parentElement, Map<String, String> substitutions, Object component, String suffix, boolean hack) {\r
- this.parentElement = parentElement;\r
- this.substitutions = substitutions;\r
- this.component = component;\r
- this.suffix = suffix;\r
- this.hack = hack;\r
- }\r
-\r
- @Override\r
- public void onElementActivated(IDiagram d, IElement e) {\r
- if(!hack) {\r
- hack = true;\r
-\r
- Point2D parentPos = ElementUtils.getPos(parentElement);\r
- Point2D thisPos = ElementUtils.getPos(e);\r
-\r
- Move move = e.getElementClass().getSingleItem(Move.class);\r
- move.moveTo(e, thisPos.getX() - parentPos.getX(), thisPos.getY() - parentPos.getY());\r
- }\r
- }\r
- @Override\r
- public void onElementCreated(IElement e) {\r
- if(parentElement != null) e.setHint(ElementHints.KEY_PARENT_ELEMENT, parentElement);\r
- if(substitutions != null) e.setHint(KEY_MONITOR_SUBSTITUTIONS, substitutions);\r
- if(component != null) e.setHint(KEY_MONITOR_COMPONENT, component);\r
- if(suffix != null) e.setHint(KEY_MONITOR_SUFFIX, suffix);\r
- e.setHint(KEY_DIRECTION, 0.0);\r
- e.setHint(KEY_NUMBER_FORMAT, DEFAULT_NUMBER_FORMAT);\r
- //e.setHint(KEY_HORIZONTAL_ALIGN, Alignment.LEADING);\r
- //e.setHint(KEY_VERTICAL_ALIGN, Alignment.LEADING);\r
- }\r
-\r
- @Override\r
- public void onElementDestroyed(IElement e) {\r
- }\r
-\r
- @Override\r
- public void onElementDeactivated(IDiagram d, IElement e) {\r
- }\r
- };\r
-\r
- static String finalText(IElement e) {\r
- String text = e.getElementClass().getSingleItem(Text.class).getText(e);\r
- if (text == null)\r
- return null;\r
- return substitute(text, e);\r
- }\r
-\r
- public static String editText(IElement e) {\r
- return substitute("#v1", e);\r
- }\r
-\r
- private static String formValue(IElement e) {\r
- // TODO: consider using substitute\r
- Map<String, String> substitutions = e.getHint(KEY_MONITOR_SUBSTITUTIONS);\r
- if (substitutions != null) {\r
- String value = substitutions.get("#v1");\r
- if (substitutions.containsKey("#u1") && substitutions.get("#u1").length() > 0) {\r
- value += " " + substitutions.get("#u1");\r
- }\r
- return value;\r
- } else {\r
- return ElementUtils.getText(e);\r
- }\r
- }\r
-\r
- static String substitute(String text, IElement e) {\r
- Map<String, String> substitutions = e.getHint(KEY_MONITOR_SUBSTITUTIONS);\r
- return substitute(text, substitutions);\r
- }\r
-\r
- static String substitute(String text, Map<String, String> substitutions) {\r
- if (substitutions != null) {\r
- // TODO: slow as hell\r
- for(Map.Entry<String, String> entry : substitutions.entrySet()) {\r
- if (entry.getValue() != null) {\r
- text = text.replace(entry.getKey(), entry.getValue());\r
- } else {\r
- text = text.replace(entry.getKey(), "<null>");\r
- }\r
- }\r
- }\r
- return text;\r
- }\r
-\r
- public static void update(IElement e) {\r
- MonitorSGNode node = e.getElementClass().getSingleItem(MonitorSGNode.class);\r
- node.update(e);\r
- }\r
-\r
- public static void cleanup(IElement e) {\r
- MonitorSGNode node = e.getElementClass().getSingleItem(MonitorSGNode.class);\r
- node.cleanup(e);\r
- }\r
-\r
- public static boolean hasModifier(IElement e) { \r
- TextEditor editor = e.getElementClass().getAtMostOneItemOfClass(TextEditor.class);\r
- Modifier modifier = editor != null ? editor.getModifier(e) : null;\r
- return modifier != null;\r
- }\r
-\r
- static final Rectangle2D DEFAULT_BOX = new Rectangle2D.Double(0, 0, 0, 0);\r
-\r
- static Shape createMonitor(IElement e) {\r
- Alignment hAlign = getHorizontalAlignment(e);\r
- Alignment vAlign = getVerticalAlignment(e);\r
- double hMargin = getHorizontalMargin(e);\r
- double vMargin = getVerticalMargin(e);\r
-\r
- String text = finalText(e);\r
- if(text == null) {\r
- return align(hMargin, vMargin, hAlign, vAlign, DEFAULT_BOX);\r
- }\r
-\r
- Graphics2D g = e.getHint(KEY_MONITOR_GC);\r
- if(g == null) {\r
- return align(hMargin, vMargin, hAlign, vAlign, DEFAULT_BOX);\r
- }\r
-\r
- Font f = getFont(e);\r
- FontMetrics fm = g.getFontMetrics(f);\r
- Rectangle2D rect = fm.getStringBounds(text, g);\r
-\r
- return align(hMargin, vMargin, hAlign, vAlign, rect);\r
- }\r
-\r
- static Shape align(double hMargin, double vMargin, Alignment hAlign, Alignment vAlign, Rectangle2D rect) {\r
- //System.out.println("align: " + hMargin + ", " + vMargin + ", " + hAlign + ", " + vAlign + ": " + rect);\r
- double tx = align(hMargin, hAlign, rect.getMinX(), rect.getMaxX());\r
- double ty = align(vMargin, vAlign, rect.getMinY(), rect.getMaxY());\r
- //System.out.println(" translate: " + tx + " " + ty);\r
- double nw = rect.getWidth() + 2*hMargin;\r
- double nh = rect.getHeight() + 2*vMargin;\r
- return makePath(tx + rect.getMinX(), ty + rect.getMinY(), nw, nh);\r
- }\r
-\r
- static double align(double margin, Alignment align, double min, double max) {\r
- double s = max - min;\r
- switch (align) {\r
- case LEADING:\r
- return -min;\r
- case TRAILING:\r
- return -s - 2 * margin - min;\r
- case CENTER:\r
- return -0.5 * s - margin - min;\r
- default:\r
- return 0;\r
- }\r
- }\r
-\r
- static Path2D makePath(double x, double y, double w, double h) {\r
- Path2D path = new Path2D.Double();\r
- path.moveTo(x, y);\r
- path.lineTo(x+w, y);\r
- path.lineTo(x+w, y+h);\r
- path.lineTo(x, y+h);\r
- path.closePath();\r
- return path;\r
- }\r
-\r
- public static final Shape BOX_SHAPE = new Rectangle(-1, -1, 2, 2);\r
-\r
- public static class MonitorSGNode implements SceneGraph, InternalSize, Outline {\r
- private static final long serialVersionUID = -106278359626957687L;\r
-\r
- static final MonitorSGNode INSTANCE = new MonitorSGNode();\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public void init(final IElement e, final G2DParentNode parent) {\r
- // Create node if it doesn't exist yet\r
- TextNode node = e.getHint(KEY_SG_NODE);\r
