plugin: implement view to change preference

Change-Id: Ie830238ed539810c64f3d02023c7c48bff850f64
diff --git a/src/pluginlistpreferencemodel.h b/src/pluginlistpreferencemodel.h
new file mode 100644
index 0000000..1564188
--- /dev/null
+++ b/src/pluginlistpreferencemodel.h
@@ -0,0 +1,99 @@
+/**
+ * Copyright (C) 2020 by Savoir-faire Linux
+ * Author: Aline Gondim Santos   <aline.gondimsantos@savoirfairelinux.com>
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QAbstractItemModel>
+
+#include "api/pluginmodel.h"
+
+#include "lrcinstance.h"
+
+class PluginListPreferenceModel : public QAbstractListModel
+{
+    Q_OBJECT
+    Q_PROPERTY(QString pluginId READ pluginId WRITE setPluginId)
+    Q_PROPERTY(QString preferenceKey READ preferenceKey WRITE setPreferenceKey)
+    Q_PROPERTY(QString preferenceNewValue READ preferenceNewValue WRITE setPreferenceNewValue)
+    Q_PROPERTY(int idx READ idx WRITE setIdx)
+    Q_PROPERTY(int optSize READ optSize)
+public:
+    enum Role { PreferenceValue = Qt::UserRole + 1, PreferenceEntryValue };
+    Q_ENUM(Role)
+
+    explicit PluginListPreferenceModel(QObject *parent = 0);
+    ~PluginListPreferenceModel();
+
+    /*
+     * QAbstractListModel override.
+     */
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex &parent) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    /*
+     * Override role name as access point in qml.
+     */
+    QHash<int, QByteArray> roleNames() const override;
+    QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const;
+    QModelIndex parent(const QModelIndex &child) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+
+    /*
+     * This function is to reset the model when there's new account added.
+     */
+    Q_INVOKABLE void reset();
+    /*
+     * This function is to get the current preference value
+     */
+    Q_INVOKABLE int getCurrentSettingIndex();
+
+    Q_INVOKABLE void populateLists();
+
+    void setPreferenceNewValue(const QString preferenceNewValue) { preferenceNewValue_ = preferenceNewValue; }
+    void setPreferenceKey(const QString preferenceKey) { preferenceKey_ = preferenceKey; }
+    void setPluginId(const QString pluginId)
+    {
+        pluginId_ = pluginId;
+        populateLists();
+    }
+
+    void setIdx(const int index) { idx_ = index; }
+
+    int idx() { return idx_; }
+    QString preferenceCurrentValue() {
+        return LRCInstance::pluginModel().getPluginPreferencesValues(pluginId_)[preferenceKey_];
+    }
+
+    QString preferenceNewValue()
+    {
+        preferenceNewValue_ = preferenceValuesList_[idx_];
+        return preferenceNewValue_;
+    }
+    QString preferenceKey() { return preferenceKey_; }
+    QString pluginId() { return pluginId_; }
+    int optSize() { return preferenceValuesList_.size(); }
+
+private:
+
+    QString pluginId_ = "";
+    QString preferenceKey_ = "";
+    QString preferenceNewValue_ = "";
+    QStringList preferenceValuesList_;
+    QStringList preferenceList_;
+    int idx_ = 0;
+};