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annotate pyink/FSM_window.py @ 1469:c1e70540541c

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Drawing functions for states and transitions
author Thinker K.F. Li <thinker@codemud.net>
date Sun, 24 Apr 2011 12:30:47 +0800
parents 6927debad4ee
children 055845649807
rev   line source
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894a4bf35fe6 Start implement FSM editor window
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1 import gtk
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2 import os
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3 import data_monitor
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4
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5 class FSM_window_base(object):
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6 def __init__(self):
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7 super(FSM_window_base, self).__init__()
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8
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9 dirname = os.path.dirname(__file__)
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10 fname = os.path.join(dirname, 'FSM_window.glade')
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11
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12 builder = gtk.Builder()
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13 builder.add_from_file(fname)
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14
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15 main_win = builder.get_object("FSM_main_win")
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16 view_box = builder.get_object("view_box")
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17
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18 builder.connect_signals(self)
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19
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20 self._builder = builder
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21 self._main_win = main_win
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22 self._view_box = view_box
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23 pass
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24
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25 def show(self):
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26 self._main_win.show()
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27 pass
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28
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29 def hide(self):
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30 self._main_win.hide()
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31 pass
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32
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33 def on_start_state_activate(self, *args):
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34 pass
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35
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36 def on_rename_state_activate(self, *args):
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37 pass
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38
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39 def on_remove_state_activate(self, *args):
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40 pass
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41
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42 def on_zoom_out_clicked(self, *args):
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43 pass
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44
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45 def on_zoom_in_clicked(self, *args):
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46 pass
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47
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48 def on_move_state_toggled(self, *args):
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49 pass
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50
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51 def on_add_state_toggled(self, *args):
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52 pass
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53
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54 def on_close_window_activate(self, *args):
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55 pass
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56
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57 def on_FSM_main_win_destroy_event(self, *args):
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58 pass
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59 pass
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60
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61 class FSM_window(FSM_window_base):
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62 __metaclass__ = data_monitor.data_monitor
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63 __data_monitor_prefix__ = 'on_'
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64
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65 def __init__(self, domview_ui, close_cb, destroy_cb):
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66 super(FSM_window, self).__init__()
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67
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68 self._locker = domview_ui
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69
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70 self._domview = domview_ui
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71 self._state_nodes = {}
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72
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73 self._close_cb = close_cb # callback to close editor window (hide)
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74 self._destroy_cb = destroy_cb # callback to destroy editor window
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75 pass
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76
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77 def _doc(self):
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78 view_widget = self._view_widget
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79 view = view_widget.view
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80 doc = view.doc().rdoc
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81 return doc
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82
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83 def _root(self):
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84 doc = self._doc()
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85 root = doc.root()
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86 return root
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87
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88 def _clear_view(self):
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89 root = self._root()
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90
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91 children = [child for child in root.childList()
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92 if child.name() == 'svg:g']
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93 for child in children:
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94 root.removeChild(child)
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95 pass
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96
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97 self._state_nodes = {}
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98 pass
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99
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100 def _draw_transition_real(self, state_g, path):
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101 import math
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102 doc = self._doc()
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103
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104 path_node = doc.createElement('svg:path')
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105 path_txt = 'M %f,%f C %f,%f %f,%f %f,%f' % tuple(path)
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106 path_node.setAttribute('d', path_txt)
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107 path_node.setAttribute('style', 'stroke: #000000; stroke-width: 1; '
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108 'fill: none')
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109 state_g.appendChild(path_node)
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110
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111 # c0 c1 c2 c3 of cubic curve
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112 c3 = (path[6], path[7])
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113 c2 = (path[4], path[5])
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114 c23_v = (c3[0] - c2[0], c3[1] - c2[1])
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115 c23_len = math.sqrt(c23_v[0] * c23_v[0] + c23_v[1] * c23_v[1])
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116 adir = (c23_v[0] / c23_len, c23_v[1] / c23_len) # arrow direction
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117 odir = (-adir[1], adir[0]) # othogonal direction
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118 arrow_pts = (c3[0], c3[1],
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119 -adir[0] * 10 + odir[0] * 4, -adir[1] * 10 + odir[1] * 4,
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120 -odir[0] * 8, -odir[1] * 8)
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121 arrow_txt = 'M %f,%f l %f,%f l %f,%f z' % arrow_pts
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122 arrow_node = doc.createElement('svg:path')
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123 arrow_node.setAttribute('d', arrow_txt)
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124 arrow_node.setAttribute('style', 'stroke: #000000; stroke-width: 1; '
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125 'fill: #000000')
