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selections persist when sorting a table

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git-svn-id: http://svn.osgeo.org/qgis/trunk@256 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
mhugent 2003-09-01 17:47:39 +00:00
parent c769c29956
commit 66135f841f
2 changed files with 26 additions and 11 deletions
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2
Makefile
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@ -27,6 +27,8 @@ plugins/$(MAKEFILE):
sub-plugins: plugins/$(MAKEFILE) FORCE
cd plugins && $(MAKE) -f $(MAKEFILE)
Makefile: qgis.pro /usr/lib/qt3/mkspecs/linux-g++/qmake.conf
Makefile: qgis.pro $(QTDIR)/mkspecs/default/qmake.conf
$(QMAKE) -o Makefile qgis.pro
qmake: qmake_all

35
src/qgsattributetable.cpp
View File

@ -40,7 +40,19 @@ QgsAttributeTable::~QgsAttributeTable()
void QgsAttributeTable::columnClicked(int col)
{
QApplication::setOverrideCursor(Qt::waitCursor);
//store the ids of the selected rows in a list
QValueList<int> idsOfSelected;
for(int i=0;i<numSelections();i++)
{
for(int j=selection(i).topRow();j<=selection(i).bottomRow();j++)
{
idsOfSelected.append(text(j,0).toInt());
}
}
sortColumn(col, true, true);
//clear and rebuild rowIdMap. Overwrite sortColumn later and sort rowIdMap there
rowIdMap.clear();
int id;
@ -49,9 +61,19 @@ void QgsAttributeTable::columnClicked(int col)
id=text(i,0).toInt();
rowIdMap.insert(id,i);
}
QObject::disconnect(this,SIGNAL(selectionChanged()),this,SLOT(handleChangedSelections()));
clearSelection(true);
emit selectionRemoved();
emit repaintRequested();
//select the rows again after sorting
QValueList<int>::iterator it;
for(it=idsOfSelected.begin();it!=idsOfSelected.end();++it)
{
selectRowWithId((*it));
}
QObject::connect(this,SIGNAL(selectionChanged()),this,SLOT(handleChangedSelections()));
QApplication::restoreOverrideCursor();
}
@ -105,15 +127,6 @@ void QgsAttributeTable::insertFeatureId(int id)
void QgsAttributeTable::selectRowWithId(int id)
{
//brute force approach, add a solution with a hash table or a search tree later (and rebuild this structure every time the table is sorted)
/*for(int i=0;i<numRows();i++)
{
if(text(i,0).toInt()==id)
{
selectRow(i);
return;
}
}*/
QMap<int,int>::iterator it=rowIdMap.find(id);
selectRow(it.data());
}