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513 lines
15 KiB
513 lines
15 KiB
/* This file is part of the KDE project
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Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
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Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KFORMULADOCUMENT_H
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#define KFORMULADOCUMENT_H
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#include <tqdom.h>
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#include <tqobject.h>
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#include <tqptrlist.h>
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#include <tqstring.h>
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#include <tqstringlist.h>
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#include <kaction.h>
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#include <kcommand.h>
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#include <kconfig.h>
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#include <KoCommandHistory.h>
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//#include "KoCommandHistory.h"
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#include "kformuladefs.h"
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KFORMULA_NAMESPACE_BEGIN
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class Container;
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class ContextStyle;
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class SymbolAction;
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class SymbolTable;
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class DocumentWrapper;
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class ElementCreationStrategy;
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/**
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* small utility class representing a sortable (by x,y position) list
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* of formulas you can use sort() and inSort(item)
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**/
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class FormulaList: public TQPtrList<Container>
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{
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protected:
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virtual int compareItems( TQPtrCollection::Item a, TQPtrCollection::Item b );
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};
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/**
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* A document that can contain a lot of formulas (container).
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*
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* The relationship between the document and its formulas is an
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* open one. The document sure owns the formulas and when it
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* vanishes the formulas will be destroyed, too. But the user
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* will most often work with those formulas directly and not
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* bother to ask the document. It's legal to directly create
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* or destroy a Container object.
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*/
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class KOFORMULA_EXPORT Document : public TQObject {
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Q_OBJECT
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friend class DocumentWrapper;
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friend class Container;
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public:
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/**
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* Creates a formula document.
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*/
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Document( TQObject *parent=0, const char *name=0,
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const TQStringList &args=TQStringList() );
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~Document();
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/**
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* Factory method.
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*/
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virtual Container* createFormula( int pos=-1, bool registerMe=true );
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/**
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* Registers a new formula to be part of this document. Each formula
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* must be part of exactly one document.
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*/
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virtual void registerFormula( Container*, int pos=-1 );
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/**
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* Removes a formula from this document. The formula will stay
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* alive and might be registered again.
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*/
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virtual void unregisterFormula( Container* );
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/**
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* Triggers the evaluation of the whole document. This obviously
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* required evaluation support.
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*/
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virtual void evaluateFormulas() {}
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virtual void enableEvaluation( bool ) {}
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/**
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* Load a kformula DomDocument with all its formulas.
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* This must only be called on a virgin document.
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*/
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bool loadXML( const TQDomDocument& doc );
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/**
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* Load a OASIS content.xml DomDocument
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* @since 1.4
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*/
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bool loadOasis( const TQDomDocument& doc );
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/**
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* Load the document settings.
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*/
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bool loadDocumentPart( TQDomElement node );
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/**
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* Save the document with all its formulae.
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*/
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TQDomDocument saveXML();
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/**
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* Save the document settings.
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*/
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TQDomElement saveDocumentPart( TQDomDocument& doc );
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/**
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* @returns the documents context style.
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*/
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ContextStyle& getContextStyle( bool edit=false );
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/**
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* Change the zoom factor to @p z (e.g. 150 for 150%)
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* and/or change the resolution, given in DPI.
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* Uses the KoTextZoomHandler.
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*/
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void setZoomAndResolution( int zoom, int dpiX, int dpiY );
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void newZoomAndResolution( bool updateViews, bool forPrint );
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/**
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* Sets the zoom by hand. This is to be used in <code>paintContent</code>.
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*/
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void setZoomAndResolution( int zoom, double zoomX, double zoomY,
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bool updateViews=false, bool forPrint=false );
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double getXResolution() const;
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double getYResolution() const;
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/**
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* Sets a new formula.
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*/
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void activate(Container* formula);
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/**
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* Enables our action according to enabled.
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*/
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void setEnabled( bool enabled );
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/**
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* @returns our undo stack so the formulas can use it.
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*/
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KoCommandHistory* getHistory() const;
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/**
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* @returns the documents symbol table
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*/
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const SymbolTable& getSymbolTable() const;
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/**
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* Gets called when the configuration changed.
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* (Maybe we can find a better solution.)
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*/
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void updateConfig();
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/**
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* Return a kformula DomDocument.
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*/
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static TQDomDocument createDomDocument();
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/**
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* Create a MathML Dom Document, deprecates KFO Dom Document for internal layout
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* TODO: Shouldn't this go to KoDocument ?
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*/
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TQDomDocument createMathMLDomDocument();
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/**
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* Set formula creation strategy: old KFormula or MathML/ODF.
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* This tells which tags are valid during formula constructions
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*
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* @param strategy -- "Ordinary" for old Kformula, "Oasis" for MathML/ODF
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*/
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void setCreationStrategy( TQString strategy );
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public:
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/**
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* @returns an iterator for the collection of formulas.
