knewstuff Library API Documentation

downloaddialog.cpp

00001 /*
00002     This file is part of KNewStuff.
00003     Copyright (c) 2003 Josef Spillner <spillner@kde.org>
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 as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public License
00016     along with this library; see the file COPYING.LIB.  If not, write to
00017     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00018     Boston, MA 02111-1307, USA.
00019 */
00020 
00021 #include "downloaddialog.h"
00022 #include "downloaddialog.moc"
00023 
00024 #include <klocale.h>
00025 #include <ktabctl.h>
00026 #include <klistview.h>
00027 #include <kdebug.h>
00028 #include <kio/job.h>
00029 #include <kio/netaccess.h>
00030 #include <kmessagebox.h>
00031 #include <kurl.h>
00032 #include <kconfig.h>
00033 #include <kapplication.h>
00034 #include <kiconloader.h>
00035 
00036 #include <knewstuff/entry.h>
00037 #include <knewstuff/knewstuffgeneric.h>
00038 #include <knewstuff/engine.h>
00039 
00040 #include <qlayout.h>
00041 #include <qpushbutton.h>
00042 #include <qdom.h>
00043 #include <qlabel.h>
00044 #include <qtextbrowser.h>
00045 #include <qtimer.h> // hack
00046 
00047 using namespace KNS;
00048 
00049 struct DownloadDialog::Private
00050 {
00051     QString m_providerlist;
00052     QWidget *m_page;
00053 };
00054 
00055 class NumSortListViewItem : public KListViewItem
00056 {
00057   public:
00058   NumSortListViewItem( QListView * parent, QString label1, QString label2 = QString::null, QString label3 = QString::null, QString label4 = QString::null, QString label5 = QString::null, QString label6 = QString::null, QString label7 = QString::null, QString label8 = QString::null )  :
00059   KListViewItem( parent, label1, label2, label3, label4, label5, label6, label7, label8 )
00060   {
00061   }
00062 
00063   QString key(int col, bool asc) const {
00064     if (col == 2)
00065     {
00066       QString s;
00067       s.sprintf("%08d", text(col).toInt());
00068       return s;
00069     }
00070     return KListViewItem::key( col, asc );
00071   }
00072 };
00073 
00074 class DateSortListViewItem : public KListViewItem
00075 {
00076   public:
00077   DateSortListViewItem( QListView * parent, QString label1, QString label2 = QString::null, QString label3 = QString::null, QString label4 = QString::null, QString label5 = QString::null, QString label6 = QString::null, QString label7 = QString::null, QString label8 = QString::null )  :
00078   KListViewItem( parent, label1, label2, label3, label4, label5, label6, label7, label8 )
00079   {
00080   }
00081 
00082   QString key(int col, bool asc) const {
00083     if (col == 2)
00084     {
00085       QString s;
00086       QDate date = KGlobal::locale()->readDate(text(col));
00087       s.sprintf("%08d", date.year() * 366 + date.dayOfYear());
00088       return s;
00089     }
00090     return KListViewItem::key( col, asc );
00091   }
00092 };
00093 
00094 // BEGIN deprecated for KDE 4
00095 DownloadDialog::DownloadDialog(Engine *engine, QWidget *)
00096 : KDialogBase(KDialogBase::IconList, i18n("Get Hot New Stuff"),
00097   KDialogBase::Close, KDialogBase::Close)
00098 {
00099   init(engine);
00100 }
00101 
00102 DownloadDialog::DownloadDialog(QWidget *)
00103 : KDialogBase(KDialogBase::IconList, i18n("Get Hot New Stuff"),
