/*******************************************************************************
* Copyright (c) 2009 EclipseSource 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:
* EclipseSource - initial API and implementation
******************************************************************************/
package org.eclipse.rap.examples.pages;
import org.eclipse.rap.examples.IExamplePage;
import org.eclipse.rwt.graphics.Graphics;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class RowLayoutExample implements IExamplePage {
private Composite parent;
private Composite layoutComp;
private boolean propCenter = false;
private boolean propFill = false;
private boolean propJustify = false;
private boolean propPack = true;
private boolean propWrap = false;
private boolean propPrefSize;
public void createControl( final Composite parent ) {
this.parent = parent;
parent.setLayout( ExampleUtil.createGridLayout( 1, false, 10, 10 ) );
createLayoutArea();
createControlButtons( parent );
}
public void createLayoutArea() {
if( layoutComp == null ) {
layoutComp = new Composite( parent, SWT.NONE );
GridData layoutData = new GridData( SWT.FILL, SWT.FILL, true, true );
layoutComp.setLayoutData( layoutData );
FillLayout layout = new FillLayout();
layout.spacing = 10;
layoutComp.setLayout( layout );
}
Control[] children = layoutComp.getChildren();
for( int i = 0; i < children.length; i++ ) {
children[ i ].dispose();
}
createLayoutComp( layoutComp, SWT.HORIZONTAL );
createLayoutComp( layoutComp, SWT.VERTICAL );
layoutComp.layout();
}
private void createLayoutComp( final Composite parent, final int style ) {
Composite composite = new Composite( parent, SWT.NONE );
composite.setLayout( ExampleUtil.createGridLayout( 1, false ) );
String text
= style == SWT.VERTICAL ? "Vertical RowLayout" : "Horizontal RowLayout";
new Label( composite, SWT.NONE ).setText( text );
Composite layoutComp = new Composite( composite, SWT.BORDER );
if( !propPrefSize ) {
layoutComp.setLayoutData( new GridData( SWT.FILL, SWT.FILL, true, true ) );
}
RowLayout layout = new RowLayout( style );
layout.marginTop = 0;
layout.marginBottom = 0;
layout.marginLeft = 0;
layout.marginRight = 0;
layout.marginWidth = 5;
layout.marginHeight = 5;
layout.center = propCenter;
layout.fill = propFill ;
layout.justify = propJustify;
layout.pack = propPack;
layout.wrap = propWrap;
layoutComp.setLayout( layout );
Button button1 = new Button( layoutComp, SWT.PUSH );
button1.setText( "Add" );
ClassLoader classLoader = getClass().getClassLoader();
Image imgAdd = Graphics.getImage( "resources/add_obj.gif", classLoader );
button1.setImage( imgAdd );
Button button2 = new Button( layoutComp, SWT.PUSH );
button2.setText( "Remove" );
Image imgDelete = Graphics.getImage( "resources/delete_obj.gif",
classLoader );
button2.setImage( imgDelete );
Button button3 = new Button( layoutComp, SWT.PUSH );
button3.setText( "Up" );
Image imgUp = Graphics.getImage( "resources/up.gif", classLoader );
button3.setImage( imgUp );
Button button4 = new Button( layoutComp, SWT.PUSH );
button4.setText( "Down" );
Image imgDown = Graphics.getImage( "resources/down.gif", classLoader );
button4.setImage( imgDown );
Button button5 = new Button( layoutComp, SWT.PUSH );
button5.setText( "Clear" );
}
protected void createControlButtons( final Composite parent ) {
Group group = new Group( parent, SWT.NONE );
GridData gridData = new GridData( SWT.FILL, SWT.TOP, true, false );
gridData.horizontalSpan = 2;
group.setLayoutData( gridData );
group.setLayout( ExampleUtil.createGridLayout( 1, false, 5, 2 ) );
final Button centerButton = new Button( group, SWT.CHECK );
centerButton.setText( "Center all elements in a row" );
centerButton.addSelectionListener( new SelectionAdapter() {
public void widgetSelected( final SelectionEvent e ) {
propCenter = centerButton.getSelection();
createLayoutArea();
}
} );
final Button fillButton = new Button( group, SWT.CHECK );
fillButton.setText( "Make all elements the same width / height" );
fillButton.addSelectionListener( new SelectionAdapter() {
public void widgetSelected( final SelectionEvent e ) {
propFill = fillButton.getSelection();
createLayoutArea();
}
} );
final Button packButton = new Button( group, SWT.CHECK );
packButton.setText( "Make all elements the same size" );
packButton.addSelectionListener( new SelectionAdapter() {
public void widgetSelected( final SelectionEvent e ) {
propPack = !packButton.getSelection();
createLayoutArea();
}
} );
final Button justifyButton = new Button( group, SWT.CHECK );
justifyButton.setText( "Justify elements" );
justifyButton.addSelectionListener( new SelectionAdapter() {
public void widgetSelected( final SelectionEvent e ) {
propJustify = justifyButton.getSelection();
createLayoutArea();
}
} );
final Button wrapButton = new Button( group, SWT.CHECK );
wrapButton.setText( "Wrap" );
wrapButton.addSelectionListener( new SelectionAdapter() {
public void widgetSelected( final SelectionEvent e ) {
propWrap = wrapButton.getSelection();
createLayoutArea();
}
} );
final Button preferredSizeButton = new Button( group, SWT.CHECK );
preferredSizeButton.setText( "Shrink containers to their preferred size" );
preferredSizeButton.addSelectionListener( new SelectionAdapter() {
public void widgetSelected( final SelectionEvent e ) {
propPrefSize = preferredSizeButton.getSelection();
createLayoutArea();
}
} );
}
}