code cleanup
This commit is contained in:
Luke Campagnola
parent
fedecc5808
commit
698f37bd10
@ -166,6 +166,8 @@ class Flowchart(Node):
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n[oldName].rename(newName)
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def createNode(self, nodeType, name=None, pos=None):
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"""Create a new Node and add it to this flowchart.
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"""
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if name is None:
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n = 0
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while True:
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@ -179,6 +181,10 @@ class Flowchart(Node):
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return node
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def addNode(self, node, name, pos=None):
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"""Add an existing Node to this flowchart.
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See also: createNode()
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"""
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if pos is None:
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pos = [0, 0]
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if type(pos) in [QtCore.QPoint, QtCore.QPointF]:
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@ -197,6 +203,8 @@ class Flowchart(Node):
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self.sigChartChanged.emit(self, 'add', node)
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def removeNode(self, node):
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"""Remove a Node from this flowchart.
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"""
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node.close()
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def nodeClosed(self, node):
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@ -234,7 +242,6 @@ class Flowchart(Node):
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term2 = self.internalTerminal(term2)
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term1.connectTo(term2)
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def process(self, **args):
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"""
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Process data through the flowchart, returning the output.
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@ -326,7 +333,6 @@ class Flowchart(Node):
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#print "DEPS:", deps
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## determine correct node-processing order
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#deps[self] = []
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order = fn.toposort(deps)
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#print "ORDER1:", order
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@ -350,7 +356,6 @@ class Flowchart(Node):
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if lastNode is None or ind > lastInd:
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lastNode = n
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lastInd = ind
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#tdeps[t] = lastNode
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if lastInd is not None:
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dels.append((lastInd+1, t))
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dels.sort(key=lambda a: a[0], reverse=True)
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@ -406,26 +411,24 @@ class Flowchart(Node):
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else:
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self.sigStateChanged.emit()
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def chartGraphicsItem(self):
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"""Return the graphicsItem which displays the internals of this flowchart.
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(graphicsItem() still returns the external-view item)"""
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#return self._chartGraphicsItem
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"""Return the graphicsItem that displays the internal nodes and
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connections of this flowchart.
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Note that the similar method `graphicsItem()` is inherited from Node
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and returns the *external* graphical representation of this flowchart."""
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return self.viewBox
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def widget(self):
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"""Return the control widget for this flowchart.
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This widget provides GUI access to the parameters for each node and a
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graphical representation of the flowchart.
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"""
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if self._widget is None:
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self._widget = FlowchartCtrlWidget(self)
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self.scene = self._widget.scene()
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self.viewBox = self._widget.viewBox()
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#self._scene = QtGui.QGraphicsScene()
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#self._widget.setScene(self._scene)
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#self.scene.addItem(self.chartGraphicsItem())
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#ci = self.chartGraphicsItem()
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#self.viewBox.addItem(ci)
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#self.viewBox.autoRange()
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return self._widget
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def listConnections(self):
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@ -438,10 +441,11 @@ class Flowchart(Node):
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return conn
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def saveState(self):
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"""Return a serializable data structure representing the current state of this flowchart.
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"""
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state = Node.saveState(self)
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state['nodes'] = []
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state['connects'] = []
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#state['terminals'] = self.saveTerminals()
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for name, node in self._nodes.items():
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cls = type(node)
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@ -461,6 +465,8 @@ class Flowchart(Node):
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return state
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def restoreState(self, state, clear=False):
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"""Restore the state of this flowchart from a previous call to `saveState()`.
