1 |
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2 | from .common import *
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3 |
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4 | from mlx.i18n import xstr
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5 | import mlx.const as const
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6 | import mlx.config as config
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7 |
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8 | import os
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9 | import re
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10 |
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11 | #------------------------------------------------------------------------------
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12 |
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13 | ## @package mlx.gui.callouts
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14 | #
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15 | # Editor dialog for approach callouts.
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16 | #
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17 | # The dialog consists of an aircraft type selector box at the top, and a table
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18 | # with two buttons below it. The table contains the callout files with the
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19 | # corresponding altitudes, and is sorted according to the altitude. When a new
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20 | # file is added, the program finds out a new altitude for it. If the file's
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21 | # name contains numbers that are not used as altitudes yet, the most suitable
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22 | # of those numbers will be used. Otherwise a 'usual' altitude is searched for,
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23 | # in the direction according to the sort order, and if that fails too, the
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24 | # altitudes are tried one-by-one. See the
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25 | # \ref ApproachCalloutsEditor._getNewAltitude function for more details.
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26 |
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27 | #------------------------------------------------------------------------------
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28 |
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29 | class ApproachCalloutsEditor(gtk.Dialog):
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30 | """The dialog to edit the approach callouts."""
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31 | integerRE = re.compile("[0-9]+")
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32 |
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33 | # A list of "usual" altitudes for callouts
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34 | _usualAltitudes = [10, 20, 30, 40, 50, 100, 200, 300, 400, 500, 1000,
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35 | 1500, 2000, 2500, 3000, 3500, 4000, 4500, 5000]
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36 |
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37 | @staticmethod
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38 | def _getNextUsualAltitude(altitude, descending):
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39 | """Get the next altitude coming after the given one in the
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40 | given direction."""
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41 | if descending:
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42 | previous = None
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43 | for alt in ApproachCalloutsEditor._usualAltitudes:
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44 | if alt>=altitude: return previous
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45 | previous = alt
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46 | else:
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47 | for alt in ApproachCalloutsEditor._usualAltitudes:
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48 | if alt>altitude: return alt
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49 |
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50 | return None
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51 |
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52 | def __init__(self, gui):
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53 | super(ApproachCalloutsEditor, self).__init__(WINDOW_TITLE_BASE + " - " +
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54 | xstr("callouts_title"),
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55 | gui.mainWindow,
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56 | DIALOG_MODAL)
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57 |
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58 | self.add_button(xstr("button_cancel"), RESPONSETYPE_REJECT)
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59 | self.add_button(xstr("button_ok"), RESPONSETYPE_ACCEPT)
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60 |
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61 | self._gui = gui
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62 | self._approachCallouts = {}
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63 | self._currentAircraftType = const.aircraftTypes[0]
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64 | self._fileOpenDialog = None
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65 |
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66 | contentArea = self.get_content_area()
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67 |
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68 | # FIXME: common code with the checklist editor
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69 | typeBox = gtk.HBox()
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70 |
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71 | label = gtk.Label(xstr("callouts_aircraftType"))
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72 | label.set_use_underline(True)
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73 |
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74 | typeBox.pack_start(label, False, False, 4)
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75 |
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76 | self._aircraftTypeModel = gtk.ListStore(str, int)
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77 | for type in const.aircraftTypes:
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78 | name = aircraftNames[type] if type in aircraftNames \
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79 | else "Aircraft type #%d" % (type,)
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80 | self._aircraftTypeModel.append([name, type])
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81 | self._aircraftType = gtk.ComboBox(model = self._aircraftTypeModel)
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82 | renderer = gtk.CellRendererText()
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83 | self._aircraftType.pack_start(renderer, True)
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84 | self._aircraftType.add_attribute(renderer, "text", 0)
