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241 lines
6.9 KiB
241 lines
6.9 KiB
//
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// C++ Interface: kxedocument
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//
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// Description:
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//
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//
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// Author: Adam Charytoniuk <achary@poczta.onet.pl>, (C) 2004
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//
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// Copyright: See COPYING file that comes with this distribution
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//
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//
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#ifndef KXEDOCUMENT_H
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#define KXEDOCUMENT_H
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#include <kurl.h>
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#include <tqobject.h>
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#include <tqdom.h>
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#include <tdeparts/part.h>
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#include <kxmlguiclient.h>
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#define SCHEMA_NAMESPACE "http://www.w3.org/2001/XMLSchema-instance"
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#define SCHEMA_ATTRIBUTE "schemaLocation"
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#define SCHEMA_ATTRIBUTE_XSI "xsi:schemaLocation"
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class TQString;
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class KCommand;
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/**
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@file
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*/
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/**
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@short Base class for documents in KXMLEditor.
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Stores XML document data which can be manipulated by KXMLEditor application.
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@author Adam Charytoniuk
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*/
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class KXEDocument : public TQObject, public TQDomDocument, public KXMLGUIClient
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{
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TQ_OBJECT
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public:
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/** @short Constructor */
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KXEDocument(TQObject *parent=0, const char *name=0);
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/** @short Destructor */
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~KXEDocument();
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/** @short Saves document into given file */
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bool save(const TQString &);
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/** @short Loads document from given file */
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bool open(const TQString &);
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/** @short Sets modification flag.
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Should be called after every operation done on the document content */
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void setModified(bool value=true);
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/** @short Returns true if this document was modified and not saved yet */
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bool isModified() {return m_bIsModified;}
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/** @short Changes document url */
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void setURL(KURL url);
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/** @short Executes given command and adds it into internal document command history list
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@param pCmd pointer to KXECommand object which encapsulates required operations
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on a document content
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*/
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/** @short Notifies views about creating new element
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@param node newly created node
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*/
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void updateNodeCreated(const TQDomNode & node);
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/** @short Notifies views about deleting node
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This should be called before given node from the document will be deleted.
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This will give a chanse to the views to remove that node visualization.
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@param node that is going to be deleted
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*/
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void updateNodeDeleted(const TQDomNode & node);
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/** @short Notifies views about element properties changes
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Should be called after element name or element attributes are changed.
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@param domElement element that has changed
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*/
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void updateNodeChanged( const TQDomElement & domElement );
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/** @short Notifies views after change char. data properties
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Should be called after any kind of character data is changed
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(including texts, comments, .CDATA sections).
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@param node character data node that has changed
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*/
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void updateNodeChanged( const TQDomCharacterData & node ) ;
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/** @short Notifies views after change proc. instr. properties
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Should be called after any processing intruction is changed.
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@param domProcInstr processing instruction that has changed
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*/
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void updateNodeChanged( const TQDomProcessingInstruction &domProcInstr );
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/** @short Notifies views after moving node
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Should be called if any node in the document was moved.
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@param node XML node that has been moved
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*/
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void updateNodeMoved( const TQDomNode & node );
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/** @short Removes spec. processing instruction from XML file.
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@param target name of the proc. instruction target
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@warning Removes processing instruction from DomDocument children node list only (no subnodes are modiified).
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@sa setSpecProcInstr()
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*/
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void removeSpecProcInstr(const TQString &target);
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/** @short Adds or changes (if already exists) processing instruction.
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Processing instruction will be added as a child in TQDomDocument object.
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@param target processing intruction target
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@param data processing intruction data
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@sa removeSpecProcInstr()
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*/
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virtual void setSpecProcInstr(const TQString& target, const TQString& data);
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/** @short Returns processing instruction located in TQDomDocument.
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If given processing intruction is not found, null node is returned.
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@param target name of the processing instruction target.
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@sa setSpecProcInstr()
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*/
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TQDomNode getSpecProcInstr(const TQString& target);
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/** @short Attaches stylesheet to current XML file.
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If file is already attached to stylesheet, this attachment will be overriten.
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@param stylesheet url to stylesheet location
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@sa detachStylesheet()
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*/
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virtual void attachStylesheet(const KURL& stylesheet);
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/** @short Detaches stylesheet from current XML file.
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@sa attachStylesheet()*/
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virtual void detachStylesheet();
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/** Attaches schema to current XML file. If file is already attached to schema,
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this attachment will be overriten.
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@param schema url to schema location
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@sa detachSchema()*/
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virtual void attachSchema(const KURL& schema);
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/** @short Detaches schema from current XML file.
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@sa attachSchema()*/
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virtual void detachSchema();
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/** @short prepares content of newly created document.
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The preparation will be done accordingly to settings.
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In addition, signal sigOpened() is emited to notify all views
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about the change.*/
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virtual void newFile();
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/** @short Inserts special proc.instruction into document. */
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KCommand * actVersionEncoding();
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/** @short Called on user's action response.
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Creates <?xml-stylesheet ...?> processing instruction
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with reference to specified stylesheet URI.
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*/
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KCommand * actAttachStylesheet();
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/** @short Called on user's action response. */
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KCommand * actDetachStylesheet();
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/** @short Called on user's action response */
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KCommand * actDetachSchema();
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/** @short Called on user's action response */
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KCommand * actAttachSchema();
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private:
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TQString m_strCompressedTarEntryName;
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/** Equals true if document was opened from compressed file */
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bool m_bDocIsCompressed;
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/** @short Stores modification flag */
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bool m_bIsModified;
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KURL m_url;
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signals:
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/** @short Emmited when document has a new content.
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This may happen in the following scenarios:
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- document was opened from the fille or URL,
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- document has modified big part of the content
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- document initialized it's content after creations
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@sa newFile()
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*/
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void sigOpened();
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/** @short Emitted when document content have been changed.
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This allows to notify all attached views about that event.*/
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void sigModified(bool value);
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void sigURLChanged(KURL url);
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/** @short Emitted when new node was added to document.*/
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void sigNodeCreated(const TQDomNode & node);
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/** @short Emitted everytime node was deleted from document.*/
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void sigNodeDeleted(const TQDomNode & node);
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/** @short Emitted everytime document element was changed .*/
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void sigNodeChanged( const TQDomElement & domElement );
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/** @short Emitted everytime character data node was changed.
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This is the case for nodes like:
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- text,
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- comments,
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- CDATA sections,
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*/
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void sigNodeChanged( const TQDomCharacterData & node ) ;
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/** @short Emitted everytime processing instruction in document was changed .*/
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void sigNodeChanged( const TQDomProcessingInstruction &domProcInstr );
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/** @short Emitted everytime document node was moved was changed .*/
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void sigNodeMoved( const TQDomNode & node );
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};
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#endif
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