Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/Preferences/ConfigurationPages/EditorLanguageTabIndentOverrideDialog.py	Thu Jul 07 11:23:56 2022 +0200
@@ -0,0 +1,142 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2019 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to set the tab and indentation width override for
+a language.
+"""
+
+from pygments.lexers import get_all_lexers
+
+from PyQt6.QtCore import pyqtSlot
+from PyQt6.QtWidgets import QDialog, QDialogButtonBox
+
+from .Ui_EditorLanguageTabIndentOverrideDialog import (
+    Ui_EditorLanguageTabIndentOverrideDialog
+)
+
+
+class EditorLanguageTabIndentOverrideDialog(
+    QDialog, Ui_EditorLanguageTabIndentOverrideDialog
+):
+    """
+    Class implementing a dialog to set the tab and indentation width override
+    for a language.
+    """
+    PygmentsMarker = "Pygments|"
+    
+    def __init__(self, *, editMode=False, languages=None, tabWidth=0,
+                 indentWidth=0, parent=None):
+        """
+        Constructor
+        
+        @keyparam editMode flag indicating the edit mode (Note: in edit mode
+            the language is fixed)
+        @type bool
+        @keyparam languages list of existing languages (if in add mode) or
+            a list containing the language to be edited
+        @type list of str
+        @keyparam tabWidth tab width to be set
+        @type int
+        @keyparam indentWidth indentation width to be set
+        @type int
+        @keyparam parent reference to the parent widget
+        @type QWidget
+        """
+        super().__init__(parent)
+        self.setupUi(self)
+        
+        self.__extras = ["-----------", self.tr("Alternative")]
+        
+        if editMode:
+            self.languageComboBox.addItems(languages)
+        else:
+            self.__populateLanguages(languages)
+        self.tabWidthSpinBox.setValue(tabWidth)
+        self.indentWidthSpinBox.setValue(indentWidth)
+    
+    def __populateLanguages(self, filterLanguages):
+        """
+        Private method to populate the language combo boxes.
+        
+        @param filterLanguages list of languages to be filtered out
+        @type list of str
+        """
+        import QScintilla.Lexers
+        languages = list(
+            QScintilla.Lexers.getSupportedLanguages().keys())
+        for lang in filterLanguages:
+            if lang in languages:
+                languages.remove(lang)
+        self.languageComboBox.addItems(
+            [""] + sorted(languages) + self.__extras)
+        
+        pygmentsLanguages = [lex[0] for lex in get_all_lexers()]
+        for lang in filterLanguages:
+            if lang.startswith(self.PygmentsMarker):
+                lang = lang.replace(self.PygmentsMarker, "")
+                if lang in pygmentsLanguages:
+                    pygmentsLanguages.remove(lang)
+        self.pygmentsLexerCombo.addItems([""] + sorted(pygmentsLanguages))
+    
+    def getData(self):
+        """
+        Public method to get the entered data.
+        
+        @return tuple containing the language, the tab width and the
+            indentation width
+        @rtype tuple of (str, int, int)
+        """
+        language = self.languageComboBox.currentText()
+        if language in self.__extras:
+            pygmentsLanguage = self.pygmentsLexerCombo.currentText()
+            language = self.PygmentsMarker + pygmentsLanguage
+        return (
+            language,
+            self.tabWidthSpinBox.value(),
+            self.indentWidthSpinBox.value(),
+        )
+    
+    def __updateOkButton(self):
+        """
+        Private method to set the enabled status of the OK button.
+        """
+        lang = self.languageComboBox.currentText()
+        if lang in self.__extras:
+            self.buttonBox.button(
+                QDialogButtonBox.StandardButton.Ok).setEnabled(
+                    bool(self.pygmentsLexerCombo.currentText()))
+        else:
+            self.buttonBox.button(
+                QDialogButtonBox.StandardButton.Ok).setEnabled(
+                    bool(lang))
+    
+    @pyqtSlot(int)
+    def on_languageComboBox_currentIndexChanged(self, index):
+        """
+        Private slot to handle the selection of a language.
+        
+        @param index index of the current item
+        @type int
+        """
+        lang = self.languageComboBox.itemText(index)
+        if lang in self.__extras:
+            self.pygmentsLexerCombo.setEnabled(True)
+            self.pygmentsLabel.setEnabled(True)
+        else:
+            self.pygmentsLexerCombo.setEnabled(False)
+            self.pygmentsLabel.setEnabled(False)
+        
+        self.__updateOkButton()
+    
+    @pyqtSlot(int)
+    def on_pygmentsLexerCombo_currentIndexChanged(self, index):
+        """
+        Private slot to handle the selection of a language.
+        
+        @param index index of the current item
+        @type int
+        """
+        self.__updateOkButton()