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85 | self._aircraftType.set_tooltip_text(xstr("callouts_aircraftType_tooltip"))
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86 | self._aircraftType.set_active(0)
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87 | self._aircraftType.connect("changed", self._aircraftTypeChanged)
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88 | label.set_mnemonic_widget(self._aircraftType)
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89 |
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90 | typeBox.pack_start(self._aircraftType, True, True, 4)
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91 |
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92 | typeBoxAlignment = gtk.Alignment(xalign = 0.5, yalign = 0.5,
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93 | xscale = 0.0, yscale = 0.0)
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94 | typeBoxAlignment.set_size_request(400, -1)
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95 | typeBoxAlignment.add(typeBox)
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96 |
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97 | contentArea.pack_start(typeBoxAlignment, False, False, 12)
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98 | # FIXME: common code until here, but note that some texts are different
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99 |
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100 | contentBox = gtk.HBox()
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101 |
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102 | controlBox = gtk.VBox()
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103 | controlAlignment = gtk.Alignment(xalign = 0.0, yalign = 0.0,
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104 | xscale = 0.0, yscale = 0.0)
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105 | controlAlignment.set_padding(padding_top = 0, padding_bottom = 0,
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106 | padding_left = 32, padding_right = 32)
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107 | controlAlignment.add(controlBox)
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108 | contentBox.pack_start(controlAlignment, False, False, 0)
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109 |
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110 | self._addButton = gtk.Button(xstr("callouts_add"))
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111 | self._addButton.set_use_underline(True)
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112 | self._addButton.set_tooltip_text(xstr("callouts_add_tooltip"))
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113 | self._addButton.connect("clicked", self._addButtonClicked)
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114 | addAlignment = gtk.Alignment(xalign = 0.5, yalign = 0.0,
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115 | xscale = 0.0, yscale = 0.0)
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116 | addAlignment.set_padding(padding_top = 24, padding_bottom = 0,
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117 | padding_left = 0, padding_right = 0)
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118 | addAlignment.add(self._addButton)
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119 | controlBox.pack_start(addAlignment, False, False, 0)
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120 |
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121 | self._removeButton = gtk.Button(xstr("callouts_remove"))
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122 | self._removeButton.set_use_underline(True)
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123 | self._removeButton.set_tooltip_text(xstr("callouts_remove_tooltip"))
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124 | self._removeButton.set_sensitive(False)
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125 | self._removeButton.connect("clicked", self._removeButtonClicked)
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126 |
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127 | removeAlignment = gtk.Alignment(xalign = 0.5, yalign = 0.0,
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128 | xscale = 0.0, yscale = 0.0)
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129 | removeAlignment.set_padding(padding_top = 24, padding_bottom = 0,
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130 | padding_left = 0, padding_right = 0)
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131 | removeAlignment.add(self._removeButton)
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132 | controlBox.pack_start(removeAlignment, False, False, 0)
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133 |
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134 | self._fileListModel = gtk.ListStore(int, str, str)
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135 | self._fileListModel.set_sort_column_id(0, SORT_DESCENDING)
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136 |
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137 | self._addingFile = False
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138 | self._fileListModel.connect("row-inserted", self._fileAdded)
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139 | self._lastAddedAltitude = None
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140 |
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141 | self._fileList = gtk.TreeView(model = self._fileListModel)
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142 |
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143 | renderer = gtk.CellRendererSpin()
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144 | renderer.set_property("editable", True)
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145 |
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146 | adjustment = gtk.Adjustment(0, 0, 5000, 10, 100)
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147 | renderer.set_property("adjustment", adjustment);
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148 | renderer.connect("edited", self._altitudeEdited)
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149 |
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150 | column = gtk.TreeViewColumn(xstr("callouts_header_altitude"),
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151 | renderer, text = 0)
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152 | self._fileList.append_column(column)
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153 | column.set_expand(True)
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154 | column.set_clickable(True)
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155 | column.set_reorderable(False)
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156 | column.set_sort_indicator(True)
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157 | column.set_sort_column_id(0)
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158 | column.set_sort_order(SORT_DESCENDING)
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159 | column.set_expand(False)
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160 |
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161 | column = gtk.TreeViewColumn(xstr("callouts_header_path"),
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162 | gtk.CellRendererText(), text = 1)
