Tree viewer#429

Draft

jschlenger wants to merge 21 commits intotumcms:developmentfrom

jschlenger:TreeViewer

Commits on Apr 7, 2021

Add Button to UI that will open the Ifc Tree once it is implemented
jschlenger
committed

Commits on Apr 8, 2021

Add TreeDialog to UI
jschlenger
committed

Commits on Apr 15, 2021

Adding first part of the tree model and tree item (not working yet)
jschlenger
committed

Commits on Apr 20, 2021

Small changes maily to treeModel and treeItem
jschlenger
committed
Adding a ExpressModel to the ifcModel in order to be able to access it in the tree viewer dialog
jschlenger
committed

Commits on Apr 21, 2021

Add IfcTreeItem.cpp + some minor changes
jschlenger
committed

Commits on Apr 23, 2021

Small improvements
jschlenger
committed

Commits on May 21, 2021

Commits on May 28, 2021

minor changes (still not working)
jschlenger
committed

Commits on Jul 1, 2021

Commits on Jul 12, 2021

Some code from old tree viewer versions
jschlenger
committed