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-rw-r--r--logic/minecraft/ModList.cpp610
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diff --git a/logic/minecraft/ModList.cpp b/logic/minecraft/ModList.cpp
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+/* Copyright 2013-2015 MultiMC Contributors
+ *
+ * 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.
+ */
+
+#include "ModList.h"
+#include <pathutils.h>
+#include <QMimeData>
+#include <QUrl>
+#include <QUuid>
+#include <QString>
+#include <QFileSystemWatcher>
+#include <QDebug>
+
+ModList::ModList(const QString &dir, const QString &list_file)
+ : QAbstractListModel(), m_dir(dir), m_list_file(list_file)
+{
+ ensureFolderPathExists(m_dir.absolutePath());
+ m_dir.setFilter(QDir::Readable | QDir::NoDotAndDotDot | QDir::Files | QDir::Dirs |
+ QDir::NoSymLinks);
+ m_dir.setSorting(QDir::Name | QDir::IgnoreCase | QDir::LocaleAware);
+ m_list_id = QUuid::createUuid().toString();
+ m_watcher = new QFileSystemWatcher(this);
+ is_watching = false;
+ connect(m_watcher, SIGNAL(directoryChanged(QString)), this,
+ SLOT(directoryChanged(QString)));
+}
+
+void ModList::startWatching()
+{
+ is_watching = m_watcher->addPath(m_dir.absolutePath());
+ if (is_watching)
+ {
+ qDebug() << "Started watching " << m_dir.absolutePath();
+ }
+ else
+ {
+ qDebug() << "Failed to start watching " << m_dir.absolutePath();
+ }
+}
+
+void ModList::stopWatching()
+{
+ is_watching = !m_watcher->removePath(m_dir.absolutePath());
+ if (!is_watching)
+ {
+ qDebug() << "Stopped watching " << m_dir.absolutePath();
+ }
+ else
+ {
+ qDebug() << "Failed to stop watching " << m_dir.absolutePath();
+ }
+}
+
+void ModList::internalSort(QList<Mod> &what)
+{
+ auto predicate = [](const Mod &left, const Mod &right)
+ {
+ if (left.name() == right.name())
+ {
+ return left.mmc_id().localeAwareCompare(right.mmc_id()) < 0;
+ }
+ return left.name().localeAwareCompare(right.name()) < 0;
+ };
+ std::sort(what.begin(), what.end(), predicate);
+}
+
+bool ModList::update()
+{
+ if (!isValid())
+ return false;
+
+ QList<Mod> orderedMods;
+ QList<Mod> newMods;
+ m_dir.refresh();
+ auto folderContents = m_dir.entryInfoList();
+ bool orderOrStateChanged = false;
+
+ // first, process the ordered items (if any)
+ OrderList listOrder = readListFile();
+ for (auto item : listOrder)
+ {
+ QFileInfo infoEnabled(m_dir.filePath(item.id));
+ QFileInfo infoDisabled(m_dir.filePath(item.id + ".disabled"));
+ int idxEnabled = folderContents.indexOf(infoEnabled);
+ int idxDisabled = folderContents.indexOf(infoDisabled);
+ bool isEnabled;
+ // if both enabled and disabled versions are present, it's a special case...
+ if (idxEnabled >= 0 && idxDisabled >= 0)
+ {
+ // we only process the one we actually have in the order file.
+ // and exactly as we have it.
+ // THIS IS A CORNER CASE
+ isEnabled = item.enabled;
+ }
+ else
+ {
+ // only one is present.
+ // we pick the one that we found.
+ // we assume the mod was enabled/disabled by external means
+ isEnabled = idxEnabled >= 0;
+ }
+ int idx = isEnabled ? idxEnabled : idxDisabled;
+ QFileInfo &info = isEnabled ? infoEnabled : infoDisabled;
+ // if the file from the index file exists
+ if (idx != -1)
+ {
+ // remove from the actual folder contents list
+ folderContents.takeAt(idx);
+ // append the new mod
+ orderedMods.append(Mod(info));
+ if (isEnabled != item.enabled)
+ orderOrStateChanged = true;
+ }
+ else
+ {
+ orderOrStateChanged = true;
+ }
+ }
+ // if there are any untracked files...
