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

1 files changed, 1867 insertions, 0 deletions

diff --git a/src/partcontroller.cpp b/src/partcontroller.cpp
new file mode 100644
index 00000000..1fb15445
--- /dev/null
+++ b/src/partcontroller.cpp
@@ -0,0 +1,1867 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <qpopupmenu.h>
+#include <qfile.h>
+#include <qlayout.h>
+#include <qmap.h>
+#include <qlabel.h>
+#include <qradiobutton.h>
+#include <qcheckbox.h>
+#include <qdom.h>
+
+#include <kmimetype.h>
+#include <kservice.h>
+#include <ktrader.h>
+#include <kapplication.h>
+#include <krun.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kparts/part.h>
+#include <kparts/factory.h>
+#include <kparts/partmanager.h>
+#include <kparts/browserextension.h>
+#include <kfiledialog.h>
+#include <kmainwindow.h>
+#include <kaction.h>
+#include <kmessagebox.h>
+#include <kstatusbar.h>
+#include <khtml_part.h>
+#include <kpopupmenu.h>
+#include <kio/netaccess.h>
+#include <kdialogbase.h>
+#include <klineedit.h>
+#include <kshortcut.h>
+#include <kcompletion.h>
+#include <kdirwatch.h>
+#include <kdeversion.h>
+#include <kiconloader.h>
+#include <kuserprofile.h>
+#include <kencodingfiledialog.h>
+#include <ksqueezedtextlabel.h>
+
+#include <ktexteditor/view.h>
+#include <ktexteditor/document.h>
+#include <ktexteditor/viewcursorinterface.h>
+#include <ktexteditor/encodinginterface.h>
+
+#include "toplevel.h"
+#include "api.h"
+#include "core.h"
+#include "editorproxy.h"
+#include "documentationpart.h"
+#include "ksavealldialog.h"
+
+#include "kdevproject.h"
+#include "urlutil.h"
+#include "mimewarningdialog.h"
+#include "domutil.h"
+#include "kdevjobtimer.h"
+
+#include "designer.h"
+#include "kdevlanguagesupport.h"
+
+#include "multibuffer.h"
+#include "partcontroller.h"
+
+
+class QDomDocument;
+
+PartController *PartController::s_instance = 0;
+
+using namespace MainWindowUtils;
+
+struct HistoryEntry
+{
+    KURL url;
+    QString context;
+
+    HistoryEntry( const KURL& u, const QString& c ): url( u ), context( c ) {}
+};
+
+struct ModificationData
+{
+	KTextEditor::Document * doc;
+	bool isModified;
+	unsigned char reason;
+};
+
+
+PartController::PartController(QWidget *parent)
+  : KDevPartController(parent), _editorFactory(0L), m_currentActivePart(0), m_removingActivePart(false)
+{
+  connect(this, SIGNAL(partRemoved(KParts::Part*)), this, SLOT(slotPartRemoved(KParts::Part* )) );
+  connect(this, SIGNAL(partAdded(KParts::Part*)), this, SLOT(slotPartAdded(KParts::Part* )) );
+  connect(this, SIGNAL(activePartChanged(KParts::Part*)), this, SLOT(slotActivePartChanged(KParts::Part*)));
+
+  setupActions();
+
+  m_isJumping = false;
+
+  m_openNextAsText = false;
+}
+
+
+PartController::~PartController()
+{
+}
+
+
+void PartController::createInstance(QWidget *parent)
+{
+  if (!s_instance)
+    s_instance = new PartController(parent);
+}
+
+
+PartController *PartController::getInstance()
+{
+  return s_instance;
+}
+
+
+void PartController::setupActions()
+{
+  KActionCollection *ac = TopLevel::getInstance()->main()->actionCollection();
+
+  KAction* newAction = KStdAction::open(this, SLOT(slotOpenFile()), ac, "file_open");
+  newAction->setToolTip( i18n("Open file") );
+  newAction->setWhatsThis( i18n("<b>Open file</b><p>Opens an existing file without adding it to the project.</p>") );
+
+  m_openRecentAction = KStdAction::openRecent( this, SLOT(slotOpenRecent(const KURL&) ), ac, "file_open_recent" );
+  m_openRecentAction->setWhatsThis(QString("<b>%1</b><p>%2").arg(beautifyToolTip(m_openRecentAction->text())).arg(i18n("Opens recently opened file.")));
+  m_openRecentAction->loadEntries( kapp->config(), "RecentFiles" );
+
+  m_saveAllFilesAction = new KAction(i18n("Save Al&l"), 0, this, SLOT(slotSaveAllFiles()), ac, "file_save_all");
+  m_saveAllFilesAction->setToolTip( i18n("Save all modified files") );
+  m_saveAllFilesAction->setWhatsThis(i18n("<b>Save all</b><p>Saves all modified files."));
+  m_saveAllFilesAction->setEnabled(false);
+
+  m_revertAllFilesAction = new KAction(i18n("Rever&t All"), 0, this, SLOT(slotRevertAllFiles()), ac, "file_revert_all");
+  m_revertAllFilesAction->setToolTip(i18n("Revert all changes"));
+  m_revertAllFilesAction->setWhatsThis(i18n("<b>Revert all</b><p>Reverts all changes in opened files. Prompts to save changes so the reversion can be canceled for each modified file."));
+  m_revertAllFilesAction->setEnabled(false);
+
+  m_closeWindowAction = KStdAction::close(this, SLOT(slotCloseWindow()), ac, "file_close");
+  m_closeWindowAction->setToolTip( i18n("Close current file") );
+  m_closeWindowAction->setWhatsThis(QString("<b>%1</b><p>%2").arg(beautifyToolTip(m_closeWindowAction->text())).arg(i18n("Closes current file.")));
+  m_closeWindowAction->setEnabled(false);
+
+  m_closeAllWindowsAction = new KAction(i18n("Close All"), 0, this, SLOT(slotCloseAllWindows()), ac, "file_close_all");
+  m_closeAllWindowsAction->setToolTip( i18n("Close all files") );
+  m_closeAllWindowsAction->setWhatsThis(i18n("<b>Close all</b><p>Close all opened files."));
+  m_closeAllWindowsAction->setEnabled(false);
+
+  m_closeOtherWindowsAction = new KAction(i18n("Close All Others"), 0, this, SLOT(slotCloseOtherWindows()), ac, "file_closeother");
+  m_closeOtherWindowsAction->setToolTip( i18n("Close other files") );
+  m_closeOtherWindowsAction->setWhatsThis(i18n("<b>Close all others</b><p>Close all opened files except current."));
+  m_closeOtherWindowsAction->setEnabled(false);
+
+  new KActionSeparator(ac, "dummy_separator");
+
+  m_backAction = new KToolBarPopupAction(i18n("Back"), "back", 0, this, SLOT(slotBack()), ac, "history_back");
+  m_backAction->setEnabled( false );
+  m_backAction->setToolTip(i18n("Back"));
+  m_backAction->setWhatsThis(i18n("<b>Back</b><p>Moves backwards one step in the navigation history."));
+  connect(m_backAction->popupMenu(), SIGNAL(aboutToShow()), this, SLOT(slotBackAboutToShow()));
+  connect(m_backAction->popupMenu(), SIGNAL(activated(int)), this, SLOT(slotBackPopupActivated(int)));
+
+  m_forwardAction = new KToolBarPopupAction(i18n("Forward"), "forward", 0, this, SLOT(slotForward()), ac, "history_forward");
+  m_forwardAction->setEnabled( false );
+  m_forwardAction->setToolTip(i18n("Forward"));
+  m_forwardAction->setWhatsThis(i18n("<b>Forward</b><p>Moves forward one step in the navigation history."));
+  connect(m_forwardAction->popupMenu(), SIGNAL(aboutToShow()), this, SLOT(slotForwardAboutToShow()));
+  connect(m_forwardAction->popupMenu(), SIGNAL(activated(int)), this, SLOT(slotForwardPopupActivated(int)));
+
+  m_gotoLastEditPosAction = new KAction( i18n("Goto Last Edit Position"), "bottom", 0, this, SLOT(gotoLastEditPos()), ac, "goto_last_edit_pos" );
+  m_gotoLastEditPosAction->setEnabled( false );
+  m_gotoLastEditPosAction->setToolTip( i18n("Goto Last Edit Position") );
+  m_gotoLastEditPosAction->setWhatsThis( i18n("<b>Goto Last Edit Position</b><p>Open the last edited file and position cursor at the point of edit") );
+}
+
+void PartController::setEncoding(const QString &encoding)
+{
+  m_presetEncoding = encoding;
+}
+
+KParts::Part* PartController::findOpenDocument(const KURL& url)
+{
+	// if we find it this way, all is well
+	KParts::Part * part = partForURL( url );
+	if ( part )
+	{
+		return part;
+	}
+
+	// ok, let's see if we can try harder
+	if ( API::getInstance()->project() )
+	{
+		KURL partURL = findURLInProject( url );
+		partURL.cleanPath();
+		return partForURL( partURL );
+	}
+
+	return 0L;
+}
+
+KURL PartController::findURLInProject(const KURL& url)
+{
+  QStringList fileList = API::getInstance()->project()->allFiles();
+
+  bool filenameOnly = (url.url().find('/') == -1);
+  QString filename = filenameOnly ? "/" : "";
+  filename += url.url();
+
+  for (QStringList::Iterator it = fileList.begin(); it != fileList.end(); ++it) {
+    if ((*it).endsWith(filename)) {
+      // Match! The first one is as good as any one, I guess...
