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package org.eclipse.debug.internal.ui;
/*
* Licensed Materials - Property of IBM,
* WebSphere Studio Workbench
* (c) Copyright IBM Corp 2000
*/
import org.eclipse.debug.core.model.IDebugElement;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.action.*;
import org.eclipse.jface.viewers.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.*;
/**
* This view shows variables and their values for a particular stack frame
*/
public class VariablesView extends AbstractDebugView implements ISelectionListener {
protected final static String PREFIX= "variables_view.";
protected ShowQualifiedAction fShowQualifiedAction;
protected ShowTypesAction fShowTypesAction;
protected ChangeVariableValueAction fChangeVariableAction;
protected AddToInspectorAction fAddToInspectorAction;
/**
* Remove myself as a selection listener to the <code>LaunchesView</code> in this perspective.
*
* @see IWorkbenchPart
*/
public void dispose() {
DebugUIPlugin.getDefault().removeSelectionListener(this);
super.dispose();
}
/**
* The <code>VariablesView</code> listens for selection changes in the <code>LaunchesView</code>
*
* @see ISelectionListener
*/
public void selectionChanged(IWorkbenchPart part, ISelection sel) {
if (!(part instanceof DebugView)) {
return;
}
if (!(sel instanceof IStructuredSelection)) {
return;
}
setViewerInput((IStructuredSelection)sel);
}
protected void setViewerInput(IStructuredSelection ssel) {
IDebugElement de= null;
if (ssel.size() == 1) {
Object input= ssel.getFirstElement();
if (input != null && input instanceof IDebugElement) {
de= ((IDebugElement) input).getStackFrame();
}
}
Object current= fViewer.getInput();
if (current == null && de == null) {
return;
}
if (current != null && current.equals(de)) {
return;
}
fViewer.setInput(de);
}
/**
* @see IWorkbenchPart
*/
public void createPartControl(Composite parent) {
DebugUIPlugin.getDefault().addSelectionListener(this);
TreeViewer vv = new TreeViewer(parent, SWT.MULTI);
fViewer= vv;
fViewer.setContentProvider(new VariablesContentProvider());
fViewer.setLabelProvider(new DelegatingModelPresentation());
fViewer.setUseHashlookup(true);
// add a context menu
createContextMenu(vv.getTree());
initializeActions();
initializeToolBar();
setInitialContent();
setTitleToolTip(getTitleToolTipText(PREFIX));
}
protected void setInitialContent() {
IWorkbenchWindow window= DebugUIPlugin.getActiveWorkbenchWindow();
if (window == null) {
return;
}
IWorkbenchPage p= window.getActivePage();
if (p == null) {
return;
}
DebugView view= (DebugView) p.findView(IDebugUIConstants.ID_DEBUG_VIEW);
if (view != null) {
ISelectionProvider provider= view.getSite().getSelectionProvider();
if (provider != null) {
provider.getSelection();
ISelection selection= provider.getSelection();
if (!selection.isEmpty() && selection instanceof IStructuredSelection) {
setViewerInput((IStructuredSelection) selection);
}
}
}
}
/**
* Initializes the actions of this view.
*/
protected void initializeActions() {
fShowTypesAction= new ShowTypesAction(fViewer);
fShowTypesAction.setHoverImageDescriptor(DebugPluginImages.getImageDescriptor(IDebugUIConstants.IMG_LCL_TYPE_NAMES));
fShowTypesAction.setDisabledImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_DLCL_TYPE_NAMES));
fShowTypesAction.setImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_ELCL_TYPE_NAMES));
fShowTypesAction.setChecked(false);
fShowQualifiedAction= new ShowQualifiedAction(fViewer);
fShowQualifiedAction.setHoverImageDescriptor(DebugPluginImages.getImageDescriptor(IDebugUIConstants.IMG_LCL_QUALIFIED_NAMES));
fShowQualifiedAction.setDisabledImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_DLCL_QUALIFIED_NAMES));
fShowQualifiedAction.setImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_ELCL_QUALIFIED_NAMES));
fShowQualifiedAction.setChecked(false);
fAddToInspectorAction= new AddToInspectorAction(fViewer);
fChangeVariableAction= new ChangeVariableValueAction(fViewer);
fChangeVariableAction.setEnabled(false);
}
/**
* Configures the toolBar
*/
protected void configureToolBar(IToolBarManager tbm) {
tbm.add(new Separator(this.getClass().getName()));
tbm.add(fShowTypesAction);
tbm.add(fShowQualifiedAction);
}
/**
* Adds items to the context menu including any extension defined actions.
*/
protected void fillContextMenu(IMenuManager menu) {
menu.add(new Separator(IDebugUIConstants.EMPTY_VARIABLE_GROUP));
menu.add(new Separator(IDebugUIConstants.VARIABLE_GROUP));
menu.add(fAddToInspectorAction);
menu.add(fChangeVariableAction);
menu.add(new Separator(IDebugUIConstants.EMPTY_RENDER_GROUP));
menu.add(new Separator(IDebugUIConstants.RENDER_GROUP));
menu.add(fShowTypesAction);
menu.add(fShowQualifiedAction);
menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
}
}
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