+ if (folderContents.size())
+ {
+ // the order surely changed!
+ for (auto entry : folderContents)
+ {
+ newMods.append(Mod(entry));
+ }
+ internalSort(newMods);
+ orderedMods.append(newMods);
+ orderOrStateChanged = true;
+ }
+ // otherwise, if we were already tracking some mods
+ else if (mods.size())
+ {
+ // if the number doesn't match, order changed.
+ if (mods.size() != orderedMods.size())
+ orderOrStateChanged = true;
+ // if it does match, compare the mods themselves
+ else
+ for (int i = 0; i < mods.size(); i++)
+ {
+ if (!mods[i].strongCompare(orderedMods[i]))
+ {
+ orderOrStateChanged = true;
+ break;
+ }
+ }
+ }
+ beginResetModel();
+ mods.swap(orderedMods);
+ endResetModel();
+ if (orderOrStateChanged && !m_list_file.isEmpty())
+ {
+ qDebug() << "Mod list " << m_list_file << " changed!";
+ saveListFile();
+ emit changed();
+ }
+ return true;
+}
+
+void ModList::directoryChanged(QString path)
+{
+ update();
+}
+
+ModList::OrderList ModList::readListFile()
+{
+ OrderList itemList;
+ if (m_list_file.isNull() || m_list_file.isEmpty())
+ return itemList;
+
+ QFile textFile(m_list_file);
+ if (!textFile.open(QIODevice::ReadOnly | QIODevice::Text))
+ return OrderList();
+
+ QTextStream textStream;
+ textStream.setAutoDetectUnicode(true);
+ textStream.setDevice(&textFile);
+ while (true)
+ {
+ QString line = textStream.readLine();
+ if (line.isNull() || line.isEmpty())
+ break;
+ else
+ {
+ OrderItem it;
+ it.enabled = !line.endsWith(".disabled");
+ if (!it.enabled)
+ {
+ line.chop(9);
+ }
+ it.id = line;
+ itemList.append(it);
+ }
+ }
+ textFile.close();
+ return itemList;
+}
+
+bool ModList::saveListFile()
+{
+ if (m_list_file.isNull() || m_list_file.isEmpty())
+ return false;
+ QFile textFile(m_list_file);
+ if (!textFile.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate))
+ return false;
+ QTextStream textStream;
+ textStream.setGenerateByteOrderMark(true);
+ textStream.setCodec("UTF-8");
+ textStream.setDevice(&textFile);
+ for (auto mod : mods)
+ {
+ textStream << mod.mmc_id();
+ if (!mod.enabled())
+ textStream << ".disabled";
+ textStream << endl;
+ }
+ textFile.close();
+ return false;
+}
+
+bool ModList::isValid()
+{
+ return m_dir.exists() && m_dir.isReadable();
+}
+
+bool ModList::installMod(const QFileInfo &filename, int index)
+{
+ if (!filename.exists() || !filename.isReadable() || index < 0)
+ {
+ return false;
+ }
+ Mod m(filename);
+ if (!m.valid())
+ return false;
+
+ // if it's already there, replace the original mod (in place)
+ int idx = mods.indexOf(m);
+ if (idx != -1)
+ {
+ int idx2 = mods.indexOf(m, idx + 1);
+ if (idx2 != -1)
+ return false;
+ if (mods[idx].replace(m))
+ {
+
+ auto left = this->index(index);
+ auto right = this->index(index, columnCount(QModelIndex()) - 1);
+ emit dataChanged(left, right);
+ saveListFile();
+ update();
+ return true;
+ }
+ return false;
+ }
+
+ auto type = m.type();
+ if (type == Mod::MOD_UNKNOWN)
+ return false;
+ if (type == Mod::MOD_SINGLEFILE || type == Mod::MOD_ZIPFILE || type == Mod::MOD_LITEMOD)
+ {
+ QString newpath = PathCombine(m_dir.path(), filename.fileName());
+ if (!QFile::copy(filename.filePath(), newpath))
+ return false;
+ m.repath(newpath);
+ beginInsertRows(QModelIndex(), index, index);
+ mods.insert(index, m);
+ endInsertRows();
+ saveListFile();
+ update();
+ return true;
+ }
+ else if (type == Mod::MOD_FOLDER)
+ {
+
