--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Preferences/ConfigurationPages/EditorHighlightingStylesPage.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,424 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2006 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the Editor Highlighting Styles configuration page.
+"""
+
+import os
+
+from PyQt4.QtCore import pyqtSlot, QFileInfo
+from PyQt4.QtGui import QPalette, QFileDialog, QColorDialog, QFontDialog, \
+ QInputDialog, QMessageBox
+
+from ConfigurationPageBase import ConfigurationPageBase
+from Ui_EditorHighlightingStylesPage import Ui_EditorHighlightingStylesPage
+
+from E4XML.XMLUtilities import make_parser
+from E4XML.XMLErrorHandler import XMLErrorHandler, XMLFatalParseError
+from E4XML.XMLEntityResolver import XMLEntityResolver
+from E4XML.HighlightingStylesWriter import HighlightingStylesWriter
+from E4XML.HighlightingStylesHandler import HighlightingStylesHandler
+
+import Preferences
+
+class EditorHighlightingStylesPage(ConfigurationPageBase,
+ Ui_EditorHighlightingStylesPage):
+ """
+ Class implementing the Editor Highlighting Styles configuration page.
+ """
+ def __init__(self, lexers):
+ """
+ Constructor
+
+ @param lexers reference to the lexers dictionary
+ """
+ ConfigurationPageBase.__init__(self)
+ self.setupUi(self)
+ self.setObjectName("EditorHighlightingStylesPage")
+
+ self.lexer = None
+ self.lexers = lexers
+
+ # set initial values
+ languages = [''] + self.lexers.keys()
+ languages.sort()
+ self.lexerLanguageComboBox.addItems(languages)
+ self.on_lexerLanguageComboBox_activated("")
+
+ def save(self):
+ """
+ Public slot to save the Editor Highlighting Styles configuration.
+ """
+ for lexer in self.lexers.values():
+ lexer.writeSettings(Preferences.Prefs.settings, "Scintilla")
+
+ @pyqtSlot(str)
+ def on_lexerLanguageComboBox_activated(self, language):
+ """
+ Private slot to fill the style combo of the source page.
+
+ @param language The lexer language (string)
+ """
+ self.styleElementList.clear()
+ self.styleGroup.setEnabled(False)
+ self.lexer = None
+
+ self.exportCurrentButton.setEnabled(language != "")
+ self.importCurrentButton.setEnabled(language != "")
+
+ if not language:
+ return
+
+ try:
+ self.lexer = self.lexers[language]
+ except KeyError:
+ return
+
+ self.styleGroup.setEnabled(True)
+ self.styleElementList.addItems(self.lexer.styles)
+ self.styleElementList.setCurrentRow(0)
+
+ def on_styleElementList_currentRowChanged(self, index):
+ """
+ Private method to set up the style element part of the source page.
+
+ @param index the style index.
+ """
+ try:
+ self.style = self.lexer.ind2style[index]
+ except KeyError:
+ return
+
+ colour = self.lexer.color(self.style)
+ paper = self.lexer.paper(self.style)
+ eolfill = self.lexer.eolFill(self.style)
+ font = self.lexer.font(self.style)
+
+ self.sampleText.setFont(font)
+ pl = self.sampleText.palette()
+ pl.setColor(QPalette.Text, colour)
+ pl.setColor(QPalette.Base, paper)
+ self.sampleText.setPalette(pl)
+ self.sampleText.repaint()
+ self.eolfillCheckBox.setChecked(eolfill)
+
+ @pyqtSlot()
+ def on_foregroundButton_clicked(self):
+ """
+ Private method used to select the foreground colour of the selected style
+ and lexer.
+ """
+ colour = QColorDialog.getColor(self.lexer.color(self.style))
+ if colour.isValid():
+ pl = self.sampleText.palette()
+ pl.setColor(QPalette.Text, colour)
+ self.sampleText.setPalette(pl)
+ self.sampleText.repaint()
+ if len(self.styleElementList.selectedItems()) > 1:
+ for selItem in self.styleElementList.selectedItems():
+ style = self.lexer.ind2style[self.styleElementList.row(selItem)]
+ self.lexer.setColor(colour, style)
+ else:
+ self.lexer.setColor(colour, self.style)
+
+ @pyqtSlot()
+ def on_backgroundButton_clicked(self):
+ """
+ Private method used to select the background colour of the selected style
+ and lexer.
+ """
+ colour = QColorDialog.getColor(self.lexer.paper(self.style))
+ if colour.isValid():
+ pl = self.sampleText.palette()
+ pl.setColor(QPalette.Base, colour)
+ self.sampleText.setPalette(pl)
+ self.sampleText.repaint()
+ if len(self.styleElementList.selectedItems()) > 1:
+ for selItem in self.styleElementList.selectedItems():
+ style = self.lexer.ind2style[self.styleElementList.row(selItem)]
+ self.lexer.setPaper(colour, style)
+ else:
+ self.lexer.setPaper(colour, self.style)
+
+ @pyqtSlot()
+ def on_allBackgroundColoursButton_clicked(self):
+ """
+ Private method used to select the background colour of all styles of a
+ selected lexer.
