/*******************************************************************************
* Copyright (c) 2011, 2013 Rüdiger Herrmann 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:
* Rüdiger Herrmann - 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.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.ToolTip;
public class ToolTipTab extends ExampleTab {
private ToolTip toolTip;
private boolean toolTipAutoHide;
private String toolTipText;
private String toolTipMessage;
private Point toolTipLocation;
private boolean toolTipSelectionListener;
private final SelectionListener selectionListener;
private boolean markup;
public ToolTipTab() {
super( "ToolTip" );
toolTipText = "";
toolTipMessage = "";
selectionListener = new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent event ) {
ToolTipTab.this.log( "" + event );
}
};
}
@Override
protected void createStyleControls( final Composite parent ) {
parent.setLayout( new GridLayout( 1, false ) );
createStyleButton( "BALLOON", SWT.BALLOON );
createStyleButton( "ICON_ERROR", SWT.ICON_ERROR );
createStyleButton( "ICON_INFORMATION", SWT.ICON_INFORMATION );
createStyleButton( "ICON_WARNING", SWT.ICON_WARNING );
createMarkupButton();
createAutoHideButton();
createTextInput();
createMessageInput();
createLocationInput();
createSelectionListenerButton();
}
@Override
protected void createExampleControls( final Composite parent ) {
parent.setLayout( new GridLayout( 1, false ) );
Button button = new Button( parent, SWT.PUSH );
button.setText( "Show ToolTip" );
button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( SelectionEvent event ) {
if( toolTip != null ) {
toolTip.dispose();
}
toolTip = new ToolTip( parent.getShell(), getStyle() );
toolTip.setData( RWT.MARKUP_ENABLED, Boolean.valueOf( markup ) );
toolTip.setVisible( true );
toolTip.setAutoHide( toolTipAutoHide );
toolTip.setText( toolTipText );
toolTip.setMessage( toolTipMessage );
if( toolTipLocation != null ) {
toolTip.setLocation( toolTipLocation );
}
updateSelectionListener();
}
} );
}
private void createTextInput() {
Composite group = new Composite( styleComp, SWT.NONE );
group.setLayoutData( new GridData( SWT.FILL, SWT.TOP, true, false ) );
group.setLayout( new GridLayout( 2, false ) );
new Label( group, SWT.NONE ).setText( "Text" );
Text text = new Text( group, SWT.BORDER );
text.setLayoutData( new GridData( SWT.FILL, SWT.TOP, true, false ) );
text.addModifyListener( new ModifyListener() {
public void modifyText( ModifyEvent event ) {
Text text = ( Text )event.widget;
toolTipText = text.getText();
}
} );
}
private void createMessageInput() {
Composite group = new Composite( styleComp, SWT.NONE );
group.setLayoutData( new GridData( SWT.FILL, SWT.TOP, true, false ) );
group.setLayout( new GridLayout( 2, false ) );
Label label = new Label( group, SWT.NONE );
label.setLayoutData( new GridData( SWT.FILL, SWT.TOP, false, false ) );
label.setText( "Message" );
Text text = new Text( group, SWT.BORDER | SWT.MULTI );
GridData gridData = new GridData( SWT.FILL, SWT.FILL, true, true );
gridData.heightHint = 150;
text.setLayoutData( gridData );
text.addModifyListener( new ModifyListener() {
public void modifyText( ModifyEvent event ) {
Text text = ( Text )event.widget;
toolTipMessage = text.getText();
}
} );
}
private void createLocationInput() {
Composite group = new Composite( styleComp, SWT.NONE );
group.setLayoutData( new GridData( SWT.FILL, SWT.TOP, true, false ) );
group.setLayout( new GridLayout( 4, false ) );
new Label( group, SWT.NONE ).setText( "Location X" );
final Text textX = new Text( group, SWT.BORDER );
new Label( group, SWT.NONE ).setText( "Y" );
final Text textY = new Text( group, SWT.BORDER );
ModifyListener modifyListener = new ModifyListener() {
public void modifyText( ModifyEvent event ) {
int x = parseInt( textX.getText() );
int y = parseInt( textY.getText() );
if( x > 0 && y > 0 ) {
toolTipLocation = new Point( x, y );
} else {
toolTipLocation = null;
}
}
};
textX.addModifyListener( modifyListener );
textY.addModifyListener( modifyListener );
}
private void createAutoHideButton() {
Button button = new Button( styleComp, SWT.CHECK );
button.setText( "AutoHide" );
button.setSelection( toolTipAutoHide );
button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent event ) {
Button button = ( Button )event.widget;
toolTipAutoHide = button.getSelection();
}
} );
}
protected Button createMarkupButton( ) {
final Button button = new Button( styleComp, SWT.CHECK );
button.setText( "Markup" );
button.setSelection( markup );
button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( SelectionEvent event ) {
markup = button.getSelection();
createNew();
}
} );
return button;
}
private void createSelectionListenerButton() {
Button button = new Button( styleComp, SWT.CHECK );
button.setText( "SelectionListener" );
button.setSelection( toolTipSelectionListener );
button.addSelectionListener( new SelectionAdapter() {
@Override
public void widgetSelected( final SelectionEvent event ) {
Button button = ( Button )event.widget;
toolTipSelectionListener = button.getSelection();
updateSelectionListener();
}
} );
}
private void updateSelectionListener() {
if( toolTip != null ) {
if( toolTipSelectionListener ) {
toolTip.addSelectionListener( selectionListener );
} else {
toolTip.removeSelectionListener( selectionListener );
}
}
}
private static int parseInt( final String text ) {
int result;
try {
result = Integer.parseInt( text );
} catch( NumberFormatException e ) {
result = -1;
}
return result;
}
}