def getView(self):
"""Get a new QListView suitable for displaying the toolbox."""
v = QListView()
v.setModel(self)
v.setSelectionMode(v.SingleSelection)
v.setDragEnabled(True)
v.setDragDropMode(v.DragOnly)
return v
class LayersList(QWidget):
'''
LayerList class which acts as collapsable list.
'''
def __init__(self, name, layers, filter, expand=True):
super().__init__()
self.setWindowModality(QtCore.Qt.WindowModal)
self.currently_expanded = True
self.main_layout = QVBoxLayout()
self.main_layout.setMargin(0)
self.main_layout.setSpacing(0)
self.main_layout.setContentsMargins(0, 0, 0, 0)
self.expand_button = QPushButton(name)
self.expand_button.setToolTip(f"List of {name} Layers")
self.expand_button.setIcon(
QIcon(os.path.join(PATH, 'LayersList_Down.png')))
self.layer_list = QListView()
self.layer_list.setDragEnabled(True)
self.layer_list.setEditTriggers(QAbstractItemView.NoEditTriggers)
self.layer_list.setWrapping(False)
self.layer_list.setViewMode(self.layer_list.ListMode)
self.container_model = QStandardItemModel()
self.model = QSortFilterProxyModel()
self.model.setSourceModel(self.container_model)
self.model.setFilterCaseSensitivity(QtCore.Qt.CaseInsensitive)
#self.model.cas
filter.textChanged.connect(self.filter_model)
for l in layers:
self.container_model.appendRow(
QStandardItem(
QIcon(os.path.join(PATH, 'LayersList_Layer_Icon.png')), l))
self.layer_list.setModel(self.model)
self.main_layout.addWidget(self.expand_button, 0, Qt.AlignTop)
self.main_layout.addWidget(self.layer_list, 0, Qt.AlignTop)
self.expand_button.clicked.connect(self.expand)
self.setLayout(self.main_layout)
self.resized_size = len(layers) * (self.layer_list.sizeHintForRow(0) +
self.layer_list.frameWidth())
self.layer_list.setMaximumHeight(self.resized_size)
self.layer_list.setMinimumHeight(self.resized_size)
self.setMinimumWidth(self.layer_list.frameWidth())
self.set_styling()
if not expand:
self.expand()
@QtCore.Slot()
def expand(self):
if self.currently_expanded:
self.layer_list.setMinimumHeight(0)
self.currently_expanded = False
self.expand_button.setIcon(
QIcon(os.path.join(PATH, 'LayersList_Up2.png')))
self.layer_list.setMaximumHeight(0)
else:
self.layer_list.setMinimumHeight(self.resized_size)
self.currently_expanded = True
self.expand_button.setIcon(
QIcon(os.path.join(PATH, 'LayersList_Down.png')))
self.layer_list.setMaximumHeight(self.resized_size)
def set_styling(self):
self.setStyleSheet('''
background-color:white;
''')
self.expand_button.setStyleSheet('''
background-color:#d6d2d2;
text-align:left;
''')
@QtCore.Slot()
def filter_model(self, text):
self.show()
self.model.setFilterRegExp(QRegExp(text, QtCore.Qt.CaseInsensitive))
if not self.currently_expanded:
self.expand()
if self.model.rowCount() == 0:
self.hide()