+      return KURL( API::getInstance()->project()->projectDirectory() + "/" + *it );
+    }
+  }
+
+  return url;
+}
+
+void PartController::editDocument(const KURL &inputUrl, int lineNum, int col)
+{
+  editDocumentInternal(inputUrl, lineNum, col);
+}
+
+void PartController::splitCurrentDocument(const KURL &inputUrl,
+                                          int lineNum, int col)
+{
+  editDocumentInternal(inputUrl, lineNum, col, true, true);
+}
+
+void PartController::scrollToLineColumn(const KURL &inputUrl,
+                                        int lineNum, int col, bool storeHistory )
+{
+    if ( KParts::ReadOnlyPart *existingPart = partForURL( inputUrl ) )
+    {
+        if( storeHistory ) addHistoryEntry( existingPart );
+        EditorProxy::getInstance()->setLineNumber( existingPart, lineNum, col );
+        return;
+    }
+}
+
+void PartController::editDocumentInternal( const KURL & inputUrl, int lineNum,
+                                           int col, bool activate,
+                                           bool addToCurrentBuffer )
+{
+    kdDebug(9000) << k_funcinfo << "\n " << inputUrl.prettyURL()
+        << " linenum " << lineNum << " activate? " << activate
+        << " addToCurrentBuffer? " << addToCurrentBuffer << endl;
+
+	KURL url = inputUrl;
+
+	// is it already open?
+	// (Try this once before verifying the URL, we could be dealing with a file that no longer exists on disc)
+	if ( KParts::Part *existingPart = partForURL( url ) )
+	{
+		// if we've been asked to OpenAs an open file with a specific encoding, assume the user wants to change encoding
+		if ( !m_presetEncoding.isNull() )
+		{
+			if ( KTextEditor::EncodingInterface * ei = dynamic_cast<KTextEditor::EncodingInterface*>( existingPart ) )
+			{
+				ei->setEncoding( m_presetEncoding );
+			}
+			m_presetEncoding = QString::null;
+		}
+
+		addHistoryEntry();
+		activatePart( existingPart );
+    	EditorProxy::getInstance()->setLineNumber( existingPart, lineNum, col );
+		return;
+	}
+
+	// Make sure the URL exists
+	if ( !url.isValid() || !KIO::NetAccess::exists(url, false, 0) )
+	{
+		bool done = false;
+
+		// Try to find this file in the current project's list instead
+		if ( API::getInstance()->project() )
+		{
+			if (url.isRelativeURL(url.url())) {
+				KURL relURL(API::getInstance()->project()->projectDirectory());
+				relURL.addPath( url.url() );
+
+				kdDebug() << k_funcinfo << "Looking for file in project dir: " << API::getInstance()->project()->projectDirectory() << " url " << url.url() << " transformed to " << relURL.url() << ": " << done << endl;
+				if (relURL.isValid() && KIO::NetAccess::exists(relURL, false, 0)) {
+					url = relURL;
+					done = true;
+				}
+				else {
+					KURL relURL(API::getInstance()->project()->buildDirectory());
+					relURL.addPath( url.url() );
+					kdDebug() << k_funcinfo << "Looking for file in build dir: " << API::getInstance()->project()->buildDirectory() << " url " << url.url() << " transformed to " << relURL.url() << ": " << done << endl;
+					if (relURL.isValid() && KIO::NetAccess::exists(relURL, false, 0)) {
+						url = relURL;
+						done = true;
+					}
+				}
+			}
+
+			if (!done) {
+				url = findURLInProject(url);
+
+				if ( !url.isValid() || !KIO::NetAccess::exists(url, false, 0) )
+					// See if this url is relative to the current project's directory
+					url = API::getInstance()->project()->projectDirectory() + "/" + url.path();
+
+				else
+					done = true;
+			}
+		}
+
+ 		if ( !done && ( !url.isValid() || !KIO::NetAccess::exists(url, false, 0) ))
+		{
+			// Not found - prompt the user to find it?
+			kdDebug(9000) << "cannot find URL: " << url.url() << endl;
+			return;
+		}
+	}
+
+  // We now have a url that exists ;)
+
+  // clean it and resolve possible symlink
+	url.cleanPath(true);
+	if (url.isLocalFile())
+	{
+		QString path = url.path();
+		path = URLUtil::canonicalPath(path);
+		if ( !path.isEmpty() )
+			url.setPath(path);
+	}
+
+	// is it already open?
+	KParts::Part *existingPart = partForURL(url);
+	if (existingPart)
+	{
+		addHistoryEntry();
+		activatePart(existingPart);
+		EditorProxy::getInstance()->setLineNumber(existingPart, lineNum, col);
+		return;
+	}
+
+    if ( !addToCurrentBuffer )
+    {
+        if ( KDevLanguageSupport *lang =
+             API::getInstance()->languageSupport() )
+        {
+            // Let the language part override the addToCurrentBuffer flag
+            // if it decides to...
+            addToCurrentBuffer = lang->shouldSplitDocument( inputUrl );
+
+            if ( addToCurrentBuffer )
+            {
+                kdDebug(9000) <<
+                    "languagePart() insists addToCurrentBuffer = true" << endl;
+                // Set activate = true, otherwise we have hard to fix
+                // multi-buffer delayed activation.
+                // I'll re-look at this later...
+                activate = true;
+            }
+        }
+    }
+
+	KMimeType::Ptr MimeType = KMimeType::findByURL( url );
+
+	kdDebug(9000) << "mimeType = " << MimeType->name() << endl;
+
+	// is the URL pointing to a directory?
+	if ( MimeType->is( "inode/directory" ) )
+	{
+		return;
+	}
+
+	if ( !m_presetEncoding.isNull() )
+	{
+		m_openNextAsText = true;
+	}
+
+	KConfig *config = kapp->config();
+	config->setGroup("General Options");
+
+	// we don't trust KDE with designer files, let's handle it ourselves
+	if ( !m_openNextAsText && MimeType->is( "application/x-designer" ) )
+	{
+		QString DesignerSetting = config->readEntry( "DesignerSetting", "ExternalDesigner" );
+		QString designerExec = "designer";
+		QStringList designerPluginPaths;
+		QDomDocument* dom = API::getInstance()->projectDom();
+		if ( dom != 0 )
+		{
+			// The global option specifies a fallback if the project
+			// has no setting or no project is open. However for Qt4
+			// projects we want to use ExternalDesigner in any case.
