/*******************************************************************************
* Copyright 2011 Google Inc. All Rights Reserved.
*
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/
package com.google.gdt.eclipse.designer.model.property.css;
import org.eclipse.wb.internal.core.model.property.editor.PropertyEditor;
import org.eclipse.wb.internal.core.model.util.ScriptUtils;
import org.eclipse.wb.internal.core.utils.execution.ExecutionUtils;
import org.eclipse.wb.internal.core.utils.execution.RunnableEx;
import org.eclipse.wb.internal.css.semantics.Semantics;
import org.eclipse.wb.internal.css.semantics.SimpleValue;
import org.apache.commons.lang.ObjectUtils;
/**
* Property for {@link SimpleValue}.
*
* @author scheglov_ke
* @coverage gwt.model.property
*/
class StyleSimpleValueProperty extends StyleAbstractValueProperty {
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public StyleSimpleValueProperty(RuleAccessor accessor,
String styleName,
String valueObjectPath,
String title,
PropertyEditor editor) {
super(accessor, styleName, valueObjectPath, title, editor);
}
////////////////////////////////////////////////////////////////////////////
//
// Property
//
////////////////////////////////////////////////////////////////////////////
@Override
public boolean isModified() throws Exception {
return getValueObject().hasValue();
}
@Override
public Object getValue() throws Exception {
return getValueObject().getValue();
}
@Override
public void setValue(Object value) throws Exception {
if (value == UNKNOWN_VALUE) {
value = "";
}
if (value instanceof String) {
final String stringValue = (String) value;
if (!ObjectUtils.equals(getValue(), stringValue)) {
ExecutionUtils.run(m_object, new RunnableEx() {
public void run() throws Exception {
getValueObject().setValue(stringValue);
m_accessor.applySemantics(m_styleName);
}
});
}
}
}
////////////////////////////////////////////////////////////////////////////
//
// Utils
//
////////////////////////////////////////////////////////////////////////////
/**
* @return the {@link SimpleValue} to edit.
*/
protected final SimpleValue getValueObject() throws Exception {
Semantics semantics = getSemantics();
return (SimpleValue) ScriptUtils.evaluate(m_valueObjectPath, semantics);
}
}