class NodeDialog(tk.Toplevel):
def __init__(self, main_window, msg='Please enter a node:'):
tk.Toplevel.__init__(self)
self.main_window = main_window
self.title('Node Entry')
self.geometry('170x160')
self.rowconfigure(3, weight=1)
tk.Label(self, text=msg).grid(row=0, column=0, columnspan=2,
sticky='NESW',padx=5,pady=5)
self.posibilities = [d['dataG_id'] for n,d in
main_window.canvas.dispG.nodes_iter(data=True)]
self.entry = AutocompleteEntry(self.posibilities, self)
self.entry.bind('<Return>', lambda e: self.destroy(), add='+')
self.entry.grid(row=1, column=0, columnspan=2, sticky='NESW',padx=5,pady=5)
tk.Button(self, text='Ok', command=self.destroy).grid(
row=3, column=0, sticky='ESW',padx=5,pady=5)
tk.Button(self, text='Cancel', command=self.cancel).grid(
row=3, column=1, sticky='ESW',padx=5,pady=5)
# Make modal
self.winfo_toplevel().wait_window(self)
def destroy(self):
res = self.entry.get()
if res not in self.posibilities:
res = None
self.result = res
tk.Toplevel.destroy(self)
def cancel(self):
self.entry.delete(0,tk.END)
self.destroy()
def __init__(self, main_window, msg='Please enter a node:'):
tk.Toplevel.__init__(self)
self.main_window = main_window
self.title('Node Entry')
self.geometry('170x160')
self.rowconfigure(3, weight=1)
tk.Label(self, text=msg).grid(row=0,
column=0,
columnspan=2,
sticky='NESW',
padx=5,
pady=5)
self.posibilities = [
d['dataG_id']
for n, d in main_window.canvas.dispG.nodes_iter(data=True)
]
self.entry = AutocompleteEntry(self.posibilities, self)
self.entry.bind('<Return>', lambda e: self.destroy(), add='+')
self.entry.grid(row=1,
column=0,
columnspan=2,
sticky='NESW',
padx=5,
pady=5)
tk.Button(self, text='Ok', command=self.destroy).grid(row=3,
column=0,
sticky='ESW',
padx=5,
pady=5)
tk.Button(self, text='Cancel', command=self.cancel).grid(row=3,
column=1,
sticky='ESW',
padx=5,
pady=5)
# Make modal
self.winfo_toplevel().wait_window(self)
def __init__(self, graph, **kwargs):
"""Additional keyword arguments beyond graph are passed down to the
GraphCanvas. See it's docs for details"""
tk.Tk.__init__(self)
self.geometry('1000x600')
self.title('NetworkX Viewer')
bottom_row = 10
self.columnconfigure(0, weight=1)
self.rowconfigure(bottom_row, weight=1)
self.canvas = GraphCanvas(graph, width=400, height=400, **kwargs)
self.canvas.grid(row=0,
column=0,
rowspan=bottom_row + 2,
sticky='NESW')
self.canvas.onNodeSelected = self.onNodeSelected
self.canvas.onEdgeSelected = self.onEdgeSelected
r = 0 # Current row
tk.Label(self, text='Nodes:').grid(row=r, column=1, sticky='W')
self.node_entry = AutocompleteEntry(self.canvas.dataG.nodes)
self.node_entry.bind('<Return>', self.add_node, add='+')
self.node_entry.bind('<Control-Return>',
self.buildNewShortcut,
add='+')
self.node_entry.grid(row=r,
column=2,
columnspan=2,
sticky='NESW',
pady=2)
tk.Button(self, text='+', command=self.add_node,
width=2).grid(row=r, column=4, sticky=tk.NW, padx=2, pady=2)
r += 1
nlsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.node_list = tk.Listbox(self, yscrollcommand=nlsb.set, height=5)
self.node_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.node_list.bind('<Delete>',
lambda e: self.node_list.delete(tk.ANCHOR))
nlsb.config(command=self.node_list.yview)
nlsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Label(self, text='Neighbors Levels:').grid(row=r,
column=1,
columnspan=2,
sticky=tk.NW)
self.level_entry = tk.Entry(self, width=4)
self.level_entry.insert(0, '1')
self.level_entry.grid(row=r, column=3, sticky=tk.NW, padx=5)
r += 1
tk.Button(self, text='Build New',
command=self.onBuildNew).grid(row=r, column=1)
tk.Button(self, text='Add to Existing',
command=self.onAddToExisting).grid(row=r,
column=2,
columnspan=2)
r += 1
line = tk.Canvas(self, height=15, width=200)
line.create_line(0, 13, 250, 13)
line.create_line(0, 15, 250, 15)
line.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
tk.Label(self, text='Filters:').grid(row=r, column=1, sticky=tk.W)
self.filter_entry = tk.Entry(self)
self.filter_entry.bind('<Return>', self.add_filter, add='+')
self.filter_entry.grid(row=r,
column=2,
columnspan=2,
sticky='NESW',
pady=2)
tk.Button(self, text='+', command=self.add_filter,
width=2).grid(row=r, column=4, sticky=tk.NW, padx=2, pady=2)
r += 1
flsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.filter_list = tk.Listbox(self, yscrollcommand=flsb.set, height=5)
self.filter_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.filter_list.bind('<Delete>', self.remove_filter)
flsb.config(command=self.node_list.yview)
flsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Button(self, text='Clear',
command=self.remove_filter).grid(row=r, column=1, sticky='W')
tk.Button(self, text='?', command=self.filter_help).grid(row=r,
column=4,
stick='NESW',
padx=2)
r += 1
line2 = tk.Canvas(self, height=15, width=200)
line2.create_line(0, 13, 250, 13)
line2.create_line(0, 15, 250, 15)
line2.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
self.lbl_attr = tk.Label(self,
text='Attributes',
wraplength=200,
anchor=tk.SW,
justify=tk.LEFT)
self.lbl_attr.grid(row=r, column=1, columnspan=4, sticky='NW')
r += 1
self.tbl_attr = PropertyTable(self, {})
self.tbl_attr.grid(row=r, column=1, columnspan=4, sticky='NESW')
assert r == bottom_row, "Set bottom_row to %d" % r
self._build_menu()
class ViewerApp(tk.Tk):
"""Example simple GUI to plot a NetworkX Graph"""
def __init__(self, graph, **kwargs):
"""Additional keyword arguments beyond graph are passed down to the
GraphCanvas. See it's docs for details"""
tk.Tk.__init__(self)
self.geometry('1000x600')
self.title('NetworkX Viewer')
bottom_row = 10
self.columnconfigure(0, weight=1)
self.rowconfigure(bottom_row, weight=1)
self.canvas = GraphCanvas(graph, width=400, height=400, **kwargs)
self.canvas.grid(row=0,
column=0,
rowspan=bottom_row + 2,
sticky='NESW')
self.canvas.onNodeSelected = self.onNodeSelected
self.canvas.onEdgeSelected = self.onEdgeSelected
r = 0 # Current row
tk.Label(self, text='Nodes:').grid(row=r, column=1, sticky='W')
self.node_entry = AutocompleteEntry(self.canvas.dataG.nodes)
self.node_entry.bind('<Return>', self.add_node, add='+')
self.node_entry.bind('<Control-Return>',
self.buildNewShortcut,
add='+')
self.node_entry.grid(row=r,
column=2,
columnspan=2,
sticky='NESW',
pady=2)
tk.Button(self, text='+', command=self.add_node,
width=2).grid(row=r, column=4, sticky=tk.NW, padx=2, pady=2)
r += 1
nlsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.node_list = tk.Listbox(self, yscrollcommand=nlsb.set, height=5)
self.node_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.node_list.bind('<Delete>',
lambda e: self.node_list.delete(tk.ANCHOR))
nlsb.config(command=self.node_list.yview)
nlsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Label(self, text='Neighbors Levels:').grid(row=r,
column=1,
columnspan=2,
sticky=tk.NW)
self.level_entry = tk.Entry(self, width=4)
self.level_entry.insert(0, '1')
self.level_entry.grid(row=r, column=3, sticky=tk.NW, padx=5)
r += 1
tk.Button(self, text='Build New',
command=self.onBuildNew).grid(row=r, column=1)
tk.Button(self, text='Add to Existing',
command=self.onAddToExisting).grid(row=r,
column=2,
columnspan=2)
r += 1
line = tk.Canvas(self, height=15, width=200)
line.create_line(0, 13, 250, 13)
line.create_line(0, 15, 250, 15)
line.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
tk.Label(self, text='Filters:').grid(row=r, column=1, sticky=tk.W)
self.filter_entry = tk.Entry(self)
self.filter_entry.bind('<Return>', self.add_filter, add='+')
self.filter_entry.grid(row=r,
column=2,
columnspan=2,
sticky='NESW',
pady=2)
tk.Button(self, text='+', command=self.add_filter,
width=2).grid(row=r, column=4, sticky=tk.NW, padx=2, pady=2)
r += 1
flsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.filter_list = tk.Listbox(self, yscrollcommand=flsb.set, height=5)
self.filter_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.filter_list.bind('<Delete>', self.remove_filter)
flsb.config(command=self.node_list.yview)
flsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Button(self, text='Clear',
command=self.remove_filter).grid(row=r, column=1, sticky='W')
tk.Button(self, text='?', command=self.filter_help).grid(row=r,
column=4,
stick='NESW',
padx=2)
r += 1
line2 = tk.Canvas(self, height=15, width=200)
line2.create_line(0, 13, 250, 13)
line2.create_line(0, 15, 250, 15)
line2.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
self.lbl_attr = tk.Label(self,
text='Attributes',
wraplength=200,
anchor=tk.SW,
justify=tk.LEFT)
self.lbl_attr.grid(row=r, column=1, columnspan=4, sticky='NW')
r += 1
