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

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Here is the source code for es.ugr.rodgom.ludiuca.client.student.Panel.java

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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.student;

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.StudentList;
import es.ugr.rodgom.ludiuca.client.TaskList;

/**
 * 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 Logros");
        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 = ContextStudent.getCentralPan();
                switch (text) {
                case "Mis Logros":
                    // Show the corresponding information
                    ContextStudent.getCentralPan().updateCoursesListBox();
                    loadAwards();
                    break;
                case "Clasificacin":
                    // Show the corresponding information
                    ContextStudent.getCentralPan().updateFilterListBox();
                    loadClassification();
                    break;
                }
                ContextStudent.setCentralPan(centralPan);
            }
        });
        initWidget(tree);
    }

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

            public void onSuccess(StudentList result) {
                CentralPan centralPan = ContextStudent.getCentralPan();
                centralPan.deck.showWidget(ContextStudent.CLASIFICACION);
                centralPan.setEmptyHeader();
                result.sortStudents();
                centralPan.setStudentList(result);
                centralPan.setTextHeaderClass();
                ContextStudent.setCentralPan(centralPan);

            }
        };
        messageService.getClassification(ContextStudent.getStudent().getId(), "General", callback);
    }

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

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

            }
        };
        messageService.getFilterTask(ContextStudent.getStudent().getId(), "Todos", -1, 0, callback);
    }
}