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A simple node-relationship editor
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/** 
 * Copyright (C) 2010  Jorge J. Gomez-Sanz
 * 
 * This file is part of the INGENME tool. INGENME is an open source meta-editor
 * which produces customized editors for user-defined modeling languages
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation version 3 of the License
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see 
 **/

package ingenias.editor;

import ingenias.editor.actions.HistoryManager;
import ingenias.editor.actions.SwitchViewsAction;
import ingenias.editor.editionmode.EmbeddedCellEditor;
import ingenias.editor.editionmode.PopupCellEditor;
import ingenias.editor.entities.Entity;
import ingenias.editor.filters.DiagramFilter;
import ingenias.editor.filters.FilterManager;
import ingenias.editor.persistence.PersistenceManager;
import ingenias.editor.widget.DnDJTree;
import ingenias.exception.CannotLoad;
import ingenias.exception.UnknowFormat;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.util.Properties;
import java.util.Vector;
import java.util.Hashtable;

import javax.swing.AbstractAction;
import javax.swing.JComponent;
import javax.swing.JTree;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.TreeExpansionEvent;
import javax.swing.event.TreeExpansionListener;
import javax.swing.event.TreeModelEvent;
import javax.swing.event.TreeModelListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;

import org.jgraph.event.GraphModelEvent;
import org.jgraph.event.GraphModelListener;
import org.jgraph.graph.DefaultGraphCell;

import com.languageExplorer.widgets.ScrollableBar;


public class DiagramPaneInitialization {
	private IDEState ids;
	private GUIResources resources;


	public DiagramPaneInitialization(IDEState ids, GUIResources resources){
		this.ids=ids;
		this.resources=resources;
	}

	/*public void initialiseResourcesFromInitialIDEState(){
		DnDJTree arbolProyectos=resources.getArbolProyectos();
		JTree arbolObjetos=resources.getArbolObjetos();
		DefaultMutableTreeNode rootProyectos=(DefaultMutableTreeNode) arbolProyectos.getModel().getRoot();
		DefaultMutableTreeNode rootObjetos=(DefaultMutableTreeNode) arbolObjetos.getModel().getRoot();
		this.replaceTree(rootObjetos,
				(DefaultMutableTreeNode) ids.om.arbolObjetos.getModel().getRoot());

		this.replaceTree(rootProyectos,
				(DefaultMutableTreeNode) resources.getArbolProyectos().getModel().getRoot());
		ids.setChanged(false);
		resources.setUnChanged();
	}*/

	public void createEditorAndRelatedComponents(final IDEState ids){
		ids.gm.getArbolProyecto().getModel().addTreeModelListener(new TreeModelListener(){
			public void treeNodesChanged(TreeModelEvent arg0) {
				ids.otherChange();

			}
			public void treeNodesInserted(TreeModelEvent arg0) {
				ids.otherChange();				
			}
			public void treeNodesRemoved(TreeModelEvent arg0) {
				ids.otherChange();				
			}
			public void treeStructureChanged(TreeModelEvent arg0) {
				ids.otherChange();				
			}			
		});
		ids.gm.getArbolProyecto().addTreeExpansionListener(new TreeExpansionListener(){

			public void treeCollapsed(TreeExpansionEvent arg0) {
				ids.otherChange();						
			}

			public void treeExpanded(TreeExpansionEvent arg0) {
				ids.otherChange();						
			}

		});

		resources.setCommonButtons(new ButtonToolBar(ids.editor,ids.gm,ids.om));
		//resources.getPprin().removeAll();
		resources.getButtonModelPanel().removeAll();
		resources.getPprin().add(ids.editor, java.awt.BorderLayout.CENTER);		
		//ids.editor = new Editor(ids.om,ids.gm, ids.prefs);		
		resources.getPprin().add(resources.getCommonButtons(), java.awt.BorderLayout.NORTH);
		ActionListener copyAction=new ActionListener(){
			public void actionPerformed(ActionEvent e) {
				resources.getCommonButtons().copy.actionPerformed(e);
			}
		};
		ActionListener pasteAction=new ActionListener(){
			public void actionPerformed(ActionEvent e) {
				resources.getCommonButtons().paste.actionPerformed(e);
			}
		};
		ActionListener removeAction=new ActionListener(){
			public void actionPerformed(ActionEvent e) {
				resources.getCommonButtons().remove.actionPerformed(e);
			}
		};

		KeyStroke copyshortcut=KeyStroke.getKeyStroke("ctrl C");
		ids.editor.getGraphPanel().registerKeyboardAction(copyAction,copyshortcut,JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
		copyshortcut=KeyStroke.getKeyStroke("ctrl c");
		ids.editor.getGraphPanel().registerKeyboardAction(copyAction,copyshortcut,JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);

		KeyStroke pasteshortcut=KeyStroke.getKeyStroke("ctrl V");
		ids.editor.getGraphPanel().registerKeyboardAction(pasteAction,pasteshortcut,JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
		pasteshortcut=KeyStroke.getKeyStroke("ctrl v");
		ids.editor.getGraphPanel().registerKeyboardAction(pasteAction,pasteshortcut,JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);

		KeyStroke removeshortcut=KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_DELETE, 0);
		ids.editor.getGraphPanel().registerKeyboardAction(removeAction,removeshortcut,JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);

		initialiseEditor(ids.editor, ids);
	}

	private void locateAndScrollToObject(String id) {	
		Vector foundpaths = this.ids.om.findUserObjectPathRegexp(id);
		if (foundpaths.size()>0){											
			TreePath tp=(TreePath)foundpaths.elementAt(0);
			ids.om.arbolObjetos.expandPath(tp);	  
			ids.om.arbolObjetos.scrollPathToVisible(tp);
			ids.om.arbolObjetos.setSelectionPath(tp);				
		}
	}



	private void initialiseEditor(final Editor editor, final IDEState ids){
		editor.setEnabled(false);

		
		addBasicListenersToEditor(editor, ids,resources);

		editor.addGraphModelListener(new GraphModelListener(){

			public void graphChanged(GraphModelEvent e) {
				ids.setChanged(true);
				resources.setChanged();
				Object[] insertedObjects=e.getChange().getInserted();
				if (insertedObjects!=null){
					for (int k=0;k npath=new Vector