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 org.apache.openaz.xacml.admin.jpa.PIPConfigParam; import org.apache.openaz.xacml.admin.jpa.PIPResolverParam; import com.vaadin.annotations.AutoGenerated; import com.vaadin.data.Buffered.SourceException; import com.vaadin.data.Property.ValueChangeEvent; import com.vaadin.data.Property.ValueChangeListener; import com.vaadin.data.Validator.InvalidValueException; 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.TextField; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.Window; public class PIPParamEditorWindow 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 TextField textFieldValue; @AutoGenerated private TextField textFieldName; /** * */ private static final long serialVersionUID = 1L; private final PIPParamEditorWindow self = this; private final Object config; 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 PIPParamEditorWindow(Object config) { buildMainLayout(); //setCompositionRoot(mainLayout); setContent(mainLayout); // // Save parameters // this.config = config; // // Initialize // this.initialize(); // // close shortcut // this.setCloseShortcut(KeyCode.ESCAPE); // // focus // this.textFieldName.focus(); } protected void initialize() { // // GUI properties // this.textFieldName.setImmediate(true); this.textFieldName.setNullRepresentation(""); this.textFieldValue.setImmediate(true); this.textFieldValue.setNullRepresentation(""); // // Now setup based on the object // if (this.config instanceof PIPConfigParam) { this.initializePIPConfiguration(); } else if (this.config instanceof PIPResolverParam) { this.initializePIPResolver(); } else { throw new IllegalArgumentException("Unknown object"); } this.initializeButtons(); this.setupButtons(); } protected void initializePIPConfiguration() { final PIPConfigParam param = (PIPConfigParam) this.config; // // setup the name // this.textFieldName.setValue(param.getParamName()); this.textFieldName.addValueChangeListener(new ValueChangeListener() { private static final long serialVersionUID = 1L; @Override public void valueChange(ValueChangeEvent event) { param.setParamName(self.textFieldName.getValue()); self.setupButtons(); } }); // // setup the value // this.textFieldValue.setValue(param.getParamValue()); this.textFieldValue.addValueChangeListener(new ValueChangeListener() { private static final long serialVersionUID = 1L; @Override public void valueChange(ValueChangeEvent event) { param.setParamValue(self.textFieldValue.getValue()); self.setupButtons(); } }); } protected void initializePIPResolver() { final PIPResolverParam param = (PIPResolverParam) this.config; // // setup the name // this.textFieldName.setValue(param.getParamName()); this.textFieldName.addValueChangeListener(new ValueChangeListener() { private static final long serialVersionUID = 1L; @Override public void valueChange(ValueChangeEvent event) { param.setParamName(self.textFieldName.getValue()); self.setupButtons(); } }); // // setup the value // this.textFieldValue.setValue(param.getParamValue()); this.textFieldValue.addValueChangeListener(new ValueChangeListener() { private static final long serialVersionUID = 1L; @Override public void valueChange(ValueChangeEvent event) { param.setParamValue(self.textFieldValue.getValue()); self.setupButtons(); } }); } protected void initializeButtons() { this.buttonSave.addClickListener(new ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(ClickEvent event) { try { // // Commit the values // self.textFieldName.commit(); self.textFieldValue.commit(); // // Done, save // self.isSaved = true; // // Close // self.close(); } catch (SourceException | InvalidValueException e) { //NOPMD // // Vaadin will display error // } } }); } protected void setupButtons() { if (this.textFieldName.getValue() != null && this.textFieldValue.getValue() != null) { this.buttonSave.setEnabled(true); } else { this.buttonSave.setEnabled(false); } } public boolean isSaved() { return this.isSaved; } public Object getParameter() { return this.config; } @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"); // textFieldName textFieldName = new TextField(); textFieldName.setCaption("Parameter Name"); textFieldName.setImmediate(false); textFieldName.setWidth("-1px"); textFieldName.setHeight("-1px"); textFieldName.setInvalidAllowed(false); textFieldName.setRequired(true); mainLayout.addComponent(textFieldName); // textFieldValue textFieldValue = new TextField(); textFieldValue.setCaption("Parameter Value"); textFieldValue.setImmediate(false); textFieldValue.setWidth("-1px"); textFieldValue.setHeight("-1px"); textFieldValue.setInvalidAllowed(false); textFieldValue.setRequired(true); mainLayout.addComponent(textFieldValue); // buttonSave buttonSave = new Button(); buttonSave.setCaption("Save"); buttonSave.setImmediate(true); buttonSave.setWidth("-1px"); buttonSave.setHeight("-1px"); mainLayout.addComponent(buttonSave); mainLayout.setComponentAlignment(buttonSave, new Alignment(48)); return mainLayout; } }