##// END OF EJS Templates
Remove the catalogue from discard or remove button have now the same gui...
Remove the catalogue from discard or remove button have now the same gui behavior

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r476:becb718e8802
r1371:232b551e25db
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DataSourceTreeWidgetHelper.cpp
36 lines | 1.0 KiB | text/x-c | CppLexer
/ gui / src / DataSource / DataSourceTreeWidgetHelper.cpp
Alexandre Leroux
Creates helper that filters a tree widget according to a filter function
r476 #include "DataSource/DataSourceTreeWidgetHelper.h"
#include "DataSource/DataSourceTreeWidgetItem.h"
namespace {
bool filterTreeItem(DataSourceTreeWidgetItem &treeItem,
DataSourceTreeWidgetHelper::FilterFunction fun, bool parentValid = false)
{
auto selfValid = parentValid || fun(treeItem);
auto childValid = false;
auto childCount = treeItem.childCount();
for (auto i = 0; i < childCount; ++i) {
if (auto childItem = dynamic_cast<DataSourceTreeWidgetItem *>(treeItem.child(i))) {
childValid |= filterTreeItem(*childItem, fun, selfValid);
}
}
auto valid = selfValid || childValid;
treeItem.setHidden(!valid);
return valid;
}
} // namespace
void DataSourceTreeWidgetHelper::filter(QTreeWidget &treeWidget, FilterFunction fun) noexcept
{
auto itemCount = treeWidget.topLevelItemCount();
for (auto i = 0; i < itemCount; ++i) {
if (auto item = dynamic_cast<DataSourceTreeWidgetItem *>(treeWidget.topLevelItem(i))) {
filterTreeItem(*item, fun);
}
}
}