UserInfoPropertySection.java

/*
 * ====================================================================
 * 
 * The ObjectStyle Group Software License, Version 1.0
 * 
 * Copyright (c) 2006 The ObjectStyle Group and individual authors of the
 * software. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * 3. The end-user documentation included with the redistribution, if any, must
 * include the following acknowlegement: "This product includes software
 * developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
 * this acknowlegement may appear in the software itself, if and wherever such
 * third-party acknowlegements normally appear.
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 * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse or
 * promote products derived from this software without prior written permission.
 * For written permission, please contact andrus@objectstyle.org.
 * 
 * 5. Products derived from this software may not be called "ObjectStyle" nor
 * may "ObjectStyle" appear in their names without prior written permission of
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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * OBJECTSTYLE GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * ====================================================================
 * 
 * This software consists of voluntary contributions made by many individuals on
 * behalf of the ObjectStyle Group. For more information on the ObjectStyle
 * Group, please see <http://objectstyle.org/>.
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package org.objectstyle.wolips.eomodeler.editors.userInfo;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.views.properties.tabbed.AbstractPropertySection;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
import org.objectstyle.wolips.baseforuiplugins.plist.IPropertyListChangeListener;
import org.objectstyle.wolips.baseforuiplugins.plist.PropertyListEditor;
import org.objectstyle.wolips.eomodeler.core.model.IUserInfoable;
import org.objectstyle.wolips.eomodeler.core.model.UserInfoableEOModelObject;
import org.objectstyle.wolips.eomodeler.core.utils.NotificationMap;

public class UserInfoPropertySection extends AbstractPropertySection implements IPropertyListChangeListener, PropertyChangeListener {
	private IUserInfoable _userInfoable;

	private PropertyListEditor _propertyListEditor;

	public void createControls(Composite _parent, TabbedPropertySheetPage _tabbedPropertySheetPage) {
		super.createControls(_parent, _tabbedPropertySheetPage);

		Set<String> filteredKeyPaths = new HashSet<String>();
		filteredKeyPaths.add("Root." + UserInfoableEOModelObject.ENTITY_MODELER_KEY);
		_propertyListEditor = new PropertyListEditor(_parent, true, false, filteredKeyPaths);
		_propertyListEditor.setListener(this);
	}

	@SuppressWarnings("unchecked")
	public void setInput(IWorkbenchPart _part, ISelection _selection) {
		super.setInput(_part, _selection);
		removeListeners();
		NotificationMap userInfo;
		if (_selection instanceof IStructuredSelection) {
			_userInfoable = (IUserInfoable) ((IStructuredSelection) _selection).getFirstElement();
			userInfo = _userInfoable.getUserInfo();
			if (userInfo == null) {
				userInfo = new NotificationMap();
				_userInfoable.setUserInfo(userInfo);
			}
			userInfo.addPropertyChangeListener(this);
		} else {
			_userInfoable = null;
			userInfo = null;
		}
		_propertyListEditor.setInput(userInfo);
		refresh();
	}

	protected void removeListeners() {
		if (_userInfoable != null) {
			_userInfoable.getUserInfo().removePropertyChangeListener(this);
		}
	}

	public void dispose() {
		super.dispose();
		removeListeners();
	}

	public void refresh() {
		super.refresh();
		_propertyListEditor.refresh();
	}

	public boolean shouldUseExtraSpace() {
		return true;
	}

	public IUserInfoable getUserInfoable() {
		return _userInfoable;
	}

	public void propertyChange(PropertyChangeEvent evt) {
		_propertyListEditor.refresh();
	}
	
	public void pathRenamed(String oldPath, String newPath) {
		updateUserInfo();
	}

	public void pathAdded(String path, Object value) {
		updateUserInfo();
	}

	public void pathRemoved(String path, Object value) {
		updateUserInfo();
	}

	public void pathChanged(String path, Object oldValue, Object newValue) {
		updateUserInfo();
	}

	@SuppressWarnings("unchecked")
	protected void updateUserInfo() {
		Map userInfo = (Map) _propertyListEditor.getInput();
		_userInfoable.setUserInfo(userInfo);
	}
}