de.decidr.ui.view.ChangeTenantComponent.java Source code

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Here is the source code for de.decidr.ui.view.ChangeTenantComponent.java

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/*
 * The DecidR Development Team licenses this file to you 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 de.decidr.ui.view;

import java.util.LinkedList;
import java.util.List;

import com.vaadin.data.Container;
import com.vaadin.ui.Button;
import com.vaadin.ui.CustomComponent;
import com.vaadin.ui.Label;
import com.vaadin.ui.Table;
import com.vaadin.ui.VerticalLayout;

import de.decidr.model.acl.roles.Role;
import de.decidr.model.acl.roles.SuperAdminRole;
import de.decidr.model.annotations.Reviewed;
import de.decidr.model.annotations.Reviewed.State;
import de.decidr.ui.controller.tenant.SwitchTenantAction;
import de.decidr.ui.data.CurrentTenantContainer;
import de.decidr.ui.data.TenantContainer;
import de.decidr.ui.main.DecidrUI;
import de.decidr.ui.view.tables.CurrentTenantModelTable;
import de.decidr.ui.view.tables.TenantTable;

/**
 * The user can change the tenant if he wants. He has to choose one tenant from
 * the table and push the switch tenant button.
 * 
 * @author AT
 */
@Reviewed(reviewers = { "unknown" }, lastRevision = "0", currentReviewState = State.NeedsReview)
public class ChangeTenantComponent extends CustomComponent {

    private static final long serialVersionUID = 5599429204495615788L;

    private Container currentTenantContainer = null;

    private VerticalLayout verticalLayout = null;

    private Label changeTenantLabel = null;

    private ButtonPanel buttonPanel = null;

    private Button changeTenantButton = null;

    private List<Button> buttonList = new LinkedList<Button>();

    private Table currentTenantTable = null;

    private Role role = DecidrUI.getCurrent().getCurrentUser();

    /**
     * TODO document
     */
    public ChangeTenantComponent() {
        init();
    }

    /**
     * This method initializes the components of the
     * {@link ChangeTenantComponent}.
     */
    private void init() {
        currentTenantContainer = new CurrentTenantContainer();

        verticalLayout = new VerticalLayout();

        changeTenantLabel = new Label("<h2> Change Tenant </h2>");
        changeTenantLabel.setContentMode(Label.CONTENT_XHTML);

        if (role instanceof SuperAdminRole) {
            currentTenantContainer = new TenantContainer();
            currentTenantTable = new TenantTable(currentTenantContainer);
        } else {
            currentTenantContainer = new CurrentTenantContainer();
            currentTenantTable = new CurrentTenantModelTable(currentTenantContainer);
        }

        initButtonPanel();

        setCompositionRoot(verticalLayout);

        verticalLayout.setSpacing(true);
        verticalLayout.addComponent(changeTenantLabel);
        verticalLayout.addComponent(currentTenantTable);
        verticalLayout.addComponent(buttonPanel);
    }

    /**
     * Inititalizes the {@link ButtonPanel}.
     */
    private void initButtonPanel() {
        changeTenantButton = new Button("Change tenant", new SwitchTenantAction(currentTenantTable));

        buttonList.add(changeTenantButton);

        buttonPanel = new ButtonPanel(buttonList);
        buttonPanel.setCaption("Change tenant");
    }
}