DockedGUI.py

import maya.cmds
import maya.mel

class BaseGUI(object):
    @classmethod
    def showUI(cls):
        win=cls()
        win.createUI()

    def __init__(self):
        self.winName='window_Name'
        self.title='window title'
        self.size=(300,400)
        self.v=maya.mel.eval('getApplicationVersionAsFloat')
        if self.v>= 2011: self.dock=True
        else: self.dock=False

    def createUI(self):
            """
            Creates dockable GUI if maya version above 2011
            else creates flying window
            """

            if self.dock:
                    if maya.cmds.dockControl(self.winName+"_dock",q=True,exists=True):
                            maya.cmds.deleteUI(self.winName+"_dock")
            else:
                    if maya.cmds.window(self.winName,q=True, exists=True):
                            maya.cmds.deleteUI(self.winName)
            self.window=maya.cmds.window(self.winName, title = self.title,
                                         widthHeight=self.size,retain=False)
            self.tabLayout=maya.cmds.tabLayout('tabLayout',parent=self.winName,
                                    innerMarginWidth=5,scr=True,
                                    innerMarginHeight=5,cr=True)


            ###All  controls to be placed in mainLayout###
            self.commonLayout()


            #Edit tabs layout
            self.editTabLayout()

            #Show the window
            if self.dock:
                    maya.cmds.dockControl(self.winName+"_dock",w=self.size[0], label=self.title, area="left",
                                      content=self.winName)
            else:
                    maya.cmds.showWindow(self.winName)

    def commonLayout(self):
        """ Add control in this method for by overriding in your py module"""
        self.mainLayout=maya.cmds.columnLayout("mainLayout",parent="tabLayout",adj=True)
        ## add more laytouts update editTabLayout accordingly..
        self.secondTab=maya.cmds.columnLayout('secondTab', adjustableColumn=True,parent="tabLayout")


    def editTabLayout(self):
        """You can add more tabs here, in tablayout by overriding this method in your py module"""
        maya.cmds.tabLayout( 'tabLayout', edit=True,scr=True,
                             tabLabel=((self.mainLayout,'Label 1'),
                                       (self.secondTab, 'Label 2')
                                       )
                             )