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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "checklists.h"
#include <tqlistview.h>
#include <ntqvbox.h>
#include <tqlabel.h>
#include <tqvaluelist.h>
#include <tqstring.h>
#include <tqpushbutton.h>
#include <ntqlayout.h>
/*
* Constructor
*
* Create all child widgets of the CheckList Widget
*/
CheckLists::CheckLists( TQWidget *parent, const char *name )
: TQWidget( parent, name )
{
TQHBoxLayout *lay = new TQHBoxLayout( this );
lay->setMargin( 5 );
// create a widget which layouts its childs in a column
TQVBoxLayout *vbox1 = new TQVBoxLayout( lay );
vbox1->setMargin( 5 );
// First child: a Label
vbox1->addWidget( new TQLabel( "Check some items!", this ) );
// Second child: the ListView
lv1 = new TQListView( this );
vbox1->addWidget( lv1 );
lv1->addColumn( "Items" );
lv1->setRootIsDecorated( TRUE );
// create a list with 4 ListViewItems which will be parent items of other ListViewItems
TQValueList<TQListViewItem *> parentList;
parentList.append( new TQCheckListItem( lv1, "Parent Item 1", TQCheckListItem::CheckBoxController ) );
parentList.append( new TQCheckListItem( lv1, "Parent Item 2", TQCheckListItem::CheckBoxController ) );
parentList.append( new TQCheckListItem( lv1, "Parent Item 3", TQCheckListItem::CheckBoxController ) );
parentList.append( new TQCheckListItem( lv1, "Parent Item 4", TQCheckListItem::CheckBoxController ) );
TQListViewItem *item = 0;
unsigned int num = 1;
// go through the list of parent items...
for ( TQValueList<TQListViewItem*>::Iterator it = parentList.begin(); it != parentList.end();
( *it )->setOpen( TRUE ), ++it, num++ ) {
item = *it;
// ...and create 5 checkable child ListViewItems for each parent item
for ( unsigned int i = 1; i <= 5; i++ )
(void)new TQCheckListItem( item, TQString( "%1. Child of Parent %2" ).arg( i ).arg( num ), TQCheckListItem::CheckBox );
}
// Create another widget for layouting
TQVBoxLayout *tmp = new TQVBoxLayout( lay );
tmp->setMargin( 5 );
// create a pushbutton
TQPushButton *copy1 = new TQPushButton( " -> ", this );
tmp->addWidget( copy1 );
copy1->setMaximumWidth( copy1->sizeHint().width() );
// connect the TQ_SIGNAL clicked() of the pushbutton with the TQ_SLOT copy1to2()
connect( copy1, TQ_SIGNAL( clicked() ), this, TQ_SLOT( copy1to2() ) );
// another widget for layouting
TQVBoxLayout *vbox2 = new TQVBoxLayout( lay );
vbox2->setMargin( 5 );
// and another label
vbox2->addWidget( new TQLabel( "Check one item!", this ) );
// create the second listview
lv2 = new TQListView( this );
vbox2->addWidget( lv2 );
lv2->addColumn( "Items" );
lv2->setRootIsDecorated( TRUE );
// another widget needed for layouting only
tmp = new TQVBoxLayout( lay );
tmp->setMargin( 5 );
// create another pushbutton...
TQPushButton *copy2 = new TQPushButton( " -> ", this );
lay->addWidget( copy2 );
copy2->setMaximumWidth( copy2->sizeHint().width() );
// ...and connect its clicked() TQ_SIGNAL to the copy2to3() TQ_SLOT
connect( copy2, TQ_SIGNAL( clicked() ), this, TQ_SLOT( copy2to3() ) );
tmp = new TQVBoxLayout( lay );
tmp->setMargin( 5 );
// and create a label which will be at the right of the window
label = new TQLabel( "No Item yet...", this );
tmp->addWidget( label );
}
/*
* TQ_SLOT copy1to2()
*
* Copies all checked ListViewItems from the first ListView to
* the second one, and inserts them as Radio-ListViewItem.
*/
void CheckLists::copy1to2()
{
// create an iterator which operates on the first ListView
TQListViewItemIterator it( lv1 );
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!
TQCheckListItem *item = new TQCheckListItem( lv2, "Controller", TQCheckListItem::Controller );
item->setOpen( TRUE );
// iterate through the first ListView...
for ( ; it.current(); ++it )
// ...check state of childs, and...
if ( it.current()->parent() )
// ...if the item is checked...
if ( ( (TQCheckListItem*)it.current() )->isOn() )
// ...insert a Radio-ListViewItem with the same text into the second ListView
(void)new TQCheckListItem( item, it.current()->text( 0 ), TQCheckListItem::RadioButton );
if ( item->firstChild() )
( ( TQCheckListItem* )item->firstChild() )->setOn( TRUE );
}
/*
* TQ_SLOT copy2to3()
*
* Copies the checked item of the second ListView into the
* Label at the right.
*/
void CheckLists::copy2to3()
{
// create an iterator which operates on the second ListView
TQListViewItemIterator it( lv2 );
label->setText( "No Item checked" );
// iterate through the second ListView...
for ( ; it.current(); ++it )
// ...check state of childs, and...
if ( it.current()->parent() )
// ...if the item is checked...
if ( ( (TQCheckListItem*)it.current() )->isOn() )
// ...set the text of the item to the label
label->setText( it.current()->text( 0 ) );
}
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