| 1 | # Copyright (C) 2007 Adriano Monteiro Marques <py.adriano@gmail.com> |
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| 2 | # |
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| 3 | # Author: Joao Paulo de Souza Medeiros <ignotus21@gmail.com> |
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| 4 | # |
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| 5 | # This program is free software; you can redistribute it and/or modify |
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| 6 | # it under the terms of the GNU General Public License as published by |
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| 7 | # the Free Software Foundation; either version 2 of the License, or |
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| 8 | # (at your option) any later version. |
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| 9 | # |
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| 10 | # This program is distributed in the hope that it will be useful, |
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| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | # GNU General Public License for more details. |
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| 14 | # |
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| 15 | # You should have received a copy of the GNU General Public License |
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| 16 | # along with this program; if not, write to the Free Software |
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| 17 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 18 | |
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| 19 | import gtk |
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| 20 | import math |
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| 21 | import time |
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| 22 | import pango |
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| 23 | import drawing |
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| 24 | import geometry |
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| 25 | import gobject |
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| 26 | from gtk import gdk |
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| 27 | from Coordinate import PolarCoordinate |
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| 28 | from Interpolation import Linear2DInterpolator |
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| 29 | from Graph import Graph, Node |
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| 30 | |
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| 31 | |
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| 32 | class RadialNet(gtk.DrawingArea): |
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| 33 | """ |
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| 34 | Radial network visualization widget |
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| 35 | """ |
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| 36 | def __init__(self, numberOfRings=3): |
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| 37 | """ |
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| 38 | Constructor method of RadialNet widget class |
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| 39 | @type numberOfRings: number |
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| 40 | @param numberOfRings: Number of rings in radial layout |
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| 41 | """ |
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| 42 | self.__numberOfRings = numberOfRings |
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| 43 | """Number of rings in radial layout""" |
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| 44 | self.__ringGap = 50 |
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| 45 | """Gap between rings""" |
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| 46 | self.__graph = None |
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| 47 | """Graph displayed in radial layout""" |
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| 48 | self.__centerOfWidget = (0, 0) |
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| 49 | """Store the center of widget""" |
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| 50 | self.__isInAnimation = False |
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| 51 | """""" |
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| 52 | self.exposedNodes = set([]) |
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| 53 | """""" |
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| 54 | self.__animationRate = 10 |
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| 55 | """""" |
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| 56 | |
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| 57 | super(RadialNet, self).__init__() |
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| 58 | self.connect("expose_event", self.expose) |
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| 59 | self.connect("button_press_event", self.button_press) |
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| 60 | self.connect("button_release_event", self.button_release) |
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| 61 | self.connect("motion_notify_event", self.motion_notify) |
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| 62 | self.connect("enter_notify_event", self.enter_notify) |
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| 63 | self.connect("leave_notify_event", self.leave_notify) |
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| 64 | |
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| 65 | self.add_events(gdk.BUTTON_PRESS_MASK | |
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| 66 | gdk.BUTTON_RELEASE_MASK | |
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| 67 | gdk.ENTER_NOTIFY | |
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| 68 | gdk.LEAVE_NOTIFY | |
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| 69 | gdk.POINTER_MOTION_MASK) |
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| 70 | |
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| 71 | |
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| 72 | def notIsInAnimation(function): |
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| 73 | """ |
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| 74 | """ |
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| 75 | def checkAnimationStatus(*args): |
