Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF 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 org.apache.openaz.xacml.admin.view.windows; import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType; import org.apache.openaz.xacml.admin.XacmlAdminUI; import org.apache.openaz.xacml.admin.jpa.Category; import com.vaadin.addon.jpacontainer.EntityItem; import com.vaadin.annotations.AutoGenerated; import com.vaadin.data.Buffered.SourceException; import com.vaadin.event.ShortcutAction.KeyCode; 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.Table; import com.vaadin.ui.TextField; import com.vaadin.ui.UI; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.Window; public class AttributeAssignmentExpressionEditorWindow extends Window { /*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */ @AutoGenerated private VerticalLayout mainLayout; @AutoGenerated private Button buttonSave; @AutoGenerated private Table tableCategories; @AutoGenerated private TextField textFieldIssuer; @AutoGenerated private TextField textFieldAttributeID; /** * */ private static final long serialVersionUID = 1L; private final AttributeAssignmentExpressionEditorWindow self = this; private final AttributeAssignmentExpressionType assignment; private boolean isSaved = false; /** * The constructor should first build the main layout, set the * composition root and then do any custom initialization. * * The constructor will not be automatically regenerated by the * visual editor. */ public AttributeAssignmentExpressionEditorWindow(AttributeAssignmentExpressionType assignment) { buildMainLayout(); //setCompositionRoot(mainLayout); setContent(mainLayout); // // Save // this.assignment = assignment; // // Set our shortcuts // this.setCloseShortcut(KeyCode.ESCAPE); // // Initialize GUI // this.initializeText(); this.initializeTable(); this.initializeButton(); // // Focus // this.textFieldAttributeID.focus(); } protected void initializeText() { // // // this.textFieldAttributeID.setNullRepresentation(""); if (this.assignment.getAttributeId() == null) { this.textFieldAttributeID.setValue(XacmlAdminUI.getDomain()); } else { this.textFieldAttributeID.setValue(this.assignment.getAttributeId()); } this.textFieldAttributeID.setRequiredError("You must have an attribute id for the assignment expression."); // // // this.textFieldIssuer.setNullRepresentation(""); this.textFieldIssuer.setValue(this.assignment.getIssuer()); } protected void initializeTable() { this.tableCategories.setContainerDataSource(((XacmlAdminUI) UI.getCurrent()).getCategories()); this.tableCategories.setVisibleColumns(new Object[] { "xacmlId" }); this.tableCategories.setColumnHeaders(new String[] { "XACML ID" }); this.tableCategories.setSelectable(true); this.tableCategories.setNullSelectionAllowed(true); this.tableCategories.setPageLength(((XacmlAdminUI) UI.getCurrent()).getCategories().size()); } protected void initializeButton() { this.buttonSave.setClickShortcut(KeyCode.ENTER); this.buttonSave.addClickListener(new ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(ClickEvent event) { try { // // Commit // self.textFieldAttributeID.commit(); self.textFieldIssuer.commit(); self.tableCategories.commit(); // // Save // self.assignment.setAttributeId(self.textFieldAttributeID.getValue()); self.assignment.setIssuer(self.textFieldIssuer.getValue()); Object cat = self.tableCategories.getValue(); if (cat != null) { EntityItem<Category> entity = ((XacmlAdminUI) UI.getCurrent()).getCategories().getItem(cat); if (entity != null && entity.getEntity() != null) { self.assignment.setCategory(entity.getEntity().getXacmlId()); } else { self.assignment.setCategory(null); } } else { self.assignment.setCategory(null); } // // Set ourselves as saved // self.isSaved = true; // // close window // self.close(); } catch (SourceException e) { //NOPMD // // Vaadin displays error GUI // } } }); } public boolean isSaved() { return this.isSaved; } public AttributeAssignmentExpressionType getAssignment() { return this.assignment; } @AutoGenerated private VerticalLayout buildMainLayout() { // common part: create layout mainLayout = new VerticalLayout(); mainLayout.setImmediate(false); mainLayout.setWidth("-1px"); mainLayout.setHeight("-1px"); mainLayout.setMargin(true); mainLayout.setSpacing(true); // top-level component properties setWidth("-1px"); setHeight("-1px"); // textFieldAttributeID textFieldAttributeID = new TextField(); textFieldAttributeID.setCaption("Attribute Assignment ID"); textFieldAttributeID.setImmediate(false); textFieldAttributeID.setWidth("-1px"); textFieldAttributeID.setHeight("-1px"); textFieldAttributeID.setInvalidAllowed(false); textFieldAttributeID.setRequired(true); mainLayout.addComponent(textFieldAttributeID); // textFieldIssuer textFieldIssuer = new TextField(); textFieldIssuer.setCaption("Issuer (Optional)"); textFieldIssuer.setImmediate(false); textFieldIssuer.setWidth("-1px"); textFieldIssuer.setHeight("-1px"); textFieldIssuer.setNullSettingAllowed(true); mainLayout.addComponent(textFieldIssuer); // tableCategories tableCategories = new Table(); tableCategories.setCaption("Category (Optional)"); tableCategories.setImmediate(false); tableCategories.setWidth("100.0%"); tableCategories.setHeight("-1px"); mainLayout.addComponent(tableCategories); // buttonSave buttonSave = new Button(); buttonSave.setCaption("Save"); buttonSave.setImmediate(false); buttonSave.setWidth("-1px"); buttonSave.setHeight("-1px"); mainLayout.addComponent(buttonSave); mainLayout.setComponentAlignment(buttonSave, new Alignment(48)); return mainLayout; } }