Java tutorial
/* * Copyright 2008 University of Prince Edward Island * * 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 ca.upei.ic.timetable.client; import java.util.Date; import com.google.gwt.core.client.GWT; import com.google.gwt.json.client.JSONArray; import com.google.gwt.json.client.JSONString; import com.google.gwt.json.client.JSONValue; import com.google.gwt.user.client.ui.CheckBox; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; public class SemesterModelView implements Model, View { private FindCourseViewController controller_; private VerticalPanel panel_; public SemesterModelView(FindCourseViewController controller) { controller_ = controller; panel_ = GWT.create(VerticalPanel.class); panel_.setSpacing(3); } public void loadJSON(JSONValue value) { JSONArray array = (JSONArray) value; // get the current month int month = new Date().getMonth() + 1; // iterate all json results for (int i = 0; i < array.size(); i++) { JSONString s = (JSONString) array.get(i); String name = s.stringValue(); CheckBox box = new CheckBox(name); box.setName(name); if (name.equals("First Semester") && month > 6 && month < 11) { box.setChecked(true); controller_.setSemesterCriteria(name, true); } if (name.equals("Second Semester") && (month > 10 || month < 4)) { box.setChecked(true); controller_.setSemesterCriteria(name, true); } // add the click listener box.addClickListener(new ClickListener() { public void onClick(Widget sender) { final CheckBox box = (CheckBox) sender; final String name = box.getName(); controller_.setSemesterCriteria(name, box.isChecked()); } }); panel_.add(box); } } public void clear() { panel_.clear(); } public void addSubView(View subView) { throw new RuntimeException("Not Implemented."); } public ViewController getController() { return controller_; } public Widget getWidget() { return panel_; } public void hide() { panel_.setVisible(false); } public void show() { panel_.setVisible(true); } }