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| 76 | if args[0].__isInAnimation == True: |
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| 77 | return True |
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| 78 | return function(*args) |
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| 79 | |
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| 80 | return checkAnimationStatus |
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| 81 | |
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| 82 | |
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| 83 | def __getNodeByCoordinate(self, point): |
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| 84 | """ |
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| 85 | """ |
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| 86 | xc, yc = self.__centerOfWidget |
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| 87 | |
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| 88 | for id in range(self.__graph.getNumberOfNodes()): |
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| 89 | |
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| 90 | node = self.__graph.getNodeByID(id) |
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| 91 | |
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| 92 | xn, yn = node.getCartesianCoordinate() |
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| 93 | center = (xc + xn, yc - yn) |
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| 94 | radius = node.getDrawInfo('radius') |
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| 95 | |
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| 96 | if ( geometry.pointIsInCircle(point, radius, center) == True ): |
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| 97 | return node, center |
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| 98 | |
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| 99 | return None |
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| 100 | |
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| 101 | |
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| 102 | @notIsInAnimation |
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| 103 | def enter_notify(self, widget, event): |
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| 104 | """ |
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| 105 | """ |
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| 106 | |
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| 107 | |
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| 108 | @notIsInAnimation |
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| 109 | def leave_notify(self, widget, event): |
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| 110 | """ |
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| 111 | """ |
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| 112 | for id in range(self.__graph.getNumberOfNodes()): |
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| 113 | node = self.__graph.getNodeByID(id) |
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| 114 | node.setDrawInfo('over', False) |
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| 115 | |
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| 116 | self.queue_draw() |
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| 117 | |
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| 118 | |
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| 119 | @notIsInAnimation |
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| 120 | def button_press(self, widget, event): |
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| 121 | """ |
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| 122 | Drawing callback |
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| 123 | @type widget: GtkWidget |
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| 124 | @param widget: Gtk widget superclass |
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| 125 | @type event: GtkEvent |
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| 126 | @param event: Gtk event of widget |
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| 127 | @rtype: boolean |
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| 128 | @return: Indicator of the event propagation |
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| 129 | """ |
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| 130 | event.window.set_cursor(gdk.Cursor(gtk.gdk.X_CURSOR)) |
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| 131 | |
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| 132 | if event.button == 1: |
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| 133 | result = self.__getNodeByCoordinate(self.get_pointer()) |
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| 134 | |
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| 135 | if ( result != None ): |
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| 136 | |
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| 137 | node, point = result |
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| 138 | self.anim(node.getID()) |
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| 139 | |
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| 140 | if event.button == 3: |
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| 141 | |
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| 142 | result = self.__getNodeByCoordinate(self.get_pointer()) |
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| 143 | |
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| 144 | if ( result != None ): |
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| 145 | |
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| 146 | xw, yw = self.window.get_origin() |
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| 147 | node, point = result |
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| 148 | x, y = point |
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| 149 | |
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| 150 | if node.getID() not in self.exposedNodes: |
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| 151 | |
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| 152 | nodeView = NodeView(node, (int(xw + x), int(yw + y)), self) |
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| 153 | nodeView.show_all() |
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| 154 | self.exposedNodes.add(node.getID()) |