self.tbl_attr = PropertyTable(self, {})
self.tbl_attr.grid(row=r, column=1, columnspan=4, sticky='NESW')
assert r == bottom_row, "Set bottom_row to %d" % r
self._build_menu()
def _build_menu(self):
self.menubar = tk.Menu(self)
self.config(menu=self.menubar)
view = tk.Menu(self.menubar, tearoff=0)
view.add_command(label='Undo',
command=self.canvas.undo,
accelerator="Ctrl+Z")
self.bind_all("<Control-z>",
lambda e: self.canvas.undo()) # Implement accelerator
view.add_command(label='Redo', command=self.canvas.redo)
view.add_separator()
view.add_command(label='Center on node...',
command=self.center_on_node)
view.add_separator()
view.add_command(label='Reset Node Marks',
command=self.reset_node_markings)
view.add_command(label='Reset Edge Marks',
command=self.reset_edge_markings)
view.add_command(label='Redraw Plot', command=self.canvas.replot)
view.add_separator()
view.add_command(label='Grow display one level...',
command=self.grow_all)
self.menubar.add_cascade(label='View', menu=view)
def center_on_node(self):
node = NodeDialog(self, "Name of node to center on:").result
if node is None: return
self.canvas.center_on_node(node)
def reset_edge_markings(self):
for u, v, k, d in self.canvas.dispG.edges(data=True, keys=True):
token = d['token']
if token.is_marked:
self.canvas.mark_edge(u, v, k)
def reset_node_markings(self):
for u, d in self.canvas.dispG.nodes(data=True):
token = d['token']
if token.is_marked:
self.canvas.mark_node(u)
def add_node(self, event=None):
node = self.node_entry.get()
if node.isdigit() and self.canvas.dataG.has_node(int(node)):
node = int(node)
if self.canvas.dataG.has_node(node):
self.node_list.insert(tk.END, node)
self.node_entry.delete(0, tk.END)
else:
tkm.showerror("Node not found", "Node '%s' not in graph." % node)
def add_filter(self, event=None, filter_lambda=None):
if filter_lambda is None:
filter_lambda = self.filter_entry.get()
if self.canvas.add_filter(filter_lambda):
# We successfully added the filter; add to list and clear entry
self.filter_list.insert(tk.END, filter_lambda)
self.filter_entry.delete(0, tk.END)
def filter_help(self, event=None):
msg = ("Enter a lambda function which returns True if you wish\n"
"to show nodes with ONLY a given property.\n"
"Parameters are:\n"
" - u, the node's name, and \n"
" - d, the data dictionary.\n\n"
"Example: \n"
" d.get('color',None)=='red'\n"
"would show only red nodes.\n"
"Example 2:\n"
" str(u).is_digit()\n"
"would show only nodes which have a numerical name.\n\n"
"Multiple filters are ANDed together.")
tkm.showinfo("Filter Condition", msg)
def remove_filter(self, event=None):
all_items = self.filter_list.get(0, tk.END)
if event is None:
# When no event passed, this function was called via the "clear"
# button.
items = all_items
else:
# Remove currently selected item
items = (self.filter_list.get(tk.ANCHOR), )
for item in items:
self.canvas.remove_filter(item)
idx = all_items.index(item)
self.filter_list.delete(idx)
all_items = self.filter_list.get(0, tk.END)
def grow_all(self):
"""Grow all visible nodes one level"""
for u, d in self.canvas.dispG.copy().nodes.items():
if not d['token'].is_complete:
self.canvas.grow_node(u)
def get_node_list(self):
"""Get nodes in the node list and clear"""
# See if we forgot to hit the plus sign
if len(self.node_entry.get()) != 0:
self.add_node()
nodes = self.node_list.get(0, tk.END)
self.node_list.delete(0, tk.END)
return nodes
def onBuildNew(self):
nodes = self.get_node_list()
if len(nodes) == 2:
self.canvas.plot_path(nodes[0], nodes[1], levels=self.level)
else:
self.canvas.plot(nodes, levels=self.level)
def onAddToExisting(self):
"""Add nodes to existing plot. Prompt to include link to existing
if possible"""
home_nodes = set(self.get_node_list())
self.canvas.plot_additional(home_nodes, levels=self.level)
def buildNewShortcut(self, event=None):
# Add node intelligently then doe a build new
self.node_entry.event_generate('<Return>') # Resolve current
self.onBuildNew()
def goto_path(self, event):
frm = self.node_entry.get()
to = self.node_entry2.get()
self.node_entry.delete(0, tk.END)
self.node_entry2.delete(0, tk.END)
if frm == '':
tkm.showerror(
"No From Node", "Please enter a node in both "
"boxes to plot a path. Enter a node in only the first box "
"to bring up nodes immediately adjacent.")
