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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMOWNER_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMOWNER_HPP | |
22 | ||
23 | #include <memory> | |
24 | #include <vector> | |
25 | ||
26 | #include "viewitemiterator.hpp" | |
27 | ||
28 | using std::dynamic_pointer_cast; | |
29 | using std::shared_ptr; | |
30 | using std::vector; | |
31 | ||
32 | namespace pv { | |
33 | ||
34 | class Session; | |
35 | ||
36 | namespace views { | |
37 | namespace trace { | |
38 | ||
39 | class ViewItem; | |
40 | class View; | |
41 | ||
42 | class ViewItemOwner | |
43 | { | |
44 | public: | |
45 | typedef vector< shared_ptr<ViewItem> > item_list; | |
46 | typedef ViewItemIterator<ViewItemOwner, ViewItem> iterator; | |
47 | typedef ViewItemIterator<const ViewItemOwner, ViewItem> const_iterator; | |
48 | ||
49 | public: | |
50 | /** | |
51 | * Returns a list of row items owned by this object. | |
52 | */ | |
53 | virtual const item_list& child_items() const; | |
54 | ||
55 | /** | |
56 | * Returns a depth-first iterator at the beginning of the child ViewItem | |
57 | * tree. | |
58 | */ | |
59 | iterator begin(); | |
60 | ||
61 | /** | |
62 | * Returns a depth-first iterator at the end of the child ViewItem tree. | |
63 | */ | |
64 | iterator end(); | |
65 | ||
66 | /** | |
67 | * Returns a constant depth-first iterator at the beginning of the | |
68 | * child ViewItem tree. | |
69 | */ | |
70 | const_iterator begin() const; | |
71 | ||
72 | /** | |
73 | * Returns a constant depth-first iterator at the end of the child | |
74 | * ViewItem tree. | |
75 | */ | |
76 | const_iterator end() const; | |
77 | ||
78 | /** | |
79 | * Creates a list of descendant signals filtered by type. | |
80 | */ | |
81 | template<class T> | |
82 | vector< shared_ptr<T> > list_by_type() { | |
83 | vector< shared_ptr<T> > items; | |
84 | for (const auto &r : *this) { | |
85 | shared_ptr<T> p = dynamic_pointer_cast<T>(r); | |
86 | if (p) | |
87 | items.push_back(p); | |
88 | } | |
89 | ||
90 | return items; | |
91 | } | |
92 | ||
93 | protected: | |
94 | item_list items_; | |
95 | }; | |
96 | ||
97 | } // namespace trace | |
98 | } // namespace views | |
99 | } // namespace pv | |
100 | ||
101 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMOWNER_HPP |