gui.CItems.LinkItem Class Reference

Inheritance diagram for gui.CItems.LinkItem:

Public Member Functions
def	__init__ (self, fromPort, toPort, canvas)
def	deletePoint (self, point, pos)
def	clearPoints (self)
def	splitline (self, line, pos)
def	splitLine (self, line, x, y)
def	setFromPoint (self, x, y)
def	setToPoint (self, x, y)
def	moveBy (self, dx, dy)
def	popup (self, canvasView)
def	delete (self)
def	tooltip (self, view, pos)
def	selected (self)

Public Attributes
	fromPort
	toPort
	canvas
	item
	lines
	points

Detailed Description

Definition at line 175 of file CItems.py.

Constructor & Destructor Documentation

__init__()

def gui.CItems.LinkItem.__init__	(		self,
			fromPort,
			toPort,
			canvas
	)

Definition at line 176 of file CItems.py.

  def __init__(self,fromPort, toPort,canvas):
    self.fromPort=fromPort
    self.toPort=toPort
    self.canvas=canvas
    self.item=None
    fromPort.addOutLink(self)
    toPort.addInLink(self)
    self.lines=[]
    self.points=[]
    self.lines.append(LineItem(self,fromPort, toPort,canvas))
 

Member Function Documentation

clearPoints()

def gui.CItems.LinkItem.clearPoints

(

self

)

Definition at line 203 of file CItems.py.

  def clearPoints(self):
    #make a copy as deletePoint modify self.points
    for point in self.points[:]:
      self.deletePoint(point,0)
 

References gui.CItems.LinkItem.deletePoint(), and gui.CItems.LinkItem.points.

delete()

def gui.CItems.LinkItem.delete

(

self

)

Definition at line 248 of file CItems.py.

  def delete(self):
    print("delete link")
 

Referenced by gui.GraphViewer.LinkItem.popup().

deletePoint()

def gui.CItems.LinkItem.deletePoint	(		self,
			point,
			pos
	)

Delete intermediate point

Definition at line 187 of file CItems.py.

  def deletePoint(self,point,pos):
    """Delete intermediate point"""
    if point not in self.points:
      return
    self.points.remove(point)
    inline=point.inline
    outline=point.outline
    inline.toPoint=outline.toPoint
    inline.setToPoint(outline.toPoint.x(),outline.toPoint.y())
    self.lines.remove(outline)
    if inline.toPoint in self.points:
      inline.toPoint.setInline(inline)
    #remove from canvas
    point.clear()
    outline.clear()
 

References gui.CItems.LinkItem.lines, and gui.CItems.LinkItem.points.

Referenced by gui.CItems.LinkItem.clearPoints().

moveBy()

def gui.CItems.LinkItem.moveBy	(		self,
			dx,
			dy
	)

Definition at line 237 of file CItems.py.

  def moveBy(self,dx,dy):
    pass
 

popup()

def gui.CItems.LinkItem.popup	(		self,
			canvasView
	)

Definition at line 240 of file CItems.py.

  def popup(self,canvasView):
    menu=QPopupMenu()
    caption = QLabel( "<font color=darkblue><u><b>Link Menu</b></u></font>",menu )
    caption.setAlignment( Qt.AlignCenter )
    menu.insertItem( caption )
    menu.insertItem("Delete", self.delete)
    return menu
 

Referenced by gui.GraphViewer.GraphViewer.contentsMousePressEvent().

selected()

def gui.CItems.LinkItem.selected

(

self

)

The canvas item has been selected

Definition at line 256 of file CItems.py.

  def selected(self):
    """The canvas item has been selected"""
 

Referenced by gui.browser_catalog.Browser.handleBut1(), and gui.GraphViewer.GraphViewer.selectItem().

setFromPoint()

def gui.CItems.LinkItem.setFromPoint	(		self,
			x,
			y
	)

Definition at line 229 of file CItems.py.

  def setFromPoint(self,x,y):
    first=self.lines[0]
    first.setFromPoint(x,y)
 

References gui.CItems.LinkItem.lines.

setToPoint()

def gui.CItems.LinkItem.setToPoint	(		self,
			x,
			y
	)

Definition at line 233 of file CItems.py.

  def setToPoint(self,x,y):
    last=self.lines[-1]
    last.setToPoint(x,y)
 

References gui.CItems.LinkItem.lines.

splitline()

def gui.CItems.LinkItem.splitline	(		self,
			line,
			pos
	)

Definition at line 208 of file CItems.py.