return
if frm.isdigit() and int(frm) in self.canvas.dataG.nodes():
frm = int(frm)
if to.isdigit() and int(to) in self.canvas.dataG.nodes():
to = int(to)
self.canvas.plot_path(frm, to, levels=self.level)
def onNodeSelected(self, node_name, node_dict):
self.tbl_attr.build(node_dict)
self.lbl_attr.config(text="Attributes of node '%s'" % node_name)
def onEdgeSelected(self, edge_name, edge_dict):
self.tbl_attr.build(edge_dict)
self.lbl_attr.config(text="Attributes of edge between '%s' and '%s'" %
edge_name[:2])
@property
def level(self):
try:
l = int(self.level_entry.get())
except ValueError:
tkm.showerror(
"Invalid Level", "Please specify a level between "
"greater than or equal to 0")
raise
return l
def __init__(self, graph, **kwargs):
"""Additional keyword arguments beyond graph are passed down to the
GraphCanvas. See it's docs for details"""
tk.Tk.__init__(self)
self.geometry('1000x600')
self.title('Bridges Viewer')
bottom_row = 10
self.columnconfigure(0, weight=1)
self.rowconfigure(bottom_row, weight=1)
self.canvas = GraphCanvas(graph, width=400, height=400, **kwargs)
self.canvas.grid(row=0, column=0, rowspan=bottom_row+2, sticky='NESW')
self.canvas.onNodeSelected = self.onNodeSelected
self.canvas.onEdgeSelected = self.onEdgeSelected
r = 0 # Current row
tk.Label(self, text='Nodes:').grid(row=r, column=1, sticky='W')
self.node_entry = AutocompleteEntry(self.canvas.dataG.nodes)
self.node_entry.bind('<Return>',self.add_node, add='+')
self.node_entry.bind('<Control-Return>', self.buildNewShortcut, add='+')
self.node_entry.grid(row=r, column=2, columnspan=2, sticky='NESW', pady=2)
tk.Button(self, text='+', command=self.add_node, width=2).grid(
row=r, column=4,sticky=tk.NW,padx=2,pady=2)
r += 1
nlsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.node_list = tk.Listbox(self, yscrollcommand=nlsb.set, height=5)
self.node_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.node_list.bind('<Delete>',lambda e: self.node_list.delete(tk.ANCHOR))
nlsb.config(command=self.node_list.yview)
nlsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Label(self, text='Neighbors Levels:').grid(row=r, column=1,
columnspan=2, sticky=tk.NW)
self.level_entry = tk.Entry(self, width=4)
self.level_entry.insert(0,'1')
self.level_entry.grid(row=r, column=3, sticky=tk.NW, padx=5)
r += 1
tk.Button(self, text='Build New', command=self.onBuildNew).grid(
row=r, column=1)
tk.Button(self, text='Add to Existing', command=self.onAddToExisting
).grid(row=r, column=2, columnspan=2)
r += 1
line = tk.Canvas(self, height=15, width=200)
line.create_line(0,13,250,13)
line.create_line(0,15,250,15)
line.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
tk.Label(self, text='Filters:').grid(row=r, column=1, sticky=tk.W)
self.filter_entry = tk.Entry(self)
self.filter_entry.bind('<Return>',self.add_filter, add='+')
self.filter_entry.grid(row=r, column=2, columnspan=2, sticky='NESW', pady=2)
tk.Button(self, text='+', command=self.add_filter, width=2).grid(
row=r, column=4,sticky=tk.NW,padx=2,pady=2)
r += 1
flsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.filter_list = tk.Listbox(self, yscrollcommand=flsb.set, height=5)
self.filter_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.filter_list.bind('<Delete>',self.remove_filter)
flsb.config(command=self.node_list.yview)
flsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Button(self, text='Clear',command=self.remove_filter).grid(
row=r, column=1, sticky='W')
tk.Button(self, text='?', command=self.filter_help
).grid(row=r, column=4, stick='NESW', padx=2)
r += 1
line2 = tk.Canvas(self, height=15, width=200)
line2.create_line(0,13,250,13)
line2.create_line(0,15,250,15)
line2.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
self.lbl_attr = tk.Label(self, text='Attributes',
wraplength=200, anchor=tk.SW, justify=tk.LEFT)
self.lbl_attr.grid(row=r, column=1, columnspan=4, sticky='NW')
r += 1
self.tbl_attr = PropertyTable(self, {})
self.tbl_attr.grid(row=r, column=1, columnspan=4, sticky='NESW')
assert r == bottom_row, "Set bottom_row to %d" % r
self._build_menu()
class ViewerApp(tk.Tk):
"""Example simple GUI to plot a NetworkX Graph"""
def __init__(self, graph, **kwargs):
"""Additional keyword arguments beyond graph are passed down to the
GraphCanvas. See it's docs for details"""
tk.Tk.__init__(self)
self.geometry('1000x600')
self.title('Bridges Viewer')
bottom_row = 10
self.columnconfigure(0, weight=1)
self.rowconfigure(bottom_row, weight=1)
self.canvas = GraphCanvas(graph, width=400, height=400, **kwargs)
self.canvas.grid(row=0, column=0, rowspan=bottom_row+2, sticky='NESW')
self.canvas.onNodeSelected = self.onNodeSelected
self.canvas.onEdgeSelected = self.onEdgeSelected
r = 0 # Current row
tk.Label(self, text='Nodes:').grid(row=r, column=1, sticky='W')
self.node_entry = AutocompleteEntry(self.canvas.dataG.nodes)
self.node_entry.bind('<Return>',self.add_node, add='+')
self.node_entry.bind('<Control-Return>', self.buildNewShortcut, add='+')
