[andy/viking.git] / src / vikwebtoolformat.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2014, Rob Norris <rw_norris@hotmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Format Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Format Public License for more details.
 *
 * You should have received a copy of the GNU Format Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "vikwebtoolformat.h"

#include <string.h>
#include <glib.h>

#include "util.h"
#include "globals.h"
#include "maputils.h"

static GObjectClass *parent_class;

static void webtool_format_finalize ( GObject *gob );

static guint8 webtool_format_mpp_to_zoom ( VikWebtool *self, gdouble mpp );
static gchar *webtool_format_get_url ( VikWebtool *vw, VikWindow *vwindow );

typedef struct _VikWebtoolFormatPrivate VikWebtoolFormatPrivate;

struct _VikWebtoolFormatPrivate
{
	gchar *url;
	gchar *url_format_code;
};

#define WEBTOOL_FORMAT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
                                       VIK_WEBTOOL_FORMAT_TYPE,          \
                                       VikWebtoolFormatPrivate))

G_DEFINE_TYPE (VikWebtoolFormat, vik_webtool_format, VIK_WEBTOOL_TYPE)

enum
{
	PROP_0,

	PROP_URL,
	PROP_URL_FORMAT_CODE,
};

static void
webtool_format_set_property (GObject      *object,
                             guint         property_id,
                             const GValue *value,
                             GParamSpec   *pspec)
{
	VikWebtoolFormat *self = VIK_WEBTOOL_FORMAT (object);
	VikWebtoolFormatPrivate *priv = WEBTOOL_FORMAT_GET_PRIVATE (self);

	switch (property_id) {
	case PROP_URL:
		g_free (priv->url);
		priv->url = g_value_dup_string (value);
		g_debug ("VikWebtoolFormat.url: %s", priv->url);
		break;
	case PROP_URL_FORMAT_CODE:
		g_free ( priv->url_format_code );
		priv->url_format_code = g_value_dup_string ( value );
		g_debug ( "VikWebtoolFormat.url_format_code: %s", priv->url_format_code );
		break;

	default:
		/* We don't have any other property... */
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
		break;
	}
}

static void
webtool_format_get_property (GObject    *object,
                             guint       property_id,
                             GValue     *value,
                             GParamSpec *pspec)
{
	VikWebtoolFormat *self = VIK_WEBTOOL_FORMAT (object);
	VikWebtoolFormatPrivate *priv = WEBTOOL_FORMAT_GET_PRIVATE (self);

	switch (property_id) {
	case PROP_URL:
		g_value_set_string (value, priv->url);
		break;

	case PROP_URL_FORMAT_CODE:
		g_value_set_string ( value, priv->url_format_code );
		break;

	default:
		/* We don't have any other property... */
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
		break;
	}
}

static void
vik_webtool_format_class_init ( VikWebtoolFormatClass *klass )
{
	GObjectClass *gobject_class;
	VikWebtoolClass *base_class;
	GParamSpec *pspec;

	gobject_class = G_OBJECT_CLASS (klass);

	gobject_class->finalize = webtool_format_finalize;
	gobject_class->set_property = webtool_format_set_property;
	gobject_class->get_property = webtool_format_get_property;

	pspec = g_param_spec_string ("url",
	                             "Template Url",
	                             "Set the template url",
	                             VIKING_URL /* default value */,
	                             G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
	g_object_class_install_property (gobject_class,
	                                 PROP_URL,
	                                 pspec);

	pspec = g_param_spec_string ("url_format_code",
	                             "Template URL Format Code",
	                             "Set the template URL format code",
	                             "AOZ", // default value Lat, Long, Zoom
	                             G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
	g_object_class_install_property (gobject_class,
	                                 PROP_URL_FORMAT_CODE,
	                                 pspec);

	parent_class = g_type_class_peek_parent (klass);

	base_class = VIK_WEBTOOL_CLASS ( klass );
	base_class->get_url = webtool_format_get_url;

	klass->mpp_to_zoom = webtool_format_mpp_to_zoom;

	g_type_class_add_private (klass, sizeof (VikWebtoolFormatPrivate));
}

VikWebtoolFormat *vik_webtool_format_new ()
{
	return VIK_WEBTOOL_FORMAT ( g_object_new ( VIK_WEBTOOL_FORMAT_TYPE, NULL ) );
}