- String nodeId = null;\r
- if(node == null || node.getBounds() == null || node.getParent() != parent) {\r
- nodeId = ElementUtils.generateNodeId(e);\r
- node = parent.addNode(nodeId, TextNode.class);\r
- e.setHint(KEY_SG_NODE, node);\r
-\r
- node.setTextListener(new ITextListener() {\r
-\r
- @Override\r
- public void textChanged() {}\r
-\r
- @Override\r
- public void textEditingStarted() {}\r
-\r
- @Override\r
- public void textEditingCancelled() {}\r
-\r
- boolean isEndingEdit = false;\r
-\r
- @Override\r
- public void textEditingEnded() {\r
- TextNode node = e.getHint(KEY_SG_NODE);\r
- if (node == null)\r
- return;\r
-\r
- // Prevent recursive execution which will happen\r
- // due to the endEdit(node) invocation at the end.\r
- if (isEndingEdit)\r
- return;\r
- isEndingEdit = true;\r
-\r
- try {\r
- TextEditor editor = e.getElementClass().getAtMostOneItemOfClass(TextEditor.class);\r
- if (editor != null) {\r
- Modifier modifier = editor.getModifier(e);\r
- if (modifier != null) {\r
- String newValue = node.getText();\r
- String error = modifier.isValid(e, newValue);\r
- if (error == null) {\r
- // Only modify if the modification was not\r
- // cancelled and the value is valid.\r
- modifier.modify(e, newValue);\r
- } else {\r
- // TODO: show error somehow, possibly through status bar\r
-\r
- // Make sure that the monitor content gets\r
- // reset to its previous value.\r
- node.setText(formValue(e));\r
- }\r
- }\r
- }\r
- } finally {\r
- isEndingEdit = false;\r
- }\r
- }\r
- });\r
-\r
- Object validator = e.getHint(KEY_INPUT_VALIDATOR);\r
- if(validator != null) {\r
- node.setValidator((Function1<String, String>)validator);\r
- }\r
- \r
- RVI rvi = e.getHint(KEY_RVI);\r
- if(rvi != null) {\r
- node.setRVI(rvi);\r
- }\r
-\r
- Double border_width = (Double)e.getHint(KEY_BORDER_WIDTH);\r
- if(border_width == null) border_width = 0.1;\r
-\r
- node.setBorderWidth(border_width);\r
-\r
-// Rectangle2D bounds = (Rectangle2D)e.getHint(ElementHints.KEY_BOUNDS);\r
-// if(bounds != null) node.setBounds(bounds);\r
- Font font = ElementUtils.getTextFont(e);\r
- Color color = ElementUtils.getTextColor(e);\r
- String text = ElementUtils.getText(e);\r
- node.init(text, font, color, 0, 0, 1.0);\r
- }\r
-\r
- Boolean isExternal = e.getHint(KEY_MONITOR_IS_EXTERNAL);\r
- if (Boolean.TRUE.equals(isExternal)) {\r
- ShapeNode shape = e.getHint(KEY_SG_NODE2);\r
- if (shape == null || shape.getParent() != parent) {\r
- if (nodeId == null)\r
- nodeId = ElementUtils.generateNodeId(e);\r
- nodeId += "-ext";\r
- shape = parent.addNode(nodeId, ShapeNode.class);\r
- shape.setZIndex(-1);\r
- shape.setColor(Color.BLACK);\r
- shape.setFill(true);\r
- shape.setStroke(null);\r
- shape.setShape( arrow(4, 2, 0) );\r
- e.setHint(KEY_SG_NODE2, shape);\r
- }\r
- } else {\r
- ShapeNode shape = e.getHint(KEY_SG_NODE2);\r
- if (shape != null)\r
- shape.remove();\r
- }\r
-\r
- update(e);\r
- }\r
-\r
- public void update(IElement e) {\r
- String value = null;\r
-\r
- final Text t = e.getElementClass().getAtMostOneItemOfClass(Text.class);\r
- assert(t != null);\r
-\r
- value = formValue(e);\r
-\r
- TextNode node = (TextNode) e.getHint(KEY_SG_NODE);\r
- if (node != null && value != null) {\r
-\r
- node.setText(value);\r
- Object component = e.getHint(KEY_MONITOR_COMPONENT);\r
- if (component != null && hasModifier(e)) {\r
- node.setEditable(true);\r
- } else {\r
- node.setEditable(false);\r
- }\r
-\r
- // FIXME: set only if changed .. (but quickfix is not to clone)\r
- Font font = ElementUtils.getTextFont(e);\r
- if (node.getFont() != font) { // Don't update if we have a same object\r
- node.setFont(font);\r
- }\r
- Color color = ElementUtils.getTextColor(e);\r
- node.setColor(new Color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()));\r
-\r
- AffineTransform at = ElementUtils.getTransform(e);\r
- if(at != null)\r
- node.setTransform(at);\r
-\r
- Alignment halign = e.getHint(ElementHints.KEY_HORIZONTAL_ALIGN);\r
- if (halign != null)\r
- node.setHorizontalAlignment((byte) halign.ordinal());\r
- Alignment valign = e.getHint(ElementHints.KEY_VERTICAL_ALIGN);\r
- if (valign != null)\r
- node.setVerticalAlignment((byte) valign.ordinal());\r
-\r
-// String tt = (String) e.getHint(KEY_TOOLTIP_TEXT);\r
-// if (tt != null)\r
-// node.setToolTipText(new String(tt));\r
-\r
- ShapeNode shape = e.getHint(KEY_SG_NODE2);\r
- if (shape != null) {\r
- AffineTransform at2 = new AffineTransform(at);\r
- Rectangle2D bounds = node.getBoundsInLocal();\r
- at2.translate(bounds.getMinX(), bounds.getCenterY());\r
- shape.setTransform(at2);\r
- }\r
- }\r
- }\r
-\r
- @Override\r
- public void cleanup(IElement e) {\r
- TextNode node = (TextNode)e.removeHint(KEY_SG_NODE);\r
- if (node != null)\r
- node.remove();\r
- }\r
-\r
- @Override\r
- public Rectangle2D getBounds(IElement e, Rectangle2D size) {\r
- TextNode node = (TextNode)e.getHint(KEY_SG_NODE);\r
- if (node != null) {\r
- Rectangle2D bounds = node.getBoundsInLocal();\r
- if (bounds != null) {\r
- if (size == null)\r
- size = new Rectangle2D.Double(0, 0, 0, 0);\r
- size.setRect(bounds);\r
- }\r
- }\r
- return size;\r
- }\r
-\r
- @Override\r
- public Shape getElementShape(IElement e) {\r
- Shape shape = new Rectangle2D.Double(0, 0, 0, 0);\r
-\r
- TextNode node = (TextNode)e.getHint(KEY_SG_NODE);\r
- if(node != null && node.getBoundsInLocal() != null) {\r
- shape = node.getBoundsInLocal();\r
- }\r
-\r
- return shape;\r
- }\r
-\r
- }\r
-\r
- public static class Transformer implements Transform, Move, Rotate, Scale, LifeCycle {\r
-\r
- private static final long serialVersionUID = -3704887325602085677L;\r
-\r
- public static final Transformer INSTANCE = new Transformer(null);\r
-\r
- Double aspectRatio;\r
-\r
- public Transformer() {\r
- this(null);\r
- }\r
-\r
