Model work.

This commit is contained in:
Martin Rotter 2013-11-17 16:41:44 +01:00
parent a3ce4f06d1
commit e8fbb1707b
9 changed files with 343 additions and 69 deletions

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@ -1,50 +1,50 @@
DROP TABLE IF EXISTS Information;
-- !
CREATE TABLE IF NOT EXISTS Information (
key TEXT PRIMARY KEY,
value TEXT NOT NULL
);
-- !
INSERT INTO Information VALUES ('schema_version', '0.0.1');
-- !
DROP TABLE IF EXISTS Categories;
-- !
CREATE TABLE IF NOT EXISTS Categories (
id INTEGER PRIMARY KEY,
title TEXT NOT NULL UNIQUE CHECK (title != ''),
description TEXT,
date_created TEXT NOT NULL CHECK (date_created != ''),
icon BLOB
);
-- !
DROP TABLE IF EXISTS Feeds;
-- !
CREATE TABLE IF NOT EXISTS Feeds (
id INTEGER PRIMARY KEY,
title TEXT NOT NULL CHECK (title != ''),
description TEXT,
date_created TEXT NOT NULL CHECK (date_created != ''),
icon BLOB,
category INTEGER NOT NULL CHECK (category >= -1),
encoding TEXT NOT NULL CHECK (encoding != ''),
url TEXT NOT NULL UNIQUE CHECK (url != ''),
type INTEGER NOT NULL
);
-- !
DROP TABLE IF EXISTS Messages;
-- !
CREATE TABLE IF NOT EXISTS Messages (
id INTEGER PRIMARY KEY,
feed INTEGER NOT NULL,
title TEXT NOT NULL CHECK (title != ''),
url TEXT,
author TEXT,
date_created TEXT NOT NULL CHECK (date_created != ''),
date_updated TEXT,
read INTEGER(1) NOT NULL CHECK (read >= 0 AND read <= 1) DEFAULT (0),
deleted INTEGER(1) NOT NULL CHECK (deleted >= 0 AND deleted <= 1) DEFAULT (0),
important INTEGER(1) NOT NULL CHECK (important >= 0 AND important <= 1) DEFAULT (0),
contents TEXT,
FOREIGN KEY (feed) REFERENCES Feeds (id)
DROP TABLE IF EXISTS Information;
-- !
CREATE TABLE IF NOT EXISTS Information (
key TEXT PRIMARY KEY,
value TEXT NOT NULL
);
-- !
INSERT INTO Information VALUES ('schema_version', '0.0.1');
-- !
DROP TABLE IF EXISTS Categories;
-- !
CREATE TABLE IF NOT EXISTS Categories (
id INTEGER PRIMARY KEY,
title TEXT NOT NULL UNIQUE CHECK (title != ''),
description TEXT,
date_created TEXT NOT NULL CHECK (date_created != ''),
icon BLOB
);
-- !
DROP TABLE IF EXISTS Feeds;
-- !
CREATE TABLE IF NOT EXISTS Feeds (
id INTEGER PRIMARY KEY,
title TEXT NOT NULL CHECK (title != ''),
description TEXT,
date_created TEXT NOT NULL CHECK (date_created != ''),
icon BLOB,
category INTEGER NOT NULL CHECK (category >= -1),
encoding TEXT NOT NULL CHECK (encoding != ''),
url TEXT NOT NULL UNIQUE CHECK (url != ''),
type INTEGER NOT NULL
);
-- !
DROP TABLE IF EXISTS Messages;
-- !
CREATE TABLE IF NOT EXISTS Messages (
id INTEGER PRIMARY KEY,
read INTEGER(1) NOT NULL CHECK (read >= 0 AND read <= 1) DEFAULT (0),
deleted INTEGER(1) NOT NULL CHECK (deleted >= 0 AND deleted <= 1) DEFAULT (0),
important INTEGER(1) NOT NULL CHECK (important >= 0 AND important <= 1) DEFAULT (0),
feed INTEGER NOT NULL,
title TEXT NOT NULL CHECK (title != ''),
url TEXT,
author TEXT,
date_created TEXT NOT NULL CHECK (date_created != ''),
date_updated TEXT,
contents TEXT,
FOREIGN KEY (feed) REFERENCES Feeds (id)
);