VikWebtoolFormat *vik_webtool_format_new_with_members ( const gchar *label,
                                                        const gchar *url,
                                                        const gchar *url_format_code )
{
	VikWebtoolFormat *result = VIK_WEBTOOL_FORMAT ( g_object_new ( VIK_WEBTOOL_FORMAT_TYPE,
	                                                               "label", label,
	                                                               "url", url,
	                                                               "url_format_code", url_format_code,
	                                                               NULL ) );

	return result;
}

static void
vik_webtool_format_init ( VikWebtoolFormat *self )
{
	VikWebtoolFormatPrivate *priv = WEBTOOL_FORMAT_GET_PRIVATE (self);
	priv->url = NULL;
	priv->url_format_code = NULL;
}

static void webtool_format_finalize ( GObject *gob )
{
	VikWebtoolFormatPrivate *priv = WEBTOOL_FORMAT_GET_PRIVATE ( gob );
	g_free ( priv->url ); priv->url = NULL;
	g_free ( priv->url_format_code ); priv->url_format_code = NULL;
	G_OBJECT_CLASS(parent_class)->finalize(gob);
}

static guint8 webtool_format_mpp_to_zoom ( VikWebtool *self, gdouble mpp ) {
	return map_utils_mpp_to_zoom_level ( mpp );
}

#define MAX_NUMBER_CODES 7

static gchar *webtool_format_get_url ( VikWebtool *self, VikWindow *vw )
{
	VikWebtoolFormatPrivate *priv = NULL;
	priv = WEBTOOL_FORMAT_GET_PRIVATE (self);

	VikViewport *viewport = vik_window_viewport ( vw );

	// Get top left and bottom right lat/lon pairs from the viewport
	gdouble min_lat, max_lat, min_lon, max_lon;
	gchar sminlon[G_ASCII_DTOSTR_BUF_SIZE];
	gchar smaxlon[G_ASCII_DTOSTR_BUF_SIZE];
	gchar sminlat[G_ASCII_DTOSTR_BUF_SIZE];
	gchar smaxlat[G_ASCII_DTOSTR_BUF_SIZE];
	vik_viewport_get_min_max_lat_lon ( viewport, &min_lat, &max_lat, &min_lon, &max_lon );

	// Cannot simply use g_strdup_printf and gdouble due to locale.
	// As we compute an URL, we have to think in C locale.
	g_ascii_dtostr (sminlon, G_ASCII_DTOSTR_BUF_SIZE, min_lon);
	g_ascii_dtostr (smaxlon, G_ASCII_DTOSTR_BUF_SIZE, max_lon);
	g_ascii_dtostr (sminlat, G_ASCII_DTOSTR_BUF_SIZE, min_lat);
	g_ascii_dtostr (smaxlat, G_ASCII_DTOSTR_BUF_SIZE, max_lat);

	// Center values
	const VikCoord *coord = vik_viewport_get_center ( viewport );
	struct LatLon ll;
	vik_coord_to_latlon ( coord, &ll );

	gchar scenterlat[G_ASCII_DTOSTR_BUF_SIZE];
	gchar scenterlon[G_ASCII_DTOSTR_BUF_SIZE];
	g_ascii_dtostr (scenterlat, G_ASCII_DTOSTR_BUF_SIZE, ll.lat);
	g_ascii_dtostr (scenterlon, G_ASCII_DTOSTR_BUF_SIZE, ll.lon);

	guint8 zoom = 17; // A zoomed in default
	// zoom - ideally x & y factors need to be the same otherwise use the default
	if ( vik_viewport_get_xmpp ( viewport ) == vik_viewport_get_ympp ( viewport ) )
		zoom = map_utils_mpp_to_zoom_level ( vik_viewport_get_zoom ( viewport ) );

	gchar szoom[G_ASCII_DTOSTR_BUF_SIZE];
	g_snprintf ( szoom, G_ASCII_DTOSTR_BUF_SIZE, "%d", zoom );

	gint len = 0;
	if ( priv->url_format_code )
		len = strlen ( priv->url_format_code );
	if ( len > MAX_NUMBER_CODES )
		len = MAX_NUMBER_CODES;

