mirror of
https://github.com/ynput/ayon-core.git
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60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
import os
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from openpype.resources import get_image_path
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from Qt import QtWidgets, QtCore, QtGui, QtSvg
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class DeselectableTreeView(QtWidgets.QTreeView):
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"""A tree view that deselects on clicking on an empty area in the view"""
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def mousePressEvent(self, event):
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index = self.indexAt(event.pos())
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if not index.isValid():
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# clear the selection
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self.clearSelection()
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# clear the current index
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self.setCurrentIndex(QtCore.QModelIndex())
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QtWidgets.QTreeView.mousePressEvent(self, event)
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class TreeViewSpinner(QtWidgets.QTreeView):
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size = 160
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def __init__(self, parent=None):
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super(TreeViewSpinner, self).__init__(parent=parent)
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loading_image_path = get_image_path("spinner-200.svg")
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self.spinner = QtSvg.QSvgRenderer(loading_image_path)
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self.is_loading = False
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self.is_empty = True
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def paint_loading(self, event):
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rect = event.rect()
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rect = QtCore.QRectF(rect.topLeft(), rect.bottomRight())
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rect.moveTo(
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rect.x() + rect.width() / 2 - self.size / 2,
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rect.y() + rect.height() / 2 - self.size / 2
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)
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rect.setSize(QtCore.QSizeF(self.size, self.size))
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painter = QtGui.QPainter(self.viewport())
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self.spinner.render(painter, rect)
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def paint_empty(self, event):
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painter = QtGui.QPainter(self.viewport())
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rect = event.rect()
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rect = QtCore.QRectF(rect.topLeft(), rect.bottomRight())
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qtext_opt = QtGui.QTextOption(
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QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter
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)
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painter.drawText(rect, "No Data", qtext_opt)
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def paintEvent(self, event):
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if self.is_loading:
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self.paint_loading(event)
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elif self.is_empty:
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self.paint_empty(event)
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else:
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super(TreeViewSpinner, self).paintEvent(event)
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