apps/kfind/kfindpart.cpp

   1 /* This file is part of the KDE projects
   2    Copyright (C) 2000 David Faure <faure@kde.org>
   3
   4    This program is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU General Public
   6    License as published by the Free Software Foundation; either
   7    version 2 of the License, or (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12     General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; see the file COPYING.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18 */
  19
  20 #include "kfindpart.h"
  21 #include "kfind.h"
  22 #include "kquery.h"
  23
  24 #include <kparts/genericfactory.h>
  25 #include <kdebug.h>
  26 #include <klocale.h>
  27 #include <kfileitem.h>
  28 #include <kdirlister.h>
  29 #include <kcomponentdata.h>
  30
  31 #include <QtCore/QDir>
  32
  33 typedef KParts::GenericFactory<KFindPart> KFindFactory;
  34 K_EXPORT_COMPONENT_FACTORY( libkfindpart, KFindFactory )
  35
  36 KFindPart::KFindPart( QWidget * parentWidget, QObject *parent, const QStringList & /*args*/ )
  37     : KParts::ReadOnlyPart(parent)
  38 {
  39     setComponentData( KFindFactory::componentData() );
  40
  41 //    setBrowserExtension( new KonqDirPartBrowserExtension( this ) );
  42
  43     kDebug() << "KFindPart::KFindPart " << this;
  44     m_kfindWidget = new Kfind( parentWidget );
  45     m_kfindWidget->setMaximumHeight(m_kfindWidget->minimumSizeHint().height());
  46
  47 #if 0 // TODO port?
  48     const KFileItem item = ((KonqDirPart*)parent)->currentItem();
  49     kDebug() << "Kfind: currentItem:  " << ( !item.isNull() ? item.url().path().toLocal8Bit() : QString("null") );
  50     QDir d;
  51     if( !item.isNull() && d.exists( item.url().path() ))
  52         m_kfindWidget->setURL( item.url() );
  53 #endif
  54
  55     setWidget( m_kfindWidget );
  56
  57     connect( m_kfindWidget, SIGNAL(started()),
  58              this, SLOT(slotStarted()) );
  59     connect( m_kfindWidget, SIGNAL(destroyMe()),
  60              this, SLOT(slotDestroyMe()) );
  61     connect(m_kfindWidget->dirlister,SIGNAL(deleteItem(const KFileItem&)), this, SLOT(removeFile(const KFileItem&)));
  62     connect(m_kfindWidget->dirlister,SIGNAL(newItems(const KFileItemList&)), this, SLOT(newFiles(const KFileItemList&)));
  63     //setXMLFile( "kfind.rc" );
  64     query = new KQuery(this);
  65     connect(query, SIGNAL(addFile(const KFileItem &, const QString&)),
  66             SLOT(addFile(const KFileItem &, const QString&)));
  67     connect(query, SIGNAL(result(int)),
  68             SLOT(slotResult(int)));
  69
  70     m_kfindWidget->setQuery(query);
  71     m_bShowsResult = false;
  72 }
  73
  74 KFindPart::~KFindPart()
  75 {
  76     m_lstFileItems.clear();
  77 }
  78
  79 KAboutData *KFindPart::createAboutData()
  80 {
  81     return new KAboutData( "kfindpart", 0, ki18nc( "Name of the component that finds things", "Find Component" ), "1.0" );
  82 }
  83
  84 bool KFindPart::openUrl( const KUrl &url )
  85 {
  86     m_kfindWidget->setURL( url );
  87     return true;
  88 }
  89
  90 void KFindPart::slotStarted()
  91 {
  92     kDebug() << "KFindPart::slotStarted";
  93     m_bShowsResult = true;
  94     m_lstFileItems.clear(); // clear our internal list
  95     emit started();
  96     emit clear();
  97 }
  98
  99 void KFindPart::addFile(const KFileItem &item, const QString& /*matchingLine*/)
 100 {
 101     m_lstFileItems.append( item );
 102
 103     KFileItemList lstNewItems;
 104     lstNewItems.append(item);
 105     emit newItems(lstNewItems);
 106
 107   /*
 108   win->insertItem(item);
 109
 110   if (!isResultReported)
 111   {
 112     emit haveResults(true);
 113     isResultReported = true;
 114   }
 115
 116   */
 117 }
 118
 119 /* An item has been removed, so update konqueror's view */
 120 void KFindPart::removeFile(const KFileItem &item)
 121 {
 122   KFileItemList listiter;
 123
 124   emit started();
 125   emit clear();
 126
 127   m_lstFileItems.removeAll( item );  //not working ?
 128
 129   foreach(const KFileItem &iter, m_lstFileItems) {
 130     if(iter.url() != item.url())
 131       listiter.append(iter);
 132   }
 133
 134   if (listiter.count())
 135     emit newItems(listiter);
 136   emit finished();
 137 }
 138
 139 void KFindPart::newFiles(const KFileItemList&)
 140 {
 141   if(m_bShowsResult)
 142     return;
 143   emit started();
 144   emit clear();
 145   if (m_lstFileItems.count())
 146     emit newItems(m_lstFileItems);
 147   emit finished();
 148 }
 149
 150 void KFindPart::slotResult(int errorCode)
 151 {
 152   if (errorCode == 0)
 153     emit finished();
 154     //setStatusMsg(i18n("Ready."));
 155   else if (errorCode == KIO::ERR_USER_CANCELED)
 156     emit canceled();
 157     //setStatusMsg(i18n("Aborted."));
 158   else
 159     emit canceled(); // TODO ?
 160     //setStatusMsg(i18n("Error."));
 161   m_bShowsResult=false;
 162   m_kfindWidget->searchFinished();
 163 }
 164
 165 void KFindPart::slotDestroyMe()
 166 {
 167   m_kfindWidget->stopSearch();
 168   emit clear(); // this is necessary to clear the delayed-mimetypes items list
 169   m_lstFileItems.clear(); // clear our internal list
 170   emit findClosed();
 171 }
 172
 173 void KFindPart::saveState( QDataStream& stream )
 174 {
 175     //KonqDirPart::saveState(stream);
 176
 177   m_kfindWidget->saveState( &stream );
 178   //Now we'll save the search result
 179   stream << m_lstFileItems.count();
 180   foreach(const KFileItem &fileitem, m_lstFileItems)
 181   {
 182         stream << fileitem;
 183   }
 184 }
 185
 186 void KFindPart::restoreState( QDataStream& stream )
 187 {
 188     //KonqDirPart::restoreState(stream);
 189   int nbitems;
 190   KUrl itemUrl;
 191
 192   m_kfindWidget->restoreState( &stream );
 193
 194   stream >> nbitems;
 195   slotStarted();
 196   for(int i=0;i<nbitems;i++)
 197   {
 198     KFileItem item( KFileItem::Unknown, KFileItem::Unknown, KUrl() );
 199     stream >> item;
 200     m_lstFileItems.append(item);
 201   }
 202   if (nbitems)
 203     emit newItems(m_lstFileItems);
 204
 205   emit finished();
 206 }
 207
 208 #include "kfindpart.moc"