1 | # Module to handle the GUI aspects of the table of the delay codes
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2 |
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3 | #------------------------------------------------------------------------------
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4 |
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5 | from .dcdata import CAPTION, DELAYCODE, getTable
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6 |
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7 | from mlx.gui.common import *
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8 |
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9 | import mlx.const as const
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10 |
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11 | #------------------------------------------------------------------------------
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12 |
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13 | if pygobject:
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14 |
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15 | #------------------------------------------------------------------------------
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16 |
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17 | class Viewport(gtk.Viewport):
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18 | """Viewport implementation that alleviates the problem with improper
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19 | resizing by the VBox."""
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20 | def __init__(self):
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21 | """Construct the viewport."""
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22 | gtk.Viewport.__init__(self)
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23 | self._recursive = False
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24 | self._vboxHeight = None
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25 |
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26 | def setVBOXHeight(self, vboxHeight):
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27 | """Set the height of the VBox which will be used to calculate the
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28 | viewport's height."""
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29 | self._vboxHeight = vboxHeight
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30 |
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31 | def do_size_allocate(self, allocation):
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32 | """Called when the viewport's size is allocated.
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33 |
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34 | The height in the allocation object is modified so that it is only
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35 | so high to fit into the VBox."""
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36 | if self._vboxHeight is not None:
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37 | allocation.y += 1
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38 | allocation.height = self._vboxHeight - allocation.y
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39 | self._vboxHeight = None
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40 | gtk.Viewport.do_size_allocate(self, allocation)
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41 |
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42 | class DelayCodeTableBase(gtk.VBox, gtk.Scrollable):
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43 | """PyGObject-specific base class for the delay code table."""
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44 | __gproperties__ = {
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45 | "vscroll-policy" : ( gtk.ScrollablePolicy,
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46 | "vscroll-policy",
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47 | "The vertical scrolling policy",
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48 | gtk.ScrollablePolicy.MINIMUM,
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49 | gobject.PARAM_READWRITE ),
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50 | "vadjustment" : ( gtk.Adjustment,
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51 | "vadjustment",
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52 | "The vertical adjustment",
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53 | gobject.PARAM_READWRITE ),
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54 | "hscroll-policy" : ( gtk.ScrollablePolicy,
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55 | "hscroll-policy",
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56 | "The horizontal scrolling policy",
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57 | gtk.ScrollablePolicy.MINIMUM,
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58 | gobject.PARAM_READWRITE ),
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59 | "hadjustment" : ( gtk.Adjustment,
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60 | "hadjustment",
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61 | "The horizontal adjustment",
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62 | gobject.PARAM_READWRITE ) }
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63 |
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64 |
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65 | @staticmethod
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66 | def _createViewport():
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67 | """Create an instance of the viewport class used by this base class."""
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68 | return Viewport()
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69 |
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70 | def __init__(self):
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71 | """Construct the delay code table."""
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72 | super(DelayCodeTableBase, self).__init__()
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73 |
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74 | def do_size_allocate(self, allocation):
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75 | """Allocate the size for the table and its children.
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76 |
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77 | This sets up the VBox height in the viewport and then calls the
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78 | do_size_allocate() function of VBox()."""
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79 | self._viewport.setVBOXHeight(allocation.height)
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80 | gtk.VBox.do_size_allocate(self, allocation)
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81 | self.allocate_column_sizes(allocation)
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82 |
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83 | def do_get_property(self, prop):
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84 | """Get the value of one of the properties defined above.
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85 |
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86 | The request is forwarded to the viewport."""
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87 | if prop.name=="vscroll-policy":
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88 | return self._viewport.get_vscroll_policy()
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89 | elif prop.name=="hscroll-policy":
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90 | return self._viewport.get_hscroll_policy()
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91 | elif prop.name=="vadjustment":
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92 | return self._viewport.get_vadjustment()
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93 | elif prop.name=="hadjustment":
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94 | return self._viewport.get_hadjustment()
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95 | else:
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96 | raise AttributeError("mlx.gui.delaycodes.DelayCodeTableBase: property %s is not handled in do_get_property" %
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97 | (prop.name,))
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98 |
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99 | def do_set_property(self, prop, value):
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100 | """Set the value of the adjustment properties defined above.
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101 |
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102 | The adjustments are forwarded to the viewport."""