00104   KDialogBase::Close, KDialogBase::Close)
00105 {
00106   init(0);
00107 }
00108 
00109 void DownloadDialog::open(QString type)
00110 {
00111   DownloadDialog d;
00112   d.setType(type);
00113   d.load();
00114   d.exec();
00115 }
00116 // END deprecated for KDE 4
00117 
00118 DownloadDialog::DownloadDialog(Engine *engine, QWidget *, const QString& caption)
00119 : KDialogBase(KDialogBase::IconList, (caption.isNull() ? i18n("Get Hot New Stuff") : caption),
00120   KDialogBase::Close, KDialogBase::Close)
00121 {
00122   init(engine);
00123 }
00124 
00125 DownloadDialog::DownloadDialog(QWidget *, const QString& caption)
00126 : KDialogBase(KDialogBase::IconList, (caption.isNull() ? i18n("Get Hot New Stuff") : caption),
00127   KDialogBase::Close, KDialogBase::Close)
00128 {
00129   init(0);
00130 }
00131 
00132 void DownloadDialog::init(Engine *engine)
00133 {
00134   resize(700, 400);
00135   d = new Private();
00136 
00137   m_engine = engine;
00138   d->m_page = NULL;
00139 
00140   connect(this, SIGNAL(aboutToShowPage(QWidget*)), SLOT(slotPage(QWidget*)));
00141 
00142   if(!engine)
00143   {
00144     m_loader = new ProviderLoader(this);
00145     connect(m_loader, SIGNAL(providersLoaded(Provider::List*)), SLOT(slotProviders(Provider::List*)));
00146   }
00147 }
00148 
00149 DownloadDialog::~DownloadDialog()
00150 {
00151     delete d;
00152 }
00153 
00154 void DownloadDialog::load()
00155 {
00156   m_loader->load(m_filter, d->m_providerlist);
00157 }
00158 
00159 void DownloadDialog::load(QString providerList)
00160 {
00161   m_loader->load(m_filter, providerList);
00162 }
00163 
00164 void DownloadDialog::clear()
00165 {
00166   QMap<QWidget*, QValueList<KListView*>* >::Iterator it;
00167   for(it = m_map.begin(); it != m_map.end(); it++)
00168   {
00169     QValueList<KListView*> *v = it.data();
00170     kdDebug() << "clear listviews in " << v << endl;
00171     if(v)
00172     {
00173       (*(v->at(0)))->clear();
00174       (*(v->at(1)))->clear();
00175       (*(v->at(2)))->clear();
00176 
00177       //delete (*it);
00178     }
00179 
00180     delete it.key();
00181   }
00182   m_map.clear();
00183 }
00184 
00185 void DownloadDialog::slotProviders(Provider::List *list)
00186 {
00187   Provider *p;
00188   /*QFrame *frame;*/
00189 
00190   for(p = list->first(); p; p = list->next())
00191   {
00192     kdDebug() << "++ provider ++ " << p->name() << endl;
00193 
00194     if(!m_filter.isEmpty())
00195       loadProvider(p);
00196     else
00197       addProvider(p);
00198     /*if(p == list->getFirst())
00199       slotPage(m_frame);*/ // only if !qtbug
00200   }
00201 }
00202 
00203 void DownloadDialog::addProvider(Provider *p)
00204 {
00205   QFrame *frame;
00206   KTabCtl *ctl;
00207   QWidget *w_d, *w_r, *w_l;
00208   QWidget *w2;
00209   KListView *lvtmp_r, *lvtmp_d, *lvtmp_l;
00210   QTextBrowser *rt;
00211   QString tmp;
00212   int ret;
00213   QPixmap pix;
00214 
00215   if(m_map.count() == 0)
00216   {
00217     frame = addPage(i18n("Welcome"), i18n("Welcome"), QPixmap(""));
00218     delete frame;
00219   }
00220 
00221   kdDebug() << "addProvider()/begin" << endl;
00222 
00223   ret = true;
00224   if(!p->icon().isValid()) ret = false;
00225   else ret = KIO::NetAccess::download(p->icon(), tmp, this);
00226   if(ret) pix = QPixmap(tmp);
