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.client.form.I18NFormItem; import org.jbpm.formapi.shared.api.FormItemRepresentation; import org.jbpm.formapi.shared.api.items.CompleteButtonRepresentation; import org.jbpm.formbuilder.client.FormBuilderGlobals; import org.jbpm.formbuilder.client.form.I18NUtils; import org.jbpm.formbuilder.client.messages.I18NConstants; import com.google.gwt.dom.client.ButtonElement; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.FormPanel; import com.google.gwt.user.client.ui.Widget; import com.gwtent.reflection.client.Reflectable; /** * UI form item. Represents a complete button */ @Reflectable public class CompleteButtonFormItem extends FBFormItem implements I18NFormItem { private final I18NConstants i18n = FormBuilderGlobals.getInstance().getI18n(); private Button button = new Button(i18n.CompleteButton()); private final I18NUtils utils = new I18NUtils(); private String innerText = i18n.CompleteButton(); private String name; private String id; private String cssStyleName; public CompleteButtonFormItem() { this(new ArrayList<FBFormEffect>()); } public CompleteButtonFormItem(List<FBFormEffect> formEffects) { super(formEffects); add(button); setHeight("27px"); setWidth("100px"); button.setSize(getWidth(), getHeight()); } @Override public void saveValues(Map<String, Object> asPropertiesMap) { setHeight(extractString(asPropertiesMap.get("height"))); setWidth(extractString(asPropertiesMap.get("width"))); this.name = extractString(asPropertiesMap.get("name")); this.id = extractString(asPropertiesMap.get("id")); this.innerText = extractString(asPropertiesMap.get("innerText")); this.cssStyleName = extractString(asPropertiesMap.get("cssStyleName")); populate(this.button); } private void populate(Button button) { if (getHeight() != null) { button.setHeight(getHeight()); } if (getWidth() != null) { button.setWidth(getWidth()); } if (this.innerText != null) { button.setText(this.innerText); } if (this.cssStyleName != null) { button.setStyleName(this.cssStyleName); } } @Override public Map<String, Object> getFormItemPropertiesMap() { Map<String, Object> map = new HashMap<String, Object>(); map.put("height", getHeight()); map.put("width", getWidth()); map.put("innerText", this.innerText); map.put("cssStyleName", this.cssStyleName); map.put("name", this.name); map.put("id", this.id); return map; } @Override public FormItemRepresentation getRepresentation() { CompleteButtonRepresentation rep = super.getRepresentation(new CompleteButtonRepresentation()); rep.setText(this.innerText); rep.setName(this.name); rep.setId(this.id); rep.setI18n(getI18nMap()); rep.setFormat(getFormat() == null ? null : getFormat().toString()); return rep; } @Override public void populate(FormItemRepresentation rep) throws FormBuilderException { if (!(rep instanceof CompleteButtonRepresentation)) { throw new FormBuilderException( i18n.RepNotOfType(rep.getClass().getName(), "CompleteButtonRepresentation")); } super.populate(rep); CompleteButtonRepresentation crep = (CompleteButtonRepresentation) rep; this.innerText = crep.getText(); this.name = crep.getName(); this.id = crep.getId(); this.saveI18nMap(crep.getI18n()); if (crep.getFormat() != null && !"".equals(crep.getFormat())) { this.setFormat(Format.valueOf(crep.getFormat())); } populate(this.button); } @Override public FBFormItem cloneItem() { CompleteButtonFormItem clone = new CompleteButtonFormItem(getFormEffects()); clone.cssStyleName = this.cssStyleName; clone.setHeight(this.getHeight()); clone.setWidth(this.getWidth()); clone.id = this.id; clone.innerText = this.innerText; clone.saveI18nMap(getI18nMap()); clone.name = this.name; clone.populate(clone.button); clone.setFormat(getFormat()); return clone; } @Override public Widget cloneDisplay(final Map<String, Object> data) { Button bt = new Button(); populate(bt); Object input = getInputValue(data); if (input != null) { bt.setText(input.toString()); } if (getOutput() != null && getOutput().getName() != null) { ButtonElement.as(bt.getElement()).setName(getOutput().getName()); } bt.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { FormPanel form = (FormPanel) data.get(FormBuilderGlobals.FORM_PANEL_KEY); form.submit(); } }); super.populateActions(bt.getElement()); return bt; } @Override public boolean containsLocale(String localeName) { return utils.containsLocale(localeName); } @Override public String getI18n(String key) { return utils.getI18n(key); } @Override public Map<String, String> getI18nMap() { return utils.getI18nMap(); } @Override public void saveI18nMap(Map<String, String> i18nMap) { if (i18nMap != null) { String defaultI18n = i18nMap.get("default"); if (defaultI18n != null && !"".equals(defaultI18n)) { this.innerText = defaultI18n; populate(this.button); } utils.saveI18nMap(i18nMap); } } @Override public Format getFormat() { return utils.getFormat(); } @Override public void setFormat(Format format) { utils.setFormat(format); }; }