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pytqt/examples/checklists.py

136 lines
4.0 KiB

#!/usr/bin/env python
# Copyright (C) 2002 Oleksandr Yakovlyev (yshurik) <yshurik@thekompany.com>
import sys
from PyTQt.tqt import *
TRUE = 1
FALSE = 0
class CheckLists(TQWidget):
def __init__(self, *args):
TQWidget.__init__(* (self, ) + args )
lay = TQHBoxLayout(self)
lay.setMargin(5)
vbox1 = TQVBoxLayout(lay)
vbox1.setMargin(5)
# First child: a Label
vbox1.addWidget(TQLabel("Check some items!", self))
# Second child: the ListView
self.lv1 = TQListView(self)
vbox1.addWidget(self.lv1)
self.lv1.addColumn("Items")
self.lv1.setRootIsDecorated(TRUE)
# create a list with 4 ListViewItems which will be parent items of other ListViewItems
parentList = []
parentList.append( TQListViewItem( self.lv1, "Parent Item 1" ) )
parentList.append( TQListViewItem( self.lv1, "Parent Item 2" ) )
parentList.append( TQListViewItem( self.lv1, "Parent Item 3" ) )
parentList.append( TQListViewItem( self.lv1, "Parent Item 4" ) )
num = 0
self.childList1 = []
# go through the list of parent items...
for i in range(4):
it = parentList[i]
it.setOpen( TRUE )
# ...and create 5 checkable child ListViewItems for each parent item
for j in range(5):
ci = TQCheckListItem( it, TQString("%1. Child of Parent %2").arg( j ).arg( i ), TQCheckListItem.CheckBox )
self.childList1.append(ci)
# Create another widget for layouting
tmp1 = TQVBoxLayout( lay )
tmp1.setMargin( 5 )
# create a pushbutton
copy1 = TQPushButton( " -> ", self )
tmp1.addWidget( copy1 )
copy1.setMaximumWidth( copy1.sizeHint().width() );
# connect the SIGNAL clicked() of the pushbutton with the SLOT copy1to2()
self.connect( copy1, SIGNAL('clicked()'), self.copy1to2 )
# another widget for layouting
vbox2 = TQVBoxLayout( lay )
vbox2.setMargin( 5 )
# and another label
vbox2.addWidget( TQLabel( "Check one item!", self ) )
# create the second listview
self.lv2 = TQListView( self )
vbox2.addWidget( self.lv2 )
self.lv2.addColumn( "Items" )
self.lv2.setRootIsDecorated( TRUE )
# another widget needed for layouting only
tmp2 = TQVBoxLayout( lay )
tmp2.setMargin( 5 )
# create another pushbutton...
copy2 = TQPushButton( " -> ", self )
lay.addWidget( copy2 )
copy2.setMaximumWidth( copy2.sizeHint().width() )
# ...and connect its clicked() SIGNAL to the copy2to3() SLOT
self.connect( copy2, SIGNAL('clicked()'), self.copy2to3 )
tmp3 = TQVBoxLayout( lay )
tmp3.setMargin( 5 )
# and create a label which will be at the right of the window
self.label = TQLabel( "No Item yet...", self )
tmp3.addWidget( self.label )
def copy1to2(self):
self.lv2.clear()
# Insert first a controller Item into the second ListView. Always if Radio-ListViewItems
# are inserted into a Listview, the parent item of these MUST be a controller Item!
item = TQCheckListItem( self.lv2, "Controller", TQCheckListItem.Controller )
item.setOpen( TRUE )
self.listChild2 = []
for it in self.childList1:
# ...check state of childs, and...
if it.parent() != None:
# ...if the item is checked...
if it.isOn():
# ...insert a Radio-ListViewItem with the same text into the second ListView
ri = TQCheckListItem(item , it.text(0), TQCheckListItem.RadioButton)
self.listChild2.append(ri)
if item.firstChild() != None:
item.firstChild().setOn(TRUE)
def copy2to3(self):
self.label.setText( "No Item checked" )
# iterate through the second ListView...
for it in self.listChild2:
# ...check state of childs, and...
if it.parent() != None:
# ...if the item is checked...
if it.isOn():
# ...set the text of the item to the label
self.label.setText( it.text( 0 ) )
a = TQApplication(sys.argv)
checkLists = CheckLists()
checkLists.resize(700, 400)
checkLists.setCaption("PyTQt example - CheckLists")
a.setMainWidget(checkLists)
checkLists.show()
a.exec_loop()