ca.upei.ic.timetable.client.CourseModelView.java Source code

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Here is the source code for ca.upei.ic.timetable.client.CourseModelView.java

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/*
 *  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 com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONNumber;
import com.google.gwt.json.client.JSONObject;
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.FocusListener;
import com.google.gwt.user.client.ui.FocusPanel;
import com.google.gwt.user.client.ui.MouseListener;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * The View for listing courses
 * 
 * @author felix
 *
 */
public class CourseModelView implements Model, View {

    private CourseViewController controller_;
    private VerticalPanel panel_;

    /**
     * 
     * @param controller
     */
    public CourseModelView(CourseViewController controller) {
        controller_ = controller;
        panel_ = new VerticalPanel();
        panel_.setSpacing(3);
    }

    public void clear() {
        panel_.clear();
    }

    public Widget getWidget() {
        return panel_;
    }

    public void addCourse(final int id, final JSONObject value, boolean selected) {
        final CheckBox box = new CheckBox();
        String name = ((JSONString) value.get("name")).stringValue();
        String title = ((JSONString) value.get("title")).stringValue();
        String time = ((JSONString) value.get("time")).stringValue();
        box.setText(name + " " + title);
        box.setName(Integer.toString(id));
        box.setChecked(selected);
        box.setEnabled(time.matches(".*\\d{1,2}:\\d{2,2}\\s*-\\s*\\d{1,2}:\\d{2,2}.*"));

        // add click listener
        box.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                final CheckBox box = (CheckBox) sender;
                if (box.isChecked()) {
                    controller_.select(id, value);
                } else {
                    controller_.unselect(id);
                }
            }

        });

        FocusPanel focus = PanelUtils.focusPanel(box, null, null, null, new MouseListener() {

            public void onMouseDown(Widget sender, int x, int y) {
            }

            public void onMouseEnter(Widget sender) {
                controller_.showCourseDetail(id);
            }

            public void onMouseLeave(Widget sender) {
                controller_.hideCourseDetail();
            }

            public void onMouseMove(Widget sender, int x, int y) {
            }

            public void onMouseUp(Widget sender, int x, int y) {
                //                  box.setChecked( !box.isChecked() );
            }
        });
        panel_.add(focus);
    }

    public void loadJSON(JSONValue value) {
        JSONArray array = (JSONArray) value;
        // load the values
        for (int i = 0; i < array.size(); i++) {
            // set value and name
            JSONObject o = (JSONObject) array.get(i);
            int id = (int) ((JSONNumber) o.get("id")).doubleValue();
            addCourse(id, o, false);
        }
    }

    public void addSubView(View subView) {
        throw new RuntimeException("Not Implemeted.");
    }

    public CourseViewController getController() {
        return controller_;
    }

    public void hide() {
        panel_.setVisible(false);
    }

    public void show() {
        panel_.setVisible(true);
    }

}