kmconfigfilter.cpp

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #include "kmconfigfilter.h"
00021 #include "kmmanager.h"
00022 #include "kmfactory.h"
00023 
00024 #include <qgroupbox.h>
00025 #include <qlineedit.h>
00026 #include <qtoolbutton.h>
00027 #include <qlayout.h>
00028 #include <qlabel.h>
00029 #include <qapplication.h>
00030 
00031 #include <klocale.h>
00032 #include <kconfig.h>
00033 #include <kiconloader.h>
00034 #include <klistbox.h>
00035 #include <kdialog.h>
00036 
00037 KMConfigFilter::KMConfigFilter(QWidget *parent, const char *name)
00038 : KMConfigPage(parent, name)
00039 {
00040     setPageName(i18n("Filter"));
00041     setPageHeader(i18n("Printer Filtering Settings"));
00042     setPagePixmap("filter");
00043 
00044     QGroupBox   *box = new QGroupBox(0, Qt::Vertical, i18n("Printer Filter"), this);
00045 
00046     m_list1 = new KListBox(box);
00047     m_list1->setSelectionMode(KListBox::Extended);
00048     m_list2 = new KListBox(box);
00049     m_list2->setSelectionMode(KListBox::Extended);
00050     m_add = new QToolButton( box );
00051     m_add->setIconSet(QApplication::reverseLayout() ? SmallIconSet( "back" ) : SmallIconSet( "forward" ));
00052     m_remove = new QToolButton( box );
00053     m_remove->setIconSet(QApplication::reverseLayout() ? SmallIconSet( "forward" ) : SmallIconSet( "back" ));
00054     m_locationre = new QLineEdit(box);
00055     QLabel  *lab = new QLabel(box);
00056     lab->setText(i18n("The printer filtering allows you to view only a specific set of "
00057                       "printers instead of all of them. This may be useful when there are a "
00058               "lot of printers available but you only use a few ones. Select the "
00059               "printers you want to see from the list on the left or enter a <b>Location</b> "
00060               "filter (ex: Group_1*). Both are cumulative and ignored if empty."));
00061     lab->setTextFormat(Qt::RichText);
00062     QLabel  *lab1 = new QLabel(i18n("Location filter:"), box);
00063 
00064     QVBoxLayout *l0 = new QVBoxLayout(this, 0, KDialog::spacingHint());
00065     l0->addWidget(box, 1);
00066     QVBoxLayout *l1 = new QVBoxLayout(box->layout(), KDialog::spacingHint());
00067     l1->addWidget(lab);
00068     QGridLayout *l2 = new QGridLayout(0, 4, 3, 0, KDialog::spacingHint());
00069     l1->addLayout(l2);
00070     l2->setRowStretch(0, 1);
00071     l2->setRowStretch(3, 1);
00072     l2->setColStretch(0, 1);
00073     l2->setColStretch(2, 1);
00074     l2->addMultiCellWidget(m_list1, 0, 3, 0, 0);
00075     l2->addMultiCellWidget(m_list2, 0, 3, 2, 2);
00076     l2->addWidget(m_add, 1, 1);
00077     l2->addWidget(m_remove, 2, 1);
00078     QHBoxLayout *l3 = new QHBoxLayout(0, 0, KDialog::spacingHint());
00079     l1->addLayout(l3, 0);
00080     l3->addWidget(lab1, 0);
00081     l3->addWidget(m_locationre, 1);
00082 
00083     connect(m_add, SIGNAL(clicked()), SLOT(slotAddClicked()));
00084     connect(m_remove, SIGNAL(clicked()), SLOT(slotRemoveClicked()));
00085     connect(m_list1, SIGNAL(selectionChanged()), SLOT(slotSelectionChanged()));
00086     connect(m_list2, SIGNAL(selectionChanged()), SLOT(slotSelectionChanged()));
00087     m_add->setEnabled(false);
00088     m_remove->setEnabled(false);
00089 }
00090 
00091 void KMConfigFilter::loadConfig(KConfig *conf)
00092 {
00093     conf->setGroup("Filter");
00094     QStringList m_plist = conf->readListEntry("Printers");
00095     QPtrListIterator<KMPrinter> it(*(KMManager::self()->printerListComplete(false)));
00096     for (; it.current(); ++it)
00097     {
00098         if (!it.current()->isSpecial() && !it.current()->isVirtual())
00099         {
00100             KListBox    *lb = (m_plist.find(it.current()->printerName()) == m_plist.end() ? m_list1 : m_list2);
00101             lb->insertItem(SmallIcon(it.current()->pixmap()), it.current()->printerName());
00102         }
00103     }
00104     m_list1->sort();
00105     m_list2->sort();
00106     m_locationre->setText(conf->readEntry("LocationRe"));
00107 }
00108 
00109 void KMConfigFilter::saveConfig(KConfig *conf)
00110 {
00111     conf->setGroup("Filter");
00112     QStringList plist;
00113     for (uint i=0; i<m_list2->count(); i++)
00114         plist << m_list2->text(i);
00115     conf->writeEntry("Printers", plist);
00116     conf->writeEntry("LocationRe", m_locationre->text());
00117 }
00118 
00119 void KMConfigFilter::transfer(KListBox *from, KListBox *to)
00120 {
00121     for (uint i=0; i<from->count();)
00122     {
00123         if (from->isSelected(i))
00124         {
00125             to->insertItem(*(from->pixmap(i)), from->text(i));
00126             from->removeItem(i);
00127         }
00128         else
00129             i++;
00130     }
00131     to->sort();
00132 }
00133 
00134 void KMConfigFilter::slotAddClicked()
00135 {
00136     transfer(m_list1, m_list2);
00137 }
00138 
00139 void KMConfigFilter::slotRemoveClicked()
00140 {
00141     transfer(m_list2, m_list1);
00142 }
00143 
00144 void KMConfigFilter::slotSelectionChanged()
00145 {
00146     const KListBox  *lb = static_cast<const KListBox*>(sender());
00147     if (!lb)
00148         return;
00149     QToolButton *pb = (lb == m_list1 ? m_add : m_remove);
00150     for (uint i=0; i<lb->count(); i++)
00151         if (lb->isSelected(i))
00152         {
00153             pb->setEnabled(true);
00154             return;
00155         }
00156     pb->setEnabled(false);
00157 }
00158 
00159 #include "kmconfigfilter.moc"
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