+			if ( DomUtil::readIntEntry( *dom, "/kdevcppsupport/qt/version", 3 ) == 4 )
+			{
+				designerPluginPaths = DomUtil::readListEntry(*dom, "/kdevcppsupport/qt/designerpluginpaths", "path" );
+				DesignerSetting = "ExternalDesigner";
+			}
+
+			DesignerSetting = DomUtil::readEntry(*dom, "/kdevcppsupport/qt/designerintegration", DesignerSetting  );
+			designerExec = DomUtil::readEntry(*dom, "/kdevcppsupport/qt/designer", designerExec );
+		}
+		if ( DesignerSetting == "ExternalKDevDesigner" )
+		{
+			designerExec = "kdevdesigner";
+		}
+		else if ( DesignerSetting == "EmbeddedKDevDesigner" )
+		{
+			if ( KParts::ReadOnlyPart *designerPart = qtDesignerPart() )
+			{
+				addHistoryEntry();
+				activatePart(designerPart);
+				designerPart->openURL(url);
+				return;
+			}
+			else if ( KParts::Factory * KDevDesignerFactory = static_cast<KParts::Factory*>( KLibLoader::self()->factory( QFile::encodeName( "libkdevdesignerpart" ) ) ) )
+			{
+				KParts::ReadWritePart * kdevpart = static_cast<KParts::ReadWritePart*>( KDevDesignerFactory->createPart( TopLevel::getInstance()->main(), 0, 0, 0, "KParts::ReadWritePart"  ) );
+				kdevpart->openURL( url );
+				addHistoryEntry();
+				integratePart( kdevpart, url );
+				m_openRecentAction->addURL( url );
+				m_openRecentAction->saveEntries( kapp->config(), "RecentFiles" );
+				return;
+			}
+		}
+
+		if( designerPluginPaths.isEmpty() )
+			KRun::runCommand( designerExec+" "+url.pathOrURL() );
+		else
+			KRun::runCommand( "QT_PLUGIN_PATH=\""+designerPluginPaths.join(":")+"\" "+designerExec+" "+url.pathOrURL() );
+
+		return;
+	}
+
+	config->setGroup("General");
+
+	QStringList texttypeslist = config->readListEntry( "TextTypes" );
+	if ( texttypeslist.contains( MimeType->name() ) )
+	{
+		m_openNextAsText = true;
+	}
+
+	bool isText = false;
+  	QVariant v = MimeType->property("X-KDE-text");
+     	if (v.isValid())
+           isText = v.toBool();
+	// is this regular text - open in editor
+	if ( m_openNextAsText || isText || MimeType->is( "application/x-zerosize" ) )
+	{
+        KTextEditor::Editor *editorpart =
+            createEditorPart( activate, addToCurrentBuffer, url );
+        if ( editorpart )
+        {
+            if ( m_presetEncoding.isNull() && API::getInstance()->projectDom() )
+            {
+                QDomDocument * projectDom = API::getInstance()->projectDom();
+                m_presetEncoding = DomUtil::readEntry( *projectDom, "/general/defaultencoding", QString::null );
+            }
+
+            if ( !m_presetEncoding.isNull() )
+            {
+                if ( KTextEditor::EncodingInterface * ei = dynamic_cast<KTextEditor::EncodingInterface*>( editorpart ) )
+                {
+                    ei->setEncoding( m_presetEncoding );
+                }
+                m_presetEncoding = QString::null;
+            }
+
+            addHistoryEntry();
+
+            QWidget * widget = EditorProxy::getInstance()->topWidgetForPart( editorpart );
+
+            integratePart(editorpart, url, widget, true, activate, addToCurrentBuffer);
+            EditorProxy::getInstance()->setLineNumber(editorpart, lineNum, col);
+
+            m_openNextAsText = false;
+
+            m_openRecentAction->addURL( url );
+            m_openRecentAction->saveEntries( kapp->config(), "RecentFiles" );
+
+            return;
+        }
+	}
+
+	// OK, it's not text and it's not a designer file.. let's see what else we can come up with..
+
+	KParts::Factory *factory = 0;
+	QString className;
+
+	QString services[] = { "KParts/ReadWritePart", "KParts/ReadOnlyPart" };
+	QString classnames[] = { "KParts::ReadWritePart", "KParts::ReadOnlyPart" };
+	for (uint i=0; i<2; ++i)
+	{
+		factory = findPartFactory( MimeType->name(), services[i] );
+		if (factory)
+		{
+			className = classnames[i];
+			break;
+		}
+	}
+
+	kdDebug(9000) << "factory = " << factory << endl;
+
+	if (factory)
+	{
+		// create the object of the desired class
+		KParts::ReadOnlyPart *part = static_cast<KParts::ReadOnlyPart*>( factory->createPart( TopLevel::getInstance()->main(), 0, 0, 0, className.latin1() ) );
+		if ( part )
+		{
+			part->openURL( url );
+			addHistoryEntry();
+
+			if ( dynamic_cast<KTextEditor::Editor*>( part ) ) // we can have ended up with a texteditor, in which case need to treat it as such
+			{
+				integratePart(part, url, part->widget(), true, activate);
+				EditorProxy::getInstance()->setLineNumber(part, lineNum, col);
+			}
+			else
+			{
+				integratePart( part, url );
+			}
+
+			m_openRecentAction->addURL( url );
+			m_openRecentAction->saveEntries( kapp->config(), "RecentFiles" );
+		}
+	}
+	else
+	{
+		MimeWarningDialog dlg;
+		dlg.text2->setText( QString( "<qt><b>%1</b></qt>" ).arg(url.path()));
+		dlg.text3->setText( dlg.text3->text().arg(MimeType->name()) );
+
+		if ( dlg.exec() == QDialog::Accepted )
+		{
+			if ( dlg.open_with_kde->isChecked() )
+			{
+				KRun::runURL(url, MimeType->name() );
+			}
+			else
+			{
+				if ( dlg.always_open_as_text->isChecked() )
+				{
+					KConfig *config = kapp->config();
+					config->setGroup("General");
+					QStringList texttypeslist = config->readListEntry( "TextTypes" );
+					texttypeslist << MimeType->name();
+					config->writeEntry( "TextTypes", texttypeslist );
+				}
+				m_openNextAsText = true;
+				editDocument( url, lineNum, col );
+			}
+		}
+	}
+}
+
+
+void PartController::showDocument(const KURL &url, bool newWin)
+{
+  QString fixedPath = HTMLDocumentationPart::resolveEnvVarsInURL(url.url()); // possibly could env vars
+  KURL docUrl(fixedPath);
+  kdDebug(9000) << "SHOW: " << docUrl.url() << endl;
+
+  if ( docUrl.isLocalFile() && KMimeType::findByURL(docUrl)->name() != "text/html" ) {
+    // a link in a html-file pointed to a local text file - display
+    // it in the editor instead of a html-view to avoid uglyness
+    editDocument( docUrl );
+    return;
+  }
+
+  addHistoryEntry();
+
+  HTMLDocumentationPart *part = dynamic_cast<HTMLDocumentationPart*>(activePart());
+  if (!part || newWin)
+  {
+    part = new HTMLDocumentationPart;
+    integratePart(part,docUrl);
+    connect(part, SIGNAL(fileNameChanged(KParts::ReadOnlyPart* )),
+        this, SIGNAL(partURLChanged(KParts::ReadOnlyPart* )));
+  }
+  else
+  {
+    activatePart(part);
+  }
+  part->openURL(docUrl);
+}
+
+KParts::Factory *PartController::findPartFactory(const QString &mimeType, const QString &partType, const QString &preferredName)
+{
+  KTrader::OfferList offers = KTrader::self()->query(mimeType, QString("'%1' in ServiceTypes").arg(partType));
+
+  if (offers.count() > 0)
+  {
+    KService::Ptr ptr = 0;
+    // if there is a preferred plugin we'll take it
+    if ( !preferredName.isEmpty() ) {
+      KTrader::OfferList::Iterator it;
+      for (it = offers.begin(); it != offers.end(); ++it) {
+        if ((*it)->desktopEntryName() == preferredName) {
+          ptr = (*it);
+        }
+      }
+    }
+    // else we just take the first in the list
+    if ( !ptr ) {
+      ptr = offers.first();
+    }
+    return static_cast<KParts::Factory*>(KLibLoader::self()->factory(QFile::encodeName(ptr->library())));
+  }
+
+  return 0;
+}
+
+KTextEditor::Editor * PartController::createEditorPart( bool activate,
+                                                        bool addToCurrentBuffer,
+                                                        const KURL &url )
+{
+    MultiBuffer *multiBuffer = 0;
+    if ( addToCurrentBuffer )
+    {
+        multiBuffer =
+            dynamic_cast<MultiBuffer*>(
+                    EditorProxy::getInstance()->topWidgetForPart( activePart() )
+                                      );
+    }
+    if ( !multiBuffer )
+    {
+        kdDebug(9000) << "Creating a new MultiBuffer for "
+            << url.fileName() << endl;
+        multiBuffer = new MultiBuffer( TopLevel::getInstance()->main() );
+    }
+
+    static bool alwaysActivate = true;
+
+    kapp->config()->setGroup("Editor");
+    QString preferred = kapp->config()->readPathEntry("EmbeddedKTextEditor");
+    // If we are not using kyzis...