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103 | if prop.name=="vadjustment":
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104 | self._viewport.set_vadjustment(value)
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105 | elif prop.name=="hadjustment":
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106 | self._viewport.set_hadjustment(value)
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107 | self._treeView.set_hadjustment(value)
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108 | else:
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109 | raise AttributeError("mlx.gui.delaycodes.DelayCodeTableBase: property %s is not handled in do_set_property" %
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110 | (prop.name,))
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111 |
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112 | def setStyle(self):
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113 | """Set the style of the event box from the treeview."""
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114 |
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115 | class Alignment(gtk.Alignment):
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116 | """An alignment that remembers the width it was given."""
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117 | def __init__(self, xalign = 0.0, yalign=0.0,
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118 | xscale = 0.0, yscale = 0.0 ):
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119 | """Construct the alignment."""
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120 | super(Alignment, self).__init__(xalign = xalign, yalign = yalign,
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121 | xscale = xscale, yscale = yscale)
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122 | self.allocatedWidth = 0
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123 |
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124 | def do_size_allocate(self, allocation):
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125 | """Called with the new size allocation."""
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126 | self.allocatedWidth = allocation.width
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127 | gtk.Alignment.do_size_allocate(self, allocation)
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128 |
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129 | class TreeView(gtk.TreeView):
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130 | def do_size_allocate(self, allocation):
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131 | allocation.height += 1
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132 | gtk.TreeView.do_size_allocate(self, allocation)
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133 |
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134 | #------------------------------------------------------------------------------
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135 |
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136 | else: # pygobject
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137 |
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138 | #------------------------------------------------------------------------------
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139 |
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140 | class DelayCodeTableBase (gtk.VBox):
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141 | """Base class of the delay code table for PyGtk."""
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142 |
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143 | __gsignals__ = {
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144 | "set-scroll-adjustments": (
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145 | gobject.SIGNAL_RUN_LAST,
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146 | gobject.TYPE_NONE, (gtk.Adjustment, gtk.Adjustment))
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147 | }
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148 |
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149 | @staticmethod
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150 | def _createViewport():
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151 | """Create an instance of the viewport class used by this base class."""
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152 | return gtk.Viewport()
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153 |
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154 | def __init__(self):
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155 | """Construct the base class."""
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156 | super(DelayCodeTableBase, self).__init__()
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157 | self.set_set_scroll_adjustments_signal("set-scroll-adjustments")
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158 | self.connect("size-allocate", self._do_size_allocate)
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159 |
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160 | def do_set_scroll_adjustments(self, hAdjustment, vAdjustment):
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161 | """Set the adjustments on the viewport."""
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162 | self._viewport.set_hadjustment(hAdjustment)
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163 | self._viewport.set_vadjustment(vAdjustment)
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164 | self._treeView.set_hadjustment(hAdjustment)
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165 |
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166 | def _do_size_allocate(self, widget, allocation):
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167 | """Handler of the size-allocate signal.
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168 |
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169 | Calls allocate_column_sizes()."""
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170 | self.allocate_column_sizes(allocation)
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171 |
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172 | def setStyle(self):
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173 | """Set the style of the event box from the treeview."""
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174 | if self._treeView is not None:
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175 | style = self._treeView.rc_get_style()
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176 | self._eventBox.modify_bg(0, style.bg[2])
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177 | self._eventBox.modify_fg(0, style.fg[2])
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178 |
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179 | class Alignment(gtk.Alignment):
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180 | """An alignment that remembers the width it was given."""
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181 | def __init__(self, xalign = 0.0, yalign=0.0,
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182 | xscale = 0.0, yscale = 0.0 ):
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183 | """Construct the alignment."""
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184 | super(Alignment, self).__init__(xalign = xalign, yalign = yalign,
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185 | xscale = xscale, yscale = yscale)
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186 | self.allocatedWidth = 0
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187 | self.connect("size-allocate", self._do_size_allocate)
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188 |
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189 | def _do_size_allocate(self, widget, allocation):
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190 | """Called with the new size allocation."""
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191 | self.allocatedWidth = allocation.width
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192 |
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193 | #------------------------------------------------------------------------------
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194 |
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195 | class CheckButton(gtk.CheckButton):
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196 | """A check button that contains a reference to a row in the delay code
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197 | data table."""
