es.ugr.rodgom.ludiuca.client.profesor.Panel.java Source code

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/*******************************************************************************
 * Ludiuca
 *
 * Copyright (C) (c) 2015 Ludiuca
 *
 * 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 es.ugr.rodgom.ludiuca.client.profesor;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Tree;
import com.google.gwt.user.client.ui.TreeItem;

import es.ugr.rodgom.ludiuca.client.MessageService;
import es.ugr.rodgom.ludiuca.client.MessageServiceAsync;
import es.ugr.rodgom.ludiuca.client.TaskList;
import es.ugr.rodgom.ludiuca.client.TeacherList;
import es.ugr.rodgom.ludiuca.client.profesor.CentralPan;

/**
 * A component that displays a list of contacts.
 */
public class Panel extends Composite {

    private Tree tree;
    private MessageServiceAsync messageService = GWT.create(MessageService.class);

    /**
     * Constructs a new tree widget.
     */
    public Panel() {
        tree = new Tree();
        tree.addTextItem("Mis Puntos");
        tree.addTextItem("Clasificacin");

        tree.addSelectionHandler(new SelectionHandler<TreeItem>() {
            @Override
            public void onSelection(SelectionEvent<TreeItem> event) {
                TreeItem item = event.getSelectedItem();
                // expand the selected item
                String text = item.getText();
                CentralPan centralPan = Context.getCentralPan();
                if (text == "Mis Puntos") {
                    // Show the corresponding information
                    Context.getCentralPan().updateCoursesListBox();
                    loadPoints();
                } else if (text == "Clasificacin") {
                    // Show the corresponding information
                    loadClassification();
                }
                Context.setCentralPan(centralPan);
            }
        });
        initWidget(tree);
    }

    public void loadPoints() {
        AsyncCallback<TaskList> callback = new AsyncCallback<TaskList>() {
            public void onFailure(Throwable caught) {
                Window.alert("ERROR");
            }

            public void onSuccess(TaskList result) {
                CentralPan centralPan = Context.getCentralPan();
                centralPan.setAllTaskList(result);
                centralPan.setTextHeaderTasks();
                centralPan.deck.showWidget(Context.PANELPUNTOS);
                Context.setCentralPan(centralPan);

            }
        };
        messageService.getPoints(Context.getTeacher().getId(), -1, 0, callback);
    }

    public void loadClassification() {
        AsyncCallback<TeacherList> callback = new AsyncCallback<TeacherList>() {
            public void onFailure(Throwable caught) {
                Window.alert("ERROR");
            }

            public void onSuccess(TeacherList result) {
                CentralPan centralPan = Context.getCentralPan();
                centralPan.deck.showWidget(Context.CLASIFICACION);
                centralPan.setEmptyHeader();
                result.sortTeacher();
                centralPan.setTeacherList(result);
                centralPan.setTextHeaderClass();
                Context.setCentralPan(centralPan);

            }
        };
        messageService.getClassificationTeacher(callback);
    }

}