org.activiti.administrator.ui.GroupTab.java Source code

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Here is the source code for org.activiti.administrator.ui.GroupTab.java

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/* 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.activiti.administrator.ui;

import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.terminal.ThemeResource;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.CustomComponent;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Window.CloseEvent;
import com.vaadin.ui.Window.CloseListener;
import org.activiti.administrator.AdminApp;
import org.activiti.administrator.ui.i18n.Messages;

/**
 * Group tab provides access to group table and group form
 * 
 * @author Patrick Oberg
 * 
 */
public class GroupTab extends CustomComponent implements CloseListener, ValueChangeListener, ClickListener {

    private static final long serialVersionUID = 1L;

    private final AdminApp app;
    private final Button create;
    private final Button refresh;

    private GroupTable table;
    private GroupCreateForm form;
    private Window popupWindow;

    public GroupTab(AdminApp application) {

        // Set application reference
        this.app = application;

        // Set tab name
        setCaption(app.getMessage(Messages.Groups));

        // Add main layout
        VerticalLayout layout = new VerticalLayout();
        layout.setMargin(true);
        layout.setSpacing(true);
        layout.setSizeFull();

        // Add toolbar layout
        GridLayout toolbar = new GridLayout(2, 1);
        toolbar.setWidth("100%");
        layout.addComponent(toolbar);

        // Add create button
        create = new Button(app.getMessage(Messages.Create), (ClickListener) this);
        create.setDescription(app.getMessage(Messages.CreateGroup));
        create.setIcon(new ThemeResource("../runo/icons/16/ok.png"));
        toolbar.addComponent(create, 0, 0);
        toolbar.setComponentAlignment(create, Alignment.TOP_LEFT);

        // Add refresh button
        refresh = new Button(app.getMessage(Messages.Refresh), (ClickListener) this);
        refresh.setDescription(app.getMessage(Messages.RefreshTable));
        refresh.setIcon(new ThemeResource("../runo/icons/16/reload.png"));
        toolbar.addComponent(refresh, 1, 0);
        toolbar.setComponentAlignment(refresh, Alignment.TOP_RIGHT);

        // Add table
        table = new GroupTable(app);
        table.setSizeFull();
        layout.addComponent(table);

        // Set table to expand
        layout.setExpandRatio(table, 1.0f);

        // Root
        setCompositionRoot(layout);
    }

    public void buttonClick(ClickEvent event) {

        Button source = event.getButton();

        if (source == create) {

            /* Create a new popup window. */
            popupWindow = new Window();
            popupWindow.center();
            popupWindow.setModal(true);
            popupWindow.setWidth("400px");
            popupWindow.addStyleName(Consts.POPUP);

            // Set caption
            popupWindow.setCaption(app.getMessage(Messages.CreateGroup));

            // Create form
            if (form == null) {
                form = new GroupCreateForm(app);
            }

            // Init form
            form.setItemDataSource(app.getAdminService().newGroup());

            // Add form
            popupWindow.addComponent(form);

            // Add the window inside the main window.
            app.getMainWindow().addWindow(popupWindow);

            // Listen for close events for the window.
            popupWindow.addListener(this);

        } else if (source == refresh) {

            // Refresh table
            table.refresh();
        }
    }

    public void windowClose(CloseEvent e) {
    }

    public void valueChange(ValueChangeEvent event) {
    }
}