Java tutorial
/* * Copyright (c) 2011 PonySDK * Owners: * Luciano Broussal <luciano.broussal AT gmail.com> * Mathieu Barbier <mathieu.barbier AT gmail.com> * Nicolas Ciaravola <nicolas.ciaravola.pro AT gmail.com> * * WebSite: * http://code.google.com/p/pony-sdk/ * * 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 com.ponysdk.ui.terminal.ui; import com.google.gwt.event.logical.shared.ValueChangeEvent; import com.google.gwt.event.logical.shared.ValueChangeHandler; import com.google.gwt.user.client.ui.TextBoxBase; import com.ponysdk.ui.terminal.Dictionnary.HANDLER; import com.ponysdk.ui.terminal.Dictionnary.PROPERTY; import com.ponysdk.ui.terminal.Dictionnary.TYPE; import com.ponysdk.ui.terminal.UIService; import com.ponysdk.ui.terminal.instruction.PTInstruction; public class PTTextBoxBase<W extends TextBoxBase> extends PTValueBoxBase<W, String> { @Override public void addHandler(final PTInstruction addHandler, final UIService uiService) { final String handler = addHandler.getString(HANDLER.KEY); if (HANDLER.KEY_.STRING_VALUE_CHANGE_HANDLER.equals(handler)) { uiObject.addValueChangeHandler(new ValueChangeHandler<String>() { @Override public void onValueChange(final ValueChangeEvent<String> event) { final PTInstruction eventInstruction = new PTInstruction(); eventInstruction.setObjectID(addHandler.getObjectID()); eventInstruction.put(TYPE.KEY, TYPE.KEY_.EVENT); eventInstruction.put(HANDLER.KEY, HANDLER.KEY_.STRING_VALUE_CHANGE_HANDLER); eventInstruction.put(PROPERTY.VALUE, event.getValue()); uiService.triggerEvent(eventInstruction); } }); } else { super.addHandler(addHandler, uiService); } } @Override public void update(final PTInstruction update, final UIService uiService) { if (update.containsKey(PROPERTY.TEXT)) { uiObject.setText(update.getString(PROPERTY.TEXT)); } else if (update.containsKey(PROPERTY.PLACEHOLDER)) { uiObject.getElement().setAttribute("placeholder", update.getString(PROPERTY.PLACEHOLDER)); } else { super.update(update, uiService); } } }