diff -r 4e8b98454baa -r 800c432b34c8 eric7/Preferences/ConfigurationPages/EditorHighlightersPage.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/Preferences/ConfigurationPages/EditorHighlightersPage.py Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,186 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2006 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the Editor Highlighter Associations configuration page.
+"""
+
+import os
+
+from pygments.lexers import get_all_lexers
+
+from PyQt5.QtCore import Qt, pyqtSlot
+from PyQt5.QtWidgets import QHeaderView, QTreeWidgetItem
+
+from .ConfigurationPageBase import ConfigurationPageBase
+from .Ui_EditorHighlightersPage import Ui_EditorHighlightersPage
+
+import Preferences
+
+
+class EditorHighlightersPage(ConfigurationPageBase, Ui_EditorHighlightersPage):
+ """
+ Class implementing the Editor Highlighter Associations configuration page.
+ """
+ def __init__(self, lexers):
+ """
+ Constructor
+
+ @param lexers reference to the lexers dictionary
+ """
+ super().__init__()
+ self.setupUi(self)
+ self.setObjectName("EditorHighlightersPage")
+
+ self.editorLexerList.headerItem().setText(
+ self.editorLexerList.columnCount(), "")
+ header = self.editorLexerList.header()
+ header.setSectionResizeMode(QHeaderView.ResizeMode.ResizeToContents)
+ header.setSortIndicator(0, Qt.SortOrder.AscendingOrder)
+
+ try:
+ self.extsep = os.extsep
+ except AttributeError:
+ self.extsep = "."
+
+ import QScintilla.Lexers
+ self.extras = ["-----------", self.tr("Alternative")]
+ languages = [''] + sorted(lexers.keys()) + self.extras
+ for lang in languages:
+ self.editorLexerCombo.addItem(
+ QScintilla.Lexers.getLanguageIcon(lang, False),
+ lang)
+
+ pygmentsLexers = [''] + sorted(lex[0] for lex in get_all_lexers())
+ self.pygmentsLexerCombo.addItems(pygmentsLexers)
+
+ # set initial values
+ lexerAssocs = Preferences.getEditorLexerAssocs()
+ for ext in lexerAssocs:
+ QTreeWidgetItem(self.editorLexerList, [ext, lexerAssocs[ext]])
+ self.editorLexerList.sortByColumn(0, Qt.SortOrder.AscendingOrder)
+
+ def save(self):
+ """
+ Public slot to save the Editor Highlighter Associations configuration.
+ """
+ lexerAssocs = {}
+ for index in range(
+ self.editorLexerList.topLevelItemCount()):
+ itm = self.editorLexerList.topLevelItem(index)
+ lexerAssocs[itm.text(0)] = itm.text(1)
+ Preferences.setEditorLexerAssocs(lexerAssocs)
+
+ @pyqtSlot()
+ def on_addLexerButton_clicked(self):
+ """
+ Private slot to add the lexer association displayed to the list.
+ """
+ ext = self.editorFileExtEdit.text()
+ if ext.startswith(self.extsep):
+ ext.replace(self.extsep, "")
+ lexer = self.editorLexerCombo.currentText()
+ if lexer in self.extras:
+ pygmentsLexer = self.pygmentsLexerCombo.currentText()
+ if not pygmentsLexer:
+ lexer = pygmentsLexer
+ else:
+ lexer = "Pygments|{0}".format(pygmentsLexer)
+ if ext and lexer:
+ itmList = self.editorLexerList.findItems(
+ ext, Qt.MatchFlags(Qt.MatchFlag.MatchExactly), 0)
+ if itmList:
+ index = self.editorLexerList.indexOfTopLevelItem(itmList[0])
+ itm = self.editorLexerList.takeTopLevelItem(index)
+ # __IGNORE_WARNING__
+ del itm
+ QTreeWidgetItem(self.editorLexerList, [ext, lexer])
+ self.editorFileExtEdit.clear()
+ self.editorLexerCombo.setCurrentIndex(0)
+ self.pygmentsLexerCombo.setCurrentIndex(0)
+ self.editorLexerList.sortItems(
+ self.editorLexerList.sortColumn(),
+ self.editorLexerList.header().sortIndicatorOrder())
+
+ @pyqtSlot()
+ def on_deleteLexerButton_clicked(self):
+ """
+ Private slot to delete the currently selected lexer association of the
+ list.
+ """
+ itmList = self.editorLexerList.selectedItems()
+ if itmList:
+ index = self.editorLexerList.indexOfTopLevelItem(itmList[0])
+ itm = self.editorLexerList.takeTopLevelItem(index)
+ # __IGNORE_WARNING__
+ del itm
+
+ self.editorLexerList.clearSelection()
+ self.editorFileExtEdit.clear()
+ self.editorLexerCombo.setCurrentIndex(0)
+
+ def on_editorLexerList_itemClicked(self, itm, column):
+ """
+ Private slot to handle the clicked signal of the lexer association
+ list.
+
+ @param itm reference to the selecte item (QTreeWidgetItem)
+ @param column column the item was clicked or activated (integer)
+ (ignored)
+ """
+ if itm is None:
+ self.editorFileExtEdit.clear()
+ self.editorLexerCombo.setCurrentIndex(0)
+ self.pygmentsLexerCombo.setCurrentIndex(0)
+ else:
+ self.editorFileExtEdit.setText(itm.text(0))
+ lexer = itm.text(1)
+ if lexer.startswith("Pygments|"):
+ pygmentsLexer = lexer.split("|")[1]
+ pygmentsIndex = self.pygmentsLexerCombo.findText(pygmentsLexer)
+ lexer = self.tr("Alternative")
+ else:
+ pygmentsIndex = 0
+ index = self.editorLexerCombo.findText(lexer)
+ self.editorLexerCombo.setCurrentIndex(index)
+ self.pygmentsLexerCombo.setCurrentIndex(pygmentsIndex)
+
+ def on_editorLexerList_itemActivated(self, itm, column):
+ """
+ Private slot to handle the activated signal of the lexer association
+ list.
+
+ @param itm reference to the selecte item (QTreeWidgetItem)
+ @param column column the item was clicked or activated (integer)
+ (ignored)
+ """
+ self.on_editorLexerList_itemClicked(itm, column)
+
+ @pyqtSlot(int)
+ def on_editorLexerCombo_currentIndexChanged(self, index):
+ """
+ Private slot to handle the selection of a lexer.
+
+ @param index index of the current item
+ @type int
+ """
+ text = self.editorLexerCombo.itemText(index)
+ if text in self.extras:
+ self.pygmentsLexerCombo.setEnabled(True)
+ self.pygmentsLabel.setEnabled(True)
+ else:
+ self.pygmentsLexerCombo.setEnabled(False)
+ self.pygmentsLabel.setEnabled(False)
+
+
+def create(dlg):
+ """
+ Module function to create the configuration page.
+
+ @param dlg reference to the configuration dialog
+ @return reference to the instantiated page (ConfigurationPageBase)
+ """
+ page = EditorHighlightersPage(dlg.getLexers())
+ return page