+    // Don't create non-wrapped views for now,
+    // avoid two paths (== two chances for bad bugs)
+    if ( preferred != "kyzispart" )
+        alwaysActivate = false;
+
+    KTextEditor::Editor *editorpart =
+        dynamic_cast<KTextEditor::Editor*>(multiBuffer->createPart( "text/plain",
+            "KTextEditor/Document",
+            alwaysActivate | activate ?
+            "KTextEditor::Editor" : "KTextEditor::Document",
+            preferred
+            ));
+
+    if ( url.isValid() )
+        editorpart->openURL( url );
+
+    multiBuffer->registerURL( url, editorpart );
+    multiBuffer->setDelayedActivation( !activate );
+    return editorpart;
+}
+
+void PartController::integratePart(KParts::Part *part, const KURL &url,
+                                   QWidget* widget, bool isTextEditor,
+                                   bool activate, bool addToCurrentBuffer )
+{
+  if (!widget) widget = part->widget();
+
+  if (!widget) {
+    /// @todo error handling
+      kdDebug(9000) << "no widget for this part!!" << endl;
+      return; // to avoid later crash
+  }
+
+  if ( !addToCurrentBuffer )
+    TopLevel::getInstance()->embedPartView(widget, url.fileName(), url.url());
+
+  addPart(part, activate);
+
+  // tell the parts we loaded a document
+  KParts::ReadOnlyPart *ro_part = dynamic_cast<KParts::ReadOnlyPart*>(part);
+  if ( !ro_part ) return;
+
+  emit loadedFile( ro_part->url() );
+
+  connect( part, SIGNAL(modifiedOnDisc(Kate::Document*, bool, unsigned char)), this, SLOT(slotDocumentDirty(Kate::Document*, bool, unsigned char)) );
+
+  // let's get notified when a document has been changed
+  connect(part, SIGNAL(completed()), this, SLOT(slotUploadFinished()));
+
+  // yes, we're cheating again. this signal exists for katepart's
+  // Document object and our HTMLDocumentationPart
+//  connect(part, SIGNAL(fileNameChanged()), this, SLOT(slotFileNameChanged()));
+
+  // Connect to the document's views newStatus() signal in order to keep track of the
+  // modified-status of the document.
+
+  if (isTextEditor)
+    integrateTextEditorPart(static_cast<KTextEditor::Document*>(part));
+
+  KInterfaceDesigner::Designer *designerPart = dynamic_cast<KInterfaceDesigner::Designer *>(part);
+  if (designerPart && API::getInstance()->languageSupport())
+  {
+      kdDebug() << "integrating designer part with language support" << endl;
+      connect(designerPart, SIGNAL(addedFunction(DesignerType, const QString&, Function )),
+          API::getInstance()->languageSupport(),
+          SLOT(addFunction(DesignerType, const QString&, Function )));
+      connect(designerPart, SIGNAL(editedFunction(DesignerType, const QString&, Function, Function )), API::getInstance()->languageSupport(),
+      SLOT(editFunction(DesignerType, const QString&, Function, Function )));
+      connect(designerPart, SIGNAL(removedFunction(DesignerType, const QString&, Function )),
+          API::getInstance()->languageSupport(),
+          SLOT(removeFunction(DesignerType, const QString&, Function )));
+      connect(designerPart, SIGNAL(editFunction(DesignerType, const QString&, const QString& )),
+          API::getInstance()->languageSupport(),
+          SLOT(openFunction(DesignerType, const QString&, const QString& )));
+      connect(designerPart, SIGNAL(editSource(DesignerType, const QString& )),
+          API::getInstance()->languageSupport(),
+          SLOT(openSource(DesignerType, const QString& )));
+      connect(designerPart, SIGNAL(newStatus(const QString &, int)),
+          this, SLOT(slotNewDesignerStatus(const QString &, int)));
+  }
+}
+
+void PartController::integrateTextEditorPart(KTextEditor::Document* doc)
+{
+  // There's shortcut conflict between Kate and the debugger, resolve
+  // it here. Ideally, the should be some standard mechanism, configurable
+  // by config files.
+  // However, it does not exists and situation here some rare commands
+  // like "Dynamic word wrap" or "Show line numbers" from Kate take
+  // all possible shortcuts, leaving us with IDE that has no shortcuts for
+  // debugger, is very bad.
+  //
+  // We could try to handle this in debugger, but that would require
+  // the debugger to intercept all new KTextEditor::View creations, which is
+  // not possible.
+
+
+  if ( !doc ) return;
+
+  connect( doc, SIGNAL(textChanged()), this, SLOT(textChanged()) );
+  connect( doc, SIGNAL(fileNameChanged()),
+    this, SLOT(slotDocumentUrlChanged()));
+
+  if( doc->widget() )
+  {
+      connect( doc->widget(), SIGNAL(dropEventPass(QDropEvent *)),
+        TopLevel::getInstance()->main(), SLOT(slotDropEvent(QDropEvent *)) );
+  }
+
+  if ( KTextEditor::View * view = dynamic_cast<KTextEditor::View*>( doc->widget() ) )
+  {
+    KActionCollection* c = view->actionCollection();
+    // Be extra carefull, in case the part either don't provide those
+    // action, or uses different shortcuts.
+
+    if (KAction* a = c->action("view_folding_markers"))
+    {
+      if (a->shortcut() == KShortcut(Key_F9))
+        a->setShortcut(KShortcut());
+    }
+
+    if (KAction* a = c->action("view_dynamic_word_wrap"))
+    {
+      if (a->shortcut() == KShortcut(Key_F10))
+        a->setShortcut(KShortcut());
+    }
+
+    if (KAction* a = c->action("view_line_numbers"))
+    {
+      if (a->shortcut() == KShortcut(Key_F11))
+        a->setShortcut(KShortcut());
+    }
+  }
+
+  //EditorProxy::getInstance()->installPopup(doc, contextPopupMenu());
+
+  // What's potentially problematic is that this signal isn't officially part of the
+  // KTextEditor::View interface. It is nevertheless there, and used in kate and kwrite.
