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/**********************************************************************
* Copyright (c) 2004 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
***********************************************************************/
package org.eclipse.cdt.debug.internal.ui.actions;
import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IDebugElement;
import org.eclipse.debug.core.model.IWatchExpression;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorActionDelegate;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.actions.ActionDelegate;
/**
* The "Add Expression" action contribution to editors.
*/
public class AddExpressionEditorActionDelegate extends ActionDelegate implements IEditorActionDelegate {
private IEditorPart fEditorPart;
/* (non-Javadoc)
* @see org.eclipse.ui.IEditorActionDelegate#setActiveEditor(org.eclipse.jface.action.IAction, org.eclipse.ui.IEditorPart)
*/
public void setActiveEditor( IAction action, IEditorPart targetEditor ) {
setEditorPart( targetEditor );
}
private IEditorPart getEditorPart() {
return fEditorPart;
}
private void setEditorPart( IEditorPart editorPart ) {
fEditorPart = editorPart;
}
public void run( IAction action ) {
String text = getSelectedText();
ExpressionDialog dlg = new ExpressionDialog( getShell(), text );
if ( dlg.open() != Window.OK )
return;
createExpression( dlg.getExpression() );
}
private String getSelectedText() {
ISelection selection = getTargetSelection();
if ( selection != null && selection instanceof ITextSelection ) {
return ((ITextSelection)selection).getText().trim();
}
return ""; //$NON-NLS-1$
}
protected ISelection getTargetSelection() {
IWorkbenchPart part = getEditorPart();
if ( part != null ) {
ISelectionProvider provider = part.getSite().getSelectionProvider();
if ( provider != null ) {
return provider.getSelection();
}
}
return null;
}
private void createExpression( String text ) {
IWatchExpression watchExpression= DebugPlugin.getDefault().getExpressionManager().newWatchExpression( text );
DebugPlugin.getDefault().getExpressionManager().addExpression( watchExpression );
IAdaptable context = DebugUITools.getDebugContext();
if ( context instanceof IDebugElement )
watchExpression.setExpressionContext( (IDebugElement)context );
}
protected Shell getShell() {
return ( getEditorPart() != null ) ? getEditorPart().getSite().getShell() : CDebugUIPlugin.getActiveWorkbenchShell();
}
}
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