knode/kngroupdialog.cpp

   1 /*
   2     KNode, the KDE newsreader
   3     Copyright (c) 1999-2006 the KNode authors.
   4     See file AUTHORS for details
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10     You should have received a copy of the GNU General Public License
  11     along with this program; if not, write to the Free Software Foundation,
  12     Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
  13 */
  14
  15 #include <QLabel>
  16 #include <QRadioButton>
  17 #include <QCheckBox>
  18
  19 #include <QGridLayout>
  20 #include <QGroupBox>
  21 #include <QVBoxLayout>
  22
  23 #include <kdebug.h>
  24 #include <kglobal.h>
  25 #include <kdatepicker.h>
  26 #include <klocale.h>
  27 #include <kmessagebox.h>
  28 #include <klineedit.h>
  29
  30 #include "utilities.h"
  31 #include "knnntpaccount.h"
  32 #include "kngroupdialog.h"
  33 #include "knglobals.h"
  34 #include <QPushButton>
  35
  36
  37 KNGroupDialog::KNGroupDialog( QWidget *parent, KNNntpAccount::Ptr a ) :
  38   KNGroupBrowser(parent, i18n("Subscribe to Newsgroups"),a, User1 | User2, true, i18n("New &List"), i18n("New &Groups...") )
  39 {
  40   rightLabel->setText(i18n("Current changes:"));
  41   subView=new Q3ListView(page);
  42   subView->addColumn(i18n("Subscribe To"));
  43   unsubView=new Q3ListView(page);
  44   unsubView->addColumn(i18n("Unsubscribe From"));
  45
  46   QVBoxLayout *protL=new QVBoxLayout();
  47   protL->setSpacing(3);
  48   listL->addLayout(protL, 1,2);
  49   protL->addWidget(subView);
  50   protL->addWidget(unsubView);
  51
  52   dir1=right;
  53   dir2=left;
  54
  55   connect(groupView, SIGNAL(selectionChanged(Q3ListViewItem*)),
  56     this, SLOT(slotItemSelected(Q3ListViewItem*)));
  57   connect(groupView, SIGNAL(selectionChanged()),
  58     this, SLOT(slotSelectionChanged()));
  59   connect(subView, SIGNAL(selectionChanged(Q3ListViewItem*)),
  60     this, SLOT(slotItemSelected(Q3ListViewItem*)));
  61   connect(unsubView, SIGNAL(selectionChanged(Q3ListViewItem*)),
  62     this, SLOT(slotItemSelected(Q3ListViewItem*)));
  63
  64   connect(arrowBtn1, SIGNAL(clicked()), this, SLOT(slotArrowBtn1()));
  65   connect(arrowBtn2, SIGNAL(clicked()), this, SLOT(slotArrowBtn2()));
  66
  67   connect( this, SIGNAL(user1Clicked()), SLOT(slotUser1()) );
  68   connect( this, SIGNAL(user2Clicked()), SLOT(slotUser2()) );
  69
  70   KNHelper::restoreWindowSize("groupDlg", this, QSize(662,393));  // optimized for 800x600
  71
  72   setHelp("anc-fetch-group-list");
  73 }
  74
  75
  76
  77 KNGroupDialog::~KNGroupDialog()
  78 {
  79   KNHelper::saveWindowSize("groupDlg", this->size());
  80 }
  81
  82
  83
  84 void KNGroupDialog::itemChangedState(CheckItem *it, bool s)
  85 {
  86   kDebug(5003) <<"KNGroupDialog::itemChangedState()";
  87   if(s){
  88     if(itemInListView(unsubView, it->info)) {
  89       removeListItem(unsubView, it->info);
  90       setButtonDirection(btn2, right);
  91       arrowBtn1->setEnabled(false);
  92       arrowBtn2->setEnabled(true);
  93     }
  94     else {
  95       new GroupItem(subView, it->info);
  96       arrowBtn1->setEnabled(false);
  97       arrowBtn2->setEnabled(false);
  98     }
  99   }
 100   else {
 101     if(itemInListView(subView, it->info)) {
 102       removeListItem(subView, it->info);
 103       setButtonDirection(btn1, right);
 104       arrowBtn1->setEnabled(true);
 105       arrowBtn2->setEnabled(false);
