111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
#ifndef MESSAGESMODEL_H
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#define MESSAGESMODEL_H
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#include <QSqlTableModel>
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#include <QFont>
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#include <QIcon>
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#include <QDateTime>
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#include "core/defs.h"
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// Represents single message.
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// NOTE: This is primarily used for transfering data
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// to WebBrowser responsible for displaying of messages.
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class Message {
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private:
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QString m_title;
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QString m_url;
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QString m_author;
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QString m_contents;
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QDateTime m_updated;
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friend class WebBrowser;
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friend class MessagesModel;
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friend class MessagesView;
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};
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class MessagesModel : public QSqlTableModel {
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Q_OBJECT
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public:
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// Constructors and destructors.
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explicit MessagesModel(QObject *parent = 0);
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virtual ~MessagesModel();
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// Model implementation.
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bool setData(const QModelIndex &idx, const QVariant &value, int role = Qt::EditRole);
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QVariant data(const QModelIndex &idx, int role = Qt::DisplayRole) const;
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QVariant data(int row, int column, int role = Qt::DisplayRole) const;
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QVariant headerData(int section, Qt::Orientation orientation, int role) const;
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Qt::ItemFlags flags(const QModelIndex &idx) const;
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public:
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// Sets up all icons which are used directly by this model.
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void setupIcons();
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// Returns message at given index.
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Message messageAt(int row_index) const;
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int messageId(int row_index) const;
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public slots:
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// To disable persistent changes submissions.
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bool submitAll();
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// CORE messages manipulators.
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// NOTE: These are used to change properties of one message.
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// NOTE: Model is NOT reset after one of these methods are applied
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// but changes ARE written to the database.
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bool switchMessageImportance(int row_index);
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bool setMessageRead(int row_index, int read);
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// BATCH messages manipulators.
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// NOTE: These methods are used for changing of attributes of
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// many messages via DIRECT SQL calls.
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// NOTE: Model is reset after one of these methods is applied and
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// changes ARE written to the database.
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bool switchBatchMessageImportance(const QModelIndexList &messages);
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bool setBatchMessagesDeleted(const QModelIndexList &messages, int deleted);
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bool setBatchMessagesRead(const QModelIndexList &messages, int read);
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// ALL messages manipulators.
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// NOTE: These methods are used for changing of attributes
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// of many messages via DIRECT SQL calls.
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// List of loaded feed ids is used for WHERE clause.
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// Model is reset after one of these methods is applied.
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bool switchAllMessageImportance();
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bool setAllMessagesDeleted(int deleted);
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bool setAllMessagesRead(int read);
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// Fetches ALL available data to the model.
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// NOTE: This is almost always needed when sorting
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// and makes the model more predictable.
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void fetchAll();
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// Loads messages of given feeds.
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void loadMessages(const QList<int> feed_ids);
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private:
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// Sets up header data.
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void setupHeaderData();
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// Creates "normal" and "bold" fonts.
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void setupFonts();
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QList<int> m_currentFeeds;
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QList<QString> m_headerData;
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#if QT_VERSION >= 0x050000
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bool m_isInEditingMode;
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#endif
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QFont m_normalFont;
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QFont m_boldFont;
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QIcon m_favoriteIcon;
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QIcon m_readIcon;
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QIcon m_unreadIcon;
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};
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#endif // MESSAGESMODEL_H
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