commonsrc.ingenias.editor.widget.DnDJTreeObject Maven / Gradle / Ivy

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The INGENIAS Meta-Editor core. It is a set of facilities to generate an editor from a detailed xml description
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/*
    This code has been extracted and modified from an original
    work from Rob Kenworthy and an example from Sheetal Gupta
    (http://java.sun.com/docs/books/tutorial/dnd/sheetal.html)

 */

package ingenias.editor.widget;

import ingenias.editor.entities.Entity;
import ingenias.editor.events.DndObjectTreeTransferable;
import ingenias.generator.browser.Browser;
import ingenias.generator.browser.BrowserImp;
import ingenias.generator.browser.GraphEntity;
import ingenias.generator.browser.GraphEntityImp;

import javax.swing.JTree;

import java.awt.dnd.*;
import java.awt.Point;
import java.awt.datatransfer.*;
import java.awt.Cursor;
import java.io.*;

import javax.swing.event.TreeModelEvent;
import javax.swing.event.TreeModelListener;
import javax.swing.tree.*;

import java.awt.Component;

import org.jgraph.JGraph;
import org.jgraph.graph.AttributeMap;
import org.jgraph.graph.CellView;
import org.jgraph.graph.ConnectionSet;
import org.jgraph.graph.DefaultGraphCell;
import org.jgraph.graph.DefaultGraphModel;
import org.jgraph.graph.GraphConstants;
import org.jgraph.graph.GraphLayoutCache;
import org.jgraph.graph.GraphModel;
import org.jgraph.graph.GraphTransferable;
import org.jgraph.graph.ParentMap;
import org.jgraph.plaf.basic.BasicGraphUI;

import javax.swing.JViewport;

import java.awt.*;
import java.awt.*;
import java.awt.dnd.*;
import java.awt.event.*;
import java.awt.geom.Rectangle2D;
import java.awt.datatransfer.*;

import javax.swing.*;

import java.util.*;
import java.awt.Point;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;

import javax.swing.JComponent;
import javax.swing.TransferHandler;

import org.jgraph.JGraph;

public class DnDJTreeObject extends JTree implements java.io.Serializable,
DragSourceListener,DragGestureListener{

	public JScrollPane getContainer() {
		return container;
	}


	public void setContainer(JScrollPane container) {
		this.container = container;
	}

	DropTarget dropTarget=null;
	DragSource dragSource=null;
	JScrollPane container=null;
	Vector expansionPaths=new Vector();

	boolean dragOn=false;

	DefaultMutableTreeNode nodeInTransfer=null;
	TreeNode root=null;
	private Browser browser;

	public DnDJTreeObject(JScrollPane jsp,TreeNode tn) {
		super(tn);
		this.setAutoscrolls(true);
		this.container=jsp;
		final JTree jt=this;
		this.root=tn;
		dragSource=new DragSource();
		dragSource.createDefaultDragGestureRecognizer(this,
				DnDConstants.ACTION_COPY,this);
		this.setEditable(true); 

	}

	public TreeNode getRoot(){
		return root;
	}

	public void storeTreeExpansionPaths(){
		TreePath[] tp=this.getPathBetweenRows(0,this.getRowCount()-1);
		expansionPaths=new Vector();
		for (int k=0;k10)){
			container.validate();

			container.getVerticalScrollBar().setValue(container.getVerticalScrollBar().getValue()-10);
		}




		// this.getLocation()

		if (dmtn!=null){


			this.setSelectionPath(new TreePath(dmtn.getPath()));

		} else {
		}
	}

	public void dragOver (DropTargetDragEvent event) {
		this.moveMouseWithDrag(event.getLocation());


	}


	public void setBrowser(Browser browser) {
		this.browser=browser;		
	}


	@Override
	public void dropActionChanged(DragSourceDragEvent dsde) {
		// TODO Auto-generated method stub
		
	}

	

}