| /******************************************************************************* |
| * Copyright (c) 2007 Chase Technology Ltd - http://www.chasetechnology.co.uk |
| * 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: |
| * Doug Satchwell (Chase Technology Ltd) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xsl.internal.debug.ui.actions; |
| |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.actions.SelectionListenerAction; |
| import org.eclipse.wst.xsl.internal.debug.ui.tabs.main.ParameterViewer; |
| |
| public abstract class AbstractParameterAction extends SelectionListenerAction |
| { |
| public static final int DEFAULT = 0; |
| public static final int ADD = 1; |
| public static final int REMOVE = 2; |
| public static final int MOVE = 3; |
| |
| private ParameterViewer viewer; |
| private Button button; |
| private Shell shell; |
| |
| protected AbstractParameterAction(String text, ParameterViewer viewer) |
| { |
| super(text); |
| setViewer(viewer); |
| } |
| |
| public void setViewer(ParameterViewer viewer) |
| { |
| if (this.viewer != null) |
| { |
| this.viewer.removeSelectionChangedListener(this); |
| } |
| this.viewer = viewer; |
| if (viewer != null) |
| { |
| viewer.addSelectionChangedListener(this); |
| update(); |
| } |
| } |
| |
| protected ParameterViewer getViewer() |
| { |
| return viewer; |
| } |
| |
| public void setButton(Button button) |
| { |
| this.button = button; |
| button.addSelectionListener(new SelectionAdapter() |
| { |
| @Override |
| public void widgetSelected(SelectionEvent evt) |
| { |
| run(); |
| } |
| }); |
| button.setEnabled(isEnabled()); |
| } |
| |
| @Override |
| public void setEnabled(boolean enabled) |
| { |
| super.setEnabled(enabled); |
| if (button != null) |
| { |
| button.setEnabled(enabled); |
| } |
| } |
| |
| protected void update() |
| { |
| selectionChanged((IStructuredSelection) getViewer().getSelection()); |
| } |
| |
| protected Shell getShell() |
| { |
| if (shell == null) |
| { |
| shell = getViewer().getShell(); |
| } |
| return shell; |
| } |
| |
| public void setShell(Shell shell) |
| { |
| this.shell = shell; |
| } |
| |
| @Override |
| protected boolean updateSelection(IStructuredSelection selection) |
| { |
| return getViewer().updateSelection(getActionType(), selection); |
| } |
| |
| protected int getActionType() |
| { |
| return DEFAULT; |
| } |
| } |