X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fui%2FToolPropertyTester.java;fp=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fui%2FToolPropertyTester.java;h=b97b5612a0e3ada24453d57d320c921240daf75f;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/ui/ToolPropertyTester.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/ui/ToolPropertyTester.java
new file mode 100644
index 000000000..b97b5612a
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/ui/ToolPropertyTester.java
@@ -0,0 +1,50 @@
+/*******************************************************************************
+ * 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.ui;
+
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.ui.IEditorPart;
+import org.simantics.g2d.canvas.Hints;
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.canvas.IToolMode;
+import org.simantics.utils.datastructures.hints.IHintContext;
+
+/**
+ * An Eclipse property tester for canvas editor tool mode.
+ * 
+ * @author Tuukka Lehtonen
+ */
+public class ToolPropertyTester extends PropertyTester {
+
+    private static final String MODE = "mode";
+
+    @Override
+    public boolean test(Object receiver, final String property, final Object[] args, final Object expectedValue) {
+        if (!(receiver instanceof IEditorPart))
+            return false;
+        IEditorPart editor = (IEditorPart) receiver;
+
+        if (MODE.equals(property)) {
+            ICanvasContext ctx = (ICanvasContext) editor.getAdapter(ICanvasContext.class);
+            if (ctx == null)
+                return false;
+
+            IHintContext hints = ctx.getDefaultHintContext();
+            IToolMode toolMode = hints.getHint(Hints.KEY_TOOL);
+            if (toolMode != null) {
+                return toolMode.getId().equals(expectedValue);
+            }
+        }
+        return false;
+    }
+
+}