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163 | self._fileList.append_column(column)
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164 | column.set_expand(True)
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165 | column.set_clickable(False)
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166 | column.set_reorderable(False)
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167 | column.set_expand(True)
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168 |
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169 | self._fileList.set_tooltip_column(2)
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170 | self._fileList.set_size_request(300, -1)
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171 | self._fileList.set_reorderable(False)
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172 | self._fileList.connect("button-press-event",
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173 | self._fileListButtonPressed)
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174 | selection = self._fileList.get_selection()
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175 | selection.set_mode(SELECTION_MULTIPLE)
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176 | selection.connect("changed", self._fileListSelectionChanged)
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177 |
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178 | self._buildFileListPopupMenu()
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179 |
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180 | scrolledWindow = gtk.ScrolledWindow()
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181 | scrolledWindow.add(self._fileList)
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182 | scrolledWindow.set_size_request(300, -1)
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183 | scrolledWindow.set_policy(POLICY_AUTOMATIC, POLICY_AUTOMATIC)
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184 | scrolledWindow.set_shadow_type(SHADOW_IN)
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185 |
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186 | fileListAlignment = gtk.Alignment(xscale=1.0, yscale=1.0,
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187 | xalign=0.5, yalign=0.5)
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188 | fileListAlignment.set_padding(padding_top = 0, padding_bottom = 16,
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189 | padding_left = 0, padding_right = 8)
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190 | fileListAlignment.add(scrolledWindow)
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191 |
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192 | contentBox.pack_start(fileListAlignment, False, False, 4)
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193 |
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194 | contentArea.pack_start(contentBox, True, True, 4)
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195 |
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196 | self.set_size_request(-1, 300)
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197 |
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198 | def run(self):
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199 | """Run the approach callouts editor dialog."""
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200 | self._approachCallouts = {}
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201 | self._displayCurrentApproachCallouts()
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202 | self.show_all()
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203 | response = super(ApproachCalloutsEditor, self).run()
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204 | self.hide()
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205 |
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206 | if response==RESPONSETYPE_ACCEPT:
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207 | self._saveApproachCallouts()
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208 | config = self._gui.config
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209 | for (aircraftType, approachCallouts) in \
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210 | self._approachCallouts.items():
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211 | config.setApproachCallouts(aircraftType, approachCallouts)
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212 | config.save()
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213 |
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214 | def _aircraftTypeChanged(self, comboBox):
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215 | """Called when the aircraft's type has changed."""
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216 | self._saveApproachCallouts()
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217 | self._displayCurrentApproachCallouts()
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218 |
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219 | def _addButtonClicked(self, button):
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220 | """Called when the Add button is clicked."""
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221 | dialog = self._getFileOpenDialog()
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222 |
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223 | dialog.show_all()
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224 | result = dialog.run()
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225 | dialog.hide()
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226 |
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227 | if result==RESPONSETYPE_OK:
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228 | filePath = dialog.get_filename()
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229 | baseName = os.path.basename(filePath)
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230 | altitude = self._getNewAltitude(baseName)
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231 | self._addingFile = True
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232 | self._lastAddedAltitude = altitude
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233 | self._fileListModel.append([altitude, baseName, filePath])
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234 | self._addingFile = False
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235 |
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236 | def _fileAdded(self, model, path, iter):
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237 | """Called when a file is added to the list of callouts.
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238 |
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239 | Makes the treeview to edit the altitude in the given row."""
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240 | if self._addingFile:
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241 | gobject.idle_add(self._selectFile)
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242 | self._fileList.grab_focus()
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243 | self.grab_focus()
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244 |
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245 | def _selectFile(self):
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246 | """Select the file with the last added altitude."""