self.node_entry.grid(row=r, column=2, columnspan=2, sticky='NESW', pady=2)
tk.Button(self, text='+', command=self.add_node, width=2).grid(
row=r, column=4,sticky=tk.NW,padx=2,pady=2)
r += 1
nlsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.node_list = tk.Listbox(self, yscrollcommand=nlsb.set, height=5)
self.node_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.node_list.bind('<Delete>',lambda e: self.node_list.delete(tk.ANCHOR))
nlsb.config(command=self.node_list.yview)
nlsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Label(self, text='Neighbors Levels:').grid(row=r, column=1,
columnspan=2, sticky=tk.NW)
self.level_entry = tk.Entry(self, width=4)
self.level_entry.insert(0,'1')
self.level_entry.grid(row=r, column=3, sticky=tk.NW, padx=5)
r += 1
tk.Button(self, text='Build New', command=self.onBuildNew).grid(
row=r, column=1)
tk.Button(self, text='Add to Existing', command=self.onAddToExisting
).grid(row=r, column=2, columnspan=2)
r += 1
line = tk.Canvas(self, height=15, width=200)
line.create_line(0,13,250,13)
line.create_line(0,15,250,15)
line.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
tk.Label(self, text='Filters:').grid(row=r, column=1, sticky=tk.W)
self.filter_entry = tk.Entry(self)
self.filter_entry.bind('<Return>',self.add_filter, add='+')
self.filter_entry.grid(row=r, column=2, columnspan=2, sticky='NESW', pady=2)
tk.Button(self, text='+', command=self.add_filter, width=2).grid(
row=r, column=4,sticky=tk.NW,padx=2,pady=2)
r += 1
flsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.filter_list = tk.Listbox(self, yscrollcommand=flsb.set, height=5)
self.filter_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.filter_list.bind('<Delete>',self.remove_filter)
flsb.config(command=self.node_list.yview)
flsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Button(self, text='Clear',command=self.remove_filter).grid(
row=r, column=1, sticky='W')
tk.Button(self, text='?', command=self.filter_help
).grid(row=r, column=4, stick='NESW', padx=2)
r += 1
line2 = tk.Canvas(self, height=15, width=200)
line2.create_line(0,13,250,13)
line2.create_line(0,15,250,15)
line2.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
self.lbl_attr = tk.Label(self, text='Attributes',
wraplength=200, anchor=tk.SW, justify=tk.LEFT)
self.lbl_attr.grid(row=r, column=1, columnspan=4, sticky='NW')
r += 1
self.tbl_attr = PropertyTable(self, {})
self.tbl_attr.grid(row=r, column=1, columnspan=4, sticky='NESW')
assert r == bottom_row, "Set bottom_row to %d" % r
self._build_menu()
def _build_menu(self):
self.menubar = tk.Menu(self)
self.config(menu=self.menubar)
view = tk.Menu(self.menubar, tearoff=0)
view.add_command(label='Undo', command=self.canvas.undo, accelerator="Ctrl+Z")
self.bind_all("<Control-z>", lambda e: self.canvas.undo()) # Implement accelerator
view.add_command(label='Redo', command=self.canvas.redo)
view.add_separator()
view.add_command(label='Center on node...', command=self.center_on_node)
view.add_separator()
view.add_command(label='Reset Node Marks', command=self.reset_node_markings)
view.add_command(label='Reset Edge Marks', command=self.reset_edge_markings)
view.add_command(label='Redraw Plot', command=self.canvas.replot)
view.add_separator()
view.add_command(label='Grow display one level...', command=self.grow_all)
self.menubar.add_cascade(label='View', menu=view)
def center_on_node(self):
node = NodeDialog(self, "Name of node to center on:").result
if node is None: return
self.canvas.center_on_node(node)
def reset_edge_markings(self):
for u,v,k,d in self.canvas.dispG.edges_iter(data=True, keys=True):
token = d['token']
if token.is_marked:
self.canvas.mark_edge(u,v,k)
def reset_node_markings(self):
for u,d in self.canvas.dispG.nodes_iter(data=True):
token = d['token']
if token.is_marked:
self.canvas.mark_node(u)
def add_node(self, event=None):
node = self.node_entry.get()
if node.isdigit() and self.canvas.dataG.has_node(int(node)):
node = int(node)
if self.canvas.dataG.has_node(node):
self.node_list.insert(tk.END, node)
self.node_entry.delete(0, tk.END)
else:
tkm.showerror("Node not found", "Node '%s' not in graph."%node)
def add_filter(self, event=None, filter_lambda=None):
if filter_lambda is None:
filter_lambda = self.filter_entry.get()
if self.canvas.add_filter(filter_lambda):
# We successfully added the filter; add to list and clear entry
self.filter_list.insert(tk.END, filter_lambda)
self.filter_entry.delete(0, tk.END)
def filter_help(self, event=None):
msg = ("Enter a lambda function which returns True if you wish\n"
"to show nodes with ONLY a given property.\n"
"Parameters are:\n"
" - u, the node's name, and \n"
" - d, the data dictionary.\n\n"
"Example: \n"
" d.get('color',None)=='red'\n"
"would show only red nodes.\n"
"Example 2:\n"
" str(u).is_digit()\n"
"would show only nodes which have a numerical name.\n\n"
"Multiple filters are ANDed together.")
tkm.showinfo("Filter Condition", msg)
def remove_filter(self, event=None):
all_items = self.filter_list.get(0, tk.END)
if event is None:
