/*
    * Copyright (C) 2007-2012 Argeo GmbH
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *         http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.argeo.people.ui.dialogs;
  
  import javax.jcr.Node;
  import javax.jcr.Session;
  
  import org.argeo.connect.ui.SystemWorkbenchService;
  import org.argeo.connect.ui.parts.FilterEntitiesVirtualTable;
  import org.argeo.people.PeopleTypes;
  import org.eclipse.jface.dialogs.TrayDialog;
  import org.eclipse.jface.viewers.DoubleClickEvent;
  import org.eclipse.jface.viewers.IDoubleClickListener;
  import org.eclipse.jface.viewers.ISelectionChangedListener;
  import org.eclipse.jface.viewers.IStructuredSelection;
  import org.eclipse.jface.viewers.SelectionChangedEvent;
  import org.eclipse.swt.SWT;
  import org.eclipse.swt.graphics.Point;
  import org.eclipse.swt.layout.GridData;
  import org.eclipse.swt.widgets.Composite;
  import org.eclipse.swt.widgets.Control;
  import org.eclipse.swt.widgets.Shell;
  
  /** Dialog with a filtered list to choose an organisation */
  public class PickUpOrgDialog extends TrayDialog {
  	private static final long serialVersionUID = -2526572299370624808L;
  
  	// Business objects
  	private final Session session;
  	private SystemWorkbenchService systemWorkbenchService;
  	private Node selectedNode;
  
  	// this page widgets and UI objects
  	private FilterEntitiesVirtualTable tableCmp;
  	private final String title;
  
  	public PickUpOrgDialog(Shell parentShell, String title, Session session,
  			SystemWorkbenchService systemWorkbenchService, Node referencingNode) {
  		super(parentShell);
  		this.title = title;
  		this.session = session;
  		this.systemWorkbenchService = systemWorkbenchService;
  	}
  
  	protected Point getInitialSize() {
  		return new Point(400, 600);
  	}
  
  	protected Control createDialogArea(Composite parent) {
  		Composite dialogArea = (Composite) super.createDialogArea(parent);
  
  		// final Button seeAllChk = new Button(dialogArea, SWT.CHECK);
  		// seeAllChk.setText("See all organisation");
  
  		int style = SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL;
  		tableCmp = new FilterEntitiesVirtualTable(dialogArea, style, session, systemWorkbenchService,
  				PeopleTypes.PEOPLE_ORG);
  		tableCmp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  
  		// Add listeners
  		tableCmp.getTableViewer().addDoubleClickListener(new MyDoubleClickListener());
  		tableCmp.getTableViewer().addSelectionChangedListener(new MySelectionChangedListener());
  
  		parent.pack();
  		return dialogArea;
  	}
  
  	public Node getSelected() {
  		return selectedNode;
  	}
  
  	protected void configureShell(Shell shell) {
  		super.configureShell(shell);
  		shell.setText(title);
  	}
  
  	class MySelectionChangedListener implements ISelectionChangedListener {
  		@Override
  		public void selectionChanged(SelectionChangedEvent event) {
  			if (event.getSelection().isEmpty())
  				return;
  
  			Object obj = ((IStructuredSelection) event.getSelection()).getFirstElement();
  			if (obj instanceof Node) {
  				selectedNode = (Node) obj;
  			}
 		}
 	}
 
 	class MyDoubleClickListener implements IDoubleClickListener {
 		public void doubleClick(DoubleClickEvent evt) {
 			if (evt.getSelection().isEmpty())
 				return;
 
 			Object obj = ((IStructuredSelection) evt.getSelection()).getFirstElement();
 			if (obj instanceof Node) {
 				selectedNode = (Node) obj;
 				okPressed();
 			}
 		}
 	}
 }