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1 /*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU Lesser General Public
4 * License as published by the Free Software Foundation; either
5 * version 2 of the License, or (at your option) version 3.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Lesser General Public License for more details.
11 *
12 * You should have received a copy of the GNU Lesser General Public
13 * License along with the program; if not, see <http://www.gnu.org/licenses/>
14 *
15 *
16 * Authors:
17 * Chris Lahey <clahey@ximian.com>
18 *
19 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
20 *
21 */
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26
27 #include <stdlib.h>
28 #include <string.h>
29
30 #include "e-sorter.h"
31 #include "e-util.h"
32
33 #define d(x)
34
35 #define PARENT_TYPE G_TYPE_OBJECT
36
37 G_DEFINE_TYPE (
38 ESorter,
39 e_sorter,
40 G_TYPE_OBJECT)
41
42 static gint es_model_to_sorted (ESorter *es, gint row);
43 static gint es_sorted_to_model (ESorter *es, gint row);
44 static void es_get_model_to_sorted_array (ESorter *es, gint **array, gint *count);
45 static void es_get_sorted_to_model_array (ESorter *es, gint **array, gint *count);
46 static gboolean es_needs_sorting (ESorter *es);
47
48 static void
49 e_sorter_class_init (ESorterClass *class)
50 {
51 class->model_to_sorted = es_model_to_sorted;
52 class->sorted_to_model = es_sorted_to_model;
53 class->get_model_to_sorted_array = es_get_model_to_sorted_array;
54 class->get_sorted_to_model_array = es_get_sorted_to_model_array;
55 class->needs_sorting = es_needs_sorting;
56 }
57
58 static void
59 e_sorter_init (ESorter *es)
60 {
61 }
62
63 ESorter *
64 e_sorter_new (void)
65 {
66 ESorter *es = g_object_new (E_SORTER_TYPE, NULL);
67
68 return es;
69 }
70
71 static gint
72 es_model_to_sorted (ESorter *es,
73 gint row)
74 {
75 return row;
76 }
77
78 static gint
79 es_sorted_to_model (ESorter *es,
80 gint row)
81 {
82 return row;
83 }
84
85 static void
86 es_get_model_to_sorted_array (ESorter *es,
87 gint **array,
88 gint *count)
89 {
90 }
91
92 static void
93 es_get_sorted_to_model_array (ESorter *es,
94 gint **array,
95 gint *count)
96 {
97 }
98
99 static gboolean
100 es_needs_sorting (ESorter *es)
101 {
102 return FALSE;
103 }
104
105 gint
106 e_sorter_model_to_sorted (ESorter *es,
107 gint row)
108 {
109 g_return_val_if_fail (es != NULL, -1);
110 g_return_val_if_fail (row >= 0, -1);
111
112 if (E_SORTER_GET_CLASS (es)->model_to_sorted)
113 return E_SORTER_GET_CLASS (es)->model_to_sorted (es, row);
114 else
115 return -1;
116 }
117
118 gint
119 e_sorter_sorted_to_model (ESorter *es,
120 gint row)
121 {
122 g_return_val_if_fail (es != NULL, -1);
123 g_return_val_if_fail (row >= 0, -1);
124
125 if (E_SORTER_GET_CLASS (es)->sorted_to_model)
126 return E_SORTER_GET_CLASS (es)->sorted_to_model (es, row);
127 else
128 return -1;
129 }
130
131 void
132 e_sorter_get_model_to_sorted_array (ESorter *es,
133 gint **array,
134 gint *count)
135 {
136 g_return_if_fail (es != NULL);
137
138 if (E_SORTER_GET_CLASS (es)->get_model_to_sorted_array)
139 E_SORTER_GET_CLASS (es)->get_model_to_sorted_array (es, array, count);
140 }
141
142 void
143 e_sorter_get_sorted_to_model_array (ESorter *es,
144 gint **array,
145 gint *count)
146 {
147 g_return_if_fail (es != NULL);
148
149 if (E_SORTER_GET_CLASS (es)->get_sorted_to_model_array)
150 E_SORTER_GET_CLASS (es)->get_sorted_to_model_array (es, array, count);
151 }
152
153 gboolean
154 e_sorter_needs_sorting (ESorter *es)
155 {
156 g_return_val_if_fail (es != NULL, FALSE);
157
158 if (E_SORTER_GET_CLASS (es)->needs_sorting)
159 return E_SORTER_GET_CLASS (es)->needs_sorting (es);
160 else
161 return FALSE;
162 }