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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 "listviews.h"
#include <tqlabel.h>
#include <tqpainter.h>
#include <tqpalette.h>
#include <tqobjectlist.h>
#include <tqpopupmenu.h>
#include <ntqheader.h>
#include <tqregexp.h>
// -----------------------------------------------------------------
MessageHeader::MessageHeader( const MessageHeader &mh )
{
msender = mh.msender;
msubject = mh.msubject;
mdatetime = mh.mdatetime;
}
MessageHeader &MessageHeader::operator=( const MessageHeader &mh )
{
msender = mh.msender;
msubject = mh.msubject;
mdatetime = mh.mdatetime;
return *this;
}
// -----------------------------------------------------------------
Folder::Folder( Folder *parent, const TQString &name )
: TQObject( parent, name ), fName( name )
{
lstMessages.setAutoDelete( TRUE );
}
// -----------------------------------------------------------------
FolderListItem::FolderListItem( TQListView *parent, Folder *f )
: TQListViewItem( parent )
{
myFolder = f;
setText( 0, f->folderName() );
if ( myFolder->children() )
insertSubFolders( myFolder->children() );
}
FolderListItem::FolderListItem( FolderListItem *parent, Folder *f )
: TQListViewItem( parent )
{
myFolder = f;
setText( 0, f->folderName() );
if ( myFolder->children() )
insertSubFolders( myFolder->children() );
}
void FolderListItem::insertSubFolders( const TQObjectList *lst )
{
Folder *f;
for ( f = ( Folder* )( ( TQObjectList* )lst )->first(); f; f = ( Folder* )( ( TQObjectList* )lst )->next() )
(void)new FolderListItem( this, f );
}
// -----------------------------------------------------------------
MessageListItem::MessageListItem( TQListView *parent, Message *m )
: TQListViewItem( parent )
{
myMessage = m;
setText( 0, myMessage->header().sender() );
setText( 1, myMessage->header().subject() );
setText( 2, myMessage->header().datetime().toString() );
}
void MessageListItem::paintCell( TQPainter *p, const TQColorGroup &cg,
int column, int width, int alignment )
{
TQColorGroup _cg( cg );
TQColor c = _cg.text();
if ( myMessage->state() == Message::Unread )
_cg.setColor( TQColorGroup::Text, TQt::red );
TQListViewItem::paintCell( p, _cg, column, width, alignment );
_cg.setColor( TQColorGroup::Text, c );
}
// -----------------------------------------------------------------
ListViews::ListViews( TQWidget *parent, const char *name )
: TQSplitter( TQt::Horizontal, parent, name )
{
lstFolders.setAutoDelete( TRUE );
folders = new TQListView( this );
folders->header()->setClickEnabled( FALSE );
folders->addColumn( "Folder" );
initFolders();
setupFolders();
folders->setRootIsDecorated( TRUE );
setResizeMode( folders, TQSplitter::KeepSize );
TQSplitter *vsplitter = new TQSplitter( TQt::Vertical, this );
messages = new TQListView( vsplitter );
messages->addColumn( "Sender" );
messages->addColumn( "Subject" );
messages->addColumn( "Date" );
messages->setColumnAlignment( 1, TQt::AlignRight );
messages->setAllColumnsShowFocus( TRUE );
messages->setShowSortIndicator( TRUE );
menu = new TQPopupMenu( messages );
for( int i = 1; i <= 10; i++ )
menu->insertItem( TQString( "Context Item %1" ).arg( i ) );
connect(messages, TQ_SIGNAL( contextMenuRequested( TQListViewItem *, const TQPoint& , int ) ),
this, TQ_SLOT( slotRMB( TQListViewItem *, const TQPoint &, int ) ) );
vsplitter->setResizeMode( messages, TQSplitter::KeepSize );
message = new TQLabel( vsplitter );
