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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2008 - 2010 Detlev Offenbach <detlev@die-offenbachs.de> |
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4 # |
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5 |
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6 """ |
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7 Module implementing the Eric assistant plugin. |
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8 """ |
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9 |
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10 import sys |
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11 import os |
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12 |
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13 from PyQt4.QtCore import QObject, SIGNAL, QTranslator |
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14 from PyQt4.QtGui import QApplication |
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15 |
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16 from E5Gui.E5Application import e5App |
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17 |
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18 import Preferences |
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19 |
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20 from AssistantEric.Assistant import AcsAPIs, AcsProject |
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21 |
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22 # Start-Of-Header |
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23 name = "Assistant Eric Plugin" |
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24 author = "Detlev Offenbach <detlev@die-offenbachs.de>" |
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25 autoactivate = True |
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26 deactivateable = True |
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27 version = "2.0.0" |
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28 className = "AssistantEricPlugin" |
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29 packageName = "AssistantEric" |
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30 shortDescription = "Alternative autocompletion and calltips provider." |
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31 longDescription = """This plugin implements an alternative autocompletion and""" \ |
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32 """ calltips provider.""" |
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33 needsRestart = True |
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34 pyqtApi = 2 |
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35 # End-Of-Header |
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36 |
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37 error = "" |
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38 |
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39 assistantEricPluginObject = None |
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40 |
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41 def createAutoCompletionPage(configDlg): |
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42 """ |
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43 Module function to create the autocompletion configuration page. |
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44 |
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45 @return reference to the configuration page |
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46 """ |
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47 global assistantEricPluginObject |
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48 from AssistantEric.ConfigurationPages.AutoCompletionEricPage \ |
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49 import AutoCompletionEricPage |
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50 page = AutoCompletionEricPage(assistantEricPluginObject) |
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51 return page |
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52 |
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53 def createCallTipsPage(configDlg): |
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54 """ |
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55 Module function to create the calltips configuration page. |
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56 |
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57 @return reference to the configuration page |
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58 """ |
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59 global assistantEricPluginObject |
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60 from AssistantEric.ConfigurationPages.CallTipsEricPage \ |
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61 import CallTipsEricPage |
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62 page = CallTipsEricPage(assistantEricPluginObject) |
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63 return page |
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64 |
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65 def getConfigData(): |
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66 """ |
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67 Module function returning data as required by the configuration dialog. |
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68 |
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69 @return dictionary containing the relevant data |
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70 """ |
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71 return { |
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72 "ericAutoCompletionPage" : \ |
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73 [QApplication.translate("AssistantEricPlugin", "Eric"), |
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74 os.path.join("AssistantEric", "ConfigurationPages", |
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75 "eric.png"), |
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76 createAutoCompletionPage, "editorAutocompletionPage", None], |
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77 "ericCallTipsPage" : \ |
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78 [QApplication.translate("AssistantEricPlugin", "Eric"), |
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79 os.path.join("AssistantEric", "ConfigurationPages", |
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80 "eric.png"), |
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81 createCallTipsPage, "editorCalltipsPage", None], |
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82 } |
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83 |
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84 def prepareUninstall(): |
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85 """ |
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86 Module function to prepare for an uninstallation. |
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87 """ |
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88 assistant = AssistantEricPlugin(None) |
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89 assistant.prepareUninstall() |
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90 |
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91 class AssistantEricPlugin(QObject): |
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92 """ |
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93 Class implementing the Eric assistant plugin. |
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94 """ |
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95 def __init__(self, ui): |
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96 """ |
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97 Constructor |
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98 |
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99 @param ui reference to the user interface object (UI.UserInterface) |
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100 """ |
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101 QObject.__init__(self, ui) |
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102 self.__ui = ui |
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103 self.__initialize() |
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104 |
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105 self.__defaults = { |
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106 "AutoCompletionEnabled" : False, |
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107 "AutoCompletionSource" : AcsAPIs | AcsProject, |
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108 "CalltipsEnabled" : False, |
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109 "CallTipsContextShown" : 1, |
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110 } |
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111 |
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112 self.__translator = None |
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113 self.__loadTranslator() |
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114 |
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115 def __initialize(self): |
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116 """ |