- public Transformer(Double aspectRatio) {\r
- this.aspectRatio = aspectRatio;\r
- }\r
-\r
- @Override\r
- public Double getFixedAspectRatio(IElement e) {\r
- return aspectRatio;\r
- }\r
-\r
- @Override\r
- public Point2D getScale(IElement e) {\r
- AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
- return _getScale(at);\r
- }\r
-\r
- @Override\r
- public void setScale(IElement e, Point2D newScale) {\r
- // Doesn't work for monitors.\r
- Point2D oldScale = getScale(e);\r
- double sx = newScale.getX() / oldScale.getX();\r
- double sy = newScale.getY() / oldScale.getY();\r
- AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
- at = new AffineTransform(at);\r
- at.scale(sx, sy);\r
- e.setHint(ElementHints.KEY_TRANSFORM, at);\r
- }\r
-\r
- @Override\r
- public Point2D getMaximumScale(IElement e) {\r
- return null;\r
- }\r
-\r
- @Override\r
- public Point2D getMinimumScale(IElement e) {\r
- return null;\r
- }\r
-\r
- private static Point2D _getScale(AffineTransform at) {\r
- double m00 = at.getScaleX();\r
- double m11 = at.getScaleY();\r
- double m10 = at.getShearY();\r
- double m01 = at.getShearX();\r
- // Project unit vector to canvas\r
- double sx = Math.sqrt(m00 * m00 + m10 * m10);\r
- double sy = Math.sqrt(m01 * m01 + m11 * m11);\r
- return new Point2D.Double(sx, sy);\r
- }\r
-\r
- @Override\r
- public void rotate(IElement e, double theta, Point2D origin) {\r
- if (Double.isNaN(theta)) return;\r
- theta = Math.toDegrees(theta);\r
- Double angle = e.getHint(KEY_DIRECTION);\r
- double newAngle = angle != null ? angle+theta : theta;\r
- newAngle = Math.IEEEremainder(newAngle, 360.0);\r
- e.setHint(KEY_DIRECTION, newAngle);\r
- }\r
-\r
- @Override\r
- public double getAngle(IElement e) {\r
- Double angle = e.getHint(KEY_DIRECTION);\r
- return angle != null ? Math.toRadians(angle) : 0;\r
- }\r
- @Override\r
- public Point2D getPosition(IElement e) {\r
- AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
- Point2D p = new Point2D.Double(at.getTranslateX(), at.getTranslateY());\r
- return p;\r
- }\r
-\r
- @Override\r
- public void moveTo(IElement e, double x, double y) {\r
- AffineTransform origAt = e.getHint(ElementHints.KEY_TRANSFORM);\r
-\r
- AffineTransform result = new AffineTransform(origAt);\r
- result.preConcatenate(AffineTransform.getTranslateInstance(x - origAt.getTranslateX(), y - origAt.getTranslateY()));\r
- e.setHint(ElementHints.KEY_TRANSFORM, result);\r
- }\r
-\r
- @Override\r
- public AffineTransform getTransform(IElement e) {\r
- AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
-\r
- IElement parentElement = e.getHint(ElementHints.KEY_PARENT_ELEMENT);\r
- if (parentElement == null)\r
- return at;\r
-\r
- Transform parentTransform = parentElement.getElementClass().getSingleItem(Transform.class);\r
- assert(parentTransform!=null);\r
-\r
- AffineTransform result = (AffineTransform)at.clone();\r
- AffineTransform parentAT = parentTransform.getTransform(parentElement);\r
- result.preConcatenate(AffineTransform.getTranslateInstance(parentAT.getTranslateX(), parentAT.getTranslateY()));\r
-\r
- return result;\r
- }\r
-\r
- @Override\r
- public void setTransform(IElement e, AffineTransform at) {\r
- e.setHint(ElementHints.KEY_TRANSFORM, at.clone());\r
- }\r
-\r
- @Override\r
- public void onElementActivated(IDiagram d, IElement e) {\r
- }\r
-\r
- @Override\r
- public void onElementCreated(IElement e) {\r
- e.setHint(ElementHints.KEY_TRANSFORM, new AffineTransform());\r
- }\r
-\r
- @Override\r
- public void onElementDeactivated(IDiagram d, IElement e) {\r
- }\r
-\r
- @Override\r
- public void onElementDestroyed(IElement e) {\r
-// List<SceneGraph> nodeHandlers = e.getElementClass().getItemsByClass(SceneGraph.class);\r
-// for(SceneGraph n : nodeHandlers) {\r
-// System.out.println("element gone:"+e);\r
-// n.cleanup(e);\r
-// }\r
- }\r
- }\r
-\r
- static double getOrientationDelta(IElement e, AffineTransform tr) {\r
- Double angle = e.getHint(KEY_DIRECTION);\r
- if (angle == null || Double.isNaN(angle))\r
- return Double.NaN;\r
- double angrad = Math.toRadians(angle);\r
-\r
- Vector2d forcedAxis = new Vector2d(Math.cos(angrad), Math.sin(angrad));\r
- Vector2d x = new Vector2d(tr.getScaleX(), tr.getShearX());\r
- forcedAxis.normalize();\r
- x.normalize();\r
- double cosa = forcedAxis.dot(x);\r
- double delta = Math.acos(cosa);\r
- return delta;\r
- }\r
-\r
- static class MonitorImageFactory implements IFactory<Image> {\r
- private double staticScaleX = 1, staticScaleY = 1;\r
-\r
- public MonitorImageFactory(double staticScaleX, double staticScaleY) {\r
- this.staticScaleX = staticScaleX;\r
- this.staticScaleY = staticScaleY;\r
- }\r
-\r
- @Override\r
- public Image get() throws ProvisionException {\r
- return new Img();\r
- }\r
-\r
- public class Img extends AbstractImage {\r
-\r
- Shape path = align(DEFAULT_HORIZONTAL_MARGIN, DEFAULT_VERTICAL_MARGIN, DEFAULT_HORIZONTAL_ALIGN, DEFAULT_VERTICAL_ALIGN,\r
- new Rectangle2D.Double(0, 0, 50*staticScaleX, 22*staticScaleY));\r
-\r
- @Override\r
- public int hashCode() {\r
- long temp = Double.doubleToLongBits(staticScaleX);\r
- int result = (int) (temp ^ (temp >>> 32));\r
- temp = Double.doubleToLongBits(staticScaleY);\r
- result = 31 * result + (int) (temp ^ (temp >>> 32));\r
- return result;\r
- }\r
-\r
- @Override\r
- public boolean equals(Object obj) {\r
- if (this == obj)\r
- return true;\r
- if (obj == null)\r
- return false;\r
- if (getClass() != obj.getClass())\r
- return false;\r
- MonitorImageFactory other = (MonitorImageFactory) obj;\r
- return Double.doubleToLongBits(staticScaleX) == Double.doubleToLongBits(other.staticScaleX)\r
- && Double.doubleToLongBits(staticScaleY) != Double.doubleToLongBits(other.staticScaleY);\r
- }\r
-\r
- @Override\r
- public Rectangle2D getBounds() {\r
- return path.getBounds2D();\r
