/*
* Created on 9 juil. 2003
* Copyright (C) 2003, 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* 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, or (at your option) any later version.
* 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.
* 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.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.ui.swt.config;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.util.AERunnable;
import org.gudy.azureus2.ui.swt.Utils;
/**
* @author Olivier
*
*/
public class StringParameter extends Parameter{
private String name;
private Text inputField;
private String defaultValue;
public StringParameter(Composite composite,final String name) {
this(composite, name, COConfigurationManager.getStringParameter(name));
}
public StringParameter(Composite composite,final String name, String defaultValue) {
this( composite, name, defaultValue, true );
}
public StringParameter(Composite composite,final String name, String defaultValue, boolean generateIntermediateEvents ) {
super(name);
this.name = name;
this.defaultValue = defaultValue;
inputField = new Text(composite, SWT.BORDER) {
// I know what I'm doing. Maybe ;)
public void checkSubclass() {
}
// @see org.eclipse.swt.widgets.Text#computeSize(int, int, boolean)
public Point computeSize(int wHint, int hHint, boolean changed) {
// Text widget, at least on Windows, forces the preferred width
// to the width of the text inside of it
// Fix this by forcing to LayoutData's minWidth
if ( hHint==0 && !isVisible()){
return( new Point( 0, 0 ));
}
Point pt = super.computeSize(wHint, hHint, changed);
if (wHint == SWT.DEFAULT) {
Object ld = getLayoutData();
if (ld instanceof GridData) {
if (((GridData)ld).grabExcessHorizontalSpace) {
pt.x = 10;
}
}
}
return pt;
}
};
String value = COConfigurationManager.getStringParameter(name, defaultValue);
inputField.setText(value);
inputField.addListener(SWT.Verify, new Listener() {
public void handleEvent(Event e) {
e.doit = COConfigurationManager.verifyParameter(name, e.text );
}
});
if ( generateIntermediateEvents ){
inputField.addListener(SWT.Modify, new Listener() {
public void handleEvent(Event event) {
checkValue();
}
});
}
inputField.addListener(SWT.FocusOut, new Listener() {
public void handleEvent(Event event) {
checkValue();
}
});
}
protected void
checkValue()
{
String old_value = COConfigurationManager.getStringParameter( name, defaultValue );
String new_value = inputField.getText();
if ( !old_value.equals( new_value )){
COConfigurationManager.setParameter(name,new_value );
if( change_listeners != null ) {
for (int i=0;i<change_listeners.size();i++){
((ParameterChangeListener)change_listeners.get(i)).parameterChanged(StringParameter.this,false);
}
}
}
}
public void setLayoutData(Object layoutData) {
inputField.setLayoutData(layoutData);
}
public void setValue(final String value) {
Utils.execSWTThread(new AERunnable() {
public void runSupport() {
if (inputField == null || inputField.isDisposed()
|| inputField.getText().equals(value)) {
return;
}
inputField.setText(value);
}
});
if (!COConfigurationManager.getStringParameter(name).equals(value)) {
COConfigurationManager.setParameter(name, value);
}
}
public String getValue() {
return inputField.getText();
}
/* (non-Javadoc)
* @see org.gudy.azureus2.ui.swt.IParameter#getControl()
*/
public Control getControl() {
return inputField;
}
public void setValue(Object value) {
if (value instanceof String) {
setValue((String)value);
}
}
public Object getValueObject() {
return COConfigurationManager.getStringParameter(name);
}
}