/******************************************************************************* * Copyright (c) 2005, 2012 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 *******************************************************************************/ package org.eclipse.debug.ui.actions; import java.util.Iterator; import org.eclipse.core.resources.IMarker; import org.eclipse.core.runtime.CoreException; import org.eclipse.debug.core.DebugPlugin; import org.eclipse.debug.core.model.IBreakpoint; import org.eclipse.jface.action.Action; import org.eclipse.jface.text.BadLocationException; import org.eclipse.jface.text.IDocument; import org.eclipse.jface.text.Position; import org.eclipse.jface.text.source.IAnnotationModel; import org.eclipse.jface.text.source.IVerticalRulerInfo; import org.eclipse.ui.texteditor.ITextEditor; import org.eclipse.ui.texteditor.SimpleMarkerAnnotation; /** * Abstract action that works on breakpoints in the vertical ruler. *
* This class may be subclassed. *
* @since 3.2 */ public abstract class RulerBreakpointAction extends Action { private ITextEditor fEditor; private IVerticalRulerInfo fRulerInfo; /** * Constructs an action to work on breakpoints in the specified * text editor with the specified vertical ruler information. * * @param editor text editor * @param info vertical ruler information */ public RulerBreakpointAction(ITextEditor editor, IVerticalRulerInfo info) { fEditor = editor; fRulerInfo = info; } /** * Returns the breakpoint at the last line of mouse activity in the ruler * ornull
if none.
*
* @return breakpoint associated with activity in the ruler or null
*/
protected IBreakpoint getBreakpoint() {
IAnnotationModel annotationModel = fEditor.getDocumentProvider().getAnnotationModel(fEditor.getEditorInput());
IDocument document = fEditor.getDocumentProvider().getDocument(fEditor.getEditorInput());
if (annotationModel != null) {
Iterator iterator = annotationModel.getAnnotationIterator();
while (iterator.hasNext()) {
Object object = iterator.next();
if (object instanceof SimpleMarkerAnnotation) {
SimpleMarkerAnnotation markerAnnotation = (SimpleMarkerAnnotation) object;
IMarker marker = markerAnnotation.getMarker();
try {
if (marker.isSubtypeOf(IBreakpoint.BREAKPOINT_MARKER)) {
Position position = annotationModel.getPosition(markerAnnotation);
int line = document.getLineOfOffset(position.getOffset());
if (line == fRulerInfo.getLineOfLastMouseButtonActivity()) {
IBreakpoint breakpoint = DebugPlugin.getDefault().getBreakpointManager().getBreakpoint(marker);
if (breakpoint != null) {
return breakpoint;
}
}
}
} catch (CoreException e) {
} catch (BadLocationException e) {
}
}
}
}
return null;
}
/**
* Returns the editor this action was created for.
*
* @return editor
*/
protected ITextEditor getEditor() {
return fEditor;
}
/**
* Returns the vertical ruler information this action was created for.
*
* @return vertical ruler information
*/
protected IVerticalRulerInfo getVerticalRulerInfo() {
return fRulerInfo;
}
}