]>
Commit | Line | Data |
---|---|---|
92806042 GB |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2008, Guilhem Bonnefille <guilhem.bonnefille@gmail.com> | |
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #ifdef HAVE_CONFIG_H | |
23 | #include "config.h" | |
24 | #endif | |
25 | ||
26 | #include "vikwebtoolcenter.h" | |
27 | ||
28 | #include <string.h> | |
29 | ||
30 | #include <glib.h> | |
31 | #include <glib/gi18n.h> | |
32 | ||
33 | #include "util.h" | |
34 | #include "globals.h" | |
e1dde2a6 | 35 | #include "maputils.h" |
92806042 | 36 | |
92806042 GB |
37 | static GObjectClass *parent_class; |
38 | ||
39 | static void webtool_center_finalize ( GObject *gob ); | |
40 | ||
41 | static guint8 webtool_center_mpp_to_zoom ( VikWebtool *self, gdouble mpp ); | |
42 | static gchar *webtool_center_get_url ( VikWebtool *vw, VikWindow *vwindow ); | |
027ff770 | 43 | static gchar *webtool_center_get_url_at_position ( VikWebtool *vw, VikWindow *vwindow, VikCoord *vc ); |
92806042 GB |
44 | |
45 | typedef struct _VikWebtoolCenterPrivate VikWebtoolCenterPrivate; | |
46 | ||
47 | struct _VikWebtoolCenterPrivate | |
48 | { | |
49 | gchar *url; | |
50 | }; | |
51 | ||
52 | #define WEBTOOL_CENTER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \ | |
53 | VIK_WEBTOOL_CENTER_TYPE, \ | |
54 | VikWebtoolCenterPrivate)) | |
55 | ||
15044d72 | 56 | G_DEFINE_TYPE (VikWebtoolCenter, vik_webtool_center, VIK_WEBTOOL_TYPE) |
92806042 GB |
57 | |
58 | enum | |
59 | { | |
60 | PROP_0, | |
61 | ||
62 | PROP_URL, | |
63 | }; | |
64 | ||
65 | static void | |
66 | webtool_center_set_property (GObject *object, | |
67 | guint property_id, | |
68 | const GValue *value, | |
69 | GParamSpec *pspec) | |
70 | { | |
71 | VikWebtoolCenter *self = VIK_WEBTOOL_CENTER (object); | |
72 | VikWebtoolCenterPrivate *priv = WEBTOOL_CENTER_GET_PRIVATE (self); | |
73 | ||
74 | switch (property_id) | |
75 | { | |
76 | case PROP_URL: | |
77 | g_free (priv->url); | |
78 | priv->url = g_value_dup_string (value); | |
79 | g_debug ("VikWebtoolCenter.url: %s", priv->url); | |
80 | break; | |
81 | ||
82 | default: | |
83 | /* We don't have any other property... */ | |
84 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
85 | break; | |
86 | } | |
87 | } | |
88 | ||
89 | static void | |
90 | webtool_center_get_property (GObject *object, | |
91 | guint property_id, | |
92 | GValue *value, | |
93 | GParamSpec *pspec) | |
94 | { | |
95 | VikWebtoolCenter *self = VIK_WEBTOOL_CENTER (object); | |
96 | VikWebtoolCenterPrivate *priv = WEBTOOL_CENTER_GET_PRIVATE (self); | |
97 | ||
98 | switch (property_id) | |
99 | { | |
100 | case PROP_URL: | |
101 | g_value_set_string (value, priv->url); | |
102 | break; | |
103 | ||
104 | default: | |
105 | /* We don't have any other property... */ | |
106 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
107 | break; | |
108 | } | |
109 | } | |
110 | ||
15044d72 GB |
111 | static void |
112 | vik_webtool_center_class_init ( VikWebtoolCenterClass *klass ) | |
92806042 GB |
113 | { |
114 | GObjectClass *gobject_class; | |
115 | VikWebtoolClass *base_class; | |
116 | GParamSpec *pspec; | |
117 | ||
118 | gobject_class = G_OBJECT_CLASS (klass); | |
119 | ||
120 | gobject_class->finalize = webtool_center_finalize; | |
121 | gobject_class->set_property = webtool_center_set_property; | |
122 | gobject_class->get_property = webtool_center_get_property; | |
123 | ||
124 | pspec = g_param_spec_string ("url", | |
125 | "Template Url", | |
126 | "Set the template url", | |
127 | VIKING_URL /* default value */, | |
128 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
129 | g_object_class_install_property (gobject_class, | |
130 | PROP_URL, | |
