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Java by API/org.eclipse.swt.custom/TreeEditor - История изменений
2026-04-22T17:35:17Z
История изменений этой страницы в вики
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http://www.jexp.ru/index.php?title=Java_by_API/org.eclipse.swt.custom/TreeEditor&diff=2221&oldid=prev
в 17:43, 31 мая 2010
2010-05-31T17:43:48Z
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 17:43, 31 мая 2010</td>
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http://www.jexp.ru/index.php?title=Java_by_API/org.eclipse.swt.custom/TreeEditor&diff=2222&oldid=prev
Admin: 1 версия
2010-05-31T14:43:38Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== new TreeEditor(Tree tree) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
<br />
import org.eclipse.swt.SWT;<br />
import org.eclipse.swt.custom.TreeEditor;<br />
import org.eclipse.swt.events.FocusAdapter;<br />
import org.eclipse.swt.events.FocusEvent;<br />
import org.eclipse.swt.events.KeyAdapter;<br />
import org.eclipse.swt.events.KeyEvent;<br />
import org.eclipse.swt.layout.FillLayout;<br />
import org.eclipse.swt.widgets.Display;<br />
import org.eclipse.swt.widgets.Shell;<br />
import org.eclipse.swt.widgets.Text;<br />
import org.eclipse.swt.widgets.Tree;<br />
import org.eclipse.swt.widgets.TreeItem;<br />
public class MainClass {<br />
public static void main(String[] a) {<br />
<br />
final Display d = new Display();<br />
final Shell shell = new Shell(d);<br />
shell.setSize(250, 200);<br />
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shell.setLayout(new FillLayout());<br />
final Tree tree = new Tree(shell, SWT.SINGLE);<br />
for (int i = 0; i < 3; i++) {<br />
TreeItem iItem = new TreeItem(tree, SWT.NONE);<br />
iItem.setText("Edit me by pressing F2 " + (i + 1));<br />
iItem.setExpanded(true);<br />
}<br />
final TreeEditor editor = new TreeEditor(tree);<br />
editor.horizontalAlignment = SWT.LEFT;<br />
editor.grabHorizontal = true;<br />
tree.addKeyListener(new KeyAdapter() {<br />
public void keyPressed(KeyEvent event) {<br />
if (event.keyCode == SWT.F2 && tree.getSelectionCount() == 1) {<br />
final TreeItem item = tree.getSelection()[0];<br />
final Text text = new Text(tree, SWT.NONE);<br />
text.setText(item.getText());<br />
text.setFocus();<br />
text.addFocusListener(new FocusAdapter() {<br />
public void focusLost(FocusEvent event) {<br />
item.setText(text.getText());<br />
text.dispose();<br />
}<br />
});<br />
editor.setEditor(text, item);<br />
}<br />
}<br />
});<br />
<br />
shell.open();<br />
while (!shell.isDisposed()) {<br />
if (!d.readAndDispatch())<br />
d.sleep();<br />
}<br />
d.dispose();<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== TreeEditor: setEditor(Control control, TreeItem item) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
import org.eclipse.swt.SWT;<br />
import org.eclipse.swt.custom.TreeEditor;<br />
import org.eclipse.swt.events.FocusAdapter;<br />
import org.eclipse.swt.events.FocusEvent;<br />
import org.eclipse.swt.events.KeyAdapter;<br />
import org.eclipse.swt.events.KeyEvent;<br />
import org.eclipse.swt.layout.FillLayout;<br />
import org.eclipse.swt.widgets.Display;<br />
import org.eclipse.swt.widgets.Shell;<br />
import org.eclipse.swt.widgets.Text;<br />
import org.eclipse.swt.widgets.Tree;<br />
import org.eclipse.swt.widgets.TreeItem;<br />
public class MainClass {<br />
public static void main(String[] a) {<br />
<br />
final Display d = new Display();<br />
final Shell shell = new Shell(d);<br />
shell.setSize(250, 200);<br />
<br />
<br />
shell.setLayout(new FillLayout());<br />
final Tree tree = new Tree(shell, SWT.SINGLE);<br />
for (int i = 0; i < 3; i++) {<br />
TreeItem iItem = new TreeItem(tree, SWT.NONE);<br />
iItem.setText("Edit me by pressing F2 " + (i + 1));<br />
iItem.setExpanded(true);<br />
}<br />
final TreeEditor editor = new TreeEditor(tree);<br />
editor.horizontalAlignment = SWT.LEFT;<br />
editor.grabHorizontal = true;<br />
tree.addKeyListener(new KeyAdapter() {<br />
public void keyPressed(KeyEvent event) {<br />
if (event.keyCode == SWT.F2 && tree.getSelectionCount() == 1) {<br />
final TreeItem item = tree.getSelection()[0];<br />
final Text text = new Text(tree, SWT.NONE);<br />
text.setText(item.getText());<br />
text.setFocus();<br />
text.addFocusListener(new FocusAdapter() {<br />
public void focusLost(FocusEvent event) {<br />
item.setText(text.getText());<br />
text.dispose();<br />
}<br />
});<br />
editor.setEditor(text, item);<br />
}<br />
}<br />
});<br />
<br />
shell.open();<br />
while (!shell.isDisposed()) {<br />
if (!d.readAndDispatch())<br />
d.sleep();<br />
}<br />
d.dispose();<br />
}<br />
}<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --></div>
Admin