The querry problem

[sumant shenoy]

hey every 

i am trying to write a ui class and the trying to querry it from the instance that i created but i keep on getting error here is an example please let me know if what i am trying to do is possible 

save this in C:\Users\u-user\Documents\maya\2016\scripts

## -*-coding:UTF-8-*

##Test

import os

import maya.mel as mel

import maya.cmds as cmds 

UIElements={}

class VgsRigTools:

    def __init__(self,WndNme,fml,width,height):        

        self.WndNme=WndNme

        self.fml=fml

        self.wdh=width

        self.hgt=height

        if cmds.window(self.WndNme,exists=True):

            cmds.deleteUI(self.WndNme)       

        UIElements["windowName"]=cmds.window(self.WndNme,t=self.WndNme,mxb=False,mnb=False,sizeable=True,w=self.wdh,h=self.hgt)

        UIElements["Fma"]=cmds.formLayout(self.fml,w=self.wdh,h=self.hgt)

        cmds.showWindow(self.WndNme)

    def Button(self,btnName,width,height,top,left):

        self.btnName=btnName

        self.btnWdt=width

        self.btnHgt=height

        self.btnTop=top

        self.btnLft=left

        UIElements["btnA"]=cmds.button(l=self.btnName,w=self.btnWdt,h=self.btnHgt,p=self.fml) 

        cmds.formLayout(self.fml,e=True,af=[(UIElements["btnA"],"top",self.btnTop),(UIElements["btnA"],"left",self.btnLft)])

    def chkBox(self,chkName,chkTop,chkLft):

        self.chkName=chkName

        self.chkTop=chkTop

        self.chkLft=chkLft

        UIElements["ChkA"]=cmds.checkBox( label=self.chkName )

        cmds.formLayout(self.fml,e=True,af=[(UIElements["ChkA"],"top",self.chkTop),(UIElements["ChkA"],"left",self.chkLft)])

                

and then i tried the below script from maya  but i was not able to querry the check box

from ClassTest import VgsRigTools

vrt=VgsRigTools

vrt=VgsRigTools('RigTools','RigLayout',400,100)

vrt.Button('ButtonA',50,20,10,0)

chkBx=vrt.chkBox('chktst',30,300)

cmds.checkBox(chkBx,q=True,v=True)

vrt.Button('ButtonB',50,20,50,0)

this is the error i got 

# Error: RuntimeError: file <maya console> line 6: No object name specified.

i know why i am getting the error but i have no idea how to fix it any help would be deeply appreciated 

Thank you 

sumanth :D

[Justin Israel]

I don't full understand the intent of the design, but I can tell you why it is failing and how to fix the specific error. Your chkBox() method does not return anything, but you are expecting it to return the name of the checkbox UI item, so that you can pass it to cmds.checkBox().

This would be the simplest fix for your code:

def chkBox(self,chkName,chkTop,chkLft):
    # ... the rest of the code
    return UIElements["ChkA"]

​

Now your chkBox() method returns the name of the checkbox.

I don't really understand the purpose of the global UIElements dictionary when you are already storing everything on the instance of your VgsRigTools class. The global is just an easy way to cause you problems down the line. If you were to do:

vrt1 = VgsRigTools('RigTools1','RigLayout1',400,100)
vrt2 = VgsRigTools('RigTools2','RigLayout2',400,100)

​

The second instance would overwrite the "windowName" and "Fma" keys in your global dictionary, but still create two windows.

 

Thank you 

sumanth :D

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[Justin Israel]

Yikes. My markdown plugin seems to have made strange formatting out of that code snippet:

[sumant shenoy]

Hi justin 

Thank you for the reply worked perfectly .i am kinda new to classes and kinda understanding its importance now .the basic idea is create a master class for gui creation so that i can set the name and postions 

of the buttons,windows,layouts,etc easily so every time i dont have to write the same thing over an over just a personal project too see how far i can take it to make my work more faster :D.thanks for the global dictionary tip too will keep it in mind 

for the future  also

Warm Regards

sumanth :D