Bug 344023 - [var] Need a way to override Find action of Variables view

and its derived classes.

Original contributed patch.

2 files changed, 54 insertions, 0 deletions

diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/provisional/IViewActionOverride.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/provisional/IViewActionOverride.java
new file mode 100644
index 000000000..931d12369
--- /dev/null
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/provisional/IViewActionOverride.java
@@ -0,0 +1,35 @@
+/*****************************************************************
+ * Copyright (c) 2011 Texas Instruments 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:
+ *     Texas Instruments - View action override (Bug 344023)
+ *****************************************************************/
+package org.eclipse.debug.internal.ui.viewers.model.provisional;
+
+import org.eclipse.jface.action.IAction;
+
+
+/**
+ * An interface that allows an implementation to provide (contribute) its own
+ * action which is used to override an action for the same action id.
+ * 
+ * @since 3.7
+ */
+public interface IViewActionOverride {
+	/**
+	 * Get action for a given presentation context and action id. Implementation
+	 * class can use presentation context to figure out the view part or view
+	 * model (IVMProvider) which wants to provide (contribute) an action. Once
+	 * the view part or view model is known, the dedicated action for the view
+	 * can be figured out by the implementation, view model, or some other
+	 * classes.
+	 * @param presentationContext presentation context
+	 * @param actionID action id
+	 * @return action or null
+	 */
+	public IAction getAction(IPresentationContext presentationContext, String actionID);
+}
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/variables/VariablesView.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/variables/VariablesView.java
index 4f4b4a40c..615faa630 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/variables/VariablesView.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/variables/VariablesView.java
@@ -25,6 +25,7 @@ import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 
+import org.eclipse.core.runtime.IAdaptable;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.ListenerList;
@@ -43,12 +44,15 @@ import org.eclipse.debug.internal.ui.actions.variables.ChangeVariableValueAction
 import org.eclipse.debug.internal.ui.actions.variables.ShowTypesAction;
 import org.eclipse.debug.internal.ui.actions.variables.ToggleDetailPaneAction;
 import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants;
+import org.eclipse.debug.internal.ui.viewers.model.ViewerAdapterService;
 import org.eclipse.debug.internal.ui.viewers.model.VirtualFindAction;
 import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelChangedListener;
 import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
 import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDeltaVisitor;
 import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxy;
 import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewActionOverride;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerInputProvider;
 import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerInputRequestor;
 import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerInputUpdate;
 import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate;
@@ -931,6 +935,21 @@ public class VariablesView extends AbstractDebugView implements IDebugContextLis
 		action= new VirtualFindAction(getVariablesViewer());
 		setAction(VARIABLES_FIND_ELEMENT_ACTION, action);
 	} 	
+
+
+	public IAction getAction(String actionID) {
+		IViewerInputProvider inputProvider = ViewerAdapterService.getInputProvider(getViewer().getInput());
+		if (inputProvider instanceof IAdaptable) {
+			Object x = ((IAdaptable) inputProvider).getAdapter(IViewActionOverride.class);
+			if (x instanceof IViewActionOverride) {
+				IAction action = ((IViewActionOverride) x).getAction(getPresentationContext(), actionID);
+				if (action != null) {
+					return action;
+				}
+			}
+		}
+		return super.getAction(actionID);
+	}
 	
 	/* (non-Javadoc)
 	 *