The file dialogs; used to get filenames for loading and saving.
| Type: | fileDialogs | 
| Uses (at least one of): | TranslatorModule > | 
| Requires (at least one of): | GuiModule > | 
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | #! /usr/bin/env python3
# -*- coding: utf-8 -*-
#	Copyright 2011-2014, Marten de Vries
#	Copyright 2011, Milan Boers
#
#	This file is part of OpenTeacher.
#
#	OpenTeacher is free software: you can redistribute it and/or modify
#	it under the terms of the GNU General Public License as published by
#	the Free Software Foundation, either version 3 of the License, or
#	(at your option) any later version.
#
#	OpenTeacher is distributed in the hope that it will be useful,
#	but WITHOUT ANY WARRANTY; without even the implied warranty of
#	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#	GNU General Public License for more details.
#
#	You should have received a copy of the GNU General Public License
#	along with OpenTeacher.  If not, see <http://www.gnu.org/licenses/>.
import os
class FileDialogsModule:
	"""The file dialogs; used to get filenames for loading and saving."""
	def __init__(self, moduleManager, *args, **kwargs):
		super().__init__(*args, **kwargs)
		self._mm = moduleManager
		self.type = "fileDialogs"
		self.uses = (
			self._mm.mods(type="translator"),
		)
		self.requires = (
			self._mm.mods(type="ui"),
		)
	def getSavePath(self, onSuccess, startdir, exts, default, onError=None):
		filters = [name + " (*." + ext + ")" for ext, name in exts]
		fileDialog = QtWidgets.QFileDialog()
		fileDialog.setAcceptMode(QtWidgets.QFileDialog.AcceptSave)
		fileDialog.setWindowTitle(_("Choose file to save"))
		fileDialog.setNameFilters(filters)
		fileDialog.selectNameFilter(default[1] + " (*." + default[0] + ")")
		fileDialog.setDirectory(startdir)
		tab = self._ui.addCustomTab(fileDialog, previousTabOnClose=True)
		tab.title = fileDialog.windowTitle()
		tab.closeRequested.handle(tab.close)
		fileDialog.finished.connect(tab.close)
		def onFileDialogAccepted():
			ext = fileDialog.selectedNameFilter().split("(*")[1].split(")")[0]
			filename = fileDialog.selectedFiles()[0]
			extensions = [u"." + e[0] for e in exts]
			if os.path.splitext(filename)[1] not in extensions:
				filename += ext
			onSuccess(filename)
		fileDialog.accepted.connect(onFileDialogAccepted)
		if onError:
			fileDialog.rejected.connect(onError)
	def getLoadPath(self, onSuccess, startdir, exts, fileType=None, onError=None):
		if not fileType:
			fileType = _("Lessons")
		stringExts = ("*." + ext for ext, name in exts)
		filters = [u"%s (%s)" % (fileType, u" ".join(stringExts))]
		for ext, name in exts:
			filters.append(u"%s (*.%s)" % (name, ext))
		filter = u";;".join(filters)
		fileDialog = QtWidgets.QFileDialog()
		fileDialog.setFileMode(QtWidgets.QFileDialog.ExistingFile)
		fileDialog.setWindowTitle(_("Choose file to open"))
		fileDialog.setNameFilter(filter)
		fileDialog.setDirectory(startdir)
		tab = self._ui.addCustomTab(fileDialog, previousTabOnClose=True)
		tab.title = fileDialog.windowTitle()
		tab.closeRequested.handle(tab.close)
		fileDialog.finished.connect(tab.close)
		def onFileDialogAccepted():
			onSuccess(fileDialog.selectedFiles()[0])
		fileDialog.accepted.connect(onFileDialogAccepted)
		if onError:
			fileDialog.rejected.connect(onError)
	def enable(self):
		global QtWidgets
		try:
			from PyQt5 import QtWidgets
		except ImportError:
			#remain inactive
			return
		self._modules = set(self._mm.mods(type="modules")).pop()
		self._ui = self._modules.default("active", type="ui")
		try:
			translator = self._modules.default("active", type="translator")
		except IndexError:
			pass
		else:
			translator.languageChanged.handle(self._retranslate)
		self._retranslate()
		self.active = True
	def _retranslate(self):
		global _
		global ngettext
		try:
			translator = self._modules.default("active", type="translator")
		except IndexError:
			_, ngettext = str, lambda a, b, n: a if n == 1 else b
		else:
			_, ngettext = translator.gettextFunctions(
				self._mm.resourcePath("translations")
			)
	def disable(self):
		self.active = False
		del self._modules
		del self._ui
def init(moduleManager):
	return FileDialogsModule(moduleManager)
 |