mirror of
https://github.com/ModOrganizer2/modorganizer.git
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99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
/*
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Copyright (C) 2012 Sebastian Herbord. All rights reserved.
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This file is part of Mod Organizer.
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Mod Organizer is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Mod Organizer is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Mod Organizer. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "archivetree.h"
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#include <QDragMoveEvent>
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ArchiveTree::ArchiveTree(QWidget *parent) :
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QTreeWidget(parent)
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{
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}
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bool ArchiveTree::testMovePossible(QTreeWidgetItem *source, QTreeWidgetItem *target)
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{
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if ((target == NULL) ||
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(source == NULL)) {
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return false;
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}
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if ((source == target) ||
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(source->parent() == target)) {
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return false;
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}
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return true;
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}
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void ArchiveTree::dragEnterEvent(QDragEnterEvent *event)
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{
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QTreeWidgetItem *source = this->currentItem();
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if ((source == NULL) || (source->parent() == NULL)) {
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// can't change top level
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event->ignore();
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return;
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} else {
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QTreeWidget::dragEnterEvent(event);
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}
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}
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void ArchiveTree::dragMoveEvent(QDragMoveEvent *event)
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{
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if (!testMovePossible(this->currentItem(), itemAt(event->pos()))) {
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event->ignore();
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} else {
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QTreeWidget::dragMoveEvent(event);
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}
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}
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void ArchiveTree::dropEvent(QDropEvent *event)
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{
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event->ignore();
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QTreeWidgetItem *target = itemAt(event->pos());
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QList<QTreeWidgetItem*> sourceItems = this->selectedItems();
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for (QList<QTreeWidgetItem*>::iterator iter = sourceItems.begin();
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iter != sourceItems.end(); ++iter) {
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QTreeWidgetItem *source = *iter;
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if ((source->parent() != NULL) &&
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testMovePossible(source, target)) {
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source->parent()->removeChild(source);
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if (target->data(0, Qt::UserRole).toInt() != 0) {
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// target is a file
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if (target->parent() == NULL) {
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// this should really not happen, how should a
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// file get to the top level?
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return;
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}
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int index = target->parent()->indexOfChild(target);
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target->parent()->insertChild(index, source);
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emit changed();
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} else {
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// target is a directory
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target->insertChild(target->childCount(), source);
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emit changed();
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}
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}
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}
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}
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