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# This file is part of the Frescobaldi project, http://www.frescobaldi.org/
#
# Copyright (c) 2008 - 2014 by Wilbert Berendsen
#
# This program 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 2
# of the License, or (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# See http://www.gnu.org/licenses/ for more information.
"""
UrlRequester, a lineedit with a Browse-button.
"""
from PyQt5.QtCore import pyqtSignal
from PyQt5.QtWidgets import (
QFileDialog, QHBoxLayout, QLineEdit, QToolButton, QWidget)
import app
import icons
class UrlRequester(QWidget):
"""Shows a lineedit and a button to select a file or directory.
The lineEdit, button, and fileDialog attributes represent their
respective objects.
"""
changed = pyqtSignal()
def __init__(self, parent=None):
super(UrlRequester, self).__init__(parent)
self._fileDialog = None
self._dialogTitle = None
self._fileMode = None
layout = QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(2)
self.setLayout(layout)
self.lineEdit = QLineEdit()
layout.addWidget(self.lineEdit)
self.button = QToolButton(clicked=self.browse)
layout.addWidget(self.button)
self.lineEdit.textChanged.connect(self.changed)
self.setFileMode(QFileDialog.Directory)
app.translateUI(self)
def translateUI(self):
self.button.setToolTip(_("Open file dialog"))
def fileDialog(self, create = False):
"""Returns the QFileDialog, if already instantiated.
If create is True, the dialog is instantiated anyhow.
"""
if create and self._fileDialog is None:
self._fileDialog = QFileDialog(self)
return self._fileDialog
def setPath(self, path):
self.lineEdit.setText(path)
def path(self):
return self.lineEdit.text()
def setFileMode(self, mode):
"""Sets the mode for the dialog, is a QFileDialog.FileMode value."""
if mode == QFileDialog.Directory:
self.button.setIcon(icons.get('folder-open'))
else:
self.button.setIcon(icons.get('document-open'))
self._fileMode = mode
def fileMode(self):
return self._fileMode
def setDialogTitle(self, title):
self._dialogTitle = title
if self._fileDialog:
self._fileDialog.setWindowTitle(title)
def dialogTitle(self):
return self._dialogTitle
def browse(self):
"""Opens the dialog."""
dlg = self.fileDialog(True)
dlg.setFileMode(self._fileMode)
if self._dialogTitle:
title = self._dialogTitle
elif self.fileMode() == QFileDialog.Directory:
title = _("Select a directory")
else:
title = _("Select a file")
dlg.setWindowTitle(app.caption(title))
dlg.selectFile(self.path())
result = dlg.exec_()
if result:
self.lineEdit.setText(dlg.selectedFiles()[0])
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