# When no event passed, this function was called via the "clear"
# button.
items = all_items
else:
# Remove currently selected item
items = (self.filter_list.get(tk.ANCHOR),)
for item in items:
self.canvas.remove_filter(item)
idx = all_items.index(item)
self.filter_list.delete(idx)
all_items = self.filter_list.get(0, tk.END)
def grow_all(self):
"""Grow all visible nodes one level"""
for u, d in self.canvas.dispG.node.copy().items():
if not d['token'].is_complete:
self.canvas.grow_node(u)
def get_node_list(self):
"""Get nodes in the node list and clear"""
# See if we forgot to hit the plus sign
if len(self.node_entry.get()) != 0:
self.add_node()
nodes = self.node_list.get(0, tk.END)
self.node_list.delete(0, tk.END)
return nodes
def onBuildNew(self):
nodes = self.get_node_list()
if len(nodes) == 2:
self.canvas.plot_path(nodes[0], nodes[1], levels=self.level)
else:
self.canvas.plot(nodes, levels=self.level)
def onAddToExisting(self):
"""Add nodes to existing plot. Prompt to include link to existing
if possible"""
home_nodes = set(self.get_node_list())
self.canvas.plot_additional(home_nodes, levels=self.level)
def buildNewShortcut(self, event=None):
# Add node intelligently then doe a build new
self.node_entry.event_generate('<Return>') # Resolve current
self.onBuildNew()
def goto_path(self, event):
frm = self.node_entry.get()
to = self.node_entry2.get()
self.node_entry.delete(0, tk.END)
self.node_entry2.delete(0, tk.END)
if frm == '':
tkm.showerror("No From Node", "Please enter a node in both "
"boxes to plot a path. Enter a node in only the first box "
"to bring up nodes immediately adjacent.")
return
if frm.isdigit() and int(frm) in self.canvas.dataG.nodes():
frm = int(frm)
if to.isdigit() and int(to) in self.canvas.dataG.nodes():
to = int(to)
self.canvas.plot_path(frm, to, levels=self.level)
def onNodeSelected(self, node_name, node_dict):
self.tbl_attr.build(node_dict)
self.lbl_attr.config(text="Attributes of node '%s'"%node_name)
def onEdgeSelected(self, edge_name, edge_dict):
self.tbl_attr.build(edge_dict)
self.lbl_attr.config(text="Attributes of edge between '%s' and '%s'"%
edge_name[:2])
@property
def level(self):
try:
l = int(self.level_entry.get())
except ValueError:
tkm.showerror("Invalid Level", "Please specify a level between "
"greater than or equal to 0")
raise
return l
class ViewerApp(tk.Tk):
"""Example simple GUI to plot a NetworkX Graph"""
def __init__(self, graph, **kwargs):
"""Additional keyword arguments beyond graph are passed down to the
GraphCanvas. See it's docs for details"""
tk.Tk.__init__(self)
self.geometry('1000x600')
self.title('NetworkX Viewer')
bottom_row = 10
self.columnconfigure(0, weight=1)
self.rowconfigure(bottom_row, weight=1)
self.canvas = GraphCanvas(graph, width=400, height=400, **kwargs)
self.canvas.grid(row=0,
column=0,
rowspan=bottom_row + 2,
sticky='NESW')
self.canvas.onNodeSelected = self.onNodeSelected
self.canvas.onEdgeSelected = self.onEdgeSelected
r = 0 # Current row
tk.Label(self, text='Nodes:').grid(row=r, column=1, sticky='W')
self.node_entry = AutocompleteEntry(self.canvas.dataG.nodes)
self.node_entry.bind('<Return>', self.add_node, add='+')
self.node_entry.grid(row=r,
column=2,
columnspan=2,
sticky='NESW',
pady=2)
tk.Button(self, text='+', command=self.add_node,
width=2).grid(row=r, column=4, sticky=tk.NW, padx=2, pady=2)
r += 1
nlsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.node_list = tk.Listbox(self, yscrollcommand=nlsb.set, height=5)
self.node_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.node_list.bind('<Delete>',
lambda e: self.node_list.delete(tk.ANCHOR))
nlsb.config(command=self.node_list.yview)
nlsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Label(self, text='Neighbors Levels:').grid(row=r,
column=1,
columnspan=2,
sticky=tk.NW)
self.level_entry = tk.Entry(self, width=4)
self.level_entry.insert(0, '1')
self.level_entry.grid(row=r, column=3, sticky=tk.NW, padx=5)
r += 1
tk.Button(self, text='Build New',
command=self.onBuildNew).grid(row=r, column=1)
tk.Button(self, text='Add to Existing',
command=self.onAddToExisting).grid(row=r,
column=2,
columnspan=2)
r += 1
line = tk.Canvas(self, height=15, width=200)
line.create_line(0, 13, 250, 13)
line.create_line(0, 15, 250, 15)
line.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
tk.Label(self, text='Filters:').grid(row=r, column=1, sticky=tk.W)
self.filter_entry = tk.Entry(self)
self.filter_entry.bind('<Return>', self.add_filter, add='+')
self.filter_entry.grid(row=r,
column=2,
columnspan=2,
sticky='NESW',
pady=2)
tk.Button(self, text='+', command=self.add_filter,
width=2).grid(row=r, column=4, sticky=tk.NW, padx=2, pady=2)
r += 1
flsb = tk.Scrollbar(self, orient=tk.VERTICAL)
self.filter_list = tk.Listbox(self, yscrollcommand=flsb.set, height=5)
self.filter_list.grid(row=r, column=1, columnspan=3, sticky='NESW')
self.filter_list.bind('<Delete>', self.remove_filter)
flsb.config(command=self.node_list.yview)
flsb.grid(row=r, column=4, sticky='NWS')
r += 1
tk.Button(self, text='Clear',
command=self.remove_filter).grid(row=r, column=1, sticky='W')
