/*
 * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI 
 * for visualizing and manipulating spatial features with geometry and attributes.
 *
 * JUMP is Copyright (C) 2003 Vivid Solutions
 *
 * This program implements extensions to JUMP and is
 * Copyright (C) 2004 Integrated Systems Analysts, Inc.
 * 
 * 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; either version 2
 * of the License, or (at your option) any later version.
 * 
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 * For more information, contact:
 *
 * Integrated Systems Analysts, Inc.
 * 630C Anchors St., Suite 101
 * Fort Walton Beach, Florida
 * USA
 *
 * (850)862-7321
 */

package org.openjump.core.ui.plugin.edittoolbox;

import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;

import org.openjump.core.ui.plugin.edittoolbox.cursortools.ConstrainedMoveVertexTool;

import com.vividsolutions.jump.workbench.plugin.AbstractPlugIn;
import com.vividsolutions.jump.workbench.plugin.EnableCheckFactory;
import com.vividsolutions.jump.workbench.plugin.PlugInContext;
import com.vividsolutions.jump.workbench.ui.cursortool.QuasimodeTool;
import com.vividsolutions.jump.workbench.ui.cursortool.editing.EditingPlugIn;
import com.vividsolutions.jump.workbench.ui.toolbox.ToolboxDialog;

public class ConstrainedMoveVertexPlugIn extends AbstractPlugIn
{
    private boolean moveVertexButtonAdded = false;
    
    public void initialize(final PlugInContext context) throws Exception
    {
      //add a listener so that when the toolbox dialog opens the constrained tools will be added
        //we can't just add the tools directly at this point since the toolbox isn't ready yet
        
        context.getWorkbenchContext().getWorkbench().getFrame().addComponentListener(
        new ComponentAdapter()
        { 
            public void componentShown(ComponentEvent e)
            {
                final ToolboxDialog toolBox = ((EditingPlugIn) context.getWorkbenchContext().getBlackboard().get(EditingPlugIn.KEY)).getToolbox(context.getWorkbenchContext());
                toolBox.addComponentListener(new ComponentAdapter()
                {
                    
                    public void componentShown(ComponentEvent e)
                    {
                        addButton(context);
                    }
                    
                    public void componentHidden(ComponentEvent e)
                    {
                    }
                });
            }
        });        
    }
  
    public boolean execute(PlugInContext context) throws Exception
    {
        return true;
    }
    
    public void addButton(final PlugInContext context)
    {
        if (!moveVertexButtonAdded)
        {
            final ToolboxDialog toolbox = ((EditingPlugIn) context.getWorkbenchContext().getBlackboard().get(EditingPlugIn.KEY)).getToolbox(context.getWorkbenchContext());
            toolbox.addToolBar(); //to create a new row
            QuasimodeTool quasimodeTool = new QuasimodeTool(new ConstrainedMoveVertexTool(new EnableCheckFactory(toolbox.getContext())));
            quasimodeTool.add(new QuasimodeTool.ModifierKeySpec(true, false, false), null);
            quasimodeTool.add(new QuasimodeTool.ModifierKeySpec(true, true, false), null);
            toolbox.add(quasimodeTool, null);            
            toolbox.finishAddingComponents();
            toolbox.validate();
            moveVertexButtonAdded = true;
        }
    }
}