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"""
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self.blockSignals(True)
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try:
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if clear:
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@ -470,7 +476,6 @@ class Flowchart(Node):
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nodes.sort(key=lambda a: a['pos'][0])
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for n in nodes:
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if n['name'] in self._nodes:
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#self._nodes[n['name']].graphicsItem().moveBy(*n['pos'])
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self._nodes[n['name']].restoreState(n['state'])
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continue
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try:
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@ -478,7 +483,6 @@ class Flowchart(Node):
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node.restoreState(n['state'])
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except:
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printExc("Error creating node %s: (continuing anyway)" % n['name'])
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#node.graphicsItem().moveBy(*n['pos'])
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self.inputNode.restoreState(state.get('inputNode', {}))
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self.outputNode.restoreState(state.get('outputNode', {}))
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@ -492,55 +496,52 @@ class Flowchart(Node):
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print(self._nodes[n2].terminals)
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printExc("Error connecting terminals %s.%s - %s.%s:" % (n1, t1, n2, t2))
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finally:
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self.blockSignals(False)
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self.sigChartLoaded.emit()
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self.outputChanged()
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self.sigStateChanged.emit()
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#self.sigOutputChanged.emit()
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def loadFile(self, fileName=None, startDir=None):
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"""Load a flowchart (*.fc) file.
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"""
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if fileName is None:
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if startDir is None:
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startDir = self.filePath
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if startDir is None:
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startDir = '.'
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self.fileDialog = FileDialog(None, "Load Flowchart..", startDir, "Flowchart (*.fc)")
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#self.fileDialog.setFileMode(QtGui.QFileDialog.AnyFile)
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#self.fileDialog.setAcceptMode(QtGui.QFileDialog.AcceptSave)
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self.fileDialog.show()
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self.fileDialog.fileSelected.connect(self.loadFile)
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return
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## NOTE: was previously using a real widget for the file dialog's parent, but this caused weird mouse event bugs..
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#fileName = QtGui.QFileDialog.getOpenFileName(None, "Load Flowchart..", startDir, "Flowchart (*.fc)")
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fileName = unicode(fileName)
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state = configfile.readConfigFile(fileName)
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self.restoreState(state, clear=True)
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self.viewBox.autoRange()
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#self.emit(QtCore.SIGNAL('fileLoaded'), fileName)
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self.sigFileLoaded.emit(fileName)
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def saveFile(self, fileName=None, startDir=None, suggestedFileName='flowchart.fc'):
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"""Save this flowchart to a .fc file
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"""
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if fileName is None:
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if startDir is None:
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startDir = self.filePath
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if startDir is None:
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startDir = '.'
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self.fileDialog = FileDialog(None, "Save Flowchart..", startDir, "Flowchart (*.fc)")
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#self.fileDialog.setFileMode(QtGui.QFileDialog.AnyFile)
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self.fileDialog.setAcceptMode(QtGui.QFileDialog.AcceptSave)
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#self.fileDialog.setDirectory(startDir)
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self.fileDialog.show()
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self.fileDialog.fileSelected.connect(self.saveFile)
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return
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#fileName = QtGui.QFileDialog.getSaveFileName(None, "Save Flowchart..", startDir, "Flowchart (*.fc)")
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fileName = unicode(fileName)
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configfile.writeConfigFile(self.saveState(), fileName)
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self.sigFileSaved.emit(fileName)
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def clear(self):
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"""Remove all nodes from this flowchart except the original input/output nodes.
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"""
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for n in list(self._nodes.values()):
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if n is self.inputNode or n is self.outputNode:
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continue
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@ -553,18 +554,15 @@ class Flowchart(Node):
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self.inputNode.clearTerminals()
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self.outputNode.clearTerminals()
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#class FlowchartGraphicsItem(QtGui.QGraphicsItem):
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class FlowchartGraphicsItem(GraphicsObject):
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def __init__(self, chart):
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#print "FlowchartGraphicsItem.__init__"
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#QtGui.QGraphicsItem.__init__(self)
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GraphicsObject.__init__(self)
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self.chart = chart ## chart is an instance of Flowchart()
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self.updateTerminals()
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def updateTerminals(self):
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#print "FlowchartGraphicsItem.updateTerminals"
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self.terminals = {}
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bounds = self.boundingRect()
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inp = self.chart.inputs()
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@ -760,6 +758,7 @@ class FlowchartCtrlWidget(QtGui.QWidget):
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item = self.items[node]
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self.ui.ctrlList.setCurrentItem(item)
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class FlowchartWidget(dockarea.DockArea):
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"""Includes the actual graphical flowchart and debugging interface"""
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def __init__(self, chart, ctrl):
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