Source code for camelot.view.controls.delegates.intervalsdelegate

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import six

from ....core.qt import variant_to_py, Qt, QtGui
from .customdelegate import DocumentationMetaclass, CustomDelegate
from camelot.view.proxy import ValueLoading

@six.add_metaclass(DocumentationMetaclass)
[docs]class IntervalsDelegate(CustomDelegate): """Custom delegate for visualizing camelot.container.IntervalsContainer data: """ def paint(self, painter, option, index): painter.save() self.drawBackground(painter, option, index) intervals_container = variant_to_py(index.model().data(index, Qt.EditRole)) field_attributes = variant_to_py(index.data(Qt.UserRole)) # background_color = QtGui.QColor(index.model().data(index, Qt.BackgroundRole)) # editable is defaulted to False, because there is no editor, no need for one currently editable, color, background_color = False, None, None if field_attributes != ValueLoading: editable = field_attributes.get( 'editable', False ) background_color = field_attributes.get( 'background_color', QtGui.QColor(index.model().data(index, Qt.BackgroundRole)) ) color = field_attributes.get('color', None) if( option.state & QtGui.QStyle.State_Selected ): painter.fillRect(option.rect, option.palette.highlight()) else: if not editable: painter.fillRect(option.rect, option.palette.window()) else: painter.fillRect(option.rect, background_color) if intervals_container and intervals_container!=ValueLoading: rect = option.rect xscale = float(rect.width()-4)/(intervals_container.max - intervals_container.min) xoffset = intervals_container.min * xscale + rect.x() yoffset = rect.y() + rect.height()/2 for interval in intervals_container.intervals: qcolor = QtGui.QColor( interval.color or color ) pen = QtGui.QPen( qcolor ) pen.setWidth(3) painter.setPen(pen) xscale_interval = xscale x1, x2 = xoffset + interval.begin *xscale_interval, xoffset + interval.end*xscale_interval painter.drawLine(x1, yoffset, x2, yoffset) painter.drawEllipse(x1-1, yoffset-1, 2, 2) painter.drawEllipse(x2-1, yoffset-1, 2, 2) pen = QtGui.QPen(Qt.white) painter.restore() def createEditor(self, parent, option, index): pass def setEditorData(self, editor, index): pass def setModelData(self, editor, model, index): pass