com.google.gdt.eclipse.designer.gxt.databinding.model.beans.BeanObserveInfo.java Source code

Introduction

Here is the source code for com.google.gdt.eclipse.designer.gxt.databinding.model.beans.BeanObserveInfo.java

Source

/*******************************************************************************
 * 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.model.beans;

import com.google.gdt.eclipse.designer.gxt.databinding.model.ObserveInfo;
import com.google.gdt.eclipse.designer.gxt.databinding.ui.providers.TypeImageProvider;

import org.eclipse.wb.internal.core.databinding.model.IObserveInfo;
import org.eclipse.wb.internal.core.databinding.model.IObservePresentation;
import org.eclipse.wb.internal.core.databinding.model.presentation.SimpleObservePresentation;
import org.eclipse.wb.internal.core.databinding.model.reference.IReferenceProvider;
import org.eclipse.wb.internal.core.databinding.model.reference.StringReferenceProvider;
import org.eclipse.wb.internal.core.databinding.ui.ObserveType;
import org.eclipse.wb.internal.core.databinding.ui.decorate.IObserveDecorator;
import org.eclipse.wb.internal.core.databinding.utils.CoreUtils;

import org.apache.commons.lang.StringUtils;

import java.util.Collections;
import java.util.List;

/**
 * 
 * @author lobas_av
 * 
 */
public class BeanObserveInfo extends ObserveInfo {
    private final BeanSupport m_beanSupport;
    private final IObservePresentation m_presentation;
    private final List<BeanPropertyObserveInfo> m_properties;

    ////////////////////////////////////////////////////////////////////////////
    //
    // Constructors
    //
    ////////////////////////////////////////////////////////////////////////////
    public BeanObserveInfo(BeanSupport beanSupport, Class<?> objectType, IReferenceProvider referenceProvider,
            IObservePresentation presentation) throws Exception {
        super(objectType, referenceProvider);
        setBindingDecoration(true);
        m_beanSupport = beanSupport;
        m_properties = beanSupport.getProperties(getObjectType(), null, true);
        m_presentation = presentation;
    }

    public BeanObserveInfo(BeanSupport beanSupport, ObserveInfo parent, Class<?> objectType) throws Exception {
        super(objectType, parent.getReferenceProvider());
        m_beanSupport = beanSupport;
        m_properties = beanSupport.getProperties(getObjectType(), parent, false);
        m_presentation = parent.getPresentation();
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // Access
    //
    ////////////////////////////////////////////////////////////////////////////
    public BeanPropertyObserveInfo resolvePropertyReference(String reference, Object errorSupport)
            throws Exception {
        for (BeanPropertyObserveInfo property : m_properties) {
            if (reference.equals(property.getReference())) {
                return property;
            }
        }
        //
        if (errorSupport != null) {
            Boolean[] error = (Boolean[]) errorSupport;
            error[0] = true;
        }
        //
        String propertyName = StringUtils.remove(reference, '"');
        IReferenceProvider referenceProvider = new StringReferenceProvider(reference);
        IObservePresentation presentation = new SimpleObservePresentation(propertyName, propertyName,
                TypeImageProvider.OBJECT_IMAGE);
        IObserveDecorator decorator = IObserveDecorator.DEFAULT;
        //
        return new BeanPropertyObserveInfo(Object.class, null, referenceProvider, presentation, decorator);
    }

    public BeanPropertyObserveInfo getSelfProperty() {
        return m_properties.isEmpty() ? null : m_properties.get(0);
    }

    public BeanSupport getBeanSupport() {
        return m_beanSupport;
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // Hierarchy
    //
    ////////////////////////////////////////////////////////////////////////////
    public IObserveInfo getParent() {
        return null;
    }

    public List<IObserveInfo> getChildren(ChildrenContext context) {
        if (context == ChildrenContext.ChildrenForPropertiesTable) {
            return CoreUtils.cast(m_properties);
        }
        return Collections.emptyList();
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // Presentation
    //
    ////////////////////////////////////////////////////////////////////////////
    public IObservePresentation getPresentation() {
        return m_presentation;
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // ObserveType
    //
    ////////////////////////////////////////////////////////////////////////////
    public ObserveType getType() {
        return ObserveType.BEANS;
    }
}