Application: gvSIG desktop

/*

 * Created on 23-feb-2004

 *

 * To change the template for this generated file go to

 * Window>Preferences>Java>Code Generation>Code and Comments

 */

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.project.documents.view.toc.gui;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.Font;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Rectangle;

import java.util.Random;

import javax.swing.BorderFactory;

import javax.swing.Icon;

import javax.swing.JCheckBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTree;

import javax.swing.SpringLayout;

import javax.swing.UIManager;

import javax.swing.border.Border;

import javax.swing.tree.DefaultMutableTreeNode;

import javax.swing.tree.TreeCellRenderer;

import com.iver.cit.gvsig.fmap.layers.FLyrDefault;

import com.iver.cit.gvsig.project.documents.view.toc.ITocItem;

import com.iver.cit.gvsig.project.documents.view.toc.TocItemBranch;

import com.iver.cit.gvsig.project.documents.view.toc.util.DropTargetInfo;

/**

 * Renderer que actua sobre el TOC.

 *

 * @author vcn

 */

public class TOCRenderer extends JPanel implements TreeCellRenderer {

    public Border bordeSeleccionado = BorderFactory.createEtchedBorder();

    /*public Border bordeSeleccionado = BorderFactory.createBevelBorder(BevelBorder.RAISED,

            SystemColor.black, SystemColor.lightGray, SystemColor.gray,

            SystemColor.lightGray);

    */

    private Border bordeNormal = BorderFactory.createEmptyBorder();

        private JCheckBox check;

        private JLabel label;

        private static final Font BIGGER_FONT = 

                                                                          new Font("SansSerif", Font.BOLD, 12);

        GridBagLayout gridbag = new GridBagLayout();

        GridBagConstraints c = new GridBagConstraints();

        private DropTargetInfo graphicIndicatorInfo = null;

    /**

     * Creates a new TOCRenderer object.

     */

    public TOCRenderer() {

        this.setBackground(Color.lightGray);

        // this.setLayout(new BorderLayout());

        this.setLayout(new FlowLayout(FlowLayout.LEADING, 0,0));

                check = new JCheckBox();

                label = new JLabel();

                /* this.setLayout(gridbag);

                c.fill = GridBagConstraints.NONE;

                c.weightx = 1.0;

                c.anchor = GridBagConstraints.WEST;

                // c.weightx = check.getWidth();

                gridbag.setConstraints(check,c);

                this.add(check);

                c.anchor = GridBagConstraints.WEST;

                gridbag.setConstraints(colorPanel,c);

                // c.weightx = colorPanel.getWidth();

                this.add(colorPanel);

                c.gridwidth = GridBagConstraints.REMAINDER; //end row

                c.fill = GridBagConstraints.HORIZONTAL;                

                gridbag.setConstraints(label,c);

                this.add(label); */ 

                /* this.setLayout(new FlowLayout(FlowLayout.LEFT));

                this.add(check);

                this.add(colorPanel);

                this.add(label); */

                /* this.setLayout(new BoxLayout(this, BoxLayout.X_AXIS));

                this.add(check);

                this.add(colorPanel);

                this.add(label); */  

                SpringLayout theLayout = new SpringLayout();                 

                this.setLayout(theLayout);

                //int rows = 1;

                //int cols = 2;

                /* this.setLayout(new BorderLayout());

                this.add(check, BorderLayout.WEST);

                this.add(label, BorderLayout.CENTER);

                */ 

                /*

                GridBagLayout gridbag = new GridBagLayout();

        GridBagConstraints c = new GridBagConstraints();

        this.setLayout(gridbag);

        this.add(check);

        c.gridwidth = GridBagConstraints.REMAINDER;

        c.fill = GridBagConstraints.HORIZONTAL;

        this.add(label, c);

        */

//                Adjust constraints for the text field so it's at

//                (<label's right edge> + 5, 5).