	gchar* values[MAX_NUMBER_CODES];
	int i;
	for ( i = 0; i < MAX_NUMBER_CODES; i++ ) {
		values[i] = '\0';
	}

	for ( i = 0; i < len; i++ ) {
		switch ( g_ascii_toupper ( priv->url_format_code[i] ) ) {
		case 'L': values[i] = g_strdup ( sminlon ); break;
		case 'R': values[i] = g_strdup ( smaxlon ); break;
		case 'B': values[i] = g_strdup ( sminlat ); break;
		case 'T': values[i] = g_strdup ( smaxlat ); break;
		case 'A': values[i] = g_strdup ( scenterlat ); break;
		case 'O': values[i] = g_strdup ( scenterlon ); break;
		case 'Z': values[i] = g_strdup ( szoom ); break;
		default: break;
		}
	}

	gchar *url = g_strdup_printf ( priv->url, values[0], values[1], values[2], values[3], values[4], values[5], values[6] );

	for ( i = 0; i < MAX_NUMBER_CODES; i++ ) {
		if ( values[i] != '\0' )
			g_free ( values[i] );
	}

	g_debug ("%s %s", __FUNCTION__, url);
	return url;
}

guint8 vik_webtool_format_mpp_to_zoom (VikWebtool *self, gdouble mpp)
{
	return VIK_WEBTOOL_FORMAT_GET_CLASS( self )->mpp_to_zoom( self, mpp );
}
Commit	Line	Data
a3dcc49e RN	1	/* -- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -- */
	2	/*
	3	* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
	4	*
	5	* Copyright (C) 2014, Rob Norris <rw_norris@hotmail.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU Format Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU Format Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Format Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*
	21	*/
	22
	23	#ifdef HAVE_CONFIG_H
	24	#include "config.h"
	25	#endif
	26
	27	#include "vikwebtoolformat.h"
	28
	29	#include <string.h>
	30	#include <glib.h>
	31
	32	#include "util.h"
	33	#include "globals.h"
	34	#include "maputils.h"
	35
	36	static GObjectClass *parent_class;
	37
	38	static void webtool_format_finalize ( GObject *gob );
	39
	40	static guint8 webtool_format_mpp_to_zoom ( VikWebtool *self, gdouble mpp );
	41	static gchar webtool_format_get_url ( VikWebtool vw, VikWindow *vwindow );
	42
	43	typedef struct _VikWebtoolFormatPrivate VikWebtoolFormatPrivate;
	44
	45	struct _VikWebtoolFormatPrivate
	46	{
	47	gchar *url;
	48	gchar *url_format_code;
	49	};
	50
	51	#define WEBTOOL_FORMAT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
	52	VIK_WEBTOOL_FORMAT_TYPE, \
	53	VikWebtoolFormatPrivate))
	54
	55	G_DEFINE_TYPE (VikWebtoolFormat, vik_webtool_format, VIK_WEBTOOL_TYPE)
	56
	57	enum
	58	{
	59	PROP_0,
	60
	61	PROP_URL,
	62	PROP_URL_FORMAT_CODE,
	63	};
	64
65	static void
66	webtool_format_set_property (GObject *object,
67	guint property_id,
68	const GValue *value,
69	GParamSpec *pspec)
70	{
71	VikWebtoolFormat *self = VIK_WEBTOOL_FORMAT (object);
72	VikWebtoolFormatPrivate *priv = WEBTOOL_FORMAT_GET_PRIVATE (self);
73
74	switch (property_id) {
75	case PROP_URL:
76	g_free (priv->url);
77	priv->url = g_value_dup_string (value);
78	g_debug ("VikWebtoolFormat.url: %s", priv->url);
79	break;
80	case PROP_URL_FORMAT_CODE:
81	g_free ( priv->url_format_code );
82	priv->url_format_code = g_value_dup_string ( value );
83	g_debug ( "VikWebtoolFormat.url_format_code: %s", priv->url_format_code );
84	break;
85
86	default:
