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#include "TulipFilterProxyModel.h"
#include "GraphTableModel.h"
#include <tulip/BooleanProperty.h>
#include <tulip/Graph.h>
using namespace tlp;
using namespace std;
TulipFilterProxyModel::TulipFilterProxyModel(QObject* parent):QSortFilterProxyModel(parent),_tableModel(NULL),_showOnlyVisibleElements(false),_selectionProperty(NULL),_reloadSelectionProperty(false),_needToReload(false) {
}
void TulipFilterProxyModel::sort(int column, Qt::SortOrder order) {
//Disable sorting
if(_tableModel) {
_tableModel->sort(column,order);
}
}
void TulipFilterProxyModel::setSourceModel ( QAbstractItemModel * sourceModel ) {
QSortFilterProxyModel::setSourceModel(sourceModel);
}
void TulipFilterProxyModel::setGraphTableModel(GraphTableModel* tableModel) {
_tableModel = tableModel;
setSourceModel(tableModel);
}
void TulipFilterProxyModel::setShowOnlySelectedElement(bool showOnlySelectedElements) {
if(_showOnlyVisibleElements != showOnlySelectedElements) {
//Stop listening viewSelection
if(_showOnlyVisibleElements) {
_selectionProperty->removeListener(this);
_tableModel->graph()->removeListener(this);
}
else {
//Begin listening view selection property
if(_tableModel->graph()->existProperty("viewSelection")) {
_selectionProperty = _tableModel->graph()->getProperty<BooleanProperty>("viewSelection");
_selectionProperty->addListener(const_cast<TulipFilterProxyModel*>(this));
}
_tableModel->graph()->addListener(const_cast<TulipFilterProxyModel*>(this));
}
_showOnlyVisibleElements = showOnlySelectedElements;
}
}
bool TulipFilterProxyModel::filterAcceptsRow ( int source_row, const QModelIndex &) const {
//Avoid another invalidate filter when calling update
_needToReload = false;
//Need to reload selection property
if (_reloadSelectionProperty) {
assert(_selectionProperty == NULL);
if(_tableModel->graph()->existProperty("viewSelection")) {
_selectionProperty = _tableModel->graph()->getProperty<BooleanProperty>("viewSelection");
_selectionProperty->addListener(const_cast<TulipFilterProxyModel*>(this));
_tableModel->graph()->addListener(const_cast<TulipFilterProxyModel*>(this));
}
_reloadSelectionProperty = false;
}
unsigned int id =_tableModel->idForIndex(source_row);
bool display = true;
if(_showOnlyVisibleElements && _selectionProperty!=NULL) {
display = _tableModel->elementType() == NODE ? _selectionProperty->getNodeValue(node(id)):_selectionProperty->getEdgeValue(edge(id));
}
bool match = false;
QRegExp regExp= filterRegExp();
if(regExp.isEmpty() ) {
match = true;
}
else {
//Search in a specific column
if(filterKeyColumn()!= -1) {
match |= regExp.exactMatch(_tableModel->data(_tableModel->index(source_row,filterKeyColumn())).toString());
}
else {
//Search in all columns
bool foundPattern = false;
for(int j =0 ; j < _tableModel->columnCount(); ++j) {
//Filter only visible columns.
// if(!ui->tableView->isColumnHidden(j)){
foundPattern = regExp.exactMatch(_tableModel->data(_tableModel->index(source_row,j)).toString());
//If we find the pattern stop the search
if(foundPattern)
break;
// }
}
match |= foundPattern;
}
}
return (display && match);
}
bool TulipFilterProxyModel::filterAcceptsColumn ( int, const QModelIndex &) const {
return true;
}
void TulipFilterProxyModel::treatEvent(const Event &ev) {
const PropertyEvent* propEvt = dynamic_cast<const PropertyEvent*>(&ev);
if (propEvt) {
switch(propEvt->getType()) {
case PropertyEvent::TLP_AFTER_SET_NODE_VALUE:
if(_tableModel->elementType() == NODE) {
_needToReload = true;
}
break;
case PropertyEvent::TLP_AFTER_SET_ALL_NODE_VALUE:
if(_tableModel->elementType() == NODE) {
_needToReload = true;
}
break;
case PropertyEvent::TLP_AFTER_SET_ALL_EDGE_VALUE:
if(_tableModel->elementType() == EDGE) {
_needToReload = true;
}
break;
case PropertyEvent::TLP_AFTER_SET_EDGE_VALUE:
if(_tableModel->elementType() == EDGE) {
_needToReload = true;
}
break;
default:
break;
}
}
else {
const GraphEvent* graphEvt = dynamic_cast<const GraphEvent*>(&ev);
if(graphEvt) {
switch(graphEvt->getType()) {
case GraphEvent::TLP_ADD_LOCAL_PROPERTY:
case GraphEvent::TLP_ADD_INHERITED_PROPERTY:
case GraphEvent::TLP_BEFORE_DEL_INHERITED_PROPERTY:
case GraphEvent::TLP_BEFORE_DEL_LOCAL_PROPERTY: {
string propertyName = graphEvt->getPropertyName();
//A new selection property was created or the current one will be destructed.
if(propertyName.compare("viewSelection")==0) {
_tableModel->graph()->removeListener(this);
if(_selectionProperty != NULL) {
_selectionProperty->removeListener(this);
_selectionProperty = NULL;
}
_reloadSelectionProperty = true;
_needToReload = true;
}
}
break;
default:
break;
}
}
}
}
void TulipFilterProxyModel::update() {
if(_needToReload) {
invalidateFilter();
_needToReload = false;
}
}
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