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