+ QString from = filename.filePath();
+ QString to = PathCombine(m_dir.path(), filename.fileName());
+ if (!copyPath(from, to))
+ return false;
+ m.repath(to);
+ beginInsertRows(QModelIndex(), index, index);
+ mods.insert(index, m);
+ endInsertRows();
+ saveListFile();
+ update();
+ return true;
+ }
+ return false;
+}
+
+bool ModList::deleteMod(int index)
+{
+ if (index >= mods.size() || index < 0)
+ return false;
+ Mod &m = mods[index];
+ if (m.destroy())
+ {
+ beginRemoveRows(QModelIndex(), index, index);
+ mods.removeAt(index);
+ endRemoveRows();
+ saveListFile();
+ emit changed();
+ return true;
+ }
+ return false;
+}
+
+bool ModList::deleteMods(int first, int last)
+{
+ for (int i = first; i <= last; i++)
+ {
+ Mod &m = mods[i];
+ m.destroy();
+ }
+ beginRemoveRows(QModelIndex(), first, last);
+ mods.erase(mods.begin() + first, mods.begin() + last + 1);
+ endRemoveRows();
+ saveListFile();
+ emit changed();
+ return true;
+}
+
+bool ModList::moveModTo(int from, int to)
+{
+ if (from < 0 || from >= mods.size())
+ return false;
+ if (to >= rowCount())
+ to = rowCount() - 1;
+ if (to == -1)
+ to = rowCount() - 1;
+ if (from == to)
+ return false;
+ int togap = to > from ? to + 1 : to;
+ beginMoveRows(QModelIndex(), from, from, QModelIndex(), togap);
+ mods.move(from, to);
+ endMoveRows();
+ saveListFile();
+ emit changed();
+ return true;
+}
+
+bool ModList::moveModUp(int from)
+{
+ if (from > 0)
+ return moveModTo(from, from - 1);
+ return false;
+}
+
+bool ModList::moveModsUp(int first, int last)
+{
+ if (first == 0)
+ return false;
+
+ beginMoveRows(QModelIndex(), first, last, QModelIndex(), first - 1);
+ mods.move(first - 1, last);
+ endMoveRows();
+ saveListFile();
+ emit changed();
+ return true;
+}
+
+bool ModList::moveModDown(int from)
+{
+ if (from < 0)
+ return false;
+ if (from < mods.size() - 1)
+ return moveModTo(from, from + 1);
+ return false;
+}
+
+bool ModList::moveModsDown(int first, int last)
+{
+ if (last == mods.size() - 1)
+ return false;
+
+ beginMoveRows(QModelIndex(), first, last, QModelIndex(), last + 2);
+ mods.move(last + 1, first);
+ endMoveRows();
+ saveListFile();
+ emit changed();
+ return true;
+}
+
+int ModList::columnCount(const QModelIndex &parent) const
+{
+ return 3;
+}
+
+QVariant ModList::data(const QModelIndex &index, int role) const
+{
+ if (!index.isValid())
+ return QVariant();
+
+ int row = index.row();
+ int column = index.column();
+
+ if (row < 0 || row >= mods.size())
+ return QVariant();
+
+ switch (role)
+ {
+ case Qt::DisplayRole:
+ switch (column)
+ {
+ case NameColumn:
+ return mods[row].name();
+ case VersionColumn:
+ return mods[row].version();
+
+ default:
+ return QVariant();
+ }
+
+ case Qt::ToolTipRole:
+ return mods[row].mmc_id();
+
+ case Qt::CheckStateRole:
+ switch (column)
+ {
+ case ActiveColumn:
+ return mods[row].enabled() ? Qt::Checked : Qt::Unchecked;
+ default:
+ return QVariant();
+ }
+ default:
+ return QVariant();
+ }
+}
+
+bool ModList::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+ if (index.row() < 0 || index.row() >= rowCount(index) || !index.isValid())
+ {
+ return false;
+ }
+
+ if (role == Qt::CheckStateRole)
+ {
+ auto &mod = mods[index.row()];
+ if (mod.enable(!mod.enabled()))
+ {
+ emit dataChanged(index, index);
+ return true;
+ }
+ }
+ return false;
+}
+
+QVariant ModList::headerData(int section, Qt::Orientation orientation, int role) const
