def addWidget(self, widgetInfo, x= -1, y=-1, caption = "", widgetSettings = {}, extra=None):
qApp.setOverrideCursor(Qt.WaitCursor)
newwidget = orngCanvasItems.CanvasWidget(self.canvas, self.canvasView, widgetInfo, self.canvasDlg.defaultPic, self.canvasDlg, widgetSettings, extra)
if x==-1 or y==-1:
if self.widgets != []:
x = self.widgets[-1].x() + 110
y = self.widgets[-1].y()
else:
x = 30
y = 150
newwidget.setCoords(x, y)
# move the widget to a valid position if necessary
invalidPosition = (self.canvasView.findItemTypeCount(self.canvas.collidingItems(newwidget), orngCanvasItems.CanvasWidget) > 0)
if invalidPosition:
for r in range(20, 200, 20):
for fi in [90, -90, 180, 0, 45, -45, 135, -135]:
xOff = r * math.cos(math.radians(fi))
yOff = r * math.sin(math.radians(fi))
rect = QRectF(x+xOff, y+yOff, 48, 48)
invalidPosition = self.canvasView.findItemTypeCount(self.canvas.items(rect), orngCanvasItems.CanvasWidget) > 0
if not invalidPosition:
newwidget.setCoords(x+xOff, y+yOff)
break
if not invalidPosition:
break
if caption == "":
caption = newwidget.caption
if self.getWidgetByCaption(caption):
i = 2
while self.getWidgetByCaption(caption + " (" + str(i) + ")"):
i+=1
caption = caption + " (" + str(i) + ")"
newwidget.updateText(caption)
newwidget.instance.setWindowTitle(caption)
self.widgets.append(newwidget)
self.canvas.update()
try:
newwidget.show()
newwidget.updateTooltip()
newwidget.setProcessing(1)
if self.canvasDlg.settings["saveWidgetsPosition"]:
newwidget.instance.restoreWidgetPosition()
newwidget.setProcessing(0)
orngHistory.logAddWidget(self.schemaID, id(newwidget), (newwidget.widgetInfo.category, newwidget.widgetInfo.name), newwidget.x(), newwidget.y())
except:
type, val, traceback = sys.exc_info()
sys.excepthook(type, val, traceback) # we pretend that we handled the exception, so that it doesn't crash canvas
qApp.restoreOverrideCursor()
#self.update_guide()
return newwidget
def addWidget(self,
widgetInfo,
x=-1,
y=-1,
caption="",
widgetSettings={},
extra=None):
qApp.setOverrideCursor(Qt.WaitCursor)
newwidget = orngCanvasItems.CanvasWidget(self.canvas, self.canvasView,
widgetInfo,
self.canvasDlg.defaultPic,
self.canvasDlg,
widgetSettings, extra)
if x == -1 or y == -1:
if self.widgets != []:
x = self.widgets[-1].x() + 110
y = self.widgets[-1].y()
else:
x = 30
y = 150
newwidget.setCoords(x, y)
# move the widget to a valid position if necessary
invalidPosition = (self.canvasView.findItemTypeCount(
self.canvas.collidingItems(newwidget),
orngCanvasItems.CanvasWidget) > 0)
if invalidPosition:
for r in range(20, 200, 20):
for fi in [90, -90, 180, 0, 45, -45, 135, -135]:
xOff = r * math.cos(math.radians(fi))
yOff = r * math.sin(math.radians(fi))
rect = QRectF(x + xOff, y + yOff, 48, 48)
invalidPosition = self.canvasView.findItemTypeCount(
self.canvas.items(rect),
orngCanvasItems.CanvasWidget) > 0
if not invalidPosition:
newwidget.setCoords(x + xOff, y + yOff)
break
if not invalidPosition:
break
if caption == "":
caption = newwidget.caption
if self.getWidgetByCaption(caption):
i = 2
while self.getWidgetByCaption(caption + " (" + str(i) + ")"):
i += 1
caption = caption + " (" + str(i) + ")"
newwidget.updateText(caption)
newwidget.instance.setWindowTitle(caption)
self.widgets.append(newwidget)
self.canvas.update()
try:
newwidget.show()
newwidget.updateTooltip()
newwidget.setProcessing(1)
if self.canvasDlg.settings["saveWidgetsPosition"]:
newwidget.instance.restoreWidgetPosition()
newwidget.setProcessing(0)
orngHistory.logAddWidget(
self.schemaID, id(newwidget),
(newwidget.widgetInfo.category, newwidget.widgetInfo.name),
newwidget.x(), newwidget.y())
except:
type, val, traceback = sys.exc_info()
sys.excepthook(
type, val, traceback
) # we pretend that we handled the exception, so that it doesn't crash canvas
qApp.restoreOverrideCursor()
#self.update_guide()
return newwidget