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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.examples.layoutexample;
import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.events.*;
import java.text.*;
import java.util.*;
public class LayoutExample {
private static ResourceBundle resourceBundle = ResourceBundle.getBundle("examples_layout");
private TabFolder tabFolder;
/**
* Creates an instance of a LayoutExample embedded inside
* the supplied parent Composite.
*
* @param parent the container of the example
*/
public LayoutExample(Composite parent) {
tabFolder = new TabFolder (parent, SWT.NULL);
Tab [] tabs = new Tab [] {
new FillLayoutTab (this),
new RowLayoutTab (this),
new GridLayoutTab (this),
new FormLayoutTab (this),
};
for (int i=0; i<tabs.length; i++) {
TabItem item = new TabItem (tabFolder, SWT.NULL);
item.setText (tabs [i].getTabText ());
item.setControl (tabs [i].createTabFolderPage (tabFolder));
}
}
/**
* Grabs input focus.
*/
public void setFocus() {
tabFolder.setFocus();
}
/**
* Disposes of all resources associated with a particular
* instance of the LayoutExample.
*/
public void dispose() {
tabFolder = null;
}
/**
* Invokes as a standalone program.
*/
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
new LayoutExample(shell);
shell.setText(getResourceString("window.title"));
shell.addShellListener (new ShellAdapter () {
public void shellClosed(ShellEvent e) {
Shell [] shells = display.getShells();
for (int i = 0; i < shells.length; i++) {
if (shells [i] != shell) shells [i].close ();
}
}
});
shell.open();
while (! shell.isDisposed()) {
if (! display.readAndDispatch()) display.sleep();
}
}
/**
* Gets a string from the resource bundle.
* We don't want to crash because of a missing String.
* Returns the key if not found.
*/
static String getResourceString(String key) {
try {
return resourceBundle.getString(key);
} catch (MissingResourceException e) {
return key;
} catch (NullPointerException e) {
return "!" + key + "!";
}
}
/**
* Gets a string from the resource bundle and binds it
* with the given arguments. If the key is not found,
* return the key.
*/
static String getResourceString(String key, Object[] args) {
try {
return MessageFormat.format(getResourceString(key), args);
} catch (MissingResourceException e) {
return key;
} catch (NullPointerException e) {
return "!" + key + "!";
}
}
}
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