syncthingtray/syncthingmodel/syncthingfilemodel.cpp

326 lines
9.7 KiB
C++

#include "./syncthingfilemodel.h"
#include "./syncthingicons.h"
#include <syncthingconnector/syncthingconnection.h>
#include <syncthingconnector/utils.h>
#include <c++utilities/conversion/stringconversion.h>
#include <QStringBuilder>
#include <iostream>
using namespace std;
using namespace CppUtilities;
namespace Data {
SyncthingFileModel::SyncthingFileModel(SyncthingConnection &connection, const SyncthingDir &dir, QObject *parent)
: SyncthingModel(connection, parent)
, m_connection(connection)
, m_dirId(dir.id)
, m_root({ .name = dir.displayName(), .modificationTime = dir.lastFileTime, .size = dir.globalStats.bytes, .type = SyncthingItemType::Directory })
{
m_connection.browse(m_dirId, QString(), 1, [this](std::vector<SyncthingItem> &&items, QString &&errorMessage) {
Q_UNUSED(errorMessage)
const auto last = items.size() - 1;
beginInsertRows(index(0, 0), 0, last < std::numeric_limits<int>::max() ? static_cast<int>(last) : std::numeric_limits<int>::max());
m_root.children = std::move(items);
m_root.childrenPopulated = true;
endInsertRows();
});
}
SyncthingFileModel::~SyncthingFileModel()
{
QObject::disconnect(m_pendingRequest);
}
QHash<int, QByteArray> SyncthingFileModel::roleNames() const
{
const static auto roles = QHash<int, QByteArray>{
{ NameRole, "name" },
{ SizeRole, "size" },
{ ModificationTimeRole, "modificationTime" },
{ Actions, "actions" },
{ ActionNames, "actionNames" },
{ ActionIcons, "actionIcons" },
};
return roles;
}
QModelIndex SyncthingFileModel::index(int row, int column, const QModelIndex &parent) const
{
if (row < 0 || column < 0 || column > 2) {
return QModelIndex();
}
if (!parent.isValid()) {
return static_cast<std::size_t>(row) ? QModelIndex() : createIndex(row, column, &m_root);
}
auto *const parentItem = reinterpret_cast<SyncthingItem *>(parent.internalPointer());
if (!parentItem) {
return QModelIndex();
}
auto &items = parentItem->children;
if (static_cast<std::size_t>(row) >= items.size()) {
return QModelIndex();
}
auto &item = items[static_cast<std::size_t>(row)];
item.parent = parentItem;
return createIndex(row, column, &item);
}
QModelIndex SyncthingFileModel::index(const QString &path) const
{
auto parts = path.split(QChar('/'), Qt::SkipEmptyParts);
auto res = index(0, 0);
auto *parent = &m_root;
for (const auto &part : parts) {
auto foundPart = false;
for (const auto &child : parent->children) {
if (child.name == part) {
parent = &child;
res = index(static_cast<int>(child.index), 0, res);
foundPart = true;
break;
}
}
if (!foundPart) {
res = QModelIndex();
return res;
}
}
std::cerr << "index for path " << path.toStdString() << ": " << this->path(res).toStdString() << '\n';
return res;
}
QString SyncthingFileModel::path(const QModelIndex &index) const
{
auto res = QString();
if (!index.isValid()) {
return res;
}
auto parts = QStringList();
auto size = QString::size_type();
parts.reserve(reinterpret_cast<SyncthingItem *>(index.internalPointer())->level + 1);
for (auto i = index; i.isValid(); i = i.parent()) {
const auto *const item = reinterpret_cast<SyncthingItem *>(i.internalPointer());
if (item == &m_root) {
break;
}
parts.append(reinterpret_cast<SyncthingItem *>(i.internalPointer())->name);
size += parts.back().size();
}
res.reserve(size + parts.size());
for (auto i = parts.rbegin(), end = parts.rend(); i != end; ++i) {
res += *i;
res += QChar('/');
}
return res;
}
QModelIndex SyncthingFileModel::parent(const QModelIndex &child) const
{
if (!child.isValid()) {
return QModelIndex();
}
auto *const childItem = reinterpret_cast<SyncthingItem *>(child.internalPointer());
if (!childItem) {
return QModelIndex();
}
return !childItem->parent ? QModelIndex() : createIndex(static_cast<int>(childItem->index), 0, childItem->parent);
}
QVariant SyncthingFileModel::headerData(int section, Qt::Orientation orientation, int role) const
{
switch (orientation) {
case Qt::Horizontal:
switch (role) {
case Qt::DisplayRole:
switch (section) {
case 0:
return tr("Name");
case 1:
return tr("Size");
case 2:
return tr("Last modified");
}
break;
default:;
}
break;
default:;
}
