/*******************************************************************************
* Copyright (c) 2007 committers of openArchitectureWare 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:
* committers of openArchitectureWare - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.mwe.internal.ui.debug.breakpoint.actions;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IBreakpointManager;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.emf.mwe.ui.Messages;
import org.eclipse.emf.mwe.ui.debug.model.MWEBreakpoint;
import org.eclipse.emf.mwe.ui.debug.processing.PluginAdapter;
import org.eclipse.emf.mwe.ui.debug.processing.PluginExtensionManager;
import org.eclipse.jface.action.Action;
import org.eclipse.ui.editors.text.TextEditor;
/**
* Toggle breakpoint action that can be used both at vertical ruler and editor context menu.
*
*/
public class ToggleBreakpointAction extends Action {
private final TextEditor editor;
private final BreakpointActionGroup group;
public ToggleBreakpointAction(final TextEditor editor, final BreakpointActionGroup group) {
this.editor = editor;
this.group = group;
setText(Messages.ToggleBreakpointAction_Title);
setToolTipText(Messages.ToggleBreakpointAction_Description);
}
public void updateText() {
IResource resource = (IResource) editor.getEditorInput().getAdapter(IResource.class);
PluginAdapter adapter = PluginExtensionManager.getDefault().getAdapterByResourceExtension(resource.getFileExtension());
if (adapter == null) {
return;
}
int line = group.getLastSelectedLine() + 1;
int start = group.getLastSelectedOffset();
int end = calculateEnd(line, start);
if (group.isRulerSelected()) {
setEnabled(true);
} else {
setEnabled(adapter.isToggleBpEnabled(resource, start, end, line));
}
}
@Override
public void run() {
try {
toggleBreakpoint();
} catch (CoreException e) {
}
}
protected void toggleBreakpoint() throws CoreException {
IResource resource = (IResource) editor.getEditorInput().getAdapter(IResource.class);
// Hint: doc line numbers start at 0, but markers at 1, therefore + 1
int line = group.getLastSelectedLine() + 1;
int start = group.getLastSelectedOffset();
PluginAdapter adapter = PluginExtensionManager.getDefault().getAdapterByResourceExtension(resource.getFileExtension());
if (adapter == null) {
return;
}
// check if a BP already exists on that line and remove it
int end = calculateEnd(line, start);
IBreakpointManager breakpointManager = DebugPlugin.getDefault().getBreakpointManager();
IBreakpoint[] breakpoints = breakpointManager.getBreakpoints(MWEBreakpoint.DEBUG_MODEL_ID);
IBreakpoint bp = adapter.checkBreakpoints(breakpoints,resource,start, end, line);
if(bp != null){
bp.delete();
return;
}
// else: register it
bp = adapter.createBreakpoint(resource, start, end, line);
if (bp == null) {
return;
}
breakpointManager.addBreakpoint(bp);
}
private int calculateEnd(int line, int start) {
int end;
try {
end = group.isRulerSelected() ? group.getOffsetAtLine(line) : start;
} catch (IllegalArgumentException e) {
end = start;
}
return end;
}
}