+ """
+ colour = QColorDialog.getColor(self.lexer.paper(self.style))
+ if colour.isValid():
+ pl = self.sampleText.palette()
+ pl.setColor(QPalette.Base, colour)
+ self.sampleText.setPalette(pl)
+ self.sampleText.repaint()
+ for style in self.lexer.ind2style.values():
+ self.lexer.setPaper(colour, style)
+
+ @pyqtSlot()
+ def on_fontButton_clicked(self):
+ """
+ Private method used to select the font of the selected style and lexer.
+ """
+ font, ok = QFontDialog.getFont(self.lexer.font(self.style))
+ if ok:
+ self.sampleText.setFont(font)
+ if len(self.styleElementList.selectedItems()) > 1:
+ for selItem in self.styleElementList.selectedItems():
+ style = self.lexer.ind2style[self.styleElementList.row(selItem)]
+ self.lexer.setFont(font, style)
+ else:
+ self.lexer.setFont(font, self.style)
+
+ @pyqtSlot()
+ def on_allFontsButton_clicked(self):
+ """
+ Private method used to change the font of all styles of a selected lexer.
+ """
+ font, ok = QFontDialog.getFont(self.lexer.font(self.style))
+ if ok:
+ self.sampleText.setFont(font)
+ for style in self.lexer.ind2style.values():
+ self.lexer.setFont(font, style)
+
+ def on_eolfillCheckBox_toggled(self, b):
+ """
+ Private method used to set the eolfill for the selected style and lexer.
+
+ @param b Flag indicating enabled or disabled state.
+ """
+ self.lexer.setEolFill(b, self.style)
+
+ @pyqtSlot()
+ def on_allEolFillButton_clicked(self):
+ """
+ Private method used to set the eolfill for all styles of a selected lexer.
+ """
+ on = self.trUtf8("Enabled")
+ off = self.trUtf8("Disabled")
+ selection, ok = QInputDialog.getItem(\
+ self,
+ self.trUtf8("Fill to end of line"),
+ self.trUtf8("Select fill to end of line for all styles"),
+ [on, off],
+ 0, False)
+ if ok:
+ enabled = selection == on
+ self.eolfillCheckBox.setChecked(enabled)
+ for style in self.lexer.ind2style.values():
+ self.lexer.setEolFill(enabled, style)
+
+ @pyqtSlot()
+ def on_defaultButton_clicked(self):
+ """
+ Private method to set the current style to it's default values.
+ """
+ if len(self.styleElementList.selectedItems()) > 1:
+ for selItem in self.styleElementList.selectedItems():
+ style = self.lexer.ind2style[self.styleElementList.row(selItem)]
+ self.__setToDefault(style)
+ else:
+ self.__setToDefault(self.style)
+ self.on_styleElementList_currentRowChanged(self.styleElementList.currentRow())
+
+ @pyqtSlot()
+ def on_allDefaultButton_clicked(self):
+ """
+ Private method to set all styles to their default values.
+ """
+ for style in self.lexer.ind2style.values():
+ self.__setToDefault(style)
+ self.on_styleElementList_currentRowChanged(self.styleElementList.currentRow())
+
+ def __setToDefault(self, style):
+ """
+ Private method to set a specific style to it's default values.
+
+ @param style style to be reset (integer)
+ """
+ self.lexer.setColor(self.lexer.defaultColor(style), style)
+ self.lexer.setPaper(self.lexer.defaultPaper(style), style)
+ self.lexer.setFont(self.lexer.defaultFont(style), style)
+ self.lexer.setEolFill(self.lexer.defaultEolFill(style), style)
+
+ @pyqtSlot()
+ def on_importCurrentButton_clicked(self):
+ """
+ Private slot to import the styles of the current lexer.
+ """
+ self.__importStyles({self.lexer.language() : self.lexer})
+
+ @pyqtSlot()
+ def on_exportCurrentButton_clicked(self):
+ """
+ Private slot to export the styles of the current lexer.
+ """
+ self.__exportStyles([self.lexer])
+
+ @pyqtSlot()
+ def on_importAllButton_clicked(self):
+ """
+ Private slot to import the styles of all lexers.
+ """
+ self.__importStyles(self.lexers)
+
+ @pyqtSlot()
+ def on_exportAllButton_clicked(self):
+ """
+ Private slot to export the styles of all lexers.
+ """
+ self.__exportStyles(self.lexers.values())
+
+ def __exportStyles(self, lexers):
+ """
+ Private method to export the styles of the given lexers.
