class FilterIcon(QGraphicsEllipseItem):
"""An icon to show that a Link has filters."""
def __init__(self, x, y, w, h, parent):
super().__init__(x, y, w, h, parent)
self._parent = parent
color = QColor("slateblue")
self.setBrush(qApp.palette().window()) # pylint: disable=undefined-variable
self._text_item = QGraphicsTextItem(self)
font = QFont('Font Awesome 5 Free Solid')
self._text_item.setFont(font)
self._text_item.setPos(0, 0)
self._text_item.setPlainText("\uf0b0")
self._text_item.setDefaultTextColor(color)
self._text_item.setPos(self.sceneBoundingRect().center() -
self._text_item.sceneBoundingRect().center())
self.setFlag(QGraphicsItem.ItemIsSelectable, enabled=True)
self.setCursor(Qt.PointingHandCursor)
def itemChange(self, change, value):
"""Selects the parent item instead of this."""
if change == QGraphicsItem.GraphicsItemChange.ItemSelectedChange and value == 1:
if not self._parent.isSelected():
self._parent.setSelected(True)
return not value
return super().itemChange(change, value)
class FilterIcon(QGraphicsEllipseItem):
"""An icon to show that a Link has filters."""
def __init__(self, x, y, w, h, parent):
super().__init__(x, y, w, h, parent)
self._parent = parent
color = QColor("slateblue")
self.setBrush(qApp.palette().window()) # pylint: disable=undefined-variable
self._text_item = QGraphicsTextItem(self)
font = QFont('Font Awesome 5 Free Solid')
self._text_item.setFont(font)
self._text_item.setPos(0, 0)
self._text_item.setPlainText("\uf0b0")
self._text_item.setDefaultTextColor(color)
self._text_item.setPos(self.sceneBoundingRect().center() - self._text_item.sceneBoundingRect().center())
self.setFlag(QGraphicsItem.ItemIsSelectable, enabled=False)
class _LinkIcon(QGraphicsEllipseItem):
"""An icon to show over a Link."""
def __init__(self, x, y, w, h, parent):
super().__init__(x, y, w, h, parent)
self._parent = parent
color = QColor("slateblue")
self.setBrush(qApp.palette().window()) # pylint: disable=undefined-variable
self._text_item = QGraphicsTextItem(self)
font = QFont('Font Awesome 5 Free Solid')
self._text_item.setFont(font)
self._text_item.setDefaultTextColor(color)
self._svg_item = QGraphicsSvgItem(self)
self._datapkg_renderer = QSvgRenderer()
self._datapkg_renderer.load(":/icons/datapkg.svg")
self.setFlag(QGraphicsItem.ItemIsSelectable, enabled=False)
self._block_updates = False
def update_icon(self):
"""Sets the icon (filter, datapkg, or none), depending on Connection state."""
connection = self._parent.connection
if connection.use_datapackage:
self.setVisible(True)
self._svg_item.setVisible(True)
self._svg_item.setSharedRenderer(self._datapkg_renderer)
scale = 0.8 * self.rect().width(
) / self._datapkg_renderer.defaultSize().width()
self._svg_item.setScale(scale)
self._svg_item.setPos(0, 0)
self._svg_item.setPos(self.sceneBoundingRect().center() -
self._svg_item.sceneBoundingRect().center())
self._text_item.setVisible(False)
return
if connection.has_filters():
self.setVisible(True)
self._text_item.setVisible(True)
self._text_item.setPlainText("\uf0b0")
self._svg_item.setPos(0, 0)
self._text_item.setPos(
self.sceneBoundingRect().center() -
self._text_item.sceneBoundingRect().center())
self._svg_item.setVisible(False)
return
self.setVisible(False)
self._text_item.setVisible(False)
self._svg_item.setVisible(False)
class ExecutionIcon(QGraphicsEllipseItem):
"""An icon to show information about the item's execution."""
_CHECK = "\uf00c"
_CROSS = "\uf00d"
_CLOCK = "\uf017"
def __init__(self, parent):
"""
Args:
parent (ProjectItemIcon): the parent item
"""
super().__init__(parent)
self._parent = parent
self._execution_state = "not started"
self._text_item = QGraphicsTextItem(self)
font = QFont('Font Awesome 5 Free Solid')
self._text_item.setFont(font)
parent_rect = parent.rect()
self.setRect(0, 0, 0.5 * parent_rect.width(),
0.5 * parent_rect.height())
self.setPen(Qt.NoPen)
# pylint: disable=undefined-variable
self.normal_brush = qApp.palette().window()
self.selected_brush = qApp.palette().highlight()
self.setBrush(self.normal_brush)
self.setAcceptHoverEvents(True)
self.setFlag(QGraphicsItem.ItemIsSelectable, enabled=False)
self.hide()
def item_name(self):
return self._parent.name()
def _repaint(self, text, color):
self._text_item.prepareGeometryChange()
self._text_item.setPos(0, 0)
self._text_item.setPlainText(text)
self._text_item.setDefaultTextColor(color)
size = self._text_item.boundingRect().size()
dim_max = max(size.width(), size.height())
rect_w = self.rect().width()
self._text_item.setScale(rect_w / dim_max)
self._text_item.setPos(self.sceneBoundingRect().center() -
self._text_item.sceneBoundingRect().center())
self.show()
def mark_execution_wating(self):
self._execution_state = "waiting for dependencies"
self._repaint(self._CLOCK, QColor("orange"))
def mark_execution_started(self):
self._execution_state = "in progress"
self._repaint(self._CHECK, QColor("orange"))
def mark_execution_finished(self, success, skipped):
if success:
self._execution_state = "skipped" if skipped else "completed"
colorname = "orange" if skipped else "green"
self._repaint(self._CHECK, QColor(colorname))
else:
self._execution_state = "failed"
self._repaint(self._CROSS, QColor("red"))
def hoverEnterEvent(self, event):
tip = f"<p><b>Execution {self._execution_state}</b>. Select this item to see Console and Log messages.</p>"
QToolTip.showText(event.screenPos(), tip)
def hoverLeaveEvent(self, event):
QToolTip.hideText()