def parent(self, child):
if not child.isValid():
return QtCore.QModelIndex()
node = child.internalPointer()
if node.row() >= 0:
return self.createIndex(node.row(), 0, node.parent())
return QtCore.QModelIndex()
def index(self, row, column, parent):
if not self.hasIndex(row, column, parent):
return QtCore.QModelIndex()
node = parent.internalPointer() if parent.isValid() else self._root
if node.children:
return self.createIndex(row, column, node.child(row))
else:
return QtCore.QModelIndex()
def __init__(self, material_library):
super(MaterialLibraryWidget, self).__init__()
self._material_library = material_library
self._fullPreviewWindow = FullPreviewWindow()
script_dir = os.path.dirname(os.path.abspath(__file__))
ui_filepath = os.path.join(script_dir, 'materialLibrary.ui')
self._ui = QtUiTools.QUiLoader().load(ui_filepath, parentWidget=self)
self._layout = QtWidgets.QVBoxLayout()
self.setLayout(self._layout)
self._layout.setContentsMargins(0, 0, 0, 0)
self._layout.addWidget(self._ui)
self._ui.filter.textChanged.connect(self._filterChanged)
self._listWidget = LibraryListWidget(self)
self._fullPreviewWindow._requiredWidget = self._listWidget
self._ui.verticalLayout_3.insertWidget(0, self._listWidget)
self._ui.treeView.clicked.connect(self._treeItemClicked)
self._listWidget.clicked.connect(self._listItemClicked)
self._listWidget.itemEntered.connect(self._listItemEntered)
self._listWidget.viewportEntered.connect(self._listViewportEntered)
self._listWidget.setMouseTracking(True)
self._ui.splitter.setSizes([150, 150])
self._libraryTreeModel = LibraryTreeModel(self) # tree item height must not be less than line edit height
self._ui.treeView.setModel(self._libraryTreeModel)
for group, materials in material_library.material_groups:
for name in materials:
self._libraryTreeModel.addItem(['All', group, name], material_library.material_datas[name].preview)
self._libraryTreeModel.reset()
self._ui.treeView.setIndentation(self._ui.treeView.indentation() // 2)
rootIndex = self._libraryTreeModel.index(0, 0, QtCore.QModelIndex())
self._treeItemClicked(rootIndex)
self._ui.treeView.expand(rootIndex)
self._ui.helpButton.clicked.connect(self._helpButtonClicked)
self._dataModel = None
self._stateLoaded = False
def columnCount(self, parent=QtCore.QModelIndex()):
return 1
def rowCount(self, parent=QtCore.QModelIndex()):
node = parent.internalPointer() if parent.isValid() else self._root
if node is not None:
return node.childCount()
else:
return 0