tk.Button(self, text='?', command=self.filter_help).grid(row=r,
column=4,
stick='NESW',
padx=2)
r += 1
line2 = tk.Canvas(self, height=15, width=200)
line2.create_line(0, 13, 250, 13)
line2.create_line(0, 15, 250, 15)
line2.grid(row=r, column=1, columnspan=4, sticky='NESW')
r += 1
self.lbl_attr = tk.Label(self,
text='Attributes',
wraplength=200,
anchor=tk.SW,
justify=tk.LEFT)
self.lbl_attr.grid(row=r, column=1, columnspan=4, sticky='NW')
r += 1
self.tbl_attr = PropertyTable(self, {})
self.tbl_attr.grid(row=r, column=1, columnspan=4, sticky='NESW')
assert r == bottom_row, "Set bottom_row to %d" % r
self._build_menu()
def _build_menu(self):
self.menubar = tk.Menu(self)
self.config(menu=self.menubar)
view = tk.Menu(self.menubar, tearoff=0)
view.add_command(label='Center on node...',
command=self.center_on_node)
view.add_separator()
view.add_command(label='Reset Node Marks',
command=self.reset_node_markings)
view.add_command(label='Reset Edge Marks',
command=self.reset_edge_markings)
view.add_command(label='Redraw Plot', command=self.canvas.replot)
view.add_separator()
view.add_command(label='Grow display one level...',
command=self.grow_all)
self.menubar.add_cascade(label='View', menu=view)
algorithms = tk.Menu(self.menubar, tearoff=0)
self.menubar.add_cascade(label='Algorithms', menu=algorithms)
algorithms.add_command(label='Clique', command=self.clique)
algorithms.add_command(label='Clustering', command=self.clustering)
algorithms.add_command(label='Centrality', command=self.centrality)
algorithms.add_separator()
def clique(self):
import config
graphs = config.graph
file = open('clique.txt', 'w')
clique_string = [
"This txt file will show you the finding of cliques in your network.\n\n"
+
"Description : In complex network, a clique is a maximal subset of the vertices or nodes in an undirected network such that every member\n"
+
"of the set is connected by an edge or link to every other node." +
"The meaning of 'maximal' here means there is no other vertex or node in the network that can be added to the subset while keeping or preserving\n"
+
"the property that every vertex or node is connected to every other.\n"
]
file.write(clique_string[0])
max_clique = list(nx.make_max_clique_graph(graphs))
max_clique_str = str(max_clique)
max_clique_string = [
"Maximal Cliques:\n-The maximal cliques and treats these cliques as nodes.\n -These nodes in a [] are connected if they have common members in the original graph.\n"
+ "-" + max_clique_str + '\n'
]
file.write(max_clique_string[0])
all_maximal_cliques = str(list(nx.find_cliques(graphs)))
all_maximal_cliques_string = [
"Cliques:\n-The possible cliques in the network.\n" + "-" +
all_maximal_cliques + '\n'
]
file.write(all_maximal_cliques_string[0])
number_of_maximum_clique = str(nx.graph_number_of_cliques(graphs))
number_of_node_in_largest_clique = str(nx.graph_clique_number(graphs))
clique_number_string = [
"Basic statistic of cliques in network:\n-The (largest) number of cliques in the network:"
+ number_of_maximum_clique + "\n" +
"-The number of nodes in the largest clique in the network:" +
number_of_node_in_largest_clique
]
file.write(clique_number_string[0])
file.close() # this must add or only display a empty txt
import os
os.system("notepad.exe clique.txt")
def clustering(self):
import config
graphs = config.graph
file = open('clustering.txt', 'w')
cluster_string = [
'This txt file will show you the finding of clusters in your network.\n\n'
+
"Description : In complex network, nodes tend to gather and cluster together, which is called 'small-world' phenomenon.\n"
+
" Therefore, different clustering coefficient is a measure of the degree to which nodes in a graph tend to cluster together.\n"
]
file.write(cluster_string[0])
file.write("\n\n")
cluster = nx.clustering(graphs)
cluster_list = cluster.items()
clustering_string = [
"Clustering Coefficient:\n-Compute the clustering coefficient for nodes.\n-The clustering coefficient measures the average probability that two neighbors of a node are\n"
+
"themselves neighbors. In effect it measures the density of triangles in the network.\n"
+ "-node name Clustering Coefficient\n"
]
file.write(clustering_string[0])
for i in cluster_list:
file.write(str(i) + '\n')
file.write("\n\n")
average_cluster = nx.average_clustering(graphs)
average_cluster_string = [
"Average Clustering Coefficient:\n" +
"-Compute the average clustering coefficient for the\n" +
"-Average Clustering Coefficient:" + " " + str(average_cluster) +
"\n\n"
]
file.write(average_cluster_string[0])
transitivity = nx.transitivity(graphs)
transitivity_string = [
"Transitivity:\n" +
"-Compute graph transitivity, the fraction of all possible triangles present in the network.\n"
+ "-Transitivity:" + " " + str(transitivity)
]
file.write(transitivity_string[0])
file.write("\n\n")
triangles = nx.triangles(graphs)
triangles_string = [
"Triangles:\n" + "-Compute the number of triangles.\n" +
"-Triangles:\n"
]
file.write(triangles_string[0])
for i in triangles:
file.write(str(i) + ':' + str(triangles[i]) + '\n')
file.write("\n\n")
