Admin: 1 версия

2010-05-31T14:16:05Z

1 версия

Новая страница

== AccessibleAction: getAccessibleActionCount() ==



<source lang="java">
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.accessibility.AccessibleAction;
import javax.accessibility.AccessibleContext;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JToolBar;
public class MainClass extends JFrame {
MainClass(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JToolBar toolBar = new JToolBar();
Action a = new AbstractAction("Demo") {
public void actionPerformed(ActionEvent e) {
System.out.println("Action taken.");
}
};
JButton b = toolBar.add(a);
b.setText("Demo Button");
b.setToolTipText("Press me to take action.");
JMenu mainMenu = new JMenu("Menu");
JMenuItem mi = mainMenu.add(a);
mi.getAccessibleContext().setAccessibleName("Menu item");
JMenuBar mb = new JMenuBar();
mb.add(mainMenu);
setJMenuBar(mb);
JPanel pane = new JPanel();
pane.setLayout(new BorderLayout());
pane.setPreferredSize(new Dimension(200, 100));
pane.add(toolBar, BorderLayout.NORTH);
setContentPane(pane);
pack();
setVisible(true);
}
public static void main(String[] args) {
MainClass ad2;
ad2 = new MainClass("Accessibility Demo2");
ad2.dumpActionInfo(ad2.getAccessibleContext());
}
void dumpActionInfo(AccessibleContext ac) {
AccessibleAction aa = ac.getAccessibleAction();
if (aa != null) {
String s = ac.getAccessibleName();
System.out.println(s);
int count = aa.getAccessibleActionCount();
for (int i = 0; i < count; i++) {
s = aa.getAccessibleActionDescription(i);
System.out.println("Description = " + s);
}
}
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpActionInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
}

</source>



== AccessibleContext: getAccessibleAction() ==



<source lang="java">
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.accessibility.AccessibleAction;
import javax.accessibility.AccessibleContext;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JToolBar;
public class MainClass extends JFrame {
MainClass(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JToolBar toolBar = new JToolBar();
Action a = new AbstractAction("Demo") {
public void actionPerformed(ActionEvent e) {
System.out.println("Action taken.");
}
};
JButton b = toolBar.add(a);
b.setText("Demo Button");
b.setToolTipText("Press me to take action.");
JMenu mainMenu = new JMenu("Menu");
JMenuItem mi = mainMenu.add(a);
mi.getAccessibleContext().setAccessibleName("Menu item");
JMenuBar mb = new JMenuBar();
mb.add(mainMenu);
setJMenuBar(mb);
JPanel pane = new JPanel();
pane.setLayout(new BorderLayout());
pane.setPreferredSize(new Dimension(200, 100));
pane.add(toolBar, BorderLayout.NORTH);
setContentPane(pane);
pack();
setVisible(true);
}
public static void main(String[] args) {
MainClass ad2;
ad2 = new MainClass("Accessibility Demo2");
ad2.dumpActionInfo(ad2.getAccessibleContext());
}
void dumpActionInfo(AccessibleContext ac) {
AccessibleAction aa = ac.getAccessibleAction();
if (aa != null) {
String s = ac.getAccessibleName();
System.out.println(s);
int count = aa.getAccessibleActionCount();
for (int i = 0; i < count; i++) {
s = aa.getAccessibleActionDescription(i);
System.out.println("Description = " + s);
}
}
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpActionInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
}

</source>



== AccessibleContext: getAccessibleChildrenCount() ==



<source lang="java">
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.accessibility.AccessibleContext;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JFrame implements ActionListener {
JButton jb;
MainClass(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
AccessibleContext ac = getAccessibleContext();
ac.setAccessibleDescription("Accessibility Demo1 description.");
ac = getRootPane().getAccessibleContext();
ac.setAccessibleName("Root pane");
ac.setAccessibleDescription("Root pane description");
ac = getGlassPane().getAccessibleContext();
ac.setAccessibleName("Glass pane");
ac.setAccessibleDescription("Glass pane description");
ac = getLayeredPane().getAccessibleContext();
ac.setAccessibleName("Layered pane");
ac.setAccessibleDescription("Layered pane description");
ac = getContentPane().getAccessibleContext();
ac.setAccessibleName("Content pane");
ac.setAccessibleDescription("Content pane description");
JPanel p = new JPanel();
ac = p.getAccessibleContext();
ac.setAccessibleName("Panel");
ac.setAccessibleDescription("Panel description");
jb = new JButton("Press Me");
jb.addActionListener(this);
jb.setToolTipText("Press me for accessibility information.");
p.add(jb);
getContentPane().add(p);
setSize(200, 75);
setVisible(true);
}
public void actionPerformed(ActionEvent e) {
dumpInfo(getAccessibleContext());
}
void dumpInfo(AccessibleContext ac) {
System.out.println("Name = " + ac.getAccessibleName());
System.out.println("Description = " + ac.getAccessibleDescription());
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
public static void main(String[] args) {
new MainClass("Accessibility Demo1");
}
}