87	/* We don't have any other property... */
88	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
89	break;
90	}
91	}
92
93	static void
94	webtool_format_get_property (GObject *object,
95	guint property_id,
96	GValue *value,
97	GParamSpec *pspec)
98	{
99	VikWebtoolFormat *self = VIK_WEBTOOL_FORMAT (object);
100	VikWebtoolFormatPrivate *priv = WEBTOOL_FORMAT_GET_PRIVATE (self);
101
102	switch (property_id) {
103	case PROP_URL:
104	g_value_set_string (value, priv->url);
105	break;
106
107	case PROP_URL_FORMAT_CODE:
108	g_value_set_string ( value, priv->url_format_code );
109	break;
110
111	default:
112	/* We don't have any other property... */
113	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
114	break;
115	}
116	}
117
118	static void
119	vik_webtool_format_class_init ( VikWebtoolFormatClass *klass )
120	{
121	GObjectClass *gobject_class;
122	VikWebtoolClass *base_class;
123	GParamSpec *pspec;
124
125	gobject_class = G_OBJECT_CLASS (klass);
126
127	gobject_class->finalize = webtool_format_finalize;
128	gobject_class->set_property = webtool_format_set_property;
129	gobject_class->get_property = webtool_format_get_property;
130
131	pspec = g_param_spec_string ("url",
132	"Template Url",
133	"Set the template url",
134	VIKING_URL /* default value */,
135	G_PARAM_CONSTRUCT_ONLY \| G_PARAM_READWRITE);
136	g_object_class_install_property (gobject_class,
137	PROP_URL,
138	pspec);
139
140	pspec = g_param_spec_string ("url_format_code",
141	"Template URL Format Code",
142	"Set the template URL format code",
143	"AOZ", // default value Lat, Long, Zoom
144	G_PARAM_CONSTRUCT_ONLY \| G_PARAM_READWRITE);
145	g_object_class_install_property (gobject_class,
146	PROP_URL_FORMAT_CODE,
147	pspec);
148
149	parent_class = g_type_class_peek_parent (klass);
150
151	base_class = VIK_WEBTOOL_CLASS ( klass );
152	base_class->get_url = webtool_format_get_url;
153
154	klass->mpp_to_zoom = webtool_format_mpp_to_zoom;
155
156	g_type_class_add_private (klass, sizeof (VikWebtoolFormatPrivate));
157	}
158
159	VikWebtoolFormat *vik_webtool_format_new ()
160	{
161	return VIK_WEBTOOL_FORMAT ( g_object_new ( VIK_WEBTOOL_FORMAT_TYPE, NULL ) );
162	}
163
164	VikWebtoolFormat vik_webtool_format_new_with_members ( const gchar label,
165	const gchar *url,
166	const gchar *url_format_code )
167	{
168	VikWebtoolFormat *result = VIK_WEBTOOL_FORMAT ( g_object_new ( VIK_WEBTOOL_FORMAT_TYPE,
169	"label", label,
170	"url", url,
171	"url_format_code", url_format_code,
172	NULL ) );
173
174	return result;
175	}
176
177	static void
178	vik_webtool_format_init ( VikWebtoolFormat *self )
179	{
180	VikWebtoolFormatPrivate *priv = WEBTOOL_FORMAT_GET_PRIVATE (self);
181	priv->url = NULL;
182	priv->url_format_code = NULL;
183	}
184
185	static void webtool_format_finalize ( GObject *gob )
186	{
187	VikWebtoolFormatPrivate *priv = WEBTOOL_FORMAT_GET_PRIVATE ( gob );
188	g_free ( priv->url ); priv->url = NULL;
189	g_free ( priv->url_format_code ); priv->url_format_code = NULL;
190	G_OBJECT_CLASS(parent_class)->finalize(gob);
191	}
192
193	static guint8 webtool_format_mpp_to_zoom ( VikWebtool *self, gdouble mpp ) {
194	return map_utils_mpp_to_zoom_level ( mpp );