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| 155 | |
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| 156 | return True |
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| 157 | |
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| 158 | |
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| 159 | @notIsInAnimation |
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| 160 | def button_release(self, widget, event): |
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| 161 | """ |
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| 162 | Drawing callback |
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| 163 | @type widget: GtkWidget |
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| 164 | @param widget: Gtk widget superclass |
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| 165 | @type event: GtkEvent |
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| 166 | @param event: Gtk event of widget |
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| 167 | @rtype: boolean |
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| 168 | @return: Indicator of the event propagation |
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| 169 | """ |
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| 170 | event.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.LEFT_PTR)) |
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| 171 | |
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| 172 | return True |
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| 173 | |
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| 174 | |
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| 175 | @notIsInAnimation |
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| 176 | def motion_notify(self, widget, event): |
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| 177 | """ |
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| 178 | Drawing callback |
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| 179 | @type widget: GtkWidget |
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| 180 | @param widget: Gtk widget superclass |
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| 181 | @type event: GtkEvent |
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| 182 | @param event: Gtk event of widget |
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| 183 | @rtype: boolean |
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| 184 | @return: Indicator of the event propagation |
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| 185 | """ |
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| 186 | xc, yc = self.__centerOfWidget |
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| 187 | pointer = self.get_pointer() |
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| 188 | |
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| 189 | for id in range(self.__graph.getNumberOfNodes()): |
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| 190 | node = self.__graph.getNodeByID(id) |
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| 191 | node.setDrawInfo('over', False) |
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| 192 | |
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| 193 | result = self.__getNodeByCoordinate(self.get_pointer()) |
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| 194 | |
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| 195 | if result != None: |
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| 196 | result[0].setDrawInfo('over', True) |
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| 197 | |
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| 198 | self.queue_draw() |
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| 199 | |
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| 200 | return True |
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| 201 | |
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| 202 | |
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| 203 | def expose(self, widget, event): |
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| 204 | """ |
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| 205 | Drawing callback |
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| 206 | @type widget: GtkWidget |
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| 207 | @param widget: Gtk widget superclass |
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| 208 | @type event: GtkEvent |
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| 209 | @param event: Gtk event of widget |
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| 210 | @rtype: boolean |
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| 211 | @return: Indicator of the event propagation |
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| 212 | """ |
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| 213 | self.context = widget.window.cairo_create() |
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| 214 | |
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| 215 | self.context.rectangle(*event.area) |
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| 216 | self.context.set_source_rgb(1.0, 1.0, 1.0) |
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| 217 | self.context.fill_preserve() |
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| 218 | self.context.clip() |
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| 219 | |
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| 220 | self.__draw() |
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| 221 | |
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| 222 | return True |
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| 223 | |
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| 224 | |
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| 225 | def __draw(self): |
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| 226 | """ |
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| 227 | Drawing method |
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| 228 | """ |
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| 229 | # Getting allocation reference |
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| 230 | allocation = self.get_allocation() |
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| 231 | self.__centerOfWidget = (allocation.x + allocation.width / 2, |
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| 232 | allocation.y + allocation.height / 2) |
