import java

import javax.swing

import com

 

class pathslider(com.hp.hpl.guess.ui.DockableAdapter):

   execfile("simpleDiameter.py")
   
   pathfinder = diameter()

   testSlider = JSlider()  # keep the label and slider

   hideButton = JButton("Hide Disconnected Nodes")

   label = JLabel("Path Length (0)   ")
 
   showButton = JButton("Show All Nodes")
   
   

   def __init__(self):
	
      	 	 
		
         # set up the slider limits

         self.testSlider.setMinimum(0)
         print(self.pathfinder.getDiameter())

         self.testSlider.setMaximum(self.pathfinder.getDiameter())



         # set up the slider visual properties

         self.testSlider.setMajorTickSpacing(1)

         self.testSlider.setMinorTickSpacing(0)

         self.testSlider.setPaintTicks(true)

         self.testSlider.setPaintLabels(true)     

         self.testSlider.setValue(longest.min)  # default value

 

         # every time the mouse is released call the "sc" method    

         self.testSlider.mouseReleased = self.sc

 

         # add the label, buttons and slider to the UI

	 self.add(self.hideButton)

  	 self.add(self.showButton)

         self.add(self.label)

         self.add(self.testSlider)

 

         # dock the new panel into the UI

         ui.dock(self)

	 # Actions for button clicks

 	 self.hideButton.actionPerformed = self.hideDisconnectedNodes

	 self.showButton.actionPerformed = self.showAll
	
	 

         # call the event function once so that the

         # display matches the slider value

         self.sc(None)

 

   def getTitle(self):

         return("Path Slider")


   
   # redisplay nodes and appropriate edges	
   def showAll(self, evt):

	val = self.testSlider.getValue()
        # show all the nodes
	g.nodes.visible = 1
  	g.edges.visible = 0	
	paths = self.pathfinder.getPaths(val)

     	for path in paths:
		path.visible = 1
				

		
   def sc(self,evt):

         # get the value

         val = self.testSlider.getValue()

 
 
         # show all the nodes

         g.nodes.visible = 1

  	 g.edges.visible = 0
	 
	 paths = self.pathfinder.getPaths(val)
     	 for path in paths:
		path.visible = 1
 

         # set the label text

         self.label.setText("Path Length ("+str(val)+")")

			

   def hideDisconnectedNodes(self, evt):

         # keep a list of nodes to hide, java doesn’t

         # like us to modify objects as we iterate over them

         toHide = []

 

         for nod in g.nodes:  # for all nodes

               vis = 0      # default to invisble

 

               # for all edges connected to this node

               # if there is any visible edge

               # keep this node visible

               for ed in nod.getOutEdges():

                     if (ed.visible == 1):

                           vis = 1

                           break

 

               if (vis == 0):  # should we hide the node?

                     toHide += [nod]

 

         # hide all the nodes we put in our list

         toHide.visible = 0