swmmobjecttreemodel.h File Reference

#include <QAbstractItemModel>
#include <QPointer>
#include <QVector>
#include "layers/swmmmodellayer.h"
#include "selection/selectionmanager.h"

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Classes
class	SWMMObjectTreeModel

Detailed Description

Author

Caleb Buahin caleb.nosp@m..bua.nosp@m.hin@g.nosp@m.mail.nosp@m..com

Date

2026

License\n GPL-3.0-or-later

Virtualised tree model backing the Object Browser dock. Replaces the former QTreeWidget-per-object approach so the browser scales to the millions-of-objects target set by Slice R (batched map renderer).

Hierarchy root └ Category row (Junctions / Outfalls / … / Rain Gages) └ Leaf row (synthesised from SWMMModelLayer SoA on demand)

Only the Category rows materialise as rows; leaf rows exist purely as QModelIndex coordinates that index into the layer's per-category buckets. data() fetches names through the O(1) layer API, so 1M leaves costs nothing at rest — only visible rows trigger data() calls.