package org.erlide.debug.ui.actions;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.IShellProvider;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IActionDelegate;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PropertyDialogAction;
import org.erlide.backend.debug.IErlangBreakpoint;
public class ErlangBreakpointPropertiesAction implements IObjectActionDelegate {
private IWorkbenchPart fPart;
IErlangBreakpoint fBreakpoint;
/**
* @see IActionDelegate#run(IAction)
*/
@Override
public void run(final IAction action) {
if (fBreakpoint != null) {
IShellProvider provider;
if (fPart != null) {
provider = fPart.getSite();
} else {
provider = new IShellProvider() {
@Override
public Shell getShell() {
final IWorkbench workbench = PlatformUI.getWorkbench();
final IWorkbenchWindow window = workbench
.getActiveWorkbenchWindow();
return window == null ? null : window.getShell();
}
};
}
final PropertyDialogAction propertyAction = new PropertyDialogAction(
provider, new ISelectionProvider() {
@Override
public void addSelectionChangedListener(
final ISelectionChangedListener listener) {
}
@Override
public ISelection getSelection() {
return new StructuredSelection(fBreakpoint);
}
@Override
public void removeSelectionChangedListener(
final ISelectionChangedListener listener) {
}
@Override
public void setSelection(final ISelection selection) {
}
});
propertyAction.run();
}
}
/**
* @see IActionDelegate#selectionChanged(IAction, ISelection)
*/
@Override
public void selectionChanged(final IAction action, final ISelection selection) {
if (selection instanceof IStructuredSelection) {
final IStructuredSelection ss = (IStructuredSelection) selection;
if (ss.isEmpty() || ss.size() > 1) {
return;
}
final Object element = ss.getFirstElement();
if (element instanceof IErlangBreakpoint) {
setBreakpoint((IErlangBreakpoint) element);
} else {
setBreakpoint(null);
}
}
}
/**
* Allows the underlying breakpoint for the properties page to be set
*
* @param breakpoint
*/
public void setBreakpoint(final IErlangBreakpoint breakpoint) {
fBreakpoint = breakpoint;
}
/**
* @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
*/
@Override
public void setActivePart(final IAction action, final IWorkbenchPart targetPart) {
fPart = targetPart;
}
}