ml_goToKeyframe.py 文件源码

def goToKeyframe(option='next', roundFrame=False, selected=False, selectKeys=False, searchHierarchy=False):
    '''

    '''

    if option != 'next' and option != 'previous':
        OpenMaya.MGlobal.displayWarning('Option argument should be "next" or "previous"')
        return

    if selected and selectKeys:
        OpenMaya.MGlobal.displayWarning('Cannot use selectKeys flag in conjunction with selected flag.')
        selectKeys = False

    sel = mc.ls(sl=True)
    currentTime = mc.currentTime(query=True)
    time = currentTime

    if not sel:
        if option == 'next':
            time+=1
        elif option == 'previous':
            time-=1
        else:
            return 
        #if nothing is selected, just go to the next or previous keyframe
        with utl.SkipUndo():
            mc.currentTime(time)
        return

    keySel = utl.KeySelection()

    if searchHierarchy:
        #if we're looking through the hierarchy, 
        keySel.keyedInHierarchy()

    else:
        #create the keySelection object.
        #all the heavy lifting is done in ml_utilities.
        if selected and keySel.selectedKeys():
            pass
        if keySel.visibleInGraphEditor():
            pass
        if keySel.selectedObjects():
            pass

    time = keySel.findKeyframe(which=option, roundFrame=roundFrame, loop=True)    

    if selectKeys:
        mc.selectKey(keySel.curves, time=(time,))


    #finally, set the time without adding to the undo queue
    with utl.SkipUndo():
        mc.currentTime(time, edit=True)