apps/kfind/kfinddlg.cpp

   1 /***********************************************************************
   2  *
   3  *  Kfinddlg.cpp
   4  *
   5  **********************************************************************/
   6 #include "kfinddlg.h"
   7 #include "kfinddlg.moc"
   8
   9 #include <QtGui/QLayout>
  10 #include <QtGui/QPushButton>
  11
  12 #include <klocale.h>
  13 #include <kglobal.h>
  14 #include <kguiitem.h>
  15 #include <kstatusbar.h>
  16 #include <kmessagebox.h>
  17 #include <kdebug.h>
  18 #include <kaboutapplicationdialog.h>
  19 #include <kstandarddirs.h>
  20
  21 #include "kftabdlg.h"
  22 #include "kquery.h"
  23 #include "kfwin.h"
  24
  25 KfindDlg::KfindDlg(const KUrl & url, QWidget *parent)
  26   : KDialog( parent )
  27 {
  28   setButtons( User1 | User2 | User3 | Close | Help );
  29   setHelp( QString(), "kfind" );
  30   setDefaultButton( User3 );
  31   setModal( true );
  32
  33   setButtonGuiItem( User3, KStandardGuiItem::find());
  34   setButtonGuiItem( User2, KStandardGuiItem::stop() );
  35   setButtonGuiItem( User1, KStandardGuiItem::saveAs() );
  36
  37   QWidget::setWindowTitle( i18n("Find Files/Folders" ) );
  38   setButtonsOrientation(Qt::Vertical);
  39
  40   enableButton(User3, true); // Enable "Find"
  41   enableButton(User2, false); // Disable "Stop"
  42   enableButton(User1, false); // Disable "Save As..."
  43
  44   isResultReported = false;
  45
  46   QFrame *frame = new QFrame;
  47   setMainWidget( frame );
  48
  49   // create tabwidget
  50   tabWidget = new KfindTabWidget( frame );
  51   tabWidget->setURL( url );
  52
  53   // prepare window for find results
  54   win = new KfindWindow(frame );
  55
  56   mStatusBar = new KStatusBar(frame);
  57   mStatusBar->insertFixedItem("AMiddleLengthText...", 0);
  58   setStatusMsg(i18n("Ready."));
  59   mStatusBar->setItemAlignment(0, Qt::AlignLeft | Qt::AlignVCenter);
  60   mStatusBar->insertPermanentItem(QString(), 1, 1);
  61   mStatusBar->setItemAlignment(1, Qt::AlignLeft | Qt::AlignVCenter);
  62
  63   QVBoxLayout *vBox = new QVBoxLayout(frame);
  64   vBox->addWidget(tabWidget, 0);
  65   vBox->addWidget(win, 1);
  66   vBox->addWidget(mStatusBar, 0);
  67
  68   connect(this, SIGNAL(user3Clicked()),
  69           this, SLOT(startSearch()));
  70   connect(this, SIGNAL(user2Clicked()),
  71           this, SLOT(stopSearch()));
  72   connect(this, SIGNAL(user1Clicked()),
  73           win, SLOT(saveResults()));
  74
  75   connect(win ,SIGNAL(resultSelected(bool)),
  76           this,SIGNAL(resultSelected(bool)));
  77
  78   query = new KQuery(frame);
  79   connect(query, SIGNAL(addFile(const KFileItem&,const QString&)),
  80           SLOT(addFile(const KFileItem&,const QString&)));
  81   connect(query, SIGNAL(result(int)), SLOT(slotResult(int)));
  82
  83   dirwatch=NULL;
  84 }
  85
  86 KfindDlg::~KfindDlg()
  87 {
  88    stopSearch();
  89 }
  90
  91 void KfindDlg::closeEvent(QCloseEvent *)
  92 {
  93    slotButtonClicked(KDialog::Close);
  94 }
  95
  96 void KfindDlg::setProgressMsg(const QString &msg)
  97 {
  98    mStatusBar->changeItem(msg, 1);
  99 }
 100
 101 void KfindDlg::setStatusMsg(const QString &msg)
 102 {
 103    mStatusBar->changeItem(msg, 0);
 104 }
 105
 106
 107 void KfindDlg::startSearch()
 108 {
 109   tabWidget->setQuery(query);
 110
 111   isResultReported = false;
 112
 113   // Reset count - use the same i18n as below
 114   setProgressMsg(i18np("one file found", "%1 files found", 0));
 115
 116   emit resultSelected(false);
 117   emit haveResults(false);
 118
 119   enableButton(User3, false); // Disable "Find"
 120   enableButton(User2, true); // Enable "Stop"
 121   enableButton(User1, false); // Disable "Save As..."
 122
 123   if(dirwatch!=NULL)
 124     delete dirwatch;
 125   dirwatch=new KDirWatch();
 126   connect(dirwatch, SIGNAL(created(const QString&)), this, SLOT(slotNewItems(const QString&)));
 127   connect(dirwatch, SIGNAL(deleted(const QString&)), this, SLOT(slotDeleteItem(const QString&)));
 128   dirwatch->addDir(query->url().path(), KDirWatch::WatchFiles);
 129
 130 #if 0
 131   // waba: Watching for updates is disabled for now because even with FAM it causes too
 132   // much problems. See BR68220, BR77854, BR77846, BR79512 and BR85802
 133   // There are 3 problems:
 134   // 1) addDir() keeps looping on recursive symlinks
 135   // 2) addDir() scans all subdirectories, so it basically does the same as the process that
 136   // is started by KQuery but in-process, undoing the advantages of using a separate find process
 137   // A solution could be to let KQuery emit all the directories it has searched in.
