core-extra/coretk/coretk/graph/node.py
2019-12-05 16:37:48 -08:00

209 lines
7.2 KiB
Python

import logging
import tkinter as tk
from tkinter import font
from coretk.dialogs.emaneconfig import EmaneConfigDialog
from coretk.dialogs.mobilityconfig import MobilityConfigDialog
from coretk.dialogs.nodeconfig import NodeConfigDialog
from coretk.dialogs.wlanconfig import WlanConfigDialog
from coretk.graph.enums import GraphMode
from coretk.graph.tooltip import CanvasTooltip
from coretk.nodeutils import NodeUtils
NODE_TEXT_OFFSET = 5
class CanvasNode:
def __init__(self, app, core_node, image):
self.app = app
self.canvas = app.canvas
self.image = image
self.core_node = core_node
x = self.core_node.position.x
y = self.core_node.position.y
self.id = self.canvas.create_image(
x, y, anchor=tk.CENTER, image=self.image, tags="node"
)
image_box = self.canvas.bbox(self.id)
y = image_box[3] + NODE_TEXT_OFFSET
text_font = font.Font(family="TkIconFont", size=12)
self.text_id = self.canvas.create_text(
x,
y,
text=self.core_node.name,
tags="nodename",
font=text_font,
fill="#0000CD",
)
self.tooltip = CanvasTooltip(self.canvas)
self.canvas.tag_bind(self.id, "<ButtonPress-1>", self.click_press)
self.canvas.tag_bind(self.id, "<ButtonRelease-1>", self.click_release)
self.canvas.tag_bind(self.id, "<B1-Motion>", self.motion)
self.canvas.tag_bind(self.id, "<Double-Button-1>", self.double_click)
self.canvas.tag_bind(self.id, "<Control-1>", self.select_multiple)
self.canvas.tag_bind(self.id, "<Enter>", self.on_enter)
self.canvas.tag_bind(self.id, "<Leave>", self.on_leave)
self.edges = set()
self.interfaces = []
self.wireless_edges = set()
self.moving = None
self.antennae = []
def add_antenna(self):
x, y = self.canvas.coords(self.id)
offset = len(self.antennae) * 8
antenna_id = self.canvas.create_image(
x - 16 + offset,
y - 23,
anchor=tk.CENTER,
image=NodeUtils.ANTENNA_ICON,
tags="antenna",
)
self.antennae.append(antenna_id)
def delete_antenna(self):
"""
delete one antenna
:return: nothing
"""
if self.antennae:
antenna_id = self.antennae.pop()
self.canvas.delete(antenna_id)
def delete_antennae(self):
"""
delete all antennas
:return: nothing
"""
logging.info("deleting antennae: %s", self.antennae)
for antenna_id in self.antennae:
self.canvas.delete(antenna_id)
self.antennae.clear()
def move_antennae(self, x_offset, y_offset):
"""
redraw antennas of a node according to the new node position
:return: nothing
"""
for antenna_id in self.antennae:
self.canvas.move(antenna_id, x_offset, y_offset)
def redraw(self):
self.canvas.itemconfig(self.id, image=self.image)
self.canvas.itemconfig(self.text_id, text=self.core_node.name)
def move(self, x, y, update=True):
old_x = self.core_node.position.x
old_y = self.core_node.position.y
x_offset = x - old_x
y_offset = y - old_y
self.core_node.position.x = int(x)
self.core_node.position.y = int(y)
self.canvas.move(self.id, x_offset, y_offset)
self.canvas.move(self.text_id, x_offset, y_offset)
self.move_antennae(x_offset, y_offset)
self.canvas.object_drag(self.id, x_offset, y_offset)
for edge in self.edges:
x1, y1, x2, y2 = self.canvas.coords(edge.id)
if edge.src == self.id:
self.canvas.coords(edge.id, x, y, x2, y2)
else:
self.canvas.coords(edge.id, x1, y1, x, y)
edge.link_info.recalculate_info()
for edge in self.wireless_edges:
x1, y1, x2, y2 = self.canvas.coords(edge.id)
if edge.src == self.id:
self.canvas.coords(edge.id, x, y, x2, y2)
else:
self.canvas.coords(edge.id, x1, y1, x, y)
if self.app.core.is_runtime() and update:
self.app.core.edit_node(self.core_node.id, int(x), int(y))
def on_enter(self, event):
if self.app.core.is_runtime() and self.app.core.observer:
self.tooltip.text.set("waiting...")
self.tooltip.on_enter(event)
output = self.app.core.run(self.core_node.id)
self.tooltip.text.set(output)
def on_leave(self, event):
self.tooltip.on_leave(event)
def click(self, event):
print("click")
def double_click(self, event):
if self.app.core.is_runtime():
self.canvas.core.launch_terminal(self.core_node.id)
else:
self.show_config()
def update_coords(self):
x, y = self.canvas.coords(self.id)
self.core_node.position.x = int(x)
self.core_node.position.y = int(y)
def click_press(self, event):
logging.debug(f"node click press {self.core_node.name}: {event}")
self.moving = self.canvas.canvas_xy(event)
if self.id not in self.canvas.selection:
self.canvas.select_object(self.id)
self.canvas.selected = self.id
def click_release(self, event):
logging.debug(f"node click release {self.core_node.name}: {event}")
self.update_coords()
self.moving = None
def motion(self, event):
if self.canvas.mode == GraphMode.EDGE:
return
x, y = self.canvas.canvas_xy(event)
my_x = self.core_node.position.x
my_y = self.core_node.position.y
self.move(x, y)
# move other selected components
for object_id, selection_id in self.canvas.selection.items():
if object_id != self.id and object_id in self.canvas.nodes:
canvas_node = self.canvas.nodes[object_id]
other_old_x = canvas_node.core_node.position.x
other_old_y = canvas_node.core_node.position.y
other_new_x = x + other_old_x - my_x
other_new_y = y + other_old_y - my_y
self.canvas.nodes[object_id].move(other_new_x, other_new_y)
elif object_id in self.canvas.shapes:
shape = self.canvas.shapes[object_id]
shape.motion(None, x - my_x, y - my_y)
def select_multiple(self, event):
self.canvas.select_object(self.id, choose_multiple=True)
def show_config(self):
self.canvas.context = None
dialog = NodeConfigDialog(self.app, self.app, self)
dialog.show()
def show_wlan_config(self):
self.canvas.context = None
dialog = WlanConfigDialog(self.app, self.app, self)
dialog.show()
def show_mobility_config(self):
self.canvas.context = None
dialog = MobilityConfigDialog(self.app, self.app, self)
dialog.show()
def show_mobility_player(self):
self.canvas.context = None
mobility_player = self.app.core.mobility_players[self.core_node.id]
mobility_player.show()
def show_emane_config(self):
self.canvas.context = None
dialog = EmaneConfigDialog(self.app, self.app, self)
dialog.show()