Java by API/javax.accessibility/AccessibleText

Материал из Java эксперт
Перейти к: навигация, поиск

AccessibleText: getCaretPosition()

   <source lang="java">

import java.awt.Dimension; import javax.accessibility.AccessibleContext; import javax.accessibility.AccessibleText; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; public class MainClass extends JFrame {

 MainClass() {
   setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JPanel p = new JPanel();
   p.setPreferredSize(new Dimension(300, 50));
   JTextField jtf = new JTextField(20);
   jtf.setPreferredSize(new Dimension(100, 20));
   p.add(jtf);
   getContentPane().add(p);
   pack();
   setVisible(true);
 }
 public static void main(String[] args) {
   MainClass ad8 = new MainClass();
   try {
     Thread.sleep(5000);
   } catch (InterruptedException e) {
   }
   ad8.dumpTextInfo(ad8.getAccessibleContext());
 }
 void dumpTextInfo(AccessibleContext ac) {
   AccessibleText at = ac.getAccessibleText();
   if (at != null) {
     System.out.println("Caret position = " + at.getCaretPosition());
     System.out.println("Selected text = " + at.getSelectedText());
     return;
   }
   int nChildren = ac.getAccessibleChildrenCount();
   for (int i = 0; i < nChildren; i++)
     dumpTextInfo(ac.getAccessibleChild(i).getAccessibleContext());
 }

}

      </source>
   
  
 
  



AccessibleText: getSelectedText()

   <source lang="java">

import java.awt.Dimension; import javax.accessibility.AccessibleContext; import javax.accessibility.AccessibleText; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; public class MainClass extends JFrame {

 MainClass() {
   setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JPanel p = new JPanel();
   p.setPreferredSize(new Dimension(300, 50));
   JTextField jtf = new JTextField(20);
   jtf.setPreferredSize(new Dimension(100, 20));
   p.add(jtf);
   getContentPane().add(p);
   pack();
   setVisible(true);
 }
 public static void main(String[] args) {
   MainClass ad8 = new MainClass();
   try {
     Thread.sleep(5000);
   } catch (InterruptedException e) {
   }
   ad8.dumpTextInfo(ad8.getAccessibleContext());
 }
 void dumpTextInfo(AccessibleContext ac) {
   AccessibleText at = ac.getAccessibleText();
   if (at != null) {
     System.out.println("Caret position = " + at.getCaretPosition());
     System.out.println("Selected text = " + at.getSelectedText());
     return;
   }
   int nChildren = ac.getAccessibleChildrenCount();
   for (int i = 0; i < nChildren; i++)
     dumpTextInfo(ac.getAccessibleChild(i).getAccessibleContext());
 }

}

      </source>