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