- }\r
-\r
- @Override\r
- public EnumSet<Feature> getFeatures() {\r
- return EnumSet.of(Feature.Vector);\r
- }\r
-\r
- @Override\r
- public Shape getOutline() {\r
- return path;\r
- }\r
-\r
- @Override\r
- public Node init(G2DParentNode parent) {\r
- TextNode node = parent.getOrCreateNode(""+hashCode(), TextNode.class);\r
- node.init("Drop Me", FONT, Color.BLACK, 0, 0, 0.2);\r
- //node.setSize(50, 22);\r
- node.setBorderWidth(1);\r
- node.setTransform(AffineTransform.getScaleInstance(staticScaleX, staticScaleY));\r
- node.setEditable(false);\r
- return node;\r
- }\r
- };\r
- }\r
-\r
- static final IProvider<Image> MONITOR_IMAGE =\r
- ProviderUtils.reference(\r
- ProviderUtils.cache(\r
- ProviderUtils.rasterize(\r
- new MonitorImageFactory(0.5, 0.5)\r
- )));\r
-\r
- static final StaticSymbol MONITOR_SYMBOL = new StaticSymbolImpl( MONITOR_IMAGE.get() );\r
-\r
- static final FillColor FILL_COLOR = new FillColorImpl(DEFAULT_FILL_COLOR);\r
-\r
- static final ElementClass MONITOR_CLASS_BASE =\r
- ElementClass.compile(\r
- MonitorHandlerImpl.INSTANCE,\r
- Transformer.INSTANCE,\r
- BorderColorImpl.BLACK,\r
- FILL_COLOR,\r
- MonitorSGNode.INSTANCE,\r
-// ClickableImpl.INSTANCE,\r
- TextImpl.INSTANCE,\r
- TextEditorImpl.INSTANCE,\r
- TextFontImpl.DEFAULT,\r
- TextColorImpl.BLACK,\r
- SimpleElementLayers.INSTANCE,\r
- ParentImpl.INSTANCE\r
- );\r
-\r
- // staticScale{X,Y} define the scale of the static monitor image\r
- public static ElementClass create(double staticScaleX, double staticScaleY, ElementHandler... extraHandlers) {\r
- // Bit of a hack to be able to define the scale\r
- IProvider<Image> staticMonitorSymbolProvider = ProviderUtils.reference(\r
- ProviderUtils.cache(\r
- ProviderUtils\r
- .rasterize(\r
- new MonitorImageFactory(staticScaleX, staticScaleY))));\r
- StaticSymbol staticMonitorSymbol = new StaticSymbolImpl( staticMonitorSymbolProvider.get() );\r
- return MONITOR_CLASS_BASE.newClassWith(staticMonitorSymbol).newClassWith(extraHandlers);\r
- }\r
-\r
- // staticScale{X,Y} define the scale of the static monitor image\r
- public static ElementClass create(IElement parentElement, Map<String, String> substitutions, Object component, String suffix, double staticScaleX, double staticScaleY, ElementHandler... extraHandlers) {\r
- return create(staticScaleX, staticScaleY, extraHandlers)\r
- .newClassWith(\r
- new Initializer(parentElement, substitutions, component,\r
- suffix, parentElement != null ? false : true));\r
- }\r
-\r
- public static Shape arrow(double length, double width, double space) {\r
- Path2D.Double path = new Path2D.Double();\r
- path.moveTo(-space, 0);\r
- path.lineTo(-length - space, -width);\r
- path.lineTo(-length - space, +width);\r
- path.closePath();\r
- return path;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * 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.BasicStroke;
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+import java.awt.Shape;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Path2D;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.util.EnumSet;
+import java.util.Map;
+
+import org.apache.commons.math3.geometry.euclidean.twod.Vector2D;
+import org.simantics.db.layer0.variable.RVI;
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.g2d.element.ElementClass;
+import org.simantics.g2d.element.ElementHints;
+import org.simantics.g2d.element.ElementUtils;
+import org.simantics.g2d.element.IElement;
+import org.simantics.g2d.element.SceneGraphNodeKey;
+import org.simantics.g2d.element.handler.ElementHandler;
+import org.simantics.g2d.element.handler.FillColor;
+import org.simantics.g2d.element.handler.InternalSize;
+import org.simantics.g2d.element.handler.LifeCycle;
+import org.simantics.g2d.element.handler.Move;
+import org.simantics.g2d.element.handler.Outline;
+import org.simantics.g2d.element.handler.Rotate;
+import org.simantics.g2d.element.handler.Scale;
+import org.simantics.g2d.element.handler.SceneGraph;
+import org.simantics.g2d.element.handler.StaticSymbol;
+import org.simantics.g2d.element.handler.Text;
+import org.simantics.g2d.element.handler.TextEditor;
+import org.simantics.g2d.element.handler.TextEditor.Modifier;
+import org.simantics.g2d.element.handler.Transform;
+import org.simantics.g2d.element.handler.impl.BorderColorImpl;
+import org.simantics.g2d.element.handler.impl.FillColorImpl;
+import org.simantics.g2d.element.handler.impl.ParentImpl;
+import org.simantics.g2d.element.handler.impl.SimpleElementLayers;
+import org.simantics.g2d.element.handler.impl.StaticSymbolImpl;
+import org.simantics.g2d.element.handler.impl.TextColorImpl;
+import org.simantics.g2d.element.handler.impl.TextEditorImpl;
+import org.simantics.g2d.element.handler.impl.TextFontImpl;
+import org.simantics.g2d.element.handler.impl.TextImpl;
+import org.simantics.g2d.elementclass.MonitorHandler;
+import org.simantics.g2d.image.Image;
+import org.simantics.g2d.image.ProviderUtils;
+import org.simantics.g2d.image.impl.AbstractImage;
+import org.simantics.g2d.utils.Alignment;
+import org.simantics.scenegraph.Node;
+import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.scenegraph.g2d.nodes.ShapeNode;
+import org.simantics.scl.runtime.function.Function1;
+import org.simantics.utils.datastructures.cache.IFactory;
+import org.simantics.utils.datastructures.cache.IProvider;
+import org.simantics.utils.datastructures.cache.ProvisionException;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
+import org.simantics.utils.strings.format.MetricsFormat;
+import org.simantics.utils.strings.format.MetricsFormatList;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class MonitorClass {
+
+ static final Font FONT = Font.decode("Helvetica 12");
+
+ /**
+ * Back-end specific object describing the monitored component.
