source: synfigstudio/trunk/fuentes/src/synfigapp/selectionmanager.h @ 481

Last change on this file since 481 was 481, checked in by jrpelegrina, 4 years ago

First release to xenial

File size: 5.4 KB
Line 
1/* === S Y N F I G ========================================================= */
2/*!     \file selectionmanager.h
3**      \brief Template Header
4**
5**      $Id$
6**
7**      \legal
8**      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9**
10**      This package is free software; you can redistribute it and/or
11**      modify it under the terms of the GNU General Public License as
12**      published by the Free Software Foundation; either version 2 of
13**      the License, or (at your option) any later version.
14**
15**      This package is distributed in the hope that it will be useful,
16**      but WITHOUT ANY WARRANTY; without even the implied warranty of
17**      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18**      General Public License for more details.
19**      \endlegal
20*/
21/* ========================================================================= */
22
23/* === S T A R T =========================================================== */
24
25#ifndef __SYNFIG_APP_SELECTIONMANAGER_H
26#define __SYNFIG_APP_SELECTIONMANAGER_H
27
28/* === H E A D E R S ======================================================= */
29
30#include <list>
31#include <set>
32#include <ETL/handle>
33#include <synfig/layer.h>
34#include <synfig/valuenode.h>
35#include "value_desc.h"
36
37/* === M A C R O S ========================================================= */
38
39/* === T Y P E D E F S ===================================================== */
40
41/* === C L A S S E S & S T R U C T S ======================================= */
42
43namespace synfigapp {
44
45class SelectionManager : public etl::shared_object
46{
47public:
48        typedef std::pair<synfig::Layer::Handle,synfig::String> LayerParam;
49        typedef std::list<LayerParam> LayerParamList;
50
51        typedef std::list<synfig::Layer::Handle> LayerList;
52        typedef std::list<ValueDesc> ChildrenList;
53        //typedef std::list<synfig::ValueNode::Handle> ValueNodeList;
54
55        virtual ~SelectionManager() { }
56
57        //! Returns the number of layers selected.
58        virtual int get_selected_layer_count()const=0;
59
60        //! Returns a list of the currently selected layers.
61        virtual LayerList get_selected_layers()const=0;
62
63        //! Returns the first layer selected or an empty handle if none are selected.
64        virtual synfig::Layer::Handle get_selected_layer()const=0;
65
66        //! Sets which layers should be selected
67        virtual void set_selected_layers(const LayerList &layer_list)=0;
68
69        //! Sets which layer should be selected. Empty handle if none.
70        virtual void set_selected_layer(const synfig::Layer::Handle &layer)=0;
71
72        //! Clears the layer selection list
73        virtual void clear_selected_layers()=0;
74
75
76
77        //! Returns the number of children selected.
78        virtual int get_selected_children_count()const=0;
79
80        //! Returns a list of the currently selected children.
81        virtual ChildrenList get_selected_children()const=0;
82
83        //! Returns the first children selected or an empty handle if none are selected.
84        virtual ChildrenList::value_type get_selected_child()const=0;
85
86        //! Sets which children should be selected
87        virtual void set_selected_children(const ChildrenList &children_list)=0;
88
89        //! Sets which children should be selected. Empty handle if none.
90        virtual void set_selected_child(const ChildrenList::value_type &children)=0;
91
92        //! Clears the children selection list
93        virtual void clear_selected_children()=0;
94
95
96        //! Returns the number of layer parameters selected.
97        virtual int get_selected_layer_parameter_count()const=0;
98
99        //! Returns a list of the currently selected layer parameters.
100        virtual LayerParamList get_selected_layer_parameters()const=0;
101
102        //! Returns the first layer parameter selected or an empty handle if none are selected.
103        virtual LayerParam get_selected_layer_parameter()const=0;
104
105        //! Sets which layer parameters should be selected
106        virtual void set_selected_layer_parameters(const LayerParamList &layer_param_list)=0;
107
108        //! Sets which layer parameter should be selected. Empty handle if none.
109        virtual void set_selected_layer_param(const LayerParam &layer_param)=0;
110
111        //! Clears the layer parameter selection list
112        virtual void clear_selected_layer_parameters()=0;
113}; // END of class SelectionManager
114
115//! A place holding selection manager that does nothing
116class NullSelectionManager : public SelectionManager
117{
118public:
119        int get_selected_layer_count()const { return 0; }
120        LayerList get_selected_layers()const { return LayerList(); }
121        synfig::Layer::Handle get_selected_layer()const { return 0; }
122        void set_selected_layers(const LayerList &/*layer_list*/) { return; }
123        void set_selected_layer(const synfig::Layer::Handle &/*layer*/) { return; }
124        void clear_selected_layers() { return; }
125
126
127        int get_selected_children_count()const { return 0; }
128        ChildrenList get_selected_children()const { return ChildrenList(); }
129        ChildrenList::value_type get_selected_child()const { return ChildrenList::value_type(); }
130        void set_selected_children(const ChildrenList &/*children_list*/) { return; }
131        void set_selected_child(const ChildrenList::value_type &/*child*/) { return; }
132        void clear_selected_children() { return; }
133
134        int get_selected_layer_parameter_count()const { return 0; }
135        LayerParamList get_selected_layer_parameters()const { return LayerParamList(); }
136        LayerParam get_selected_layer_parameter()const { return LayerParam(); }
137        void set_selected_layer_parameters(const LayerParamList &/*layer_param_list*/) { return; }
138        void set_selected_layer_param(const LayerParam &/*layer_param*/) { return; }
139        void clear_selected_layer_parameters() { return; }
140
141}; // END of class NullSelectionManager
142
143}; // END of namespace synfigapp
144
145/* === E N D =============================================================== */
146
147#endif
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