improved cost of reseting search in SharedFileDialog by saving hidden indexes list

This commit is contained in:
csoler 2018-02-15 00:02:08 +01:00
parent 72124bbd3f
commit 47f9a4907b
No known key found for this signature in database
GPG Key ID: 7BCA522266C0804C
2 changed files with 32 additions and 27 deletions

View File

@ -966,6 +966,9 @@ void SharedFilesDialog::recursRestoreExpandedItems(const QModelIndex& index, con
bool invisible = vis.find(local_path) != vis.end();
ui.dirTreeView->setRowHidden(index.row(),index.parent(),invisible ) ;
if(invisible)
mHiddenIndexes.push_back(proxyModel->mapToSource(index));
if(!invisible && exp.find(local_path) != exp.end())
{
#ifdef DEBUG_SHARED_FILES_DIALOG
@ -1330,26 +1333,9 @@ void SharedFilesDialog::startFilter()
#define EXPAND_WHILE_SEARCHING 1
static void recursMakeAllVisible(QTreeView *tree,const QModelIndex& indx)
{
tree->setRowHidden(indx.row(), indx.parent(), false) ;
int rowCount = tree->model()->rowCount(indx);
for (int row = 0; row < rowCount; ++row)
{
QModelIndex child_index = indx.child(row,0);
recursMakeAllVisible(tree,child_index);
}
#ifdef EXPAND_WHILE_SEARCHING
tree->setExpanded(indx,false) ;
#endif
}
//#define DEBUG_SHARED_FILES_DIALOG
static void recursMakeVisible(QTreeView *tree,const QSortFilterProxyModel *proxyModel,const QModelIndex& indx,uint32_t depth,const std::vector<std::set<void*> >& pointers)
void recursMakeVisible(QTreeView *tree,const QSortFilterProxyModel *proxyModel,const QModelIndex& indx,uint32_t depth,const std::vector<std::set<void*> >& pointers,QList<QModelIndex>& hidden_list)
{
#ifdef DEBUG_SHARED_FILES_DIALOG
for(uint32_t i=0;i<depth;++i) std::cerr << " " ; std::cerr << "depth " << depth << ": current ref=" << proxyModel->mapToSource(indx).internalPointer() << std::endl;
@ -1378,12 +1364,13 @@ static void recursMakeVisible(QTreeView *tree,const QSortFilterProxyModel *proxy
#ifdef DEBUG_SHARED_FILES_DIALOG
for(uint32_t i=0;i<depth+1;++i) std::cerr << " " ; std::cerr << "object " << proxyModel->mapToSource(child_index).internalPointer() << " visible" << std::endl;
#endif
recursMakeVisible(tree,proxyModel,child_index,depth+1,pointers) ;
recursMakeVisible(tree,proxyModel,child_index,depth+1,pointers,hidden_list) ;
found = true ;
}
else
{
tree->setRowHidden(child_index.row(), indx, true) ;
hidden_list.push_back(proxyModel->mapToSource(child_index)) ;
#ifdef EXPAND_WHILE_SEARCHING
tree->setExpanded(child_index,false) ;
#endif
@ -1395,7 +1382,23 @@ static void recursMakeVisible(QTreeView *tree,const QSortFilterProxyModel *proxy
}
if(!found && depth == 0)
{
tree->setRowHidden(indx.row(), indx.parent(), true) ;
hidden_list.push_back(proxyModel->mapToSource(indx)) ;
}
}
void SharedFilesDialog::restoreInvisibleItems()
{
for(QList<QModelIndex>::const_iterator it(mHiddenIndexes.begin());it!=mHiddenIndexes.end();++it)
{
QModelIndex indx = proxyModel->mapFromSource(*it);
if(indx.isValid())
ui.dirTreeView->setRowHidden(indx.row(), indx.parent(), false) ;
}
mHiddenIndexes.clear();
}
class QCursorContextBlocker
@ -1436,6 +1439,7 @@ void SharedFilesDialog::FilterItems()
std::cerr << "New last text. Performing the filter" << std::endl;
mLastFilterText = text ;
model->update() ;
restoreInvisibleItems();
QCursorContextBlocker q(ui.dirTreeView) ;
@ -1447,14 +1451,7 @@ void SharedFilesDialog::FilterItems()
std::list<DirDetails> result_list ;
if(text == "")
{
int rowCount = ui.dirTreeView->model()->rowCount();
for (int row = 0; row < rowCount; ++row)
recursMakeAllVisible(ui.dirTreeView,ui.dirTreeView->model()->index(row, COLUMN_NAME)) ;
return ;
}
if(text.length() < 3)
return ;
@ -1525,7 +1522,7 @@ void SharedFilesDialog::FilterItems()
int rowCount = ui.dirTreeView->model()->rowCount();
for (int row = 0; row < rowCount; ++row)
recursMakeVisible(ui.dirTreeView,proxyModel,ui.dirTreeView->model()->index(row, COLUMN_NAME),0,pointers);
recursMakeVisible(ui.dirTreeView,proxyModel,ui.dirTreeView->model()->index(row, COLUMN_NAME),0,pointers,mHiddenIndexes);
}
else
{
@ -1554,6 +1551,7 @@ bool SharedFilesDialog::flat_FilterItem(const QModelIndex &index, const QString
else
{
ui.dirTreeView->setRowHidden(index.row(), index.parent(), true);
mHiddenIndexes.push_back(proxyModel->mapToSource(index));
return true ;
}
}
@ -1584,7 +1582,10 @@ bool SharedFilesDialog::tree_FilterItem(const QModelIndex &index, const QString
if (visible || visibleChildCount) {
ui.dirTreeView->setRowHidden(index.row(), index.parent(), false);
} else {
{
ui.dirTreeView->setRowHidden(index.row(), index.parent(), true);
mHiddenIndexes.push_back(proxyModel->mapToSource(index));
}
}
return (visible || visibleChildCount);

View File

@ -107,6 +107,8 @@ protected:
bool tree_FilterItem(const QModelIndex &index, const QString &text, int level);
bool flat_FilterItem(const QModelIndex &index, const QString &text, int level);
void restoreInvisibleItems();
QModelIndexList getSelected();
/** Defines the actions for the context menu for QTreeWidget */
@ -133,6 +135,8 @@ protected:
QString lastFilterString;
QString mLastFilterText ;
QList<QModelIndex> mHiddenIndexes;
};
class LocalSharedFilesDialog : public SharedFilesDialog