81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
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#include "explorermodel.h"
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#include "objects/base/instance.h"
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#include "qcontainerfwd.h"
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#include "qobject.h"
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#include "qwidget.h"
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// https://doc.qt.io/qt-6/qtwidgets-itemviews-simpletreemodel-example.html#testing-the-model
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ExplorerModel::ExplorerModel(InstanceRef dataRoot, QWidget *parent)
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: QAbstractItemModel(parent)
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, rootItem(dataRoot) {
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}
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ExplorerModel::~ExplorerModel() = default;
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QModelIndex ExplorerModel::index(int row, int column, const QModelIndex &parent) const {
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if (!hasIndex(row, column, parent))
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return {};
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Instance* parentItem = parent.isValid()
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? static_cast<Instance*>(parent.internalPointer())
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: rootItem.get();
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if (parentItem->GetChildren().size() >= row)
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return createIndex(row, column, parentItem->GetChildren()[row].get());
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return {};
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}
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QModelIndex ExplorerModel::parent(const QModelIndex &index) const {
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if (!index.isValid())
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return {};
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Instance* childItem = static_cast<Instance*>(index.internalPointer());
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// NORISK: The parent must exist if the child was obtained from it during this frame
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InstanceRef parentItem = childItem->GetParent().value();
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if (parentItem == rootItem)
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return {};
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// Check above ensures this item is not root, so value() must be valid
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InstanceRef parentParent = parentItem->GetParent().value();
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for (int i = 0; i < parentParent->GetChildren().size(); i++)
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if (parentParent->GetChildren()[i] == parentItem)
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return createIndex(i, 0, parentItem.get());
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return QModelIndex{};
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}
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int ExplorerModel::rowCount(const QModelIndex &parent) const {
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if (parent.column() > 0)
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return 0;
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Instance* parentItem = parent.isValid()
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? static_cast<Instance*>(parent.internalPointer())
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: rootItem.get();
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return parentItem->GetChildren().size();
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}
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int ExplorerModel::columnCount(const QModelIndex &parent) const {
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return 1;
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}
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QVariant ExplorerModel::data(const QModelIndex &index, int role) const {
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if (!index.isValid() || role != Qt::DisplayRole)
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return {};
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const Instance *item = static_cast<const Instance*>(index.internalPointer());
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return QString::fromStdString(item->name);
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}
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QVariant ExplorerModel::headerData(int section, Qt::Orientation orientation,
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int role) const
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{
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return QString("Idk lol \u00AF\u005C\u005F\u0028\u30C4\u0029\u005F\u002F\u00AF");
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}
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Qt::ItemFlags ExplorerModel::flags(const QModelIndex &index) const
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{
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return index.isValid()
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? QAbstractItemModel::flags(index) : Qt::ItemFlags(Qt::NoItemFlags);
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}
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