/*******************************************************************************
* Copyright (c) 2007, 2012 Innoopract Informationssysteme GmbH 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:
* Innoopract Informationssysteme GmbH - initial API and implementation
* EclipseSource - ongoing development
******************************************************************************/
package org.eclipse.rap.demo.controls;
import org.eclipse.rap.rwt.RWT;
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.FillLayout;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.layout.RowData;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
public class LabelTab extends ExampleTab {
private Label varSizeLabel;
private Label fixedSizeLabel;
private Image image1;
private Image image2;
private final String text1;
private final String text2;
private final String markup;
private Image labelImage;
private String labelText;
private boolean markupEnabled;
public LabelTab() {
super( "Label" );
text1 = "Some Text";
text2 = "Some Other Text";
markup = "<big><i>Some</i></big> <b>Other</b> <small>Text With Markup</small> - 2<sup>16</sup>";
markupEnabled = true;
labelImage = null;
labelText = "A Label with text";
}
@Override
protected void createStyleControls( Composite parent ) {
image1 = loadImage( "resources/button-image.gif" );
image2 = loadImage( "resources/newfile_wiz.gif" );
createStyleButton( "BORDER", SWT.BORDER );
createStyleButton( "SEPARATOR", SWT.SEPARATOR );
createStyleButton( "HORIZONTAL", SWT.HORIZONTAL );
createStyleButton( "VERTICAL", SWT.VERTICAL );
createStyleButton( "SHADOW_IN", SWT.SHADOW_IN );
createStyleButton( "SHADOW_OUT", SWT.SHADOW_OUT );
createStyleButton( "SHADOW_NONE", SWT.SHADOW_NONE );
createStyleButton( "LEFT", SWT.LEFT );
createStyleButton( "CENTER", SWT.CENTER );
createStyleButton( "RIGHT", SWT.RIGHT );
createStyleButton( "WRAP", SWT.WRAP );
createMarkupButton();
createVisibilityButton();
createEnablementButton();
createFgColorButton();
createBgColorButton();
createBgImageButton();
createFontChooser();
createCursorCombo();
createChangeTextControl( parent );
createChangeToolTipControl( parent );
}
@Override
protected void createExampleControls( Composite parent ) {
int style = getStyle();
RowLayout rowLayout = new RowLayout( SWT.VERTICAL );
parent.setLayout( rowLayout );
fixedSizeLabel = new Label( parent, style );
fixedSizeLabel.setText( "Fixed size Label with some very long text\nand another line" );
fixedSizeLabel.setLayoutData( new RowData( 100, 100 ) );
new Label( parent, SWT.NONE );
varSizeLabel = new Label( parent, style );
varSizeLabel.setData( RWT.MARKUP_ENABLED, markupEnabled ? Boolean.TRUE : null );
registerControl( varSizeLabel );
registerControl( fixedSizeLabel );
Composite buttons = new Composite( parent, SWT.NONE );
buttons.setLayout( new FillLayout() );
Button text1Button = new Button( buttons, SWT.PUSH );
text1Button.setText( "Text 1" );
text1Button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent e ) {
labelText = text1;
labelImage = null;
updateLabel( varSizeLabel );
}
} );
Button text2Button = new Button( buttons, SWT.PUSH );
text2Button.setText( "Text 2" );
text2Button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent e ) {
labelText = text2;
labelImage = null;
updateLabel( varSizeLabel );
}
} );
Button markupButton = new Button( buttons, SWT.PUSH );
markupButton.setText( "Markup Text" );
markupButton.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent e ) {
labelText = markup;
labelImage = null;
updateLabel( varSizeLabel );
}
} );
Button image1Button = new Button( buttons, SWT.PUSH );
image1Button.setText( "Image 1" );
image1Button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent e ) {
labelImage = image1;
updateLabel( varSizeLabel );
}
} );
Button image2Button = new Button( buttons, SWT.PUSH );
image2Button.setText( "Image 2" );
image2Button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent e ) {
labelImage = image2;
updateLabel( varSizeLabel );
}
} );
updateLabel( varSizeLabel );
}
private Button createMarkupButton() {
final Button button = new Button( styleComp, SWT.CHECK );
button.setText( "Enable Markup" );
button.setSelection( markupEnabled );
button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent event ) {
markupEnabled = button.getSelection();
createNew();
}
} );
return button;
}
private void createChangeTextControl( Composite parent ) {
Composite composite = new Composite( parent, SWT.NONE );
composite.setLayout( new GridLayout( 3, false ) );
Label label = new Label( composite, SWT.NONE );
label.setText( "Change text" );
final Text text = new Text( composite, SWT.BORDER );
Button button = new Button( composite, SWT.PUSH );
button.setText( "Change" );
button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent event ) {
varSizeLabel.setText( text.getText() );
text.setText( "" );
varSizeLabel.pack();
}
} );
}
private void createChangeToolTipControl( Composite parent ) {
Composite composite = new Composite( parent, SWT.NONE );
composite.setLayout( new GridLayout( 3, false ) );
Label label = new Label( composite, SWT.NONE );
label.setText( "Change tooltip" );
final Text text = new Text( composite, SWT.BORDER );
Button button = new Button( composite, SWT.PUSH );
button.setText( "Change" );
button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent event ) {
varSizeLabel.setToolTipText( text.getText() );
}
} );
}
private void updateLabel( Label label ) {
if( labelImage != null ) {
label.setImage( labelImage );
} else {
label.setText( labelText );
}
label.pack();
}
}