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/*******************************************************************************
* Copyright (c) 2001, 2004 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
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.sse.ui.internal.debug;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IBreakpointManager;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.source.IVerticalRulerInfo;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.texteditor.IDocumentProvider;
import org.eclipse.ui.texteditor.IDocumentProviderExtension4;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.wst.sse.core.StructuredModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.sse.core.internal.util.Debug;
import org.eclipse.wst.sse.ui.internal.Logger;
import org.eclipse.wst.sse.ui.internal.SSEUIMessages;
import org.eclipse.wst.sse.ui.internal.SSEUIPlugin;
import org.eclipse.wst.sse.ui.internal.extension.BreakpointProviderBuilder;
import org.eclipse.wst.sse.ui.internal.provisional.extensions.ISourceEditingTextTools;
import org.eclipse.wst.sse.ui.internal.provisional.extensions.breakpoint.IBreakpointProvider;
/**
* ToggleBreakpointAction
*/
public class ToggleBreakpointAction extends BreakpointRulerAction {
IAction fFallbackAction;
/**
* @param editor
* @param rulerInfo
*/
public ToggleBreakpointAction(ITextEditor editor, IVerticalRulerInfo rulerInfo) {
super(editor, rulerInfo);
setText(SSEUIMessages.ToggleBreakpointAction_0); //$NON-NLS-1$
}
public ToggleBreakpointAction(ITextEditor editor, IVerticalRulerInfo rulerInfo, IAction fallbackAction) {
this(editor, rulerInfo);
fFallbackAction = fallbackAction;
}
protected boolean createBreakpoints(int lineNumber) {
/*
* Note: we'll always allow processing to continue, even for a "read
* only" IStorageEditorInput, for the ActiveScript debugger. But this
* means sometimes the ActiveScript provider might get an input from
* CVS or something that is not related to debugging.
*/
ITextEditor editor = getTextEditor();
IEditorInput input = editor.getEditorInput();
IDocument document = editor.getDocumentProvider().getDocument(input);
if (document == null)
return false;
String contentType = getContentType(document);
IBreakpointProvider[] providers = BreakpointProviderBuilder.getInstance().getBreakpointProviders(editor, contentType, getFileExtension(input));
int pos = -1;
ISourceEditingTextTools tools = (ISourceEditingTextTools) editor.getAdapter(ISourceEditingTextTools.class);
if (tools != null) {
pos = tools.getCaretOffset();
}
final int n = providers.length;
List errors = new ArrayList(0);
for (int i = 0; i < n; i++) {
try {
if (Debug.debugBreakpoints)
System.out.println(providers[i].getClass().getName() + " adding breakpoint to line " + lineNumber); //$NON-NLS-1$
IStatus status = providers[i].addBreakpoint(document, input, lineNumber, pos);
if (status != null && !status.isOK()) {
errors.add(status);
}
}
catch (CoreException e) {
errors.add(e.getStatus());
}
catch (Exception t) {
Logger.logException("exception while adding breakpoint", t); //$NON-NLS-1$
}
}
if (errors.size() > 0) {
Shell shell = editor.getSite().getShell();
MultiStatus allStatus = new MultiStatus(SSEUIPlugin.ID, IStatus.INFO, (IStatus[]) errors.toArray(new IStatus[0]), SSEUIMessages.ManageBreakpoints_error_adding_message1, null); //$NON-NLS-1$
/*
* Show for conditions more severe than INFO or when no
* breakpoints were created
*/
if (allStatus.getSeverity() > IStatus.INFO || getBreakpoints(getMarkers()).length < 1) {
ErrorDialog.openError(shell, SSEUIMessages.ManageBreakpoints_error_adding_title1, SSEUIMessages.ManageBreakpoints_error_adding_message1, allStatus); //$NON-NLS-1$ //$NON-NLS-2$
return false;
}
}
/*
* Although no errors were reported, no breakpoints exist on this line
* after having run the existing providers. Run the fallback action.
*/
else if (fFallbackAction != null && !hasMarkers()) {
if (fFallbackAction instanceof ISelectionListener) {
((ISelectionListener) fFallbackAction).selectionChanged(null, null);
}
fFallbackAction.run();
}
return true;
}
protected String getContentType(IDocument document) {
IModelManager mgr = StructuredModelManager.getModelManager();
String contentType = null;
IDocumentProvider provider = fTextEditor.getDocumentProvider();
if (provider instanceof IDocumentProviderExtension4) {
try {
IContentType type = ((IDocumentProviderExtension4) provider).getContentType(fTextEditor.getEditorInput());
if (type != null)
contentType = type.getId();
}
catch (CoreException e) {
/*
* A failure accessing the underlying store really isn't
* interesting, although it can be a problem for
* IStorageEditorInputs.
*/
}
}
if (contentType == null) {
IStructuredModel model = null;
try {
model = mgr.getExistingModelForRead(document);
if (model != null) {
contentType = model.getContentTypeIdentifier();
}
}
finally {
if (model != null) {
model.releaseFromRead();
}
}
}
return contentType;
}
protected void removeBreakpoints(int lineNumber) {
IBreakpointManager breakpointManager = DebugPlugin.getDefault().getBreakpointManager();
IBreakpoint[] breakpoints = getBreakpoints(getMarkers());
for (int i = 0; i < breakpoints.length; i++) {
try {
breakpoints[i].getMarker().delete();
breakpointManager.removeBreakpoint(breakpoints[i], true);
}
catch (CoreException e) {
Logger.logException(e);
}
}
}
public void run() {
int lineNumber = fRulerInfo.getLineOfLastMouseButtonActivity() + 1;
boolean doAdd = !hasMarkers();
if (doAdd)
createBreakpoints(lineNumber);
else
removeBreakpoints(lineNumber);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.texteditor.IUpdate#update()
*/
public void update() {
}
}
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