class CanvasDisplayTabWidget(CanvasDisplayWidget):
"""Canvas display widget that displays canvases in tabs."""
def __init__(self, parent=None):
super(CanvasDisplayTabWidget, self).__init__(parent)
self._tabWidget = QTabWidget()
self._tabWidget.setParent(self)
self.setLayout(QVBoxLayout())
self.layout().setContentsMargins(0, 0, 0, 0)
self.layout().addWidget(self._tabWidget)
self.icon = QIcon(path('icons/tabs.png'))
def getView(self):
return self._tabWidget.currentWidget()
def clear_canvases(self):
self._tabWidget.clear()
def show_canvases(self, canvases):
self._tabWidget.clear()
for canvas in canvases:
if canvas is not None:
self._tabWidget.addTab(canvas, canvas.canvas_name)
class CanvasDisplayTabWidget(CanvasDisplayWidget):
"""Canvas display widget that displays canvases in tabs."""
def __init__(self, parent=None):
super(CanvasDisplayTabWidget, self).__init__(parent)
self._tabWidget = QTabWidget()
self._tabWidget.setParent(self)
self.setLayout(QVBoxLayout())
self.layout().setContentsMargins(0, 0, 0, 0)
self.layout().addWidget(self._tabWidget)
# Set attrs for when the buttons are created
self.icon = QIcon(path('icons/tabs.png'))
# TODO: right now, we are not attaching help text directly to this widget
# (it can be confusing when trying to hover over the StackedCanvasView,
# the StackedCanvasView's help text is hard to display)
self.tool_tip = "Tab View"
self.whats_this = "Reorganizes displayed data into separate tabs."
def getView(self):
return self._tabWidget.currentWidget()
def clear_canvases(self):
self._tabWidget.clear()
def show_canvases(self, canvases):
self._tabWidget.clear()
for canvas in canvases:
if canvas is not None:
self._tabWidget.addTab(canvas, canvas.canvas_name)
class HintTabView(QAbstractItemView):
"""
View that is responsible for displaying Hints in a tab-based manner.
"""
def __init__(self, parent=None):
super(HintTabView, self).__init__(parent)
self._tabWidget = QTabWidget()
self._tabWidget.setParent(self)
self._indexToTabMap = OrderedDict()
self.setLayout(QVBoxLayout())
self.layout().setContentsMargins(0, 0, 0, 0)
self.layout().addWidget(self._tabWidget)
def _findTab(self, tabName):
"""
Convenience function to find a tab by name (instead of by index as provide by Qt's API).
Parameters
----------
tabName
Name of the tab to attempt to find.
Returns
-------
QWidget
If found, returns the found widget with name ``tabName``. Raises an IndexError if not found.
"""
for i in range(self._tabWidget.count()):
if self._tabWidget.tabText(i) == tabName:
return self._tabWidget.widget(i)
raise IndexError
def dataChanged(self,
topLeft: QModelIndex,
bottomRight: QModelIndex,
roles=None):
"""
Re-implements the QAbstractItemView.dataChanged() slot.
When the data attached to the Qt.CheckStateRole has been changed, this will either render a Hint or remove the
Hint visualization.
Parameters
----------
topLeft
For now, the only index we are concerned with, which corresponds to the item's check state changing.
bottomRight
(Unused right now)
roles
List of roles attached to the data state change.
"""
if roles is None:
roles = []
if self.model():
# empty list indicates ALL roles have changed (see documentation)
if Qt.CheckStateRole in roles or len(roles) == 0:
hint = topLeft.data(Qt.UserRole)
if hint:
if topLeft.data(Qt.CheckStateRole) == Qt.Checked:
if hint.group not in [
self._tabWidget.tabText(index)
for index in range(self._tabWidget.count())
]:
canvas = hint.init_canvas(addLegend=True)
self._tabWidget.addTab(canvas, hint.group)
else:
canvas = self._findTab(hint.group)
hint.visualize(canvas)
else:
hint.remove()
super(HintTabView, self).dataChanged(topLeft, bottomRight, roles)
def horizontalOffset(self):
return 0
def indexAt(self, point: QPoint):
return QModelIndex()
def moveCursor(self,
QAbstractItemView_CursorAction,
Union,
Qt_KeyboardModifiers=None,
Qt_KeyboardModifier=None):
return QModelIndex()
def rowsInserted(self, index: QModelIndex, start, end):
return
def rowsAboutToBeRemoved(self, index: QModelIndex, start, end):
return
def scrollTo(self, QModelIndex, hint=None):
return
def verticalOffset(self):
return 0
def visualRect(self, QModelIndex):
from qtpy.QtCore import QRect
return QRect()
