Finder


1   /*
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3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    *
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7    * or http://www.netbeans.org/cddl.txt.
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9    * When distributing Covered Code, include this CDDL Header Notice in each file
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11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package examples.texteditor;
21  
22  /** Finder dialog is used to allow the user to search for given string.
23   */
24  public class Finder extends javax.swing.JDialog   {
25  
26      /** Finder constructor.
27       * It creates modal dialog and displays it.
28       */
29      public Finder(java.awt.Frame   parent, javax.swing.JTextArea   textEditor) {
30          super(parent, true);
31          this.textEditor = textEditor;
32          initComponents();
33          pack();
34          setLocationRelativeTo(parent);
35          findField.requestFocus();
36      }
37  
38      /** This method is called from within the constructor to
39       * initialize the form.
40       * WARNING: Do NOT modify this code. The content of this method is
41       * always regenerated by the FormEditor.
42       */
43      private void initComponents() {//GEN-BEGIN:initComponents
44          java.awt.GridBagConstraints   gridBagConstraints;
45  
46          findPanel = new javax.swing.JPanel  ();
47          findLabel = new javax.swing.JLabel  ();
48          findField = new javax.swing.JTextField  ();
49          buttonPanel = new javax.swing.JPanel  ();
50          findButton = new javax.swing.JButton  ();
51          closeButton = new javax.swing.JButton  ();
52  
53          getContentPane().setLayout(new java.awt.GridBagLayout  ());
54  
55          setTitle("Find");
56          addWindowListener(new java.awt.event.WindowAdapter  () {
57              public void windowClosing(java.awt.event.WindowEvent   evt) {
58                  closeDialog(evt);
59              }
60          });
61  
62          getAccessibleContext().setAccessibleName("Find Dialog");
63          getAccessibleContext().setAccessibleDescription("Find dialog.");
64          findPanel.setLayout(new java.awt.GridBagLayout  ());
65  
66          findLabel.setLabelFor(findField);
67          findLabel.setText("Find text:");
68          findPanel.add(findLabel, new java.awt.GridBagConstraints  ());
69          findLabel.getAccessibleContext().setAccessibleDescription("Find text.");
70  
71          findField.addActionListener(new java.awt.event.ActionListener  () {
72              public void actionPerformed(java.awt.event.ActionEvent   evt) {
73                  findFieldActionPerformed(evt);
74              }
75          });
76  
77          gridBagConstraints = new java.awt.GridBagConstraints  ();
78          gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
79          gridBagConstraints.weightx = 1.0;
80          gridBagConstraints.insets = new java.awt.Insets  (0, 5, 0, 0);
81          findPanel.add(findField, gridBagConstraints);
82          findField.getAccessibleContext().setAccessibleName("Find Field");
83          findField.getAccessibleContext().setAccessibleDescription("Find field.");
84  
85          gridBagConstraints = new java.awt.GridBagConstraints  ();
86          gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
87          gridBagConstraints.insets = new java.awt.Insets  (11, 12, 0, 11);
88          getContentPane().add(findPanel, gridBagConstraints);
89  
90          buttonPanel.setLayout(new java.awt.GridBagLayout  ());
91  
92          findButton.setMnemonic('f');
93          findButton.setText("Find");
94          findButton.addActionListener(new java.awt.event.ActionListener  () {
95              public void actionPerformed(java.awt.event.ActionEvent   evt) {
96                  findButtonActionPerformed(evt);
97              }
98          });
99  
100         buttonPanel.add(findButton, new java.awt.GridBagConstraints  ());
101 
102         closeButton.setMnemonic('c');
103         closeButton.setText("Close");
104         closeButton.addActionListener(new java.awt.event.ActionListener  () {
105             public void actionPerformed(java.awt.event.ActionEvent   evt) {
106                 closeButtonActionPerformed(evt);
107             }
108         });
109 
110         gridBagConstraints = new java.awt.GridBagConstraints  ();
111         gridBagConstraints.insets = new java.awt.Insets  (0, 5, 0, 0);
112         buttonPanel.add(closeButton, gridBagConstraints);
113 
114         gridBagConstraints = new java.awt.GridBagConstraints  ();
115         gridBagConstraints.gridx = 0;
116         gridBagConstraints.gridy = 1;
117         gridBagConstraints.anchor = java.awt.GridBagConstraints.SOUTHEAST;
118         gridBagConstraints.insets = new java.awt.Insets  (17, 12, 11, 11);
119         getContentPane().add(buttonPanel, gridBagConstraints);
120 
121     }//GEN-END:initComponents
122 
123     /** This method is called when ENTER is pressed in Find text field.
124      * If the field contains some text, it invokes Find button action, otherwise does nothing.
125      * @param evt ActionEvent instance passed from actionPerformed event.
126      */
127     private void findFieldActionPerformed(java.awt.event.ActionEvent   evt) {//GEN-FIRST:event_findFieldActionPerformed
128         if (findField.getText().trim().length() > 0)
129             findButton.doClick();
130     }//GEN-LAST:event_findFieldActionPerformed
131 
132     /** This method is called when Find button is pressed.
133      * If the field contains some text, it sets the caret position to the searched word, otherwise does nothing.
134      * @param evt ActionEvent instance passed from actionPerformed event.
135      */
136     private void findButtonActionPerformed(java.awt.event.ActionEvent   evt) {//GEN-FIRST:event_findButtonActionPerformed
137         // Add your handling code here:
138         String   text = textEditor.getText();
139         String   textToFind = findField.getText();
140         if (!"".equals(textToFind)) {
141             int index = text.indexOf(textToFind);
142             if (index != -1) {
143                 textEditor.setCaretPosition(index);
144                 closeDialog(null);
145             } else {
146                 java.awt.Toolkit.getDefaultToolkit().beep();
147             }
148         }
149     }//GEN-LAST:event_findButtonActionPerformed
150 
151     /** This method is called when Close button is pressed.
152      * It closes the Finder dialog.
153      * @param evt ActionEvent instance passed from actionPerformed event.
154      */
155     private void closeButtonActionPerformed(java.awt.event.ActionEvent   evt) {//GEN-FIRST:event_closeButtonActionPerformed
156         closeDialog(null);
157     }//GEN-LAST:event_closeButtonActionPerformed
158 
159     /** This method is called when the dialog is closed.
160      * @param evt WindowEvent instance passed from windowClosing event.
161      */
162     private void closeDialog(java.awt.event.WindowEvent   evt) {//GEN-FIRST:event_closeDialog
163         setVisible(false);
164         dispose();
165     }//GEN-LAST:event_closeDialog
166 
167 
168     // Variables declaration - do not modify//GEN-BEGIN:variables
169     private javax.swing.JPanel   buttonPanel;
170     private javax.swing.JButton   closeButton;
171     private javax.swing.JButton   findButton;
172     private javax.swing.JTextField   findField;
173     private javax.swing.JLabel   findLabel;
174     private javax.swing.JPanel   findPanel;
175     // End of variables declaration//GEN-END:variables
176 
177     private javax.swing.JTextArea   textEditor;
178 
179 }
180
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