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| 233 | |
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| 234 | (xc, yc) = self.__centerOfWidget |
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| 235 | |
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| 236 | # Drawing network rings |
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| 237 | for i in range(self.__numberOfRings,0,-1): |
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| 238 | |
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| 239 | self.context.arc(xc, yc, self.__ringGap * (i + 1), 0, 2 * math.pi) |
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| 240 | self.context.set_source_rgb(0.2, 0.2, 0.2) |
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| 241 | self.context.set_dash([4, 6]) |
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| 242 | self.context.set_line_width(0.2) |
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| 243 | self.context.stroke() |
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| 244 | |
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| 245 | # Drawing nodes and your connections |
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| 246 | |
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| 247 | connectionsList = set() |
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| 248 | |
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| 249 | for i in range(self.__graph.getNumberOfNodes()): |
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| 250 | |
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| 251 | node = self.__graph.getNodeByID(i) |
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| 252 | |
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| 253 | for j in self.__graph.getNodeConnections(node): |
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| 254 | |
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| 255 | if (i, j) not in connectionsList: |
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| 256 | self.__drawConnection(node, self.__graph.getNodeByID(j)) |
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| 257 | connectionsList.add((i, j)) |
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| 258 | connectionsList.add((j, i)) |
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| 259 | |
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| 260 | for i in range(self.__graph.getNumberOfNodes()): |
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| 261 | |
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| 262 | self.__drawNode(self.__graph.getNodeByID(i)) |
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| 263 | |
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| 264 | |
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| 265 | def __drawConnection(self, nodeA, nodeB): |
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| 266 | """ |
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| 267 | Draw the connection between two nodes |
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| 268 | @type : NetNode |
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| 269 | @param : The first node that will be connected |
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| 270 | @type : NetNode |
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| 271 | @param : The second node that will be connected |
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| 272 | """ |
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| 273 | # Draw connections |
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| 274 | self.context.save() |
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| 275 | (xA, yA) = nodeA.getCartesianCoordinate() |
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| 276 | (xB, yB) = nodeB.getCartesianCoordinate() |
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| 277 | |
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| 278 | (xc, yc) = self.__centerOfWidget |
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| 279 | |
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| 280 | self.context.set_source_rgb(0.5, 0.5, 1.0) |
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| 281 | self.context.set_dash([1,0]) |
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| 282 | self.context.move_to(xc + xA, yc - yA) |
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| 283 | self.context.line_to(xc + xB, yc - yB) |
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| 284 | self.context.set_line_width(0.5) |
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| 285 | self.context.stroke() |
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| 286 | self.context.restore() |
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| 287 | |
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| 288 | |
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| 289 | def __drawNode(self, node): |
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| 290 | """ |
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| 291 | Draw nodes and your informations |
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| 292 | @type : NetNode |
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| 293 | @param : The node will be draw |
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| 294 | """ |
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| 295 | x, y = node.getCartesianCoordinate() |
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| 296 | r, g, b = node.getDrawInfo('color') |
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| 297 | xc, yc = self.__centerOfWidget |
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| 298 | |
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| 299 | radius = node.getDrawInfo('radius') |
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| 300 | |
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| 301 | if node.getDrawInfo('over') == True: |
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| 302 | self.context.arc(xc + x, yc - y, radius + 2, 0, 2 * math.pi) |
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| 303 | self.context.set_source_rgba(0.0, 0.0, 1.0, 0.3) |
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| 304 | self.context.fill_preserve() |
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| 305 | self.context.stroke() |
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| 306 | |
