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Java > Open Source Codes > demo > swingset > SplitPaneDemo


1 /*
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35
36 /*
37  * @(#)SplitPaneDemo.java 1.8 03/01/23
38  */
39 package demo.swingset;
40
41 import swingwtx.swing.*;
42 import swingwtx.swing.event.*;
43 import swingwtx.swing.text.*;
44 import swingwtx.swing.table.*;
45 import swingwtx.swing.border.*;
46 import swingwtx.swing.colorchooser.*;
47 import swingwtx.swing.filechooser.*;
48 import javax.accessibility.*;
49
50 import swingwt.awt.*;
51 import swingwt.awt.event.*;
52 import java.beans.*;
53 import java.util.*;
54 import java.io.*;
55 import java.applet.*;
56 import java.net.*;
57
58 /**
59  * Split Pane demo
60  *
61  * @version 1.8 01/23/03
62  * @author Scott Violet
63  * @author Jeff Dinkins
64  */
65 public class SplitPaneDemo extends DemoModule {
66
67     JSplitPane splitPane = null;
68     JLabel earth = null;
69     JLabel moon = null;
70     
71     /**
72      * main method allows us to run as a standalone demo.
73      */
74     public static void main(String JavaDoc[] args) {
75     SplitPaneDemo demo = new SplitPaneDemo(null);
76     demo.mainImpl();
77     }
78     
79     /**
80      * SplitPaneDemo Constructor
81      */
82     public SplitPaneDemo(SwingSet2 swingset) {
83     super(swingset, "SplitPaneDemo", "toolbar/JSplitPane.gif");
84
85     earth = new JLabel(createImageIcon("splitpane/earth.jpg", getString("SplitPaneDemo.earth")));
86     earth.setMinimumSize(new Dimension(20, 20));
87
88     moon = new JLabel(createImageIcon("splitpane/moon.jpg", getString("SplitPaneDemo.moon")));
89     moon.setMinimumSize(new Dimension(20, 20));
90     
91         splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, earth, moon);
92         splitPane.setContinuousLayout(true);
93     splitPane.setOneTouchExpandable(true);
94
95         splitPane.setDividerLocation(200);
96
97     getDemoPanel().add(splitPane, BorderLayout.CENTER);
98     getDemoPanel().setBackground(Color.black);
99
100     getDemoPanel().add(createSplitPaneControls(), BorderLayout.SOUTH);
101     }
102     
103     /**
104      * Creates controls to alter the JSplitPane.
105      */
106     protected JPanel createSplitPaneControls() {
107         JPanel wrapper = new JPanel();
108         ButtonGroup group = new ButtonGroup();
109         JRadioButton button;
110
111         Box buttonWrapper = new Box(BoxLayout.X_AXIS);
112     
113         wrapper.setLayout(new GridLayout(0, 1));
114     
115         /* Create a radio button to vertically split the split pane. */
116         button = new JRadioButton(getString("SplitPaneDemo.vert_split"));
117         button.setMnemonic(getMnemonic("SplitPaneDemo.vert_split_mnemonic"));
118         button.addActionListener(new ActionListener() {
119             public void actionPerformed(ActionEvent e) {
120                 splitPane.setOrientation(JSplitPane.VERTICAL_SPLIT);
121             }
122         });
123         group.add(button);
124         buttonWrapper.add(button);
125
126         /* Create a radio button the horizontally split the split pane. */
127         button = new JRadioButton(getString("SplitPaneDemo.horz_split"));
128         button.setMnemonic(getMnemonic("SplitPaneDemo.horz_split_mnemonic"));
129         button.setSelected(true);
130         button.addActionListener(new ActionListener() {
131             public void actionPerformed(ActionEvent e) {
132                 splitPane.setOrientation(JSplitPane.HORIZONTAL_SPLIT);
133             }
134         });
135         group.add(button);
136         buttonWrapper.add(button);
137     
138         /* Create a check box as to whether or not the split pane continually
139            lays out the component when dragging. */
140         JCheckBox checkBox = new JCheckBox(getString("SplitPaneDemo.cont_layout"));
141         checkBox.setMnemonic(getMnemonic("SplitPaneDemo.cont_layout_mnemonic"));
142         checkBox.setSelected(true);
143     
144         checkBox.addChangeListener(new ChangeListener() {
145             public void stateChanged(ChangeEvent e) {
146                 splitPane.setContinuousLayout(
147             ((JCheckBox)e.getSource()).isSelected());
148             }
149         });
150         buttonWrapper.add(checkBox);
151     
152         /* Create a check box as to whether or not the split pane divider
153            contains the oneTouchExpandable buttons. */
154         checkBox = new JCheckBox(getString("SplitPaneDemo.one_touch_expandable"));
155         checkBox.setMnemonic(getMnemonic("SplitPaneDemo.one_touch_expandable_mnemonic"));
156         checkBox.setSelected(true);
157     
158         checkBox.addChangeListener(new ChangeListener() {
159             public void stateChanged(ChangeEvent e) {
160                 splitPane.setOneTouchExpandable(
