[303379] Allow other multi page editors to reuse the XML grammar & dependencies tool bar contributions.

1 files changed, 46 insertions, 0 deletions

diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/editor/XMLEditorTester.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/editor/XMLEditorTester.java
new file mode 100644
index 0000000000..269dc42ab3
--- /dev/null
+++ b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/editor/XMLEditorTester.java
@@ -0,0 +1,46 @@
+/******************************************************************************
+ * Copyright (c) 2010 IBM Corporation and others.
+ * 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:
+ *     IBM Corporation - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.wst.xml.ui.internal.editor;
+
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.texteditor.ITextEditor;
+
+/**
+ * A property tester that determines if the editor part is or contains (in the case of a {@link org.eclipse.ui.part.MultiPageEditorPart}) the XML editor.
+ * 
+ */
+public class XMLEditorTester extends PropertyTester {
+
+	private static final String PROPERTY = "editor"; //$NON-NLS-1$
+
+	/** The XML editor's part ID */
+	private static final String EDITOR_ID = "org.eclipse.core.runtime.xml.source"; //$NON-NLS-1$
+
+	public boolean test(Object receiver, String property, Object[] args,	Object expectedValue) {
+		if (receiver instanceof IEditorPart && PROPERTY.equals(property)) {
+			ITextEditor editor = null;
+			if (receiver instanceof ITextEditor)
+				editor = (ITextEditor) receiver;
+			else
+				editor = (ITextEditor) ((IEditorPart) receiver).getAdapter(ITextEditor.class);
+			if (editor != null) {
+				IEditorSite site = editor.getEditorSite();
+				if (site != null) {
+					return EDITOR_ID.equals(site.getId());
+				}
+			}
+		}
+		return false;
+	}
+
+}