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198 | def __init__(self, delayCodeRow):
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199 | """Construct the check button."""
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200 | super(CheckButton, self).__init__()
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201 | self.delayCodeRow = delayCodeRow
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202 |
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203 | #------------------------------------------------------------------------------
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204 |
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205 | # CAPTION = 1
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206 |
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207 | # DELAYCODE = 2
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208 |
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209 | # _data1 = ( lambda row: row[0].strip(),
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210 | # ["Num", "Code", "Title", "Description"],
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211 | # [ (CAPTION, "Others"),
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212 | # (DELAYCODE, (" 6", "OA ", "NO GATES/STAND AVAILABLE",
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213 | # "Due to own airline activity")),
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214 | # (DELAYCODE, ("9", "SG", "SCHEDULED GROUND TIME",
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215 | # "Planned turnaround time less than declared minimum")),
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216 | # (CAPTION, "Passenger and baggage"),
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217 | # (DELAYCODE, ("11", "PD", "LATE CHECK-IN",
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218 | # "Check-in reopened for late passengers")),
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219 | # (DELAYCODE, ("12", "PL", "LATE CHECK-IN",
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220 | # "Check-in not completed by flight closure time")),
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221 | # (DELAYCODE, ("13", "PE", "CHECK-IN ERROR",
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222 | # "Error with passenger or baggage details")) ] )
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223 |
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224 | # _data2 = ( lambda row: row[0].strip(),
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225 | # ["MA", "IATA", "Description"],
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226 | # [ (CAPTION, "Passenger and baggage"),
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227 | # (DELAYCODE, (" 012", "01 ",
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228 | # "Late shipping of parts and/or materials")),
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229 | # (DELAYCODE, (" 111", "11",
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230 | # "Check-in reopened for late passengers")),
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231 | # (DELAYCODE, (" 121", "12",
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232 | # "Check-in not completed by flight closure time")),
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233 | # (DELAYCODE, (" 132", "13",
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234 | # "Error with passenger or baggage details"))
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235 | # ])
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236 |
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237 | #------------------------------------------------------------------------------
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238 |
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239 | class DelayCodeTable(DelayCodeTableBase):
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240 | """The delay code table."""
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241 | def __init__(self, info):
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242 | """Construct the delay code table."""
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243 | super(DelayCodeTable, self).__init__()
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244 |
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245 | self._info = info
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246 |
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247 | self._delayCodeData = None
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248 |
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249 | self._treeView = TreeView(gtk.ListStore(str, str))
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250 | self._treeView.set_rules_hint(True)
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251 |
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252 | self.pack_start(self._treeView, False, False, 0)
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253 |
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254 | self._alignments = []
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255 | self._checkButtons = []
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256 |
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257 | self._eventBox = gtk.EventBox()
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258 |
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259 | self._table = None
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260 |
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261 | self._viewport = self._createViewport()
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262 | self._viewport.add(self._eventBox)
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263 | self._viewport.set_shadow_type(SHADOW_NONE)
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264 |
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265 | self.pack_start(self._viewport, True, True, 0)
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266 |
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267 | self._previousWidth = 0
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268 |
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269 | @property
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270 | def delayCodes(self):
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271 | """Get a list of the delay codes checked by the user."""
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272 | codes = []
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273 |
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274 | if self._delayCodeData is not None:
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275 | codeExtractor = self._delayCodeData[0]
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276 | for checkButton in self._checkButtons:
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277 | if checkButton.get_active():
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278 | codes.append(codeExtractor(checkButton.delayCodeRow))
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279 |
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280 | return codes
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281 |
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282 | @property
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283 | def hasDelayCode(self):
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284 | """Determine if there is at least one delay code selected."""
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285 | if self._delayCodeData is not None:
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286 | for checkButton in self._checkButtons:
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287 | if checkButton.get_active():
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288 | return True
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289 |
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290 | return False
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291 |
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292 | def allocate_column_sizes(self, allocation):
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293 | """Allocate the column sizes."""
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294 | if allocation.width!=self._previousWidth:
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295 | self._previousWidth = allocation.width
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296 | index = 0
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297 | lastIndex = len(self._alignments) - 1
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298 | for alignment in self._alignments:
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299 | column = self._treeView.get_column(index)
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300 | width = alignment.allocatedWidth
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301 | width += 8 if (index==0 or index==lastIndex) else 16
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302 | column.set_fixed_width(width)
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303 | index += 1
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304 |
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305 | def setType(self, aircraftType):
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306 | """Setup the delay code table according to the given aircraft type."""
