eric6/Preferences/ConfigurationPages/EditorLanguageTabIndentOverrideDialog.py

Thu, 01 Oct 2020 17:46:14 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Thu, 01 Oct 2020 17:46:14 +0200
changeset 7732
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parent 7731
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child 7923
91e843545d9a
permissions
-rw-r--r--

Fixed some code style issues and one coding issue.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2019 - 2020 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 a dialog to set the tab and indentation width override for
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8 a language.
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9 """
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10
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11 from pygments.lexers import get_all_lexers
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12
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13 from PyQt5.QtCore import pyqtSlot
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14 from PyQt5.QtWidgets import QDialog, QDialogButtonBox
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15
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16 from .Ui_EditorLanguageTabIndentOverrideDialog import (
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17 Ui_EditorLanguageTabIndentOverrideDialog
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18 )
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19
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20
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21 class EditorLanguageTabIndentOverrideDialog(
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22 QDialog, Ui_EditorLanguageTabIndentOverrideDialog
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23 ):
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24 """
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25 Class implementing a dialog to set the tab and indentation width override
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26 for a language.
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27 """
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28 PygmentsMarker = "Pygments|"
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29
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30 def __init__(self, *, editMode=False, languages=None, tabWidth=0,
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31 indentWidth=0, parent=None):
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32 """
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33 Constructor
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34
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35 @keyparam editMode flag indicating the edit mode (Note: in edit mode
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36 the language is fixed)
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37 @type bool
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38 @keyparam languages list of existing languages (if in add mode) or
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39 a list containing the language to be edited
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40 @type list of str
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41 @keyparam tabWidth tab width to be set
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42 @type int
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43 @keyparam indentWidth indentation width to be set
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44 @type int
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45 @keyparam parent reference to the parent widget
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46 @type QWidget
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47 """
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48 super(EditorLanguageTabIndentOverrideDialog, self).__init__(parent)
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49 self.setupUi(self)
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50
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51 self.__extras = ["-----------", self.tr("Alternative")]
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52
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53 if editMode:
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54 self.languageComboBox.addItems(languages)
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55 else:
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56 self.__populateLanguages(languages)
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57 self.tabWidthSpinBox.setValue(tabWidth)
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58 self.indentWidthSpinBox.setValue(indentWidth)
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59
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60 def __populateLanguages(self, filterLanguages):
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61 """
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62 Private method to populate the language combo boxes.
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63
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64 @param filterLanguages list of languages to be filtered out
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65 @type list of str
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66 """
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67 import QScintilla.Lexers
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68 languages = list(
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69 QScintilla.Lexers.getSupportedLanguages().keys())
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70 for lang in filterLanguages:
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71 if lang in languages:
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72 languages.remove(lang)
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73 self.languageComboBox.addItems(
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74 [""] + sorted(languages) + self.__extras)
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75
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76 pygmentsLanguages = [lex[0] for lex in get_all_lexers()]
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77 for lang in filterLanguages:
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78 if lang.startswith(self.PygmentsMarker):
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79 lang = lang.replace(self.PygmentsMarker, "")
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80 if lang in pygmentsLanguages:
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81 pygmentsLanguages.remove(lang)
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82 self.pygmentsLexerCombo.addItems([""] + sorted(pygmentsLanguages))
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83
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84 def getData(self):
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85 """
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86 Public method to get the entered data.
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87
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88 @return tuple containing the language, the tab width and the
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89 indentation width
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90 @rtype tuple of (str, int, int)
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91 """
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92 language = self.languageComboBox.currentText()
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93 if language in self.__extras:
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94 pygmentsLanguage = self.pygmentsLexerCombo.currentText()
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95 language = self.PygmentsMarker + pygmentsLanguage
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96 return (
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97 language,
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98 self.tabWidthSpinBox.value(),
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99 self.indentWidthSpinBox.value(),
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100 )
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101
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102 def __updateOkButton(self):
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103 """
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104 Private method to set the enabled status of the OK button.
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105 """
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106 lang = self.languageComboBox.currentText()
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107 if lang in self.__extras:
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108 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(
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109 bool(self.pygmentsLexerCombo.currentText()))
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110 else:
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111 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(
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112 bool(lang))
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113
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114 @pyqtSlot(str)
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115 def on_languageComboBox_currentIndexChanged(self, lang):
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116 """
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117 Private slot to handle the selection of a language.
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118
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119 @param lang selected language
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120 @type str
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121 """
7731
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122 if lang in self.__extras:
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123 self.pygmentsLexerCombo.setEnabled(True)
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124 self.pygmentsLabel.setEnabled(True)
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125 else:
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126 self.pygmentsLexerCombo.setEnabled(False)
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127 self.pygmentsLabel.setEnabled(False)
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128
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129 self.__updateOkButton()
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130
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131 @pyqtSlot(str)
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132 def on_pygmentsLexerCombo_currentIndexChanged(self, lang):
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133 """
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parents: 7360
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134 Private slot to handle the selection of a language.
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135
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136 @param lang selected language
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137 @type str
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Detlev Offenbach <detlev@die-offenbachs.de>
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138 """
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Detlev Offenbach <detlev@die-offenbachs.de>
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139 self.__updateOkButton()

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