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#include "folderlistwidget.h"
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#include <QDragEnterEvent>
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#include <QMimeData>
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#include <QDebug>
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#include <QDrag>
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#include <QApplication>
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#include <QMap>
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#include <QVariant>
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#include <QDir>
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FolderListWidget::FolderListWidget(QWidget *parent) : QListWidget(parent)
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{
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this->setSelectionMode(QAbstractItemView::ExtendedSelection);
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this->setAcceptDrops(true);
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this->setDragEnabled(true);
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this->setDragDropMode(QAbstractItemView::DragDrop);
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this->setDefaultDropAction(Qt::MoveAction);
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this->p_mainWin=NULL;
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this->p_path="";
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}
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FolderListWidget::~FolderListWidget()
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{
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}
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bool FolderListWidget::contains(const QString &name)
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{
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for(int i=0;i<this->count();i++)
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{
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if(this->item(i)->text()==name)
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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 FolderListWidget::isDraging(const QString &name)
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{
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for(int i=0;i<this->lastDragItems.count();i++)
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{
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if(lastDragItems.at(i)==name)
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return true;
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}
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return false;
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}
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void FolderListWidget::setMainWindow(MainWindow *mw)
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{
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this->p_mainWin = mw;
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}
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void FolderListWidget::setPath(const QString &path)
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{
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this->p_path = path;
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this->lastDragItems.clear();
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}
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void FolderListWidget::dragEnterEvent(QDragEnterEvent *event)
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{
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const QMimeData *mimeData = event->mimeData();
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QStringList mimeFormats = mimeData->formats();
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bool containsFile=false;
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if(mimeFormats.count())
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{
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QByteArray encoded = mimeData->data("application/x-qabstractitemmodeldatalist");
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QDataStream stream(&encoded, QIODevice::ReadOnly);
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while (!stream.atEnd())
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{
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int row, col;
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QMap<int, QVariant> roleDataMap;
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stream >> row >> col >> roleDataMap;
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if(this->contains(roleDataMap[0].toString()))
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containsFile = true;
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}
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}
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if(!containsFile)
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{
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QListWidget::dragEnterEvent(event);
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}
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else
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{
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this->lastDragItems.clear();
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QList<QListWidgetItem*> selItems = this->selectedItems();
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for(int i=0;i<selItems.count();i++)
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{
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lastDragItems.append(selItems.at(i)->text());
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}
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}
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}
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void FolderListWidget::dragMoveEvent(QDragMoveEvent *event)
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{
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QListWidget::dragMoveEvent(event);
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}
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void FolderListWidget::dragLeaveEvent(QDragLeaveEvent *event)
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{
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QListWidget::dragLeaveEvent(event);
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this->lastDragItems.clear();
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}
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void FolderListWidget::dropEvent(QDropEvent *event)
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{
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QByteArray encoded = event->mimeData()->data("application/x-qabstractitemmodeldatalist");
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QDataStream stream(&encoded, QIODevice::ReadOnly);
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while (!stream.atEnd())
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{
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int row, col;
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QMap<int, QVariant> roleDataMap;
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stream >> row >> col >> roleDataMap;
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QString name=roleDataMap[0].toString();
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QString oldPath = p_mainWin->getFilePath(name);
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if((oldPath!="") && (p_path!=""))
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{
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if(QFile::rename(oldPath+"/"+name,this->p_path+"/"+name))
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QListWidget::dropEvent(event);
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emit askGlobalRescan();
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}
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}
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}
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void FolderListWidget::mousePressEvent(QMouseEvent *event)
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{
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QListWidget::mousePressEvent(event);
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}
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void FolderListWidget::mouseMoveEvent(QMouseEvent *event)
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{
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QListWidget::mouseMoveEvent(event);
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}
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