+  // There doesn't seem to be any othere way of making this work with katepart, and since
+  // signals are dynamic, if we try to connect to an editorpart that lacks this signal,
+  // all we get is a runtime warning. At this point in time we are only really supported
+  // by katepart anyway so IMHO this hack is justified. //teatime
+  QPtrList<KTextEditor::View> list = doc->views();
+  QPtrListIterator<KTextEditor::View> it( list );
+  while ( it.current() )
+  {
+    connect( it, SIGNAL( newStatus() ), this, SLOT( slotNewStatus() ) );
+    ++it;
+  }
+}
+
+void PartController::slotPartAdded( KParts::Part * part )
+{
+	kdDebug(9000) << k_funcinfo << endl;
+
+	if ( KParts::ReadOnlyPart * ro_part = dynamic_cast<KParts::ReadOnlyPart*>( part ) )
+	{
+		updatePartURL( ro_part );
+	}
+
+	updateMenuItems();
+}
+
+void PartController::slotPartRemoved( KParts::Part * part )
+{
+	kdDebug(9000) << k_funcinfo << endl;
+
+	_partURLMap.remove( static_cast<KParts::ReadOnlyPart*>(part) );
+
+	if ( part == m_currentActivePart )
+	{
+		m_removingActivePart = true;
+	}
+
+	updateMenuItems();
+}
+
+void PartController::updatePartURL( KParts::ReadOnlyPart * ro_part )
+{
+	if ( ro_part->url().isEmpty() )
+	{
+		kdDebug(9000) << "updatePartURL() called with empty URL for part: " << ro_part << endl;
+		return;
+	}
+	_partURLMap[ ro_part ] = ro_part->url();
+}
+
+bool PartController::partURLHasChanged( KParts::ReadOnlyPart * ro_part )
+{
+	if ( _partURLMap.contains( ro_part ) && !ro_part->url().isEmpty() )
+	{
+		if ( _partURLMap[ ro_part ] != ro_part->url() )
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+KURL PartController::storedURLForPart( KParts::ReadOnlyPart * ro_part )
+{
+	if ( _partURLMap.contains( ro_part ) )
+	{
+		return _partURLMap[ ro_part ];
+	}
+	return KURL();
+}
+
+
+void PartController::slotUploadFinished()
+{
+	KParts::ReadOnlyPart *ro_part = const_cast<KParts::ReadOnlyPart*>( dynamic_cast<const KParts::ReadOnlyPart*>(sender()) );
+	if ( !ro_part ) return;
+
+	if ( partURLHasChanged( ro_part ) )
+	{
+		emit partURLChanged( ro_part );
+		updatePartURL( ro_part );
+	}
+}
+
+KParts::ReadOnlyPart *PartController::partForURL(const KURL &url)
+{
+	QPtrListIterator<KParts::Part> it(*parts());
+	for ( ; it.current(); ++it)
+	{
+		KParts::ReadOnlyPart *ro_part = dynamic_cast<KParts::ReadOnlyPart*>(it.current());
+		if (ro_part && url.path() == ro_part->url().path())
+			return ro_part;
+	}
+	return 0;
+}
+
+KParts::Part * PartController::partForWidget( const QWidget * widget )
+{
+	QPtrListIterator<KParts::Part> it(*parts());
+	for ( ; it.current(); ++it)
+	{
+		if ( it.current()->widget() == widget )
+		{
+			return *it;
+		}
+	}
+	return 0;
+}
+
+
+void PartController::activatePart(KParts::Part *part)
+{
+  if ( !part ) return;
+
+  QWidget * widget = EditorProxy::getInstance()->widgetForPart( part );
+  if (widget)
+  {
+    TopLevel::getInstance()->raiseView( widget );
+    widget->show();
+    widget->setFocus();
+  }
+
+  setActivePart(part);
+
+  QWidget* w2 = EditorProxy::getInstance()->widgetForPart( part );
+  if (w2 != widget)
+    w2->setFocus();
+}
+
+bool PartController::closePart(KParts::Part *part)
+{
+    KParts::ReadOnlyPart * ro_part =
+        dynamic_cast<KParts::ReadOnlyPart*>( part );
+
+    if ( !ro_part ) return true;
+
+    KURL url = ro_part->url();
+
+    if (QWidget* w = EditorProxy::getInstance()->topWidgetForPart( part ) )
+    {
+        if ( MultiBuffer *multiBuffer = dynamic_cast<MultiBuffer*>( w ) )
+        {
+            kdDebug(9000) << "About to delete MultiBuffered document..."
+                << " numberOfBuffers: " << multiBuffer->numberOfBuffers()
+                << " isActivated: " << multiBuffer->isActivated()
+                << endl;
+            if ( !multiBuffer->closeURL( url ) )
+                return false;
+
+            if ( multiBuffer->numberOfBuffers() == 0
+                 || !multiBuffer->isActivated() )
+            {
+                TopLevel::getInstance()->removeView( w );
+                _dirtyDocuments.remove( static_cast<KParts::ReadWritePart*>( ro_part ) );
+                emit closedFile( url );
+/*                kdDebug(9000) << "Deleting MultiBuffer Part" << endl;*/
+                TopLevel::getInstance()->main()->guiFactory()->removeClient( part );
+                delete part;
+/*                kdDebug(9000) << "DeleteLater Actual MultiBuffer" << endl;*/
+                multiBuffer->deleteLater();
+                return true;
+            }
+            else
+            {
+/*                kdDebug(9000) << "Deleting MultiBuffer Part" << endl;*/
+                _dirtyDocuments.remove( static_cast<KParts::ReadWritePart*>( ro_part ) );
+                TopLevel::getInstance()->main()->guiFactory()->removeClient( part );
+                emit closedFile( url );
+                delete part;
+                // Switch to a remaining buffer
+                setActivePart( multiBuffer->activeBuffer() );
+                return true;
+            }
+        }
+        else if ( !ro_part->closeURL() )
+            return false;
+	TopLevel::getInstance()->removeView( w );
+    }
+    else if ( !ro_part->closeURL() )
+        return false;
+    TopLevel::getInstance()->main()->guiFactory()->removeClient( part );
+
+    _dirtyDocuments.remove( static_cast<KParts::ReadWritePart*>( ro_part ) );
+    emit closedFile( url );
+
+/*    kdDebug(9000) << "Deleting Regular Part" << endl;*/
+    delete part;
+    return true;
+}
+
+
+void PartController::updateMenuItems()
+{
+  bool hasWriteParts = false;
+  bool hasReadOnlyParts = false;
+
+  QPtrListIterator<KParts::Part> it(*parts());
+  for ( ; it.current(); ++it)
+  {
+    if (it.current()->inherits("KParts::ReadWritePart"))
+      hasWriteParts = true;
+    if (it.current()->inherits("KParts::ReadOnlyPart"))
+      hasReadOnlyParts = true;
+  }
+
+  m_saveAllFilesAction->setEnabled(hasWriteParts);
+  m_revertAllFilesAction->setEnabled(hasWriteParts);
+  m_closeWindowAction->setEnabled(hasReadOnlyParts);
+  m_closeAllWindowsAction->setEnabled(hasReadOnlyParts);
+  m_closeOtherWindowsAction->setEnabled(hasReadOnlyParts);
+
+  m_backAction->setEnabled( !m_backHistory.isEmpty() );
+}
+
+void PartController::slotRevertAllFiles()
+{
+	revertAllFiles();
+}
+
+void PartController::reloadFile( const KURL & url )
+{
+	KParts::ReadWritePart * part = dynamic_cast<KParts::ReadWritePart*>( partForURL( url ) );
+	if ( part )
+	{
+		if ( part->isModified() )
+		{
+			if ( KMessageBox::warningYesNo( TopLevel::getInstance()->main(),
+				i18n( "The file \"%1\" is modified in memory. Are you sure you want to reload it? (Local changes will be lost.)" ).arg( url.path() ),
+				i18n( "File is Modified" ), i18n("Reload"), i18n("Do Not Reload") ) == KMessageBox::Yes )
+			{
+				part->setModified( false );
+			}
+			else
+			{
+				return;
+			}
+		}
+
+		unsigned int line = 0; unsigned int col = 0;
+		KTextEditor::ViewCursorInterface * iface = dynamic_cast<KTextEditor::ViewCursorInterface*>( part->widget() );
