SemesterModelView.java

/*
 *  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);
	}

}