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| 307 | self.context.arc(xc + x, yc - y, radius, 0, 2 * math.pi) |
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| 308 | self.context.set_source_rgb(r, g, b) |
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| 309 | self.context.fill_preserve() |
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| 310 | self.context.set_source_rgb(0.0, 0.0, 0.0) |
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| 311 | self.context.set_font_size(9) |
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| 312 | self.context.show_text(node.getInformation('ip')) |
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| 313 | self.context.set_dash([1,0]) |
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| 314 | self.context.set_line_width(0.5) |
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| 315 | self.context.stroke() |
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| 316 | |
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| 317 | |
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| 318 | def __calculateNodePositions(self): |
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| 319 | """ |
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| 320 | Make some operations to determine the initial node positions |
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| 321 | """ |
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| 322 | newNodes = [self.__graph.getMainNodeID()] |
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| 323 | oldNodes = [] |
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| 324 | |
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| 325 | angleRange = range(self.__graph.getNumberOfNodes()) |
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| 326 | angleRange[self.__graph.getMainNodeID()] = (0,360) |
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| 327 | |
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| 328 | self.__graph.getMainNode().setPolarCoordinate(0, 0) |
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| 329 | |
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| 330 | for i in range(self.__numberOfRings): |
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| 331 | |
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| 332 | locNodes = [] |
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| 333 | |
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| 334 | for nodeID in newNodes: |
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| 335 | |
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| 336 | oldNodes.append(nodeID) |
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| 337 | |
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| 338 | node = self.__graph.getNodeByID(nodeID) |
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| 339 | connections = self.__graph.getNodeConnections(node, oldNodes) |
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| 340 | (min, max) = angleRange[node.getID()] |
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| 341 | alpha = 0 |
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| 342 | |
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| 343 | radius = self.__ringGap * (i + 2) |
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| 344 | |
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| 345 | for j in connections: |
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| 346 | |
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| 347 | child = self.__graph.getNodeByID(j) |
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| 348 | alpha += 1 |
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| 349 | |
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| 350 | factor = (max - min) / len(connections) |
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| 351 | |
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| 352 | if factor > 180: |
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| 353 | factor = 180 |
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| 354 | |
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| 355 | a = min + (alpha - 1) * factor |
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| 356 | b = min + alpha * factor |
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| 357 | angleRange[j] = (a, b) |
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| 358 | |
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| 359 | theta = ((b - a) / 2) + a |
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| 360 | child.setPolarCoordinate(radius, theta) |
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| 361 | |
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| 362 | locNodes.append(j) |
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| 363 | |
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| 364 | for j in locNodes: |
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| 365 | newNodes.append(j) |
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| 366 | |
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| 367 | for j in oldNodes: |
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| 368 | if j in newNodes: |
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| 369 | newNodes.remove(j) |
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| 370 | |
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| 371 | if len(newNodes) == 0: break |
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| 372 | |
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| 373 | |
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| 374 | def anim(self, node_id): |
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| 375 | """ |
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| 376 | """ |
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| 377 | self.__isInAnimation = True # Lock main draw functions and events |
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| 378 | |
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| 379 | initialCoordinates = range(self.__graph.getNumberOfNodes()) |
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| 380 | finalCoordinates = range(self.__graph.getNumberOfNodes()) |
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| 381 | interpolatedCoordinates = range(self.__graph.getNumberOfNodes()) |
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| 382 | |
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| 383 | for id in range(self.__graph.getNumberOfNodes()): |
