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/*
This file is part of libkdepim.
Copyright (c) 2000, 2001, 2002 Cornelius Schumacher <schumacher@kde.org>
Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
Copyright (c) 2005 Rafal Rzepecki <divide@users.sourceforge.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "categoryeditdialog.h"
#include "ui_categoryeditdialog_base.h"
#include "categoryhierarchyreader.h"
#include "kpimprefs.h"
#include <KLocale>
#include <QHeaderView>
#include <QList>
#include <QStringList>
using namespace KPIM;
CategoryEditDialog::CategoryEditDialog( KPimPrefs *prefs, QWidget *parent )
: KDialog( parent ), mPrefs( prefs )
{
setCaption( i18n( "Edit Categories" ) );
setButtons( Ok | Apply | Cancel | Help );
mWidgets = new Ui::CategoryEditDialog_base();
QWidget *widget = new QWidget( this );
widget->setObjectName( QLatin1String( "CategoryEdit" ) );
mWidgets->setupUi( widget );
mWidgets->mCategories->header()->hide();
mWidgets->mButtonAdd->setIcon( KIcon( QLatin1String( "list-add" ) ) );
mWidgets->mButtonAddSubcategory->setIcon( KIcon( QLatin1String( "list-add" ) ) );
mWidgets->mButtonRemove->setIcon( KIcon( QLatin1String( "list-remove" ) ) );
// unfortunately, kde-core-devel will not allow this code in KDialog
// because these button's functionality cannot be easily generalized.
//TODO(KDE4.3): uncomment when strings are unfrozen
//setButtonToolTip( Ok, i18n( "Apply changes and close" ) );
//setButtonWhatsThis( Ok, i18n( "When clicking <b>Ok</b>, "
// "the settings will be handed over to the "
// "program and the dialog will be closed." ) );
//setButtonToolTip( Cancel, i18n( "Cancel changes and close" ) );
//setButtonWhatsThis( Cancel, i18n( "When clicking <b>Cancel</b>, "
// "the settings will be discarded and the "
// "dialog will be closed." ) );
//setButtonWhatsThis( Help, i18n( "When clicking <b>Help</b>, "
// "a separate KHelpCenter window will open "
// "providing more information about the settings." ) );
setMainWidget( widget );
fillList();
mWidgets->mCategories->setFocus();
connect( mWidgets->mCategories, SIGNAL(currentItemChanged(QTreeWidgetItem *,QTreeWidgetItem *)),
SLOT(editItem(QTreeWidgetItem *)) );
connect( mWidgets->mCategories, SIGNAL(itemSelectionChanged()),
SLOT(slotSelectionChanged()) );
connect( mWidgets->mCategories, SIGNAL(itemCollapsed(QTreeWidgetItem *)),
SLOT(expandIfToplevel(QTreeWidgetItem *)) );
connect( mWidgets->mEdit, SIGNAL(textChanged(const QString &)),
this, SLOT(slotTextChanged(const QString &)) );
connect( mWidgets->mButtonAdd, SIGNAL(clicked()),
this, SLOT(add()) );
connect( mWidgets->mButtonAddSubcategory, SIGNAL(clicked()),
this, SLOT(addSubcategory()) );
connect( mWidgets->mButtonRemove, SIGNAL(clicked()),
this, SLOT(remove()) );
connect( this, SIGNAL(okClicked()), this, SLOT(slotOk()) );
connect( this, SIGNAL(cancelClicked()), this, SLOT(slotCancel()) );
connect( this, SIGNAL(applyClicked()), this, SLOT(slotApply()) );
}
CategoryEditDialog::~CategoryEditDialog()
{
delete mWidgets;
}
void CategoryEditDialog::fillList()
{
CategoryHierarchyReaderQTreeWidget( mWidgets->mCategories ).read( mPrefs->mCustomCategories );
mWidgets->mButtonRemove->setEnabled( mWidgets->mCategories->topLevelItemCount() > 0 );
mWidgets->mButtonAddSubcategory->setEnabled( mWidgets->mCategories->topLevelItemCount() > 0 );
}
void CategoryEditDialog::slotTextChanged( const QString &text )
{
