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/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 172 insertions, 0 deletions

diff --git a/knode/kncollectionviewitem.cpp b/knode/kncollectionviewitem.cpp
new file mode 100644
index 000000000..ace78a63a
--- /dev/null
+++ b/knode/kncollectionviewitem.cpp
@@ -0,0 +1,172 @@
+/*
+    kncollectionviewitem.cpp
+
+    KNode, the KDE newsreader
+    Copyright (c) 1999-2004 the KNode authors.
+    See file AUTHORS for details
+
+    This program 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; either version 2 of the License, or
+    (at your option) any later version.
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software Foundation,
+    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qdragobject.h>
+#include <qpainter.h>
+
+#include <kiconloader.h>
+#include <kstringhandler.h>
+
+#include "kncollectionviewitem.h"
+#include "kncollectionview.h"
+#include "kngroup.h"
+#include "knfolder.h"
+#include "knglobals.h"
+#include "knconfigmanager.h"
+
+
+KNCollectionViewItem::KNCollectionViewItem( KFolderTree *parent, Protocol protocol, Type type) :
+  KFolderTreeItem(parent, QString::null, protocol, type), coll(0)
+{
+  setIcon();
+}
+
+
+KNCollectionViewItem::KNCollectionViewItem( KFolderTreeItem *it, Protocol protocol, Type type, int unread, int total ) :
+  KFolderTreeItem(it, QString::null, protocol, type, unread, total), coll(0)
+{
+  setIcon();
+}
+
+
+KNCollectionViewItem::~KNCollectionViewItem()
+{
+  if(coll) coll->setListItem(0);
+}
+
+
+void KNCollectionViewItem::setIcon() {
+  if ( protocol() == KFolderTreeItem::News ) {
+    // news servers/groups
+    switch ( type() ) {
+      case KFolderTreeItem::Root:
+        setPixmap( 0, SmallIcon("server") );
+        break;
+      default:
+        setPixmap( 0, UserIcon("group") );
+    }
+  } else {
+    // local folders
+    switch ( type() ) {
+      case KFolderTreeItem::Outbox:
+        setPixmap( 0, SmallIcon("folder_outbox") );
+        break;
+      case KFolderTreeItem::Drafts:
+        setPixmap( 0, SmallIcon("edit") );
+        break;
+      case KFolderTreeItem::SentMail:
+        setPixmap( 0, SmallIcon("folder_sent_mail") );
+        break;
+      default:
+        setPixmap( 0, SmallIcon("folder") );
+    }
+  }
+}
+
+
+int KNCollectionViewItem::compare(QListViewItem *i, int col, bool ascending) const
+{
+  KFolderTreeItem *other = static_cast<KFolderTreeItem*>(i);
+
+  // folders should be always on the bottom
+  if (protocol() == KFolderTreeItem::Local) {
+    if (other && other->protocol() == KFolderTreeItem::News)
+      return ascending ? 1 : -1;
+  }
+
+  // news servers should be always on top
+  if (protocol() == KFolderTreeItem::News) {
+    if (other && other->protocol() == KFolderTreeItem::Local)
+      return ascending ? -1 : 1;
+  }
+
+  return KFolderTreeItem::compare(i, col, ascending);
+}
+
+
+bool KNCollectionViewItem::acceptDrag(QDropEvent* event) const
+{
+  if (event && coll && coll->type()==KNCollection::CTfolder) {
+    if (event->provides("x-knode-drag/article"))
+      return !(static_cast<KNFolder*>(coll)->isRootFolder());   // don't drop articles on the root folder
+    else if (event->provides("x-knode-drag/folder"))
+      return !isSelected();             // don't drop on itself
+  }
+  return false;
+}
+
+
+void KNCollectionViewItem::paintCell( QPainter * p, const QColorGroup & cg,int column, int width, int align )
+{
+  KFolderTree *ft = static_cast<KFolderTree*>( listView() );
+
+  // we only need to deal with the case where we paint the folder/group name
+  // and the unread count is displayed in a separate column
+  if ( !ft->isUnreadActive() || column != 0 ) {
+    KFolderTreeItem::paintCell( p, cg, column, width, align );
+    return;
+  }
+
+  // find out if we will use bold font, necessary for the text squeezing
+  if ( (column == 0 || column == ft->unreadIndex()) && ( mUnread > 0 ) ) {
+    QFont f = p->font();
+    f.setWeight(QFont::Bold);
+    p->setFont(f);
+  }
+
+  // consider pixmap size for squeezing
+  int pxWidth = 8;
+  const QPixmap *px = pixmap(column);
+  if (px)
+    pxWidth += px->width();
+
+  // temporary set the squeezed text and use the parent class to paint it
+  QString curText = text( column );
+  if ( p->fontMetrics().width( curText ) > width - pxWidth ) {
+    setText( column, squeezeFolderName( curText, p->fontMetrics(), width - pxWidth ) );
+    KFolderTreeItem::paintCell( p, cg, column, width, align );
+    setText( column, curText );
+  } else
+    KFolderTreeItem::paintCell( p, cg, column, width, align );
+}
+
+
+QString KNCollectionViewItem::squeezeFolderName( const QString &text,
+                                                 const QFontMetrics &fm,
+                                                 uint width ) const
+{
+  if (protocol() == KFolderTreeItem::News && type() == KFolderTreeItem::Other) {
+    QString t(text);
+    int curPos = 0, nextPos = 0;
+    QString temp;
+    while ( (uint)fm.width(t) > width && nextPos != -1 ) {
+      nextPos = t.find('.', curPos);
+      if ( nextPos != -1 ) {
+        temp = t[curPos];
+        t.replace( curPos, nextPos - curPos, temp );
+        curPos += 2;
+      }
+    }
+    if ( (uint)fm.width( t ) > width )
+      t = KStringHandler::rPixelSqueeze( t, fm, width );
+    return t;
+  } else
+    return KFolderTreeItem::squeezeFolderName( text, fm, width );
+}