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tdepim/kmail/treebase.cpp

236 lines
7.6 KiB

/*
Copyright (c) 2008 Pradeepto K. Bhattacharya <pradeepto@kde.org>
( adapted from kdepim/kmail/kmfolderseldlg.cpp and simplefoldertree.h )
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "treebase.h"
#include "kmfolder.h"
#include "kmfoldertree.h"
#include "simplefoldertree.h"
#include <kdebug.h>
#include <klistview.h>
using namespace KMail;
TreeBase::TreeBase( TQWidget *parent, KMFolderTree *folderTree,
const TQString &preSelection, bool mustBeReadWrite )
: KListView( parent ), mFolderTree( folderTree )
{
Q_UNUSED( preSelection );
Q_UNUSED( mustBeReadWrite );
kdDebug(5006) << k_funcinfo << endl;
connect(this, TQT_SIGNAL(collapsed(TQListViewItem*)), TQT_SLOT(recolorRows()));
connect(this, TQT_SIGNAL(expanded(TQListViewItem*)), TQT_SLOT(recolorRows()));
connect( this, TQT_SIGNAL( contextMenuRequested( TQListViewItem*, const TQPoint &, int ) ),
this, TQT_SLOT( slotContextMenuRequested( TQListViewItem*, const TQPoint & ) ) );
}
const KMFolder * TreeBase::folder() const
{
TQListViewItem * item = currentItem();
if( item ) {
TreeItemBase *base = dynamic_cast<TreeItemBase*>( item );
assert(base);
const KMFolder * folder = base->folder();
return folder;
}
return 0;
}
void TreeBase::setFolder( KMFolder *folder )
{
for ( TQListViewItemIterator it( this ) ; it.current() ; ++it )
{
const KMFolder *fld = dynamic_cast<TreeItemBase*>( it.current() )->folder();
if ( fld == folder )
{
setSelected( it.current(), true );
ensureItemVisible( it.current() );
}
}
}
void TreeBase::addChildFolder()
{
kdDebug(5006) << k_funcinfo << endl;
const KMFolder *fld = folder();
if ( fld ) {
mFolderTree->addChildFolder( (KMFolder *) fld, tqparentWidget() );
reload( mLastMustBeReadWrite, mLastShowOutbox, mLastShowImapFolders );
setFolder( (KMFolder *) fld );
}
}
void TreeBase::slotContextMenuRequested( TQListViewItem *lvi, const TQPoint &p )
{
kdDebug(5006) << k_funcinfo << endl;
if (!lvi)
return;
setCurrentItem( lvi );
setSelected( lvi, TRUE );
const KMFolder * folder = dynamic_cast<TreeItemBase*>( lvi )->folder();
if ( !folder || folder->noContent() || folder->noChildren() )
return;
KPopupMenu *folderMenu = new KPopupMenu;
folderMenu->insertTitle( folder->label() );
folderMenu->insertSeparator();
folderMenu->insertItem(SmallIconSet("folder_new"),
i18n("&New Subfolder..."), this,
TQT_SLOT(addChildFolder()));
kmkernel->setContextMenuShown( true );
folderMenu->exec (p, 0);
kmkernel->setContextMenuShown( false );
delete folderMenu;
}
void TreeBase::recolorRows()
{
kdDebug(5006) << k_funcinfo << endl;
// Iterate through the list to set the alternate row flags.
int alt = 0;
TQListViewItemIterator it ( this );
while ( it.current() ) {
TQListViewItem * item = it.current() ;
if ( item->isVisible() ) {
bool visible = true;
TQListViewItem * parent = item->parent();
while ( parent ) {
if (!parent->isOpen()) {
visible = false;
break;
}
parent = parent->parent();
}
if ( visible ) {
TreeItemBase * treeItemBase = dynamic_cast<TreeItemBase*>( item );
treeItemBase->setAlternate( alt );
alt = !alt;
}
}
++it;
}
}
void TreeBase::reload( bool mustBeReadWrite, bool showOutbox, bool showImapFolders,
const TQString& preSelection )
{
clear();
mLastMustBeReadWrite = mustBeReadWrite;
mLastShowOutbox = showOutbox;
mLastShowImapFolders = showImapFolders;
TQListViewItem * lastItem = 0;
TQListViewItem * lastTopItem = 0;
TQListViewItem * selectedItem = 0;
int lastDepth = 0;
mFilter = "";
TQString path;
for ( TQListViewItemIterator it( mFolderTree ) ; it.current() ; ++it ) {
KMFolderTreeItem * fti = dynamic_cast<KMFolderTreeItem *>( it.current() );
if ( !fti || fti->protocol() == KFolderTreeItem::Search )
continue;
int depth = fti->depth();// - 1;
//kdDebug( 5006 ) << "LastDepth=" << lastDepth << "\tdepth=" << depth
// << "\tname=" << fti->text( 0 ) << endl;
TQListViewItem * item = 0;
if ( depth <= 0 ) {
// top level - first top level item or after last existing top level item
if ( lastTopItem )
item = createItem( this, lastTopItem );
else
item = createItem( this );
lastTopItem = item;
depth = 0;
path = "";
}
else {
if ( depth > lastDepth ) {
// next lower level - parent node will get opened
item = createItem( lastItem );
lastItem->setOpen( true );
}
else {
path = path.section( '/', 0, -2 - (lastDepth-depth) );
if ( depth == lastDepth )
// same level - behind previous item
item = createItem( lastItem->parent(), lastItem );
else if ( depth < lastDepth ) {
// above previous level - might be more than one level difference
// but highest possibility is top level
while ( ( depth <= --lastDepth ) && lastItem->parent() ) {
lastItem = static_cast<TQListViewItem *>( lastItem->parent() );
}
if ( lastItem->parent() )
item = createItem( lastItem->parent(), lastItem );
else {
// chain somehow broken - what does cause this ???
kdDebug( 5006 ) << "You shouldn't get here: depth=" << depth
<< "folder name=" << fti->text( 0 ) << endl;
item = createItem( this );
lastTopItem = item;
}
}
}
}
if ( depth > 0 )
path += "/";
path += fti->text( 0 );
item->setText( mFolderColumn, fti->text( 0 ) );
item->setText( mPathColumn, path );
// Make items without folders and top level items unselectable
// (i.e. root item Local Folders and IMAP accounts)
if ( !fti->folder() || depth == 0 || ( mustBeReadWrite && fti->folder()->isReadOnly() ) ) {
item->setSelectable( false );
} else {
TreeItemBase * treeItemBase = dynamic_cast<TreeItemBase*>( item );
assert(treeItemBase);
treeItemBase->setFolder( fti->folder() );
if ( preSelection == treeItemBase->folder()->idString() )
selectedItem = item;
}
lastItem = item;
lastDepth = depth;
}
if ( selectedItem ) {
setSelected( selectedItem, true );
ensureItemVisible( selectedItem );
}
}
#include "treebase.moc"