Java tutorial
/* * Copyright 2011 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.formbuilder.client.form.items; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.jbpm.formapi.client.FormBuilderException; import org.jbpm.formapi.client.effect.FBFormEffect; import org.jbpm.formapi.client.form.FBFormItem; import org.jbpm.formapi.shared.api.FormItemRepresentation; import org.jbpm.formapi.shared.api.items.CheckBoxRepresentation; import org.jbpm.formbuilder.client.FormBuilderGlobals; import org.jbpm.formbuilder.client.messages.I18NConstants; import com.google.gwt.user.client.ui.CheckBox; import com.google.gwt.user.client.ui.Widget; import com.gwtent.reflection.client.Reflectable; /** * UI form item. Represents a checkbox */ @Reflectable public class CheckBoxFormItem extends FBFormItem { private final I18NConstants i18n = FormBuilderGlobals.getInstance().getI18n(); private CheckBox checkBox = new CheckBox(); private String formValue; private Boolean checked; private String name; private String id; public CheckBoxFormItem() { this(new ArrayList<FBFormEffect>()); } public CheckBoxFormItem(List<FBFormEffect> formEffects) { super(formEffects); add(checkBox); setWidth("15px"); setHeight("15px"); checkBox.setSize(getWidth(), getHeight()); } @Override public Map<String, Object> getFormItemPropertiesMap() { Map<String, Object> map = new HashMap<String, Object>(); map.put("formValue", this.formValue); map.put("checked", this.checked); map.put("name", this.name); map.put("id", this.id); map.put("height", getHeight()); map.put("width", getWidth()); return map; } @Override public void saveValues(Map<String, Object> asPropertiesMap) { this.formValue = extractString(asPropertiesMap.get("formValue")); this.name = extractString(asPropertiesMap.get("name")); this.id = extractString(asPropertiesMap.get("id")); this.checked = extractBoolean(asPropertiesMap.get("checked")); setHeight(extractString(asPropertiesMap.get("height"))); setWidth(extractString(asPropertiesMap.get("width"))); populate(this.checkBox); } private void populate(CheckBox checkBox) { if (this.formValue != null) { checkBox.setFormValue(formValue); } if (this.name != null) { checkBox.setName(name); } if (this.checked != null) { checkBox.setValue(checked); } if (getWidth() != null) { checkBox.setWidth(getWidth()); } if (getHeight() != null) { checkBox.setHeight(getHeight()); } } @Override public FormItemRepresentation getRepresentation() { CheckBoxRepresentation rep = super.getRepresentation(new CheckBoxRepresentation()); rep.setFormValue(formValue); rep.setName(name); rep.setId(id); rep.setChecked(checked); return rep; } @Override public void populate(FormItemRepresentation rep) throws FormBuilderException { if (!(rep instanceof CheckBoxRepresentation)) { throw new FormBuilderException(i18n.RepNotOfType(rep.getClass().getName(), "CheckBoxRepresentation")); } super.populate(rep); CheckBoxRepresentation crep = (CheckBoxRepresentation) rep; this.formValue = crep.getFormValue(); this.name = crep.getName(); this.id = crep.getId(); this.checked = crep.getChecked(); populate(this.checkBox); } @Override public FBFormItem cloneItem() { CheckBoxFormItem clone = new CheckBoxFormItem(getFormEffects()); clone.setWidth(getWidth()); clone.setHeight(getHeight()); clone.checked = this.checked; clone.formValue = this.formValue; clone.id = this.id; clone.name = this.name; clone.populate(clone.checkBox); return clone; } @Override public Widget cloneDisplay(Map<String, Object> data) { CheckBox cb = new CheckBox(); populate(cb); Object input = getInputValue(data); if (input != null) { cb.setValue(Boolean.valueOf(input.toString())); } if (getOutput() != null && getOutput().getName() != null) { cb.setName(getOutput().getName()); } super.populateActions(cb.getElement()); return cb; } }