X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fexample%2Fchassis%2FViewPartExample.java;fp=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fexample%2Fchassis%2FViewPartExample.java;h=b2ce6dcdba8a2eaf0eef640d92f2370297b91bea;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/example/chassis/ViewPartExample.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/example/chassis/ViewPartExample.java new file mode 100644 index 000000000..b2ce6dcdb --- /dev/null +++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/example/chassis/ViewPartExample.java @@ -0,0 +1,60 @@ +/******************************************************************************* + * 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.g2d.example.chassis; + +import org.eclipse.swt.widgets.Composite; +import org.eclipse.ui.part.ViewPart; +import org.simantics.g2d.canvas.ICanvasContext; +import org.simantics.g2d.canvas.impl.CanvasContext; +import org.simantics.g2d.chassis.ICanvasChassis; +import org.simantics.g2d.chassis.IChassisListener; +import org.simantics.g2d.chassis.SWTChassis; +import org.simantics.g2d.example.TestCanvas; +import org.simantics.utils.threads.AWTThread; +import org.simantics.utils.threads.IThreadWorkQueue; +import org.simantics.utils.threads.ThreadUtils; + +public class ViewPartExample extends ViewPart { + SWTChassis c; + + @Override + public void createPartControl(Composite parent) { + c = new SWTChassis(parent, 0); + c.syncPopulate(); + + IThreadWorkQueue thread = AWTThread.getThreadAccess(); + CanvasContext canvasContext = TestCanvas.createTestCanvas(thread); + + c.setCanvasContext(canvasContext); + + c.addChassisListener(new IChassisListener() { + @Override + public void chassisClosed(ICanvasChassis sender) { + // Prevent deadlock while disposing which using syncExec would result in. + ThreadUtils.asyncExec(c.getCanvasContext().getThreadAccess(), new Runnable() { + @Override + public void run() { + ICanvasContext ctx = c.getCanvasContext(); + c.getAWTComponent().setCanvasContext(null); + ctx.dispose(); + } + }); + } + }); + } + + @Override + public void setFocus() { + c.setFocus(); + } + +}