+		if (iface)
+		{
+			iface->cursorPositionReal( &line, &col );
+		}
+
+		part->openURL( url );
+
+		_dirtyDocuments.remove( part );
+		emit documentChangedState( url, Clean );
+
+		if ( iface )
+		{
+			iface->setCursorPositionReal( line, col );
+		}
+	}
+}
+
+void PartController::revertFiles( const KURL::List & list  )
+{
+	KURL::List::ConstIterator it = list.begin();
+	while ( it != list.end() )
+	{
+		reloadFile( *it );
+		++it;
+	}
+}
+
+void PartController::revertAllFiles()
+{
+	revertFiles( openURLs() );
+}
+
+void PartController::slotCloseWindow()
+{
+	closePart( activePart() );
+}
+
+KURL::List PartController::modifiedDocuments()
+{
+	KURL::List modFiles;
+
+	QPtrListIterator<KParts::Part> it( *parts() );
+	while( it.current() )
+	{
+		KParts::ReadWritePart *rw_part = dynamic_cast<KParts::ReadWritePart*>(it.current());
+		if ( rw_part && rw_part->isModified() )
+		{
+			modFiles << rw_part->url();
+		}
+		++it;
+	}
+	return modFiles;
+}
+
+void PartController::slotSave()
+{
+	kdDebug(9000) << k_funcinfo << endl;
+
+	if ( KParts::ReadWritePart * part = dynamic_cast<KParts::ReadWritePart*>( activePart() ) )
+	{
+		saveFile( part->url() );
+	}
+}
+
+void PartController::slotReload()
+{
+	kdDebug(9000) << k_funcinfo << endl;
+
+	if ( KParts::ReadWritePart * part = dynamic_cast<KParts::ReadWritePart*>( activePart() ) )
+	{
+		reloadFile( part->url() );
+	}
+}
+
+void PartController::slotSaveAllFiles()
+{
+  saveAllFiles();
+}
+
+bool PartController::saveFile( const KURL & url, bool force )
+{
+	KParts::ReadWritePart * part = dynamic_cast<KParts::ReadWritePart*>( partForURL( url ) );
+	if ( !part ) return true;
+
+	switch( documentState( url ) )
+	{
+		case Clean:
+			if ( !force )
+			{
+				return true;
+			}
+			kdDebug(9000) << "Forced save" << endl;
+			break;
+
+		case Modified:
+			kdDebug(9000) << "Normal save" << endl;
+			break;
+
+		case Dirty:
+		case DirtyAndModified:
+			{
+				int code = KMessageBox::warningYesNoCancel( TopLevel::getInstance()->main(),
+					i18n("The file \"%1\" is modified on disk.\n\nAre you sure you want to overwrite it? (External changes will be lost.)").arg( url.path() ),
+					i18n("File Externally Modified"), i18n("Overwrite"), i18n("Do Not Overwrite") );
+				if ( code == KMessageBox::Yes )
+				{
+					kdDebug(9000) << "Dirty save!!" << endl;
+				}
+				else if ( code == KMessageBox::No )
+				{
+					return true;
+				}
+				else
+				{
+					return false; // a 'false' return means to interrupt the process that caused the save
+				}
+			}
+			break;
+
+		default:
+			;
+	}
+
+	if ( part->save() )
+	{
+		_dirtyDocuments.remove( part );
+		emit documentChangedState( url, Clean );
+		emit savedFile( url );
+	}
+
+	return true;
+}
+
+bool PartController::saveAllFiles()
+{
+	return saveFiles( openURLs() );
+}
+
+bool PartController::saveFiles( KURL::List const & filelist )
+{
+	KURL::List::ConstIterator it = filelist.begin();
+	while ( it != filelist.end() )
+	{
+                if (saveFile( *it )==false)
+                   return false; //user cancelled
+		++it;
+	}
+        return true;
+}
+
+bool PartController::querySaveFiles()
+{
+	return saveFilesDialog( KURL::List() );
+}
+
+void PartController::clearModified( KURL::List const & filelist )
+{
+	KURL::List::ConstIterator it = filelist.begin();
+	while ( it != filelist.end() )
+	{
+		KParts::ReadWritePart * rw_part = dynamic_cast<KParts::ReadWritePart*>( partForURL( *it ) );
+		if ( rw_part )
+		{
+			rw_part->setModified( false );
+		}
+		++it;
+	}
+}
+
+bool PartController::saveFilesDialog( KURL::List const & ignoreList )
+{
+	KURL::List modList = modifiedDocuments();
+
+	if ( modList.count() > 0 && modList != ignoreList )
+	{
+		KSaveSelectDialog dlg( modList, ignoreList, TopLevel::getInstance()->main() );
+		if ( dlg.exec() == QDialog::Accepted )
+		{
+			saveFiles( dlg.filesToSave() );
+			clearModified( dlg.filesNotToSave() );
+		}
+		else
+		{
+			return false;
+		}
+	}
+	return true;
+}
+
+bool PartController::closeFilesDialog( KURL::List const & ignoreList )
+{
+	if ( !saveFilesDialog( ignoreList ) ) return false;
+
+	QPtrList<KParts::Part> partList( *parts() );
+	QPtrListIterator<KParts::Part> it( partList );
+	while ( KParts::Part* part = it.current() )
+	{
+		KParts::ReadOnlyPart * ro_part = dynamic_cast<KParts::ReadOnlyPart*>( part );
+		if ( ro_part && !ignoreList.contains( ro_part->url() ) || !ro_part )
+		{
+			closePart( part );
+		}
+		++it;
+	}
+	return true;
+}
+
+bool PartController::closeFiles( const KURL::List & list )
+{
+	KURL::List::ConstIterator it = list.begin();
+	while ( it != list.end() )
+	{
+		if ( !closePart( partForURL( *it ) ) )
+		{
+			return false;
+		}
+		++it;
+	}
+	return true;
+}
+
+bool PartController::closeFile( const KURL & url )
+{
+	return closePart( partForURL( url ) );
+}
+
+bool PartController::closeAllFiles()
+{
+	return closeFilesDialog( KURL::List() );
+}
+
+void PartController::slotCloseAllWindows()
+{
+	closeAllFiles();
+}
+
+bool PartController::closeAllOthers( const KURL & url )
+{
+	KURL::List ignoreList;
+	ignoreList.append( url );
+
+	return closeFilesDialog( ignoreList );
+}
+
+
+void PartController::slotCloseOtherWindows()
+{
+	if ( KParts::ReadOnlyPart * active = dynamic_cast<KParts::ReadOnlyPart*>( activePart() ) )
+	{
+		closeAllOthers( active->url() );
+	}
+}
+
+void PartController::slotOpenFile()
+{
+	QString DefaultEncoding;
+	if ( QDomDocument * projectDom = API::getInstance()->projectDom() )
+	{
+		DefaultEncoding = DomUtil::readEntry( *projectDom, "/general/defaultencoding", QString::null );
+	}
+
+	if ( DefaultEncoding.isEmpty() )
+	{
+		// have a peek at katepart's settings:
+		KConfig * config = kapp->config();
+		config->setGroup("Kate Document Defaults");
+		DefaultEncoding = config->readEntry("Encoding", QString::null );
+	}
+
+	KEncodingFileDialog::Result result = KEncodingFileDialog::getOpenURLsAndEncoding( DefaultEncoding, QString::null,
+		QString::null, TopLevel::getInstance()->main(), QString::null );
+
+	for ( KURL::List::Iterator it = result.URLs.begin(); it != result.URLs.end(); ++it )
+	{
+		m_presetEncoding = result.encoding;
+		editDocument( *it );
+	}
+}
+
+void PartController::slotOpenRecent( const KURL& url )
+{
+  editDocument( url );
+  // stupid bugfix - don't allow an active item in the list
+  m_openRecentAction->setCurrentItem( -1 );
+}
+
+bool PartController::readyToClose()
+{
+	blockSignals( true );
+
+	closeAllFiles(); // this should never return false, as the files are already saved
+
+	return true;
+}
+
+void PartController::slotActivePartChanged( KParts::Part *part )
+{
+	kdDebug(9000) << k_funcinfo << part << endl;
+
+	if ( !m_isJumping && !m_removingActivePart )
+	{
+		if ( KParts::ReadOnlyPart * ro_part = dynamic_cast<KParts::ReadOnlyPart*>(m_currentActivePart) )
+		{
+			addHistoryEntry( ro_part );
+		}
+	}
+
+	m_currentActivePart = part;
+	m_removingActivePart = false;
+
+    if (part) {
+        KXMLGUIClient* client = dynamic_cast<KXMLGUIClient*>(part->widget());
