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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef PULSEVIEW_PV_VIEW_VIEWITEMOWNER_HPP | |
22 | #define PULSEVIEW_PV_VIEW_VIEWITEMOWNER_HPP | |
23 | ||
24 | #include <memory> | |
25 | #include <vector> | |
26 | ||
27 | #include "viewitemiterator.hpp" | |
28 | ||
29 | namespace pv { | |
30 | ||
31 | class Session; | |
32 | ||
33 | namespace view { | |
34 | ||
35 | class ViewItem; | |
36 | class View; | |
37 | ||
38 | class ViewItemOwner | |
39 | { | |
40 | public: | |
41 | typedef std::vector< std::shared_ptr<ViewItem> > item_list; | |
42 | typedef ViewItemIterator<ViewItemOwner, ViewItem> iterator; | |
43 | typedef ViewItemIterator<const ViewItemOwner, ViewItem> const_iterator; | |
44 | ||
45 | public: | |
46 | /** | |
47 | * Returns a list of row items owned by this object. | |
48 | */ | |
49 | virtual const item_list& child_items() const = 0; | |
50 | ||
51 | /** | |
52 | * Returns a depth-first iterator at the beginning of the child ViewItem | |
53 | * tree. | |
54 | */ | |
55 | iterator begin(); | |
56 | ||
57 | /** | |
58 | * Returns a depth-first iterator at the end of the child ViewItem tree. | |
59 | */ | |
60 | iterator end(); | |
61 | ||
62 | /** | |
63 | * Returns a constant depth-first iterator at the beginning of the | |
64 | * child ViewItem tree. | |
65 | */ | |
66 | const_iterator begin() const; | |
67 | ||
68 | /** | |
69 | * Returns a constant depth-first iterator at the end of the child | |
70 | * ViewItem tree. | |
71 | */ | |
72 | const_iterator end() const; | |
73 | ||
74 | /** | |
75 | * Creates a list of decendant signals filtered by type. | |
76 | */ | |
77 | template<class T> | |
78 | std::vector< std::shared_ptr<T> > list_by_type() { | |
79 | std::vector< std::shared_ptr<T> > items; | |
80 | for (const auto &r : *this) { | |
81 | std::shared_ptr<T> p = std::dynamic_pointer_cast<T>(r); | |
82 | if (p) | |
83 | items.push_back(p); | |
84 | } | |
85 | ||
86 | return items; | |
87 | } | |
88 | ||
89 | protected: | |
90 | item_list items_; | |
91 | }; | |
92 | ||
93 | } // view | |
94 | } // pv | |
95 | ||
96 | #endif // PULSEVIEW_PV_VIEW_VIEWITEMOWNER_HPP |