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126 state_g.appendChild(arrow_node)
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127 pass
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128
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129 def _draw_state_real(self, state_name, r, x, y):
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130 doc = self._doc()
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131 root = self._root()
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132
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133 state_g = doc.createElement('svg:g')
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134 state_g.setAttribute('inkscape:groupmode', 'layer')
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135
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136 circle = doc.createElement('svg:circle')
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137 circle.setAttribute('r', str(r))
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138 circle.setAttribute('cx', str(x))
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139 circle.setAttribute('cy', str(y))
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140 circle.setAttribute('style', 'stroke: #000000; stroke-width: 1; '
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141 'fill: #ffffff')
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142 state_g.appendChild(circle)
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143
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parents: 1467
diff changeset
144 text = doc.createElement('svg:text')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
145 text_content = doc.createTextNode(state_name)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
146 text.appendChild(text_content)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
147 text.setAttribute('font-size', '16')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
148 text.setAttribute('style', 'stroke: #000000; fill: #000000')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
149 state_g.appendChild(text)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
150
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
151 root.appendChild(state_g)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
152
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
153 tx, ty, tw, th = text.getBBox()
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
154 text.setAttribute('x', str(x - tw / 2))
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
155 text.setAttribute('y', str(y + th / 2))
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
156
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
157 return state_g
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
158
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
159 def _draw_state(self, state_name):
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
160 domview = self._domview
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
161
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
162 r = domview.get_state_r(state_name)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
163 x, y = domview.get_state_xy(state_name)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
164 state_g = self._draw_state_real(state_name, r, x, y)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
165 self._state_nodes[state_name] = state_g
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
166
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
167 transitions = [domview.get_transition(state_name, trn_name)[3]
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
168 for trn_name in domview.all_transitions()]
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
169 for trn in transitions:
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
170 self._draw_transition_real(state_g, trn)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
171 pass
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
172 pass
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
173
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
174 def _update_view(self):
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
175 self._clear_view()
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
176
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
177 domview = self._domview
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
178 state_names = domview.all_state_names()
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
179 for state_name in state_names:
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
180 self._draw_state(state_name)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
181 pass
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
182 pass
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
183
1456
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
184 def set_svg_view(self, view):
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
185 self._view_box.add(view)
1469
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
186 self._view_widget = view
1456
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
187 pass
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
188
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
189 def on_close_window_activate(self, *args):
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
190 self._close_cb()
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
191 pass
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
192
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
193 def on_FSM_main_win_destroy_event(self, *args):
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
194 self._destroy_cb()
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
195 pass
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
196
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
197 def on_FSM_main_win_delete_event(self, *args):
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
198 self._destroy_cb()
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
199 pass
1467
6927debad4ee Fix issue and a simple testcase for FSM
Thinker K.F. Li <thinker@codemud.net>
parents: 1458
diff changeset
200
6927debad4ee Fix issue and a simple testcase for FSM
Thinker K.F. Li <thinker@codemud.net>
parents: 1458
diff changeset
201 def on_add_state_toggled(self, *args):
6927debad4ee Fix issue and a simple testcase for FSM
Thinker K.F. Li <thinker@codemud.net>
parents: 1458
diff changeset
202 domview = self._domview
6927debad4ee Fix issue and a simple testcase for FSM
Thinker K.F. Li <thinker@codemud.net>
parents: 1458
diff changeset
203 domview.add_state('test0')
6927debad4ee Fix issue and a simple testcase for FSM
Thinker K.F. Li <thinker@codemud.net>
parents: 1458
diff changeset
204 domview.add_state('test1')
6927debad4ee Fix issue and a simple testcase for FSM
Thinker K.F. Li <thinker@codemud.net>
parents: 1458
diff changeset
205 domview.add_transition('test0', 'event1', 'test1')
1469
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
206
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
207 view = self._view_widget.view
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
208 doc = view.doc()
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
209 rdoc = doc.rdoc
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
210 root_node = doc.root().repr
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
211
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
212 line_node = rdoc.createElement('svg:line')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
213 line_node.setAttribute('x1', '10')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
214 line_node.setAttribute('y1', '10')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
215 line_node.setAttribute('x2', '100')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
216 line_node.setAttribute('y2', '100')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
217 line_node.setAttribute('style', 'stroke: #000000; stroke-width:2')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
218
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
219 print root_node.name()
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
220 print root_node.childList()[-1].name()
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
221 root_node.setAttribute('inkscape:groupmode', 'layer')
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
222 root_node.appendChild(line_node)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
223
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
224 def show_msg(*args, **kws):
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
225 print 'mouse_event'
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
226 print args
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
227 pass
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
228 print 'before connect'
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
229 hdl_id = line_node.spitem.connect('mouse-event', show_msg)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
230 print hdl_id
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
231
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
232 state_g = self._draw_state_real('test1', 40, 100, 50)
c1e70540541c Drawing functions for states and transitions
Thinker K.F. Li <thinker@codemud.net>
parents: 1467
diff changeset
233 self._draw_transition_real(state_g, (100, 100, 140, 120, 160, 120, 200, 100))
1467
6927debad4ee Fix issue and a simple testcase for FSM
Thinker K.F. Li <thinker@codemud.net>
parents: 1458
diff changeset
234 pass
1456
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
235 pass
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
236
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
237 if __name__ == '__main__':
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
238 win = FSM_window()
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
239 win._main_win.connect('destroy', gtk.main_quit)
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
240 win.show()
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
241 gtk.main()
894a4bf35fe6 Start implement FSM editor window
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
242 pass