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307 | self._delayCodeData = data = getTable(aircraftType)
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308 | if data is None:
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309 | return
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310 |
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311 | columns = self._treeView.get_columns()
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312 | for column in columns:
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313 | self._treeView.remove_column(column)
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314 |
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315 | (_extractor, headers, rows) = data
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316 | numColumns = len(headers) + 1
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317 | numRows = len(rows)
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318 |
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319 | column = gtk.TreeViewColumn("", gtk.CellRendererText())
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320 | column.set_sizing(TREE_VIEW_COLUMN_FIXED)
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321 | self._treeView.append_column(column)
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322 |
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323 | for header in headers:
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324 | column = gtk.TreeViewColumn(header, gtk.CellRendererText())
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325 | column.set_sizing(TREE_VIEW_COLUMN_FIXED)
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326 | self._treeView.append_column(column)
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327 |
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328 | self._table = gtk.Table(numRows, numColumns)
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329 | self._table.set_homogeneous(False)
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330 | self._table.set_col_spacings(16)
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331 | self._table.set_row_spacings(4)
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332 | self._eventBox.add(self._table)
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333 |
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334 | self._alignments = []
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335 | self._checkButtons = []
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336 |
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337 | firstDelayCodeRow = True
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338 | for i in range(0, numRows):
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339 | (type, elements) = rows[i]
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340 | if type==CAPTION:
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341 | alignment = gtk.Alignment(xalign = 0.0, yalign = 0.5,
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342 | xscale = 1.0)
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343 | label = gtk.Label("<b>" + elements + "</b>")
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344 | label.set_use_markup(True)
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345 | label.set_alignment(0.0, 0.5)
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346 | alignment.add(label)
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347 | self._table.attach(alignment, 1, numColumns, i, i+1,
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348 | yoptions = FILL)
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349 | self._table.set_row_spacing(i, 8)
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350 | elif type==DELAYCODE:
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351 | checkButton = CheckButton(elements)
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352 | checkButton.connect("toggled", self._delayCodesChanged)
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353 | self._checkButtons.append(checkButton)
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354 | alignment = Alignment(xalign = 0.5, yalign = 0.5, xscale = 1.0)
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355 | alignment.add(checkButton)
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356 | self._table.attach(alignment, 0, 1, i, i+1,
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357 | xoptions = FILL, yoptions = FILL)
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358 | if firstDelayCodeRow:
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359 | self._alignments.append(alignment)
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360 |
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361 | for j in range(0, numColumns-1):
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362 | label = gtk.Label(elements[j])
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363 | label.set_alignment(0.0, 0.5)
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364 | alignment = Alignment(xalign = 0.5, yalign = 0.5,
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365 | xscale = 1.0)
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366 | alignment.add(label)
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367 | xoptions = FILL
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368 | if j==(numColumns-2): xoptions |= EXPAND
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369 | self._table.attach(alignment, j+1, j+2, i, i+1,
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370 | xoptions = xoptions, yoptions = FILL)
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371 | if firstDelayCodeRow:
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372 | self._alignments.append(alignment)
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373 | firstDelayCodeRow = False
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374 |
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375 | self._previousWidth = 0
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376 | self.show_all()
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377 |
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378 | def reset(self):
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379 | """Reset the delay code table."""
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380 | columns = self._treeView.get_columns()
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381 | for column in columns:
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382 | self._treeView.remove_column(column)
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383 | if self._table is not None:
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384 | self._eventBox.remove(self._table)
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385 | self._table = None
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386 | self.show_all()
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387 |
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388 | def activateCode(self, code):
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389 | """Check the checkbox for the given code."""
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390 | index = 0
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391 | for (type, data) in self._delayCodeData[2]:
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392 | if type==DELAYCODE:
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393 | if code==data[0].strip():
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394 | self._checkButtons[index].set_active(True)
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395 | break
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396 | index += 1
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397 |
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398 | def _delayCodesChanged(self, button):
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399 | """Called when one of the delay codes have changed."""
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400 | self._info.delayCodesChanged()
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401 |
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402 | #------------------------------------------------------------------------------
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