+        if (client) Core::setupShourtcutTips(client);
+    }
+
+    updateMenuItems();
+    QTimer::singleShot( 100, this, SLOT(slotWaitForFactoryHack()) );
+}
+
+void PartController::showPart( KParts::Part* part, const QString& name, const QString& shortDescription )
+{
+  if (!part->widget()) {
+    /// @todo error handling
+    return; // to avoid later crash
+  }
+
+  QPtrListIterator<KParts::Part> it(*parts());
+  for ( ; it.current(); ++it)
+  {
+    if( it.current() == part ){
+        // part already embedded
+	activatePart( it.current() );
+	return;
+    }
+  }
+
+  // embed the part
+  TopLevel::getInstance()->embedPartView( part->widget(), name, shortDescription );
+  addPart( part );
+}
+
+void PartController::slotDocumentDirty( Kate::Document * d, bool isModified, unsigned char reason )
+{
+	kdDebug(9000) << k_funcinfo << endl;
+
+	//	KTextEditor::Document * doc = reinterpret_cast<KTextEditor::Document*>( d ); // theoretically unsafe in MI scenario
+	KTextEditor::Document * doc = 0;
+
+	QPtrListIterator<KParts::Part> it( *parts() );
+	while( it.current() )
+	{
+		if ( (void*)it.current() == (void*)d )
+		{
+			doc = dynamic_cast<KTextEditor::Document*>( it.current() );
+			break;
+		}
+		++it;
+	}
+
+	// this is a bit strange, but in order to avoid weird crashes
+	// down in KDirWatcher, we want to step off the call chain before
+	// opening any messageboxes
+	if ( doc )
+	{
+		ModificationData * p = new ModificationData;
+		p->doc = doc;
+		p->isModified = isModified;
+		p->reason = reason;
+		KDevJobTimer::singleShot( 0, this, SLOT(slotDocumentDirtyStepTwo(void*)), p );
+	}
+}
+
+void PartController::slotDocumentDirtyStepTwo( void * payload )
+{
+	if ( !payload ) return;
+
+	ModificationData * p = reinterpret_cast<ModificationData*>( payload );
+	KTextEditor::Document * doc = p->doc;
+
+	// let's make sure the document is still loaded
+	bool haveDocument = false;
+	if( const QPtrList<KParts::Part> * partlist = parts() )
+	{
+		QPtrListIterator<KParts::Part> it( *partlist );
+		while ( KParts::Part * part = it.current() )
+		{
+			if ( p->doc == dynamic_cast<KTextEditor::Document*>( part ) )
+			{
+				haveDocument = true;
+				break;
+			}
+			++it;
+		}
+	}
+	if ( !haveDocument ) return;
+
+	bool isModified = p->isModified;
+	unsigned char reason = p->reason;
+	delete p;
+
+	KURL url = storedURLForPart( doc );
+	if ( url.isEmpty() )
+	{
+		kdDebug(9000) << "Warning!! the stored url is empty. Bailing out!" << endl;
+	}
+
+	if ( reason > 0 )
+	{
+		if ( !_dirtyDocuments.contains( doc ) )
+		{
+			_dirtyDocuments.append( doc );
+		}
+
+		if ( reactToDirty( url, reason ) )
+		{
+			// file has been reloaded
+			emit documentChangedState( url, Clean );
+			_dirtyDocuments.remove( doc );
+		}
+		else
+		{
+			doEmitState( url );
+		}
+	}
+	else
+	{
+		_dirtyDocuments.remove( doc );
+		emit documentChangedState( url, Clean );
+	}
+
+	kdDebug(9000) << doc->url().url() << endl;
+	kdDebug(9000) << isModified << endl;
+	kdDebug(9000) << reason << endl;
+}
+
+bool PartController::isDirty( KURL const & url )
+{
+	return _dirtyDocuments.contains( static_cast<KTextEditor::Document*>( partForURL( url ) ) );
+}
+
+bool PartController::reactToDirty( KURL const & url, unsigned char reason )
+{
+    KConfig *config = kapp->config();
+    config->setGroup("Editor");
+	QString dirtyAction = config->readEntry( "DirtyAction" );
+
+	if ( dirtyAction == "nothing" ) return false;
+
+	bool isModified = true;
+	if( KParts::ReadWritePart * part = dynamic_cast<KParts::ReadWritePart*>( partForURL( url ) ) )
+	{
+		isModified = part->isModified();
+	}
+	else
+	{
+		kdDebug(9000) << k_funcinfo << " Warning. Not a ReadWritePart." << endl;
+		return false;
+	}
+
+	if ( isModified )
+	{
+		KMessageBox::sorry( TopLevel::getInstance()->main(),
+			i18n("Conflict: The file \"%1\" has changed on disk while being modified in memory.\n\n"
+					"You should investigate before saving to make sure you are not losing data.").arg( url.path() ),
+			i18n("Conflict") );
+		return false;
+	}
+
+	if ( reason == 3 ) // means the file was deleted
+	{
+		KMessageBox::sorry( TopLevel::getInstance()->main(),
+			i18n("Warning: The file \"%1\" has been deleted on disk.\n\n"
+					"If this was not your intention, make sure to save this file now.").arg( url.path() ),
+			i18n("File Deleted") );
+		return false;
+	}
+
+	if ( dirtyAction == "alert" )
+	{
+		if ( KMessageBox::warningYesNo( TopLevel::getInstance()->main(),
+	   		i18n("The file \"%1\" has changed on disk.\n\nDo you want to reload it?").arg( url.path() ),
+			i18n("File Changed"), i18n("Reload"), i18n("Do Not Reload") ) == KMessageBox::No )
+		{
+			return false;
+		}
+	}
+
+	// here we either answered yes above or are in autoreload mode
+	reloadFile( url );
+
+	return true;
+}
+
+void PartController::slotNewDesignerStatus(const QString &formName, int status)
+{
+	kdDebug(9000) << k_funcinfo << endl;
+	kdDebug(9000) << " formName: " << formName << ", status: " << status << endl;
+	emit documentChangedState( KURL::fromPathOrURL(formName), DocumentState(status) );
+}
+
+void PartController::slotNewStatus( )
+{
+	kdDebug(9000) << k_funcinfo << endl;
+
+	QObject * senderobj = const_cast<QObject*>( sender() );
+	KTextEditor::View * view = dynamic_cast<KTextEditor::View*>( senderobj );
+	if ( view )
+	{
+		doEmitState( view->document()->url() );
+	}
+}
+
+DocumentState PartController::documentState( KURL const & url )
+{
+	KParts::ReadWritePart * rw_part = dynamic_cast<KParts::ReadWritePart*>( partForURL( url ) );
+	if ( !rw_part ) return Clean;
+
+	DocumentState state = Clean;
+	if ( rw_part->isModified() )
+	{
+		state = Modified;
+	}
+
+	if ( isDirty( url ) )
+	{
+		if ( state == Modified )
+		{
+			state = DirtyAndModified;
+		}
+		else
+		{
+			state = Dirty;
+		}
+	}
+
+	return state;
+}
+
+void PartController::doEmitState( KURL const & url )
+{
+	emit documentChangedState( url, documentState( url ) );
+}
+
+KURL::List PartController::openURLs( )
+{
+	KURL::List list;
+	QPtrListIterator<KParts::Part> it(*parts());
+	for ( ; it.current(); ++it)
+	{
+		if ( KParts::ReadOnlyPart *ro_part = dynamic_cast<KParts::ReadOnlyPart*>(it.current()) )
+		{
+			list << ro_part->url();
+		}
+	}
+	return list;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
+//BEGIN History methods
+
+PartController::HistoryEntry::HistoryEntry( const KURL & u, int l, int c)
+	: url(u), line(l), col(c)
+{
+	id = abs( QTime::currentTime().msecsTo( QTime() ) );	// should provide a reasonably unique number
+}
+
+void PartController::slotBack()
+{
+	HistoryEntry thatEntry = m_backHistory.front();
+	m_backHistory.pop_front();
+	m_backAction->setEnabled( !m_backHistory.isEmpty() );
+
+	HistoryEntry thisEntry = createHistoryEntry();
+	if ( !thisEntry.url.isEmpty() )
+	{
+		m_forwardHistory.push_front( thisEntry );
+		m_forwardAction->setEnabled( true );
+	}
+
+	jumpTo( thatEntry );
+}
+
+void PartController::slotForward()
+{
+	HistoryEntry thatEntry = m_forwardHistory.front();
+	m_forwardHistory.pop_front();
