cl.uai.client.rubric.ChangeLogInterface.java Source code

Introduction

Here is the source code for cl.uai.client.rubric.ChangeLogInterface.java

Source

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * @package   eMarking
 * @copyright 2013 Jorge Villaln <villalon@gmail.com>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
package cl.uai.client.rubric;

import cl.uai.client.EMarkingComposite;
import cl.uai.client.MarkingInterface;
import cl.uai.client.data.AjaxData;
import cl.uai.client.data.AjaxRequest;
import cl.uai.client.resources.Resources;

import java.util.logging.Logger;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.http.client.URL;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * @author Jorge Villaln
 *
 */
public class ChangeLogInterface extends EMarkingComposite {

    private static Logger logger = Logger.getLogger(ChangeLogInterface.class.getName());
    private VerticalPanel mainPanel = null;

    private Label title = null;
    private TextArea changeLogText = null;

    private Button saveLog = null;

    public ChangeLogInterface() {
        this.mainPanel = new VerticalPanel();
        this.mainPanel.addStyleName(Resources.INSTANCE.css().previouscomments());

        this.title = new Label(MarkingInterface.messages.ChangeLogInstructions());

        this.changeLogText = new TextArea();
        this.changeLogText.addStyleName(Resources.INSTANCE.css().generalfeedbacktxt());
        this.changeLogText.addValueChangeHandler(new ValueChangeHandler<String>() {
            @Override
            public void onValueChange(ValueChangeEvent<String> event) {
                logger.fine("Changed!");
            }
        });

        this.saveLog = new Button(MarkingInterface.messages.SaveChanges());
        this.saveLog.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                AjaxRequest.ajaxRequest("action=addchangelog&txt=" + URL.encode(getChangeLogText()),
                        new AsyncCallback<AjaxData>() {
                            @Override
                            public void onSuccess(AjaxData result) {
                                Window.alert("Success!");
                            }

                            @Override
                            public void onFailure(Throwable caught) {
                                Window.alert("Falied! :-( Please try again later");
                            }
                        });
            }
        });

        mainPanel.add(title);
        mainPanel.add(changeLogText);
        mainPanel.add(saveLog);
        mainPanel.setCellHorizontalAlignment(saveLog, HasHorizontalAlignment.ALIGN_RIGHT);

        this.initWidget(mainPanel);
    }

    @Override
    protected void onLoad() {
        super.onLoad();

        if (MarkingInterface.submissionData == null)
            return;

        String changelog = "";
        if (!MarkingInterface.submissionData.getChangelog().equals("null")) {
            changelog = MarkingInterface.submissionData.getChangelog();
        }

        this.changeLogText.setText(changelog);
    }

    public String getChangeLogText() {
        return this.changeLogText.getText();
    }
}