You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
377 lines
8.7 KiB
377 lines
8.7 KiB
/* This file is part of the KDE project
|
|
*
|
|
* Copyright (C) 2005 Leo Savernik <l.savernik@aon.at>
|
|
*
|
|
* 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 of the License, or (at your option) any later version.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef domtreecommands_H
|
|
#define domtreecommands_H
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include <dom/dom_element.h>
|
|
#include <dom/dom_exception.h>
|
|
#include <dom/dom_string.h>
|
|
#include <dom/dom_text.h>
|
|
|
|
#include <kcommand.h>
|
|
|
|
#include <tqobject.h>
|
|
#include <tqptrlist.h>
|
|
|
|
class DOMTreeView;
|
|
class KPrinter;
|
|
class KURL;
|
|
|
|
namespace domtreeviewer {
|
|
|
|
class ManipulationCommandSignalEmitter;
|
|
class ChangedNodeSet;
|
|
|
|
/** returns a localized string for the given dom exception code */
|
|
TQString domErrorMessage(int exception_code);
|
|
|
|
/**
|
|
* Internal class for emitting signals.
|
|
* @internal
|
|
*/
|
|
class ManipulationCommandSignalEmitter : public TQObject
|
|
{
|
|
Q_OBJECT
|
|
TQ_OBJECT
|
|
|
|
ManipulationCommandSignalEmitter();
|
|
virtual ~ManipulationCommandSignalEmitter();
|
|
|
|
#undef signals
|
|
#define signals public
|
|
signals:
|
|
#undef signals
|
|
#define signals protected
|
|
/** emitted if the DOM structure has been changed */
|
|
void structureChanged();
|
|
/** emitted if a DOM node has been changed */
|
|
void nodeChanged(const DOM::Node &changedNode);
|
|
/** emitted if an error occurred
|
|
* @param err_id DOM error id
|
|
* @param msg error message
|
|
*/
|
|
void error(int err_id, const TQString &msg);
|
|
|
|
private: // make tqmoc not complain
|
|
friend class ManipulationCommand;
|
|
};
|
|
|
|
/**
|
|
* Base class of all dom tree manipulation commands.
|
|
* @author Leo Savernik
|
|
*/
|
|
class ManipulationCommand : public KCommand
|
|
{
|
|
public:
|
|
ManipulationCommand();
|
|
virtual ~ManipulationCommand();
|
|
|
|
/** returns whether this command is still valid and can be executed */
|
|
bool isValid() const { return !_exception.code; }
|
|
/** returns the last occurred DOM exception */
|
|
DOM::DOMException exception() const { return _exception; }
|
|
/** returns true when the next issue of execute will reapply the command */
|
|
bool shouldReapply() const { return _reapplied; }
|
|
/** returns true if the command may emit signals */
|
|
bool allowSignals() const { return allow_signals; }
|
|
|
|
/** connects the given signal to a slot */
|
|
static void connect(const char *signal, TQObject *recv, const char *slot);
|
|
|
|
/** does grunt work and calls apply()/reapply() */
|
|
virtual void execute();
|
|
/** does grunt work and calls unapply() */
|
|
virtual void unexecute();
|
|
|
|
protected:
|
|
virtual void apply() = 0;
|
|
virtual void reapply();
|
|
virtual void unapply() = 0;
|
|
|
|
void handleException(DOM::DOMException &);
|
|
void checkAndEmitSignals();
|
|
void addChangedNode(const DOM::Node &);
|
|
|
|
static ManipulationCommandSignalEmitter *mcse();
|
|
|
|
protected:
|
|
DOM::DOMException _exception;
|
|
ChangedNodeSet *changedNodes;
|
|
bool _reapplied:1;
|
|
bool struc_changed:1;
|
|
|
|
private:
|
|
bool allow_signals:1;
|
|
|
|
friend class MultiCommand;
|
|
};
|
|
|
|
/**
|
|
* Combines multiple commands into a single command.