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@ -53,6 +53,27 @@
#define APP_SKIN_DEFAULT "base/vergilius.xml"
#define APP_THEME_DEFAULT "mini-kfaenza"
// Indexes of columns as they are DEFINED IN THE TABLE for MESSAGES.
#define MSG_DB_ID_INDEX 0
#define MSG_DB_READ_INDEX 1
#define MSG_DB_DELETED_INDEX 2
#define MSG_DB_IMPORTANT_INDEX 3
#define MSG_DB_FEED_INDEX 4
#define MSG_DB_TITLE_INDEX 5
#define MSG_DB_URL_INDEX 6
#define MSG_DB_AUTHOR_INDEX 7
#define MSG_DB_DCREATED_INDEX 8
#define MSG_DB_DUPDATED_INDEX 9
#define MSG_DB_CONTENTS_INDEX 10
// Indexes of columns as they are USED IN THE MODEL for MESSAGES.
#define MSG_MODEL_READ_INDEX 0
#define MSG_MODEL_IMPORTANT_INDEX 1
#define MSG_MODEL_TITLE_INDEX 2
#define MSG_MODEL_AUTHOR_INDEX 3
#define MSG_MODEL_DCREATED_INDEX 4
#define MSG_MODEL_DUPDATED_INDEX 5
#if defined(Q_OS_LINUX)
#define APP_DESKTOP_ENTRY_PATH "@DESKTOP_ENTRY@"
#define APP_DESKTOP_ENTRY_FILE "@APP_LOW_NAME@.desktop"

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@ -1,37 +1,102 @@
#include <QSqlRecord>
#include <QSqlError>
#include <QSqlQuery>
#include "qtsingleapplication/qtsingleapplication.h"
#include "core/defs.h"
#include "core/messagesmodel.h"
#include "core/databasefactory.h"
#include "gui/iconthemefactory.h"
MessagesModel::MessagesModel(QObject *parent)
: QSqlTableModel(parent,
DatabaseFactory::getInstance()->addConnection("MessagesModel")) {
: QAbstractItemModel(parent) {
setObjectName("MessagesModel");
setEditStrategy(QSqlTableModel::OnFieldChange);
QSqlDatabase d = DatabaseFactory::getInstance()->addConnection("MessagesModel2");
QSqlQuery prikaz = d.exec("SELECT id, read, deleted, important, "
"title, url, author, date_created, "
"date_updated, contents FROM Messages;");
m_columnMappings.insert(MSG_MODEL_READ_INDEX, MSG_DB_READ_INDEX);
m_columnMappings.insert(MSG_MODEL_IMPORTANT_INDEX, MSG_DB_IMPORTANT_INDEX);
m_columnMappings.insert(MSG_MODEL_TITLE_INDEX, MSG_DB_TITLE_INDEX);
m_columnMappings.insert(MSG_MODEL_AUTHOR_INDEX, MSG_DB_AUTHOR_INDEX);
m_columnMappings.insert(MSG_MODEL_DCREATED_INDEX, MSG_DB_DCREATED_INDEX);
m_columnMappings.insert(MSG_MODEL_DUPDATED_INDEX, MSG_DB_DUPDATED_INDEX);
QList<Message> list;
while (prikaz.next()) {
Message mess;
mess.m_data.append(prikaz.value(MSG_DB_ID_INDEX).toInt());
mess.m_data.append(prikaz.value(MSG_DB_READ_INDEX).toInt());
mess.m_data.append(prikaz.value(MSG_DB_DELETED_INDEX).toInt());
mess.m_data.append(prikaz.value(MSG_DB_IMPORTANT_INDEX).toInt());
mess.m_data.append(prikaz.value(MSG_DB_TITLE_INDEX).toString());
mess.m_data.append(prikaz.value(MSG_DB_URL_INDEX).toString());
mess.m_data.append(prikaz.value(MSG_DB_AUTHOR_INDEX).toString());
mess.m_data.append(prikaz.value(MSG_DB_DCREATED_INDEX).toString());
mess.m_data.append(prikaz.value(MSG_DB_DUPDATED_INDEX).toString());
mess.m_data.append(prikaz.value(MSG_DB_CONTENTS_INDEX).toString());
list.append(mess);
}
m_messages = list;
setupFonts();
setupHeaderData();
setTable("Messages");
select();
}
MessagesModel::~MessagesModel() {
qDebug("Destroying MessagesModel instance.");
}
void MessagesModel::setupFonts() {
m_normalFont = QtSingleApplication::font("MessagesView");
m_boldFont = m_normalFont;
m_boldFont.setBold(true);
}
void MessagesModel::setupHeaderData() {
// TODO: Enhance this.
m_headerData << tr("Id") << tr("Feed") << tr("Title") <<
tr("URL") << tr("Author") << tr("Created on") <<
tr("Last updated on") << tr("Read") << tr("Deleted") <<
tr("Important") << tr("Contents");
m_headerData << tr("Read") << tr("Important") <<
tr("Title") << tr("Author") <<
tr("Created on") << tr("Updated on");
}
Qt::ItemFlags MessagesModel::flags(const QModelIndex &index) const {
Q_UNUSED(index);
// Each item can be selected and is enabled.
return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
}
int MessagesModel::rowCount(const QModelIndex &parent) const {
Q_UNUSED(parent);
return m_messages.count();
}
int MessagesModel::columnCount(const QModelIndex &parent) const {
Q_UNUSED(parent);
return m_headerData.count();
}
QModelIndex MessagesModel::parent(const QModelIndex &child) const {
Q_UNUSED(child);
return QModelIndex();
}
QModelIndex MessagesModel::index(int row, int column,
const QModelIndex &parent) const {
Q_UNUSED(parent);
return createIndex(row, column);
}
QVariant MessagesModel::headerData(int section,
Qt::Orientation orientation,
int role) const {
@ -42,9 +107,85 @@ QVariant MessagesModel::headerData(int section,
switch (role) {
case Qt::DisplayRole:
case Qt::ToolTipRole:
case Qt::EditRole:
return m_headerData.at(section);
default:
return QVariant();
}
}
QVariant MessagesModel::data(const QModelIndex &index, int role) const {
// TODO: Return ISO date on EditRole and human readable date on
// DisplayRole. EditRole is used for sorting (and ISO date can be
// sorted as a string.
switch (role) {
case Qt::EditRole:
// Just return RAW data.
return m_messages.at(index.row()).m_data.at(m_columnMappings[index.column()]);
case Qt::DisplayRole: {
int real_column = m_columnMappings[index.column()];
if (real_column != MSG_DB_IMPORTANT_INDEX) {
return m_messages.at(index.row()).m_data.at(real_column);
}
else {
return QVariant();
}
}
case Qt::FontRole:
return m_messages.at(index.row()).m_data.at(m_columnMappings[MSG_MODEL_READ_INDEX]).toInt() == 1 ?
m_normalFont :
m_boldFont;
case Qt::DecorationRole:/*
if (index.column() == 0 && m_messages[index.row()].m_important == 1) {
return IconThemeFactory::getInstance()->fromTheme("zoom-fit-best");
}
else {
return QVariant();
}*/
default:
return QVariant();
}
}
bool MessagesModel::setData(const QModelIndex &index, const QVariant &value,
int role) {
Q_UNUSED(role);
m_messages[index.row()].m_data[m_columnMappings[index.column()]] = value;
QModelIndex left = this->index(index.row(), 0);
QModelIndex right = this->index(index.row(), columnCount() - 1);
emit dataChanged(left, right);
return true;
}
bool MessagesModel::setData(int row, int column, const QVariant &value) {
return setData(index(row, column), value);
}
void MessagesModel::setMessageRead(int row_index, int read) {
//int read_column = fieldIndex("read");
//blockSignals(true);
if (m_messages.at(row_index).m_data.at(MSG_DB_READ_INDEX).toInt() != read) {
// Old "read" status of this message differs from
// the new status, update it.
setData(row_index, MSG_MODEL_READ_INDEX, read);
}
//blockSignals(false);
//submitAll();
//emit dataChanged(index(message_row_index, 0), index(message_row_index, columnCount()));
}