 138   // Either way, putting dirwatchers on a whole file system is probably just too much.
 139   // 3) FAM has a tendency to deadlock with so many files (See BR77854) This has hopefully
 140   // been fixed in KDirWatch, but that has not yet been confirmed.
 141
 142   //Getting a list of all subdirs
 143   if(tabWidget->isSearchRecursive() && (dirwatch->internalMethod() == KDirWatch::FAM))
 144   {
 145     const QStringList subdirs=getAllSubdirs(query->url().path());
 146     for(QStringList::const_iterator it = subdirs.constBegin(); it != subdirs.constEnd(); ++it)
 147       dirwatch->addDir(*it,true);
 148   }
 149 #endif
 150
 151   win->beginSearch(query->url());
 152   tabWidget->beginSearch();
 153
 154   setStatusMsg(i18n("Searching..."));
 155   query->start();
 156 }
 157
 158 void KfindDlg::stopSearch()
 159 {
 160   query->kill();
 161 }
 162
 163 void KfindDlg::newSearch()
 164 {
 165   // WABA: Not used any longer?
 166   stopSearch();
 167
 168   tabWidget->setDefaults();
 169
 170   emit haveResults(false);
 171   emit resultSelected(false);
 172
 173   setFocus();
 174 }
 175
 176 void KfindDlg::slotResult(int errorCode)
 177 {
 178   if (errorCode == 0)
 179     setStatusMsg(i18n("Ready."));
 180   else if (errorCode == KIO::ERR_USER_CANCELED)
 181     setStatusMsg(i18n("Aborted."));
 182   else if (errorCode == KIO::ERR_MALFORMED_URL)
 183   {
 184      setStatusMsg(i18n("Error."));
 185      KMessageBox::sorry( this, i18n("Please specify an absolute path in the \"Look in\" box."));
 186   }
 187   else if (errorCode == KIO::ERR_DOES_NOT_EXIST)
 188   {
 189      setStatusMsg(i18n("Error."));
 190      KMessageBox::sorry( this, i18n("Could not find the specified folder."));
 191   }
 192   else
 193   {
 194      kDebug()<<"KIO error code: "<<errorCode;
 195      setStatusMsg(i18n("Error."));
 196   };
 197
 198   enableButton(User3, true); // Enable "Find"
 199   enableButton(User2, false); // Disable "Stop"
 200   enableButton(User1, true); // Enable "Save As..."
 201
 202   win->endSearch();
 203   tabWidget->endSearch();
 204   setFocus();
 205
 206 }
 207
 208 void KfindDlg::addFile(const KFileItem &item, const QString& matchingLine)
 209 {
 210   win->insertItem(item,matchingLine);
 211
 212   if (!isResultReported)
 213   {
 214     emit haveResults(true);
 215     isResultReported = true;
 216   }
 217
 218   int count = win->childCount();
 219   QString str = i18np("one file found", "%1 files found", count);
 220   setProgressMsg(str);
 221 }
 222
 223 void KfindDlg::setFocus()
 224 {
 225   tabWidget->setFocus();
 226 }
 227
 228 void KfindDlg::copySelection()
 229 {
 230   win->copySelection();
 231 }
 232
 233 void  KfindDlg::about ()
 234 {
 235   KAboutApplicationDialog dlg(0, this);
 236   dlg.exec ();
 237 }
 238
 239 void KfindDlg::slotDeleteItem(const QString& file)
 240 {
 241   kDebug()<<QString("Will remove one item: %1").arg(file);
 242   Q3ListViewItem *iter;
 243   QString iterwithpath;
 244
 245   iter=win->firstChild();
 246   while( iter ) {
 247     iterwithpath=query->url().path(KUrl::AddTrailingSlash)+iter->text(1)+iter->text(0);
 248
 249     if(iterwithpath==file)
 250     {
 251       win->takeItem(iter);
 252       break;
 253     }
 254     iter = iter->nextSibling();
 255   }
 256 }
 257
 258 void KfindDlg::slotNewItems( const QString& file )
 259 {
 260   kDebug()<<QString("Will add this item");
 261   QStringList newfiles;
 262   Q3ListViewItem *checkiter;
 263   QString checkiterwithpath;
 264
 265   if(file.indexOf(query->url().path(KUrl::AddTrailingSlash))==0)
 266   {
 267     kDebug()<<QString("Can be added, path OK");
 268     checkiter=win->firstChild();
 269     while( checkiter ) {
 270       checkiterwithpath=query->url().path(KUrl::AddTrailingSlash)+checkiter->text(1)+checkiter->text(0);
 271       if(file==checkiterwithpath)
 272         return;
 273       checkiter = checkiter->nextSibling();
 274     }
 275     query->slotListEntries(QStringList(file));
 276   }
 277 }
 278
 279 QStringList KfindDlg::getAllSubdirs(QDir d)
 280 {
 281   QStringList dirs;
 282   QStringList subdirs;
 283
 284   d.setFilter( QDir::Dirs );
 285   dirs = d.entryList();
 286
 287   for(QStringList::const_iterator it = dirs.constBegin(); it != dirs.constEnd(); ++it)
 288   {
 289     if((*it==".")||(*it==".."))
 290       continue;
 291     subdirs.append(d.path()+'/'+*it);
 292     subdirs+=getAllSubdirs(d.path()+'/'+*it);
 293   }
 294   return subdirs;
 295 }