GeoInspectorPanel.java

/*
 * GeoInspectorPanel.java
 *
 * Created on May 4, 2007, 2:25 PM
 */

package ika.gui;

import com.l2fprod.common.swing.JFontChooser;
import ika.geo.GeoObject;
import ika.geo.GeoPath;
import ika.geo.GeoSet;
import ika.geo.GeoText;
import ika.geo.MapEvent;
import ika.geo.MapEventListener;
import ika.geo.VectorSymbol;
import java.awt.CardLayout;
import java.awt.Component;
import java.awt.Font;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.JPanel;

/**
 *
 * @author  Bernhard Jenny, Instute of Cartography, ETH Zurich.
 */
public class GeoInspectorPanel extends javax.swing.JPanel
        implements MapEventListener{
    
    private static final String VECTOR = "vector";
    
    private static final String FONT = "font";

    private static final String NONE = "none";
    
    private VectorSymbolPanel vectorSymbolPanel;
    
    private JFontChooser fontChooser;
    
    private GeoText singleSelectedGeoText;
    
    /** Creates new form GeoInspectorPanel */
    public GeoInspectorPanel() {
        initComponents();
        
        JPanel emptyPanel = new JPanel();
        this.add(emptyPanel, NONE);
        
        this.vectorSymbolPanel = new VectorSymbolPanel();
        this.add(vectorSymbolPanel, VECTOR);
        
        this.fontChooser = new JFontChooser();
        PropertyChangeListener l = new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent evt) {
                if (singleSelectedGeoText == null)
                    return;
                Font newFont = fontChooser.getSelectedFont();
                if (newFont == null)
                    return;
                singleSelectedGeoText.getFontSymbol().setFont(newFont);
            }
        };
        this.fontChooser.addPropertyChangeListener(l);
        
        this.add(fontChooser, FONT);
        
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {

        setLayout(new java.awt.CardLayout());

    }// </editor-fold>//GEN-END:initComponents
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    // End of variables declaration//GEN-END:variables
    
    public void mapEvent(MapEvent evt) {
        
        GeoSet rootGeoSet = evt.getRootGeoSet();
        if (rootGeoSet == null)
            return;
        
        GeoObject singleSelectedGeoObj = rootGeoSet.getSingleSelectedGeoObject();
        CardLayout cl = (CardLayout)(this.getLayout());
        if (singleSelectedGeoObj instanceof GeoPath) {
            GeoPath geoPath = (GeoPath)singleSelectedGeoObj;
            VectorSymbol vs = geoPath.getVectorSymbol();
            this.vectorSymbolPanel.setVectorSymbol(vs);
            cl.show(this, VECTOR);
        } else if (singleSelectedGeoObj  instanceof GeoText) {
            this.singleSelectedGeoText = (GeoText)singleSelectedGeoObj;
            Font font = this.singleSelectedGeoText.getFontSymbol().getFont();
            this.fontChooser.setSelectedFont(font);
            cl.show(this, FONT);
        } else {
            // if multiple objects are selected or if no object is selected,
            // display an empty panel.
            this.vectorSymbolPanel.setVectorSymbol(null);
            this.fontChooser.setFont(null);
            cl.show(this, NONE);
        }
        
    }
    
}