# ============================================================================
#
# Copyright (C) 2007-2011 Conceptive Engineering bvba. All rights reserved.
# www.conceptive.be / project-camelot@conceptive.be
#
# This file is part of the Camelot Library.
#
# This file may be used under the terms of the GNU General Public
# License version 2.0 as published by the Free Software Foundation
# and appearing in the file license.txt included in the packaging of
# this file. Please review this information to ensure GNU
# General Public Licensing requirements will be met.
#
# If you are unsure which license is appropriate for your use, please
# visit www.python-camelot.com or contact project-camelot@conceptive.be
#
# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# For use of this library in commercial applications, please contact
# project-camelot@conceptive.be
#
# ============================================================================
from PyQt4 import QtGui
from PyQt4 import QtCore
from PyQt4.QtCore import Qt
from customeditor import CustomEditor, set_background_color_palette, draw_tooltip_visualization
import re
[docs]class PartEditor(QtGui.QLineEdit):
def __init__(self, mask, max_length, first = False, last = False):
super(PartEditor, self).__init__()
self.setInputMask(mask)
self.firstPart = first
self.last = last
self.max_length = max_length
self.textEdited.connect( self.text_edited )
[docs] def focusInEvent(self, event):
super(PartEditor, self).focusInEvent(event)
self.setCursorPosition(0)
[docs] def focusOutEvent(self, event):
super(PartEditor, self).focusOutEvent(event)
if self.isModified():
self.editingFinished.emit()
[docs] def paintEvent(self, event):
super(PartEditor, self).paintEvent(event)
if self.firstPart and self.toolTip():
draw_tooltip_visualization(self)
@QtCore.pyqtSlot(str)
[docs] def text_edited(self, text):
if self.cursorPosition() == self.max_length:
if self.last:
self.editingFinished.emit()
else:
self.focusNextChild()
[docs]class CodeEditor(CustomEditor):
def __init__(self, parent=None, parts=['99','AA'], editable=True, field_name='code', **kwargs):
CustomEditor.__init__(self, parent)
self.setObjectName( field_name )
self.parts = parts
self.part_editors = []
layout = QtGui.QHBoxLayout()
layout.setContentsMargins( 0, 0, 0, 0)
layout.setSpacing(0)
layout.setAlignment(Qt.AlignLeft)
for i, part in enumerate(parts):
part = re.sub('\W*', '', part)
part_length = len(part)
editor = PartEditor(part, part_length, i==0, i==(len(parts)-1) )
editor.setFocusPolicy( Qt.StrongFocus )
if i==0:
self.setFocusProxy( editor )
if not editable:
editor.setEnabled(False)
space_width = editor.fontMetrics().size(Qt.TextSingleLine, 'A').width()
editor.setMaximumWidth(space_width*(part_length+1))
self.part_editors.append(editor)
layout.addWidget(editor)
editor.editingFinished.connect(self.emit_editing_finished)
self.setLayout(layout)
@QtCore.pyqtSlot()
[docs] def emit_editing_finished(self):
# if we don't do an isModified check here, spurious editingFinished
# signals are generated by the QLineEdit itself, maybe because of the
# pattern. this can lead to spurious data entry in a form, therefor this
# check is necessary
for editor in self.part_editors:
if editor.isModified():
self.editingFinished.emit()
return
[docs] def set_enabled(self, editable=True):
for editor in self.part_editors:
editor.setEnabled(editable)
[docs] def set_value(self, value):
value = CustomEditor.set_value(self, value)
if value:
old_value = self.get_value()
if value!=old_value:
for part_editor, part in zip(self.part_editors, value):
part_editor.setText(unicode(part))
else:
for part_editor in self.part_editors:
part_editor.setText('')
[docs] def get_value(self):
value = []
for part in self.part_editors:
value.append(unicode(part.text()))
return CustomEditor.get_value(self) or value
[docs] def set_background_color(self, background_color):
for editor in self.part_editors:
set_background_color_palette( editor, background_color )
[docs] def set_field_attributes(self, editable = True,
background_color = None,
tooltip = None, **kwargs):
self.set_enabled(editable)
self.set_background_color(background_color)
self.layout().itemAt(0).widget().setToolTip(unicode(tooltip or ''))