Pyqt addition and deletion example (officially provided)

 

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# Copyright (c) 2010 Hans-Peter Jansen <[email protected]>.

# Copyright (c) 2010 Nokia Corporation and/or its subsidiary (-ies ).

# All Rights Reserved.

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# This file is part of the examples of pyqt.

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# $ Qt_begin_license: BSD $

# You may use this file under the terms of the BSD license as follows:

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# This software is provided by the copyright holders and contributors

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From pyqt4 import qtgui

 

 

Class window (qtgui. qwidget ):

Def _ init _ (self, parent = none ):

Super (window, self). _ init _ (parent)

 

# Set up the model.

Self. setupmodel ()

 

# Set up the widgets.

Namelabel = qtgui. qlabel ("na & me :")

Nameedit = qtgui. qlineedit ()

Addresslabel = qtgui. qlabel ("& Address :")

Addressedit = qtgui. qtextedit ()

Agelabel = qtgui. qlabel ("A & Ge (in years ):")

Agespinbox = qtgui. qspinbox ()

Self. nextbutton = qtgui. qpushbutton ("& next ")

Self. previusbutton = qtgui. qpushbutton ("& previous ")

Namelabel. setbuddy (nameedit)

Addresslabel. setbuddy (addressedit)

Agelabel. setbuddy (agespinbox)

 

# Set Up The mapper.

Self. mapper = qtgui. qdatawidgetmapper (Self)

Self. Mapper. setmodel (self. Model)

Self. Mapper. addmapping (nameedit, 0)

Self. Mapper. addmapping (addressedit, 1)

Self. Mapper. addmapping (agespinbox, 2)

 

# Set up connections and layouts.

Self. previusbutton. clicked. Connect (self. Mapper. toprevious)

Self. nextbutton. clicked. Connect (self. Mapper. tonext)

Self. Mapper. currentindexchanged. Connect (self. updatebuttons)

 

Layout = qtgui. qgridlayout ()

Layout. addwidget (namelabel, 0, 0, 1, 1)

Layout. addwidget (nameedit, 0, 1, 1, 1)

Layout. addwidget (self. previusbutton, 0, 2, 1, 1)

Layout. addwidget (addresslabel, 1, 0, 1, 1)

Layout. addwidget (addressedit, 1, 1, 2, 1)

Layout. addwidget (self. nextbutton, 1, 2, 1, 1)

Layout. addwidget (agelabel, 3, 0, 1, 1)

Layout. addwidget (agespinbox, 3, 1, 1)

Self. setlayout (layout)

 

Self. setwindowtitle ("simple widget mapper ")

Self. Mapper. tofirst ()

 

Def setupmodel (Self ):

Self. Model = qtgui. qstandarditemmodel (5, 3, self)

Names = ("Alice", "Bob", "Carol", "Donald", "Emma ")

Addresses = ("<QT> 123 Main Street <br/> market town </Qt> ",

"<QT> PO Box 32 <br/> mail handling service"

"<Br/> service city </Qt> ",

"<QT> the lighthouse <br/> remote island </Qt> ",

"<QT> 47338 Park Avenue <br/> big city </Qt> ",

"<QT> Research Station <br/> base camp <br/> big mountain </Qt> ")

Ages = ("20", "31", "32", "19", "26 ")

 

For row, name in enumerate (names ):

Item = qtgui. qstandarditem (name)

Self. model. setitem (row, 0, item)

Item = qtgui. qstandarditem (addresses [row])

Self. model. setitem (row, 1, item)

Item = qtgui. qstandarditem (ages [row])

Self. model. setitem (row, 2, item)

 

Def updatebuttons (self, row ):

Self. previusbutton. setenabled (row> 0)

Self. nextbutton. setenabled (row <self. model. rowcount ()-1)

 

 

If _ name _ = '_ main __':

 

Import sys

 

APP = qtgui. qapplication (SYS. argv)

 

Window = window ()

Window. Show ()

 

Sys.exit(app.exe C _())

 

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Pyqt addition and deletion example (officially provided)