Mercurial Repositories > eric / file comparison
comparison: eric6/Preferences/ConfigurationPages/EditorHighlightersPage.py
eric6/Preferences/ConfigurationPages/EditorHighlightersPage.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7198
- 684261ef2165
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2006 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the Editor Highlighter Associations configuration page. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 import os | |
| 13 | |
| 14 from pygments.lexers import get_all_lexers | |
| 15 | |
| 16 from PyQt5.QtCore import Qt, pyqtSlot | |
| 17 from PyQt5.QtWidgets import QHeaderView, QTreeWidgetItem | |
| 18 | |
| 19 from .ConfigurationPageBase import ConfigurationPageBase | |
| 20 from .Ui_EditorHighlightersPage import Ui_EditorHighlightersPage | |
| 21 | |
| 22 import Preferences | |
| 23 from Globals import qVersionTuple | |
| 24 | |
| 25 | |
| 26 class EditorHighlightersPage(ConfigurationPageBase, Ui_EditorHighlightersPage): | |
| 27 """ | |
| 28 Class implementing the Editor Highlighter Associations configuration page. | |
| 29 """ | |
| 30 def __init__(self, lexers): | |
| 31 """ | |
| 32 Constructor | |
| 33 | |
| 34 @param lexers reference to the lexers dictionary | |
| 35 """ | |
| 36 super(EditorHighlightersPage, self).__init__() | |
| 37 self.setupUi(self) | |
| 38 self.setObjectName("EditorHighlightersPage") | |
| 39 | |
| 40 self.editorLexerList.headerItem().setText( | |
| 41 self.editorLexerList.columnCount(), "") | |
| 42 header = self.editorLexerList.header() | |
| 43 if qVersionTuple() >= (5, 0, 0): | |
| 44 header.setSectionResizeMode(QHeaderView.ResizeToContents) | |
| 45 else: | |
| 46 header.setResizeMode(QHeaderView.ResizeToContents) | |
| 47 header.setSortIndicator(0, Qt.AscendingOrder) | |
| 48 | |
| 49 try: | |
| 50 self.extsep = os.extsep | |
| 51 except AttributeError: | |
| 52 self.extsep = "." | |
| 53 | |
| 54 import QScintilla.Lexers | |
| 55 self.extras = ["-----------", self.tr("Alternative")] | |
| 56 languages = [''] + sorted(lexers.keys()) + self.extras | |
| 57 for lang in languages: | |
| 58 self.editorLexerCombo.addItem( | |
| 59 QScintilla.Lexers.getLanguageIcon(lang, False), | |
| 60 lang) | |
| 61 | |
| 62 pygmentsLexers = [''] + sorted(l[0] for l in get_all_lexers()) | |
| 63 self.pygmentsLexerCombo.addItems(pygmentsLexers) | |
| 64 | |
| 65 # set initial values | |
| 66 lexerAssocs = Preferences.getEditorLexerAssocs() | |
| 67 for ext in lexerAssocs: | |
| 68 QTreeWidgetItem(self.editorLexerList, [ext, lexerAssocs[ext]]) | |
| 69 self.editorLexerList.sortByColumn(0, Qt.AscendingOrder) | |
| 70 | |
| 71 def save(self): | |
| 72 """ | |
| 73 Public slot to save the Editor Highlighter Associations configuration. | |
| 74 """ | |
| 75 lexerAssocs = {} | |
| 76 for index in range( | |
| 77 self.editorLexerList.topLevelItemCount()): | |
| 78 itm = self.editorLexerList.topLevelItem(index) | |
| 79 lexerAssocs[itm.text(0)] = itm.text(1) | |
| 80 Preferences.setEditorLexerAssocs(lexerAssocs) | |
| 81 | |
| 82 @pyqtSlot() | |
| 83 def on_addLexerButton_clicked(self): | |
| 84 """ | |
| 85 Private slot to add the lexer association displayed to the list. | |
| 86 """ | |
| 87 ext = self.editorFileExtEdit.text() | |
| 88 if ext.startswith(self.extsep): | |
| 89 ext.replace(self.extsep, "") | |
| 90 lexer = self.editorLexerCombo.currentText() | |
| 91 if lexer in self.extras: | |
| 92 pygmentsLexer = self.pygmentsLexerCombo.currentText() | |
| 93 if not pygmentsLexer: | |
| 94 lexer = pygmentsLexer | |
| 95 else: | |
| 96 lexer = "Pygments|{0}".format(pygmentsLexer) | |
| 97 if ext and lexer: | |