return QVariant();
}
QVariant SyncthingFileModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
auto *const item = reinterpret_cast<SyncthingItem *>(index.internalPointer());
switch (role) {
case Qt::DisplayRole:
switch (index.column()) {
case 0:
return item->name;
case 1:
return QString::fromStdString(CppUtilities::dataSizeToString(item->size));
case 2:
return QString::fromStdString(item->modificationTime.toString());
}
break;
case Qt::DecorationRole: {
const auto &icons = commonForkAwesomeIcons();
switch (index.column()) {
case 0:
switch (item->type) {
case SyncthingItemType::File:
return icons.file;
case SyncthingItemType::Directory:
return icons.folder;
default:
return icons.cogs;
}
}
break;
}
case NameRole:
return item->name;
case SizeRole:
return static_cast<qsizetype>(item->size);
case ModificationTimeRole:
return QString::fromStdString(item->modificationTime.toString());
case Actions:
if (item->type == SyncthingItemType::Directory) {
return QStringList({ QStringLiteral("refresh") });
}
break;
case ActionNames:
if (item->type == SyncthingItemType::Directory) {
return QStringList({ tr("Refresh") });
}
break;
case ActionIcons:
if (item->type == SyncthingItemType::Directory) {
return QStringList({ QStringLiteral("view-refresh") });
}
break;
}
return QVariant();
}
bool SyncthingFileModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
Q_UNUSED(index)
Q_UNUSED(value)
Q_UNUSED(role)
return false;
}
int SyncthingFileModel::rowCount(const QModelIndex &parent) const
{
auto res = std::size_t();
if (!parent.isValid()) {
res = 1;
} else {
auto *const parentItem = reinterpret_cast<SyncthingItem *>(parent.internalPointer());
res = parentItem->childrenPopulated || parentItem->type != SyncthingItemType::Directory ? parentItem->children.size() : 1;
}
return res < std::numeric_limits<int>::max() ? static_cast<int>(res) : std::numeric_limits<int>::max();
}
int SyncthingFileModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent)
return 3;
}
bool SyncthingFileModel::canFetchMore(const QModelIndex &parent) const
{
if (!parent.isValid()) {
return false;
}
auto *const parentItem = reinterpret_cast<SyncthingItem *>(parent.internalPointer());
return !parentItem->childrenPopulated && parentItem->type == SyncthingItemType::Directory;
}
/// \cond
static void addLevel(std::vector<SyncthingItem> &items, int level)
{
for (auto &item : items) {
item.level += level;
addLevel(item.children, level);
}
}
/// \endcond
void SyncthingFileModel::fetchMore(const QModelIndex &parent)
{
if (!parent.isValid()) {
return;
}
m_fetchQueue.append(path(parent));
if (m_fetchQueue.size() == 1) {
processFetchQueue();
}
}
void SyncthingFileModel::triggerAction(const QString &action, const QModelIndex &index)
{
if (action == QLatin1String("refresh")) {
fetchMore(index);
}
}
void SyncthingFileModel::handleConfigInvalidated()
{
}
void SyncthingFileModel::handleNewConfigAvailable()
{
}
void SyncthingFileModel::handleForkAwesomeIconsChanged()
{
invalidateAllIndicies(QVector<int>({ Qt::DecorationRole }));
}
void SyncthingFileModel::processFetchQueue()
{
if (m_fetchQueue.isEmpty()) {
return;
}
const auto &path = m_fetchQueue.front();
m_pendingRequest = m_connection.browse(m_dirId, path, 1, [this, p = path](std::vector<SyncthingItem> &&items, QString &&errorMessage) {
Q_UNUSED(errorMessage)
m_fetchQueue.removeAll(p);
const auto refreshedIndex = index(p);
if (!refreshedIndex.isValid()) {
return;
}
auto *const refreshedItem = reinterpret_cast<SyncthingItem *>(refreshedIndex.internalPointer());
if (!refreshedItem->children.empty()) {
beginRemoveRows(refreshedIndex, 0, static_cast<int>(refreshedItem->children.size() - 1));
refreshedItem->children.clear();
endRemoveRows();
}
if (!items.empty()) {
const auto last = items.size() - 1;
addLevel(items, refreshedItem->level);
for (auto &item : items) {
item.parent = refreshedItem;
}
beginInsertRows(refreshedIndex, 0, last < std::numeric_limits<int>::max() ? static_cast<int>(last) : std::numeric_limits<int>::max());
refreshedItem->children = std::move(items);
refreshedItem->childrenPopulated = true;
endInsertRows();
}
processFetchQueue();
});
}
} // namespace Data