</source>



== AccessibleContext: getAccessibleDescription() ==



<source lang="java">
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.accessibility.AccessibleContext;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JFrame implements ActionListener {
JButton jb;
MainClass(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
AccessibleContext ac = getAccessibleContext();
ac.setAccessibleDescription("Accessibility Demo1 description.");
ac = getRootPane().getAccessibleContext();
ac.setAccessibleName("Root pane");
ac.setAccessibleDescription("Root pane description");
ac = getGlassPane().getAccessibleContext();
ac.setAccessibleName("Glass pane");
ac.setAccessibleDescription("Glass pane description");
ac = getLayeredPane().getAccessibleContext();
ac.setAccessibleName("Layered pane");
ac.setAccessibleDescription("Layered pane description");
ac = getContentPane().getAccessibleContext();
ac.setAccessibleName("Content pane");
ac.setAccessibleDescription("Content pane description");
JPanel p = new JPanel();
ac = p.getAccessibleContext();
ac.setAccessibleName("Panel");
ac.setAccessibleDescription("Panel description");
jb = new JButton("Press Me");
jb.addActionListener(this);
jb.setToolTipText("Press me for accessibility information.");
p.add(jb);
getContentPane().add(p);
setSize(200, 75);
setVisible(true);
}
public void actionPerformed(ActionEvent e) {
dumpInfo(getAccessibleContext());
}
void dumpInfo(AccessibleContext ac) {
System.out.println("Name = " + ac.getAccessibleName());
System.out.println("Description = " + ac.getAccessibleDescription());
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
public static void main(String[] args) {
new MainClass("Accessibility Demo1");
}
}

</source>



== AccessibleContext: getAccessibleName() ==



<source lang="java">
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.accessibility.AccessibleContext;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JFrame implements ActionListener {
JButton jb;
MainClass(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
AccessibleContext ac = getAccessibleContext();
ac.setAccessibleDescription("Accessibility Demo1 description.");
ac = getRootPane().getAccessibleContext();
ac.setAccessibleName("Root pane");
ac.setAccessibleDescription("Root pane description");
ac = getGlassPane().getAccessibleContext();
ac.setAccessibleName("Glass pane");
ac.setAccessibleDescription("Glass pane description");
ac = getLayeredPane().getAccessibleContext();
ac.setAccessibleName("Layered pane");
ac.setAccessibleDescription("Layered pane description");
ac = getContentPane().getAccessibleContext();
ac.setAccessibleName("Content pane");
ac.setAccessibleDescription("Content pane description");
JPanel p = new JPanel();
ac = p.getAccessibleContext();
ac.setAccessibleName("Panel");
ac.setAccessibleDescription("Panel description");
jb = new JButton("Press Me");
jb.addActionListener(this);
jb.setToolTipText("Press me for accessibility information.");
p.add(jb);
getContentPane().add(p);
setSize(200, 75);
setVisible(true);
}
public void actionPerformed(ActionEvent e) {
dumpInfo(getAccessibleContext());
}
void dumpInfo(AccessibleContext ac) {
System.out.println("Name = " + ac.getAccessibleName());
System.out.println("Description = " + ac.getAccessibleDescription());
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
public static void main(String[] args) {
new MainClass("Accessibility Demo1");
}
}

</source>



== AccessibleContext: getAccessibleRelationSet() ==



<source lang="java">
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());
}
}

</source>



== AccessibleContext: getAccessibleSelection() ==



<source lang="java">
import java.awt.Dimension;
import java.util.Vector;
import javax.accessibility.Accessible;
import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleSelection;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
public class MainClass extends JFrame {
MainClass() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Vector v = new Vector();
v.add("First item");
v.add("Second item");
v.add("Third item");
v.add("Fourth item");
JPanel p = new JPanel();
p.setPreferredSize(new Dimension(200, 100));
JList jl = new JList(v);
jl.setPreferredSize(new Dimension(100, 75));
p.add(new JScrollPane(jl));
getContentPane().add(p);
pack();
setVisible(true);
}
public static void main(String[] args) {
MainClass ad6 = new MainClass();
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
ad6.dumpSelectionInfo(ad6.getAccessibleContext());
}
void dumpSelectionInfo(AccessibleContext ac) {
AccessibleSelection as = ac.getAccessibleSelection();
if (as != null) {
int count = as.getAccessibleSelectionCount();
for (int i = 0; i < count; i++) {
Accessible a = as.getAccessibleSelection(i);
AccessibleContext ac2 = a.getAccessibleContext();
String s = ac2.getAccessibleName();
System.out.println("Name = " + s);
}
return;
}
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpSelectionInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
}

</source>



== AccessibleContext: getAccessibleTable() ==



<source lang="java">
import java.awt.Dimension;
import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleTable;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class MainClass extends JFrame {
MainClass() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel p = new JPanel();
p.setPreferredSize(new Dimension(200, 200));
JTable jt = new JTable(10, 3);
p.add(new JScrollPane(jt));
getContentPane().add(p);
pack();
setVisible(true);
}
public static void main(String[] args) {
MainClass ad7 = new MainClass();
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
}
ad7.dumpTableInfo(ad7.getAccessibleContext());
}
void dumpTableInfo(AccessibleContext ac) {
AccessibleTable at = ac.getAccessibleTable();
if (at != null) {
int nCol = at.getAccessibleColumnCount();
System.out.println("Columns = " + nCol);
int nRow = at.getAccessibleRowCount();
System.out.println("Rows = " + nRow);
return;
}
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpTableInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
}

