eric6/Preferences/SubstyleDefinitionDialog.py

Sun, 01 Sep 2019 19:40:53 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 01 Sep 2019 19:40:53 +0200
branch
without_py2_and_pyqt4
changeset 7198
684261ef2165
parent 6942
2602857055c5
child 7229
53054eb5b15a
permissions
-rw-r--r--

Removed the Qt4 runtime stuff.

# -*- coding: utf-8 -*-

# Copyright (c) 2019 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the sub-style definition dialog.
"""

from __future__ import unicode_literals

from PyQt5.QtCore import pyqtSlot
from PyQt5.QtWidgets import QDialog, QDialogButtonBox

from E5Gui import E5MessageBox

from .Ui_SubstyleDefinitionDialog import Ui_SubstyleDefinitionDialog


class SubstyleDefinitionDialog(QDialog, Ui_SubstyleDefinitionDialog):
    """
    Class implementing the sub-style definition dialog.
    """
    def __init__(self, lexer, style, substyle, parent=None):
        """
        Constructor
        
        @param lexer reference to the lexer object
        @type PreferencesLexer
        @param style style number
        @type int
        @param substyle sub-style number
        @type int
        @param parent reference to the parent widget
        @type QWidget
        """
        super(SubstyleDefinitionDialog, self).__init__(parent)
        self.setupUi(self)
        
        self.__lexer = lexer
        self.__style = style
        self.__substyle = substyle
        
        self.header.setText(self.tr("<h3>{0} - {1}</h3>").format(
            self.__lexer.language(), self.__lexer.description(self.__style)))
        if self.__substyle >= 0:
            # it's an edit operation
            self.descriptionEdit.setText(
                self.__lexer.description(self.__style, self.__substyle))
            self.wordsEdit.setPlainText(
                self.__lexer.words(self.__style, self.__substyle))
    
    def __updateOk(self):
        """
        Private slot to update the state of the OK button.
        """
        self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(
            bool(self.descriptionEdit.text().strip()) and
            bool(self.wordsEdit.toPlainText().strip())
        )
    
    @pyqtSlot(str)
    def on_descriptionEdit_textChanged(self, txt):
        """
        Private slot handling changes of the description.
        
        @param txt text of the description
        @type str
        """
        self.__updateOk()
    
    @pyqtSlot()
    def on_wordsEdit_textChanged(self):
        """
        Private slot handling changes of the word list.
        """
        self.__updateOk()
    
    @pyqtSlot()
    def on_resetButton_clicked(self):
        """
        Private slot to reset the dialog contents.
        """
        ok = E5MessageBox.yesNo(
            self,
            self.tr("Reset Sub-Style Data"),
            self.tr("""Shall the entered sub-style data be reset?"""))
        if ok:
            if self.__substyle >= 0:
                self.descriptionEdit.setText(
                    self.__lexer.description(self.__style, self.__substyle))
                self.wordsEdit.setPlainText(
                    self.__lexer.words(self.__style, self.__substyle))
            else:
                self.descriptionEdit.clear()
                self.wordsEdit.clear()
    
    @pyqtSlot()
    def on_defaultButton_clicked(self):
        """
        Private slot to set the dialog contents to default values.
        """
        filled = bool(self.descriptionEdit.text().strip()) or \
            bool(self.wordsEdit.toPlainText().strip())
        if filled:
            ok = E5MessageBox.yesNo(
                self,
                self.tr("Set Sub-Style Data to Default"),
                self.tr("""Shall the sub-style data be set to default"""
                        """ values?"""))
        else:
            ok = True
        if ok:
            if self.__substyle >= 0:
                self.descriptionEdit.setText(self.__lexer.defaultDescription(
                    self.__style, self.__substyle))
                self.wordsEdit.setPlainText(self.__lexer.defaultWords(
                    self.__style, self.__substyle))
            else:
                self.descriptionEdit.clear()
                self.wordsEdit.clear()
    
    def getData(self):
        """
        Public method to get the entered data.
        
        @return tuple containing the sub-style description and words list.
        @rtype tuple of (str, str)
        """
        return (
            self.descriptionEdit.text().strip(),
            self.wordsEdit.toPlainText().strip(),
        )

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