QTreeWidgetItem *item = mWidgets->mCategories->currentItem();
if ( item ) {
item->setText( 0, text );
}
}
void CategoryEditDialog::slotSelectionChanged()
{
QTreeWidgetItemIterator it( mWidgets->mCategories, QTreeWidgetItemIterator::Selected );
mWidgets->mButtonRemove->setEnabled( *it );
}
void CategoryEditDialog::add()
{
if ( !mWidgets->mEdit->text().isEmpty() ) {
QTreeWidgetItem *newItem =
new QTreeWidgetItem( mWidgets->mCategories,
QStringList( i18n( "New category" ) ) );
newItem->setExpanded( true );
mWidgets->mCategories->setCurrentItem( newItem );
mWidgets->mCategories->clearSelection();
newItem->setSelected( true );
mWidgets->mCategories->scrollToItem( newItem );
mWidgets->mButtonRemove->setEnabled( mWidgets->mCategories->topLevelItemCount() > 0 );
mWidgets->mButtonAddSubcategory->setEnabled( mWidgets->mCategories->topLevelItemCount() > 0 );
mWidgets->mEdit->setFocus();
}
}
void CategoryEditDialog::addSubcategory()
{
if ( !mWidgets->mEdit->text().isEmpty() ) {
QTreeWidgetItem *newItem =
new QTreeWidgetItem( mWidgets->mCategories->currentItem(),
QStringList( i18n( "New category" ) ) );
newItem->setExpanded( true );
mWidgets->mCategories->setCurrentItem( newItem );
mWidgets->mCategories->clearSelection();
newItem->setSelected( true );
mWidgets->mCategories->scrollToItem( newItem );
mWidgets->mEdit->setFocus();
}
}
void CategoryEditDialog::remove()
{
QList<QTreeWidgetItem*> to_remove = mWidgets->mCategories->selectedItems();
while ( !to_remove.isEmpty() ) {
deleteItem( to_remove.takeFirst(), to_remove );
}
mWidgets->mButtonRemove->setEnabled( mWidgets->mCategories->topLevelItemCount() > 0 );
mWidgets->mButtonAddSubcategory->setEnabled( mWidgets->mCategories->topLevelItemCount() > 0 );
if ( mWidgets->mCategories->currentItem() ) {
mWidgets->mCategories->currentItem()->setSelected( true );
}
}
void CategoryEditDialog::deleteItem( QTreeWidgetItem *item, QList<QTreeWidgetItem *> &to_remove )
{
if ( !item ) {
return;
}
for ( int i = item->childCount() - 1; i >= 0; i-- ) {
QTreeWidgetItem *child = item->child( i );
to_remove.removeAll( child );
deleteItem( child, to_remove );
}
delete item;
}
void CategoryEditDialog::slotOk()
{
slotApply();
accept();
}
void CategoryEditDialog::slotApply()
{
mPrefs->mCustomCategories.clear();
QStringList path;
QTreeWidgetItemIterator it( mWidgets->mCategories );
while ( *it ) {
path = mWidgets->mCategories->pathByItem( *it++ );
path.replaceInStrings(
KPimPrefs::categorySeparator, QLatin1Char( '\\' ) + KPimPrefs::categorySeparator );
mPrefs->mCustomCategories.append( path.join( KPimPrefs::categorySeparator ) );
}
mPrefs->writeConfig();
emit categoryConfigChanged();
}
void CategoryEditDialog::slotCancel()
{
reload();
}
void CategoryEditDialog::editItem( QTreeWidgetItem *item )
{
if ( item ) {
mWidgets->mEdit->setText( item->text( 0 ) );
}
}
void CategoryEditDialog::reload()
{
fillList();
}
void CategoryEditDialog::show()
{
QTreeWidgetItem *first = 0;
if ( mWidgets->mCategories->topLevelItemCount() ) {
first = mWidgets->mCategories->topLevelItem( 0 );
mWidgets->mCategories->setCurrentItem( first );
}
mWidgets->mCategories->clearSelection();
if ( first ) {
first->setSelected( true );
editItem( first );
}
KDialog::show();
}
void CategoryEditDialog::expandIfToplevel( QTreeWidgetItem *item )
{
if ( !item->parent() ) {
item->setExpanded( true );
}
}
#include "categoryeditdialog.moc"
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