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, 289 insertions, 0 deletions

diff --git a/libkdepim/kconfigpropagator.cpp b/libkdepim/kconfigpropagator.cpp
new file mode 100644
index 000000000..81615b06e
--- /dev/null
+++ b/libkdepim/kconfigpropagator.cpp
@@ -0,0 +1,289 @@
+/*
+    This file is part of libkdepim.
+
+    Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library 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
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include "kconfigpropagator.h"
+
+#include <kdebug.h>
+#include <kconfig.h>
+#include <kconfigskeleton.h>
+#include <kstandarddirs.h>
+#include <kstringhandler.h>
+#include <klocale.h>
+
+#include <qfile.h>
+#include <qstringlist.h>
+
+KConfigPropagator::Change::~Change()
+{
+}
+
+KConfigPropagator::ChangeConfig::ChangeConfig()
+  : KConfigPropagator::Change( i18n("Change Config Value") ),
+    hideValue( false )
+{
+}
+
+QString KConfigPropagator::ChangeConfig::arg1() const
+{
+  return file + "/" + group + "/" + name;
+}
+
+QString KConfigPropagator::ChangeConfig::arg2() const
+{
+  if ( hideValue ) return "*";
+  else return value;
+}
+
+void KConfigPropagator::ChangeConfig::apply()
+{
+  KConfig cfg( file );
+  cfg.setGroup( group );
+  cfg.writeEntry( name, value );
+
+  cfg.sync();
+}
+
+KConfigPropagator::KConfigPropagator()
+  : mSkeleton( 0 )
+{
+  init();
+}
+
+KConfigPropagator::KConfigPropagator( KConfigSkeleton *skeleton,
+                                      const QString &kcfgFile )
+  : mSkeleton( skeleton ), mKcfgFile( kcfgFile )
+{
+  init();
+
+  readKcfgFile();
+}
+
+void KConfigPropagator::init()
+{
+  mChanges.setAutoDelete( true );
+}
+
+void KConfigPropagator::readKcfgFile()
+{
+  QString filename = locate( "kcfg", mKcfgFile );
+  if ( filename.isEmpty() ) {
+    kdError() << "Unable to find kcfg file '" << mKcfgFile << "'" << endl;
+    return;
+  }
+
+  QFile input( filename );
+  QDomDocument doc;
+  QString errorMsg;
+  int errorRow;
+  int errorCol;
+  if ( !doc.setContent( &input, &errorMsg, &errorRow, &errorCol ) ) {
+    kdError() << "Parse error in " << mKcfgFile << ", line " << errorRow << ", col " << errorCol << ": " << errorMsg << endl;
+    return;
+  }
+
+  QDomElement cfgElement = doc.documentElement();
+
+  if ( cfgElement.isNull() ) {
+    kdError() << "No document in kcfg file" << endl;
+    return;
+  }
+
+  mRules.clear();
+
+  QDomNode n;
+  for ( n = cfgElement.firstChild(); !n.isNull(); n = n.nextSibling() ) {
+    QDomElement e = n.toElement();
+
+    QString tag = e.tagName();
+
+    if ( tag == "propagation" ) {
+      Rule rule = parsePropagation( e );
+      mRules.append( rule );
+    } else if ( tag == "condition" ) {
+      Condition condition = parseCondition( e );
+      QDomNode n2;
+      for( n2 = e.firstChild(); !n2.isNull(); n2 = n2.nextSibling() ) {
+        QDomElement e2 = n2.toElement();
+        if ( e2.tagName() == "propagation" ) {
+          Rule rule = parsePropagation( e2 );
+          rule.condition = condition;
+          mRules.append( rule );
+        } else {
+          kdError() << "Unknow tag: " << e2.tagName() << endl;
+        }
+      }
+    }
+  }
+}
+
+KConfigPropagator::Rule KConfigPropagator::parsePropagation( const QDomElement &e )
+{
+  Rule r;
+
+  QString source = e.attribute( "source" );
+  parseConfigEntryPath( source, r.sourceFile, r.sourceGroup, r.sourceEntry );
+
+  QString target = e.attribute( "target" );
+  parseConfigEntryPath( target, r.targetFile, r.targetGroup, r.targetEntry );
+
+  r.hideValue = e.hasAttribute( "hidevalue" ) &&
+                e.attribute( "hidevalue" ) == "true";
+
+  return r;
+}
+
