CallOnUpdateExample.java

//   Copyright 2011 Palantir Technologies
//
//   Licensed under the Apache License, Version 2.0 (the "License");
//   you may not use this file except in compliance with the License.
//   You may obtain a copy of the License at
//
//       http://www.apache.org/licenses/LICENSE-2.0
//
//   Unless required by applicable law or agreed to in writing, software
//   distributed under the License is distributed on an "AS IS" BASIS,
//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//   See the License for the specific language governing permissions and
//   limitations under the License.
package com.palantir.ptoss.cinch.example.simple;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.lang.reflect.InvocationTargetException;

import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JPanel;

import com.palantir.ptoss.cinch.core.Bindings;
import com.palantir.ptoss.cinch.core.CallOnUpdate;
import com.palantir.ptoss.cinch.core.DefaultBindableModel;
import com.palantir.ptoss.cinch.example.Examples;
import com.palantir.ptoss.cinch.swing.Bound;

public class CallOnUpdateExample {

    static class CallOnUpdateModel extends DefaultBindableModel {
        boolean yellow;
        boolean blue;

        public boolean isYellow() {
            return yellow;
        }

        public void setYellow(boolean yellow) {
            this.yellow = yellow;
            update();
        }

        public boolean isBlue() {
            return blue;
        }

        public void setBlue(boolean blue) {
            this.blue = blue;
            update();
        }
    }

    private final CallOnUpdateModel model = new CallOnUpdateModel();

    @Bound(to = "yellow")
    private final JCheckBox yellow = new JCheckBox("yellow");
    @Bound(to = "blue")
    private final JCheckBox blue = new JCheckBox("blue");

    private final JPanel panel = new JPanel();

    private final Bindings bindings = Bindings.standard();

    public CallOnUpdateExample() {
        panel.add(yellow);
        yellow.setOpaque(false);
        panel.add(blue);
        blue.setOpaque(false);
        panel.setPreferredSize(new Dimension(200, 100));
        bindings.bind(this);
    }

    @CallOnUpdate(model = "model")
    public void synchBackground() {
        if (model.isYellow() && model.isBlue()) {
            panel.setBackground(Color.GREEN);
        } else if (model.isBlue()) {
            panel.setBackground(Color.BLUE);
        } else if (model.isYellow()) {
            panel.setBackground(Color.YELLOW);
        } else {
            panel.setBackground(Color.WHITE);
        }
    }

    public static void main(String[] args) throws InterruptedException, InvocationTargetException {
        EventQueue.invokeAndWait(new Runnable() {
            public void run() {
                CallOnUpdateExample example = new CallOnUpdateExample();
                JFrame frame = Examples.getFrameFor("Cinch CallOnUpdate Example", example.panel);
                frame.pack();
                frame.setVisible(true);
            }
        });
    }
}