#include <kis_image_layer_remove_command.h>

Inheritance diagram for KisImageLayerRemoveCommand:

Public Member Functions
	KisImageLayerRemoveCommand (KisImageWSP image, KisNodeSP node, bool doRedoUpdates=true, bool doUndoUpdates=true)

void	redo () override

void	undo () override

	~KisImageLayerRemoveCommand () override

Public Member Functions inherited from KisImageCommand
	KisImageCommand (const KUndo2MagicString &name, KisImageWSP image, KUndo2Command *parent=0)

	~KisImageCommand () override

Public Member Functions inherited from KUndo2Command
QString	actionText () const

virtual bool	canAnnihilateWith (const KUndo2Command *other) const

const KUndo2Command *	child (int index) const

int	childCount () const

virtual QTime	endTime () const

KUndo2CommandExtraData *	extraData () const

bool	hasParent () const

virtual int	id () const

virtual bool	isMerged () const

	KUndo2Command (const KUndo2MagicString &text, KUndo2Command *parent=0)

	KUndo2Command (KUndo2Command *parent=0)

virtual QVector< KUndo2Command * >	mergeCommandsVector () const

virtual bool	mergeWith (const KUndo2Command *other)

virtual void	redoMergedCommands ()

void	setEndTime ()

virtual void	setEndTime (const QTime &time)

void	setExtraData (KUndo2CommandExtraData *data)

void	setText (const KUndo2MagicString &text)

void	setTime ()

virtual void	setTime (const QTime &time)

virtual void	setTimedID (int timedID)

KUndo2MagicString	text () const

virtual QTime	time () const

virtual int	timedId () const

virtual bool	timedMergeWith (KUndo2Command *other)

virtual void	undoMergedCommands ()

virtual	~KUndo2Command ()

Private Member Functions
void	addSubtree (KisImageWSP image, KisNodeSP node)

Private Attributes
bool	m_doRedoUpdates

bool	m_doUndoUpdates

KisNodeSP	m_node

Additional Inherited Members
Protected Attributes inherited from KisImageCommand
KisImageWSP	m_image

Detailed Description

Definition at line 15 of file kis_image_layer_remove_command.h.

Constructor & Destructor Documentation

◆ KisImageLayerRemoveCommand()

KisImageLayerRemoveCommand::KisImageLayerRemoveCommand	(	KisImageWSP	image,
		KisNodeSP	node,
		bool	doRedoUpdates = true,
		bool	doUndoUpdates = true )

Definition at line 14 of file kis_image_layer_remove_command.cpp.

    : KisImageCommand(kundo2_i18n("Remove Layer"), image),
      m_node(node),
      m_doRedoUpdates(doRedoUpdates),
      m_doUndoUpdates(doUndoUpdates)
{
    addSubtree(image, node);
}

References addSubtree().

◆ ~KisImageLayerRemoveCommand()

KisImageLayerRemoveCommand::~KisImageLayerRemoveCommand ( )

override

Definition at line 26 of file kis_image_layer_remove_command.cpp.

27{

28}

Member Function Documentation

◆ addSubtree()

void KisImageLayerRemoveCommand::addSubtree	(	KisImageWSP	image,
		KisNodeSP	node )

private

Definition at line 30 of file kis_image_layer_remove_command.cpp.

{
    // Simple tail-recursion to remove nodes in bottom-up way
    //
    // Alert: the nodes must be traversed in last-to-first order,
    //        because each KisImageLayerRemoveCommandImpl stores a
    //        pointer to the previous node of the stack
 
    KisNodeSP child = node->lastChild();
    while (child) {
        addSubtree(image, child);
        child = child->prevSibling();
    }
 
    new KisImageLayerRemoveCommandImpl(image, node, this);
}

References addSubtree(), KUndo2Command::child(), and KisNode::lastChild().

◆ redo()

void KisImageLayerRemoveCommand::redo ( )

overridevirtual

Applies a change to the document. This function must be implemented in the derived class. Calling KUndo2QStack::push(), KUndo2QStack::undo() or KUndo2QStack::redo() from this function leads to undefined behavior.

The default implementation calls redo() on all child commands.

See also: undo()

Reimplemented from KUndo2Command.

Definition at line 47 of file kis_image_layer_remove_command.cpp.

{
    KisImageSP image = m_image.toStrongRef();
    if (!image) {
        return;
    }
    UpdateTarget target(image, m_node, image->bounds());
    KisImageCommand::redo();
 
    if (m_doRedoUpdates) {
        target.update();
    }
}

References KisImage::bounds(), m_doRedoUpdates, KisImageCommand::m_image, m_node, KUndo2Command::redo(), target(), and KisWeakSharedPtr< T >::toStrongRef().

◆ undo()

void KisImageLayerRemoveCommand::undo ( )

overridevirtual

Reverts a change to the document. After undo() is called, the state of the document should be the same as before redo() was called. This function must be implemented in the derived class. Calling KUndo2QStack::push(), KUndo2QStack::undo() or KUndo2QStack::redo() from this function leads to undefined behavior.

The default implementation calls undo() on all child commands in reverse order.

See also: redo()

We are removing the group recursively, so the updates should come recursively as well

Reimplemented from KUndo2Command.

Definition at line 61 of file kis_image_layer_remove_command.cpp.

{
    KisImageCommand::undo();
 
    if (m_doUndoUpdates) {
        KisImageSP image = m_image.toStrongRef();
        if (!image) {
            return;
        }
        image->refreshGraphAsync(m_node, image->bounds());
    }
}