DefaultBindableColorChooser.java

/***************************************************
*
* cismet GmbH, Saarbruecken, Germany
*
*              ... and it just works.
*
****************************************************/
package de.cismet.cids.editors;

import org.jdesktop.beansbinding.Converter;
import org.jdesktop.beansbinding.Validator;

import java.awt.Color;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

import javax.swing.JColorChooser;

import de.cismet.cids.editors.converters.ColorToStringConverter;

/**
 * DOCUMENT ME!
 *
 * @author   jruiz
 * @version  $Revision$, $Date$
 */
public class DefaultBindableColorChooser extends javax.swing.JPanel implements Bindable {

    //~ Static fields/initializers ---------------------------------------------

    public static final String PROP_TIMESTAMP = "color"; // NOI18N

    //~ Instance fields --------------------------------------------------------

    private final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger(this.getClass());

    private Color color;
    private boolean readOnly = false;
    private PropertyChangeSupport propertyChangeSupport;
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton btnChooseColor;
    private javax.swing.JPanel jPanel1;
    private org.jdesktop.beansbinding.BindingGroup bindingGroup;
    // End of variables declaration//GEN-END:variables

    //~ Constructors -----------------------------------------------------------

    /**
     * Creates new form DefaultBindableColorChooser.
     */
    public DefaultBindableColorChooser() {
        initComponents();
    }

    //~ Methods ----------------------------------------------------------------

    /**
     * DOCUMENT ME!
     *
     * @return  DOCUMENT ME!
     */
    public PropertyChangeSupport getPropertyChangeSupport() {
        if (propertyChangeSupport == null) {
            propertyChangeSupport = new PropertyChangeSupport(this);
        }
        return propertyChangeSupport;
    }

    /**
     * Add PropertyChangeListener.
     *
     * @param  listener  DOCUMENT ME!
     */
    @Override
    public void addPropertyChangeListener(final PropertyChangeListener listener) {
        if (listener != null) {
            getPropertyChangeSupport().addPropertyChangeListener(listener);
        }
    }

    /**
     * Remove PropertyChangeListener.
     *
     * @param  listener  DOCUMENT ME!
     */
    @Override
    public void removePropertyChangeListener(final PropertyChangeListener listener) {
        getPropertyChangeSupport().removePropertyChangeListener(listener);
    }

    /**
     * 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.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {
        final java.awt.GridBagConstraints gridBagConstraints;
        bindingGroup = new org.jdesktop.beansbinding.BindingGroup();

        jPanel1 = new javax.swing.JPanel();
        btnChooseColor = new javax.swing.JButton();

        setOpaque(false);
        setLayout(new java.awt.GridBagLayout());

        jPanel1.setLayout(new java.awt.BorderLayout());

        btnChooseColor.setToolTipText("Hier klicken um eine Farbe auszuwählen");

        final org.jdesktop.beansbinding.Binding binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(
                org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE,
                this,
                org.jdesktop.beansbinding.ELProperty.create("${color}"),
                btnChooseColor,
                org.jdesktop.beansbinding.BeanProperty.create("background"));
        bindingGroup.addBinding(binding);

        btnChooseColor.addActionListener(new java.awt.event.ActionListener() {

                @Override
                public void actionPerformed(final java.awt.event.ActionEvent evt) {
                    btnChooseColorActionPerformed(evt);
                }
            });
        jPanel1.add(btnChooseColor, java.awt.BorderLayout.CENTER);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        add(jPanel1, gridBagConstraints);

        bindingGroup.bind();
    } // </editor-fold>//GEN-END:initComponents

    /**
     * DOCUMENT ME!
     *
     * @param  evt  DOCUMENT ME!
     */
    private void btnChooseColorActionPerformed(final java.awt.event.ActionEvent evt) { //GEN-FIRST:event_btnChooseColorActionPerformed
        if (!readOnly) {
            final Color newColor = JColorChooser.showDialog(this, "Farbe auswählen", color);
            if (newColor != null) {
                setColor(newColor);
            }
        }
    }                                                                                  //GEN-LAST:event_btnChooseColorActionPerformed

    @Override
    public String getBindingProperty() {
        return PROP_TIMESTAMP; // NOI18N
    }

    @Override
    public Converter getConverter() {
        return new ColorToStringConverter();
    }

    @Override
    public Validator getValidator() {
        return null;
    }

    /**
     * DOCUMENT ME!
     *
     * @return  DOCUMENT ME!
     */
    public Color getColor() {
        return color;
    }

    @Override
    public Object getNullSourceValue() {
        return null;
    }

    @Override
    public Object getErrorSourceValue() {
        return null;
    }

    /**
     * DOCUMENT ME!
     *
     * @param  color  DOCUMENT ME!
     */
    public void setColor(final Color color) {
        if (log.isDebugEnabled()) {
            log.debug("setColor: " + color); // NOI18N
        }
        this.color = color;
        getPropertyChangeSupport().firePropertyChange(PROP_TIMESTAMP, null, getColor());
    }

    /**
     * DOCUMENT ME!
     *
     * @param  readOnly  DOCUMENT ME!
     */
    public void setReadOnly(final boolean readOnly) {
        this.readOnly = readOnly;

        btnChooseColor.setEnabled(readOnly);
    }
}