burrito.client.crud.CrudIndexPanel.java Source code

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Here is the source code for burrito.client.crud.CrudIndexPanel.java

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/**
 * Copyright 2011 Henric Persson (henric.persson@gmail.com)
 * 
 * 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 burrito.client.crud;

import java.util.List;

import burrito.client.crud.generic.CrudEntityInfo;
import burrito.client.crud.labels.CrudLabelHelper;
import burrito.client.crud.labels.CrudMessages;

import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Hyperlink;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import burrito.client.widgets.layout.VerticalSpacer;

/**
 * Generic panel that displays all editable entities (as decided by
 * CrudServiceImpl.getAllEntities()) within the application.
 * 
 * @author henper
 * 
 */
public class CrudIndexPanel extends Composite {

    private VerticalPanel wrapper = new VerticalPanel();
    private CrudMessages messages = GWT.create(CrudMessages.class);
    private CrudServiceAsync service = GWT.create(CrudService.class);

    public CrudIndexPanel() {
        service.getAllEntities(new AsyncCallback<List<CrudEntityInfo>>() {

            public void onSuccess(List<CrudEntityInfo> result) {
                init(result);
            }

            public void onFailure(Throwable caught) {
                throw new RuntimeException("Failed to list editable entities", caught);
            }
        });
        initWidget(wrapper);
    }

    protected void init(List<CrudEntityInfo> result) {
        Label descLabel;
        wrapper.add((descLabel = new Label(messages.chooseEntity())));
        if (result.isEmpty()) {
            wrapper.add((descLabel = new Label(messages.noEntitiesToEdit())));
            wrapper.add(new VerticalSpacer(10));
        }
        descLabel.addStyleName("k5-CrudPanel-indexDesc");
        for (CrudEntityInfo crudEntityInfo : result) {
            HorizontalPanel fp = new HorizontalPanel();
            String underscore = crudEntityInfo.getEntityName().replace('.', '_');
            Hyperlink entityName = new Hyperlink(CrudLabelHelper.getString(underscore),
                    crudEntityInfo.getEntityName());
            entityName.addStyleName("k5-CrudPanel-entityName");
            fp.add(entityName);
            String desc = CrudLabelHelper.getNullableString(underscore + "_desc");
            if (desc != null) {
                HTML descHtml = new HTML("&nbsp;-&nbsp;" + desc);
                descHtml.addStyleName("k5-CrudPanel-entityDesc");
                fp.add(descHtml);
            }
            wrapper.add(fp);
            wrapper.add(new VerticalSpacer(10));
        }

        wrapper.add(new VerticalSpacer(30));
        wrapper.add(new Label(messages.administrativeTasksHeader()));

        wrapper.add(new VerticalSpacer(10));
        wrapper.add(new Hyperlink(messages.reindex(), "reindex"));

    }

}