195	}
196
197	#define MAX_NUMBER_CODES 7
198
199	static gchar webtool_format_get_url ( VikWebtool self, VikWindow *vw )
200	{
201	VikWebtoolFormatPrivate *priv = NULL;
202	priv = WEBTOOL_FORMAT_GET_PRIVATE (self);
203
204	VikViewport *viewport = vik_window_viewport ( vw );
205
206	// Get top left and bottom right lat/lon pairs from the viewport
207	gdouble min_lat, max_lat, min_lon, max_lon;
208	gchar sminlon[G_ASCII_DTOSTR_BUF_SIZE];
209	gchar smaxlon[G_ASCII_DTOSTR_BUF_SIZE];
210	gchar sminlat[G_ASCII_DTOSTR_BUF_SIZE];
211	gchar smaxlat[G_ASCII_DTOSTR_BUF_SIZE];
212	vik_viewport_get_min_max_lat_lon ( viewport, &min_lat, &max_lat, &min_lon, &max_lon );
213
214	// Cannot simply use g_strdup_printf and gdouble due to locale.
215	// As we compute an URL, we have to think in C locale.
216	g_ascii_dtostr (sminlon, G_ASCII_DTOSTR_BUF_SIZE, min_lon);
217	g_ascii_dtostr (smaxlon, G_ASCII_DTOSTR_BUF_SIZE, max_lon);
218	g_ascii_dtostr (sminlat, G_ASCII_DTOSTR_BUF_SIZE, min_lat);
219	g_ascii_dtostr (smaxlat, G_ASCII_DTOSTR_BUF_SIZE, max_lat);
220
221	// Center values
222	const VikCoord *coord = vik_viewport_get_center ( viewport );
223	struct LatLon ll;
224	vik_coord_to_latlon ( coord, &ll );
225
226	gchar scenterlat[G_ASCII_DTOSTR_BUF_SIZE];
227	gchar scenterlon[G_ASCII_DTOSTR_BUF_SIZE];
228	g_ascii_dtostr (scenterlat, G_ASCII_DTOSTR_BUF_SIZE, ll.lat);
229	g_ascii_dtostr (scenterlon, G_ASCII_DTOSTR_BUF_SIZE, ll.lon);
230
231	guint8 zoom = 17; // A zoomed in default
232	// zoom - ideally x & y factors need to be the same otherwise use the default
233	if ( vik_viewport_get_xmpp ( viewport ) == vik_viewport_get_ympp ( viewport ) )
234	zoom = map_utils_mpp_to_zoom_level ( vik_viewport_get_zoom ( viewport ) );
235
236	gchar szoom[G_ASCII_DTOSTR_BUF_SIZE];
237	g_snprintf ( szoom, G_ASCII_DTOSTR_BUF_SIZE, "%d", zoom );
238
239	gint len = 0;
240	if ( priv->url_format_code )
241	len = strlen ( priv->url_format_code );
242	if ( len > MAX_NUMBER_CODES )
243	len = MAX_NUMBER_CODES;
244
245	gchar* values[MAX_NUMBER_CODES];
246	int i;
247	for ( i = 0; i < MAX_NUMBER_CODES; i++ ) {
248	values[i] = '\0';
249	}
250
251	for ( i = 0; i < len; i++ ) {
252	switch ( g_ascii_toupper ( priv->url_format_code[i] ) ) {
253	case 'L': values[i] = g_strdup ( sminlon ); break;
254	case 'R': values[i] = g_strdup ( smaxlon ); break;
255	case 'B': values[i] = g_strdup ( sminlat ); break;
256	case 'T': values[i] = g_strdup ( smaxlat ); break;
257	case 'A': values[i] = g_strdup ( scenterlat ); break;
258	case 'O': values[i] = g_strdup ( scenterlon ); break;
259	case 'Z': values[i] = g_strdup ( szoom ); break;
260	default: break;
261	}
262	}
263
264	gchar *url = g_strdup_printf ( priv->url, values[0], values[1], values[2], values[3], values[4], values[5], values[6] );
265
266	for ( i = 0; i < MAX_NUMBER_CODES; i++ ) {
267	if ( values[i] != '\0' )
268	g_free ( values[i] );
269	}
270
271	g_debug ("%s %s", __FUNCTION__, url);
272	return url;
273	}
274
275	guint8 vik_webtool_format_mpp_to_zoom (VikWebtool *self, gdouble mpp)
276	{
277	return VIK_WEBTOOL_FORMAT_GET_CLASS( self )->mpp_to_zoom( self, mpp );
278	}