Auto-updating GUI

mkWindow.py

#-------------------------------------------------------------------------------
# Boiler Plate Code for Windows
# By : Kumaran
import pymel.core as pm


class UI(pm.uitypes.Window):
    _TITLE = "mkWindow"
    _LAYOUT = "mkLayout"
    _DOCKCONTROL = "mkDockCtrl"
    _SCRIPTJOB = "mkWindowScriptJob"
    dockControl = None

    currSel = None
    
    def __new__(cls, name):
        if pm.window(cls._TITLE, exists=True):
            pm.deleteUI(cls._TITLE)
        if(pm.dockControl(cls._DOCKCONTROL, ex=1)):
            pm.deleteUI(cls._DOCKCONTROL, control=1)
        self = pm.window(cls._TITLE, title=cls._TITLE)
        return pm.uitypes.Window.__new__(cls, self)
        
    def __init__(self, name):
        form = pm.formLayout(self._LAYOUT)
        with form:
            lbl_sel = pm.text(p=form, l="Selected:")
            form.attachForm(lbl_sel, 'left', 0)
            self.currSel = pm.textField(p=form, w=150, ip=1)
            form.attachControl(self.currSel, 'left', 5, lbl_sel)
        self.show()
        self._setup_scriptJob(name)
    
    def _setup_scriptJob(self, name):
        if pm.optionVar.has_key(self._SCRIPTJOB):
            jobNum = pm.optionVar[self._SCRIPTJOB]
            if pm.scriptJob(ex=jobNum):
                pm.scriptJob(kill=jobNum, force=True)
        jobNum = pm.scriptJob(event=["SelectionChanged", "%s.ui_refresh()" % name])
        pm.optionVar[self._SCRIPTJOB] = jobNum
        jobNum = pm.scriptJob(uid=[self._TITLE, 
            "pm.scriptJob(kill=pm.optionVar[\"%s\"], force=True)" % self._SCRIPTJOB])
    
    def ui_makeDockable(self):
        ''' make the window dockable '''
        # skip if already dockable
        if(self.dockControl):
            pm.mel.eval('warning "%s"' % "Window already dockable!")
            return
        # create dockControl
        self.dockControl = pm.dockControl(self._DOCKCONTROL, l=self, content=self, 
                            area='left', allowedArea=['left', 'right'])

    def ui_updateTextBox(self, msg):
        print "Recieved:", msg
        self.currSel.setText(msg)
    
    def ui_refresh(self):
        try:
            sel = pm.ls(sl=1)[0]
            self.ui_updateTextBox(sel)
        except IndexError:
            self.ui_updateTextBox("Nothing Selected!")
#
#-------------------------------------------------------------------------------        
win = UI("win")
#win.ui_makeDockable()