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247 | if self._lastAddedAltitude is None: return
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248 |
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249 | model = self._fileListModel
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250 | iter = model.get_iter_first()
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251 | while iter is not None:
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252 | if model.get_value(iter, 0)==self._lastAddedAltitude: break
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253 | iter = model.iter_next(iter)
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254 | if iter is not None:
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255 | self._fileList.set_cursor(model.get_path(iter),
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256 | self._fileList.get_column(0), True)
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257 | self._lastAddedAltitude = None
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258 |
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259 | def _removeButtonClicked(self, button):
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260 | """Called when the Remove button is clicked."""
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261 | self._removeSelected()
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262 |
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263 | def _removeSelected(self):
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264 | """Remove the selected files."""
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265 | selection = self._fileList.get_selection()
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266 | (model, paths) = selection.get_selected_rows()
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267 |
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268 | iters = [model.get_iter(path) for path in paths]
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269 |
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270 | for i in iters:
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271 | if i is not None:
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272 | model.remove(i)
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273 |
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274 | def _fileListSelectionChanged(self, selection):
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275 | """Called when the selection in the file list changes."""
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276 | anySelected = selection.count_selected_rows()>0
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277 | self._removeButton.set_sensitive(anySelected)
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278 |
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279 | def _getAircraftType(self):
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280 | """Get the currently selected aircraft type."""
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281 | # FIXME: the same code as in the checklist editor
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282 | index = self._aircraftType.get_active()
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283 | return self._aircraftTypeModel[index][1]
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284 |
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285 | def _altitudeEdited(self, widget, path, value):
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286 | """Called when an altitude is edited"""
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287 | newAltitude = int(value)
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288 |
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289 | model = self._fileListModel
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290 | editedIter = model.get_iter_from_string(path)
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291 | editedPath = model.get_path(editedIter)
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292 | otherPath = self._hasAltitude(newAltitude, ignorePath = editedPath)
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293 | if otherPath is not None:
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294 | dialog = gtk.MessageDialog(parent = self,
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295 | type = MESSAGETYPE_QUESTION,
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296 | message_format =
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297 | xstr("callouts_altitude_clash"))
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298 | dialog.format_secondary_markup(xstr("callouts_altitude_clash_sec"))
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299 | dialog.add_button(xstr("button_no"), RESPONSETYPE_NO)
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300 | dialog.add_button(xstr("button_yes"), RESPONSETYPE_YES)
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301 | dialog.set_title(WINDOW_TITLE_BASE)
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302 |
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303 | result = dialog.run()
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304 | dialog.hide()
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305 |
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306 | if result!=RESPONSETYPE_YES:
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307 | newAltitude = None
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308 |
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309 | if newAltitude is not None:
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310 | model[editedPath][0] = newAltitude
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311 | if otherPath is not None:
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312 | model.remove(model.get_iter(otherPath))
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313 |
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314 | def _saveApproachCallouts(self):
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315 | """Save the currently displayed list of approach callouts for the
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316 | previously displayed aircraft type."""
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317 | mapping = {}
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318 | model = self._fileListModel
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319 | iter = model.get_iter_first()
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320 | while iter is not None:
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321 | altitude = int(model.get(iter, 0)[0])
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322 | path = model.get(iter, 2)[0]
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323 | mapping[altitude] = path
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324 | iter = model.iter_next(iter)
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325 |
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326 | self._approachCallouts[self._currentAircraftType] = \
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327 | config.ApproachCallouts(mapping)
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328 |
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329 | def _displayCurrentApproachCallouts(self):
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330 | """Display the approach callouts for the currently selected aircraft
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331 | type."""
