Preferences/ConfigurationPages/EditorSpellCheckingPage.py

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

# Copyright (c) 2008 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the Editor Spellchecking configuration page.
"""

from PyQt4.QtCore import pyqtSlot
from PyQt4.QtGui import QPixmap, QIcon, QFileDialog

from E4Gui.E4Completers import E4FileCompleter

from ConfigurationPageBase import ConfigurationPageBase
from Ui_EditorSpellCheckingPage import Ui_EditorSpellCheckingPage

import Preferences
import Utilities

from QScintilla.SpellChecker import SpellChecker

class EditorSpellCheckingPage(ConfigurationPageBase, Ui_EditorSpellCheckingPage):
    """
    Class implementing the Editor Spellchecking configuration page.
    """
    def __init__(self):
        """
        Constructor
        """
        ConfigurationPageBase.__init__(self)
        self.setupUi(self)
        self.setObjectName("EditorSpellCheckingPage")
        
        self.editorColours = {}
        
        languages = sorted(SpellChecker.getAvailableLanguages())
        self.defaultLanguageCombo.addItems(languages)
        if languages:
            self.errorLabel.hide()
        else:
            self.spellingFrame.setEnabled(False)
        
        self.pwlFileCompleter = E4FileCompleter(self.pwlEdit, showHidden = True)
        self.pelFileCompleter = E4FileCompleter(self.pelEdit, showHidden = True)
        
        # set initial values
        self.checkingEnabledCheckBox.setChecked(
            Preferences.getEditor("SpellCheckingEnabled"))
        
        self.defaultLanguageCombo.setCurrentIndex(
            self.defaultLanguageCombo.findText(
                Preferences.getEditor("SpellCheckingDefaultLanguage")))
        
        self.stringsOnlyCheckBox.setChecked(
            Preferences.getEditor("SpellCheckStringsOnly"))
        self.minimumWordSizeSlider.setValue(
            Preferences.getEditor("SpellCheckingMinWordSize"))
        
        self.editorColours["SpellingMarkers"] = \
            self.initColour("SpellingMarkers", self.spellingMarkerButton, 
                Preferences.getEditorColour)
        
        self.pwlEdit.setText(Preferences.getEditor("SpellCheckingPersonalWordList"))
        self.pelEdit.setText(Preferences.getEditor("SpellCheckingPersonalExcludeList"))
        
        if self.spellingFrame.isEnabled():
            self.enabledCheckBox.setChecked(\
                Preferences.getEditor("AutoSpellCheckingEnabled"))
        else:
            self.enabledCheckBox.setChecked(False)  # not available
        self.chunkSizeSpinBox.setValue(Preferences.getEditor("AutoSpellCheckChunkSize"))
        
    def save(self):
        """
        Public slot to save the Editor Search configuration.
        """
        Preferences.setEditor("SpellCheckingEnabled", 
            self.checkingEnabledCheckBox.isChecked())
        
        Preferences.setEditor("SpellCheckingDefaultLanguage", 
            self.defaultLanguageCombo.currentText())
        
        Preferences.setEditor("SpellCheckStringsOnly", 
            self.stringsOnlyCheckBox.isChecked())
        Preferences.setEditor("SpellCheckingMinWordSize", 
            self.minimumWordSizeSlider.value())
        
        for key in self.editorColours.keys():
            Preferences.setEditorColour(key, self.editorColours[key])
        
        Preferences.setEditor("SpellCheckingPersonalWordList", self.pwlEdit.text())
        Preferences.setEditor("SpellCheckingPersonalExcludeList", self.pelEdit.text())
        
        Preferences.setEditor("AutoSpellCheckingEnabled", 
            self.enabledCheckBox.isChecked())
        Preferences.setEditor("AutoSpellCheckChunkSize", self.chunkSizeSpinBox.value())
        
    @pyqtSlot()
    def on_spellingMarkerButton_clicked(self):
        """
        Private slot to set the colour of the spelling markers.
        """
        self.editorColours["SpellingMarkers"] = \
            self.selectColour(self.spellingMarkerButton, 
                self.editorColours["SpellingMarkers"])
    
    @pyqtSlot()
    def on_pwlButton_clicked(self):
        """
        Private method to select the personal word list file.
        """
        file = QFileDialog.getOpenFileName(\
            self,
            self.trUtf8("Select personal word list"),
            self.pwlEdit.text(),
            self.trUtf8("Dictionary File (*.dic);;All Files (*)"))
            
        if file:
            self.pwlEdit.setText(Utilities.toNativeSeparators(file))
    
    @pyqtSlot()
    def on_pelButton_clicked(self):
        """
        Private method to select the personal exclude list file.
        """
        file = QFileDialog.getOpenFileName(\
            self,
            self.trUtf8("Select personal exclude list"),
            self.pelEdit.text(),
            self.trUtf8("Dictionary File (*.dic);;All Files (*)"))
            
        if file:
            self.pelEdit.setText(Utilities.toNativeSeparators(file))

def create(dlg):
    """
    Module function to create the configuration page.
    
    @param dlg reference to the configuration dialog
    """
    page = EditorSpellCheckingPage()
    return page