|
|
*
|
|
* Does basically the same as KMacroCommand, but inherits from
|
|
* ManipulationCommand, and supports rollback.
|
|
*/
|
|
class MultiCommand : public ManipulationCommand
|
|
{
|
|
public:
|
|
MultiCommand(const TQString &name);
|
|
virtual ~MultiCommand();
|
|
|
|
/** Adds a new command. Will take ownership of \c cmd */
|
|
void addCommand(ManipulationCommand *cmd);
|
|
|
|
virtual TQString name() const;
|
|
|
|
protected:
|
|
virtual void apply();
|
|
virtual void unapply();
|
|
|
|
void mergeChangedNodesFrom(ManipulationCommand *cmd);
|
|
|
|
protected:
|
|
TQPtrList<ManipulationCommand> cmds;
|
|
TQString _name;
|
|
};
|
|
|
|
/**
|
|
* Adds an attribute to a node.
|
|
* @author Leo Savernik
|
|
*/
|
|
class AddAttributeCommand : public ManipulationCommand
|
|
{
|
|
public:
|
|
AddAttributeCommand(const DOM::Element &element, const TQString &attrName, const TQString &attrValue);
|
|
virtual ~AddAttributeCommand();
|
|
|
|
virtual TQString name() const;
|
|
|
|
protected:
|
|
virtual void apply();
|
|
virtual void unapply();
|
|
|
|
protected:
|
|
DOM::Element _element;
|
|
DOM::DOMString attrName;
|
|
DOM::DOMString attrValue;
|
|
};
|
|
|
|
/**
|
|
* Manipulates an attribute's value.
|
|
* @author Leo Savernik
|
|
*/
|
|
class ChangeAttributeValueCommand : public ManipulationCommand
|
|
{
|
|
public:
|
|
ChangeAttributeValueCommand(const DOM::Element &element, const TQString &attr, const TQString &value);
|
|
virtual ~ChangeAttributeValueCommand();
|
|
|
|
virtual TQString name() const;
|
|
|
|
protected:
|
|
virtual void apply();
|
|
virtual void unapply();
|
|
|
|
protected:
|
|
DOM::Element _element;
|
|
DOM::DOMString _attr;
|
|
DOM::DOMString old_value;
|
|
DOM::DOMString new_value;
|
|
};
|
|
|
|
/**
|
|
* Removes an attribute from a node.
|
|
* @author Leo Savernik
|
|
*/
|
|
class RemoveAttributeCommand : public ManipulationCommand
|
|
{
|
|
public:
|
|
RemoveAttributeCommand(const DOM::Element &element, const TQString &attrName);
|
|
virtual ~RemoveAttributeCommand();
|
|
|
|
virtual TQString name() const;
|
|
|
|
protected:
|
|
virtual void apply();
|
|
virtual void unapply();
|
|
|
|
protected:
|
|
DOM::Element _element;
|
|
DOM::DOMString attrName;
|
|
DOM::DOMString oldAttrValue;
|
|
};
|
|
|
|
/**
|
|
* Renames an attribute.
|
|
* @author Leo Savernik
|
|
*/
|
|
class RenameAttributeCommand : public ManipulationCommand
|
|
{
|
|
public:
|
|
RenameAttributeCommand(const DOM::Element &element, const TQString &attrOldName, const TQString &attrNewName);
|
|
virtual ~RenameAttributeCommand();
|
|
|
|
virtual TQString name() const;
|
|
|
|
protected:
|
|
virtual void apply();
|
|
virtual void unapply();
|
|
|
|
protected:
|
|
DOM::Element _element;
|
|
DOM::DOMString attrOldName;
|
|
DOM::DOMString attrNewName;
|
|
DOM::DOMString attrValue;
|
|
};
|
|
|
|
/**
|
|
* Changes the value of a CData-node.
