/*******************************************************************************
* 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.smart.model;
import com.google.gdt.eclipse.designer.smart.model.data.DataSourceInfo;
import com.google.gdt.eclipse.designer.smart.model.support.SmartClientUtils;
import org.eclipse.wb.core.model.JavaInfo;
import org.eclipse.wb.internal.core.model.JavaInfoUtils;
import org.eclipse.wb.internal.core.model.creation.CreationSupport;
import org.eclipse.wb.internal.core.model.description.ComponentDescription;
import org.eclipse.wb.internal.core.model.property.GenericProperty;
import org.eclipse.wb.internal.core.model.property.editor.IObjectPropertyProcessor;
import org.eclipse.wb.internal.core.utils.ast.AstEditor;
import org.eclipse.wb.internal.core.utils.ast.DomGenerics;
import org.eclipse.wb.internal.core.utils.ast.StatementTarget;
import org.eclipse.wb.internal.core.utils.jdt.core.CodeUtils;
import org.eclipse.jdt.core.dom.Expression;
import org.eclipse.jdt.core.dom.MethodInvocation;
/**
* Model for <code>com.smartgwt.client.widgets.form.FilterBuilder</code>.
*
* @author sablin_aa
* @coverage SmartGWT.model
*/
public class FilterBuilderInfo extends LayoutInfo implements IObjectPropertyProcessor {
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public FilterBuilderInfo(AstEditor editor,
ComponentDescription description,
CreationSupport creationSupport) throws Exception {
super(editor, description, creationSupport);
}
////////////////////////////////////////////////////////////////////////////
//
// Access
//
////////////////////////////////////////////////////////////////////////////
public DataSourceInfo getDataSource() {
MethodInvocation invocation =
getMethodInvocation("setDataSource(com.smartgwt.client.data.DataSource)");
if (invocation != null) {
Expression expression = DomGenerics.arguments(invocation).get(0);
return (DataSourceInfo) getRootJava().getChildRepresentedBy(expression);
}
return null;
}
////////////////////////////////////////////////////////////////////////////
//
// Refresh
//
////////////////////////////////////////////////////////////////////////////
@Override
public void setObject(Object object) throws Exception {
super.setObject(object);
// set default DataSource
if (getDataSource() == null) {
applyFakeDataSource();
}
}
private Object fakeDataSource = null;
private void applyFakeDataSource() throws Exception {
fakeDataSource = JavaInfoUtils.executeScript(this, CodeUtils.getSource(// filler
"import com.smartgwt.client.data.DataSource;",
"import com.smartgwt.client.data.fields.DataSourceIntegerField;",
"DataSource ds = new DataSource();",
"ds.addField(new com.smartgwt.client.data.fields.DataSourceIntegerField());",
"object.setDataSource(ds);",
"return ds;"));
}
@Override
public void refresh_dispose() throws Exception {
super.refresh_dispose();
// destroy fake DataSource
if (fakeDataSource != null) {
SmartClientUtils.destroyDataSource(fakeDataSource);
fakeDataSource = null;
}
}
////////////////////////////////////////////////////////////////////////////
//
// IObjectPropertyProcessor
//
////////////////////////////////////////////////////////////////////////////
public StatementTarget getObjectPropertyStatementTarget(GenericProperty property,
JavaInfo componentValue) throws Exception {
if ("dataSource".equals(property.getTitle()) && componentValue instanceof DataSourceInfo) {
DataSourceInfo dataSource = (DataSourceInfo) componentValue;
return dataSource.calculateStatementTarget(this);
}
return null;
}
}