+{
+ switch (role)
+ {
+ case Qt::DisplayRole:
+ switch (section)
+ {
+ case ActiveColumn:
+ return QString();
+ case NameColumn:
+ return tr("Name");
+ case VersionColumn:
+ return tr("Version");
+ default:
+ return QVariant();
+ }
+
+ case Qt::ToolTipRole:
+ switch (section)
+ {
+ case ActiveColumn:
+ return tr("Is the mod enabled?");
+ case NameColumn:
+ return tr("The name of the mod.");
+ case VersionColumn:
+ return tr("The version of the mod.");
+ default:
+ return QVariant();
+ }
+ default:
+ return QVariant();
+ }
+ return QVariant();
+}
+
+Qt::ItemFlags ModList::flags(const QModelIndex &index) const
+{
+ Qt::ItemFlags defaultFlags = QAbstractListModel::flags(index);
+ if (index.isValid())
+ return Qt::ItemIsUserCheckable | Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled |
+ defaultFlags;
+ else
+ return Qt::ItemIsDropEnabled | defaultFlags;
+}
+
+QStringList ModList::mimeTypes() const
+{
+ QStringList types;
+ types << "text/uri-list";
+ types << "text/plain";
+ return types;
+}
+
+Qt::DropActions ModList::supportedDropActions() const
+{
+ // copy from outside, move from within and other mod lists
+ return Qt::CopyAction | Qt::MoveAction;
+}
+
+Qt::DropActions ModList::supportedDragActions() const
+{
+ // move to other mod lists or VOID
+ return Qt::MoveAction;
+}
+
+QMimeData *ModList::mimeData(const QModelIndexList &indexes) const
+{
+ QMimeData *data = new QMimeData();
+
+ if (indexes.size() == 0)
+ return data;
+
+ auto idx = indexes[0];
+ int row = idx.row();
+ if (row < 0 || row >= mods.size())
+ return data;
+
+ QStringList params;
+ params << m_list_id << QString::number(row);
+ data->setText(params.join('|'));
+ return data;
+}
+bool ModList::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column,
+ const QModelIndex &parent)
+{
+ if (action == Qt::IgnoreAction)
+ return true;
+ // check if the action is supported
+ if (!data || !(action & supportedDropActions()))
+ return false;
+ if (parent.isValid())
+ {
+ row = parent.row();
+ column = parent.column();
+ }
+
+ if (row > rowCount())
+ row = rowCount();
+ if (row == -1)
+ row = rowCount();
+ if (column == -1)
+ column = 0;
+ qDebug() << "Drop row: " << row << " column: " << column;
+
+ // files dropped from outside?
+ if (data->hasUrls())
+ {
+ bool was_watching = is_watching;
+ if (was_watching)
+ stopWatching();
+ auto urls = data->urls();
+ for (auto url : urls)
+ {
+ // only local files may be dropped...
+ if (!url.isLocalFile())
+ continue;
+ QString filename = url.toLocalFile();
+ installMod(filename, row);
+ qDebug() << "installing: " << filename;
+ // if there is no ordering, re-sort the list
+ if (m_list_file.isEmpty())
+ {
+ beginResetModel();
+ internalSort(mods);
+ endResetModel();
+ }
+ }
+ if (was_watching)
+ startWatching();
+ return true;
+ }
+ else if (data->hasText())
+ {
+ QString sourcestr = data->text();
+ auto list = sourcestr.split('|');
+ if (list.size() != 2)
+ return false;
+ QString remoteId = list[0];
+ int remoteIndex = list[1].toInt();
+ qDebug() << "move: " << sourcestr;
+ // no moving of things between two lists
+ if (remoteId != m_list_id)
+ return false;
+ // no point moving to the same place...
+ if (row == remoteIndex)
+ return false;
+ // otherwise, move the mod :D
+ moveModTo(remoteIndex, row);
+ return true;
+ }
+ return false;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 13:50:01 +0000