 106     }
 107     else {
 108       new GroupItem(unsubView, it->info);
 109       arrowBtn1->setEnabled(false);
 110       arrowBtn2->setEnabled(false);
 111     }
 112   }
 113 }
 114
 115
 116
 117 void KNGroupDialog::updateItemState(CheckItem *it)
 118 {
 119   it->setChecked( (it->info.subscribed && !itemInListView(unsubView, it->info)) ||
 120                   (!it->info.subscribed && itemInListView(subView, it->info)) );
 121
 122   if((it->info.subscribed || it->info.newGroup) && it->pixmap(0)==0)
 123     it->setPixmap(0, (it->info.newGroup)? pmNew:pmGroup);
 124 }
 125
 126
 127
 128 void KNGroupDialog::toSubscribe(QList<KNGroupInfo> *l)
 129 {
 130   l->clear();
 131
 132   bool moderated=false;
 133   Q3ListViewItemIterator it(subView);
 134   for(; it.current(); ++it) {
 135     const KNGroupInfo& info = ((static_cast<GroupItem*>(it.current()))->info);
 136     l->append(info);
 137     if (info.status==KNGroup::moderated)
 138       moderated=true;
 139   }
 140   if (moderated)   // warn the user
 141      KMessageBox::information( knGlobals.topWidget,
 142        i18n("You have subscribed to a moderated newsgroup.\nYour articles will not appear in the group immediately.\nThey have to go through a moderation process."),
 143        QString(), "subscribeModeratedWarning" );
 144 }
 145
 146
 147
 148 void KNGroupDialog::toUnsubscribe(QStringList *l)
 149 {
 150   l->clear();
 151   Q3ListViewItemIterator it(unsubView);
 152   for(; it.current(); ++it)
 153     l->append(((static_cast<GroupItem*>(it.current()))->info).name);
 154 }
 155
 156
 157
 158 void KNGroupDialog::setButtonDirection(arrowButton b, arrowDirection d)
 159 {
 160   QPushButton *btn=0;
 161   if(b==btn1 && dir1!=d) {
 162     btn=arrowBtn1;
 163     dir1=d;
 164   }
 165   else if(b==btn2 && dir2!=d) {
 166     btn=arrowBtn2;
 167     dir2=d;
 168   }
 169
 170   if(btn) {
 171     if(d==right)
 172       btn->setIcon(pmRight);
 173     else
 174       btn->setIcon(pmLeft);
 175   }
 176 }
 177
 178
 179
 180 void KNGroupDialog::slotItemSelected(Q3ListViewItem *it)
 181 {
 182   const QObject *s=sender();
 183
 184
 185   if(s==subView) {
 186     unsubView->clearSelection();
 187     groupView->clearSelection();
 188     arrowBtn2->setEnabled(false);
 189     arrowBtn1->setEnabled(true);
 190     setButtonDirection(btn1, left);
 191   }
 192   else if(s==unsubView) {
 193     subView->clearSelection();
 194     groupView->clearSelection();
 195     arrowBtn1->setEnabled(false);
 196     arrowBtn2->setEnabled(true);
 197     setButtonDirection(btn2, left);
 198   }
 199   else {
 200     CheckItem *cit;
 201     subView->clearSelection();
 202     unsubView->clearSelection();
 203     cit=static_cast<CheckItem*>(it);
 204     if(!cit->isOn() && !itemInListView(subView, cit->info) && !itemInListView(unsubView, cit->info)) {
 205       arrowBtn1->setEnabled(true);
 206       arrowBtn2->setEnabled(false);
 207       setButtonDirection(btn1, right);
 208     }
 209     else if(cit->isOn() && !itemInListView(unsubView, cit->info) && !itemInListView(subView, cit->info)) {
 210       arrowBtn2->setEnabled(true);
 211       arrowBtn1->setEnabled(false);
 212       setButtonDirection(btn2, right);
 213     }
 214     else {
 215       arrowBtn1->setEnabled(false);
 216       arrowBtn2->setEnabled(false);
 217     }
 218   }
 219 }
 220
 221
 222
 223 void KNGroupDialog::slotSelectionChanged()