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332 | aircraftType = self._getAircraftType()
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333 | self._currentAircraftType = aircraftType
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334 | if aircraftType not in self._approachCallouts:
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335 | self._approachCallouts[aircraftType] = \
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336 | self._gui.config.getApproachCallouts(aircraftType).clone()
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337 | approachCallouts = self._approachCallouts[aircraftType]
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338 |
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339 | self._fileListModel.clear()
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340 | for (altitude, path) in approachCallouts:
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341 | self._fileListModel.append([altitude, os.path.basename(path), path])
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342 |
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343 | def _getFileOpenDialog(self):
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344 | """Get the dialog to open a file.
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345 |
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346 | If it does not exist yet, it will be created."""
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347 | if self._fileOpenDialog is None:
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348 | dialog = gtk.FileChooserDialog(title = WINDOW_TITLE_BASE + " - " +
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349 | xstr("callouts_open_title"),
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350 | action = FILE_CHOOSER_ACTION_OPEN,
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351 | buttons = (gtk.STOCK_CANCEL,
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352 | RESPONSETYPE_CANCEL,
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353 | gtk.STOCK_OK, RESPONSETYPE_OK),
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354 | parent = self)
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355 | dialog.set_modal(True)
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356 | dialog.set_do_overwrite_confirmation(True)
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357 |
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358 | # FIXME: create the filters in one location and use them
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359 | # from there
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360 | filter = gtk.FileFilter()
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361 | filter.set_name(xstr("file_filter_audio"))
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362 | filter.add_pattern("*.wav")
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363 | filter.add_pattern("*.mp3")
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364 | dialog.add_filter(filter)
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365 |
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366 | filter = gtk.FileFilter()
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367 | filter.set_name(xstr("file_filter_all"))
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368 | filter.add_pattern("*.*")
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369 | dialog.add_filter(filter)
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370 |
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371 | self._fileOpenDialog = dialog
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372 |
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373 | return self._fileOpenDialog
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374 |
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375 | def _getNewAltitude(self, baseName):
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376 | """Get a new, unique altitude for the audio file with the given
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377 | base name.
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378 |
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379 | First the given file name is searched for suitable
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380 | numbers. Otherwise the smallest altitude in the model is
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381 | considered, and, depending on the actual ordering of the
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382 | table, a suitable smaller or greater value is found. It is
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383 | ensured that the number is unique, unless all numbers are
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384 | taken.
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385 |
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386 | If there is no entry in the table yet, 2500 is returned if the
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387 | table is sorted descending, 10 otherwise."""
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388 | altitude = self._getNewAltitudeFromFileName(baseName)
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389 | if altitude is not None: return altitude
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390 |
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391 | descending = self._fileList.get_column(0).get_sort_order()==SORT_DESCENDING
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392 | model = self._fileListModel
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393 | numEntries = model.iter_n_children(None)
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394 | if numEntries==0:
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395 | return 2500 if descending else 10
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396 | else:
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397 | selection = self._fileList.get_selection()
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398 | (_model, paths) = selection.get_selected_rows()
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399 |
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400 | if paths:
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401 | startIter = model.get_iter(max(paths))
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402 | else:
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403 | startIter = model.iter_nth_child(None, numEntries-1)
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404 |
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405 | startValue = model.get_value(startIter, 0)
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406 |
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407 | altitude = self._getNextValidUsualAltitude(startValue, descending)
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408 | if altitude is None:
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409 | altitude = self._getNextValidUsualAltitude(startValue,
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410 | not descending)
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411 |
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412 | if altitude is None:
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413 | for altitude in range(0 if descending else 4999,
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414 | 4999 if descending else 0,
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415 | 1 if descending else -1):
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416 | if not self._hasAltitude(altitude): break
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417 |
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418 | return altitude
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419 |
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420 | def _getNewAltitudeFromFileName(self, baseName):
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421 | """Get a new altitude value from the given file name.