+
+ @param lexers list of lexer objects for which to export the styles
+ """
+ fn, selectedFilter = QFileDialog.getSaveFileNameAndFilter(\
+ self,
+ self.trUtf8("Export Highlighting Styles"),
+ "",
+ self.trUtf8("eric4 highlighting styles file (*.e4h)"),
+ "",
+ QFileDialog.Options(QFileDialog.DontConfirmOverwrite))
+
+ if not fn:
+ return
+
+ ext = QFileInfo(fn).suffix()
+ if not ext:
+ ex = selectedFilter.split("(*")[1].split(")")[0]
+ if ex:
+ fn += ex
+
+ try:
+ f = open(fn, "wb")
+ HighlightingStylesWriter(f, lexers).writeXML()
+ f.close()
+ except IOError, err:
+ QMessageBox.critical(self,
+ self.trUtf8("Export Highlighting Styles"),
+ self.trUtf8("""<p>The highlighting styles could not be exported"""
+ """ to file <b>{0}</b>.</p><p>Reason: {1}</p>""")\
+ .format(fn, unicode(err))
+ )
+
+ def __importStyles(self, lexers):
+ """
+ Private method to import the styles of the given lexers.
+
+ @param lexers dictionary of lexer objects for which to import the styles
+ """
+ fn = QFileDialog.getOpenFileName(\
+ self,
+ self.trUtf8("Import Highlighting Styles"),
+ "",
+ self.trUtf8("eric4 highlighting styles file (*.e4h)"))
+
+ if not fn:
+ return
+
+ try:
+ f = open(fn, "rb")
+ try:
+ line = f.readline()
+ dtdLine = f.readline()
+ finally:
+ f.close()
+ except IOError, err:
+ QMessageBox.critical(self,
+ self.trUtf8("Import Highlighting Styles"),
+ self.trUtf8("""<p>The highlighting styles could not be read"""
+ """ from file <b>{0}</b>.</p><p>Reason: {1}</p>""")\
+ .format(fn, unicode(err))
+ )
+ return
+
+ validating = dtdLine.startswith("<!DOCTYPE")
+ parser = make_parser(validating)
+ handler = HighlightingStylesHandler(lexers)
+ er = XMLEntityResolver()
+ eh = XMLErrorHandler()
+
+ parser.setContentHandler(handler)
+ parser.setEntityResolver(er)
+ parser.setErrorHandler(eh)
+
+ try:
+ f = open(fn, "rb")
+ try:
+ try:
+ parser.parse(f)
+ except UnicodeEncodeError:
+ f.seek(0)
+ buf = cStringIO.StringIO(f.read())
+ parser.parse(buf)
+ finally:
+ f.close()
+ except IOError, err:
+ QMessageBox.critical(self,
+ self.trUtf8("Import Highlighting Styles"),
+ self.trUtf8("""<p>The highlighting styles could not be read"""
+ """ from file <b>{0}</b>.</p><p>Reason: {1}</p>""")\
+ .format(fn, unicode(err))
+ )
+ return
+ except XMLFatalParseError:
+ QMessageBox.critical(self,
+ self.trUtf8("Import Highlighting Styles"),
+ self.trUtf8("""<p>The highlighting styles file <b>{0}</b>"""
+ """ has invalid contents.</p>""").format(fn))
+ eh.showParseMessages()
+ return
+
+ eh.showParseMessages()
+
+ if self.lexer:
+ colour = self.lexer.color(self.style)
+ paper = self.lexer.paper(self.style)
+ eolfill = self.lexer.eolFill(self.style)
+ font = self.lexer.font(self.style)
+
+ self.sampleText.setFont(font)
+ pl = self.sampleText.palette()
+ pl.setColor(QPalette.Text, colour)
+ pl.setColor(QPalette.Base, paper)
+ self.sampleText.setPalette(pl)
+ self.sampleText.repaint()
+ self.eolfillCheckBox.setChecked(eolfill)
+
+ def saveState(self):
+ """
+ Public method to save the current state of the widget.
+
+ @return array containing the index of the selected lexer language (integer)
+ and the index of the selected lexer entry (integer)
+ """
+ savedState = [
+ self.lexerLanguageComboBox.currentIndex(),
+ self.styleElementList.currentRow(),
+ ]
+ return savedState
+
+ def setState(self, state):
+ """
+ Public method to set the state of the widget.
+
+ @param state state data generated by saveState
+ """
+ self.lexerLanguageComboBox.setCurrentIndex(state[0])
+ self.on_lexerLanguageComboBox_activated(self.lexerLanguageComboBox.currentText())
+ self.styleElementList.setCurrentRow(state[1])
+
+def create(dlg):
+ """
+ Module function to create the configuration page.
+
+ @param dlg reference to the configuration dialog
+ """
+ page = EditorHighlightingStylesPage(dlg.getLexers())
+ return page
