/*
* Copyright 2005 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 org.drools.eclipse.flow.common.view.property;
import org.eclipse.jface.viewers.DialogCellEditor;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
/**
* Cell editor for a JavaBean.
*/
public abstract class BeanDialogCellEditor<T> extends DialogCellEditor {
public BeanDialogCellEditor(Composite parent) {
super(parent);
}
@SuppressWarnings("unchecked")
protected Object openDialogBox(Control cellEditorWindow) {
EditBeanDialog<T> dialog = createDialog(cellEditorWindow.getShell());
T value = (T) getValue();
if (value != null) {
dialog.setValue(value);
}
int result = dialog.open();
if (result == Window.CANCEL) {
return null;
}
return dialog.getValue();
}
protected abstract EditBeanDialog<T> createDialog(Shell shell);
protected void updateContents(Object value) {
getDefaultLabel().setText(getLabelText(value));
}
protected String getLabelText(Object value) {
if (value == null) {
return "";
}
return value.toString();
}
}