+	m_forwardAction->setEnabled( !m_forwardHistory.isEmpty() );
+
+	HistoryEntry thisEntry = createHistoryEntry();
+	if ( !thisEntry.url.isEmpty() )
+	{
+		m_backHistory.push_front( thisEntry );
+		m_backAction->setEnabled( true );
+	}
+
+	jumpTo( thatEntry );
+}
+
+void PartController::slotBackAboutToShow()
+{
+	KPopupMenu *popup = m_backAction->popupMenu();
+	popup->clear();
+
+	if ( m_backHistory.isEmpty()) return;
+
+	int i = 0;
+	QValueList<HistoryEntry>::ConstIterator it = m_backHistory.begin();
+	while( i < 10 && it != m_backHistory.end() )
+	{
+		popup->insertItem( (*it).url.fileName() + QString(" (%1)").arg( (*it).line +1), (*it).id );
+		++i;
+		++it;
+	}
+}
+
+void PartController::slotForwardAboutToShow( )
+{
+	KPopupMenu * popup = m_forwardAction->popupMenu();
+	popup->clear();
+
+	if ( m_forwardHistory.isEmpty() ) return;
+
+	int i = 0;
+	QValueList<HistoryEntry>::ConstIterator it = m_forwardHistory.begin();
+	while( i < 10 && it != m_forwardHistory.end() )
+	{
+		popup->insertItem( (*it).url.fileName() + QString(" (%1)").arg( (*it).line +1), (*it).id );
+		++i;
+		++it;
+	}
+}
+
+void PartController::slotBackPopupActivated( int id )
+{
+	QValueList<HistoryEntry>::Iterator it = m_backHistory.begin();
+	while( it != m_backHistory.end() )
+	{
+		if ( (*it).id == id )
+		{
+			HistoryEntry entry = *it;
+			m_backHistory.erase( m_backHistory.begin(), ++it );
+			m_backAction->setEnabled( !m_backHistory.isEmpty() );
+
+			HistoryEntry thisEntry = createHistoryEntry();
+			if ( !thisEntry.url.isEmpty() )
+			{
+				m_forwardHistory.push_front( thisEntry );
+				m_forwardAction->setEnabled( true );
+			}
+
+			jumpTo( entry );
+			return;
+		}
+		++it;
+	}
+}
+
+void PartController::slotForwardPopupActivated( int id )
+{
+	QValueList<HistoryEntry>::Iterator it = m_forwardHistory.begin();
+	while( it != m_forwardHistory.end() )
+	{
+		if ( (*it).id == id )
+		{
+			HistoryEntry entry = *it;
+			m_forwardHistory.erase( m_forwardHistory.begin(), ++it );
+			m_forwardAction->setEnabled( !m_forwardHistory.isEmpty() );
+
+			HistoryEntry thisEntry = createHistoryEntry();
+			if ( !thisEntry.url.isEmpty() )
+			{
+				m_backHistory.push_front( thisEntry );
+				m_backAction->setEnabled( true );
+			}
+
+			jumpTo( entry );
+			return;
+		}
+		++it;
+	}
+}
+
+void PartController::jumpTo( const HistoryEntry & entry )
+{
+	m_isJumping = true;
+	editDocument( entry.url, entry.line, entry.col );
+	m_isJumping = false;
+}
+
+
+PartController::HistoryEntry PartController::createHistoryEntry( KParts::ReadOnlyPart * ro_part ) {
+    if( ro_part == 0 )
+        ro_part = dynamic_cast<KParts::ReadOnlyPart*>( activePart() );
+
+    if ( !ro_part ) return HistoryEntry();
+    KTextEditor::ViewCursorInterface * cursorIface = dynamic_cast<KTextEditor::ViewCursorInterface*>( ro_part->widget() );
+    if ( !cursorIface ) return HistoryEntry();
+
+    uint line = 0;
+    uint col = 0;
+    cursorIface->cursorPositionReal( &line, &col );
+
+    return HistoryEntry( ro_part->url(), line, col );
+}
+
+
+// this should be called _before_ a jump is made
+void PartController::addHistoryEntry( KParts::ReadOnlyPart * part )
+{
+	if ( m_isJumping ) return;
+
+	HistoryEntry thisEntry = createHistoryEntry( part );
+	if ( !thisEntry.url.isEmpty() )
+	{
+		HistoryEntry lastEntry = m_backHistory.front();
+		if ( (lastEntry.url.path() != thisEntry.url.path()) || (lastEntry.line != thisEntry.line) )
+		{
+			m_backHistory.push_front( thisEntry );
+			m_backAction->setEnabled( true );
+
+			m_forwardHistory.clear();
+			m_forwardAction->setEnabled( false );
+		}
+		else
+		{
+			kdDebug(9000) << "** avoiding to create duplicate history entry **" << endl;
+		}
+	}
+}
+
+//END History methods
+
+void PartController::slotWaitForFactoryHack( )
+{
+	//kdDebug(9000) << k_funcinfo << endl;
+
+	if ( !activePart() ) return;
+
+	if ( dynamic_cast<KTextEditor::View*>( activePart()->widget() ) )
+	{
+		if ( !activePart()->factory() )
+		{
+			QTimer::singleShot( 100, this, SLOT(slotWaitForFactoryHack()) );
+    		return;
+		}
+		else
+		{
+			EditorProxy::getInstance()->installPopup( activePart() );
+		}
+	}
+
+    if ( MultiBuffer *multiBuffer =
+         dynamic_cast<MultiBuffer*>(
+            EditorProxy::getInstance()->topWidgetForPart( activePart() ) )
+       )
+    {
+        KURL url = dynamic_cast<KParts::ReadOnlyPart*>( activePart() )->url();
+        multiBuffer->activePartChanged( url );
+        // Really unfortunate, but the mainWindow relies upon this
+        // to set the tab's icon
+        emit documentChangedState( url, documentState( url ) );
+    }
+}
+
+KParts::ReadOnlyPart *PartController::qtDesignerPart()
+{
+	QPtrListIterator<KParts::Part> it(*parts());
+	for ( ; it.current(); ++it)
+	{
+		KInterfaceDesigner::Designer *des =  dynamic_cast<KInterfaceDesigner::Designer*>(it.current());
+		if (des && des->designerType() == KInterfaceDesigner::QtDesigner)
+			return des;
+	}
+	return 0;
+}
+
+KTextEditor::Editor *PartController::openTextDocument( bool activate )
+{
+    KTextEditor::Editor *editorpart =
+        createEditorPart( activate, false, KURL( i18n("unnamed") ) );
+
+    if ( editorpart )
+    {
+        if ( !m_presetEncoding.isNull() )
+        {
+            KParts::BrowserExtension * extension =
+                KParts::BrowserExtension::childObject( editorpart );
+            if ( extension )
+            {
+                KParts::URLArgs args;
+                args.serviceType = QString( "text/plain;" ) + m_presetEncoding;
+                extension->setURLArgs(args);
+            }
+            m_presetEncoding = QString::null;
+        }
+
+        QWidget * widget =
+            EditorProxy::getInstance()->topWidgetForPart( editorpart );
+
+        addHistoryEntry();
+        integratePart(editorpart, KURL(i18n("unnamed")), widget, true, true);
+
+        EditorProxy::getInstance()->setLineNumber(editorpart, 0, 0);
+    }
+
+    return editorpart;
+}
+
+void PartController::textChanged()
+{
+	if ( KTextEditor::Document * doc = dynamic_cast<KTextEditor::Document*>( activePart() ) )
+	{
+		if ( KTextEditor::ViewCursorInterface * vci = dynamic_cast<KTextEditor::ViewCursorInterface*>( doc->widget() ) )
+		{
+			m_gotoLastEditPosAction->setEnabled( true );
+
+			m_lastEditPos.url = doc->url();
+			vci->cursorPosition( &m_lastEditPos.pos.first, &m_lastEditPos.pos.second );
+		}
+	}
+}
+
+void PartController::gotoLastEditPos()
+{
+	editDocument( m_lastEditPos.url, m_lastEditPos.pos.first, m_lastEditPos.pos.second );
+}
+
+void PartController::slotDocumentUrlChanged()
+{
+    QObject *obj = const_cast<QObject*>(sender());
+    KTextEditor::Document *doc = dynamic_cast<KTextEditor::Document*>( obj );
+    if (!doc)
+        return;
+
+    MultiBuffer *multiBuffer = dynamic_cast<MultiBuffer*>(
+        EditorProxy::getInstance()->findPartWidget( doc ));
+    if (!multiBuffer)
+        return;
+
+    multiBuffer->updateUrlForPart(doc, doc->url());
+    updatePartURL(doc);
+    emit partURLChanged(doc);
+}
+
+#include "partcontroller.moc"
+