Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 385 insertions, 0 deletions

diff --git a/konq-plugins/fsview/inode.cpp b/konq-plugins/fsview/inode.cpp
new file mode 100644
index 0000000..0411d3a
--- /dev/null
+++ b/konq-plugins/fsview/inode.cpp
@@ -0,0 +1,385 @@
+/* This file is part of FSView.
+   Copyright (C) 2002, 2003 Josef Weidendorfer <[email protected]>
+
+   KCachegrind is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public
+   License as published by the Free Software Foundation, version 2.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+/*
+ * FSView specialisaton of TreeMapItem class.
+ */
+
+
+#include <kurl.h>
+#include <kmimetype.h>
+#include <kdebug.h>
+#include <kglobal.h>
+#include <klocale.h>
+
+#include "inode.h"
+#include "scan.h"
+#include "fsview.h"
+
+// Inode
+
+Inode::Inode()
+{
+  _dirPeer = 0;
+  _filePeer = 0;
+  init("");
+}
+
+Inode::Inode(ScanDir* d, Inode* parent)
+  : TreeMapItem(parent)
+{
+  QString absPath;
+  if (parent) {
+    absPath = parent->path();
+    if (!absPath.endsWith("/")) absPath += "/";
+  }
+  absPath += d->name();
+
+  _dirPeer = d;
+  _filePeer = 0;
+
+  init(absPath);
+}
+
+Inode::Inode(ScanFile* f, Inode* parent)
+  : TreeMapItem(parent)
+{
+  QString absPath;
+  if (parent)
+    absPath = parent->path() + "/";
+  absPath += f->name();
+
+  _dirPeer = 0;
+  _filePeer = f;
+
+  init(absPath);
+}
+
+Inode::~Inode()
+{
+  if (0) kdDebug(90100) << "~Inode [" << path()
+			<< "]" << endl;
+
+  /* reset Listener of old Peer */
+  if (_dirPeer)
+    _dirPeer->setListener(0);
+  if (_filePeer)
+    _filePeer->setListener(0);
+}
+
+void Inode::setPeer(ScanDir* d)
+{
+  /* reset Listener of old Peer */
+  if (_dirPeer)
+    _dirPeer->setListener(0);
+  if (_filePeer)
+    _filePeer->setListener(0);
+
+  _dirPeer = d;
+  _filePeer = 0;
+  init(d->name());
+}
+
+QString Inode::path() const
+{
+  return _info.absFilePath();
+}
+
+void Inode::init(const QString& path)
+{
+  if (0) kdDebug(90100) << "Inode::init [" << path
+			<< "]" << endl;
+
+  _info = QFileInfo(path);
+
+  if (!FSView::getDirMetric(path, _sizeEstimation, 
+			    _fileCountEstimation, 
+			    _dirCountEstimation)) {
+    _sizeEstimation = 0.0;
+    _fileCountEstimation = 0;
+    _dirCountEstimation = 0;
+  }
+
+  _mimeSet = false;
+  _mimePixmapSet = false;
+  _resortNeeded = false;
+
+  clear();
+
+  /* we want to get notifications about dir changes */
+  if (_dirPeer)
+    _dirPeer->setListener(this);
+  if (_filePeer)
+    _filePeer->setListener(this);
+  
+  if (_dirPeer && _dirPeer->scanFinished())
+    scanFinished(_dirPeer);
+}
+
+/* ScanListener interface */
+void Inode::sizeChanged(ScanDir* d)
+{
+  if (0) kdDebug(90100) << "Inode::sizeChanged [" << path() << "] in "
+		   << d->name() << ": size " << d->size() << endl;
+
+  _resortNeeded = true;
+}
+
+void Inode::scanFinished(ScanDir* d)
+{
+  if (0) kdDebug(90100) << "Inode::scanFinished [" << path() << "] in "
+		   << d->name() << ": size " << d->size() << endl;
+
+  _resortNeeded = true;
+
+  /* no estimation any longer */
+  _sizeEstimation = 0.0;
+  _fileCountEstimation = 0;
+  _dirCountEstimation = 0;
+
+  // cache metrics if "important" (for "/usr" is dd==3)
+  int dd = ((FSView*)widget())->pathDepth() + depth();
+  int files = d->fileCount();
+  int dirs = d->dirCount();
+
+  if ((files < 500) && (dirs < 50)) {
+    if (dd>4 && (files < 50) && (dirs < 5)) return;
+  }
+
+  FSView::setDirMetric(path(), d->size(), files, dirs);
+}
+
+void Inode::destroyed(ScanDir* d)
+{
+  if (_dirPeer == d) _dirPeer = 0;
+
+  // remove children
+  clear();
+}
+
+void Inode::destroyed(ScanFile* f)
+{
+  if (_filePeer == f) _filePeer = 0;
+}
+
+
+
+TreeMapItemList* Inode::children()
+{
+  if (!_dirPeer) return 0;
+
+  if (!_children) {
+    if (!_dirPeer->scanStarted()) return 0;
+
+    _children = new TreeMapItemList;
+    _children->setAutoDelete(true);
+
+    setSorting(-1);
+
+    ScanFileVector& files = _dirPeer->files();
+    if (files.count()>0) {
+      ScanFileVector::iterator it;
+      for( it = files.begin(); it != files.end(); ++it )
+	new Inode( &(*it), this);
+    }
+    
+    ScanDirVector& dirs = _dirPeer->dirs();
+    if (dirs.count()>0) {
+      ScanDirVector::iterator it;
