mirror of
https://github.com/Hopiu/linkchecker.git
synced 2026-03-16 22:10:26 +00:00
181 lines
6.5 KiB
Python
181 lines
6.5 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2010-2014 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import os
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import urlparse
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from PyQt4 import QtGui, QtCore
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from .linkchecker_ui_editor import Ui_EditorDialog
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from ..checker.fileurl import get_os_filename
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try:
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from .editor_qsci import ContentTypeLexers, Editor
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except ImportError:
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from .editor_qt import ContentTypeLexers, Editor
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class EditorWindow (QtGui.QDialog, Ui_EditorDialog):
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"""Editor window."""
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# emitted after successful save
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saved = QtCore.pyqtSignal(str)
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# emitted after successful load
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loaded = QtCore.pyqtSignal(str)
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def __init__ (self, parent=None):
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"""Initialize the editor widget."""
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super(EditorWindow, self).__init__(parent)
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self.setupUi(self)
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# filename used for saving
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self.filename = None
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# the Scintilla editor widget
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self.editor = Editor(parent=self.frame)
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layout = QtGui.QVBoxLayout(self.frame)
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layout.setContentsMargins(0, 0, 0, 0)
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layout.addWidget(self.editor)
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# for debugging
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#self.setText(("1234567890"*8) + "\n<html><head>\n<title>x</title>\n</head>\n")
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#lexer = Qsci.QsciLexerHTML()
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#lexer.setFont(self.editor.font())
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#self.editor.setLexer(lexer)
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#self.editor.setCursorPosition(1, 1)
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#self.show()
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def setContentType (self, content_type):
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"""Choose a lexer according to given content type."""
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lexerclass = ContentTypeLexers.get(content_type.lower())
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self.editor.highlight(lexerclass)
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def setText (self, text, line=1, col=1):
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"""Set editor text and jump to given line and column."""
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self.editor.setText(text)
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self.editor.setCursorPosition(line-1, col-1)
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self.editor.setModified(False)
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def setUrl (self, url):
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"""If URL is a file:// URL, store the filename of it as base
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directory for the "save as" dialog."""
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self.basedir = ""
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if url and url.startswith("file://"):
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urlparts = urlparse.urlsplit(url)
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path = get_os_filename(urlparts[2])
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if os.path.exists(path):
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self.basedir = path
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@QtCore.pyqtSlot()
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def on_actionSave_triggered (self):
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"""Save changed editor contents."""
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if self.editor.isModified() or not self.filename:
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self.save()
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def closeEvent (self, e=None):
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"""Save settings and remove registered logging handler"""
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if self.editor.isModified():
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# ask if user wants to save
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if self.wants_save():
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if self.save():
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e.accept()
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else:
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# saving error or user canceled
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e.ignore()
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else:
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# discard changes
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e.accept()
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else:
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# unchanged
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e.accept()
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def wants_save (self):
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"""Ask user if he wants to save changes. Return True if user
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wants to save, else False."""
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dialog = QtGui.QMessageBox(parent=self)
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dialog.setIcon(QtGui.QMessageBox.Question)
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dialog.setWindowTitle(_("Save file?"))
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dialog.setText(_("The document has been modified."))
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dialog.setInformativeText(_("Do you want to save your changes?"))
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dialog.setStandardButtons(QtGui.QMessageBox.Save |
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QtGui.QMessageBox.Discard)
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dialog.setDefaultButton(QtGui.QMessageBox.Save)
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return dialog.exec_() == QtGui.QMessageBox.Save
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def save (self):
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"""Save editor contents to file."""
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if not self.filename:
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title = _("Save File As")
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res = QtGui.QFileDialog.getSaveFileName(self, title, self.basedir)
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if not res:
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# user canceled
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return
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self.filename = res
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self.setWindowTitle(self.filename)
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else:
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if not os.path.isfile(self.filename):
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return
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if not os.access(self.filename, os.W_OK):
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return
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fh = None
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saved = False
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try:
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try:
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fh = QtCore.QFile(self.filename)
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if not fh.open(QtCore.QIODevice.WriteOnly):
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raise IOError(fh.errorString())
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stream = QtCore.QTextStream(fh)
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stream.setCodec("UTF-8")
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stream << self.editor.text()
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self.editor.setModified(False)
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saved = True
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except (IOError, OSError) as e:
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err = QtGui.QMessageBox(self)
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err.setText(str(e))
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err.exec_()
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finally:
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if fh is not None:
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fh.close()
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if saved:
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self.saved.emit(self.filename)
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return saved
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def load (self, filename):
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"""Load editor contents from file."""
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if not os.path.isfile(filename):
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return
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if not os.access(filename, os.R_OK):
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return
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self.filename = filename
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if not os.access(filename, os.W_OK):
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title = u"%s (%s)" % (self.filename, _(u"readonly"))
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else:
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title = self.filename
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self.setWindowTitle(title)
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fh = None
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loaded = False
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try:
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try:
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fh = QtCore.QFile(self.filename)
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if not fh.open(QtCore.QIODevice.ReadOnly):
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raise IOError(fh.errorString())
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stream = QtCore.QTextStream(fh)
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stream.setCodec("UTF-8")
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self.setText(stream.readAll())
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loaded = True
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except (IOError, OSError) as e:
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err = QtGui.QMessageBox(self)
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err.setText(str(e))
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err.exec_()
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finally:
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if fh is not None:
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fh.close()
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if loaded:
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self.loaded.emit(self.filename)
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