/******************************************************************************* | |
* Copyright (c) 2006 IBM Corporation 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: | |
* IBM Corporation - initial API and implementation | |
*******************************************************************************/ | |
package org.eclipse.ui.examples.views.properties.tabbed.article.views; | |
import org.eclipse.swt.graphics.Point; | |
import org.eclipse.swt.widgets.Control; | |
import org.eclipse.ui.views.properties.IPropertyDescriptor; | |
import org.eclipse.ui.views.properties.IPropertySource; | |
import org.eclipse.ui.views.properties.TextPropertyDescriptor; | |
/** | |
* Property source for the size properties. | |
* | |
* @author Anthony Hunter | |
*/ | |
public class SizePropertySource | |
implements IPropertySource { | |
protected ButtonElement element; | |
/** | |
* The width. | |
*/ | |
public static String ID_WIDTH = "Width"; //$NON-NLS-1$ | |
/** | |
* The height. | |
*/ | |
public static String ID_HEIGHT = "Height"; //$NON-NLS-1$ | |
protected static IPropertyDescriptor[] descriptors; | |
static { | |
descriptors = new IPropertyDescriptor[] { | |
new TextPropertyDescriptor(ID_WIDTH, "width"),//$NON-NLS-1$ | |
new TextPropertyDescriptor(ID_HEIGHT, "height")//$NON-NLS-1$ | |
}; | |
} | |
protected Point point = null; | |
/** | |
* The constructor for SizePropertySource. | |
* | |
* @param m_element | |
* the button element. | |
* @param point | |
* the size of the button element. | |
*/ | |
public SizePropertySource(ButtonElement m_element, Point point) { | |
this.point = new Point(point.x, point.y); | |
element = m_element; | |
} | |
/** | |
* Fire a property change event. | |
* | |
* @param propName | |
* the name of the property change. | |
*/ | |
protected void firePropertyChanged() { | |
Control ctl = element.getControl(); | |
if (ctl == null) { | |
// the GUIView is probably hidden in this case | |
return; | |
} | |
ctl.setSize(point); | |
} | |
public Object getEditableValue() { | |
return this; | |
} | |
public IPropertyDescriptor[] getPropertyDescriptors() { | |
return descriptors; | |
} | |
public Object getPropertyValue(Object propName) { | |
if (ID_WIDTH.equals(propName)) { | |
return new String(new Integer(point.x).toString()); | |
} | |
if (ID_HEIGHT.equals(propName)) { | |
return new String(new Integer(point.y).toString()); | |
} | |
return null; | |
} | |
/** | |
* Retrieve the value of the size property. | |
* | |
* @return the value of the size property. | |
*/ | |
public Point getValue() { | |
return new Point(point.x, point.y); | |
} | |
/** | |
* @see org.eclipse.ui.views.properties.IPropertySource#isPropertySet(Object) | |
*/ | |
public boolean isPropertySet(Object propName) { | |
if (ID_WIDTH.equals(propName) || ID_HEIGHT.equals(propName)) | |
return true; | |
return false; | |
} | |
public void resetPropertyValue(Object propName) { | |
// | |
} | |
public void setPropertyValue(Object propName, Object value) { | |
int newInt; | |
try { | |
newInt = Integer.parseInt((String) value); | |
} catch (NumberFormatException e) { | |
newInt = -1; | |
} | |
if (newInt > 0) { | |
if (ID_WIDTH.equals(propName)) { | |
point.x = newInt; | |
} else if (ID_HEIGHT.equals(propName)) { | |
point.y = newInt; | |
} | |
} | |
firePropertyChanged(); | |
} | |
public String toString() { | |
return point.toString(); | |
} | |
} |