Remember selections between dir changes

Select all items previously selected when going back()

4 files changed, 30 insertions, 6 deletions

diff --git a/filesystemwidget.cpp b/filesystemwidget.cpp
index 0e6e591..07e058d 100644
--- a/filesystemwidget.cpp
+++ b/filesystemwidget.cpp
@@ -162,13 +162,17 @@ void FilesystemWidget::directoryChanged(const QModelIndex &selected, const QMode
 	}
 	QModelIndex realPrev = mDirProxy->mapToSource(deselected);
 	if(realPrev.isValid()){
-		mLastDir = realPrev.data(QFileSystemModel::FilePathRole).toString();
+        mLastFiles[Previous] = mLastFiles[Current];
+        mLastFiles[Current] = mFileView->selectedItems();
+        mLastDir = realPrev.data(QFileSystemModel::FilePathRole).toString();
 	}
 	mModel->setRootPath(mModel->filePath(real));
 	mDirEdit->setText(mModel->filePath(real));
     setWindowTitle();
-	mFileView->selectionModel()->clear();
+
+    mFileView->selectionModel()->clear();
     mFileModel->setDir(mModel->filePath(real));
+
     resizeFileView();
 }
 
@@ -253,10 +257,15 @@ void FilesystemWidget::goBack(){
 	if(mLastDir.isEmpty()){
 		return;
 	}
-	QModelIndex lastIdx = mModel->index(mLastDir);
-	if(lastIdx.isValid()){
-		mDirView->selectionModel()->setCurrentIndex(mDirProxy->mapFromSource(lastIdx), QItemSelectionModel::ClearAndSelect);
-	}
+    QModelIndex lastIdx = mModel->index(mLastDir);
+    mDirView->selectionModel()->setCurrentIndex(mDirProxy->mapFromSource(lastIdx), QItemSelectionModel::ClearAndSelect);
+    if(lastIdx.isValid()){
+        if(!mLastFiles[Previous].isEmpty()){
+            foreach(QString lf, mLastFiles[Previous]){
+                mFileView->selectItem(lf);
+            }
+        }
+    }
 }
 
 void FilesystemWidget::deleteFiles(){
diff --git a/filesystemwidget.h b/filesystemwidget.h
index 1229962..8ecffca 100644
--- a/filesystemwidget.h
+++ b/filesystemwidget.h
@@ -33,6 +33,7 @@ class FilesystemWidget : public QWidget {
 	Q_OBJECT
 	public:
 		enum ClipboardMode { Copy, Cut, None };
+        enum SelectedFiles { Current, Previous };
 		FilesystemWidget(QWidget *parent = 0);
 		FileView *fileView() { return mFileView; }
 		FilesystemFileProxy *fileProxy() { return mFileProxy; }
@@ -108,6 +109,7 @@ class FilesystemWidget : public QWidget {
         PictureViewer2 *mPicViewer;
 		SheMovIconProvider *mIconProvider;
 		QString mLastDir;
+        QHash<int,QStringList> mLastFiles;
 		int mClipboardMode;
         QSplitter *mIconDirSplitter;
         UnpackDialog *mUnpackDlg;
diff --git a/fileview.cpp b/fileview.cpp
index 35beec6..067cc6b 100644
--- a/fileview.cpp
+++ b/fileview.cpp
@@ -50,6 +50,18 @@ void FileView::setModel(QAbstractItemModel *model){
     SmTreeView::setModel(model);
 }
 
+QStringList FileView::selectedItems(){
+    QModelIndexList items = selectionModel()->selectedRows(SmDirModel::Name);
+    if(!items.isEmpty()){
+        QStringList retval;
+        foreach(QModelIndex idx, items){
+            retval << idx.data().toString();
+        }
+        return retval;
+    }
+    return QStringList();
+}
+
 void FileView::markFiles(){
 	bool ok;
 	QString title = QString(tr("%1 - %2")).arg(qApp->applicationName()).arg(tr("Mark files"));
diff --git a/fileview.h b/fileview.h
index d437201..6d001aa 100644
--- a/fileview.h
+++ b/fileview.h
@@ -29,6 +29,7 @@ class FileView : public SmTreeView {
 		FileView(QWidget *parent = 0);
 		~FileView() {}
         virtual void setModel(QAbstractItemModel *model);
+        QStringList selectedItems();
 
 	signals:
 		void upDir();