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/*******************************************************************************
* Copyright (c) 2004, 2005 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.actions;
import org.eclipse.cdt.debug.core.CDIDebugModel;
import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.text.IDocument;
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.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.IStorageEditorInput;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.actions.ActionDelegate;
import org.eclipse.ui.texteditor.ITextEditor;
/**
* Action for adding a watchpoint at a selection in the active
* C/C++ or assembly editor.
*/
public class AddWatchpointActionDelegate extends ActionDelegate implements IWorkbenchWindowActionDelegate, IPartListener {
private boolean fInitialized = false;
private IAction fAction = null;
private ITextEditor fTextEditor = null;
private IWorkbenchWindow fWorkbenchWindow = null;
private IResource fResource = null;
private String fSourceHandle = ""; //$NON-NLS-1$
/**
* Constructor for AddWatchpointActionDelegate.
*/
public AddWatchpointActionDelegate() {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
*/
public void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(IWorkbenchWindow)
*/
public void init( IWorkbenchWindow window ) {
setWorkbenchWindow( window );
window.getPartService().addPartListener( this );
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#run(IAction)
*/
public void run( IAction action ) {
String expression = getSelectedExpression();
AddWatchpointDialog dlg = new AddWatchpointDialog( CDebugUIPlugin.getActiveWorkbenchShell(), true, false, expression, true );
if ( dlg.open() != Window.OK )
return;
if ( getTextEditor() != null ) {
update();
addWatchpoint( getTextEditor().getEditorInput(), dlg.getWriteAccess(), dlg.getReadAccess(), dlg.getExpression() );
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection)
*/
public void selectionChanged( IAction action, ISelection selection ) {
if ( !fInitialized ) {
setAction( action );
if ( getWorkbenchWindow() != null ) {
IWorkbenchPage page = getWorkbenchWindow().getActivePage();
if ( page != null ) {
IEditorPart part = page.getActiveEditor();
if ( part instanceof ITextEditor ) {
setTextEditor( (ITextEditor)part );
}
}
}
fInitialized = true;
}
}
protected IAction getAction() {
return fAction;
}
protected void setAction( IAction action ) {
fAction = action;
}
protected IWorkbenchWindow getWorkbenchWindow() {
return fWorkbenchWindow;
}
protected void setWorkbenchWindow( IWorkbenchWindow workbenchWindow ) {
fWorkbenchWindow = workbenchWindow;
}
protected ITextEditor getTextEditor() {
return fTextEditor;
}
protected void setTextEditor( ITextEditor editor ) {
fTextEditor = editor;
if ( fTextEditor != null ) {
IEditorInput input = fTextEditor.getEditorInput();
setSourceHandle( input );
setResource( input );
}
setEnabledState( editor );
}
protected String getSelectedExpression() {
if ( getTextEditor() != null ) {
ISelectionProvider sp = getTextEditor().getSelectionProvider();
if ( sp != null ) {
ISelection s = sp.getSelection();
if ( s instanceof ITextSelection ) {
return ((ITextSelection)s).getText().trim();
}
}
}
return ""; //$NON-NLS-1$
}
protected void update( ISelection selection ) {
setEnabledState( getTextEditor() );
}
protected void update() {
IAction action = getAction();
if ( action != null ) {
action.setEnabled( getTextEditor() != null );
}
}
protected void setEnabledState( ITextEditor editor ) {
if ( getAction() != null ) {
getAction().setEnabled( editor != null );
}
}
protected IResource getResource() {
return fResource;
}
protected void setResource( IEditorInput input ) {
if ( input instanceof IFileEditorInput ) {
fResource = ((IFileEditorInput)input).getFile().getProject();
}
else {
fResource = ResourcesPlugin.getWorkspace().getRoot();
}
}
protected void addWatchpoint( IEditorInput editorInput, boolean write, boolean read, String expression ) {
if ( getResource() == null )
return;
IDocument document = getTextEditor().getDocumentProvider().getDocument( editorInput );
WatchpointExpressionVerifier wev = new WatchpointExpressionVerifier();
if ( wev.isValidExpression( document, expression ) ) {
try {
CDIDebugModel.createWatchpoint( getSourceHandle(), getResource(), write, read, expression, true, 0, "", true ); //$NON-NLS-1$
}
catch( CoreException ce ) {
CDebugUIPlugin.errorDialog( ActionMessages.getString( "AddWatchpointActionDelegate.0" ), ce ); //$NON-NLS-1$
}
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.IPartListener#partActivated(IWorkbenchPart)
*/
public void partActivated( IWorkbenchPart part ) {
if ( part instanceof ITextEditor ) {
setTextEditor( (ITextEditor)part );
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.IPartListener#partBroughtToTop(IWorkbenchPart)
*/
public void partBroughtToTop( IWorkbenchPart part ) {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IPartListener#partClosed(IWorkbenchPart)
*/
public void partClosed( IWorkbenchPart part ) {
if ( part == getTextEditor() ) {
setTextEditor( null );
if ( getAction() != null ) {
getAction().setEnabled( false );
}
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.IPartListener#partDeactivated(IWorkbenchPart)
*/
public void partDeactivated( IWorkbenchPart part ) {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IPartListener#partOpened(IWorkbenchPart)
*/
public void partOpened( IWorkbenchPart part ) {
if ( part instanceof ITextEditor ) {
if ( getTextEditor() == null ) {
setTextEditor( (ITextEditor)part );
}
}
}
private String getSourceHandle() {
return fSourceHandle;
}
private void setSourceHandle( IEditorInput input ) {
fSourceHandle = ""; //$NON-NLS-1$
if ( input instanceof IFileEditorInput ) {
fSourceHandle = ((IFileEditorInput)input).getFile().getFullPath().toOSString();
}
else if ( input instanceof IStorageEditorInput ) {
try {
IPath path = ((IStorageEditorInput)input).getStorage().getFullPath();
if ( path != null )
fSourceHandle = path.toOSString();
}
catch( CoreException e ) {
}
}
}
}
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