00227   else pix = KGlobal::iconLoader()->loadIcon("knewstuff", KIcon::Panel);
00228   frame = addPage(p->name(), p->name(), pix);
00229   m_frame = frame;
00230 
00231   w2 = new QWidget(frame);
00232   w_d = new QWidget(frame);
00233   w_r = new QWidget(frame);
00234   w_l = new QWidget(frame);
00235 
00236   ctl = new KTabCtl(frame);
00237   ctl->addTab(w_r, i18n("Highest Rated"));
00238   ctl->addTab(w_d, i18n("Most Downloads"));
00239   ctl->addTab(w_l, i18n("Latest"));
00240 
00241   m_curtab = 0;
00242   connect(ctl, SIGNAL(tabSelected(int)), SLOT(slotTab(int)));
00243 
00244   QHBoxLayout *box = new QHBoxLayout(frame);
00245   box->add(ctl);
00246 
00247   lvtmp_r = new KListView(w_r);
00248   lvtmp_r->addColumn(i18n("Name"));
00249   lvtmp_r->addColumn(i18n("Version"));
00250   lvtmp_r->addColumn(i18n("Rating"));
00251   lvtmp_r->setSorting(2, false);
00252 
00253   lvtmp_d = new KListView(w_d);
00254   lvtmp_d->addColumn(i18n("Name"));
00255   lvtmp_d->addColumn(i18n("Version"));
00256   lvtmp_d->addColumn(i18n("Downloads"));
00257   lvtmp_d->setSorting(2, false);
00258 
00259   lvtmp_l = new KListView(w_l);
00260   lvtmp_l->addColumn(i18n("Name"));
00261   lvtmp_l->addColumn(i18n("Version"));
00262   lvtmp_l->addColumn(i18n("Release Date"));
00263   lvtmp_l->setSorting(2, false);
00264 
00265   connect(lvtmp_r, SIGNAL(selectionChanged()), SLOT(slotSelected()));
00266   connect(lvtmp_d, SIGNAL(selectionChanged()), SLOT(slotSelected()));
00267   connect(lvtmp_l, SIGNAL(selectionChanged()), SLOT(slotSelected()));
00268 
00269   rt = new QTextBrowser(frame);
00270   rt->setMinimumWidth(150);
00271 
00272   QPushButton *in = new QPushButton(i18n("Install"), frame);
00273   QPushButton *de = new QPushButton(i18n("Details"), frame);
00274   in->setEnabled(false);
00275   de->setEnabled(false);
00276 
00277   box->addSpacing(spacingHint());
00278   QVBoxLayout *vbox = new QVBoxLayout(box);
00279   vbox->add(rt);
00280   vbox->addSpacing(spacingHint());
00281   vbox->add(de);
00282   vbox->add(in);
00283 
00284   connect(in, SIGNAL(clicked()), SLOT(slotInstall()));
00285   connect(de, SIGNAL(clicked()), SLOT(slotDetails()));
00286 
00287   QVBoxLayout *box2 = new QVBoxLayout(w_r);
00288   box2->add(lvtmp_r);
00289   QVBoxLayout *box3 = new QVBoxLayout(w_d);
00290   box3->add(lvtmp_d);
00291   QVBoxLayout *box4 = new QVBoxLayout(w_l);
00292   box4->add(lvtmp_l);
00293 
00294   QValueList<KListView*> *v = new QValueList<KListView*>;
00295   *v << lvtmp_r << lvtmp_d << lvtmp_l;
00296   m_map[frame] = v;
00297   m_rts[frame] = rt;
00298   QValueList<QPushButton*> *vb = new QValueList<QPushButton*>;
00299   *vb << in << de;
00300   m_buttons[frame] = vb;
00301   m_providers[frame] = p;
00302 
00303   kdDebug() << "addProvider()/end; lvtmp_r = " << lvtmp_r << endl;
00304 
00305   if(m_engine) slotPage(frame);
00306 
00307   QTimer::singleShot(100, this, SLOT(slotFinish()));
00308 }
00309 
00310 void DownloadDialog::slotResult(KIO::Job *job)
00311 {
00312   QDomDocument dom;
00313   QDomElement knewstuff;
00314 
00315   kdDebug() << "got data: " << m_data[job] << endl;
00316 
00317   kapp->config()->setGroup("KNewStuffStatus");
00318 
00319   dom.setContent(m_data[job]);
00320   knewstuff = dom.documentElement();
00321 
00322   for(QDomNode pn = knewstuff.firstChild(); !pn.isNull(); pn = pn.nextSibling())