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422 |
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423 | The name is traversed for numbers. If a number is less than
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424 | 5000 and there is no such altitude yet in the table, it is
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425 | checked if it is divisible by 100 or 1000, and if so, it gets
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426 | a score of 2. If it is divisible by 10, the score will be 1,
|
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427 | otherwise 0. The first highest scoring number is returned, if
|
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428 | there are any at all, otherwise None."""
|
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429 | candidateAltitude = None
|
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430 | candidateScore = None
|
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431 |
|
---|
432 | (baseName, _) = os.path.splitext(baseName)
|
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433 | numbers = ApproachCalloutsEditor.integerRE.findall(baseName)
|
---|
434 | for number in numbers:
|
---|
435 | value = int(number)
|
---|
436 | if value<5000 and not self._hasAltitude(value):
|
---|
437 | score = 2 if (value%100)==0 or (value%1000)==0 \
|
---|
438 | else 1 if (value%10)==0 else 0
|
---|
439 | if candidateAltitude is None or score>candidateScore:
|
---|
440 | candidateAltitude = value
|
---|
441 | candidateScore = score
|
---|
442 |
|
---|
443 | return candidateAltitude
|
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444 |
|
---|
445 | def _hasAltitude(self, altitude, ignorePath = None):
|
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446 | """Determine if the model already contains the given altitude
|
---|
447 | or not.
|
---|
448 |
|
---|
449 | ignorePath is a path in the model to ignore.
|
---|
450 |
|
---|
451 | Returns the path of the element found, if any, or None, if the
|
---|
452 | altitude is not found."""
|
---|
453 | model = self._fileListModel
|
---|
454 | iter = model.get_iter_first()
|
---|
455 | while iter is not None:
|
---|
456 | path = model.get_path(iter)
|
---|
457 | if path!=ignorePath and altitude==model[path][0]:
|
---|
458 | return path
|
---|
459 | iter = model.iter_next(iter)
|
---|
460 |
|
---|
461 | return None
|
---|
462 |
|
---|
463 | def _getNextValidUsualAltitude(self, startValue, descending):
|
---|
464 | """Get the next valid usual altitude."""
|
---|
465 | value = startValue
|
---|
466 | while value is not None and self._hasAltitude(value):
|
---|
467 | value = \
|
---|
468 | ApproachCalloutsEditor._getNextUsualAltitude(value,
|
---|
469 | descending)
|
---|
470 |
|
---|
471 | return value
|
---|
472 |
|
---|
473 | def _fileListButtonPressed(self, widget, event):
|
---|
474 | """Called when a mouse button is pressed on the file list."""
|
---|
475 | if event.type!=EVENT_BUTTON_PRESS or event.button!=3:
|
---|
476 | return
|
---|
477 |
|
---|
478 | menu = self._fileListPopupMenu
|
---|
479 | if pygobject:
|
---|
480 | menu.popup(None, None, None, None, event.button, event.time)
|
---|
481 | else:
|
---|
482 | menu.popup(None, None, None, event.button, event.time)
|
---|
483 |
|
---|
484 | def _buildFileListPopupMenu(self):
|
---|
485 | """Build the file list popup menu."""
|
---|
486 | menu = gtk.Menu()
|
---|
487 |
|
---|
488 | menuItem = gtk.MenuItem()
|
---|
489 | menuItem.set_label(xstr("callouts_remove"))
|
---|
490 | menuItem.set_use_underline(True)
|
---|
491 | menuItem.connect("activate", self._popupRemove)
|
---|
492 | menuItem.show()
|
---|
493 | self._popupRemoveItem = menuItem
|
---|
494 |
|
---|
495 | menu.append(menuItem)
|
---|
496 |
|
---|
497 | self._fileListPopupMenu = menu
|
---|
498 |
|
---|
499 | def _popupRemove(self, menuItem):
|
---|
500 | """Remove the currently selected menu items."""
|
---|
501 | self._removeSelected()
|
---|
502 |
|
---|
503 | #------------------------------------------------------------------------------
|
---|