Java tutorial
/** * Licensed to JumpMind Inc under one or more contributor * license agreements. See the NOTICE file distributed * with this work for additional information regarding * copyright ownership. JumpMind Inc licenses this file * to you under the GNU General Public License, version 3.0 (GPLv3) * (the "License"); you may not use this file except in compliance * with the License. * * You should have received a copy of the GNU General Public License, * version 3.0 (GPLv3) along with this library; if not, see * <http://www.gnu.org/licenses/>. * * 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.jumpmind.metl.ui.views.design; import java.util.ArrayList; import java.util.Date; import java.util.List; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.math.RandomUtils; import org.apache.commons.lang3.RandomStringUtils; import org.jumpmind.metl.core.model.DataType; import org.jumpmind.metl.core.model.Model; import org.jumpmind.metl.core.model.ModelAttribute; import org.jumpmind.metl.core.model.ModelEntity; import org.jumpmind.metl.core.model.Setting; import org.jumpmind.metl.core.runtime.EntityData; import org.jumpmind.metl.core.runtime.component.XsltProcessor; import org.jumpmind.metl.ui.common.ButtonBar; import org.jumpmind.vaadin.ui.common.ResizableWindow; import org.vaadin.aceeditor.AceEditor; import org.vaadin.aceeditor.AceMode; import com.vaadin.event.FieldEvents.TextChangeEvent; import com.vaadin.event.FieldEvents.TextChangeListener; import com.vaadin.server.FontAwesome; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.HorizontalSplitPanel; import com.vaadin.ui.Label; import com.vaadin.ui.TextArea; import com.vaadin.ui.TextField; import com.vaadin.ui.VerticalLayout; @SuppressWarnings({ "serial" }) public class EditXsltPanel extends AbstractComponentEditPanel implements TextChangeListener { TextField filterField; AceEditor editor; TextArea textArea; public EditXsltPanel() { } protected void buildUI() { ButtonBar buttonBar = new ButtonBar(); addComponent(buttonBar); if (!readOnly) { Button testButton = buttonBar.addButton("Test", FontAwesome.FILE_CODE_O); testButton.addClickListener(new TestClickListener()); } filterField = buttonBar.addFilter(); filterField.addTextChangeListener(this); HorizontalSplitPanel splitPanel = new HorizontalSplitPanel(); splitPanel.setSizeFull(); splitPanel.setSplitPosition(50, Unit.PERCENTAGE); VerticalLayout leftLayout = new VerticalLayout(); editor = new AceEditor(); editor.setMode(AceMode.xml); editor.setSizeFull(); editor.setHighlightActiveLine(true); editor.setShowPrintMargin(false); editor.addTextChangeListener(new StylesheetChangeListener()); editor.setValue(component.findSetting(XsltProcessor.XSLT_PROCESSOR_STYLESHEET).getValue()); leftLayout.addComponent(new Label("XSLT Stylesheet")); leftLayout.addComponent(editor); leftLayout.setExpandRatio(editor, 1.0f); leftLayout.setSizeFull(); splitPanel.setFirstComponent(leftLayout); VerticalLayout rightLayout = new VerticalLayout(); rightLayout.setSizeFull(); rightLayout.addComponent(new Label("Sample Input XML")); textArea = new TextArea(); textArea.setEnabled(false); textArea.setSizeFull(); textArea.setValue(getSampleXml()); rightLayout.addComponent(textArea); rightLayout.setExpandRatio(textArea, 1.0f); splitPanel.setSecondComponent(rightLayout); addComponent(splitPanel); setExpandRatio(splitPanel, 1.0f); textArea.setReadOnly(readOnly); editor.setReadOnly(readOnly); } @Override public boolean closing() { return true; } @Override public void selected() { } @Override public void deselected() { } @Override public void textChange(TextChangeEvent event) { textArea.setReadOnly(false); filterField.setValue(event.getText()); textArea.setValue(getSampleXml()); textArea.setReadOnly(readOnly); } protected String getSampleXml() { Model model = component.getInputModel(); String batchXml = ""; if (model != null) { ArrayList<EntityData> inputRows = new ArrayList<EntityData>(); for (ModelEntity entity : getMatchingEntities(filterField.getValue())) { EntityData data = new EntityData(); inputRows.add(data); for (ModelAttribute attr : entity.getModelAttributes()) { DataType type = attr.getDataType(); Object value = null; if (type.isString()) { value = RandomStringUtils.randomAlphanumeric(10); } else if (type.isNumeric()) { value = String.valueOf(RandomUtils.nextInt()); } else if (type.isTimestamp()) { value = new Date(RandomUtils.nextInt(Integer.MAX_VALUE) * 1000l); } else if (type.isBoolean()) { value = Boolean.toString(RandomUtils.nextBoolean()); } data.put(attr.getId(), value); } } batchXml = XsltProcessor.getBatchXml(model, inputRows, false); } return batchXml; } protected List<ModelEntity> getMatchingEntities(String filter) { List<ModelEntity> entities = new ArrayList<ModelEntity>(); if (component.getInputModel() != null) { if (StringUtils.isEmpty(filter)) { entities.addAll(component.getInputModel().getModelEntities()); } else { String filterText = filter.toUpperCase(); for (ModelEntity entity : component.getInputModel().getModelEntities()) { if (entity.getName().toUpperCase().indexOf(filterText) != -1) { entities.add(entity); continue; } for (ModelAttribute attr : entity.getModelAttributes()) { if (attr.getName().toUpperCase().indexOf(filterText) != -1) { entities.add(entity); break; } } } } } return entities; } class StylesheetChangeListener implements TextChangeListener { public void textChange(TextChangeEvent event) { Setting stylesheet = component.findSetting(XsltProcessor.XSLT_PROCESSOR_STYLESHEET); stylesheet.setValue(editor.getValue()); context.getConfigurationService().save(component); } } class TestClickListener implements ClickListener { public void buttonClick(ClickEvent event) { TestWindow window = new TestWindow(); window.show(); } } class TestWindow extends ResizableWindow { public TestWindow() { super("Test Transformation"); setWidth(800f, Unit.PIXELS); setHeight(600f, Unit.PIXELS); content.setMargin(true); TextArea textField = new TextArea(); textField.setSizeFull(); textField.setWordwrap(false); textField.setValue(XsltProcessor.getTransformedXml(textArea.getValue(), editor.getValue(), XsltProcessor.PRETTY_FORMAT, false)); addComponent(textField); content.setExpandRatio(textField, 1.0f); addComponent(buildButtonFooter(buildCloseButton())); } } }