message->setAlignment( TQt::AlignTop );
message->setBackgroundMode( PaletteBase );
connect( folders, TQ_SIGNAL( selectionChanged( TQListViewItem* ) ),
this, TQ_SLOT( slotFolderChanged( TQListViewItem* ) ) );
connect( messages, TQ_SIGNAL( selectionChanged() ),
this, TQ_SLOT( slotMessageChanged() ) );
connect( messages, TQ_SIGNAL( currentChanged( TQListViewItem * ) ),
this, TQ_SLOT( slotMessageChanged() ) );
messages->setSelectionMode( TQListView::Extended );
// some preparations
folders->firstChild()->setOpen( TRUE );
folders->firstChild()->firstChild()->setOpen( TRUE );
folders->setCurrentItem( folders->firstChild()->firstChild()->firstChild() );
folders->setSelected( folders->firstChild()->firstChild()->firstChild(), TRUE );
messages->setSelected( messages->firstChild(), TRUE );
messages->setCurrentItem( messages->firstChild() );
message->setMargin( 5 );
TQValueList<int> lst;
lst.append( 170 );
setSizes( lst );
}
void ListViews::initFolders()
{
unsigned int mcount = 1;
for ( unsigned int i = 1; i < 20; i++ ) {
TQString str;
str = TQString( "Folder %1" ).arg( i );
Folder *f = new Folder( 0, str );
for ( unsigned int j = 1; j < 5; j++ ) {
TQString str2;
str2 = TQString( "Sub Folder %1" ).arg( j );
Folder *f2 = new Folder( f, str2 );
for ( unsigned int k = 1; k < 3; k++ ) {
TQString str3;
str3 = TQString( "Sub Sub Folder %1" ).arg( k );
Folder *f3 = new Folder( f2, str3 );
initFolder( f3, mcount );
}
}
lstFolders.append( f );
}
}
void ListViews::initFolder( Folder *folder, unsigned int &count )
{
for ( unsigned int i = 0; i < 15; i++, count++ ) {
TQString str;
str = TQString( "Message %1 " ).arg( count );
TQDateTime dt = TQDateTime::currentDateTime();
dt = dt.addSecs( 60 * count );
MessageHeader mh( "Trolltech <info@trolltech.com> ", str, dt );
TQString body;
body = TQString( "This is the message number %1 of this application, \n"
"which shows how to use TQListViews, TQListViewItems, \n"
"TQSplitters and so on. The code should show how easy\n"
"this can be done in TQt." ).arg( count );
Message *msg = new Message( mh, body );
folder->addMessage( msg );
}
}
void ListViews::setupFolders()
{
folders->clear();
for ( Folder* f = lstFolders.first(); f; f = lstFolders.next() )
(void)new FolderListItem( folders, f );
}
void ListViews::slotRMB( TQListViewItem* Item, const TQPoint & point, int )
{
if( Item )
menu->popup( point );
}
void ListViews::slotFolderChanged( TQListViewItem *i )
{
if ( !i )
return;
messages->clear();
message->setText( "" );
FolderListItem *item = ( FolderListItem* )i;
for ( Message* msg = item->folder()->firstMessage(); msg;
msg = item->folder()->nextMessage() )
(void)new MessageListItem( messages, msg );
}
void ListViews::slotMessageChanged()
{
TQListViewItem *i = messages->currentItem();
if ( !i )
return;
if ( !i->isSelected() ) {
message->setText( "" );
return;
}
MessageListItem *item = ( MessageListItem* )i;
Message *msg = item->message();
TQString text;
TQString tmp = msg->header().sender();
tmp = tmp.replace( "<", "<" );
tmp = tmp.replace( ">", ">" );
text = TQString( "<b><i>From:</i></b> <a href=\"mailto:info@trolltech.com\">%1</a><br>"
"<b><i>Subject:</i></b> <big><big><b>%2</b></big></big><br>"
"<b><i>Date:</i></b> %3<br><br>"
"%4" ).
arg( tmp ).arg( msg->header().subject() ).
arg( msg->header().datetime().toString() ).arg( msg->body() );
message->setText( text );
msg->setState( Message::Read );
}
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