RampEditor

from PySide import QtCore

from PySide import QtGui

parm = kwargs["parms"][0]

parmPath = parm.path()

if parm.parmTemplate().type().name() == "Ramp":

    class Example(QtGui.QWidget):

        def __init__(self):

        super(Example, self).__init__()

        self.initUI()

        def initUI(self):          

        self.setGeometry(300, 300, 250, 150)

        self.setWindowTitle('Ramp Editor')

        fbox = QtGui.QFormLayout()

        ##Lbox = QtGui.QVBoxLayout()

        ###Postion Scale###

        label1Scale = QtGui.QLabel('Position Scale:', self)

        PS_box = QtGui.QHBoxLayout()

        scalePos = QtGui.QDoubleSpinBox(self)

        scalePos.setValue(1)

        scalePos.setSingleStep(0.1)

        scalePos.setRange(-10.0,10.0)

        PS_box.addWidget(scalePos)

        PS_button = QtGui.QPushButton('ApplyPS', self)

        PS_button.clicked.connect(lambda: self.pressPS_Button( scalePos.value() ) )

        PS_box.addWidget(PS_button)

        fbox.addRow(label1Scale,PS_box)

        ###Postion Offset###

        label1Offset = QtGui.QLabel('Position Offset:', self)

        PO_box = QtGui.QHBoxLayout()

        offsetPos = QtGui.QDoubleSpinBox(self)

        offsetPos.setValue(0)

        offsetPos.setSingleStep(0.1)

        offsetPos.setRange(-10.0,10.0)

        PO_box.addWidget(offsetPos)

        PO_button = QtGui.QPushButton('ApplyPO', self)

        PO_button.clicked.connect(lambda: self.pressPO_Button( offsetPos.value() ) )

        PO_box.addWidget(PO_button)

        fbox.addRow(label1Offset,PO_box)

        ###Value Scale###

        label2Scale = QtGui.QLabel('Value Scale:', self)

        VS_box = QtGui.QHBoxLayout()

        scaleVal = QtGui.QDoubleSpinBox(self)

        scaleVal.setValue(1)

        scaleVal.setSingleStep(0.1)

        scaleVal.setRange(-10.0,10.0)

        VS_box.addWidget(scaleVal)

        VS_button = QtGui.QPushButton('ApplyVS', self)

        VS_button.clicked.connect(lambda: self.pressVS_Button( scaleVal.value() ) )

        VS_box.addWidget(VS_button)

        fbox.addRow(label2Scale,VS_box)

        ###Value Offset###

        label2Offset = QtGui.QLabel('Value Offset:', self)

        VO_box = QtGui.QHBoxLayout()

        offsetVal = QtGui.QDoubleSpinBox(self)

        offsetVal.setValue(0)

        offsetVal.setSingleStep(0.1)

        offsetVal.setRange(-10.0,10.0)

        VO_box.addWidget(offsetVal)

        VO_button = QtGui.QPushButton('ApplyVO', self)

        VO_button.clicked.connect(lambda: self.pressVO_Button( offsetVal.value() ) )

        VO_box.addWidget(VO_button)

        fbox.addRow(label2Offset,VO_box)

        self.setLayout(fbox)

        def pressPS_Button(self, scale):

            posList = parm.evalAsRamp().keys()

            with hou.undos.group("position scale"):

                for i in range(0, len(posList)):

                    posPath = parmPath + str(i+1) + "pos"

            value = posList[i] * scale

            hou.parm(posPath).set(value)

        def pressPO_Button(self, offset):

            posList = parm.evalAsRamp().keys()

            with hou.undos.group("position offset"):

                for i in range(0, len(posList)):

                posPath = parmPath + str(i+1) + "pos"

                value = posList[i] + offset

            hou.parm(posPath).set(value)

        def pressVS_Button(self, scale):

posList = parm.evalAsRamp().values()

with hou.undos.group("position scale"):

for i in range(0, len(posList)):

posPath = parmPath + str(i+1) + "value"

value = posList[i] * scale

hou.parm(posPath).set(value)

        def pressVO_Button(self, offset):

posList = parm.evalAsRamp().values()

with hou.undos.group("position offset"):

for i in range(0, len(posList)):

posPath = parmPath + str(i+1) + "value"

value = posList[i] + offset

hou.parm(posPath).set(value)

dialog = Example()

dialog.show()