  def splitline(self,line,pos):
    self.splitLine(line,pos.x(),pos.y())
 

References gui.CItems.LinkItem.splitLine().

splitLine()

def gui.CItems.LinkItem.splitLine	(		self,
			line,
			x,
			y
	)

Split line at position x,y

Definition at line 211 of file CItems.py.

  def splitLine(self,line,x,y):
    """Split line at position x,y"""
    #The new point
    point=PointItem(self,x,y,self.canvas)
    self.points.append(point)
    i=self.lines.index(line)
 
    newline=LineItem(self,point,line.toPoint,self.canvas)
    if line.toPoint in self.points:
      #line not connected to port : reconnect newline
      line.toPoint.setInline(newline)
    self.lines.insert(i+1,newline)
 
    line.setToPoint(x,y)
    line.toPoint=point
    point.setInline(line)
    point.setOutline(newline)
 

References gui.CItems.LinkItem.canvas, gui.graph.Graph.canvas, gui.CItems.LinkItem.lines, and gui.CItems.LinkItem.points.

Referenced by gui.CItems.LinkItem.splitline().

tooltip()

def gui.CItems.LinkItem.tooltip	(		self,
			view,
			pos
	)

Reimplemented in gui.CItems.ControlLinkItem.

Definition at line 251 of file CItems.py.

  def tooltip(self,view,pos):
    r = QRect(pos.x(), pos.y(), pos.x()+10, pos.y()+10)
    s = QString( "link: "+self.fromPort.port.getNode().getName() +":"+self.fromPort.port.getName()+"->"+self.toPort.port.getNode().getName()+":"+self.toPort.port.getName()  )
    view.tip( r, s )
 

References gui.CItems.LinkItem.fromPort, and gui.CItems.LinkItem.toPort.

Member Data Documentation

canvas

gui.CItems.LinkItem.canvas

Definition at line 179 of file CItems.py.

Referenced by gui.graph.Graph.addItem(), gui.graph.Graph.addLink(), gui.GraphViewer.GraphViewer.clear(), gui.graph.Graph.clearLinks(), gui.GraphViewer.GraphViewer.contentsMouseDoubleClickEvent(), gui.GraphViewer.GraphViewer.contentsMouseMoveEvent(), gui.GraphViewer.GraphViewer.contentsMousePressEvent(), gui.graph.Graph.layout(), gui.CItems.InControlItem.link(), gui.CItems.OutControlItem.link(), gui.CItems.InPortItem.link(), gui.CItems.OutPortItem.link(), gui.GraphViewer.InPortItem.link(), gui.GraphViewer.OutPortItem.link(), gui.graph.Graph.orthoLinks(), gui.CItems.Cell.pynotify(), gui.GraphViewer.GraphViewer.selectItem(), and gui.CItems.LinkItem.splitLine().

fromPort

gui.CItems.LinkItem.fromPort

Definition at line 177 of file CItems.py.

Referenced by gui.CItems.LinkItem.tooltip(), and gui.CItems.ControlLinkItem.tooltip().

item

gui.CItems.LinkItem.item

Definition at line 180 of file CItems.py.

Referenced by gui.Items.ControlLinksItem.getChildren(), gui.Items.DataLinksItem.getChildren(), gui.panels.PanelScript.handleCancel(), gui.panels.PanelFunc.handleCancel(), gui.panels.PanelInPort.handleRestore(), gui.panels.PanelOutPort.handleRestore(), gui.panels.PanelScript.handleSave(), gui.panels.PanelFunc.handleSave(), gui.panels.PanelInPort.handleSave(), gui.Tree.Node.setOpen(), and gui.Tree.Node.setOpen_old().

lines

gui.CItems.LinkItem.lines

Definition at line 183 of file CItems.py.

Referenced by gui.CItems.LinkItem.deletePoint(), gui.CItems.LinkItem.setFromPoint(), gui.CItems.LinkItem.setToPoint(), and gui.CItems.LinkItem.splitLine().

points

gui.CItems.LinkItem.points

Definition at line 184 of file CItems.py.

Referenced by gui.CItems.LinkItem.clearPoints(), gui.CItems.LinkItem.deletePoint(), and gui.CItems.LinkItem.splitLine().

toPort

gui.CItems.LinkItem.toPort

Definition at line 178 of file CItems.py.

Referenced by gui.CItems.LinkItem.tooltip(), and gui.CItems.ControlLinkItem.tooltip().

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The documentation for this class was generated from the following file:

• src/pyqt/gui/CItems.py