##// END OF EJS Templates
Wait for the end of an acquisition to validate an operation (2)...
Wait for the end of an acquisition to validate an operation (2) Creates signal in VariableController emitted when there is no pending acquisition

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DataSourceTreeWidgetHelper.cpp
36 lines | 1.0 KiB | text/x-c | CppLexer
/ gui / src / DataSource / DataSourceTreeWidgetHelper.cpp
#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);
}
}
}