|
|
* @author Leo Savernik
|
|
*/
|
|
class ChangeCDataCommand : public ManipulationCommand
|
|
{
|
|
public:
|
|
ChangeCDataCommand(const DOM::CharacterData &, const TQString &value);
|
|
virtual ~ChangeCDataCommand();
|
|
|
|
virtual TQString name() const;
|
|
|
|
protected:
|
|
virtual void apply();
|
|
virtual void unapply();
|
|
|
|
protected:
|
|
DOM::CharacterData cdata;
|
|
DOM::DOMString value;
|
|
DOM::DOMString oldValue;
|
|
bool has_newlines;
|
|
};
|
|
|
|
/**
|
|
* Handles insertion and deletion primitives of nodes.
|
|
* @author Leo Savernik
|
|
*/
|
|
class ManipulateNodeCommand : public ManipulationCommand
|
|
{
|
|
public:
|
|
/**
|
|
* Prepare command, where \c node is to be contained in \c parent, just
|
|
* before \c after. If \c after is 0, it is appended at the end.
|
|
*/
|
|
ManipulateNodeCommand(const DOM::Node &node, const DOM::Node &parent, const DOM::Node &after);
|
|
virtual ~ManipulateNodeCommand();
|
|
|
|
protected:
|
|
void insert();
|
|
void remove();
|
|
|
|
protected:
|
|
DOM::Node _node;
|
|
DOM::Node _parent;
|
|
DOM::Node _after;
|
|
};
|
|
|
|
/**
|
|
* Inserts a node into the tree.
|
|
*
|
|
* The handed in node may be a full tree, even a document fragment.
|
|
*
|
|
* @author Leo Savernik
|
|
*/
|
|
class InsertNodeCommand : public ManipulateNodeCommand
|
|
{
|
|
public:
|
|
/**
|
|
* Prepare insertion command, inserting \c node into \c parent, just
|
|
* before \c after. If \c after is 0, append it to the list of children.
|
|
*/
|
|
InsertNodeCommand(const DOM::Node &node, const DOM::Node &parent, const DOM::Node &after);
|
|
virtual ~InsertNodeCommand();
|
|
|
|
virtual TQString name() const;
|
|
|
|
protected:
|
|
virtual void apply();
|
|
virtual void unapply();
|
|
|
|
protected:
|
|
};
|
|
|
|
/**
|
|
* Removes a node from the tree.
|
|
*
|
|
* The handed in node may be a full tree, even a document fragment.
|
|
*
|
|
* @author Leo Savernik
|
|
*/
|
|
class RemoveNodeCommand : public ManipulateNodeCommand
|
|
{
|
|
public:
|
|
/**
|
|
* Prepare insertion command, inserting \c node into \c parent, just
|
|
* before \c after. If \c after is 0, append it to the list of children.
|
|
*/
|
|
RemoveNodeCommand(const DOM::Node &node, const DOM::Node &parent, const DOM::Node &after);
|
|
virtual ~RemoveNodeCommand();
|
|
|
|
virtual TQString name() const;
|
|
|
|
protected:
|
|
virtual void apply();
|
|
virtual void unapply();
|
|
|
|
protected:
|
|
};
|
|
|
|
/**
|
|
* Moves a node.
|
|
* @author Leo Savernik
|
|
*/
|
|
class MoveNodeCommand : public ManipulationCommand
|
|
{
|
|
public:
|
|
/**
|
|
* Move \c node from current position into \c parent, just before \c after.
|
|
* Appends if \c after is 0.
|
|
*/
|
|
MoveNodeCommand(const DOM::Node &node, const DOM::Node &parent, const DOM::Node &after);
|
|
virtual ~MoveNodeCommand();
|
|
|
|
virtual TQString name() const;
|
|
|
|
protected:
|
|
virtual void apply();
|
|
virtual void unapply();
|
|
|
|
protected:
|
|
DOM::Node _node;
|
|
DOM::Node old_parent, old_after;
|
|
DOM::Node new_parent, new_after;
|
|
};
|
|
|
|
} // namespace domtreeviewer
|
|
|
|
#endif // domtreewindow_H
|