propertysheetpage2.java

JGraph扩展应用。自定义Renderer,自定义视图View实现自定义工作流控件

/**
 * @PROJECT.FULLNAME@ @VERSION@ License.
 *
 * Copyright @YEAR@ L2FProd.com
 *
 * 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.l2fprod.common.demo;

import com.l2fprod.common.propertysheet.Property;
import com.l2fprod.common.propertysheet.PropertySheet;
import com.l2fprod.common.propertysheet.PropertySheetPanel;
import com.l2fprod.common.swing.LookAndFeelTweaks;

import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.SimpleBeanInfo;

import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JTextArea;

/**
 * PropertySheetPage2. <br>
 *  
 */
public class PropertySheetPage2 extends JPanel {

  public PropertySheetPage2() {
    setLayout(LookAndFeelTweaks.createVerticalPercentLayout());
    
    final JButton button = new JButton();
    button.setText("Change my properties!");
    BeanInfo beanInfo = new SimpleBeanInfo();
    try {
      beanInfo = Introspector.getBeanInfo(JButton.class);
    } catch (IntrospectionException e) {
      e.printStackTrace();
    }
    final PropertySheetPanel sheet = new PropertySheetPanel();
    sheet.setMode(PropertySheet.VIEW_AS_FLAT_LIST);
    sheet.setToolBarVisible(false);
    sheet.setDescriptionVisible(false);
    sheet.setBeanInfo(beanInfo);

    final JPanel panel = new JPanel(LookAndFeelTweaks.createBorderLayout());
    panel.add("Center", sheet);
    panel.add("East", button);

    // initialize the properties with the value from the object
    // one can use sheet.readFromObject(button)
    // but I encountered some issues with Java Web Start. The method
    // getLocationOnScreen on the button is throwing an exception, it
    // does not happen when not using Web Start. Load properties one
    // by one as follow will do the trick
    Property[] properties = sheet.getProperties();
    for (int i = 0, c = properties.length; i < c; i++) {
      try {
        properties[i].readFromObject(button);
      } catch (Exception e) {
      }
    }

    // everytime a property change, update the button with it
    PropertyChangeListener listener = new PropertyChangeListener() {
      public void propertyChange(PropertyChangeEvent evt) {
        Property prop = (Property)evt.getSource();
        prop.writeToObject(button);
        button.repaint();
      }
    };
    sheet.addPropertySheetChangeListener(listener);

    JTextArea message = new JTextArea();
    message.setText(PropertySheetMain.RESOURCE.getString("Main.sheet2.message"));
    LookAndFeelTweaks.makeMultilineLabel(message);
    panel.add("North", message);

    add(panel, "*");
  }

}