+      for( it = dirs.begin(); it != dirs.end(); ++it ) {
+	new Inode( &(*it), this);
+      }
+    }
+
+    setSorting(-2);
+    _resortNeeded = false;
+  }
+
+  if (_resortNeeded) {    
+    resort();
+    _resortNeeded = false;
+  }
+
+  return _children;
+}  
+
+
+
+double Inode::size() const
+{
+  // sizes of files are always correct
+  if (_filePeer) return _filePeer->size();
+  if (!_dirPeer) return 0;
+
+  double size = _dirPeer->size();  
+  return (_sizeEstimation > size) ? _sizeEstimation : size;
+}
+
+double Inode::value() const
+{
+  return size();
+}
+
+unsigned int Inode::fileCount() const
+{
+  unsigned int fileCount = 1;
+
+  if (_dirPeer) fileCount = _dirPeer->fileCount();
+
+  if (_fileCountEstimation > fileCount)
+    fileCount = _fileCountEstimation;
+
+  return fileCount;
+}
+
+unsigned int Inode::dirCount() const
+{
+  unsigned int dirCount = 0;
+
+  if (_dirPeer) dirCount = _dirPeer->dirCount();
+
+  if (_dirCountEstimation > dirCount)
+    dirCount = _dirCountEstimation;
+
+  return dirCount;
+}
+
+
+QColor Inode::backColor() const
+{
+  QString n;
+  int id = 0;
+
+  switch( ((FSView*)widget())->colorMode() ) {
+  case FSView::Depth: 
+    {
+      int d = ((FSView*)widget())->pathDepth() + depth();
+      return QColor((100*d)%360, 192,128, QColor::Hsv);
+    }
+
+  case FSView::Name:   n = text(0); break;
+  case FSView::Owner:  id = _info.ownerId(); break;
+  case FSView::Group:  id = _info.groupId(); break;
+  case FSView::Mime:   n = text(7); break;
+
+  default:
+    break;
+  }
+
+  if (id>0) n = QString::number(id);
+
+  if (n.isEmpty())
+    return widget()->colorGroup().button();
+  
+  const char* str = n.ascii();
+  int h = 0, s = 100;
+  while (*str) {
+    h = (h * 37 + s* (unsigned)*str) % 256;
+    s = (s * 17 + h* (unsigned)*str) % 192;
+    str++;
+  }
+  return QColor(h, 64+s, 192, QColor::Hsv);
+}
+
+KMimeType::Ptr Inode::mimeType() const
+{
+  if (!_mimeSet) {
+    KURL u;
+    u.setPath(path());
+    _mimeType = KMimeType::findByURL( u, 0, true, false );
+
+    _mimeSet = true;
+  }
+  return _mimeType;
+}
+
+QString Inode::text(int i) const
+{
+  if (i==0) {
+    QString name;
+    if (_dirPeer) {
+      name = _dirPeer->name();
+      if (!name.endsWith("/")) name += "/";
+    }
+    else if (_filePeer) name = _filePeer->name();
+
+    return name;
+  }
+  if (i==1) {
+    QString text;
+    double s = size();
+
+    if (s < 1000)
+      text = QString("%1 B").arg((int)(s+.5));
+    else if (s < 10 * 1024)
+      text = QString("%1 kB").arg(KGlobal::locale()->formatNumber(s/1024+.005,2));
+    else if (s < 100 * 1024)
+      text = QString("%1 kB").arg(KGlobal::locale()->formatNumber(s/1024+.05,1));
+    else if (s < 1000 * 1024)
+      text = QString("%1 kB").arg((int)(s/1024+.5));
+    else if (s < 10 * 1024 * 1024)
+      text = QString("%1 MB").arg(KGlobal::locale()->formatNumber(s/1024/1024+.005,2));
+    else if (s < 100 * 1024 * 1024)
+      text = QString("%1 MB").arg(KGlobal::locale()->formatNumber(s/1024/1024+.05,1));
+    else if (s < 1000 * 1024 * 1024)
+      text = QString("%1 MB").arg((int)(s/1024/1024+.5));
+    else
+      text =  QString("%1 GB").arg(KGlobal::locale()->formatNumber(s/1024/1024/1024+.005,2));
+
+    if (_sizeEstimation>0) text += "+";
+    return text;
+  }
+
+  if ((i==2) || (i==3)) {
+    /* file/dir count makes no sense for files */
+    if (_filePeer) return QString();
+
+    QString text;
+    unsigned int f = (i==2) ? fileCount() : dirCount();
+
+    if (f>0) {
+      while (f>1000) {
+        text = QString("%1 %2").arg(QString::number(f).right(3)).arg(text);
+        f /= 1000;
+      }
+      text = QString("%1 %2").arg(QString::number(f)).arg(text);
+      if (_fileCountEstimation>0) text += "+";
+    }
+    return text;
+  }
+
+  if (i==4) return _info.lastModified().toString();
+  if (i==5) return _info.owner();
+  if (i==6) return _info.group();
+  if (i==7) return mimeType()->comment();
+  return QString();
+}
+
+QPixmap Inode::pixmap(int i) const
+{
+  if (i!=0) return QPixmap();
+
+  if (!_mimePixmapSet) {
+    KURL u;
+    u.setPath(path());
+    _mimePixmap = mimeType()->pixmap(u, KIcon::Small);
+
+    _mimePixmapSet = true;
+  }
+  return _mimePixmap;
+}