161             ((JCheckBox) e.getSource()).isSelected());
162         }
163     });
164     buttonWrapper.add(checkBox);
165     wrapper.add(buttonWrapper);
166     
167     /* Create a text field to change the divider size. */
168     JPanel tfWrapper;
169     JTextField tf;
170     JLabel label;
171     
172     tf = new JTextField();
173     tf.setText(new Integer JavaDoc(splitPane.getDividerSize()).toString());
174     tf.setColumns(5);
175     //tf.getAccessibleContext().setAccessibleName(getString("SplitPaneDemo.divider_size"));
176 tf.addActionListener(new ActionListener() {
177         public void actionPerformed(ActionEvent e) {
178         String JavaDoc value = ((JTextField)e.getSource()).getText();
179         int newSize;
180         
181         try {
182             newSize = Integer.parseInt(value);
183         } catch (Exception JavaDoc ex) {
184             newSize = -1;
185         }
186         if(newSize > 0) {
187             splitPane.setDividerSize(newSize);
188         } else {
189             JOptionPane.showMessageDialog(splitPane,
190                           getString("SplitPaneDemo.invalid_divider_size"),
191                           getString("SplitPaneDemo.error"),
192                           JOptionPane.ERROR_MESSAGE);
193         }
194         }
195     });
196     label = new JLabel(getString("SplitPaneDemo.divider_size"));
197     tfWrapper = new JPanel(new FlowLayout(FlowLayout.LEFT));
198     tfWrapper.add(label);
199     tfWrapper.add(tf);
200     label.setLabelFor(tf);
201     label.setDisplayedMnemonic(getMnemonic("SplitPaneDemo.divider_size_mnemonic"));
202     wrapper.add(tfWrapper);
203     
204     /* Create a text field that will change the preferred/minimum size
205        of the earth component. */
206     tf = new JTextField(String.valueOf(earth.getMinimumSize().width));
207     tf.setColumns(5);
208     //tf.getAccessibleContext().setAccessibleName(getString("SplitPaneDemo.first_component_min_size"));
209 tf.addActionListener(new ActionListener() {
210         public void actionPerformed(ActionEvent e) {
211         String JavaDoc value = ((JTextField)e.getSource()).getText();
212         int newSize;
213         
214         try {
215             newSize = Integer.parseInt(value);
216         } catch (Exception JavaDoc ex) {
217             newSize = -1;
218         }
219         if(newSize > 10) {
220             earth.setMinimumSize(new Dimension(newSize, newSize));
221         } else {
222             JOptionPane.showMessageDialog(splitPane,
223                           getString("SplitPaneDemo.invalid_min_size") +
224                           getString("SplitPaneDemo.must_be_greater_than") + 10,
225                           getString("SplitPaneDemo.error"),
226                           JOptionPane.ERROR_MESSAGE);
227         }
228         }
229     });
230     label = new JLabel(getString("SplitPaneDemo.first_component_min_size"));
231     tfWrapper = new JPanel(new FlowLayout(FlowLayout.LEFT));
232     tfWrapper.add(label);
233     tfWrapper.add(tf);
234     label.setLabelFor(tf);
235     label.setDisplayedMnemonic(getMnemonic("SplitPaneDemo.first_component_min_size_mnemonic"));
236     wrapper.add(tfWrapper);
237     
238     /* Create a text field that will change the preferred/minimum size
239        of the moon component. */
240     tf = new JTextField(String.valueOf(moon.getMinimumSize().width));
241     tf.setColumns(5);
242     //tf.getAccessibleContext().setAccessibleName(getString("SplitPaneDemo.second_component_min_size"));
243 tf.addActionListener(new ActionListener() {
244         public void actionPerformed(ActionEvent e) {
245         String JavaDoc value = ((JTextField)e.getSource()).getText();
246         int newSize;
247         
248         try {
249             newSize = Integer.parseInt(value);
250         } catch (Exception JavaDoc ex) {
251             newSize = -1;
252         }
253         if(newSize > 10) {
254             moon.setMinimumSize(new Dimension(newSize, newSize));
255         } else {
256             JOptionPane.showMessageDialog(splitPane,
257                           getString("SplitPaneDemo.invalid_min_size") +
258                           getString("SplitPaneDemo.must_be_greater_than") + 10,
259                           getString("SplitPaneDemo.error"),
260                           JOptionPane.ERROR_MESSAGE);
261         }
262         }
263     });
264     label = new JLabel(getString("SplitPaneDemo.second_component_min_size"));
265     tfWrapper = new JPanel(new FlowLayout(FlowLayout.LEFT));
266     tfWrapper.add(label);
267     tfWrapper.add(tf);
268     label.setLabelFor(tf);
269     label.setDisplayedMnemonic(getMnemonic("SplitPaneDemo.second_component_min_size_mnemonic"));
270     wrapper.add(tfWrapper);
271     
272     return wrapper;
273     }
274     
275 }
276
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