/*******************************************************************************
* 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.gxt.databinding.ui.providers;
import com.google.gdt.eclipse.designer.gxt.databinding.Activator;
import com.google.gdt.eclipse.designer.gxt.databinding.model.bindings.BindingInfo;
import com.google.gdt.eclipse.designer.gxt.databinding.model.bindings.BindingsInfo;
import com.google.gdt.eclipse.designer.gxt.databinding.model.bindings.FieldBindingInfo;
import com.google.gdt.eclipse.designer.gxt.databinding.model.bindings.FormBindingInfo;
import org.eclipse.wb.internal.core.utils.execution.ExecutionUtils;
import org.eclipse.wb.internal.core.utils.execution.RunnableObjectEx;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;
/**
*
* @author lobas_av
*
*/
public class BindingLabelProvider extends LabelProvider implements ITableLabelProvider {
private static final Image FORM_BINDING_IMAGE = Activator.getImage("FormPanel.png");
private static final Image FORM_FIELD_BINDING_IMAGE = Activator.getImage("FormPanelElement.png");
private static final Image FORM_AUTO_FIELD_BINDING_IMAGE =
Activator.getImage("FormPanelAutoElement.png");
private static final Image BINDINGS_IMAGE = Activator.getImage("Bindings.png");
private static final Image FIELD_BINDING_IMAGE = Activator.getImage("Field.png");
public static final BindingLabelProvider INSTANCE = new BindingLabelProvider();
////////////////////////////////////////////////////////////////////////////
//
// ITableLabelProvider
//
////////////////////////////////////////////////////////////////////////////
public String getColumnText(final Object element, final int column) {
return ExecutionUtils.runObjectLog(new RunnableObjectEx<String>() {
public String runObject() throws Exception {
return getBindingColumnText((BindingInfo) element, column);
}
}, "<exception, see log>");
}
private static String getBindingColumnText(BindingInfo binding, int column) throws Exception {
switch (column) {
case 1 :
// target
return binding.getTargetPresentationText();
case 2 :
// model
return binding.getModelPresentationText();
case 3 :
// binding
return binding.getVariableIdentifier();
default :
return null;
}
}
public Image getColumnImage(Object element, int column) {
if (column == 0) {
if (element instanceof FormBindingInfo) {
return FORM_BINDING_IMAGE;
}
if (element instanceof BindingsInfo) {
return BINDINGS_IMAGE;
}
if (element instanceof FieldBindingInfo) {
FieldBindingInfo binding = (FieldBindingInfo) element;
if (binding.getParentBinding() == null) {
return FIELD_BINDING_IMAGE;
}
return binding.isAutobind() ? FORM_AUTO_FIELD_BINDING_IMAGE : FORM_FIELD_BINDING_IMAGE;
}
}
return null;
}
}