/*
* File : BufferedLabel.java
* Created : 24-Nov-2003
* By : parg
*
* Azureus - a Java Bittorrent client
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details ( see the LICENSE file ).
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.gudy.azureus2.ui.swt.components;
/**
* @author parg
*
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Cursor;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.GridData;
import org.gudy.azureus2.ui.swt.Utils;
import org.gudy.azureus2.ui.swt.mainwindow.ClipboardCopy;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
public class
BufferedLabel
extends BufferedWidget
{
private Label label;
private String value = "";
public
BufferedLabel(
Composite composite,
int attrs )
{
super( new Label( composite, attrs ));
label = (Label)getWidget();
ClipboardCopy.addCopyToClipMenu(
label,
new ClipboardCopy.copyToClipProvider()
{
public String
getText()
{
return( label.getText());
}
});
}
public boolean
isDisposed()
{
return( label.isDisposed());
}
public void
setLayoutData(
GridData gd )
{
label.setLayoutData( gd );
}
public void
setLayoutData(
FormData gd )
{
label.setLayoutData( gd );
}
public void
setLayoutData(
Object ld )
{
label.setLayoutData( ld );
}
public Control
getControl()
{
return( label );
}
public void
setText(
String new_value )
{
if ( label.isDisposed()){
return;
}
if ( new_value == value ){
return;
}
if ( new_value != null &&
value != null &&
new_value.equals( value )){
return;
}
value = new_value;
// '&' chars that occur in the text are treated as accelerators and, for example,
// cause the nect character to be underlined on Windows. This is generally NOT
// the desired behaviour of a label in Azureus so by default we escape them
label.setText( value==null?"":value.replaceAll("&", "&&" ));
}
public void
setLink(
String url )
{
Object[] existing = (Object[])label.getData();
if ( existing == null && url == null ){
return;
}else if ( existing == null || url == null ){
}else if (((String[])existing)[0].equals( url )){
return;
}
if ( url == null ){
label.setData( null );
label.setCursor( null );
label.setForeground( null );
label.setToolTipText( null );
}else{
final String[] data = new String[]{ url };
label.setData( data );
label.setToolTipText(url);
label.setCursor(label.getDisplay().getSystemCursor(SWT.CURSOR_HAND));
label.setForeground(Colors.blue);
label.addMouseListener(new MouseAdapter() {
public void mouseDoubleClick(MouseEvent arg0) {
showURL((Label)arg0.widget);
}
public void mouseUp(MouseEvent arg0) {
showURL((Label)arg0.widget);
}
protected void
showURL(
Label label )
{
if ( label.getData() == data ){
Utils.launch( data[0] );
}else{
label.removeMouseListener( this );
}
}
});
}
}
public String getText() {
return value==null?"":value;
}
public void addMouseListener(MouseListener listener) {
label.addMouseListener(listener);
}
public void setForeground(Color color) {
label.setForeground(color);
}
public void setCursor(Cursor cursor) {
label.setCursor(cursor);
}
public void setToolTipText(String toolTipText) {
label.setToolTipText(toolTipText);
}
}