+ */
+ public static final Key KEY_MONITOR_COMPONENT = new KeyOf(Object.class, "MONITOR_COMPONENT");
+
+ /**
+ * Existence of this hint indicates that the monitor is showing a value that
+ * does not originate from the owner diagram.
+ */
+ public static final Key KEY_MONITOR_IS_EXTERNAL = new KeyOf(Boolean.class, "MONITOR_IS_EXTERNAL");
+
+ /**
+ * The valuation suffix string describing the monitored variable of the
+ * component described by {@link #KEY_MONITOR_COMPONENT}.
+ */
+ public static final Key KEY_MONITOR_SUFFIX = new KeyOf(String.class, "MONITOR_SUFFIX");
+
+ public static final Key KEY_MONITOR_SUBSTITUTIONS = new KeyOf(Map.class, "MONITOR_SUBSTITUTIONS");
+ public static final Key KEY_MONITOR_GC = new KeyOf(Graphics2D.class, "MONITOR_GC");
+ public static final Key KEY_MONITOR_HEIGHT = new KeyOf(Double.class, "MONITOR_HEIGHT");
+ public static final Key KEY_NUMBER_FORMAT = new KeyOf(MetricsFormat.class, "NUMBER_FORMAT");
+ public static final Key KEY_TOOLTIP_TEXT = new KeyOf(String.class, "TOOLTIP_TEXT");
+
+ public static final Key KEY_EXPRESSION = new KeyOf(String.class, "EXPRESSION");
+ public static final Key KEY_INPUT_VALIDATOR = new KeyOf(Object.class, "INPUT_VALIDATOR");
+ public static final Key KEY_RVI = new KeyOf(RVI.class, "RVI");
+
+ /**
+ * If this hint is defined, the monitor will force its x-axis to match this
+ * angle. If this hint doesn't exist, the monitor will not force x-axis
+ * orientation.
+ */
+ public static final Key KEY_DIRECTION = new KeyOf(Double.class, "MONITOR_DIRECTION");
+
+ public static final Key KEY_BORDER_WIDTH = new KeyOf(Double.class, "MONITOR_BORDER");
+
+ public static final Key KEY_SG_NODE = new SceneGraphNodeKey(TextNode.class, "MONITOR_SG_NODE");
+ public static final Key KEY_SG_NODE2 = new SceneGraphNodeKey(ShapeNode.class, "MONITOR_SG_NODE2");
+
+ final static BasicStroke STROKE = new BasicStroke(1.0f);
+
+ public final static Alignment DEFAULT_HORIZONTAL_ALIGN = Alignment.CENTER;
+ public final static Alignment DEFAULT_VERTICAL_ALIGN = Alignment.CENTER;
+ public final static MetricsFormat DEFAULT_NUMBER_FORMAT = MetricsFormatList.METRICS_DECIMAL;
+
+ public final static Color DEFAULT_FILL_COLOR = new Color(224, 224, 224);
+ public final static Color DEFAULT_BORDER_COLOR = Color.BLACK;
+
+ public final static double DEFAULT_HORIZONTAL_MARGIN = 5.0;
+ public final static double DEFAULT_VERTICAL_MARGIN = 2.5;
+
+ static Alignment getHorizontalAlignment(IElement e) {
+ return ElementUtils.getHintOrDefault(e, ElementHints.KEY_HORIZONTAL_ALIGN, DEFAULT_HORIZONTAL_ALIGN);
+ }
+
+ static Alignment getVerticalAlignment(IElement e) {
+ return ElementUtils.getHintOrDefault(e, ElementHints.KEY_VERTICAL_ALIGN, DEFAULT_VERTICAL_ALIGN);
+ }
+
+ static MetricsFormat getNumberFormat(IElement e) {
+ return ElementUtils.getHintOrDefault(e, KEY_NUMBER_FORMAT, DEFAULT_NUMBER_FORMAT);
+ }
+
+ static void setNumberFormat(IElement e, MetricsFormat f) {
+ ElementUtils.setOrRemoveHint(e, KEY_NUMBER_FORMAT, f);
+ }
+
+ static double getHorizontalMargin(IElement e) {
+ return DEFAULT_HORIZONTAL_MARGIN;
+ }
+
+ static double getVerticalMargin(IElement e) {
+ return DEFAULT_VERTICAL_MARGIN;
+ }
+
+ static Font getFont(IElement e) {
+ return ElementUtils.getHintOrDefault(e, ElementHints.KEY_FONT, FONT);
+ }
+
+ public static class MonitorHandlerImpl implements MonitorHandler {
+ private static final long serialVersionUID = -4258875745321808416L;
+ public static final MonitorHandler INSTANCE = new MonitorHandlerImpl();
+ }
+
+ static class Initializer implements LifeCycle {
+ private static final long serialVersionUID = 4404942036933073584L;
+
+ IElement parentElement;
+ Map<String, String> substitutions;
+ Object component;
+ String suffix;
+ boolean hack;
+
+ Initializer(IElement parentElement, Map<String, String> substitutions, Object component, String suffix, boolean hack) {
+ this.parentElement = parentElement;
+ this.substitutions = substitutions;
+ this.component = component;
+ this.suffix = suffix;
+ this.hack = hack;
+ }
+
+ @Override
+ public void onElementActivated(IDiagram d, IElement e) {
+ if(!hack) {
+ hack = true;
+
+ Point2D parentPos = ElementUtils.getPos(parentElement);
+ Point2D thisPos = ElementUtils.getPos(e);
+
+ Move move = e.getElementClass().getSingleItem(Move.class);
+ move.moveTo(e, thisPos.getX() - parentPos.getX(), thisPos.getY() - parentPos.getY());
+ }
+ }
+ @Override
+ public void onElementCreated(IElement e) {
+ if(parentElement != null) e.setHint(ElementHints.KEY_PARENT_ELEMENT, parentElement);
+ if(substitutions != null) e.setHint(KEY_MONITOR_SUBSTITUTIONS, substitutions);
+ if(component != null) e.setHint(KEY_MONITOR_COMPONENT, component);
+ if(suffix != null) e.setHint(KEY_MONITOR_SUFFIX, suffix);
+ e.setHint(KEY_DIRECTION, 0.0);
+ e.setHint(KEY_NUMBER_FORMAT, DEFAULT_NUMBER_FORMAT);
+ //e.setHint(KEY_HORIZONTAL_ALIGN, Alignment.LEADING);
+ //e.setHint(KEY_VERTICAL_ALIGN, Alignment.LEADING);
+ }
+
+ @Override
+ public void onElementDestroyed(IElement e) {
+ }
+
+ @Override
+ public void onElementDeactivated(IDiagram d, IElement e) {
+ }
+ };
+
+ static String finalText(IElement e) {
+ String text = e.getElementClass().getSingleItem(Text.class).getText(e);
+ if (text == null)
+ return null;