00323   {
00324     QDomElement stuff = pn.toElement();
00325 
00326     kdDebug() << "element: " << stuff.tagName() << endl;
00327 
00328     if(stuff.tagName() == "stuff")
00329     {
00330       Entry *entry = new Entry(stuff);
00331       kdDebug() << "TYPE::" << entry->type() << " FILTER::" << m_filter << endl;
00332       if(!entry->type().isEmpty())
00333       {
00334         if((!m_filter.isEmpty()) && (entry->type() != m_filter)) continue;
00335       }
00336 
00337       if((!m_filter.isEmpty()) && (m_jobs[job]))
00338       {
00339         Provider *p = m_jobs[job];
00340         addProvider(p);
00341         slotPage(m_frame);
00342         m_jobs[job] = 0;
00343       }
00344       addEntry(entry);
00345     }
00346   }
00347 
00348   m_data[job] = "";
00349 }
00350 
00351 int DownloadDialog::installStatus(Entry *entry)
00352 {
00353   QDate date;
00354   QString datestring;
00355   int installed;
00356  
00357   kapp->config()->setGroup("KNewStuffStatus");
00358   datestring = kapp->config()->readEntry(entry->name());
00359   if(datestring.isNull()) installed = 0;
00360   else
00361   {
00362     date = QDate::fromString(datestring, Qt::ISODate);
00363     if(!date.isValid()) installed = 0;
00364     else if(date < entry->releaseDate()) installed = -1;
00365     else installed = 1;
00366   }
00367 
00368   return installed;
00369 }
00370 
00371 void DownloadDialog::addEntry(Entry *entry)
00372 {
00373   QPixmap pix;
00374   int installed;
00375 
00376   /*if(m_engine)
00377   {
00378     if(m_map.count() == 0)
00379     {
00380       m_frame = addPage(i18n("Welcome"), i18n("Welcome"), QPixmap(""));
00381       Provider *p = new Provider();
00382       p->setName(i18n("Generic"));
00383       addProvider(p);
00384       slotPage(m_frame);
00385     }
00386   }*/
00387   installed = installStatus(entry);
00388 
00389   if(installed > 0) pix = KGlobal::iconLoader()->loadIcon("ok", KIcon::Small);
00390   else if(installed < 0) pix = KGlobal::iconLoader()->loadIcon("history", KIcon::Small);
00391   else pix = QPixmap();
00392 
00393   KListViewItem *tmp_r = new NumSortListViewItem(lv_r,
00394     entry->name(), entry->version(), QString("%1").arg(entry->rating()));
00395   KListViewItem *tmp_d = new NumSortListViewItem(lv_d,
00396     entry->name(), entry->version(), QString("%1").arg(entry->downloads()));
00397   KListViewItem *tmp_l = new DateSortListViewItem(lv_l,
00398     entry->name(), entry->version(), KGlobal::locale()->formatDate(entry->releaseDate()));
00399 
00400   tmp_r->setPixmap(0, pix);
00401   tmp_d->setPixmap(0, pix);
00402   tmp_l->setPixmap(0, pix);
00403 
00404   m_entries.append(entry);
00405 
00406   kdDebug() << "added entry " << entry->name() << endl;
00407 }
00408 
00409 void DownloadDialog::slotData(KIO::Job *job, const QByteArray &a)
00410 {
00411   QCString tmp(a, a.size() + 1);
00412   m_data[job].append(QString::fromUtf8(tmp));
00413 }
00414 
00415 void DownloadDialog::slotDetails()
00416 {
00417   Entry *e = getEntry();
00418   if(!e) return;
00419 
00420   QString lang = KGlobal::locale()->language();
00421 
00422   QString info = i18n
00423   (
00424     "Name: %1\n"
00425     "Author: %2\n"
00426     "License: %3\n"
00427     "Version: %4\n"
00428     "Release: %5\n"
00429     "Rating: %6\n"