 224 {
 225   if (!groupView->selectedItem())
 226     arrowBtn1->setEnabled(false);
 227 }
 228
 229
 230
 231 void KNGroupDialog::slotArrowBtn1()
 232 {
 233   if(dir1==right) {
 234     CheckItem *it=static_cast<CheckItem*>(groupView->selectedItem());
 235     if (it) {
 236       new GroupItem(subView, it->info);
 237       it->setChecked(true);
 238     }
 239   }
 240   else {
 241     GroupItem *it=static_cast<GroupItem*>(subView->selectedItem());
 242     if (it) {
 243       changeItemState(it->info, false);
 244       delete it;
 245     }
 246   }
 247
 248   arrowBtn1->setEnabled(false);
 249 }
 250
 251
 252 void KNGroupDialog::slotArrowBtn2()
 253 {
 254   if(dir2==right) {
 255     CheckItem *it=static_cast<CheckItem*>(groupView->selectedItem());
 256     if (it) {
 257       new GroupItem(unsubView, it->info);
 258       it->setChecked(false);
 259     }
 260   }
 261   else {
 262     GroupItem *it=static_cast<GroupItem*>(unsubView->selectedItem());
 263     if (it) {
 264       changeItemState(it->info, true);
 265       delete it;
 266     }
 267   }
 268
 269   arrowBtn2->setEnabled(false);
 270 }
 271
 272
 273 // new list
 274 void KNGroupDialog::slotUser1()
 275 {
 276   leftLabel->setText(i18n("Downloading groups..."));
 277   enableButton(User1,false);
 278   enableButton(User2,false);
 279   emit(fetchList(a_ccount));
 280 }
 281
 282
 283 // new groups
 284 void KNGroupDialog::slotUser2()
 285 {
 286   QDate lastDate = a_ccount->lastNewFetch();
 287   KDialog *dlg = new KDialog( this );
 288   dlg->setCaption( i18n("New Groups") );
 289   dlg->setButtons( Ok | Cancel );
 290
 291   QGroupBox *btnGrp = new QGroupBox( i18n("Check for New Groups"), dlg );
 292   dlg->setMainWidget(btnGrp);
 293   QGridLayout *topL = new QGridLayout( btnGrp );
 294
 295   QRadioButton *takeLast = new QRadioButton( i18n("Created since last check:"), btnGrp );
 296   topL->addWidget(takeLast, 0, 0, 1, 2 );
 297
 298   QLabel *l = new QLabel(KGlobal::locale()->formatDate(lastDate, KLocale::LongDate),btnGrp);
 299   topL->addWidget(l, 1, 1, Qt::AlignLeft);
 300
 301   connect(takeLast, SIGNAL(toggled(bool)), l, SLOT(setEnabled(bool)));
 302
 303   QRadioButton *takeCustom = new QRadioButton( i18n("Created since this date:"), btnGrp );
 304   topL->addWidget(takeCustom, 2, 0, 1, 2 );
 305
 306   dateSel = new KDatePicker( lastDate, btnGrp );
 307   dateSel->setMinimumSize(dateSel->sizeHint());
 308   topL->addWidget(dateSel, 3, 1, Qt::AlignLeft);
 309
 310   connect(takeCustom, SIGNAL(toggled(bool)), this, SLOT(slotDatePickerEnabled(bool)));
 311
 312   takeLast->setChecked(true);
 313   dateSel->setEnabled(false);
 314
 315   topL->addItem( new QSpacerItem(30, 0 ), 0, 0 );
 316
 317   if (dlg->exec()) {
 318     if (takeCustom->isChecked())
 319       lastDate = dateSel->date();
 320     a_ccount->setLastNewFetch(QDate::currentDate());
 321     leftLabel->setText(i18n("Checking for new groups..."));
 322     enableButton(User1,false);
 323     enableButton(User2,false);
 324     filterEdit->clear();
 325     subCB->setChecked(false);
 326     newCB->setChecked(true);
 327     emit(checkNew(a_ccount,lastDate));
 328     incrementalFilter=false;
 329     slotRefilter();
 330   }
 331
 332   delete dlg;
 333 }
 334
 335 void KNGroupDialog::slotDatePickerEnabled( bool b )
 336 {
 337   dateSel->setEnabled( b );
 338 }
 339
 340
 341 //--------------------------------
 342