--- /dev/null
+/*******************************************************************************\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
Code Review / simantics / platform.git / blobdiff