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Wait for the end of an acquisition to validate an operation (3)...
Wait for the end of an acquisition to validate an operation (3) If an operation is to validate, waits the end of the acquisition

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r476:becb718e8802
r1248:7541b71e5b78
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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);
}
}
}