##// END OF EJS Templates
Separate the initialization of the properties of the graph of the update of the units of the graph....
Separate the initialization of the properties of the graph of the update of the units of the graph. The initialization of the properties is carried out when adding a variable in the graph, the update of the units is carried out when loading the data of this variable

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r1337:3acf26407503
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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);
}
}
}