X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fhandler%2FHighlightMode.java;h=d9e88324f96c9d4d4a7a3adf43ec8d2abf84890f;hb=cb337ac8c87b7bdad11ffb8584f76610c51d3a75;hp=ad07721d8f79a04a37249acf7756a145d7863ad0;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/handler/HighlightMode.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/handler/HighlightMode.java index ad07721d8..d9e88324f 100644 --- a/bundles/org.simantics.diagram/src/org/simantics/diagram/handler/HighlightMode.java +++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/handler/HighlightMode.java @@ -1,157 +1,157 @@ -/******************************************************************************* - * 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.handler; - -import java.awt.BasicStroke; -import java.awt.Color; -import java.awt.Shape; -import java.awt.geom.Area; -import java.awt.geom.Path2D; -import java.util.Collection; -import java.util.concurrent.Future; -import java.util.concurrent.TimeUnit; - -import org.simantics.g2d.canvas.ICanvasContext; -import org.simantics.g2d.canvas.SGDesignation; -import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant; -import org.simantics.g2d.canvas.impl.SGNodeReflection.SGCleanup; -import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit; -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.handler.SelectionOutline; -import org.simantics.scenegraph.g2d.G2DParentNode; -import org.simantics.scenegraph.g2d.nodes.ShapeNode; -import org.simantics.scenegraph.g2d.nodes.SingleElementNode; -import org.simantics.utils.datastructures.hints.IHintContext.Key; -import org.simantics.utils.datastructures.hints.IHintListener; -import org.simantics.utils.datastructures.hints.IHintObservable; -import org.simantics.utils.threads.ThreadUtils; - -/** - * This participant highlights the specified DiagramSelection on its source - * diagram as a stroked frame tightly surrounding the selected elements. - * - * @author Tuukka Lehtonen - */ -public class HighlightMode extends AbstractCanvasParticipant implements IHintListener { - - private final Color CUT_COLOR = Color.ORANGE; - private final Color COPY_COLOR = new Color(128, 220, 150); - - private final BasicStroke DEFAULT_STROKE = new BasicStroke(3.0f); - - DiagramSelection selection; - int selectionId; - int paintPriority; - - SingleElementNode highlightNode; - Collection highlightElements; - - public HighlightMode(DiagramSelection selection, int selectionId, int paintPriority) { - this.selection = selection; - this.selectionId = selectionId; - this.paintPriority = paintPriority; - } - - @SGInit(designation = SGDesignation.CANVAS) - public void init(G2DParentNode parent) { - highlightNode = parent.addNode("cut/copy source highlight", SingleElementNode.class); - highlightNode.setZIndex(paintPriority); - highlightNode.setVisible(false); - - // This slows rendering down too much to use. - //highlightNode.setComposite(AlphaComposite.SrcOver.derive(0.4f)); - - this.highlightElements = selection.getOriginalElements(); - - for (IElement e : highlightElements) - e.addHintListener(this); - - paintSelectionFrames(highlightNode, selection, selectionId); - } - - @SGCleanup - public void cleanupSG() { - for (IElement e : highlightElements) - e.removeHintListener(this); - - highlightNode.remove(); - } - - void paintSelectionFrames(G2DParentNode parentNode, DiagramSelection selection, int selectionId) { - Area cutArea = new Area(); - for (IElement e : selection.getOriginalElements()) { - ElementClass ec = e.getElementClass(); - SelectionOutline so = ec.getAtMostOneItemOfClass(SelectionOutline.class); - Shape shape = so != null ? so.getSelectionShape(e) : ElementUtils.getElementShapeOrBoundsOnDiagram(e); - cutArea.add(new Area(shape)); - } - if (!cutArea.isEmpty()) { - // Is rendering of Area slower than Path2D? - Path2D.Double path = new Path2D.Double(cutArea); - - ShapeNode shapeNode = parentNode.getOrCreateNode("highlight", ShapeNode.class); - shapeNode.setShape(path); - shapeNode.setScaleStroke(true); - shapeNode.setStroke(DEFAULT_STROKE); - shapeNode.setFill(false); - shapeNode.setColor(selection.isCut() ? CUT_COLOR : COPY_COLOR); - - highlightNode.setVisible(true); - } - } - - @Override - public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) { - if (key == ElementHints.KEY_TRANSFORM) { - //System.out.println("transform changed for " + sender + " to " + newValue); - highlightNode.setVisible(false); - deferredHighlightUpdate(); - } - } - - @Override - public void hintRemoved(IHintObservable sender, Key key, Object oldValue) { - } - - Future updateTask; - - private synchronized void deferredHighlightUpdate() { - if (updateTask == null) { - updateTask = ThreadUtils.getNonBlockingWorkExecutor().schedule( - updateScheduler, - 100, - TimeUnit.MILLISECONDS); - } - } - - Runnable updateScheduler = new Runnable() { - @Override - public void run() { - ICanvasContext ctx = getContext(); - if (ctx != null) - ThreadUtils.asyncExec(ctx.getThreadAccess(), painter); - } - }; - - Runnable painter = new Runnable() { - @Override - public void run() { - if (!isRemoved()) - paintSelectionFrames(highlightNode, selection, selectionId); - updateTask = null; - } - }; - +/******************************************************************************* + * 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.handler; + +import java.awt.BasicStroke; +import java.awt.Color; +import java.awt.Shape; +import java.awt.geom.Area; +import java.awt.geom.Path2D; +import java.util.Collection; +import java.util.concurrent.Future; +import java.util.concurrent.TimeUnit; + +import org.simantics.g2d.canvas.ICanvasContext; +import org.simantics.g2d.canvas.SGDesignation; +import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant; +import org.simantics.g2d.canvas.impl.SGNodeReflection.SGCleanup; +import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit; +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.handler.SelectionOutline; +import org.simantics.scenegraph.g2d.G2DParentNode; +import org.simantics.scenegraph.g2d.nodes.ShapeNode; +import org.simantics.scenegraph.g2d.nodes.SingleElementNode; +import org.simantics.utils.datastructures.hints.IHintContext.Key; +import org.simantics.utils.datastructures.hints.IHintListener; +import org.simantics.utils.datastructures.hints.IHintObservable; +import org.simantics.utils.threads.ThreadUtils; + +/** + * This participant highlights the specified DiagramSelection on its source + * diagram as a stroked frame tightly surrounding the selected elements. + * + * @author Tuukka Lehtonen + */ +public class HighlightMode extends AbstractCanvasParticipant implements IHintListener { + + private final Color CUT_COLOR = Color.ORANGE; + private final Color COPY_COLOR = new Color(128, 220, 150); + + private final BasicStroke DEFAULT_STROKE = new BasicStroke(3.0f); + + DiagramSelection selection; + int selectionId; + int paintPriority; + + SingleElementNode highlightNode; + Collection highlightElements; + + public HighlightMode(DiagramSelection selection, int selectionId, int paintPriority) { + this.selection = selection; + this.selectionId = selectionId; + this.paintPriority = paintPriority; + } + + @SGInit(designation = SGDesignation.CANVAS) + public void init(G2DParentNode parent) { + highlightNode = parent.addNode("cut/copy source highlight", SingleElementNode.class); + highlightNode.setZIndex(paintPriority); + highlightNode.setVisible(false); + + // This slows rendering down too much to use. + //highlightNode.setComposite(AlphaComposite.SrcOver.derive(0.4f)); + + this.highlightElements = selection.getOriginalElements(); + + for (IElement e : highlightElements) + e.addHintListener(this); + + paintSelectionFrames(highlightNode, selection, selectionId); + } + + @SGCleanup + public void cleanupSG() { + for (IElement e : highlightElements) + e.removeHintListener(this); + + highlightNode.remove(); + } + + void paintSelectionFrames(G2DParentNode parentNode, DiagramSelection selection, int selectionId) { + Area cutArea = new Area(); + for (IElement e : selection.getOriginalElements()) { + ElementClass ec = e.getElementClass(); + SelectionOutline so = ec.getAtMostOneItemOfClass(SelectionOutline.class); + Shape shape = so != null ? so.getSelectionShape(e) : ElementUtils.getElementShapeOrBoundsOnDiagram(e); + cutArea.add(new Area(shape)); + } + if (!cutArea.isEmpty()) { + // Is rendering of Area slower than Path2D? + Path2D.Double path = new Path2D.Double(cutArea); + + ShapeNode shapeNode = parentNode.getOrCreateNode("highlight", ShapeNode.class); + shapeNode.setShape(path); + shapeNode.setScaleStroke(true); + shapeNode.setStroke(DEFAULT_STROKE); + shapeNode.setFill(false); + shapeNode.setColor(selection.isCut() ? CUT_COLOR : COPY_COLOR); + + highlightNode.setVisible(true); + } + } + + @Override + public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) { + if (key == ElementHints.KEY_TRANSFORM) { + //System.out.println("transform changed for " + sender + " to " + newValue); + highlightNode.setVisible(false); + deferredHighlightUpdate(); + } + } + + @Override + public void hintRemoved(IHintObservable sender, Key key, Object oldValue) { + } + + Future updateTask; + + private synchronized void deferredHighlightUpdate() { + if (updateTask == null) { + updateTask = ThreadUtils.getNonBlockingWorkExecutor().schedule( + updateScheduler, + 100, + TimeUnit.MILLISECONDS); + } + } + + Runnable updateScheduler = new Runnable() { + @Override + public void run() { + ICanvasContext ctx = getContext(); + if (ctx != null) + ThreadUtils.asyncExec(ctx.getThreadAccess(), painter); + } + }; + + Runnable painter = new Runnable() { + @Override + public void run() { + if (!isRemoved()) + paintSelectionFrames(highlightNode, selection, selectionId); + updateTask = null; + } + }; + } \ No newline at end of file