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| 384 | |
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| 385 | node = self.__graph.getNodeByID(id) |
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| 386 | initialCoordinates[id] = node.getPolarCoordinate() |
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| 387 | |
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| 388 | old_main_node_id = self.__graph.getMainNodeID() |
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| 389 | |
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| 390 | self.__graph.setMainNodeByID(node_id) |
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| 391 | self.__calculateNodePositions() |
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| 392 | |
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| 393 | for id in range(self.__graph.getNumberOfNodes()): |
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| 394 | |
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| 395 | node = self.__graph.getNodeByID(id) |
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| 396 | finalCoordinates[id] = node.getPolarCoordinate() |
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| 397 | |
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| 398 | ri, ti = initialCoordinates[id] |
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| 399 | rf, tf = finalCoordinates[id] |
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| 400 | |
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| 401 | interpolator = Linear2DInterpolator() |
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| 402 | interpolator.setInitialPoint(ri, ti) |
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| 403 | interpolator.setFinalPoint(rf, tf) |
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| 404 | points = interpolator.getInterpolatedPoints(self.__animationRate) |
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| 405 | interpolatedCoordinates[id] = points |
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| 406 | |
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| 407 | self.__isInAnimation = False # Unlock main draw functions and events |
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| 408 | |
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| 409 | for i in range(self.__animationRate): |
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| 410 | |
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| 411 | for id in range(self.__graph.getNumberOfNodes()): |
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| 412 | |
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| 413 | r, t = interpolatedCoordinates[id][i] |
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| 414 | node = self.__graph.getNodeByID(id) |
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| 415 | node.setPolarCoordinate(r, t) |
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| 416 | |
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| 417 | self.queue_draw() |
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| 418 | |
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| 419 | |
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| 420 | |
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| 421 | def setGraph(self, graph): |
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| 422 | """ |
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| 423 | Set graph to be displayed in layout |
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| 424 | @type : Graph |
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| 425 | @param : Set the graph used in visualization |
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| 426 | """ |
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| 427 | self.__graph = graph |
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| 428 | self.__calculateNodePositions() |
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| 429 | |
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| 430 | |
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| 431 | |
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| 432 | class NodeView(gtk.Window): |
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| 433 | """ |
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| 434 | """ |
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| 435 | |
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| 436 | __COMPACTED = 1 |
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| 437 | __COLLAPSED = 0 |
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| 438 | |
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| 439 | def __init__(self, node, position, parent): |
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| 440 | """ |
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| 441 | """ |
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| 442 | gtk.Window.__init__(self, gtk.WINDOW_POPUP) |
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| 443 | self.move(position[0], position[1]) |
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| 444 | self.__button_press_position = self.get_pointer() |
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| 445 | self.resize(240, 120) |
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| 446 | |
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| 447 | self.__node = node |
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| 448 | self.__pressed = False |
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| 449 | self.__parent = parent |
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| 450 | |
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| 451 | self.connect("button_press_event", self.button_press) |
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| 452 | self.connect("button_release_event", self.button_release) |
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| 453 | self.connect("enter_notify_event", self.enter_notify) |
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| 454 | self.connect("leave_notify_event", self.leave_notify) |
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| 455 | self.connect("motion_notify_event", self.motion_notify) |
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| 456 | |
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| 457 | self.add_events(gdk.BUTTON_PRESS_MASK | |
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| 458 | gdk.BUTTON_RELEASE_MASK | |
