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package org.eclipse.debug.internal.ui;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
import java.util.Iterator;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IMarkerDelta;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.debug.core.*;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.jface.viewers.*;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.actions.SelectionProviderAction;
import org.eclipse.ui.help.WorkbenchHelp;
/**
* Enables or disables a breakpoint
*/
public class EnableDisableBreakpointAction extends SelectionProviderAction implements IBreakpointListener {
private final static String PREFIX= "enable_disable_breakpoint_action.";
private final static String ENABLE= PREFIX + TEXT + ".enable";
private final static String DISABLE= PREFIX + TEXT + ".disable";
private final static String ERROR= PREFIX + "error.";
private final static String STATUS= PREFIX + "status.message";
/**
* Creates the action to enable/disable breakpoints
*/
public EnableDisableBreakpointAction(ISelectionProvider selectionProvider) {
super(selectionProvider, DebugUIUtils.getResourceString(PREFIX + TEXT));
setEnabled(!getStructuredSelection().isEmpty());
WorkbenchHelp.setHelp(
this,
new Object[] { IDebugHelpContextIds.ENABLE_DISABLE_BREAKPOINT_ACTION });
}
/**
* @see Action
*/
public void run() {
IStructuredSelection selection= (IStructuredSelection) getStructuredSelection();
//Get the selected marker
Iterator enum= selection.iterator();
if (!enum.hasNext()) {
return;
}
MultiStatus ms= new MultiStatus(DebugUIPlugin.getDefault().getDescriptor().getUniqueIdentifier(), IDebugStatusConstants.REQUEST_FAILED, DebugUIUtils.getResourceString(STATUS), null);
while (enum.hasNext()) {
IBreakpoint breakpoint = (IBreakpoint) enum.next();
try {
breakpoint.setEnabled(!breakpoint.isEnabled());
} catch (CoreException e) {
ms.merge(e.getStatus());
}
}
if (!ms.isOK()) {
DebugUIUtils.errorDialog(DebugUIPlugin.getActiveWorkbenchWindow().getShell(), ERROR, ms);
}
}
/**
* @see SelectionProviderAction
*/
public void selectionChanged(IStructuredSelection sel) {
Iterator enum= sel.iterator();
if (!enum.hasNext()) {
//No selection
setEnabled(false);
return;
}
IBreakpoint bp= (IBreakpoint)enum.next();
if (!enum.hasNext()) {
//single selection
try {
if (bp.isEnabled()) {
setText(DebugUIUtils.getResourceString(DISABLE));
} else {
setText(DebugUIUtils.getResourceString(ENABLE));
}
} catch (CoreException ce) {
DebugUIUtils.errorDialog(DebugUIPlugin.getActiveWorkbenchWindow().getShell(), ERROR, ce.getStatus());
}
} else {
// multi- selection
setText(DebugUIUtils.getResourceString(PREFIX + TEXT));
}
setEnabled(true);
}
/**
* @see IBreakpointListener
*/
public void breakpointAdded(IBreakpoint breakpoint) {
}
/**
* @see IBreakpointListener
*/
public void breakpointRemoved(IBreakpoint breakpoint, IMarkerDelta delta) {
}
/**
* @see IBreakpointListener
*/
public void breakpointChanged(IBreakpoint breakpoint, IMarkerDelta delta) {
Display display= Display.getDefault();
if (display.isDisposed()) {
return;
}
display.asyncExec(new Runnable() {
public void run() {
ISelection s= getSelectionProvider().getSelection();
if (s instanceof IStructuredSelection) {
selectionChanged((IStructuredSelection) s);
}
}
});
}
/**
* Returns the breakpoint manager
*/
private IBreakpointManager getBreakpointManager() {
return DebugPlugin.getDefault().getBreakpointManager();
}
}
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