00430     "Downloads: %7\n"
00431     "Release date: %8\n"
00432     "Summary: %9\n"
00433     ).arg(e->name()
00434     ).arg(e->author()
00435     ).arg(e->license()
00436     ).arg(e->version()
00437     ).arg(e->release()
00438     ).arg(e->rating()
00439     ).arg(e->downloads()
00440     ).arg(KGlobal::locale()->formatDate(e->releaseDate())
00441     ).arg(e->summary(lang)
00442   );
00443 
00444   info.append(i18n
00445   (
00446     "Preview: %1\n"
00447     "Payload: %2\n"
00448     ).arg(e->preview().url()
00449     ).arg(e->payload().url()
00450   ));
00451 
00452   KMessageBox::information(this, info, i18n("Details"));
00453 }
00454 
00455 void DownloadDialog::slotInstall()
00456 {
00457   Entry *e = getEntry();
00458   if(!e) return;
00459 
00460   kdDebug() << "download entry now" << endl;
00461 
00462   if(m_engine)
00463   {
00464     m_engine->download(e);
00465     install(e);
00466   }
00467   else
00468   {
00469     m_s = new KNewStuffGeneric(e->type(), this);
00470 
00471     m_entry = e;
00472 
00473     KURL source = e->payload();
00474     KURL dest = KURL(m_s->downloadDestination(e));
00475 
00476     KIO::FileCopyJob *job = KIO::file_copy(source, dest, -1, true);
00477     connect(job, SIGNAL(result(KIO::Job*)), SLOT(slotInstalled(KIO::Job*)));
00478   }
00479 }
00480 
00481 void DownloadDialog::install(Entry *e)
00482 {
00483   kapp->config()->setGroup("KNewStuffStatus");
00484   kapp->config()->writeEntry(m_entryname, e->releaseDate().toString(Qt::ISODate));
00485   kapp->config()->sync();
00486 
00487   QPixmap pix = KGlobal::iconLoader()->loadIcon("ok", KIcon::Small);
00488   m_entryitem = lv_r->findItem(m_entryname, 0);
00489   if(m_entryitem) m_entryitem->setPixmap(0, pix);
00490   m_entryitem = lv_d->findItem(m_entryname, 0);
00491   if(m_entryitem) m_entryitem->setPixmap(0, pix);
00492   m_entryitem = lv_l->findItem(m_entryname, 0);
00493   if(m_entryitem) m_entryitem->setPixmap(0, pix);
00494 
00495  
00496   QPushButton *in;
00497   in = *(m_buttons[d->m_page]->at(0));
00498   if(in) in->setEnabled(false);
00499 }
00500 
00501 void DownloadDialog::slotInstalled(KIO::Job *job)
00502 {
00503   bool ret = (job->error() == 0);
00504   KIO::FileCopyJob *cjob;
00505 
00506   if(ret)
00507   {
00508     cjob = static_cast<KIO::FileCopyJob*>(job);
00509     if(cjob)
00510     {
00511       ret = m_s->install(cjob->destURL().path());
00512     }
00513     else ret = false;
00514   }
00515 
00516   if(ret)
00517   {
00518     install(m_entry);
00519 
00520     KMessageBox::information(this, i18n("Installation successful."), i18n("Installation"));
00521   }
00522   else KMessageBox::error(this, i18n("Installation failed."), i18n("Installation"));
00523 
00524   delete m_s;
00525 }
00526 
00527 void DownloadDialog::slotTab(int tab)
00528 {
00529   kdDebug() << "switch tab to: " << tab << endl;
00530   m_curtab = tab;
00531 }
00532 
00533 void DownloadDialog::slotSelected()
00534 {
00535   QString tmp;
00536   bool enabled;
00537   Entry *e = getEntry();
00538   QString lang = KGlobal::locale()->language();
00539 
00540   if(e)
00541   {
00542     if(!e->preview(lang).isValid())
00543     {
00544       m_rt->setText(QString("<b>%1</b><br>%2<br>%3<br><br><i>%4</i><br>(%5)").arg(