+ return substitute(text, e);
+ }
+
+ public static String editText(IElement e) {
+ return substitute("#v1", e);
+ }
+
+ private static String formValue(IElement e) {
+ // TODO: consider using substitute
+ Map<String, String> substitutions = e.getHint(KEY_MONITOR_SUBSTITUTIONS);
+ if (substitutions != null) {
+ String value = substitutions.get("#v1");
+ if (substitutions.containsKey("#u1") && substitutions.get("#u1").length() > 0) {
+ value += " " + substitutions.get("#u1");
+ }
+ return value;
+ } else {
+ return ElementUtils.getText(e);
+ }
+ }
+
+ static String substitute(String text, IElement e) {
+ Map<String, String> substitutions = e.getHint(KEY_MONITOR_SUBSTITUTIONS);
+ return substitute(text, substitutions);
+ }
+
+ static String substitute(String text, Map<String, String> substitutions) {
+ if (substitutions != null) {
+ // TODO: slow as hell
+ for(Map.Entry<String, String> entry : substitutions.entrySet()) {
+ if (entry.getValue() != null) {
+ text = text.replace(entry.getKey(), entry.getValue());
+ } else {
+ text = text.replace(entry.getKey(), "<null>");
+ }
+ }
+ }
+ return text;
+ }
+
+ public static void update(IElement e) {
+ MonitorSGNode node = e.getElementClass().getSingleItem(MonitorSGNode.class);
+ node.update(e);
+ }
+
+ public static void cleanup(IElement e) {
+ MonitorSGNode node = e.getElementClass().getSingleItem(MonitorSGNode.class);
+ node.cleanup(e);
+ }
+
+ public static boolean hasModifier(IElement e) {
+ TextEditor editor = e.getElementClass().getAtMostOneItemOfClass(TextEditor.class);
+ Modifier modifier = editor != null ? editor.getModifier(e) : null;
+ return modifier != null;
+ }
+
+ static final Rectangle2D DEFAULT_BOX = new Rectangle2D.Double(0, 0, 0, 0);
+
+ static Shape createMonitor(IElement e) {
+ Alignment hAlign = getHorizontalAlignment(e);
+ Alignment vAlign = getVerticalAlignment(e);
+ double hMargin = getHorizontalMargin(e);
+ double vMargin = getVerticalMargin(e);
+
+ String text = finalText(e);
+ if(text == null) {
+ return align(hMargin, vMargin, hAlign, vAlign, DEFAULT_BOX);
+ }
+
+ Graphics2D g = e.getHint(KEY_MONITOR_GC);
+ if(g == null) {
+ return align(hMargin, vMargin, hAlign, vAlign, DEFAULT_BOX);
+ }
+
+ Font f = getFont(e);
+ FontMetrics fm = g.getFontMetrics(f);
+ Rectangle2D rect = fm.getStringBounds(text, g);
+
+ return align(hMargin, vMargin, hAlign, vAlign, rect);
+ }
+
+ static Shape align(double hMargin, double vMargin, Alignment hAlign, Alignment vAlign, Rectangle2D rect) {
+ //System.out.println("align: " + hMargin + ", " + vMargin + ", " + hAlign + ", " + vAlign + ": " + rect);
+ double tx = align(hMargin, hAlign, rect.getMinX(), rect.getMaxX());
+ double ty = align(vMargin, vAlign, rect.getMinY(), rect.getMaxY());
+ //System.out.println(" translate: " + tx + " " + ty);
+ double nw = rect.getWidth() + 2*hMargin;
+ double nh = rect.getHeight() + 2*vMargin;
+ return makePath(tx + rect.getMinX(), ty + rect.getMinY(), nw, nh);
+ }
+
+ static double align(double margin, Alignment align, double min, double max) {
+ double s = max - min;
+ switch (align) {
+ case LEADING:
+ return -min;
+ case TRAILING:
+ return -s - 2 * margin - min;
+ case CENTER:
+ return -0.5 * s - margin - min;
+ default:
+ return 0;
+ }
+ }
+
+ static Path2D makePath(double x, double y, double w, double h) {
+ Path2D path = new Path2D.Double();
+ path.moveTo(x, y);
+ path.lineTo(x+w, y);
+ path.lineTo(x+w, y+h);
+ path.lineTo(x, y+h);
+ path.closePath();
+ return path;
+ }
+
+ public static final Shape BOX_SHAPE = new Rectangle(-1, -1, 2, 2);
+
+ public static class MonitorSGNode implements SceneGraph, InternalSize, Outline {
+ private static final long serialVersionUID = -106278359626957687L;
+
+ static final MonitorSGNode INSTANCE = new MonitorSGNode();
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public void init(final IElement e, final G2DParentNode parent) {
+ // Create node if it doesn't exist yet
+ TextNode node = e.getHint(KEY_SG_NODE);
+ String nodeId = null;
+ if(node == null || node.getBounds() == null || node.getParent() != parent) {
+ nodeId = ElementUtils.generateNodeId(e);
+ node = parent.addNode(nodeId, TextNode.class);
+ e.setHint(KEY_SG_NODE, node);
+
+ node.setTextListener(new ITextListener() {
+
+ @Override
+ public void textChanged() {}
+
+ @Override
+ public void textEditingStarted() {}
+
+ @Override
+ public void textEditingCancelled() {}
+
+ boolean isEndingEdit = false;
+
+ @Override
+ public void textEditingEnded() {
+ TextNode node = e.getHint(KEY_SG_NODE);
+ if (node == null)
+ return;
+
+ // Prevent recursive execution which will happen
+ // due to the endEdit(node) invocation at the end.
+ if (isEndingEdit)
+ return;
+ isEndingEdit = true;
+
+ try {
+ TextEditor editor = e.getElementClass().getAtMostOneItemOfClass(TextEditor.class);
+ if (editor != null) {
+ Modifier modifier = editor.getModifier(e);
+ if (modifier != null) {
+ String newValue = node.getText();
+ String error = modifier.isValid(e, newValue);
+ if (error == null) {
+ // Only modify if the modification was not
+ // cancelled and the value is valid.
+ modifier.modify(e, newValue);
+ } else {
+ // TODO: show error somehow, possibly through status bar
+
+ // Make sure that the monitor content gets
+ // reset to its previous value.
