NoteEditor.hpp Example File

    /* Copyright (c) 2012, 2013  BlackBerry Limited.
    *
    * 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.
    */

    #ifndef NOTEEDITOR_HPP
    #define NOTEEDITOR_HPP

    #include <bb/pim/notebook/NotebookEntryDescription>
    #include <bb/pim/notebook/NotebookEntryId>
    #include <bb/pim/notebook/NotebookService>

    #include <QtCore/QObject>

    /**
     * @short A controller object to encapsulate the logic of the note editor
     *
     * The NoteEditor class is an UI-independent representation of the note editor,
     * that provides all the functionality and data as slots and properties.
     * It encapsulates all the logic of creating a new note or updating an existing
     * one.
     */
    class NoteEditor : public QObject
    {
        Q_OBJECT

        // The data properties of the note that is created or updated
        Q_PROPERTY(QString title READ title WRITE setTitle NOTIFY titleChanged)
        Q_PROPERTY(QString description READ description WRITE setDescription NOTIFY descriptionChanged)
        Q_PROPERTY(QDateTime dueDateTime READ dueDateTime WRITE setDueDateTime NOTIFY dueDateTimeChanged)
        Q_PROPERTY(bool completed READ completed WRITE setCompleted NOTIFY completedChanged)

        // Defines whether the editor is in 'create' or 'edit' mode
        Q_PROPERTY(Mode mode READ mode WRITE setMode NOTIFY modeChanged)

        Q_ENUMS(Mode)

    public:
        /**
         * Describes the mode of the note editor.
         * The mode information are used to adapt the behavior of the editor and
         * provide hints to the UI.
         */
        enum Mode {
            CreateMode,
            EditMode
        };

        NoteEditor(bb::pim::notebook::NotebookService *service, QObject *parent = 0);

        void setMode(Mode mode);
        Mode mode() const;

    public Q_SLOTS:
        /**
         * Loads the note with the given ID.
         */
        void loadNote(const bb::pim::notebook::NotebookEntryId &noteId);

        /**
         * Save the currently loaded note if in 'edit' mode or creates a new one
         * if in 'create' mode.
         */
        void saveNote();

        /**
         * Resets all fields of the note editor.
         */
        void reset();

    Q_SIGNALS:
        // The change notification signals of the properties
        void titleChanged();
        void descriptionChanged();
        void dueDateTimeChanged();
        void completedChanged();
        void modeChanged();

    private:
        // The accessor methods of the properties
        void setTitle(const QString &title);
        QString title() const;

        void setDescription(const QString &description);
        QString description() const;

        void setDueDateTime(const QDateTime &dueDateTime);
        QDateTime dueDateTime() const;

        void setCompleted(bool completed);
        bool completed() const;

        // The central object to access the note service
        bb::pim::notebook::NotebookService *m_notebookService;

        // The ID of the currently loaded note (if in 'edit' mode)
        bb::pim::notebook::NotebookEntryId m_noteId;

        // The property values
        QString m_title;
        bb::pim::notebook::NotebookEntryDescription m_description;
        QDateTime m_dueDateTime;
        bool m_completed;

        Mode m_mode;
    };

    #endif