Project/LexerAssociationDialog.py

Sat, 02 Jan 2010 15:11:35 +0000

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 02 Jan 2010 15:11:35 +0000
changeset 12
1d8dd9706f46
parent 0
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child 13
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permissions
-rw-r--r--

First commit after changing to Python 3.1.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 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 pygments.lexers import get_all_lexers
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13
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14 from PyQt4.QtCore import Qt, pyqtSlot
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15 from PyQt4.QtGui import QHeaderView, QTreeWidgetItem, QDialog
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16
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17 import QScintilla.Lexers
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18
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19 from .Ui_LexerAssociationDialog import Ui_LexerAssociationDialog
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20
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21 class LexerAssociationDialog(QDialog, Ui_LexerAssociationDialog):
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22 """
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23 Class implementing a dialog to enter lexer associations for the project.
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24 """
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25 def __init__(self, project, parent = None):
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26 """
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27 Constructor
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28
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29 @param project reference to the project object
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30 @param parent reference to the parent widget (QWidget)
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31 """
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32 QDialog.__init__(self, parent)
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33 self.setupUi(self)
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34
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35 self.editorLexerList.headerItem().setText(self.editorLexerList.columnCount(), "")
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36 header = self.editorLexerList.header()
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37 header.setResizeMode(QHeaderView.ResizeToContents)
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38 header.setSortIndicator(0, Qt.AscendingOrder)
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39
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40 try:
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41 self.extsep = os.extsep
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42 except AttributeError:
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43 self.extsep = "."
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44
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45 self.extras = ["-----------", self.trUtf8("Alternative")]
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46 languages = \
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47 [''] + sorted(QScintilla.Lexers.getSupportedLanguages().keys()) + self.extras
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48 self.editorLexerCombo.addItems(languages)
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49
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50 pygmentsLexers = [''] + sorted([l[0] for l in get_all_lexers()])
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51 self.pygmentsLexerCombo.addItems(pygmentsLexers)
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52
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53 # set initial values
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54 self.project = project
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55 for ext, lexer in list(self.project.pdata["LEXERASSOCS"].items()):
0
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56 QTreeWidgetItem(self.editorLexerList, [ext, lexer])
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57 self.editorLexerList.sortByColumn(0, Qt.AscendingOrder)
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58
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59 @pyqtSlot()
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60 def on_addLexerButton_clicked(self):
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61 """
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62 Private slot to add the lexer association displayed to the list.
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63 """
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64 ext = self.editorFileExtEdit.text()
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65 if ext.startswith(self.extsep):
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66 ext.replace(self.extsep, "")
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67 lexer = self.editorLexerCombo.currentText()
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68 if lexer in self.extras:
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69 pygmentsLexer = self.pygmentsLexerCombo.currentText()
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70 if not pygmentsLexer:
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71 lexer = pygmentsLexer
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72 else:
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73 lexer = "Pygments|{0}".format(pygmentsLexer)
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74 if ext and lexer:
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75 itmList = self.editorLexerList.findItems(\
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76 ext, Qt.MatchFlags(Qt.MatchExactly), 0)
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77 if itmList:
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78 index = self.editorLexerList.indexOfTopLevelItem(itmList[0])
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79 itm = self.editorLexerList.takeTopLevelItem(index)
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80 del itm
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81 itm = QTreeWidgetItem(self.editorLexerList, [ext, lexer])
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82 self.editorFileExtEdit.clear()
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83 self.editorLexerCombo.setCurrentIndex(0)
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84 self.pygmentsLexerCombo.setCurrentIndex(0)
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85 self.editorLexerList.sortItems(self.editorLexerList.sortColumn(),
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86 self.editorLexerList.header().sortIndicatorOrder())
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87
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88 @pyqtSlot()
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89 def on_deleteLexerButton_clicked(self):
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90 """
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91 Private slot to delete the currently selected lexer association of the list.
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92 """
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93 itmList = self.editorLexerList.selectedItems()
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94 if itmList:
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95 index = self.editorLexerList.indexOfTopLevelItem(itmList[0])
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96 itm = self.editorLexerList.takeTopLevelItem(index)
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97 del itm
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98
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99 self.editorLexerList.clearSelection()
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100 self.editorFileExtEdit.clear()
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101 self.editorLexerCombo.setCurrentIndex(0)
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102
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103 def on_editorLexerList_itemClicked(self, itm, column):
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104 """
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105 Private slot to handle the clicked signal of the lexer association list.
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106
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107 @param itm reference to the selecte item (QTreeWidgetItem)
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108 @param column column the item was clicked or activated (integer) (ignored)
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109 """
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110 if itm is None:
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111 self.editorFileExtEdit.clear()
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112 self.editorLexerCombo.setCurrentIndex(0)
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113 self.pygmentsLexerCombo.setCurrentIndex(0)
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114 else:
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115 self.editorFileExtEdit.setText(itm.text(0))
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116 lexer = itm.text(1)
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117 if lexer.startswith("Pygments|"):
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118 pygmentsLexer = lexer.split("|")[1]
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119 pygmentsIndex = self.pygmentsLexerCombo.findText(pygmentsLexer)
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120 lexer = self.trUtf8("Alternative")
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121 else:
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122 pygmentsIndex = 0
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123 index = self.editorLexerCombo.findText(lexer)
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124 self.editorLexerCombo.setCurrentIndex(index)
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125 self.pygmentsLexerCombo.setCurrentIndex(pygmentsIndex)
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126
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127 def on_editorLexerList_itemActivated(self, itm, column):
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128 """
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129 Private slot to handle the activated signal of the lexer association list.
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130
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131 @param itm reference to the selecte item (QTreeWidgetItem)
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132 @param column column the item was clicked or activated (integer) (ignored)
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133 """
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134 self.on_editorLexerList_itemClicked(itm, column)
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135
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136 @pyqtSlot(str)
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137 def on_editorLexerCombo_currentIndexChanged(self, text):
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138 """
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139 Private slot to handle the selection of a lexer.
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140
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141 @param text text of the line edit (string)
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142 """
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143 if text in self.extras:
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144 self.pygmentsLexerCombo.setEnabled(True)
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145 self.pygmentsLabel.setEnabled(True)
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146 else:
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147 self.pygmentsLexerCombo.setEnabled(False)
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148 self.pygmentsLabel.setEnabled(False)
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149
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150 def transferData(self):
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151 """
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152 Public slot to transfer the associations into the projects data structure.
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153 """
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154 self.project.pdata["LEXERASSOCS"] = {}
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155 for index in range(self.editorLexerList.topLevelItemCount()):
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156 itm = self.editorLexerList.topLevelItem(index)
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157 pattern = itm.text(0)
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158 self.project.pdata["LEXERASSOCS"][pattern] = itm.text(1)

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