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*/
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TQPtrListIterator<Container> formulas();
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SymbolType leftBracketChar();
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SymbolType rightBracketChar();
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DocumentWrapper* wrapper() { return m_wrapper; }
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protected:
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/**
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* @returns the internal position of this formula or -1 if it
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* doesn't belong to us.
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*/
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int formulaPos( Container* formula );
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/**
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* @returns the formula at position pos.
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*/
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Container* formulaAt( uint pos );
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/**
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* @returns the number of formulas in this document.
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*/
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int formulaCount();
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/**
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* Sorts the list of formulas according to their screen positions.
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*/
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void sortFormulaList();
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private:
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/**
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* Return the formula with the given number or create a new one
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* if there is no such formula.
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*/
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Container* newFormula( uint number );
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/**
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* @returns whether we have a formula that can get requests.
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*/
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bool hasFormula();
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/**
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* recalc all formulae.
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*/
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void recalc();
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void introduceWrapper( DocumentWrapper* wrapper, bool init );
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/**
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* The Wrapper we belong to.
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*/
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DocumentWrapper* m_wrapper;
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/**
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* The active formula.
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*/
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Container* m_formula;
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/**
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* The documents context style. This is the place where all
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* the user configurable informations are stored.
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*/
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ContextStyle* m_contextStyle;
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/**
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* All formulae that belong to this document.
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*/
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FormulaList formulae;
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/**
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* Creation strategy to use in this document.
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*/
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ElementCreationStrategy* creationStrategy;
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};
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/**
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* A Wrapper that constracts the actions and must be given a real
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* document to work with.
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*/
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class KOFORMULA_EXPORT DocumentWrapper : public TQObject {
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Q_OBJECT
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public:
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DocumentWrapper( TDEConfig* config,
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KActionCollection* collection,
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KoCommandHistory* history = 0 );
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~DocumentWrapper();
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TDEConfig* config() { return m_config; }
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KoCommandHistory* history() { return m_history; }
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/**
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* @return the document we are using.
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*/
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Document* document() const { return m_document; }
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/**
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* Enables our action according to enabled.
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*/
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void setEnabled( bool enabled );
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/**
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* Inserts the document we are wrapping. This must be called once
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* before the wrapper can be used.
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*/
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void document( Document* document, bool init = true );
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KAction* getAddNegThinSpaceAction() { return m_addNegThinSpaceAction; }
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KAction* getAddThinSpaceAction() { return m_addThinSpaceAction; }
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KAction* getAddMediumSpaceAction() { return m_addMediumSpaceAction; }
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KAction* getAddThickSpaceAction() { return m_addThickSpaceAction; }
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KAction* getAddQuadSpaceAction() { return m_addQuadSpaceAction; }
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KAction* getAddBracketAction() { return m_addBracketAction; }
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KAction* getAddSBracketAction() { return m_addSBracketAction;}
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KAction* getAddCBracketAction() { return m_addCBracketAction;}
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KAction* getAddAbsAction() { return m_addAbsAction;}
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KAction* getAddFractionAction() { return m_addFractionAction; }
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KAction* getAddRootAction() { return m_addRootAction; }
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KAction* getAddSumAction() { return m_addSumAction; }
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KAction* getAddProductAction() { return m_addProductAction; }
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KAction* getAddIntegralAction() { return m_addIntegralAction; }
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KAction* getAddMatrixAction() { return m_addMatrixAction; }
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KAction* getAddOneByTwoMatrixAction(){ return m_addOneByTwoMatrixAction; }
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KAction* getAddUpperLeftAction() { return m_addUpperLeftAction; }
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KAction* getAddLowerLeftAction() { return m_addLowerLeftAction; }
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KAction* getAddUpperRightAction() { return m_addUpperRightAction; }
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KAction* getAddLowerRightAction() { return m_addLowerRightAction; }
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KAction* getAddGenericUpperAction() { return m_addGenericUpperAction; }
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KAction* getAddGenericLowerAction() { return m_addGenericLowerAction; }
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KAction* getAddOverlineAction() { return m_addOverlineAction; }
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KAction* getAddUnderlineAction() { return m_addUnderlineAction; }
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KAction* getAddMultilineAction() { return m_addMultilineAction; }
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KAction* getRemoveEnclosingAction() { return m_removeEnclosingAction; }
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KAction* getMakeGreekAction() { return m_makeGreekAction; }
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KAction* getInsertSymbolAction() { return m_insertSymbolAction; }
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KAction* getAppendColumnAction() { return m_appendColumnAction; }
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KAction* getInsertColumnAction() { return m_insertColumnAction; }
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KAction* getRemoveColumnAction() { return m_removeColumnAction; }
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KAction* getAppendRowAction() { return m_appendRowAction; }
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KAction* getInsertRowAction() { return m_insertRowAction; }
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KAction* getRemoveRowAction() { return m_removeRowAction; }
