Java tutorial
/* 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 java.net.URL; 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.NotificationManager; import org.activiti.explorer.ui.custom.PopupWindow; import org.activiti.explorer.ui.mainlayout.ExplorerLayout; import org.apache.commons.lang3.StringUtils; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.node.ObjectNode; import com.vaadin.terminal.ExternalResource; import com.vaadin.terminal.Sizeable; import com.vaadin.terminal.UserError; 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.GridLayout; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.TextArea; import com.vaadin.ui.TextField; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.themes.Reindeer; /** * @author Tijs Rademakers * @author Joram Barrez */ public class NewModelPopupWindow extends PopupWindow implements ModelDataJsonConstants { private static final long serialVersionUID = 1L; protected I18nManager i18nManager; protected NotificationManager notificationManager; protected VerticalLayout windowLayout; protected GridLayout formLayout; protected TextField nameTextField; protected TextArea descriptionTextArea; protected SelectEditorComponent selectEditorComponent; protected transient RepositoryService repositoryService = ProcessEngines.getDefaultProcessEngine() .getRepositoryService(); public NewModelPopupWindow() { this.windowLayout = (VerticalLayout) getContent(); this.i18nManager = ExplorerApp.get().getI18nManager(); this.notificationManager = ExplorerApp.get().getNotificationManager(); initWindow(); addFields(); addButtons(); } protected void initWindow() { windowLayout.setSpacing(true); addStyleName(Reindeer.WINDOW_LIGHT); setModal(true); setWidth("460px"); setHeight("470px"); center(); setCaption(i18nManager.getMessage(Messages.PROCESS_NEW_POPUP_CAPTION)); } protected void addFields() { formLayout = new GridLayout(2, 3); formLayout.setSpacing(true); formLayout.addComponent(new Label(i18nManager.getMessage(Messages.TASK_NAME))); nameTextField = new TextField(); nameTextField.setWidth(25, Sizeable.UNITS_EM); nameTextField.focus(); formLayout.addComponent(nameTextField); formLayout.addComponent(new Label(i18nManager.getMessage(Messages.TASK_DESCRIPTION))); descriptionTextArea = new TextArea(); descriptionTextArea.setRows(8); descriptionTextArea.setWidth(25, Sizeable.UNITS_EM); descriptionTextArea.addStyleName(ExplorerLayout.STYLE_TEXTAREA_NO_RESIZE); formLayout.addComponent(descriptionTextArea); Label editorLabel = new Label(i18nManager.getMessage(Messages.PROCESS_EDITOR_CHOICE)); formLayout.addComponent(editorLabel); formLayout.setComponentAlignment(editorLabel, Alignment.MIDDLE_LEFT); selectEditorComponent = new SelectEditorComponent(); formLayout.addComponent(selectEditorComponent); addComponent(formLayout); // Some empty space Label emptySpace = new Label(" ", Label.CONTENT_XHTML); addComponent(emptySpace); } protected void addButtons() { // Create Button createButton = new Button(i18nManager.getMessage(Messages.PROCESS_NEW_POPUP_CREATE_BUTTON)); createButton.setWidth("200px"); createButton.addListener(new ClickListener() { private static final long serialVersionUID = 1L; public void buttonClick(ClickEvent event) { if (StringUtils.isEmpty((String) nameTextField.getValue())) { nameTextField.setComponentError(new UserError("The name field is required.")); return; } if (selectEditorComponent.isModelerPreferred()) { try { ObjectMapper objectMapper = new ObjectMapper(); ObjectNode editorNode = objectMapper.createObjectNode(); editorNode.put("id", "canvas"); editorNode.put("resourceId", "canvas"); ObjectNode stencilSetNode = objectMapper.createObjectNode(); stencilSetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#"); editorNode.put("stencilset", stencilSetNode); Model modelData = repositoryService.newModel(); ObjectNode modelObjectNode = objectMapper.createObjectNode(); modelObjectNode.put(MODEL_NAME, (String) nameTextField.getValue()); modelObjectNode.put(MODEL_REVISION, 1); String description = null; if (StringUtils.isNotEmpty((String) descriptionTextArea.getValue())) { description = (String) descriptionTextArea.getValue(); } else { description = ""; } modelObjectNode.put(MODEL_DESCRIPTION, description); modelData.setMetaInfo(modelObjectNode.toString()); modelData.setName((String) nameTextField.getValue()); repositoryService.saveModel(modelData); repositoryService.addModelEditorSource(modelData.getId(), editorNode.toString().getBytes("utf-8")); close(); ExplorerApp.get().getViewManager().showEditorProcessDefinitionPage(modelData.getId()); URL explorerURL = ExplorerApp.get().getURL(); URL url = new URL(explorerURL.getProtocol(), explorerURL.getHost(), explorerURL.getPort(), explorerURL.getPath().replace("/ui", "") + "service/editor?id=" + modelData.getId()); ExplorerApp.get().getMainWindow().open(new ExternalResource(url)); } catch (Exception e) { notificationManager.showErrorNotification("error", e); } } else { close(); ExplorerApp.get().getViewManager().showSimpleTableProcessEditor( (String) nameTextField.getValue(), (String) descriptionTextArea.getValue()); } } }); // Alignment HorizontalLayout buttonLayout = new HorizontalLayout(); buttonLayout.setSpacing(true); buttonLayout.addComponent(createButton); addComponent(buttonLayout); windowLayout.setComponentAlignment(buttonLayout, Alignment.MIDDLE_CENTER); } }