483 lines
10 KiB
C++
483 lines
10 KiB
C++
//
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// Copyright 2013 MultiMC Contributors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "ModList.h"
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#include "LegacyInstance.h"
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#include <pathutils.h>
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#include <QMimeData>
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#include <QUrl>
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#include <QUuid>
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#include <QFileSystemWatcher>
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#include <logger/QsLog.h>
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ModList::ModList ( const QString& dir, const QString& list_file )
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: QAbstractListModel(), m_dir(dir), m_list_file(list_file)
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{
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m_dir.setFilter(QDir::Readable | QDir::NoDotAndDotDot | QDir::Files | QDir::Dirs | QDir::NoSymLinks);
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m_dir.setSorting(QDir::Name);
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m_list_id = QUuid::createUuid().toString();
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m_watcher = new QFileSystemWatcher(this);
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is_watching = false;
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connect(m_watcher,SIGNAL(directoryChanged(QString)), this, SLOT(directoryChanged(QString)));
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update();
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}
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void ModList::startWatching()
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{
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is_watching = m_watcher->addPath(m_dir.absolutePath());
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if(is_watching)
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QLOG_INFO() << "Started watching " << m_dir.absolutePath();
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else
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QLOG_INFO() << "Failed to start watching " << m_dir.absolutePath();
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}
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void ModList::stopWatching()
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{
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is_watching = !m_watcher->removePath(m_dir.absolutePath());
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if(!is_watching)
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QLOG_INFO() << "Stopped watching " << m_dir.absolutePath();
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else
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QLOG_INFO() << "Failed to stop watching " << m_dir.absolutePath();
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}
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bool ModList::update()
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{
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if (!isValid())
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return false;
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QList<Mod> newMods;
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m_dir.refresh();
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auto folderContents = m_dir.entryInfoList();
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bool orderWasInvalid = false;
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// first, process the ordered items (if any)
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int currentOrderIndex = 0;
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QStringList listOrder = readListFile();
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for(auto item: listOrder)
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{
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QFileInfo info (m_dir.filePath(item));
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int idx = folderContents.indexOf(info);
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// if the file from the index file exists
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if(idx != -1)
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{
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// remove from the actual folder contents list
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folderContents.takeAt(idx);
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// append the new mod
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newMods.append(Mod(info));
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}
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else
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{
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orderWasInvalid = true;
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}
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}
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for(auto entry: folderContents)
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{
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newMods.append(Mod(entry));
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}
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if(mods.size() != newMods.size())
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{
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orderWasInvalid = true;
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}
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else for(int i = 0; i < mods.size(); i++)
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{
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if(!mods[i].strongCompare(newMods[i]))
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{
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orderWasInvalid = true;
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break;
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}
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}
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beginResetModel();
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mods.swap(newMods);
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endResetModel();
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if(orderWasInvalid)
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{
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saveListFile();
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emit changed();
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}
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return true;
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}
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void ModList::directoryChanged ( QString path )
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{
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update();
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}
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QStringList ModList::readListFile()
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{
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QStringList stringList;
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if(m_list_file.isNull() || m_list_file.isEmpty())
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return stringList;
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QFile textFile(m_list_file);
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if(!textFile.open(QIODevice::ReadOnly | QIODevice::Text))
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return QStringList();
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QTextStream textStream(&textFile);
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while (true)
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{
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QString line = textStream.readLine();
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if (line.isNull() || line.isEmpty())
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break;
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else
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{
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stringList.append(line);
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}
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}
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textFile.close();
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return stringList;
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}
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bool ModList::saveListFile()
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{
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if(m_list_file.isNull() || m_list_file.isEmpty())
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return false;
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QFile textFile(m_list_file);
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if(!textFile.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate))
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return false;
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QTextStream textStream(&textFile);
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for(auto mod:mods)
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{
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auto pathname = mod.filename();
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QString filename = pathname.fileName();
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textStream << filename << endl;
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}
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textFile.close();
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return false;
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}
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bool ModList::isValid()
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{
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return m_dir.exists() && m_dir.isReadable();
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}
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bool ModList::installMod ( const QFileInfo& filename, int index )
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{
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if(!filename.exists() || !filename.isReadable() || index < 0)
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{
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return false;
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}
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Mod m(filename);
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if(!m.valid())
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return false;
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// if it's already there, replace the original mod (in place)
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int idx = mods.indexOf(m);
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if(idx != -1)
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{
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if(mods[idx].replace(m))
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{
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auto left = this->index(index);
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auto right = this->index(index, columnCount(QModelIndex()) - 1);
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emit dataChanged(left, right);
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saveListFile();
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emit changed();
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return true;
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}
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return false;
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}
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auto type = m.type();
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if(type == Mod::MOD_UNKNOWN)
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return false;
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if(type == Mod::MOD_SINGLEFILE || type == Mod::MOD_ZIPFILE)
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{
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QString newpath = PathCombine(m_dir.path(), filename.fileName());
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if(!QFile::copy(filename.filePath(), newpath))
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return false;
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m.repath(newpath);
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beginInsertRows(QModelIndex(), index, index);
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mods.insert(index,m);
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endInsertRows();
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saveListFile();
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emit changed();
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return true;
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}
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else if(type == Mod::MOD_FOLDER)
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{
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QString from = filename.filePath();
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QString to = PathCombine(m_dir.path(), filename.fileName());
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if(!copyPath(from, to))
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return false;
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m.repath(to);
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beginInsertRows(QModelIndex(), index, index);
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mods.insert(index,m);
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endInsertRows();
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saveListFile();
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emit changed();
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return true;
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}
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return false;
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}
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bool ModList::deleteMod ( int index )
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{
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if(index >= mods.size() || index < 0)
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return false;
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Mod & m = mods[index];
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if(m.destroy())
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{
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beginRemoveRows(QModelIndex(), index, index);
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mods.removeAt(index);
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endRemoveRows();
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saveListFile();
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emit changed();
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return true;
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}
