def searchCallback(info, c, x = point.x(), y = point.y(), start = start, end = end, self = self, dialog = dialog):
import redRObjects
if c == 'w':
newWidget = redRObjects.addWidget(redRObjects.widgetRegistry()['widgets'][info.fileName], x = x, y = y) # add the correct widget to the schema
nw = redRObjects.getWidgetByIDActiveTabOnly(newWidget)
self.doc.addLine(start or nw, end or nw)
dialog.accept()
return
def activateSuggestWidget(self, action):
#print action
#print action.widgetInfo
newwidget = self.canvasDlg.schema.addWidget(action.widgetInfo)
if self.suggestButtonsList.suggestingWidget:
self.canvasDlg.schema.addLine(
self.suggestButtonsList.suggestingWidget,
redRObjects.getWidgetByIDActiveTabOnly(newwidget))
def mouseReleaseEvent(self, ev):
point = self.mapToScene(ev.pos())
if self.widgetSelectionRect:
# select widgets in rectangle
widgets = self.getItemsAtPos(self.widgetSelectionRect,
orngCanvasItems.CanvasWidget)
for widget in self.doc.widgets():
widget.setSelected(widget in widgets)
self.widgetSelectionRect.hide()
self.widgetSelectionRect = None
# if we are moving a widget
if self.bWidgetDragging:
validPos = True
for item in self.getSelectedWidgets():
items = self.scene().collidingItems(item)
validPos = validPos and (self.findItemTypeCount(
items, orngCanvasItems.CanvasWidget) == 0)
for item in self.getSelectedWidgets():
if not validPos:
item.restorePosition()
item.updateTooltip()
item.setAllLinesFinished(True)
# if we are drawing line
elif self.tempLine:
# show again the empty input/output boxes
for widget in self.doc.widgets():
widget.resetLeftRightEdges()
start = self.tempLine.startWidget or self.tempLine.widget ## marks the starting of the tempLine
end = self.tempLine.endWidget or self.tempLine.widget ## marks the ending of the tempLine
self.tempLine.hide()
self.tempLine = None
# we must check if we have really connected some output to input
if start and end and start != end:
if self.doc.signalManager.signalProcessingInProgress:
QMessageBox.information(
self, _("Red-R Canvas"),
_("Unable to connect widgets while signal processing is in progress. Please wait."
))
else:
self.doc.addLine(start, end)
else:
state = [
self.doc.widgets()[i].widgetInfo.name
for i in range(min(len(self.doc.widgets()), 5))
]
#predictedWidgets = orngHistory.predictWidgets(state, 20)
newCoords = QPoint(ev.globalPos())
self.doc.widgetPopupMenu.updateMenu()
action = self.doc.widgetPopupMenu.exec_(
newCoords -
QPoint(0, self.doc.widgetPopupMenu.categoriesYOffset))
if action and hasattr(action, "widgetInfo"):
xOff = -48 * bool(end)
newWidget = self.doc.addWidget(action.widgetInfo,
point.x() + xOff,
point.y() - 24)
if newWidget != None:
nw = redRObjects.getWidgetByIDActiveTabOnly(newWidget)
if self.doc.signalManager.signalProcessingInProgress:
QMessageBox.information(
self, _("Red-R Canvas"),
_("Unable to connect widgets while signal processing is in progress. Please wait."
))
else:
self.doc.addLine(start or nw, end or nw)
elif ev.button() == Qt.RightButton:
activeItem = self.scene().itemAt(point)
diff = self.mouseDownPosition - point
if not activeItem and (
diff.x()**2 + diff.y()**2
) < 25: # if no active widgets and we pressed and released mouse at approx same position
newCoords = QPoint(ev.globalPos())
self.doc.widgetPopupMenu.showAllWidgets()
state = [
self.doc.widgets()[i].widgetInfo.name
for i in range(min(len(self.doc.widgets()), 5))
]
#predictedWidgets = orngHistory.predictWidgets(state, 20)
#self.doc.widgetPopupMenu.updatePredictedWidgets(predictedWidgets, 'inputClasses')
self.doc.widgetPopupMenu.updateMenu()
height = sum([
self.doc.widgetPopupMenu.actionGeometry(action).height()
for action in self.doc.widgetPopupMenu.actions()
])
action = self.doc.widgetPopupMenu.exec_(
newCoords -
QPoint(0, self.doc.widgetPopupMenu.categoriesYOffset))
if action and hasattr(action, "widgetInfo"):
newWidget = self.doc.addWidget(action.widgetInfo,
point.x(), point.y())
self.scene().update()
self.bWidgetDragging = False
self.doc.canvasDlg.widgetPopup.setEnabled(
len(self.getSelectedWidgets()) == 1)
def activateSuggestWidget(self, action):
#print action
#print action.widgetInfo
newwidget = self.canvasDlg.schema.addWidget(action.widgetInfo)
if self.suggestButtonsList.suggestingWidget:
self.canvasDlg.schema.addLine(self.suggestButtonsList.suggestingWidget, redRObjects.getWidgetByIDActiveTabOnly(newwidget))
def itemClicked(self, item, column):
"""Adds the widget to the schema. If shift is heald and only one widget is selected on the canvas then the new widget is connected to the selected widget."""
if isinstance(item, WidgetTreeFolder):
return
if hasattr(self, 'busy'): return
self.busy = 1
newwidget = redRObjects.addWidget(item.widgetInfo)
if (self.mouseRightClick or self.shiftPressed):
if len(redRObjects.activeTab().getSelectedWidgets()) == 1:
redRObjects.schemaDlg.addLine(redRObjects.activeTab().getSelectedWidgets()[0], redRObjects.getWidgetByIDActiveTabOnly(newwidget))
delattr(self, 'busy')
