Remember selections on FileModel reset

Since can reset the FileView through a time, remember the selections on
reset and restore them after. The Timer is stopped when an item is being
edited.

1 files changed, 26 insertions, 0 deletions

diff --git a/fileview.cpp b/fileview.cpp
index 0f0fa28..b5766ca 100644
--- a/fileview.cpp
+++ b/fileview.cpp
@@ -25,6 +25,7 @@
 #include <QSortFilterProxyModel>
 #include <QtWidgets/QInputDialog>
 #include <QPalette>
+#include <QTimer>
 
 #include "fileview.h"
 #include "hoverwindow.h"
@@ -43,6 +44,12 @@ FileView::FileView(QWidget *parent) : QTreeView(parent), mDeleteA(0) {
     SmGlobals::instance()->treeWidgets().append(this);
 }
 
+void FileView::setModel(QAbstractItemModel *model){
+    mProxy = qobject_cast<FilesystemFileProxy*>(model);
+    mModel = qobject_cast<SmDirModel*>(mProxy->sourceModel());
+    QTreeView::setModel(model);
+}
+
 void FileView::markFiles(){
 	bool ok;
 	QString title = QString(tr("%1 - %2")).arg(qApp->applicationName()).arg(tr("Mark files"));
@@ -108,6 +115,7 @@ void FileView::closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint h
 	QSortFilterProxyModel *proxy = qobject_cast<QSortFilterProxyModel*>(model());
 	QModelIndex sourceIdx = proxy->mapToSource(currentIndex());
 	emit editorClosed(sourceIdx);
+    mModel->refresTimer()->start();
 }
 
 void FileView::contextMenuEvent(QContextMenuEvent *e){
@@ -219,6 +227,24 @@ void FileView::selectedFilesChanged(){
     emit selectedSize(selSize);
 }
 
+void FileView::saveSelection(){
+    mMd5Sums.clear();
+    QModelIndexList selected = selectionModel()->selectedRows(SmDirModel::Md5sum);
+    foreach(QModelIndex i, selected){
+        mMd5Sums << i.data().toString();
+    }
+}
+
+void FileView::restoreSelection(){
+    foreach(QString s, mMd5Sums){
+        QModelIndex i = mModel->find(s, SmDirModel::Md5sum);
+        if(i.isValid()){
+            QModelIndex r = mProxy->mapFromSource(i);
+            selectionModel()->select(r, QItemSelectionModel::Rows | QItemSelectionModel::Select);
+        }
+    }
+}
+
 bool FileView::exitHover(bool exitVal){
 	mHoverWin->setVisible(false);
 	mCurHover = QModelIndex();