                this.add(check);

                this.add(label);  

                theLayout.putConstraint(SpringLayout.WEST, label,

                                                   5,

                                                   SpringLayout.EAST, check); 

                this.setBorder(bordeSeleccionado);

        check.setBackground(UIManager.getColor("Button.background"));

        label.setForeground(UIManager.getColor("Tree.textForeground"));

    }

    public void setGraphicIndicatorInfo(DropTargetInfo dti) {

            graphicIndicatorInfo = dti;

    }

    /**

     * M?todo llamado una vez por cada nodo, y todas las veces que se redibuja

     * en pantalla el TOC.

     *

     * @param tree

     * @param value

     * @param isSelected

     * @param expanded

     * @param leaf

     * @param row

     * @param hasFocus

     *

     * @return

     */

    public Component getTreeCellRendererComponent(JTree tree, Object value,

        boolean isSelected, boolean expanded, boolean leaf, int _row,

        boolean hasFocus) {

        DefaultMutableTreeNode n = (DefaultMutableTreeNode) value;

                String stringValue = "";

                this.setBackground(UIManager.getColor("Button.background"));

                this.label.setFont(tree.getFont());

                // System.out.println("ancho tree=" + tree.getWidth());

                if (n.getUserObject() instanceof ITocItem)

                {

                       ITocItem item = (ITocItem) n.getUserObject();          

                       if (graphicIndicatorInfo != null) {

                               if (item == graphicIndicatorInfo.getTocItem()) {

                                this.setBackground( getRndColor() );

                           }

                       }

                        stringValue = item.getLabel();

                Dimension sizeNode = item.getSize();

                // Se fija en el resize del TOC

                        this.setPreferredSize(sizeNode);

                        if (item instanceof TocItemBranch)

                        {

                                TocItemBranch branch = (TocItemBranch) item;

                                FLyrDefault lyr = (FLyrDefault)branch.getLayer();

                                check.setVisible(true);

                                check.setSelected(lyr.visibleRequired());

                                if (!lyr.isAvailable()) {                                                                                

                                        check.setEnabled(false);

                                } else {                                        

                                        check.setEnabled(true);

                                        if (!lyr.isWithinScale(lyr.getMapContext().getScaleView()))

                                                check.setEnabled(false);

                                        if (lyr.isEditing())

                                        {

                                                this.label.setForeground(Color.RED);

                                        }

                                        else this.label.setForeground(Color.BLACK);

                                }

                                if (lyr.isActive())

                                {                                

                                        this.setBorder(bordeSeleccionado);

                                        this.label.setFont(BIGGER_FONT);

                                }

                                else

                                {                                

                                        this.setBorder(bordeNormal);

                                }                                

                }

                        else

                        {

                                check.setVisible(false);

                                this.setBorder(bordeNormal);                        

                        }

                label.setText(stringValue);

                Icon icono = item.getIcon();

                if (icono != null)

                {

                        label.setIcon(icono);

                        //System.out.println(">>>>>Pongo etiqueta " + stringValue + " con icono " + item.getIcon().toString());

                }

                this.setPreferredSize(sizeNode);

                }                

                // this.setPreferredSize(new Dimension(tree.getWidth()-60,24)); // sizeNode);

        if (leaf) {

            // label.setIcon(UIManager.getIcon("Tree.leafIcon"));

        } else if (expanded) {

            //label.setIcon(UIManager.getIcon("Tree.openIcon"));

        } else {

            //label.setIcon(UIManager.getIcon("Tree.closedIcon"));

        }

        return this;

    }

        public Rectangle getCheckBoxBounds() {

                return check.getBounds();

        }

        private static Random rnd = new Random(System.currentTimeMillis());

        private Color getRndColor() {

                int r = 128 + rnd.nextInt(128);

                int g = 128 + rnd.nextInt(128);

                int b = 128 + rnd.nextInt(128);

                return new Color(r,g,b);

        }

}