Java tutorial
/** * Copyright (C) 2012 JBoss Inc * * 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.jbpm.formModeler.components.editor; import org.apache.commons.lang3.StringUtils; import org.jbpm.formModeler.core.config.builders.dataHolder.RangedDataHolderBuilder; import org.slf4j.Logger; import org.jbpm.formModeler.core.config.DataHolderManager; import org.jbpm.formModeler.core.config.FieldTypeManager; import org.jbpm.formModeler.api.model.DataFieldHolder; import org.jbpm.formModeler.api.model.DataHolder; import org.jbpm.formModeler.api.model.FieldType; import org.jbpm.formModeler.api.model.Form; import org.jbpm.formModeler.core.config.builders.dataHolder.DataHolderBuilder; import org.jbpm.formModeler.service.bb.mvc.taglib.formatter.Formatter; import org.jbpm.formModeler.service.bb.mvc.taglib.formatter.FormatterException; import org.slf4j.LoggerFactory; import javax.inject.Inject; import javax.inject.Named; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.util.*; @Named("DataHoldersFormFormatter") public class DataHoldersFormFormatter extends Formatter { private Logger log = LoggerFactory.getLogger(DataHoldersFormFormatter.class); @Inject private WysiwygFormEditor wysiwygFormEditor; @Inject private DataHolderManager dataHolderManager; @Inject private FieldTypeManager fieldTypeManager; public void service(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws FormatterException { try { if (WysiwygFormEditor.EDITION_OPTION_BINDINGS_FIELDS .equals(wysiwygFormEditor.getCurrentEditionOption())) { renderPendingFields(); } else { renderDataHolders(); } } catch (Exception e) { log.error(" DataHoldersFormFormatter rendering error"); } } public void renderDataHolders() { try { renderFragment("outputStartHeader"); for (DataHolderBuilder builder : dataHolderManager.getHolderBuilders()) { if (builder instanceof RangedDataHolderBuilder) notifyHolderBuilder((RangedDataHolderBuilder) builder, wysiwygFormEditor.getCurrentEditionContext().getPath()); else notifyHolderBuilder(builder); } renderFragment("outputEndHeader"); renderFragment("outputStart"); Form form = wysiwygFormEditor.getCurrentForm(); Set<DataHolder> holders = form.getHolders(); String existingIds = "\"\""; String existingInputIds = "\"\""; String existingOutputIds = "\"\""; for (DataHolder holder : holders) { if (!StringUtils.isEmpty(holder.getInputId())) existingInputIds += ", \"" + holder.getInputId() + "\" "; if (!StringUtils.isEmpty(holder.getOuputId())) existingOutputIds += ", \"" + holder.getOuputId() + "\" "; if (!StringUtils.isEmpty(holder.getUniqeId())) existingIds += ", \"" + holder.getUniqeId() + "\" "; } setAttribute("existingIds", existingIds); setAttribute("existingInputIds", existingInputIds); setAttribute("existingOutputIds", existingOutputIds); renderFragment("outputFormAddHolderStart"); Map<String, String> colors = dataHolderManager.getHolderColors(); for (Iterator it = colors.keySet().iterator(); it.hasNext();) { String color = (String) it.next(); String name = colors.get(color); setAttribute("color", color); setAttribute("name", name); renderFragment("color"); } Map<String, String> builderNames = new HashMap<String, String>(); // Render source types sorted by value. renderFragment("outputFormHolderTypes"); for (DataHolderBuilder builder : dataHolderManager.getHolderBuilders()) { String holderName = builder.getDataHolderName(getLocale()); builderNames.put(builder.getId(), holderName); setAttribute("holderType", builder.getId()); setAttribute("holderName", holderName); renderFragment("outputHolderType"); } renderFragment("outputEndHolderTypes"); renderFragment("outputStartBindings"); int i = 0; for (DataHolder holder : holders) { setAttribute("id", StringUtils.defaultString(holder.getUniqeId())); setAttribute("input_id", StringUtils.defaultString(holder.getInputId())); setAttribute("outId", StringUtils.defaultString(holder.getOuputId())); setAttribute("deleteId", StringUtils.defaultString(holder.getUniqeId())); setAttribute("type", builderNames .get(StringUtils.defaultIfEmpty(holder.getSupportedType(), holder.getTypeCode()))); setAttribute("renderColor", holder.getRenderColor()); setAttribute("value", holder.getInfo()); setAttribute("rowStyle", i % 2 == 1 ? "skn-even_row" : "skn-odd_row"); i++; renderFragment("outputBindings"); } renderFragment("outputEndBindings"); renderFragment("outputEnd"); } catch (Exception e) { log.error("Error:", e); } } public void notifyHolderBuilder(DataHolderBuilder builder) throws Exception { setAttribute("id", builder.getId()); renderFragment("notifyHolderBuilder"); } public void notifyHolderBuilder(RangedDataHolderBuilder builder, String path) throws Exception { setAttribute("id", builder.getId()); Map<String, String> values = builder.getHolderSources(path); StringBuffer comboJSON = new StringBuffer("["); if (values != null) { for (Iterator it = values.keySet().iterator(); it.hasNext();) { if (comboJSON.length() > 1) comboJSON.append(","); String key = (String) it.next(); String value = values.get(key); comboJSON.append("{key:\"").append(key).append("\",").append("value:\"").append(value) .append("\"}"); } } comboJSON.append("]"); setAttribute("comboValues", comboJSON.toString()); renderFragment("notifyComboHolderBuilder"); } public void renderPendingFields() throws Exception { WysiwygFormEditor wysiwygFormEditor = WysiwygFormEditor.lookup(); Form form = wysiwygFormEditor.getCurrentForm(); Set<DataHolder> holders = form.getHolders(); renderFragment("outputStart"); for (DataHolder dataHolder : holders) { Set<DataFieldHolder> dataFieldHolders = getUnBindedFields(form, dataHolder); if (dataFieldHolders != null && !dataFieldHolders.isEmpty()) { if (dataHolder.canHaveChildren()) { setAttribute("id", dataHolder.getUniqeId()); setAttribute("type", dataHolder.getTypeCode()); setAttribute("renderColor", dataHolder.getRenderColor()); if (dataHolder.getUniqeId() != null && dataHolder.getUniqeId().equals(wysiwygFormEditor.getLastDataHolderUsedId())) { setAttribute("open", Boolean.TRUE); } else { setAttribute("open", Boolean.FALSE); } String holderName = ""; holderName = dataHolder.getUniqeId(); if (holderName.length() > 20) holderName = holderName.substring(0, 19) + "..."; setAttribute("showHolderName", holderName); renderFragment("outputBinding"); } for (DataFieldHolder dataFieldHolder : dataFieldHolders) { String fieldName = dataFieldHolder.getId(); if (fieldName != null && !form.isFieldBinded(dataHolder, fieldName)) { renderAddField(fieldName, dataFieldHolder, dataHolder); } } if (dataHolder.canHaveChildren()) { renderFragment("outputEndBinding"); } } } renderFragment("outputEnd"); } protected Set<DataFieldHolder> getUnBindedFields(Form form, DataHolder dataHolder) { Set<DataFieldHolder> dataFieldHolders = dataHolder.getFieldHolders(); Set<DataFieldHolder> result = new TreeSet<DataFieldHolder>(); if (dataFieldHolders == null || dataFieldHolders.isEmpty()) return result; for (DataFieldHolder dataFieldHolder : dataFieldHolders) { String fieldName = dataFieldHolder.getId(); if (fieldName != null && !form.isFieldBinded(dataHolder, fieldName)) { result.add(dataFieldHolder); } } return result; } public void renderAddField(String fieldName, DataFieldHolder dataFieldHolder, DataHolder dataHolder) { FieldType type = fieldTypeManager.getTypeByClass(dataFieldHolder.getClassName()); if (type == null) return; setAttribute("renderColor", dataHolder.getRenderColor()); setAttribute("typeName", type.getCode()); setAttribute("bindingId", dataHolder.getUniqeId()); setAttribute("showFieldName", ((fieldName != null && fieldName.length() < 17) ? fieldName : fieldName.substring(0, 13) + "...")); setAttribute("iconUri", fieldTypeManager.getIconPathForCode(type.getCode())); setAttribute("fieldName", fieldName); renderFragment("outputField"); } }