--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file selectionmanager.h
+** \brief Template Header
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package 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
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_APP_SELECTIONMANAGER_H
+#define __SYNFIG_APP_SELECTIONMANAGER_H
+
+/* === H E A D E R S ======================================================= */
+
+#include <list>
+#include <set>
+#include <ETL/handle>
+#include <synfig/layer.h>
+#include <synfig/valuenode.h>
+#include "value_desc.h"
+
+/* === M A C R O S ========================================================= */
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace synfigapp {
+
+class SelectionManager : public etl::shared_object
+{
+public:
+ typedef std::pair<synfig::Layer::Handle,synfig::String> LayerParam;
+ typedef std::list<LayerParam> LayerParamList;
+
+ typedef std::list<synfig::Layer::Handle> LayerList;
+ typedef std::list<ValueDesc> ChildrenList;
+ //typedef std::list<synfig::ValueNode::Handle> ValueNodeList;
+
+ virtual ~SelectionManager() { }
+
+ //! Returns the number of layers selected.
+ virtual int get_selected_layer_count()const=0;
+
+ //! Returns a list of the currently selected layers.
+ virtual LayerList get_selected_layers()const=0;
+
+ //! Returns the first layer selected or an empty handle if none are selected.
+ virtual synfig::Layer::Handle get_selected_layer()const=0;
+
+ //! Sets which layers should be selected
+ virtual void set_selected_layers(const LayerList &layer_list)=0;
+
+ //! Sets which layer should be selected. Empty handle if none.
+ virtual void set_selected_layer(const synfig::Layer::Handle &layer)=0;
+
+ //! Clears the layer selection list
+ virtual void clear_selected_layers()=0;
+
+
+
+ //! Returns the number of children selected.
+ virtual int get_selected_children_count()const=0;
+
+ //! Returns a list of the currently selected children.
+ virtual ChildrenList get_selected_children()const=0;
+
+ //! Returns the first children selected or an empty handle if none are selected.
+ virtual ChildrenList::value_type get_selected_child()const=0;
+
+ //! Sets which children should be selected
+ virtual void set_selected_children(const ChildrenList &children_list)=0;
+
+ //! Sets which children should be selected. Empty handle if none.
+ virtual void set_selected_child(const ChildrenList::value_type &children)=0;
+
+ //! Clears the children selection list
+ virtual void clear_selected_children()=0;
+
+
+ //! Returns the number of layer parameters selected.
+ virtual int get_selected_layer_parameter_count()const=0;
+
+ //! Returns a list of the currently selected layer parameters.
+ virtual LayerParamList get_selected_layer_parameters()const=0;
+
+ //! Returns the first layer parameter selected or an empty handle if none are selected.
+ virtual LayerParam get_selected_layer_parameter()const=0;
+
+ //! Sets which layer parameters should be selected
+ virtual void set_selected_layer_parameters(const LayerParamList &layer_param_list)=0;
+
+ //! Sets which layer parameter should be selected. Empty handle if none.
+ virtual void set_selected_layer_param(const LayerParam &layer_param)=0;
+
+ //! Clears the layer parameter selection list
+ virtual void clear_selected_layer_parameters()=0;
+}; // END of class SelectionManager
+
+//! A place holding selection manager that does nothing
+class NullSelectionManager : public SelectionManager
+{
+public:
+ int get_selected_layer_count()const { return 0; }
+ LayerList get_selected_layers()const { return LayerList(); }
+ synfig::Layer::Handle get_selected_layer()const { return 0; }
+ void set_selected_layers(const LayerList &/*layer_list*/) { return; }
+ void set_selected_layer(const synfig::Layer::Handle &/*layer*/) { return; }
+ void clear_selected_layers() { return; }
+
+
+ int get_selected_children_count()const { return 0; }
+ ChildrenList get_selected_children()const { return ChildrenList(); }
+ ChildrenList::value_type get_selected_child()const { return ChildrenList::value_type(); }
+ void set_selected_children(const ChildrenList &/*children_list*/) { return; }
+ void set_selected_child(const ChildrenList::value_type &/*child*/) { return; }
+ void clear_selected_children() { return; }
+
+ int get_selected_layer_parameter_count()const { return 0; }
+ LayerParamList get_selected_layer_parameters()const { return LayerParamList(); }
+ LayerParam get_selected_layer_parameter()const { return LayerParam(); }
+ void set_selected_layer_parameters(const LayerParamList &/*layer_param_list*/) { return; }
+ void set_selected_layer_param(const LayerParam &/*layer_param*/) { return; }
+ void clear_selected_layer_parameters() { return; }
+
+}; // END of class NullSelectionManager
+
+}; // END of namespace synfigapp
+
+/* === E N D =============================================================== */
+
+#endif
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