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| 459 | gdk.POINTER_MOTION_MASK | |
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| 460 | gdk.ENTER_NOTIFY | |
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| 461 | gdk.LEAVE_NOTIFY | |
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| 462 | gdk.POINTER_MOTION_HINT_MASK) |
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| 463 | |
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| 464 | self.__draw_compact_layout() |
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| 465 | |
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| 466 | |
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| 467 | def __draw_compact_layout(self): |
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| 468 | """ |
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| 469 | """ |
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| 470 | self.__content = gtk.VBox() |
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| 471 | self.__content.set_spacing(2) |
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| 472 | self.__content.set_border_width(3) |
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| 473 | self.__body = gtk.VBox() |
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| 474 | self.__head = gtk.HBox() |
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| 475 | self.__head.set_spacing(2) |
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| 476 | |
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| 477 | bold_font = pango.FontDescription('bold') |
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| 478 | normal_font = pango.FontDescription('monospace 8') |
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| 479 | |
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| 480 | color_event = gtk.EventBox() |
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| 481 | color = gtk.Image() |
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| 482 | color.set_from_file('image/border.png') |
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| 483 | color_event.add(color) |
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| 484 | color_event.set_size_request(15, 15) |
|---|
| 485 | r, g, b = drawing.cairoToGdkColor(self.__node.getDrawInfo('color')) |
|---|
| 486 | color_event.modify_bg(gtk.STATE_NORMAL, gdk.Color(r, g, b)) |
|---|
| 487 | |
|---|
| 488 | title_event = gtk.EventBox() |
|---|
| 489 | title = gtk.Label() |
|---|
| 490 | title.set_markup(self.__node.getInformation('ip')) |
|---|
| 491 | title.modify_font(bold_font) |
|---|
| 492 | |
|---|
| 493 | close_event = gtk.EventBox() |
|---|
| 494 | close = gtk.Image() |
|---|
| 495 | close.set_from_file('image/close.png') |
|---|
| 496 | close_event.add(close) |
|---|
| 497 | close_event.connect('button_press_event', self.close_window) |
|---|
| 498 | close_event.add_events(gdk.BUTTON_PRESS_MASK) |
|---|
| 499 | |
|---|
| 500 | expand_event = gtk.EventBox() |
|---|
| 501 | expand = gtk.Image() |
|---|
| 502 | expand.set_from_file('image/expand.png') |
|---|
| 503 | expand_event.add(expand) |
|---|
| 504 | expand_event.connect('button_press_event', self.expand_window) |
|---|
| 505 | expand_event.add_events(gdk.BUTTON_PRESS_MASK) |
|---|
| 506 | |
|---|
| 507 | collapse_event = gtk.EventBox() |
|---|
| 508 | collapse = gtk.Image() |
|---|
| 509 | collapse.set_from_file('image/collapse.png') |
|---|
| 510 | collapse_event.add(collapse) |
|---|
| 511 | collapse_event.connect('button_press_event', self.collapse_window) |
|---|
| 512 | collapse_event.add_events(gdk.BUTTON_PRESS_MASK) |
|---|
| 513 | |
|---|
| 514 | text_scroll = gtk.ScrolledWindow() |
|---|
| 515 | text_scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC) |
|---|
| 516 | text = gtk.TextView() |
|---|
| 517 | text_scroll.add(text) |
|---|
| 518 | |
|---|
| 519 | self.__head.pack_start(color_event, False, False, 0) |
|---|
| 520 | self.__head.pack_start(title, False, False, 0) |
|---|
| 521 | self.__head.pack_end(close_event, False, False, 0) |
|---|
| 522 | self.__head.pack_end(expand_event, False, False, 0) |
|---|
| 523 | self.__head.pack_end(collapse_event, False, False, 0) |
|---|
| 524 | self.__body.pack_start(text_scroll, True, True, 0) |
|---|
| 525 | |
|---|
| 526 | self.__content.pack_start(self.__head, False, False, 0) |
|---|
| 527 | self.__content.pack_start(self.__body, True, True, 0) |
|---|
| 528 | |
|---|
| 529 | self.add(self.__content) |
|---|
| 530 | |
|---|
| 531 | |
|---|
| 532 | def close_window(self, widget, event): |
|---|
| 533 | """ |
|---|
| 534 | """ |
|---|
| 535 | self.__node.setDrawInfo('over', False) |
|---|
| 536 | self.destroy() |
|---|
| 537 | self.__parent.exposedNodes.remove(self.__node.getID()) |
|---|
| 538 | self.__parent.queue_draw() |
|---|
| 539 | |
|---|
| 540 | return True |
|---|
| 541 | |
|---|
| 542 | |
|---|
| 543 | def expand_window(self, widget, event): |
|---|
| 544 | """ |
|---|
| 545 | """ |
|---|
| 546 | self.present() |
|---|
| 547 | self.__body.show() |
|---|
| 548 | |
|---|
| 549 | if self.__COMPACTED == 1: |
|---|
| 550 | self.resize(480, 240) |
|---|
| 551 | self.__COMPACTED = 0 |
|---|
| 552 | else: |
|---|
| 553 | self.resize(240, 120) |
|---|
| 554 | self.__COMPACTED = 1 |
|---|
| 555 | |
|---|
| 556 | return True |
|---|
| 557 | |
|---|
| 558 | |
|---|
| 559 | def collapse_window(self, widget, event): |
|---|
| 560 | """ |
|---|
| 561 | """ |
|---|
| 562 | self.present() |
|---|
| 563 | |
|---|
| 564 | if self.__COLLAPSED == 0: |
|---|
| 565 | self.resize(240, 20) |
|---|
| 566 | self.__body.hide() |
|---|
| 567 | self.__COLLAPSED = 1 |
|---|
| 568 | else: |
|---|
| 569 | if self.__COMPACTED == 0: |
|---|
| 570 | self.resize(480, 240) |
|---|
| 571 | else: |
|---|
| 572 | self.resize(240, 120) |
|---|
| 573 | self.__body.show() |
|---|
| 574 | self.__COLLAPSED = 0 |
|---|
| 575 | |
|---|
| 576 | return True |
|---|
| 577 | |
|---|
| 578 | |
|---|
| 579 | def button_press(self, widget, event): |
|---|
| 580 | """ |
|---|
| 581 | """ |
|---|
| 582 | self.present() |
|---|
| 583 | self.__pressed = True |
|---|
| 584 | self.__button_press_position = self.get_pointer() |
|---|
| 585 | |
|---|
| 586 | return True |
|---|
| 587 | |
|---|
| 588 | |
|---|
| 589 | def button_release(self, widget, event): |
|---|
| 590 | """ |
|---|
| 591 | """ |
|---|
| 592 | self.__pressed = False |
|---|
| 593 | |
|---|
| 594 | return True |
|---|
| 595 | |
|---|
