eric6/Project/LexerAssociationDialog.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
91e843545d9a
child 8143
2c730d5fd177
permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2021 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 enter lexer associations for the project.
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8 """
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9
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10 import os
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11
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12 from PyQt5.QtCore import Qt, pyqtSlot
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13 from PyQt5.QtWidgets import QHeaderView, QTreeWidgetItem, QDialog
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14
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15 from .Ui_LexerAssociationDialog import Ui_LexerAssociationDialog
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16
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17
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18 class LexerAssociationDialog(QDialog, Ui_LexerAssociationDialog):
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19 """
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20 Class implementing a dialog to enter lexer associations for the project.
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21 """
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22 def __init__(self, project, parent=None):
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23 """
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24 Constructor
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25
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26 @param project reference to the project object
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27 @param parent reference to the parent widget (QWidget)
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28 """
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29 super(LexerAssociationDialog, self).__init__(parent)
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30 self.setupUi(self)
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31
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32 self.editorLexerList.headerItem().setText(
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33 self.editorLexerList.columnCount(), "")
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34 header = self.editorLexerList.header()
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35 header.setSectionResizeMode(QHeaderView.ResizeToContents)
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36 header.setSortIndicator(0, Qt.AscendingOrder)
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37
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38 try:
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39 self.extsep = os.extsep
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40 except AttributeError:
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41 self.extsep = "."
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42
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43 self.extras = ["-----------", self.tr("Alternative")]
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44
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45 import QScintilla.Lexers
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46 languages = (
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47 [''] +
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48 sorted(QScintilla.Lexers.getSupportedLanguages().keys()) +
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49 self.extras
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50 )
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51 for lang in languages:
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52 self.editorLexerCombo.addItem(
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53 QScintilla.Lexers.getLanguageIcon(lang, False),
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54 lang)
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55
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56 from pygments.lexers import get_all_lexers
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57 pygmentsLexers = [''] + sorted(lex[0] for lex in get_all_lexers())
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58 self.pygmentsLexerCombo.addItems(pygmentsLexers)
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59
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60 # set initial values
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61 self.project = project
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62 for ext, lexer in list(self.project.pdata["LEXERASSOCS"].items()):
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63 QTreeWidgetItem(self.editorLexerList, [ext, lexer])
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64 self.editorLexerList.sortByColumn(0, Qt.AscendingOrder)
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65
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66 @pyqtSlot()
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67 def on_addLexerButton_clicked(self):
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68 """
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69 Private slot to add the lexer association displayed to the list.
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70 """
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71 ext = self.editorFileExtEdit.text()
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72 if ext.startswith(self.extsep):
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73 ext.replace(self.extsep, "")
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74 lexer = self.editorLexerCombo.currentText()
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75 if lexer in self.extras:
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76 pygmentsLexer = self.pygmentsLexerCombo.currentText()
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77 if not pygmentsLexer:
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78 lexer = pygmentsLexer
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79 else:
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80 lexer = "Pygments|{0}".format(pygmentsLexer)
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81 if ext and lexer:
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82 itmList = self.editorLexerList.findItems(
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83 ext, Qt.MatchFlags(Qt.MatchExactly), 0)
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84 if itmList:
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85 index = self.editorLexerList.indexOfTopLevelItem(itmList[0])
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86 itm = self.editorLexerList.takeTopLevelItem(index)
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87 # __IGNORE_WARNING__
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88 del itm
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89 QTreeWidgetItem(self.editorLexerList, [ext, lexer])
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90 self.editorFileExtEdit.clear()
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91 self.editorLexerCombo.setCurrentIndex(0)
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92 self.pygmentsLexerCombo.setCurrentIndex(0)
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93 self.editorLexerList.sortItems(
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94 self.editorLexerList.sortColumn(),
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95 self.editorLexerList.header().sortIndicatorOrder())
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96
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97 @pyqtSlot()
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98 def on_deleteLexerButton_clicked(self):
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99 """
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100 Private slot to delete the currently selected lexer association of the
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101 list.
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102 """
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103 itmList = self.editorLexerList.selectedItems()
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104 if itmList:
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105 index = self.editorLexerList.indexOfTopLevelItem(itmList[0])
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106 itm = self.editorLexerList.takeTopLevelItem(index)
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107 # __IGNORE_WARNING__
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108 del itm
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109
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110 self.editorLexerList.clearSelection()
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111 self.editorFileExtEdit.clear()
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112 self.editorLexerCombo.setCurrentIndex(0)
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113
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114 def on_editorLexerList_itemClicked(self, itm, column):
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115 """
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116 Private slot to handle the clicked signal of the lexer association
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117 list.
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118
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119 @param itm reference to the selecte item (QTreeWidgetItem)
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120 @param column column the item was clicked or activated (integer)
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121 (ignored)
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122 """
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123 if itm is None:
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124 self.editorFileExtEdit.clear()
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125 self.editorLexerCombo.setCurrentIndex(0)
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126 self.pygmentsLexerCombo.setCurrentIndex(0)
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127 else:
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128 self.editorFileExtEdit.setText(itm.text(0))
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129 lexer = itm.text(1)
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130 if lexer.startswith("Pygments|"):
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131 pygmentsLexer = lexer.split("|")[1]
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132 pygmentsIndex = self.pygmentsLexerCombo.findText(pygmentsLexer)
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a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
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133 lexer = self.tr("Alternative")
0
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134 else:
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135 pygmentsIndex = 0
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136 index = self.editorLexerCombo.findText(lexer)
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137 self.editorLexerCombo.setCurrentIndex(index)
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138 self.pygmentsLexerCombo.setCurrentIndex(pygmentsIndex)
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139
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140 def on_editorLexerList_itemActivated(self, itm, column):
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141 """
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142 Private slot to handle the activated signal of the lexer association
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143 list.
0
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144
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145 @param itm reference to the selecte item (QTreeWidgetItem)
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146 @param column column the item was clicked or activated (integer)
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147 (ignored)
0
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148 """
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149 self.on_editorLexerList_itemClicked(itm, column)
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150
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151 @pyqtSlot(str)
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152 def on_editorLexerCombo_currentIndexChanged(self, text):
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153 """
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154 Private slot to handle the selection of a lexer.
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155
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156 @param text text of the line edit (string)
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157 """
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parents:
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158 if text in self.extras:
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parents:
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159 self.pygmentsLexerCombo.setEnabled(True)
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160 self.pygmentsLabel.setEnabled(True)
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161 else:
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162 self.pygmentsLexerCombo.setEnabled(False)
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163 self.pygmentsLabel.setEnabled(False)
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164
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165 def transferData(self):
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166 """
2995
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167 Public slot to transfer the associations into the projects data
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168 structure.
0
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169 """
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170 self.project.pdata["LEXERASSOCS"] = {}
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parents:
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171 for index in range(self.editorLexerList.topLevelItemCount()):
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parents:
diff changeset
172 itm = self.editorLexerList.topLevelItem(index)
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parents:
diff changeset
173 pattern = itm.text(0)
690
a2f8b36625e6 Fixed some py3flakes warnings.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 564
diff changeset
174 self.project.pdata["LEXERASSOCS"][pattern] = itm.text(1)

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