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Rulebased rendering gui tweaks #79

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Rulebased rendering gui tweaks #79

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ac19b91
make tree in single selection mode. All buttons/tools in this dialog …
rduivenvoorde Dec 29, 2011
8c0c746
after increase/decrease make moved item selected/current again, so yo…
rduivenvoorde Dec 29, 2011
65df833
sort on priority after increasing or decreasing prio of a item,
rduivenvoorde Dec 29, 2011
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25 changes: 20 additions & 5 deletions src/gui/symbology-ng/qgsrulebasedrendererv2widget.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ QgsRuleBasedRendererV2Widget::QgsRuleBasedRendererV2Widget( QgsVectorLayer* laye
setupUi( this );

treeRules->setRenderer( mRenderer );
treeRules->setSelectionMode(QAbstractItemView::SingleSelection);
mRefineMenu = new QMenu( btnRefineRule );
mRefineMenu->addAction( tr( "Add scales" ), this, SLOT( refineRuleScales() ) );
mRefineMenu->addAction( tr( "Add categories" ), this, SLOT( refineRuleCategories() ) );
Expand Down Expand Up @@ -202,15 +203,20 @@ void QgsRuleBasedRendererV2Widget::increasePriority()
{
if ( rule_index > 0 ) // do not increase priority of first rule
{
// we need the string width of the index (which is a string) for finding it back
int indexWidth = item->data(4, Qt::EditRole).toString().length();
mRenderer->swapRules( rule_index, rule_index - 1 );
treeRules->populateRules();
// TODO: find out where the moved rule goes and reselect it (at least for non-grouped display)
// maybe based on the following functions :
// findItems(QString(rule_index - 1), Qt::MatchExactly, 4).first.index)
// setCurrentItem, setSelected, scrollToItem
QList<QTreeWidgetItem *> items = treeRules->findItems(
QString("%1").arg(rule_index, indexWidth), Qt::MatchExactly, 4 );
if (items.length()==1)
{
treeRules->setCurrentItem(items.first());
}
}
}

}
treeRules->sortByColumn(4, Qt::AscendingOrder); // busy with priority: more clear if we order by prio now
}


Expand All @@ -227,10 +233,19 @@ void QgsRuleBasedRendererV2Widget::decreasePriority()
{
if ( rule_index + 1 < mRenderer->ruleCount() ) // do not increase priority of last rule
{
// we need the string width of the index (which is a string) for finding it back
int indexWidth = item->data(4, Qt::EditRole).toString().length();
mRenderer->swapRules( rule_index, rule_index + 1 );
treeRules->populateRules();
QList<QTreeWidgetItem *> items = treeRules->findItems(
QString("%1").arg(rule_index+2, indexWidth), Qt::MatchExactly, 4 );
if (items.length()==1)
{
treeRules->setCurrentItem(items.first());
}
}
}
treeRules->sortByColumn(4, Qt::AscendingOrder); // busy with priority: more clear if we order by prio now
}


Expand Down