Source code for camelot.view.controls.editors.coloredfloateditor
# ============================================================================
#
# 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
from camelot.core import constants
from camelot.view.art import Icon
from camelot.view.controls.editors.floateditor import CustomDoubleSpinBox
[docs]class ColoredFloatEditor(CustomEditor):
"""Widget for editing a float field, with a calculator"""
calculator_icon = Icon('tango/16x16/apps/accessories-calculator.png')
zero = Icon('tango/16x16/actions/zero.png')
go_down_red = Icon('tango/16x16/actions/go-down-red.png')
go_up = Icon('tango/16x16/actions/go-up.png')
go_down_blue = Icon('tango/16x16/actions/go-down-blue.png')
go_up_blue = Icon('tango/16x16/actions/go-up-blue.png')
def __init__(self,
parent,
precision=2,
reverse=False,
neutral=False,
option=None,
field_name = 'float',
**kwargs):
CustomEditor.__init__(self, parent)
self.setObjectName( field_name )
action = QtGui.QAction(self)
action.setShortcut(Qt.Key_F4)
self.setFocusPolicy(Qt.StrongFocus)
self.spinBox = CustomDoubleSpinBox(option, parent)
self.spinBox.setDecimals(precision)
self.spinBox.setAlignment(Qt.AlignRight|Qt.AlignVCenter)
self.spinBox.addAction(action)
self.spinBox.setButtonSymbols(QtGui.QAbstractSpinBox.NoButtons)
self.arrow = QtGui.QLabel()
self.arrow.setPixmap( self.go_up.getQPixmap() )
self.arrow.setFixedHeight(self.get_height())
self.arrow.setAutoFillBackground(False)
self.arrow.setMaximumWidth(19)
self.calculatorButton = QtGui.QToolButton()
self.calculatorButton.setIcon( self.calculator_icon.getQIcon() )
self.calculatorButton.setAutoRaise(True)
self.calculatorButton.setFixedHeight(self.get_height())
self.calculatorButton.clicked.connect(
lambda:self.popupCalculator(self.spinBox.value())
)
action.triggered.connect(
lambda:self.popupCalculator(self.spinBox.value())
)
self.spinBox.editingFinished.connect( self.spinbox_editing_finished )
self.releaseKeyboard()
layout = QtGui.QHBoxLayout()
layout.setContentsMargins( 0, 0, 0, 0)
layout.setSpacing(0)
layout.addSpacing(3.5)
layout.addWidget(self.arrow)
layout.addWidget(self.spinBox)
layout.addWidget(self.calculatorButton)
self.reverse = reverse
self.neutral = neutral
self.setFocusProxy(self.spinBox)
self.setLayout(layout)
if not self.reverse:
if not self.neutral:
self.icons = {
-1:self.go_down_red,
1:self.go_up,
0:self.zero,
}
else:
self.icons = {
-1:self.go_down_blue,
1:self.go_up_blue,
0:self.zero,
}
else:
self.icons = {
1:self.go_down_red,
-1:self.go_up,
0:self.zero,
}
[docs] def set_field_attributes(self, editable = True,
background_color = None,
tooltip = None,
prefix = '',
suffix = '',
minimum = constants.camelot_minfloat,
maximum = constants.camelot_maxfloat,
single_step = 1.0, **kwargs):
self.set_enabled(editable)
self.set_background_color(background_color)
self.setToolTip(unicode(tooltip or ''))
self.spinBox.setPrefix(u'%s '%(unicode(prefix).lstrip()))
self.spinBox.setSuffix(u' %s'%(unicode(suffix).rstrip()))
self.spinBox.setRange(minimum, maximum)
self.spinBox.setSingleStep(single_step)
[docs] def set_enabled(self, editable=True):
self.spinBox.setReadOnly(not editable)
self.spinBox.setEnabled(editable)
self.calculatorButton.setShown(editable)
if editable:
self.spinBox.setButtonSymbols(QtGui.QAbstractSpinBox.UpDownArrows)
else:
self.spinBox.setButtonSymbols(QtGui.QAbstractSpinBox.NoButtons)
[docs] def set_value(self, value):
value = CustomEditor.set_value(self, value) or 0.0
self.spinBox.setValue(value)
self.arrow.setPixmap( self.icons[cmp(value,0)].getQPixmap() )
[docs] def get_value(self):
self.spinBox.interpretText()
value = self.spinBox.value()
return CustomEditor.get_value(self) or value
[docs] def calculation_finished(self, value):
self.spinBox.setValue(float(unicode(value)))
self.editingFinished.emit()
@QtCore.pyqtSlot()
[docs] def spinbox_editing_finished(self):
self.editingFinished.emit()
[docs] def set_background_color(self, background_color):
set_background_color_palette( self.spinBox.lineEdit(), background_color )