+ node.setText(formValue(e));
+ }
+ }
+ }
+ } finally {
+ isEndingEdit = false;
+ }
+ }
+ });
+
+ Object validator = e.getHint(KEY_INPUT_VALIDATOR);
+ if(validator != null) {
+ node.setValidator((Function1<String, String>)validator);
+ }
+
+ RVI rvi = e.getHint(KEY_RVI);
+ if(rvi != null) {
+ node.setRVI(rvi);
+ }
+
+ Double border_width = (Double)e.getHint(KEY_BORDER_WIDTH);
+ if(border_width == null) border_width = 0.1;
+
+ node.setBorderWidth(border_width);
+
+// Rectangle2D bounds = (Rectangle2D)e.getHint(ElementHints.KEY_BOUNDS);
+// if(bounds != null) node.setBounds(bounds);
+ Font font = ElementUtils.getTextFont(e);
+ Color color = ElementUtils.getTextColor(e);
+ String text = ElementUtils.getText(e);
+ node.init(text, font, color, 0, 0, 1.0);
+ }
+
+ Boolean isExternal = e.getHint(KEY_MONITOR_IS_EXTERNAL);
+ if (Boolean.TRUE.equals(isExternal)) {
+ ShapeNode shape = e.getHint(KEY_SG_NODE2);
+ if (shape == null || shape.getParent() != parent) {
+ if (nodeId == null)
+ nodeId = ElementUtils.generateNodeId(e);
+ nodeId += "-ext";
+ shape = parent.addNode(nodeId, ShapeNode.class);
+ shape.setZIndex(-1);
+ shape.setColor(Color.BLACK);
+ shape.setFill(true);
+ shape.setStroke(null);
+ shape.setShape( arrow(4, 2, 0) );
+ e.setHint(KEY_SG_NODE2, shape);
+ }
+ } else {
+ ShapeNode shape = e.getHint(KEY_SG_NODE2);
+ if (shape != null)
+ shape.remove();
+ }
+
+ update(e);
+ }
+
+ public void update(IElement e) {
+ String value = null;
+
+ final Text t = e.getElementClass().getAtMostOneItemOfClass(Text.class);
+ assert(t != null);
+
+ value = formValue(e);
+
+ TextNode node = (TextNode) e.getHint(KEY_SG_NODE);
+ if (node != null && value != null) {
+
+ node.setText(value);
+ Object component = e.getHint(KEY_MONITOR_COMPONENT);
+ if (component != null && hasModifier(e)) {
+ node.setEditable(true);
+ } else {
+ node.setEditable(false);
+ }
+
+ // FIXME: set only if changed .. (but quickfix is not to clone)
+ Font font = ElementUtils.getTextFont(e);
+ if (node.getFont() != font) { // Don't update if we have a same object
+ node.setFont(font);
+ }
+ Color color = ElementUtils.getTextColor(e);
+ node.setColor(new Color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()));
+
+ AffineTransform at = ElementUtils.getTransform(e);
+ if(at != null)
+ node.setTransform(at);
+
+ Alignment halign = e.getHint(ElementHints.KEY_HORIZONTAL_ALIGN);
+ if (halign != null)
+ node.setHorizontalAlignment((byte) halign.ordinal());
+ Alignment valign = e.getHint(ElementHints.KEY_VERTICAL_ALIGN);
+ if (valign != null)
+ node.setVerticalAlignment((byte) valign.ordinal());
+
+// String tt = (String) e.getHint(KEY_TOOLTIP_TEXT);
+// if (tt != null)
+// node.setToolTipText(new String(tt));
+
+ ShapeNode shape = e.getHint(KEY_SG_NODE2);
+ if (shape != null) {
+ AffineTransform at2 = new AffineTransform(at);
+ Rectangle2D bounds = node.getBoundsInLocal();
+ at2.translate(bounds.getMinX(), bounds.getCenterY());
+ shape.setTransform(at2);
+ }
+ }
+ }
+
+ @Override
+ public void cleanup(IElement e) {
+ TextNode node = (TextNode)e.removeHint(KEY_SG_NODE);
+ if (node != null)
+ node.remove();
+ }
+
+ @Override
+ public Rectangle2D getBounds(IElement e, Rectangle2D size) {
+ TextNode node = (TextNode)e.getHint(KEY_SG_NODE);
+ if (node != null) {
+ Rectangle2D bounds = node.getBoundsInLocal();
+ if (bounds != null) {
+ if (size == null)
+ size = new Rectangle2D.Double(0, 0, 0, 0);
+ size.setRect(bounds);
+ }
+ }
+ return size;
+ }
+
+ @Override
+ public Shape getElementShape(IElement e) {
+ Shape shape = new Rectangle2D.Double(0, 0, 0, 0);
+
+ TextNode node = (TextNode)e.getHint(KEY_SG_NODE);
+ if(node != null && node.getBoundsInLocal() != null) {
+ shape = node.getBoundsInLocal();
+ }
+
+ return shape;
+ }
+
+ }
+
+ public static class Transformer implements Transform, Move, Rotate, Scale, LifeCycle {
+
+ private static final long serialVersionUID = -3704887325602085677L;
+
+ public static final Transformer INSTANCE = new Transformer(null);
+
+ Double aspectRatio;
+
+ public Transformer() {
+ this(null);
+ }
+
+ public Transformer(Double aspectRatio) {
+ this.aspectRatio = aspectRatio;
+ }
+
+ @Override
+ public Double getFixedAspectRatio(IElement e) {
+ return aspectRatio;
+ }
+
+ @Override
+ public Point2D getScale(IElement e) {
+ AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);
+ return _getScale(at);
+ }
+
+ @Override
+ public void setScale(IElement e, Point2D newScale) {
+ // Doesn't work for monitors.
