AccountEditor.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 ACCOUNTEDITOR_HPP
    #define ACCOUNTEDITOR_HPP

    #include <bb/cascades/Container>
    #include <bb/pim/account/AccountService>

    #include <QtCore/QObject>
    #include <QtCore/QPointer>

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

        // The ID of the provider the account belongs to
        Q_PROPERTY(QString providerId READ providerId WRITE setProviderId NOTIFY providerIdChanged)

        // The container where all the editor fields are located in
        Q_PROPERTY(bb::cascades::Container* form READ form WRITE setForm NOTIFY formChanged)

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

        AccountEditor(bb::pim::account::AccountService *service, QObject *parent = 0);

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

    public Q_SLOTS:
        /**
         * Loads the account with the given ID.
         */
        void loadAccount(bb::pim::account::AccountKey accountId);

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

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

    Q_SIGNALS:
        // The change notification signals of the properties
        void providerIdChanged();
        void formChanged();
        void modeChanged();

    private:
        // The accessor methods of the properties
        QString providerId() const;
        void setProviderId(const QString &providerId);
        bb::cascades::Container* form() const;
        void setForm(bb::cascades::Container *form);

        // Loads the account data from persistent storage into fields
        void loadAccount();

        // Updates the fields according to the configured provider
        void updateFields();

        // The central object to access the account service
        bb::pim::account::AccountService *m_accountService;

        // The ID of the currently loaded account (if in 'edit' mode)
        bb::pim::account::AccountKey m_accountId;

        // The property values
        QString m_providerId;
        QPointer<bb::cascades::Container> m_form;

        Mode m_mode;

        QHash<QString, bb::cascades::Control*> m_fields;
    };

    #endif