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117 Private slot to (re)initialize the plugin. |
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118 """ |
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119 self.__object = None |
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120 |
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121 def __checkQSql(self): |
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122 """ |
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123 Private method to perform some checks on QSql. |
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124 |
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125 @return flag indicating QSql is ok (boolean) |
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126 """ |
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127 global error |
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128 |
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129 try: |
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130 from PyQt4.QtSql import QSqlDatabase |
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131 except ImportError: |
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132 error = self.trUtf8("PyQt4.QtSql is not available.") |
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133 return False |
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134 |
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135 drivers = QSqlDatabase.drivers() |
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136 if "QSQLITE" in drivers: |
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137 return True |
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138 else: |
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139 error = self.trUtf8("The SQLite database driver is not available.") |
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140 return False |
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141 |
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142 def activate(self): |
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143 """ |
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144 Public method to activate this plugin. |
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145 |
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146 @return tuple of None and activation status (boolean) |
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147 """ |
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148 global error |
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149 error = "" # clear previous error |
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150 |
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151 if not self.__checkQSql(): |
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152 return None, False |
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153 |
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154 global assistantEricPluginObject |
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155 assistantEricPluginObject = self |
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156 |
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157 from AssistantEric.Assistant import Assistant |
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158 |
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159 self.__object = Assistant(self, self.__ui) |
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160 e5App().registerPluginObject("AssistantEric", self.__object) |
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161 |
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162 self.__object.activate() |
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163 |
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164 return None, True |
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165 |
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166 def deactivate(self): |
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167 """ |
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168 Public method to deactivate this plugin. |
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169 """ |
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170 e5App().unregisterPluginObject("AssistantEric") |
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171 |
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172 self.__object.deactivate() |
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173 |
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174 self.__initialize() |
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175 |
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176 def __loadTranslator(self): |
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177 """ |
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178 Private method to load the translation file. |
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179 """ |
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180 if self.__ui is not None: |
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181 loc = self.__ui.getLocale() |
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182 if loc and loc != "C": |
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183 locale_dir = \ |
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184 os.path.join(os.path.dirname(__file__), "AssistantEric", "i18n") |
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185 translation = "assistant_%s" % loc |
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186 translator = QTranslator(None) |
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187 loaded = translator.load(translation, locale_dir) |
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188 if loaded: |
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189 self.__translator = translator |
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190 e5App().installTranslator(self.__translator) |
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191 else: |
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192 print("Warning: translation file '%s' could not be loaded." % \ |
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193 translation) |
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194 print("Using default.") |
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195 |
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196 def getPreferences(self, key): |
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197 """ |
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198 Public method to retrieve the various refactoring settings. |
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199 |
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200 @param key the key of the value to get |
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201 @param prefClass preferences class used as the storage area |
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202 @return the requested refactoring setting |
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203 """ |
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204 if key in ["AutoCompletionEnabled", "CalltipsEnabled"]: |
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205 return Preferences.toBool(Preferences.Prefs.settings.value( |
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206 "AssistantEric/" + key, self.__defaults[key])) |
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207 else: |
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208 return int(Preferences.Prefs.settings.value("AssistantEric/" + key, |
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209 self.__defaults[key])) |
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210 |
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211 def setPreferences(self, key, value): |
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212 """ |
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213 Public method to store the various refactoring settings. |
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214 |
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215 @param key the key of the setting to be set (string) |
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216 @param value the value to be set |
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217 @param prefClass preferences class used as the storage area |
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218 """ |
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219 Preferences.Prefs.settings.setValue("AssistantEric/" + key, value) |
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220 |
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221 if key in ["AutoCompletionEnabled", "CalltipsEnabled"]: |
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222 self.__object.setEnabled(key, value) |
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223 |
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224 def prepareUninstall(self): |
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225 """ |
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226 Public method to prepare for an uninstallation. |
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227 """ |
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228 Preferences.Prefs.settings.remove("AssistantEric") |
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229 |