AccessibleRelation: getTarget() : AccessibleRelation « javax.accessibility « Java by API

1. Java by API
2. javax.accessibility
3. AccessibleRelation

AccessibleRelation: getTarget()

import java.awt.Dimension;

import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleRelation;
import javax.accessibility.AccessibleRelationSet;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
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));
    JLabel jl = new JLabel("Name:");
    p.add(jl);
    JTextField jtf = new JTextField(20);
    jtf.getAccessibleContext().setAccessibleName("Name-entry");
    p.add(jtf);

    AccessibleRelation ar = new AccessibleRelation("connector", jtf);

    AccessibleContext ac = jl.getAccessibleContext();
    ac.getAccessibleRelationSet().add(ar);

    getContentPane().add(p);

    pack();
    setVisible(true);
  }

  public static void main(String[] args) {
    MainClass ad11 = new MainClass();

    try {
      Thread.sleep(5000);
    } catch (InterruptedException e) {
    }

    ad11.dumpConnectedInfo(ad11.getAccessibleContext());
  }

  void dumpConnectedInfo(AccessibleContext ac) {
    AccessibleRelationSet ars = ac.getAccessibleRelationSet();

    AccessibleRelation ar = null;

    if (ars != null)
      ar = ars.get("connector");

    if (ar != null) {
      Object[] o = ar.getTarget();
      JComponent jc = (JComponent) o[0];
      System.out.println("Label connected to: " + jc.getAccessibleContext().getAccessibleName());
      return;
    }
    int nChildren = ac.getAccessibleChildrenCount();
    for (int i = 0; i < nChildren; i++)
      dumpConnectedInfo(ac.getAccessibleChild(i).getAccessibleContext());
  }
}

           
       

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