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@ -1,11 +1,30 @@
#ifndef MESSAGESMODEL_H
#define MESSAGESMODEL_H
#include <QSqlTableModel>
#include <QStringList>
#include <QAbstractItemModel>
#include <QFont>
class MessagesModel : public QSqlTableModel {
// Representation of ONE message.
class Message {
private:
QList<QVariant> m_data;
/*
int m_id;
int m_read;
int m_deleted;
int m_important;
QString m_title;
QString m_url;
QString m_author;
QString m_dateCreated;
QString m_dateUpdate;
QString m_contents;
*/
friend class MessagesModel;
};
class MessagesModel : public QAbstractItemModel {
Q_OBJECT
public:
@ -14,18 +33,39 @@ class MessagesModel : public QSqlTableModel {
virtual ~MessagesModel();
// Model implementation.
// Data accessors/manipulators.
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
QVariant data(const QModelIndex &index, int role) const;
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
bool setData(int row, int column, const QVariant &value);
Qt::ItemFlags flags(const QModelIndex &index) const;
// Model dimensions.
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int columnCount(const QModelIndex &parent = QModelIndex()) const;
// Model navigation.
QModelIndex parent(const QModelIndex &child) const;
QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
public slots:
// Sets "read" status of message with given row index.
void setMessageRead(int row_index, int read);
private:
void setupHeaderData();
signals:
public slots:
// Creates "normal" and "bold" fonts.
void setupFonts();
private:
QStringList m_headerData;
QHash<int, int> m_columnMappings;
QList<Message> m_messages;
QFont m_normalFont;
QFont m_boldFont;
QList<QString> m_headerData;
};