| 596 | |
|---|
| 597 | def enter_notify(self, widget, event): |
|---|
| 598 | """ |
|---|
| 599 | """ |
|---|
| 600 | self.__node.setDrawInfo('over', True) |
|---|
| 601 | self.__parent.queue_draw() |
|---|
| 602 | |
|---|
| 603 | |
|---|
| 604 | def leave_notify(self, widget, event): |
|---|
| 605 | """ |
|---|
| 606 | """ |
|---|
| 607 | self.__node.setDrawInfo('over', False) |
|---|
| 608 | |
|---|
| 609 | |
|---|
| 610 | def motion_notify(self, widget, event): |
|---|
| 611 | """ |
|---|
| 612 | """ |
|---|
| 613 | self.__node.setDrawInfo('over', True) |
|---|
| 614 | |
|---|
| 615 | x, y, button_state = event.window.get_pointer() |
|---|
| 616 | |
|---|
| 617 | if button_state & gtk.gdk.BUTTON1_MASK and self.__pressed: |
|---|
| 618 | |
|---|
| 619 | xw, yw = event.window.get_root_origin() |
|---|
| 620 | xd, yd = self.__button_press_position |
|---|
| 621 | self.move(x + xw - xd, y + yw - yd) |
|---|
| 622 | |
|---|
| 623 | return True |
|---|
| 624 | |
|---|
| 625 | |
|---|
| 626 | |
|---|
| 627 | class NetNode(Node): |
|---|
| 628 | """ |
|---|
| 629 | Node class for radial network widget |
|---|
| 630 | """ |
|---|
| 631 | def __init__(self, id=Node): |
|---|
| 632 | """ |
|---|
| 633 | """ |
|---|
| 634 | self.__drawInfo = None |
|---|
| 635 | """Hash with draw information""" |
|---|
| 636 | self.__coordinate = PolarCoordinate() |
|---|
| 637 | |
|---|
| 638 | super(NetNode, self).__init__(id) |
|---|
| 639 | |
|---|
| 640 | |
|---|
| 641 | def setPolarCoordinate(self, r, t): |
|---|
| 642 | """ |
|---|
| 643 | Set polar coordinate |
|---|
| 644 | @type r: number |
|---|
| 645 | @param r: The radius of coordinate |
|---|
| 646 | @type t: number |
|---|
| 647 | @param t: The angle (theta) of coordinate in radians |
|---|
| 648 | """ |
|---|
| 649 | self.__coordinate.setCoordinate(r, t) |
|---|
| 650 | |
|---|
| 651 | |
|---|
| 652 | def getPolarCoordinate(self): |
|---|
| 653 | """ |
|---|
| 654 | Get cartesian coordinate |
|---|
| 655 | @rtype: tuple |
|---|
| 656 | @return: Cartesian coordinates (x, y) |
|---|
| 657 | """ |
|---|
| 658 | return self.__coordinate.getCoordinate() |
|---|
| 659 | |
|---|
| 660 | |
|---|
| 661 | def getCartesianCoordinate(self): |
|---|
| 662 | """ |
|---|
| 663 | Get cartesian coordinate |
|---|
| 664 | @rtype: tuple |
|---|
| 665 | @return: Cartesian coordinates (x, y) |
|---|
| 666 | """ |
|---|
| 667 | return self.__coordinate.toCartesian() |
|---|
| 668 | |
|---|
| 669 | |
|---|
| 670 | def getDrawInfo(self, info): |
|---|
| 671 | """ |
|---|
| 672 | Get draw information about node |
|---|
| 673 | @type : string |
|---|
| 674 | @param : Information name |
|---|
| 675 | @rtype: mixed |
|---|
| 676 | @return: The requested information |
|---|
| 677 | """ |
|---|
| 678 | try: |
|---|
| 679 | return self.__drawInfo[ info ] |
|---|
| 680 | except: |
|---|
| 681 | return None |
|---|
| 682 | |
|---|
| 683 | |
|---|
| 684 | def setDrawInfo(self, info, value=None): |
|---|
| 685 | """ |
|---|
| 686 | Set draw information |
|---|
| 687 | @type : dict |
|---|
| 688 | @param : Draw information dictionary |
|---|
| 689 | """ |
|---|
| 690 | if value == None: |
|---|
| 691 | self.__drawInfo = info |
|---|
| 692 | else: |
|---|
| 693 | self.__drawInfo[info] = value |
|---|
| 694 | |
|---|
| 695 | |
|---|
| 696 | |
|---|
| 697 | |
|---|
| 698 | if __name__ == "__main__": |
|---|
| 699 | |
|---|
| 700 | # Testing application |
|---|
| 701 | |
|---|
| 702 | window = gtk.Window() |
|---|
| 703 | radialnet = RadialNet(5) |
|---|
| 704 | |
|---|
| 705 | # Creating nodes |
|---|
| 706 | nodes = range(10) |
|---|
| 707 | |
|---|
| 708 | nodes[0] = NetNode(0) |
|---|
| 709 | nodes[0].setDrawInfo({"color":(0,1,0), "radius":10}) |
|---|
| 710 | nodes[0].setInformation({"ip":"192.168.1.1", "host":"joao.test.net"}) |
|---|
| 711 | |
|---|
| 712 | nodes[1] = NetNode(1) |
|---|
| 713 | nodes[1].setDrawInfo({"color":(1,1,0), "radius":8}) |
|---|
| 714 | nodes[1].setInformation({"ip":"192.168.1.2", "host":"luis.test.net"}) |
|---|
| 715 | |
|---|
| 716 | nodes[2] = NetNode(2) |
|---|
| 717 | nodes[2].setDrawInfo({"color":(1,0,0), "radius":6}) |
|---|
| 718 | nodes[2].setInformation({"ip":"192.168.1.3", "host":"polo.test.net"}) |
|---|
| 719 | |
|---|
| 720 | nodes[3] = NetNode(3) |
|---|
| 721 | nodes[3].setDrawInfo({"color":(0,1,0), "radius":10}) |
|---|
| 722 | nodes[3].setInformation({"ip":"192.168.2.5", "host":"mara.test.net"}) |
|---|
| 723 | |
|---|
| 724 | nodes[4] = NetNode(4) |
|---|
| 725 | nodes[4].setDrawInfo({"color":(1,0,0), "radius":12}) |
|---|
| 726 | nodes[4].setInformation({"ip":"192.168.3.2", "host":"nara.test.net"}) |
|---|
| 727 | |
|---|
| 728 | nodes[5] = NetNode(5) |
|---|
| 729 | nodes[5].setDrawInfo({"color":(0,1,0), "radius":8}) |
|---|
| 730 | nodes[5].setInformation({"ip":"192.168.3.3", "host":"luca.test.net"}) |
|---|
| 731 | |
|---|
| 732 | nodes[6] = NetNode(6) |
|---|
| 733 | nodes[6].setDrawInfo({"color":(1,1,0), "radius":8}) |
|---|
| 734 | nodes[6].setInformation({"ip":"192.168.3.1", "host":"jose.test.net"}) |
|---|
| 735 | |
|---|
| 736 | nodes[7] = NetNode(7) |
|---|
| 737 | nodes[7].setDrawInfo({"color":(1,1,0), "radius":10}) |
|---|
| 738 | nodes[7].setInformation({"ip":"192.168.1.8", "host":"mark.test.net"}) |
|---|
| 739 | |
|---|
| 740 | nodes[8] = NetNode(8) |
|---|
| 741 | nodes[8].setDrawInfo({"color":(1,1,0), "radius":8}) |
|---|
| 742 | nodes[8].setInformation({"ip":"192.168.1.7", "host":"mama.test.net"}) |
|---|
| 743 | |
|---|
| 744 | nodes[9] = NetNode(9) |
|---|
| 745 | nodes[9].setDrawInfo({"color":(1,0,0), "radius":6}) |
|---|
| 746 | nodes[9].setInformation({"ip":"192.168.4.7", "host":"papa.test.net"}) |
|---|
| 747 | |
|---|
| 748 | graph = Graph(nodes) |
|---|
| 749 | graph.setMainNodeByID(0) |
|---|
| 750 | graph.setConnections(0, 1) |
|---|
| 751 | graph.setConnections(0, 2) |
|---|
| 752 | graph.setConnections(0, 7) |
|---|
| 753 | graph.setConnections(0, 8) |
|---|
| 754 | graph.setConnections(1, 3) |
|---|
| 755 | graph.setConnections(2, 4) |
|---|
| 756 | graph.setConnections(2, 5) |
|---|
| 757 | graph.setConnections(2, 6) |
|---|
| 758 | graph.setConnections(5, 9) |
|---|
| 759 | |
|---|
| 760 | radialnet.setGraph(graph) |
|---|
| 761 | radialnet.set_size_request(640, 480) |
|---|
| 762 | |
|---|
| 763 | window.add(radialnet) |
|---|
| 764 | window.connect("destroy", gtk.main_quit) |
|---|
| 765 | window.show_all() |
|---|
| 766 | |
|---|
| 767 | gtk.main() |
|---|
| 768 | |
|---|