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# Source code for camelot.view.controls.editors.textlineeditor

    #  ============================================================================
    #
    #  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 customeditor import AbstractCustomEditor, draw_tooltip_visualization

    class TextLineEditor(QtGui.QLineEdit, AbstractCustomEditor):

        def __init__(self,
                     parent,
                     length = 20,
                     field_name = 'text_line',
                     **kwargs):
            QtGui.QLineEdit.__init__(self, parent)
            self.setObjectName( field_name )
            AbstractCustomEditor.__init__(self)
            if length:
                self.setMaxLength(length)

        def set_value(self, value):
            value = AbstractCustomEditor.set_value(self, value)
            if value is not None:
                self.setText(unicode(value))
            else:
                self.setText('')
            return value

        def get_value(self):
            value_loading = AbstractCustomEditor.get_value(self)
            if value_loading is not None:
                return value_loading

            value = unicode(self.text())
            if self.value_is_none and not value:
                return None

            return value

        def set_field_attributes(self, editable = True,
                                       background_color = None,
                                       tooltip = None, **kwargs):
            self.set_background_color( background_color )
            self.set_enabled( editable )
            self.setToolTip(unicode(tooltip or ''))

        def set_enabled(self, editable=True):
            value = self.text()
            self.setEnabled(editable)
            self.setText(value)

        def paintEvent(self, event):
            super(TextLineEditor, self).paintEvent(event)

            if self.toolTip():
                draw_tooltip_visualization(self)

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