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void enableMatrixActions(bool);
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KSelectAction* getLeftBracketAction() { return m_leftBracket; }
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KSelectAction* getRightBracketAction() { return m_rightBracket; }
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SymbolAction* getSymbolNamesAction() { return m_symbolNamesAction; }
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KToggleAction* getSyntaxHighlightingAction()
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{ return m_syntaxHighlightingAction; }
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KToggleAction* getFormatBoldAction() { return m_formatBoldAction; }
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KToggleAction* getFormatItalicAction() { return m_formatItalicAction; }
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KSelectAction* getFontFamilyAction() { return m_fontFamily; }
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KSelectAction* getTokenElementAction() { return m_tokenElement; }
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SymbolType leftBracketChar() const { return m_leftBracketChar; }
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SymbolType rightBracketChar() const { return m_rightBracketChar; }
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void updateConfig();
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KoCommandHistory* getHistory() const { return m_history; }
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void undo();
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void redo();
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public slots:
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void paste();
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void copy();
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void cut();
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void addNegThinSpace();
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void addThinSpace();
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void addMediumSpace();
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void addThickSpace();
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void addQuadSpace();
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void addDefaultBracket();
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void addBracket( SymbolType left, SymbolType right );
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void addParenthesis();
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void addSquareBracket();
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void addCurlyBracket();
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void addLineBracket();
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void addFraction();
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void addRoot();
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void addIntegral();
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void addProduct();
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void addSum();
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void addMatrix( uint rows=0, uint columns=0 );
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void addOneByTwoMatrix();
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void addNameSequence();
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void addLowerLeftIndex();
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void addUpperLeftIndex();
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void addLowerRightIndex();
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void addUpperRightIndex();
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void addGenericLowerIndex();
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void addGenericUpperIndex();
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void addOverline();
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void addUnderline();
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void addMultiline();
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void removeEnclosing();
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void makeGreek();
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void insertSymbol();
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void insertSymbol( TQString name );
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void appendColumn();
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void insertColumn();
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void removeColumn();
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void appendRow();
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void insertRow();
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void removeRow();
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void toggleSyntaxHighlighting();
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void textBold();
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void textItalic();
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void delimiterLeft();
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void delimiterRight();
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void symbolNames();
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void fontFamily();
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void tokenElement();
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private:
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void createActions( KActionCollection* collection );
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void initSymbolNamesAction();
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void setCommandStack( KoCommandHistory* history );
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bool hasFormula() { return m_document->hasFormula(); }
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Container* formula() { return m_document->m_formula; }
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Document* m_document;
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KAction* m_addNegThinSpaceAction;
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KAction* m_addThinSpaceAction;
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KAction* m_addMediumSpaceAction;
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KAction* m_addThickSpaceAction;
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KAction* m_addQuadSpaceAction;
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KAction* m_addBracketAction;
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KAction* m_addSBracketAction;
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KAction* m_addCBracketAction;
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KAction* m_addAbsAction;
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KAction* m_addFractionAction;
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KAction* m_addRootAction;
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KAction* m_addSumAction;
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KAction* m_addProductAction;
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KAction* m_addIntegralAction;
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KAction* m_addMatrixAction;
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KAction* m_addOneByTwoMatrixAction;
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KAction* m_addUpperLeftAction;
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KAction* m_addLowerLeftAction;
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KAction* m_addUpperRightAction;
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KAction* m_addLowerRightAction;
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KAction* m_addGenericUpperAction;
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KAction* m_addGenericLowerAction;
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KAction* m_addOverlineAction;
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KAction* m_addUnderlineAction;
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KAction* m_addMultilineAction;
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KAction* m_removeEnclosingAction;
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KAction* m_makeGreekAction;
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KAction* m_insertSymbolAction;
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KAction* m_appendColumnAction;
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KAction* m_insertColumnAction;
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KAction* m_removeColumnAction;
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KAction* m_appendRowAction;
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KAction* m_insertRowAction;
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KAction* m_removeRowAction;
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KToggleAction* m_syntaxHighlightingAction;
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KToggleAction* m_formatBoldAction;
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KToggleAction* m_formatItalicAction;
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KSelectAction* m_leftBracket;
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KSelectAction* m_rightBracket;
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SymbolAction* m_symbolNamesAction;
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KSelectAction* m_fontFamily;
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KSelectAction* m_tokenElement;
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SymbolType m_leftBracketChar;
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SymbolType m_rightBracketChar;
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TQString m_selectedName;
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TDEConfig* m_config;
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KoCommandHistory* m_history;
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/**
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* Tells whether we are responsible to remove our history.
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*/
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bool m_ownHistory;
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bool m_hasActions;
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};
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KFORMULA_NAMESPACE_END
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#endif // KFORMULADOCUMENT_H
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