131 | pspec); | |
132 | ||
133 | parent_class = g_type_class_peek_parent (klass); | |
134 | ||
135 | base_class = VIK_WEBTOOL_CLASS ( klass ); | |
136 | base_class->get_url = webtool_center_get_url; | |
027ff770 | 137 | base_class->get_url_at_position = webtool_center_get_url_at_position; |
92806042 GB |
138 | |
139 | klass->mpp_to_zoom = webtool_center_mpp_to_zoom; | |
140 | ||
141 | g_type_class_add_private (klass, sizeof (VikWebtoolCenterPrivate)); | |
142 | } | |
143 | ||
144 | VikWebtoolCenter *vik_webtool_center_new () | |
145 | { | |
146 | return VIK_WEBTOOL_CENTER ( g_object_new ( VIK_WEBTOOL_CENTER_TYPE, NULL ) ); | |
147 | } | |
148 | ||
149 | VikWebtoolCenter *vik_webtool_center_new_with_members ( const gchar *label, const gchar *url ) | |
150 | { | |
151 | VikWebtoolCenter *result = VIK_WEBTOOL_CENTER ( g_object_new ( VIK_WEBTOOL_CENTER_TYPE, | |
152 | "label", label, | |
153 | "url", url, | |
154 | NULL ) ); | |
155 | ||
156 | return result; | |
157 | } | |
158 | ||
15044d72 GB |
159 | static void |
160 | vik_webtool_center_init ( VikWebtoolCenter *self ) | |
92806042 GB |
161 | { |
162 | VikWebtoolCenterPrivate *priv = WEBTOOL_CENTER_GET_PRIVATE (self); | |
163 | priv->url = NULL; | |
164 | } | |
165 | ||
166 | static void webtool_center_finalize ( GObject *gob ) | |
167 | { | |
168 | VikWebtoolCenterPrivate *priv = WEBTOOL_CENTER_GET_PRIVATE ( gob ); | |
169 | g_free ( priv->url ); priv->url = NULL; | |
170 | G_OBJECT_CLASS(parent_class)->finalize(gob); | |
171 | } | |
172 | ||
92806042 | 173 | static guint8 webtool_center_mpp_to_zoom ( VikWebtool *self, gdouble mpp ) { |
e1dde2a6 | 174 | return map_utils_mpp_to_zoom_level ( mpp ); |
92806042 GB |
175 | } |
176 | ||
027ff770 | 177 | static gchar *webtool_center_get_url_at_position ( VikWebtool *self, VikWindow *vwindow, VikCoord *vc ) |
92806042 GB |
178 | { |
179 | VikWebtoolCenterPrivate *priv = NULL; | |
180 | VikViewport *viewport = NULL; | |
e1dde2a6 | 181 | guint8 zoom = 17; |
92806042 GB |
182 | struct LatLon ll; |
183 | gchar strlat[G_ASCII_DTOSTR_BUF_SIZE], strlon[G_ASCII_DTOSTR_BUF_SIZE]; | |
184 | ||
185 | priv = WEBTOOL_CENTER_GET_PRIVATE (self); | |
186 | viewport = vik_window_viewport ( vwindow ); | |
92806042 | 187 | // Coords |
027ff770 RN |
188 | // Use the provided position otherwise use center of the viewport |
189 | if ( vc ) | |
190 | vik_coord_to_latlon ( vc, &ll ); | |
191 | else { | |
192 | const VikCoord *coord = NULL; | |
193 | coord = vik_viewport_get_center ( viewport ); | |
194 | vik_coord_to_latlon ( coord, &ll ); | |
195 | } | |
92806042 | 196 | |
4b4b5bc4 | 197 | // zoom - ideally x & y factors need to be the same otherwise use the default |
1d76b08b RN |
198 | if ( vik_viewport_get_xmpp ( viewport ) == vik_viewport_get_ympp ( viewport ) ) |
199 | zoom = vik_webtool_center_mpp_to_zoom ( self, vik_viewport_get_zoom ( viewport ) ); | |
92806042 GB |
200 | |
201 | // Cannot simply use g_strdup_printf and gdouble due to locale. | |
202 | // As we compute an URL, we have to think in C locale. | |
203 | g_ascii_dtostr (strlat, G_ASCII_DTOSTR_BUF_SIZE, ll.lat); | |
204 | g_ascii_dtostr (strlon, G_ASCII_DTOSTR_BUF_SIZE, ll.lon); | |
205 | ||
e1dde2a6 | 206 | return g_strdup_printf ( priv->url, strlat, strlon, zoom ); |
92806042 GB |
207 | } |
208 | ||
027ff770 RN |
209 | static gchar *webtool_center_get_url ( VikWebtool *self, VikWindow *vwindow ) |
210 | { | |
211 | return webtool_center_get_url_at_position ( self, vwindow, NULL ); | |
212 | } | |
213 | ||
92806042 GB |
214 | guint8 vik_webtool_center_mpp_to_zoom (VikWebtool *self, gdouble mpp) |
215 | { | |
216 | return VIK_WEBTOOL_CENTER_GET_CLASS( self )->mpp_to_zoom( self, mpp ); | |
217 | } |