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return false;
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}
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bool ModList::deleteMods ( int first, int last )
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{
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for(int i = first; i <= last; i++)
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{
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Mod & m = mods[i];
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m.destroy();
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}
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beginRemoveRows(QModelIndex(), first, last);
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mods.erase(mods.begin() + first, mods.begin() + last + 1);
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endRemoveRows();
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saveListFile();
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emit changed();
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return true;
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}
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bool ModList::moveModTo ( int from, int to )
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{
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if(from < 0 || from >= mods.size())
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return false;
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if (to >= rowCount())
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to = rowCount() - 1;
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if (to == -1)
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to = rowCount() - 1;
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if(from == to)
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return false;
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int togap = to > from ? to + 1: to;
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beginMoveRows(QModelIndex(), from, from, QModelIndex(), togap);
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mods.move(from, to);
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endMoveRows();
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saveListFile();
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emit changed();
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return true;
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}
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bool ModList::moveModUp ( int from )
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{
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if(from > 0)
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return moveModTo(from, from - 1);
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return false;
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}
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bool ModList::moveModsUp ( int first, int last )
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{
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if(first == 0)
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return false;
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beginMoveRows(QModelIndex(), first, last, QModelIndex(), first - 1);
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mods.move(first-1, last);
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endMoveRows();
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saveListFile();
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emit changed();
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return true;
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}
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bool ModList::moveModDown ( int from )
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{
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if(from < 0)
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return false;
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if(from < mods.size() - 1)
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return moveModTo(from, from + 1);
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return false;
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}
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bool ModList::moveModsDown ( int first, int last )
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{
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if(last == mods.size() - 1)
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return false;
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beginMoveRows(QModelIndex(), first, last, QModelIndex(), last + 2);
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mods.move(last+1, first);
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endMoveRows();
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saveListFile();
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emit changed();
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return true;
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}
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int ModList::columnCount ( const QModelIndex& parent ) const
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{
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return 2;
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}
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QVariant ModList::data ( const QModelIndex& index, int role ) const
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{
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if(!index.isValid())
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return QVariant();
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int row = index.row();
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int column = index.column();
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if(row < 0 || row >= mods.size())
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return QVariant();
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if(role != Qt::DisplayRole)
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return QVariant();
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switch(column)
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{
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case 0:
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return mods[row].name();
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case 1:
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return mods[row].version();
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case 2:
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return mods[row].mcversion();
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default:
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return QVariant();
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}
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}
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QVariant ModList::headerData ( int section, Qt::Orientation orientation, int role ) const
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{
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if (role != Qt::DisplayRole || orientation != Qt::Horizontal)
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return QVariant();
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switch (section)
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{
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case 0:
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return QString("Name");
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case 1:
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return QString("Version");
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case 2:
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return QString("Minecraft");
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}
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}
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Qt::ItemFlags ModList::flags ( const QModelIndex& index ) const
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{
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Qt::ItemFlags defaultFlags = QAbstractListModel::flags ( index );
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if (index.isValid())
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return Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled | defaultFlags;
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else
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return Qt::ItemIsDropEnabled | defaultFlags;
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}
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QStringList ModList::mimeTypes() const
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{
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QStringList types;
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types << "text/uri-list";
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types << "text/plain";
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return types;
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}
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Qt::DropActions ModList::supportedDropActions() const
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{
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// copy from outside, move from within and other mod lists
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return Qt::CopyAction | Qt::MoveAction;
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}
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Qt::DropActions ModList::supportedDragActions() const
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{
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// move to other mod lists or VOID
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return Qt::MoveAction;
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}
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QMimeData* ModList::mimeData ( const QModelIndexList& indexes ) const
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{
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QMimeData * data = new QMimeData();
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if(indexes.size() == 0)
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return data;
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auto idx = indexes[0];
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int row = idx.row();
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if(row <0 || row >= mods.size())
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return data;
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QStringList params;
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params << m_list_id << QString::number(row);
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data->setText(params.join('|'));
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return data;
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}
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bool ModList::dropMimeData ( const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent )
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{
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if (action == Qt::IgnoreAction)
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return true;
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// check if the action is supported
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if (!data || !(action & supportedDropActions()))
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return false;
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if(parent.isValid())
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{
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row = parent.row();
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column = parent.column();
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}
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if (row > rowCount())
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row = rowCount();
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if (row == -1)
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row = rowCount();
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if (column == -1)
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column = 0;
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QLOG_INFO() << "Drop row: " << row << " column: " << column;
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// files dropped from outside?
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if(data->hasUrls())
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{
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bool was_watching = is_watching;
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if(was_watching)
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stopWatching();
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auto urls = data->urls();
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for(auto url: urls)
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{
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// only local files may be dropped...
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if(!url.isLocalFile())
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continue;
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QString filename = url.toLocalFile();
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installMod(filename, row);
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QLOG_INFO() << "installing: " << filename;
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}
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if(was_watching)
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startWatching();
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return true;
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}
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else if(data->hasText())
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{
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QString sourcestr = data->text();
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auto list = sourcestr.split('|');
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if(list.size() != 2)
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return false;
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QString remoteId = list[0];
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int remoteIndex = list[1].toInt();
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QLOG_INFO() << "move: " << sourcestr;
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// no moving of things between two lists
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if(remoteId != m_list_id)
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return false;
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// no point moving to the same place...
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if(row == remoteIndex)
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return false;
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// otherwise, move the mod :D
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moveModTo(remoteIndex, row);
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return true;
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}
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return false;
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}
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