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/*
*(c) Copyright QNX Software Systems Ltd. 2002.
* All Rights Reserved.
*
*/
package org.eclipse.cdt.debug.internal.ui.views.registers;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.debug.internal.ui.CDebugUIPlugin;
import org.eclipse.cdt.debug.internal.ui.ICDebugHelpContextIds;
import org.eclipse.cdt.debug.internal.ui.preferences.ICDebugPreferenceConstants;
import org.eclipse.cdt.debug.internal.ui.views.AbstractDebugEventHandler;
import org.eclipse.cdt.debug.internal.ui.views.AbstractDebugEventHandlerView;
import org.eclipse.cdt.debug.internal.ui.views.IDebugExceptionHandler;
import org.eclipse.cdt.debug.ui.ICDebugUIConstants;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.internal.ui.DelegatingModelPresentation;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.IWorkbenchPart;
/**
*
* This view shows registers and their values for a particular stack frame.
*
* @since Jul 23, 2002
*/
public class RegistersView extends AbstractDebugEventHandlerView
implements ISelectionListener,
IPropertyChangeListener,
IDebugExceptionHandler
{
/**
* The model presentation used as the label provider for the tree viewer.
*/
private DelegatingModelPresentation fModelPresentation;
protected static final String VARIABLES_SELECT_ALL_ACTION = SELECT_ALL_ACTION + ".Registers"; //$NON-NLS-1$
/* (non-Javadoc)
* @see org.eclipse.debug.ui.AbstractDebugView#createViewer(Composite)
*/
protected Viewer createViewer( Composite parent )
{
fModelPresentation = new DelegatingModelPresentation();
CDebugUIPlugin.getDefault().getPreferenceStore().addPropertyChangeListener( this );
// add tree viewer
final TreeViewer vv = new RegistersViewer( parent, SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL );
vv.setContentProvider( createContentProvider() );
vv.setLabelProvider( getModelPresentation() );
vv.setUseHashlookup( true );
setAction( SELECT_ALL_ACTION, getAction( VARIABLES_SELECT_ALL_ACTION ) );
getViewSite().getActionBars().updateActionBars();
// listen to selection in debug view
getSite().getPage().addSelectionListener( IDebugUIConstants.ID_DEBUG_VIEW, this );
setEventHandler( createEventHandler( vv ) );
return vv;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.AbstractDebugView#createActions()
*/
protected void createActions()
{
// set initial content here, as viewer has to be set
setInitialContent();
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.AbstractDebugView#getHelpContextId()
*/
protected String getHelpContextId()
{
return ICDebugHelpContextIds.REGISTERS_VIEW;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.AbstractDebugView#fillContextMenu(IMenuManager)
*/
protected void fillContextMenu( IMenuManager menu )
{
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.AbstractDebugView#configureToolBar(IToolBarManager)
*/
protected void configureToolBar( IToolBarManager tbm )
{
}
/* (non-Javadoc)
* @see org.eclipse.ui.ISelectionListener#selectionChanged(IWorkbenchPart, ISelection)
*/
public void selectionChanged( IWorkbenchPart part, ISelection selection )
{
if ( selection instanceof IStructuredSelection )
{
setViewerInput( (IStructuredSelection)selection );
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(PropertyChangeEvent)
*/
public void propertyChange( PropertyChangeEvent event )
{
String propertyName= event.getProperty();
if ( propertyName.equals( ICDebugPreferenceConstants.CHANGED_REGISTER_RGB ) )
{
getEventHandler().refresh();
}
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.internal.ui.views.IDebugExceptionHandler#handleException(DebugException)
*/
public void handleException(DebugException e)
{
}
/**
* Remove myself as a selection listener
* and preference change listener.
*
* @see IWorkbenchPart#dispose()
*/
public void dispose()
{
getSite().getPage().removeSelectionListener( ICDebugUIConstants.ID_REGISTERS_VIEW, this );
CDebugUIPlugin.getDefault().getPreferenceStore().removePropertyChangeListener( this );
super.dispose();
}
/**
* Creates this view's content provider.
*
* @return a content provider
*/
protected IContentProvider createContentProvider()
{
RegistersViewContentProvider cp = new RegistersViewContentProvider();
cp.setExceptionHandler( this );
return cp;
}
protected IDebugModelPresentation getModelPresentation()
{
if ( fModelPresentation == null )
{
fModelPresentation = new DelegatingModelPresentation();
}
return fModelPresentation;
}
/**
* Creates this view's event handler.
*
* @param viewer the viewer associated with this view
* @return an event handler
*/
protected AbstractDebugEventHandler createEventHandler( Viewer viewer )
{
return new RegistersViewEventHandler( this );
}
protected void setViewerInput( IStructuredSelection ssel )
{
}
/**
* Initializes the viewer input on creation
*/
protected void setInitialContent()
{
ISelection selection =
getSite().getPage().getSelection( IDebugUIConstants.ID_DEBUG_VIEW );
if ( selection instanceof IStructuredSelection && !selection.isEmpty() )
{
setViewerInput( (IStructuredSelection)selection );
}
}
}
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