| gvSIG desktop 1

package es.prodevelop.cit.gvsig.arcims.gui.panels.utils;

import java.awt.Component;

import javax.swing.DefaultListCellRenderer;

import javax.swing.Icon;

import javax.swing.JComponent;

import javax.swing.JList;

import javax.swing.UIManager;

import javax.swing.border.Border;

import javax.swing.border.EmptyBorder;

/**

 * This class sets the tool tips in a JList component.

 * 

 * @author jldominguez

 */

public class SelectedLayersListCellRenderer extends DefaultListCellRenderer {

        private static final Border SAFE_NO_FOCUS_BORDER = new EmptyBorder(1, 1, 1,

                        1);

        private static final long serialVersionUID = 0;

        public SelectedLayersListCellRenderer() {

                super();

        }

        /**

         * Sets special graphic properties (colors, and tool tips) in list elements

         * and returns <tt>this</tt>.

         */

        public Component getListCellRendererComponent(JList list, Object value,

                        int index, boolean isSelected, boolean cellHasFocus) {

                JComponent jc;

                LayersListElement lle;

                setComponentOrientation(list.getComponentOrientation());

                if (isSelected) {

                        setBackground(list.getSelectionBackground());

                        setForeground(list.getSelectionForeground());

                } else {

                        setBackground(list.getBackground());

                        setForeground(list.getForeground());

                }

                if (value instanceof Icon) {

                        setIcon((Icon) value);

                        setText("");

                } else {

                        setIcon(null);

                        setText((value == null) ? "" : value.toString());

                }

                setEnabled(list.isEnabled());

                setFont(list.getFont());

                setBorder((cellHasFocus) ? UIManager

                                .getBorder("List.focusCellHighlightBorder")

                                : getNoFocusBorder());

                // Set the specific tool tip:

                if (value instanceof LayersListElement) {

                        lle = (LayersListElement) value;

                        jc = (JComponent) this;

                        jc.setToolTipText(lle.toolTipText());

                }

                return this;

        }

        private static Border getNoFocusBorder() {

                if (System.getSecurityManager() != null) {

                        return SAFE_NO_FOCUS_BORDER;

                } else {

                        return noFocusBorder;

                }

        }

}