file.close() # this must add or only display a empty txt
import os
os.system("notepad.exe clustering.txt")
def centrality(self):
import config
graphs = config.graph
file = open('centrality.txt', 'w')
degree_centralitys = nx.degree_centrality(graphs)
closeness_centralitys = nx.closeness_centrality(graphs)
betweenness_centralitys = nx.betweenness_centrality(graphs)
degree_centralitys_string = [
"Description:\n\n" +
"-Compute the centrality measures for nodes.\n" +
"-Degree centrality for a node v is the fraction of nodes it is connected to.\n"
+
"-Closeness centrality of a node i is the reciprocal of the sum of the shortest path distances from node i to all (n-i) other nodes.\n"
+
"-Between centrality betweenness centrality is a measure of centrality in a graph based on shortest paths. \n"
+
"-node name(nn):degree centrality(dc),closeness centrality(cc),betweenness centrality(bc):\n"
+ "-nn:dc,cc,bc\n\n"
]
file.write(degree_centralitys_string[0])
for i in degree_centralitys:
file.write(
str(i) + ' : ' + str(degree_centralitys[i]) + ' , ' +
str(closeness_centralitys[i]) + ' , ' +
str(betweenness_centralitys[i]) + '\n')
file.write("\n\n")
file.close() # this must add or only display a empty txt
import os
os.system("notepad.exe centrality.txt")
def center_on_node(self):
node = NodeDialog(self, "Name of node to center on:").result
if node is None: return
self.canvas.center_on_node(node)
def reset_edge_markings(self):
for u, v, k, d in self.canvas.dispG.edges_iter(data=True, keys=True):
token = d['token']
if token.is_marked:
self.canvas.mark_edge(u, v, k)
def reset_node_markings(self):
for u, d in self.canvas.dispG.nodes_iter(data=True):
token = d['token']
if token.is_marked:
self.canvas.mark_node(u)
def add_node(self, event=None):
node = self.node_entry.get()
if node.isdigit() and self.canvas.dataG.has_node(int(node)):
node = int(node)
if self.canvas.dataG.has_node(node):
self.node_list.insert(tk.END, node)
self.node_entry.delete(0, tk.END)
else:
tkm.showerror("Node not found", "Node '%s' not in graph." % node)
def add_filter(self, event=None, filter_lambda=None):
if filter_lambda is None:
filter_lambda = self.filter_entry.get()
if self.canvas.add_filter(filter_lambda):
# We successfully added the filter; add to list and clear entry
self.filter_list.insert(tk.END, filter_lambda)
self.filter_entry.delete(0, tk.END)
def filter_help(self, event=None):
msg = ("Enter a lambda function which returns True if you wish\n"
"to show nodes with ONLY a given property.\n"
"Parameters are:\n"
" - u, the node's name, and \n"
" - d, the data dictionary.\n\n"
"Example: \n"
" d.get('color',None)=='red'\n"
"would show only red nodes.\n"
"Example 2:\n"
" str(u).is_digit()\n"
"would show only nodes which have a numerical name.\n\n"
"Multiple filters are ANDed together.")
tkm.showinfo("Filter Condition", msg)
def remove_filter(self, event=None):
all_items = self.filter_list.get(0, tk.END)
if event is None:
# When no event passed, this function was called via the "clear"
# button.
items = all_items
else:
# Remove currently selected item
items = (self.filter_list.get(tk.ANCHOR), )
for item in items:
self.canvas.remove_filter(item)
idx = all_items.index(item)
self.filter_list.delete(idx)
def grow_all(self):
"""Grow all visible nodes one level"""
for u, d in self.canvas.dispG.node.copy().items():
if not d['token'].is_complete:
self.canvas.grow_node(u)
def get_node_list(self):
"""Get nodes in the node list and clear"""
# See if we forgot to hit the plus sign
if len(self.node_entry.get()) != 0:
self.add_node()
nodes = self.node_list.get(0, tk.END)
self.node_list.delete(0, tk.END)
return nodes
def onBuildNew(self):
nodes = self.get_node_list()
self.canvas.clear()
if len(nodes) == 2:
self.canvas.plot_path(nodes[0], nodes[1], levels=self.level)
else:
self.canvas.plot(nodes, levels=self.level)
def onAddToExisting(self):
"""Add nodes to existing plot. Prompt to include link to existing
if possible"""
home_nodes = set(self.get_node_list())
self.canvas.plot_additional(home_nodes, levels=self.level)
def goto_path(self, event):
frm = self.node_entry.get()
to = self.node_entry2.get()
self.node_entry.delete(0, tk.END)
self.node_entry2.delete(0, tk.END)
if frm == '':
tkm.showerror(
"No From Node", "Please enter a node in both "
"boxes to plot a path. Enter a node in only the first box "
"to bring up nodes immediately adjacent.")
return
if frm.isdigit() and int(frm) in self.canvas.dataG.nodes():
frm = int(frm)
if to.isdigit() and int(to) in self.canvas.dataG.nodes():
to = int(to)
self.canvas.plot_path(frm, to, levels=self.level)
def onNodeSelected(self, node_name, node_dict):
self.tbl_attr.build(node_dict)
self.lbl_attr.config(text="Attributes of node '%s'" % node_name)
def onEdgeSelected(self, edge_name, edge_dict):
self.tbl_attr.build(edge_dict)
self.lbl_attr.config(text="Attributes of edge between '%s' and '%s'" %
edge_name[:2])
@property
def level(self):
try:
l = int(self.level_entry.get())
except ValueError:
tkm.showerror(
"Invalid Level", "Please specify a level between "
"greater than or equal to 0")
raise
return l