+void KConfigPropagator::parseConfigEntryPath( const QString &path,
+                                              QString &file,
+                                              QString &group,
+                                              QString &entry )
+{
+  QStringList p = QStringList::split( "/", path );
+
+  if ( p.count() != 3 ) {
+    kdError() << "Path has to be of form file/group/entry" << endl;
+    file = QString::null;
+    group = QString::null;
+    entry = QString::null;
+    return;
+  }
+  
+  file = p[ 0 ];
+  group = p[ 1 ];  
+  entry = p[ 2 ];
+  
+  return;
+}
+
+KConfigPropagator::Condition KConfigPropagator::parseCondition( const QDomElement &e )
+{
+  Condition c;
+  
+  QString key = e.attribute( "key" );
+  
+  parseConfigEntryPath( key, c.file, c.group, c.key );
+  
+  c.value = e.attribute( "value" );
+
+  c.isValid = true;
+
+  return c;
+}
+
+void KConfigPropagator::commit()
+{
+  updateChanges();
+
+  Change *c;
+  for( c = mChanges.first(); c; c = mChanges.next() ) {
+    c->apply();
+  }
+}
+
+KConfigSkeletonItem *KConfigPropagator::findItem( const QString &group,
+                                                  const QString &name )
+{
+//  kdDebug() << "KConfigPropagator::findItem()" << endl;
+
+  if ( !mSkeleton ) return 0;
+
+  KConfigSkeletonItem::List items = mSkeleton->items();
+  KConfigSkeletonItem::List::ConstIterator it;
+  for( it = items.begin(); it != items.end(); ++it ) {
+//    kdDebug() << "  Item: " << (*it)->name() << "  Type: "
+//              << (*it)->property().typeName() << endl;
+    if ( (*it)->group() == group && (*it)->name() == name ) {
+      break;
+    }
+  }
+  if ( it == items.end() ) return 0;
+  else return *it;
+}
+
+QString KConfigPropagator::itemValueAsString( KConfigSkeletonItem *item )
+{
+  QVariant p = item->property();
+
+  if ( p.type() == QVariant::Bool ) {
+    if ( p.toBool() ) return "true";
+    else return "false";
+  }
+  
+  return p.toString();
+}
+
+void KConfigPropagator::updateChanges()
+{
+  mChanges.clear();
+
+  Rule::List::ConstIterator it;
+  for( it = mRules.begin(); it != mRules.end(); ++it ) {
+    Rule r = *it;
+    Condition c = r.condition;
+    if ( c.isValid ) {
+      KConfigSkeletonItem *item = findItem( c.group, c.key );
+      kdDebug() << "Item " << c.group << "/" << c.key << ":" << endl;
+      if ( !item ) {
+        kdError() << "  Item not found." << endl;
+      } else {
+        QString value = itemValueAsString( item );
+        kdDebug() << "  Value: " << value << endl;
+        if ( value != c.value ) {
+          continue;
+        }
+      }
+    }
+
+    KConfigSkeletonItem *item = findItem( r.sourceGroup, r.sourceEntry );
+    if ( !item ) {
+      kdError() << "Item " << r.sourceGroup << "/" << r.sourceEntry 
+                << " not found." << endl;
+      continue;
+    }
+    QString value = itemValueAsString( item );
+
+    KConfig target( r.targetFile );
+    target.setGroup( r.targetGroup );
+    QString targetValue = target.readEntry( r.targetEntry );
+    if ( r.hideValue ) targetValue = KStringHandler::obscure( targetValue );
+    if ( targetValue != value ) {
+      ChangeConfig *change = new ChangeConfig();
+      change->file = r.targetFile;
+      change->group = r.targetGroup;
+      change->name = r.targetEntry;
+      if ( r.hideValue ) value = KStringHandler::obscure( value );
+      change->value = value;
+      change->hideValue = r.hideValue;
+      mChanges.append( change );
+    }
+  }
+
+  addCustomChanges( mChanges );
+}
+
+KConfigPropagator::Change::List KConfigPropagator::changes()
+{
+  return mChanges;
+}
+
+KConfigPropagator::Rule::List KConfigPropagator::rules()
+{
+  return mRules;
+}