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@ -11,6 +11,8 @@ MessagesProxyModel::MessagesProxyModel(QObject *parent)
setSortCaseSensitivity(Qt::CaseInsensitive);
setFilterCaseSensitivity(Qt::CaseInsensitive);
setFilterKeyColumn(-1);
setFilterRole(Qt::EditRole);
setDynamicSortFilter(false);
setSourceModel(m_sourceModel);
}
@ -18,6 +20,10 @@ MessagesProxyModel::~MessagesProxyModel() {
qDebug("Destroying MessagesProxyModel instance.");
}
MessagesModel *MessagesProxyModel::sourceModel() {
return m_sourceModel;
}
bool MessagesProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const {
return QSortFilterProxyModel::lessThan(left, right);
}

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@ -14,10 +14,15 @@ class MessagesProxyModel : public QSortFilterProxyModel {
explicit MessagesProxyModel(QObject *parent = 0);
virtual ~MessagesProxyModel();
// Source model getter.
MessagesModel *sourceModel();
protected:
// Compares two rows of data.
bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
private:
// Source model pointer.
MessagesModel *m_sourceModel;
};

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@ -1,3 +1,5 @@
#include <QHeaderView>
#include "gui/messagesview.h"
#include "core/messagesproxymodel.h"
#include "core/messagesmodel.h"
@ -5,6 +7,7 @@
MessagesView::MessagesView(QWidget *parent) : QTreeView(parent) {
m_proxyModel = new MessagesProxyModel(this);
m_sourceModel = m_proxyModel->sourceModel();
setModel(m_proxyModel);
setupAppearance();
@ -22,4 +25,51 @@ void MessagesView::setupAppearance() {
setRootIsDecorated(false);
setItemsExpandable(false);
setSortingEnabled(true);
setAllColumnsShowFocus(true);
setSelectionMode(QAbstractItemView::ExtendedSelection);
}
void MessagesView::selectionChanged(const QItemSelection &selected,
const QItemSelection &deselected) {
/*
if (selected.indexes().size() > 0) {
QModelIndex ind = m_proxyModel->mapToSource(selected.indexes().at(0));
QModelIndex a = selected.indexes().at(0);
qDebug("SelectionChanged %d %d source %d %d",
selected.indexes().at(0).row(), selected.indexes().at(0).column(),
ind.row(), ind.column());
m_sourceModel->setMessageRead(1, ind.row());
sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
QModelIndex new_index = m_proxyModel->mapFromSource(ind);
// TODO: Buď tady obnovovat celý předchozí výběr nějak
// nebo použít starší kod a optimalizovat ho.
selectionModel()->clearSelection();
selectionModel()->blockSignals(true);
setCurrentIndex(new_index);
scrollTo(new_index);
selectionModel()->select(new_index, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows | QItemSelectionModel::Current );
selectionModel()->blockSignals(false);
}*/
QTreeView::selectionChanged(selected, deselected);
}
void MessagesView::currentChanged(const QModelIndex &current,
const QModelIndex &previous) {
QModelIndex ind = m_proxyModel->mapToSource(current);
qDebug("CurrentChanged %d %d source %d %d",
current.row(), current.column(),
ind.row(), ind.column());
m_sourceModel->setMessageRead(ind.row(), 1);
QTreeView::currentChanged(current, previous);
}

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@ -3,6 +3,8 @@
#include <QTreeView>
#include "core/messagesmodel.h"
class MessagesProxyModel;
@ -17,8 +19,19 @@ class MessagesView : public QTreeView {
protected:
void setupAppearance();
void currentChanged(const QModelIndex &current,
const QModelIndex &previous);
void selectionChanged(const QItemSelection &selected,
const QItemSelection &deselected);
signals:
void currentMessageChanged(const Message &message);
void currentMessageRemoved();
private:
MessagesProxyModel *m_proxyModel;
MessagesModel *m_sourceModel;
};

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@ -74,8 +74,6 @@ int main(int argc, char *argv[]) {
IconThemeFactory::getInstance()->loadCurrentIconTheme(false);
SkinFactory::getInstance()->loadCurrentSkin();
DatabaseFactory::getInstance()->addConnection("abc");
// Load localization and setup locale before any widget is constructed.
LoadLocalization();