+ Point2D oldScale = getScale(e);
+ double sx = newScale.getX() / oldScale.getX();
+ double sy = newScale.getY() / oldScale.getY();
+ AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);
+ at = new AffineTransform(at);
+ at.scale(sx, sy);
+ e.setHint(ElementHints.KEY_TRANSFORM, at);
+ }
+
+ @Override
+ public Point2D getMaximumScale(IElement e) {
+ return null;
+ }
+
+ @Override
+ public Point2D getMinimumScale(IElement e) {
+ return null;
+ }
+
+ private static Point2D _getScale(AffineTransform at) {
+ double m00 = at.getScaleX();
+ double m11 = at.getScaleY();
+ double m10 = at.getShearY();
+ double m01 = at.getShearX();
+ // Project unit vector to canvas
+ double sx = Math.sqrt(m00 * m00 + m10 * m10);
+ double sy = Math.sqrt(m01 * m01 + m11 * m11);
+ return new Point2D.Double(sx, sy);
+ }
+
+ @Override
+ public void rotate(IElement e, double theta, Point2D origin) {
+ if (Double.isNaN(theta)) return;
+ theta = Math.toDegrees(theta);
+ Double angle = e.getHint(KEY_DIRECTION);
+ double newAngle = angle != null ? angle+theta : theta;
+ newAngle = Math.IEEEremainder(newAngle, 360.0);
+ e.setHint(KEY_DIRECTION, newAngle);
+ }
+
+ @Override
+ public double getAngle(IElement e) {
+ Double angle = e.getHint(KEY_DIRECTION);
+ return angle != null ? Math.toRadians(angle) : 0;
+ }
+ @Override
+ public Point2D getPosition(IElement e) {
+ AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);
+ Point2D p = new Point2D.Double(at.getTranslateX(), at.getTranslateY());
+ return p;
+ }
+
+ @Override
+ public void moveTo(IElement e, double x, double y) {
+ AffineTransform origAt = e.getHint(ElementHints.KEY_TRANSFORM);
+
+ AffineTransform result = new AffineTransform(origAt);
+ result.preConcatenate(AffineTransform.getTranslateInstance(x - origAt.getTranslateX(), y - origAt.getTranslateY()));
+ e.setHint(ElementHints.KEY_TRANSFORM, result);
+ }
+
+ @Override
+ public AffineTransform getTransform(IElement e) {
+ AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);
+
+ IElement parentElement = e.getHint(ElementHints.KEY_PARENT_ELEMENT);
+ if (parentElement == null)
+ return at;
+
+ Transform parentTransform = parentElement.getElementClass().getSingleItem(Transform.class);
+ assert(parentTransform!=null);
+
+ AffineTransform result = (AffineTransform)at.clone();
+ AffineTransform parentAT = parentTransform.getTransform(parentElement);
+ result.preConcatenate(AffineTransform.getTranslateInstance(parentAT.getTranslateX(), parentAT.getTranslateY()));
+
+ return result;
+ }
+
+ @Override
+ public void setTransform(IElement e, AffineTransform at) {
+ e.setHint(ElementHints.KEY_TRANSFORM, at.clone());
+ }
+
+ @Override
+ public void onElementActivated(IDiagram d, IElement e) {
+ }
+
+ @Override
+ public void onElementCreated(IElement e) {
+ e.setHint(ElementHints.KEY_TRANSFORM, new AffineTransform());
+ }
+
+ @Override
+ public void onElementDeactivated(IDiagram d, IElement e) {
+ }
+
+ @Override
+ public void onElementDestroyed(IElement e) {
+// List<SceneGraph> nodeHandlers = e.getElementClass().getItemsByClass(SceneGraph.class);
+// for(SceneGraph n : nodeHandlers) {
+// System.out.println("element gone:"+e);
+// n.cleanup(e);
+// }
+ }
+ }
+
+ static double getOrientationDelta(IElement e, AffineTransform tr) {
+ Double angle = e.getHint(KEY_DIRECTION);
+ if (angle == null || Double.isNaN(angle))
+ return Double.NaN;
+ double angrad = Math.toRadians(angle);
+
+ Vector2D forcedAxis = new Vector2D(Math.cos(angrad), Math.sin(angrad));
+ Vector2D x = new Vector2D(tr.getScaleX(), tr.getShearX()).normalize();
+ double cosa = forcedAxis.dotProduct(x);
+ double delta = Math.acos(cosa);
+ return delta;
+ }
+
+ static class MonitorImageFactory implements IFactory<Image> {
+ private double staticScaleX = 1, staticScaleY = 1;
+
+ public MonitorImageFactory(double staticScaleX, double staticScaleY) {
+ this.staticScaleX = staticScaleX;
+ this.staticScaleY = staticScaleY;
+ }
+
+ @Override
+ public Image get() throws ProvisionException {
+ return new Img();
+ }
+
+ public class Img extends AbstractImage {
+
+ Shape path = align(DEFAULT_HORIZONTAL_MARGIN, DEFAULT_VERTICAL_MARGIN, DEFAULT_HORIZONTAL_ALIGN, DEFAULT_VERTICAL_ALIGN,
+ new Rectangle2D.Double(0, 0, 50*staticScaleX, 22*staticScaleY));
+
+ @Override
+ public int hashCode() {
+ long temp = Double.doubleToLongBits(staticScaleX);
+ int result = (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(staticScaleY);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ MonitorImageFactory other = (MonitorImageFactory) obj;
+ return Double.doubleToLongBits(staticScaleX) == Double.doubleToLongBits(other.staticScaleX)
+ && Double.doubleToLongBits(staticScaleY) != Double.doubleToLongBits(other.staticScaleY);
+ }
+
+ @Override
+ public Rectangle2D getBounds() {
+ return path.getBounds2D();
+ }
+
+ @Override
+ public EnumSet<Feature> getFeatures() {
+ return EnumSet.of(Feature.Vector);
+ }
+
+ @Override
+ public Shape getOutline() {
+ return path;
+ }
+
+ @Override
+ public Node init(G2DParentNode parent) {
+ TextNode node = parent.getOrCreateNode(""+hashCode(), TextNode.class);
+ node.init("Drop Me", FONT, Color.BLACK, 0, 0, 0.2);
+ //node.setSize(50, 22);
+ node.setBorderWidth(1);
+ node.setTransform(AffineTransform.getScaleInstance(staticScaleX, staticScaleY));
+ node.setEditable(false);
+ return node;
+ }
+ };
+ }
+
+ static final IProvider<Image> MONITOR_IMAGE =
+ ProviderUtils.reference(
+ ProviderUtils.cache(
+ ProviderUtils.rasterize(
+ new MonitorImageFactory(0.5, 0.5)
+ )));
+
+ static final StaticSymbol MONITOR_SYMBOL = new StaticSymbolImpl( MONITOR_IMAGE.get() );
+
+ static final FillColor FILL_COLOR = new FillColorImpl(DEFAULT_FILL_COLOR);
+
+ static final ElementClass MONITOR_CLASS_BASE =
+ ElementClass.compile(
+ MonitorHandlerImpl.INSTANCE,
+ Transformer.INSTANCE,
+ BorderColorImpl.BLACK,
+ FILL_COLOR,
+ MonitorSGNode.INSTANCE,
+// ClickableImpl.INSTANCE,
+ TextImpl.INSTANCE,
+ TextEditorImpl.INSTANCE,
+ TextFontImpl.DEFAULT,
+ TextColorImpl.BLACK,
+ SimpleElementLayers.INSTANCE,
+ ParentImpl.INSTANCE
+ );
+
+ // staticScale{X,Y} define the scale of the static monitor image
+ public static ElementClass create(double staticScaleX, double staticScaleY, ElementHandler... extraHandlers) {
+ // Bit of a hack to be able to define the scale
+ IProvider<Image> staticMonitorSymbolProvider = ProviderUtils.reference(
+ ProviderUtils.cache(
+ ProviderUtils
+ .rasterize(
+ new MonitorImageFactory(staticScaleX, staticScaleY))));
+ StaticSymbol staticMonitorSymbol = new StaticSymbolImpl( staticMonitorSymbolProvider.get() );
+ return MONITOR_CLASS_BASE.newClassWith(staticMonitorSymbol).newClassWith(extraHandlers);
+ }
+
+ // staticScale{X,Y} define the scale of the static monitor image
+ public static ElementClass create(IElement parentElement, Map<String, String> substitutions, Object component, String suffix, double staticScaleX, double staticScaleY, ElementHandler... extraHandlers) {
+ return create(staticScaleX, staticScaleY, extraHandlers)
+ .newClassWith(
+ new Initializer(parentElement, substitutions, component,
+ suffix, parentElement != null ? false : true));
+ }
+
+ public static Shape arrow(double length, double width, double space) {
+ Path2D.Double path = new Path2D.Double();
+ path.moveTo(-space, 0);
+ path.lineTo(-length - space, -width);
+ path.lineTo(-length - space, +width);
+ path.closePath();
+ return path;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff