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/*******************************************************************************
* Copyright (c) 2004, 2005 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.facesconfig.ui.pageflow.properties.section;
import java.text.MessageFormat;
import org.eclipse.gef.commands.Command;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.properties.PropertyMessages;
import org.eclipse.ui.views.properties.IPropertySource;
public class SetPropertyValueCommand extends Command {
protected Object propertyValue;
protected Object propertyID;
protected Object undoValue;
protected boolean resetOnUndo;
protected IPropertySource target;
public SetPropertyValueCommand() {
super(""); //$NON-NLS-1$
}
public SetPropertyValueCommand(String propLabel) {
super(MessageFormat.format(
PropertyMessages.property_Command_SetValue,
new Object[] { propLabel }).trim());
}
public boolean canExecute() {
return true;
}
public void execute() {
boolean wasPropertySet = getTarget().isPropertySet(propertyID);
undoValue = getTarget().getPropertyValue(propertyID);
if (undoValue instanceof IPropertySource) {
undoValue = ((IPropertySource) undoValue).getEditableValue();
}
if (propertyValue instanceof IPropertySource) {
propertyValue = ((IPropertySource) propertyValue)
.getEditableValue();
}
getTarget().setPropertyValue(propertyID, propertyValue);
resetOnUndo = wasPropertySet != getTarget().isPropertySet(propertyID);
if (resetOnUndo) {
undoValue = null;
}
}
public IPropertySource getTarget() {
return target;
}
public void setTarget(IPropertySource aTarget) {
target = aTarget;
}
public void redo() {
execute();
}
public void setPropertyId(Object pName) {
propertyID = pName;
}
public void setPropertyValue(Object val) {
propertyValue = val;
}
public void undo() {
if (resetOnUndo) {
getTarget().resetPropertyValue(propertyID);
} else {
getTarget().setPropertyValue(propertyID, undoValue);
}
}
}
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