basic_plugin

import maya.OpenMayaUI as omui
import System.QTutils as QTutils
reload(QTutils)
from PySide import QtCore as qc
from PySide import QtGui as qg
from shiboken import wrapInstance

PLUGIN_NAME = "Tools"
PLUGIN_INFO = "Test plugin info"


def maya_main_window():
    main_window_ptr = omui.MQtUtil.mainWindow()
    return wrapInstance(long(main_window_ptr), qg.QWidget)

class toolBox_UI(qg.QDialog):
    def __init__(self, parent=maya_main_window()):
        super(toolBox_UI, self).__init__(parent)

        self.setWindowTitle("testFileUI")
        self.setWindowFlags(qc.Qt.Tool)

        self.setFixedWidth(300)
        self.setFixedHeight(485)
        self.setAttribute(qc.Qt.WA_DeleteOnClose) #!
        self.setContentsMargins(0,0,0,0)
        self.create_layout()

    def create_layout(self):
    #main layout
        main_layout = qg.QVBoxLayout()
        main_layout.setContentsMargins(0,0,0,0)
        main_layout.setSpacing(0)
        main_layout.setAlignment(qc.Qt.AlignTop)

        top = QTutils.header("plugin name")
        main_layout.layout().addWidget(top)

        self.setLayout(main_layout)