</source>



== AccessibleContext: getAccessibleText() ==



<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>



== AccessibleContext: getAccessibleValue() ==



<source lang="java">
import java.awt.Adjustable;
import java.awt.Dimension;
import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleValue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollBar;
public class MainClass extends JFrame {
MainClass() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel p = new JPanel();
p.setPreferredSize(new Dimension(300, 50));
JScrollBar jsb;
jsb = new JScrollBar(Adjustable.HORIZONTAL, 0, 1, 0, 100);
jsb.setPreferredSize(new Dimension(200, 20));
p.add(jsb);
getContentPane().add(p);
pack();
setVisible(true);
}
public static void main(String[] args) {
MainClass ad9 = new MainClass();
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
}
ad9.dumpValueInfo(ad9.getAccessibleContext());
}
void dumpValueInfo(AccessibleContext ac) {
AccessibleValue av = ac.getAccessibleValue();
if (av != null) {
System.out.println("Minimum value = " + av.getMinimumAccessibleValue());
System.out.println("Current value = " + av.getCurrentAccessibleValue());
System.out.println("Maximum value = " + av.getMaximumAccessibleValue());
return;
}
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpValueInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
}

</source>



== AccessibleContext: setAccessibleDescription(String s) ==



<source lang="java">
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.accessibility.AccessibleContext;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JFrame implements ActionListener {
JButton jb;
MainClass(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
AccessibleContext ac = getAccessibleContext();
ac.setAccessibleDescription("Accessibility Demo1 description.");
ac = getRootPane().getAccessibleContext();
ac.setAccessibleName("Root pane");
ac.setAccessibleDescription("Root pane description");
ac = getGlassPane().getAccessibleContext();
ac.setAccessibleName("Glass pane");
ac.setAccessibleDescription("Glass pane description");
ac = getLayeredPane().getAccessibleContext();
ac.setAccessibleName("Layered pane");
ac.setAccessibleDescription("Layered pane description");
ac = getContentPane().getAccessibleContext();
ac.setAccessibleName("Content pane");
ac.setAccessibleDescription("Content pane description");
JPanel p = new JPanel();
ac = p.getAccessibleContext();
ac.setAccessibleName("Panel");
ac.setAccessibleDescription("Panel description");
jb = new JButton("Press Me");
jb.addActionListener(this);
jb.setToolTipText("Press me for accessibility information.");
p.add(jb);
getContentPane().add(p);
setSize(200, 75);
setVisible(true);
}
public void actionPerformed(ActionEvent e) {
dumpInfo(getAccessibleContext());
}
void dumpInfo(AccessibleContext ac) {
System.out.println("Name = " + ac.getAccessibleName());
System.out.println("Description = " + ac.getAccessibleDescription());
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
public static void main(String[] args) {
new MainClass("Accessibility Demo1");
}
}

</source>



== AccessibleContext: setAccessibleName(String s) ==



<source lang="java">
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.accessibility.AccessibleContext;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JFrame implements ActionListener {
JButton jb;
MainClass(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
AccessibleContext ac = getAccessibleContext();
ac.setAccessibleDescription("Accessibility Demo1 description.");
ac = getRootPane().getAccessibleContext();
ac.setAccessibleName("Root pane");
ac.setAccessibleDescription("Root pane description");
ac = getGlassPane().getAccessibleContext();
ac.setAccessibleName("Glass pane");
ac.setAccessibleDescription("Glass pane description");
ac = getLayeredPane().getAccessibleContext();
ac.setAccessibleName("Layered pane");
ac.setAccessibleDescription("Layered pane description");
ac = getContentPane().getAccessibleContext();
ac.setAccessibleName("Content pane");
ac.setAccessibleDescription("Content pane description");
JPanel p = new JPanel();
ac = p.getAccessibleContext();
ac.setAccessibleName("Panel");
ac.setAccessibleDescription("Panel description");
jb = new JButton("Press Me");
jb.addActionListener(this);
jb.setToolTipText("Press me for accessibility information.");
p.add(jb);
getContentPane().add(p);
setSize(200, 75);
setVisible(true);
}
public void actionPerformed(ActionEvent e) {
dumpInfo(getAccessibleContext());
}
void dumpInfo(AccessibleContext ac) {
System.out.println("Name = " + ac.getAccessibleName());
System.out.println("Description = " + ac.getAccessibleDescription());
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
public static void main(String[] args) {
new MainClass("Accessibility Demo1");
}
}

</source>

Java by API/javax.accessibility/AccessibleContext - История изменений

в 17:43, 31 мая 2010

Admin: 1 версия

← Предыдущая	Версия 17:43, 31 мая 2010
(нет различий)