| 98 itmList = self.editorLexerList.findItems( | |
| 99 ext, Qt.MatchFlags(Qt.MatchExactly), 0) | |
| 100 if itmList: | |
| 101 index = self.editorLexerList.indexOfTopLevelItem(itmList[0]) | |
| 102 itm = self.editorLexerList.takeTopLevelItem(index) | |
| 103 # __IGNORE_WARNING__ | |
| 104 del itm | |
| 105 QTreeWidgetItem(self.editorLexerList, [ext, lexer]) | |
| 106 self.editorFileExtEdit.clear() | |
| 107 self.editorLexerCombo.setCurrentIndex(0) | |
| 108 self.pygmentsLexerCombo.setCurrentIndex(0) | |
| 109 self.editorLexerList.sortItems( | |
| 110 self.editorLexerList.sortColumn(), | |
| 111 self.editorLexerList.header().sortIndicatorOrder()) | |
| 112 | |
| 113 @pyqtSlot() | |
| 114 def on_deleteLexerButton_clicked(self): | |
| 115 """ | |
| 116 Private slot to delete the currently selected lexer association of the | |
| 117 list. | |
| 118 """ | |
| 119 itmList = self.editorLexerList.selectedItems() | |
| 120 if itmList: | |
| 121 index = self.editorLexerList.indexOfTopLevelItem(itmList[0]) | |
| 122 itm = self.editorLexerList.takeTopLevelItem(index) | |
| 123 # __IGNORE_WARNING__ | |
| 124 del itm | |
| 125 | |
| 126 self.editorLexerList.clearSelection() | |
| 127 self.editorFileExtEdit.clear() | |
| 128 self.editorLexerCombo.setCurrentIndex(0) | |
| 129 | |
| 130 def on_editorLexerList_itemClicked(self, itm, column): | |
| 131 """ | |
| 132 Private slot to handle the clicked signal of the lexer association | |
| 133 list. | |
| 134 | |
| 135 @param itm reference to the selecte item (QTreeWidgetItem) | |
| 136 @param column column the item was clicked or activated (integer) | |
| 137 (ignored) | |
| 138 """ | |
| 139 if itm is None: | |
| 140 self.editorFileExtEdit.clear() | |
| 141 self.editorLexerCombo.setCurrentIndex(0) | |
| 142 self.pygmentsLexerCombo.setCurrentIndex(0) | |
| 143 else: | |
| 144 self.editorFileExtEdit.setText(itm.text(0)) | |
| 145 lexer = itm.text(1) | |
| 146 if lexer.startswith("Pygments|"): | |
| 147 pygmentsLexer = lexer.split("|")[1] | |
| 148 pygmentsIndex = self.pygmentsLexerCombo.findText(pygmentsLexer) | |
| 149 lexer = self.tr("Alternative") | |
| 150 else: | |
| 151 pygmentsIndex = 0 | |
| 152 index = self.editorLexerCombo.findText(lexer) | |
| 153 self.editorLexerCombo.setCurrentIndex(index) | |
| 154 self.pygmentsLexerCombo.setCurrentIndex(pygmentsIndex) | |
| 155 | |
| 156 def on_editorLexerList_itemActivated(self, itm, column): | |
| 157 """ | |
| 158 Private slot to handle the activated signal of the lexer association | |
| 159 list. | |
| 160 | |
| 161 @param itm reference to the selecte item (QTreeWidgetItem) | |
| 162 @param column column the item was clicked or activated (integer) | |
| 163 (ignored) | |
| 164 """ | |
| 165 self.on_editorLexerList_itemClicked(itm, column) | |
| 166 | |
| 167 @pyqtSlot(str) | |
| 168 def on_editorLexerCombo_currentIndexChanged(self, text): | |
| 169 """ | |
| 170 Private slot to handle the selection of a lexer. | |
| 171 | |
| 172 @param text text of the lexer combo (string) | |
| 173 """ | |
| 174 if text in self.extras: | |
| 175 self.pygmentsLexerCombo.setEnabled(True) | |
| 176 self.pygmentsLabel.setEnabled(True) | |
| 177 else: | |
| 178 self.pygmentsLexerCombo.setEnabled(False) | |
| 179 self.pygmentsLabel.setEnabled(False) | |
| 180 | |
| 181 | |
| 182 def create(dlg): | |
| 183 """ | |
| 184 Module function to create the configuration page. | |
| 185 | |
| 186 @param dlg reference to the configuration dialog | |
| 187 @return reference to the instantiated page (ConfigurationPageBase) | |
| 188 """ | |
| 189 page = EditorHighlightersPage(dlg.getLexers()) | |
| 190 return page |
