/*******************************************************************************
* Copyright (c) 2000, 2009 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
* WindRiver - Bug 272367: "Show Type Names" attribute is not available in the IPresentationContext properties
*******************************************************************************/
package org.eclipse.debug.internal.ui.actions.variables;
import org.eclipse.debug.internal.ui.DebugPluginImages;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
import org.eclipse.debug.internal.ui.IInternalDebugUIConstants;
import org.eclipse.debug.internal.ui.actions.ActionMessages;
import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.debug.ui.IDebugView;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.ui.PlatformUI;
/**
* An action that toggles the state of a viewer to
* show/hide type names of variables.
* Only viewers that use a <code>VariableLabelProvider</code> to render its
* elements are effected.
*/
public class ShowTypesAction extends Action {
private IDebugView fView;
public ShowTypesAction(IDebugView view) {
super(ActionMessages.ShowTypesAction_Show__Type_Names_1, IAction.AS_CHECK_BOX);
setView(view);
setToolTipText(ActionMessages.ShowTypesAction_Show_Type_Names);
setHoverImageDescriptor(DebugPluginImages.getImageDescriptor(IDebugUIConstants.IMG_LCL_TYPE_NAMES));
setDisabledImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_DLCL_TYPE_NAMES));
setImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_ELCL_TYPE_NAMES));
setId(DebugUIPlugin.getUniqueIdentifier() + ".ShowTypesAction"); //$NON-NLS-1$
PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugHelpContextIds.SHOW_TYPES_ACTION);
}
/**
* @see Action#run()
*/
public void run() {
valueChanged(isChecked());
}
private void valueChanged(boolean on) {
final Viewer viewer = getView().getViewer();
if (viewer.getControl().isDisposed()) {
return;
}
IDebugModelPresentation debugLabelProvider= (IDebugModelPresentation)getView().getAdapter(IDebugModelPresentation.class);
if (debugLabelProvider != null) {
Boolean typesStatus = on ? Boolean.TRUE : Boolean.FALSE;
debugLabelProvider.setAttribute(IDebugModelPresentation.DISPLAY_VARIABLE_TYPE_NAMES, typesStatus);
if (viewer instanceof TreeModelViewer) {
TreeModelViewer treeViewer = (TreeModelViewer) viewer;
treeViewer.getPresentationContext().setProperty(IDebugModelPresentation.DISPLAY_VARIABLE_TYPE_NAMES, typesStatus);
}
BusyIndicator.showWhile(viewer.getControl().getDisplay(), new Runnable() {
public void run() {
viewer.refresh();
}
});
}
}
protected IDebugView getView() {
return fView;
}
protected void setView(IDebugView view) {
fView = view;
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.Action#setEnabled(boolean)
*/
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
if (enabled) {
setToolTipText(ActionMessages.ShowTypesAction_Show_Type_Names);
} else {
setToolTipText(ActionMessages.ShowTypesAction_0);
}
}
}
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