org.activiti.editor.ui.DeleteModelPopupWindow.java Source code

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Here is the source code for org.activiti.editor.ui.DeleteModelPopupWindow.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.editor.ui;

import org.activiti.editor.constants.ModelDataJsonConstants;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.Model;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.I18nManager;
import org.activiti.explorer.Messages;
import org.activiti.explorer.ui.custom.PopupWindow;

import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.themes.Reindeer;

/**
 * @author Tijs Rademakers
 */
public class DeleteModelPopupWindow extends PopupWindow implements ModelDataJsonConstants {

    private static final long serialVersionUID = 1L;

    protected I18nManager i18nManager;
    protected VerticalLayout windowLayout;
    protected Model modelData;

    protected transient RepositoryService repositoryService = ProcessEngines.getDefaultProcessEngine()
            .getRepositoryService();

    public DeleteModelPopupWindow(Model model) {
        this.modelData = model;
        this.windowLayout = (VerticalLayout) getContent();
        this.i18nManager = ExplorerApp.get().getI18nManager();

        initWindow();
        addDeleteWarning();
        addButtons();
    }

    protected void initWindow() {
        windowLayout.setSpacing(true);
        addStyleName(Reindeer.WINDOW_LIGHT);
        setModal(true);
        setWidth("300px");
        center();

        setCaption(i18nManager.getMessage(Messages.PROCESS_DELETE_POPUP_CAPTION, modelData.getName()));
    }

    protected void addDeleteWarning() {
        Label deleteLabel = new Label(i18nManager.getMessage(Messages.PROCESS_DELETE_POPUP_MESSAGE));
        deleteLabel.addStyleName(Reindeer.LABEL_SMALL);
        addComponent(deleteLabel);

        // Some empty space
        Label emptySpace = new Label(" ", Label.CONTENT_XHTML);
        addComponent(emptySpace);
    }

    protected void addButtons() {
        // Cancel
        Button cancelButton = new Button(i18nManager.getMessage(Messages.BUTTON_CANCEL));
        cancelButton.addStyleName(Reindeer.BUTTON_SMALL);
        cancelButton.addListener(new ClickListener() {

            private static final long serialVersionUID = 1L;

            public void buttonClick(ClickEvent event) {
                close();
            }
        });

        // Convert
        Button deleteButton = new Button(i18nManager.getMessage(Messages.PROCESS_DELETE_POPUP_DELETE_BUTTON));
        deleteButton.addStyleName(Reindeer.BUTTON_SMALL);
        deleteButton.addListener(new ClickListener() {

            private static final long serialVersionUID = 1L;

            public void buttonClick(ClickEvent event) {
                repositoryService.deleteModel(modelData.getId());
                close();
                ExplorerApp.get().getViewManager().showEditorProcessDefinitionPage();
            }
        });

        // Alignment
        HorizontalLayout buttonLayout = new HorizontalLayout();
        buttonLayout.setSpacing(true);
        buttonLayout.addComponent(cancelButton);
        buttonLayout.addComponent(deleteButton);
        addComponent(buttonLayout);
        windowLayout.setComponentAlignment(buttonLayout, Alignment.BOTTOM_RIGHT);
    }

}