1 files changed, 247 insertions, 0 deletions
diff --git a/kformula/kformula_doc.cpp b/kformula/kformula_doc.cpp
new file mode 100644
index 000000000..5eeb59f4b
--- /dev/null
+++ b/kformula/kformula_doc.cpp
@@ -0,0 +1,247 @@
+/* This file is part of the KDE project
+   Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
+	              Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
+
+   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.
+
+   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 "kformula_doc.h"
+#include "kformula_view.h"
+#include "kformula_factory.h"
+
+#include <tqbitmap.h>
+#include <tqcolor.h>
+#include <tqdom.h>
+#include <tqpainter.h>
+#include <tqpopupmenu.h>
+#include <tqprinter.h>
+#include <tqstring.h>
+#include <tqwmatrix.h>
+#include <tqfile.h>
+
+#include <config.h>
+#include <unistd.h>
+
+#include <tdeaboutdialog.h>
+#include <tdeaction.h>
+#include <tdeapplication.h>
+#include <kdebug.h>
+#include <KoGlobal.h>
+#include <kiconloader.h>
+#include <tdelocale.h>
+#include <kstdaction.h>
+#include <kstandarddirs.h>
+#include <kurl.h>
+#include <KoXmlWriter.h>
+#include <KoStoreDevice.h>
+#include <tdetempfile.h>
+#include <KoMainWindow.h>
+
+#include <kformulacontainer.h>
+#include <kformuladocument.h>
+
+
+KFormulaDoc::KFormulaDoc(TQWidget *parentWidget, const char *widgetName, TQObject* parent, const char* name, bool singleViewMode)
+        : KoDocument(parentWidget, widgetName, parent, name, singleViewMode)
+{
+    setInstance(KFormulaFactory::global(), false);
+    //kdDebug(39001) << "General Settings" << endl;
+
+    history = new KoCommandHistory( actionCollection() );
+    wrapper = new KFormula::DocumentWrapper( kapp->config(),
+                                             actionCollection(),
+                                             history );
+    document = new KFormula::Document;
+    wrapper->document( document );
+    formula = document->createFormula();
+
+    document->setEnabled( true );
+
+    // the modify flag
+    connect(history, TQT_SIGNAL(commandExecuted()), this, TQT_SLOT(commandExecuted()));
+    connect(history, TQT_SIGNAL(documentRestored()), this, TQT_SLOT(documentRestored()));
+    dcopObject();
+}
+
+
+KFormulaDoc::~KFormulaDoc()
+{
+    delete history;
+    delete wrapper;
+}
+
+
+bool KFormulaDoc::saveOasis( KoStore* store, KoXmlWriter* manifestWriter )
+{
+    if ( !store->open( "content.xml" ) )
+        return false;
+
+    KoStoreDevice dev( store );
+    KoXmlWriter* contentWriter = createOasisXmlWriter( &dev, "math:math" );
+
+
+    KTempFile contentTmpFile;
+    contentTmpFile.setAutoDelete( true );
+    TQFile* tmpFile = contentTmpFile.file();
+
+    //todo save content
+    TQTextStream stream(tmpFile);
+    stream.setEncoding( TQTextStream::UnicodeUTF8 );
+    formula->saveMathML( stream, true );
+
+    tmpFile->close();
+    contentWriter->addCompleteElement( TQT_TQIODEVICE(tmpFile) );
+    contentTmpFile.close();
+
+
+
+    contentWriter->endElement();
+    delete contentWriter;
+
+    if(!store->close())
+        return false;
+
+    manifestWriter->addManifestEntry("content.xml", "text/xml");
+
+    setModified( false );
+
+    return true;
+}
+
+
+TQDomDocument KFormulaDoc::saveXML()
+{
+    TQDomDocument doc = document->saveXML();
+    history->documentSaved();
+    return doc;
+}
+
+bool KFormulaDoc::loadOasis( const TQDomDocument& doc, KoOasisStyles&, const TQDomDocument&, KoStore* )
+{
+    // we don't have style into this format
+    // we don't have settings into kformula (for the moment)
+    // necessary to adapt kformula code to load MathML format with Oasis Extension.
+    
+    if ( document->loadOasis( doc ) ) {
+        history->clear();
+        history->documentSaved();
+        return true;
+    }
+    return false;
+}
+
+bool KFormulaDoc::loadXML(TQIODevice *, const TQDomDocument& doc)
+{
+    if ( doc.doctype().name().lower() == "math"
+         || doc.documentElement().tagName().lower() == "math" )
+        if ( document->loadOasis( doc ) ) {
+            history->clear();
+            history->documentSaved();
+            return true;
+        }
+    if ( document->loadXML( doc ) ) {
+        history->clear();
+        history->documentSaved();
+        return true;
+    }
+    return false;
+}
+
+/**
+ * Saves the document in native format, to a given file.
+ * It is reimplemented to handle the special case of MathML, since it is
+ * a native format but not compressed.
+ */
+bool KFormulaDoc::saveNativeFormat( const TQString & file )
+{
+    TQCString mimeType = outputMimeType();
+    bool mathml = !mimeType.isEmpty() && mimeType.contains( "mathml", false );
+    if ( mathml ) {
+        TQFile f( file );
+        if ( f.open( IO_WriteOnly | IO_Translate ) )
+        {
+            TQTextStream stream( &f );
+            stream.setEncoding( TQTextStream::UnicodeUTF8 );
+            formula->saveMathML( stream, false );
+            f.close();
+            return true;
+        }
+        else
+            return false;
+    }
+    // If it's not MathML, let the parent handle it
+    return KoDocument::saveNativeFormat( file );
+}
+
+KoView* KFormulaDoc::createViewInstance(TQWidget* _parent, const char *name)
+{
+    return new KFormulaPartView(this, _parent, name);
+}
+
+void KFormulaDoc::commandExecuted()
+{
+    if (formula->isEmpty()) {
+        setEmpty();
+    }
+    setModified(true);
+}
+
+void KFormulaDoc::documentRestored()
+{
+    setModified(false);
+}
+
+
+bool KFormulaDoc::initDoc(InitDocFlags /*flags*/, TQWidget* /*parentWidget*/)
+{
+    // If nothing is loaded, do initialize here
+    return TRUE;
+}
+
+void KFormulaDoc::showStartUpWidget(KoMainWindow* parent, bool /*alwaysShow*/)
+{
+    parent->setRootDocument( this );
+}
+
+bool KFormulaDoc::showEmbedInitDialog(TQWidget* /*parent*/)
+{
+  return true;
+}
+
+void KFormulaDoc::paintContent(TQPainter& painter, const TQRect& rect, bool transparent, double zoomX, double zoomY)
+{
+    // ####### handle transparency and zoom
+    // Need to draw only the document rectangle described in the parameter rect.
+
+    bool forPrint = painter.device() && painter.device()->devType() == TQInternal::Printer;
+    document->setZoomAndResolution( 100, zoomX, zoomY, true, forPrint );
+    if ( !transparent ) {
+        painter.fillRect( rect, TQt::white );
+    }
+    formula->draw( painter, rect );
+}
+
+TQString KFormulaDoc::configFile() const
+{
+//    return readConfigFile( locate( "data", "kformula/kformula.rc",
+//                                 KFormulaFactory::global() ) );
+
+//    return readConfigFile( "kformula.rc" );
+    return TQString();
+}
+
+#include "kformula_doc.moc"