00545         e->name()).arg(e->author()).arg(KGlobal::locale()->formatDate(e->releaseDate())).arg(e->summary(lang)).arg(e->license()));
00546     }
00547     else
00548     {
00549       KIO::NetAccess::download(e->preview(lang), tmp, this);
00550       m_rt->setText(QString("<b>%1</b><br>%2<br>%3<br><br><img src='%4'><br><i>%5</i><br>(%6)").arg(
00551         e->name()).arg(e->author()).arg(KGlobal::locale()->formatDate(e->releaseDate())).arg(tmp).arg(e->summary(lang)).arg(e->license()));
00552     }
00553 
00554     if(installStatus(e) == 1) enabled = false;
00555     else enabled = true;
00556 
00557     QPushButton *de, *in;
00558     in = *(m_buttons[d->m_page]->at(0));
00559     de = *(m_buttons[d->m_page]->at(1));
00560     if(in) in->setEnabled(enabled);
00561     if(de) de->setEnabled(true);
00562   }
00563 }
00564 
00565 Entry *DownloadDialog::getEntry()
00566 {
00567   if(m_curtab == 0) m_entryitem = lv_r->currentItem();
00568   else if(m_curtab == 1) m_entryitem = lv_d->currentItem();
00569   else if(m_curtab == 2) m_entryitem = lv_l->currentItem();
00570   else return 0;
00571 
00572   m_entryname = m_entryitem->text(0);
00573 
00574   for(Entry *e = m_entries.first(); e; e = m_entries.next())
00575   {
00576     if(e->name() == m_entryname) return e;
00577   }
00578 
00579   return 0;
00580 }
00581 
00582 void DownloadDialog::slotPage(QWidget *w)
00583 {
00584   Provider *p;
00585 
00586   kdDebug() << "changed widget!!!" << endl;
00587 
00588   if(m_map.find(w) == m_map.end()) return;
00589 
00590   d->m_page = w;
00591 
00592   lv_r = *(m_map[w]->at(0));
00593   lv_d = *(m_map[w]->at(1));
00594   lv_l = *(m_map[w]->at(2));
00595   p = m_providers[w];
00596   m_rt = m_rts[w];
00597 
00598   kdDebug() << "valid change!!!; lv_r = " << lv_r << endl;
00599 
00600   if(m_engine) return;
00601 
00602   if(!m_filter.isEmpty()) return;
00603 
00604   lv_r->clear();
00605   lv_d->clear();
00606   lv_l->clear();
00607 
00608   kdDebug() << "-- fetch -- " << p->downloadUrl() << endl;
00609 
00610   loadProvider(p);
00611 }
00612 
00613 void DownloadDialog::loadProvider(Provider *p)
00614 {
00615   KIO::TransferJob *job = KIO::get(p->downloadUrl());
00616 
00617   m_jobs[job] = p;
00618 
00619   connect(job, SIGNAL(result(KIO::Job*)), SLOT(slotResult(KIO::Job*)));
00620   connect(job, SIGNAL(data(KIO::Job*, const QByteArray&)),
00621     SLOT(slotData(KIO::Job*, const QByteArray&)));
00622 }
00623 
00624 void DownloadDialog::setType(QString type)
00625 {
00626   m_filter = type;
00627 }
00628 
00629 void DownloadDialog::setProviderList(const QString& providerList)
00630 {
00631   d->m_providerlist = providerList;
00632 }
00633 
00634 void DownloadDialog::slotOk()
00635 {
00636 }
00637 
00638 void DownloadDialog::slotApply()
00639 {
00640 }
00641 
00642 void DownloadDialog::open(const QString& type, const QString& caption)
00643 {
00644   DownloadDialog d(0, caption);
00645   d.setType(type);
00646   d.load();
00647   d.exec();
00648 }
00649 
00650 void DownloadDialog::slotFinish()
00651 {
00652   showPage(1);
00653   //updateBackground();
00654 }
00655 
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This file is part of the documentation for knewstuff Library Version 3.4.1.
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Generated on Sat Jun 11 20:28:34 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003