trunk/src/garmin_export.c

/*
 * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
 *
 * This file is part of GPXView.
 *
 * GPXView is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * GPXView 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "gpxview.h"
#include <sqlite3.h>

#include <libxml/parser.h>
#include <libxml/tree.h>

#if !defined(LIBXML_TREE_ENABLED) || !defined(LIBXML_OUTPUT_ENABLED)
#error "libxml doesn't support required tree or output"
#endif

typedef struct {
  GtkWidget *dialog;
  appdata_t *appdata;
  GtkWidget *ignore_found;
  GtkWidget *info_label;
  gpx_t *gpx;
} export_context_t;

/* add a cache to the chain of caches to be exported */
static void chain_cache(gpx_t *gpx, cache_t *cache) {
  cache_t **cur = &gpx->cache;

  /* search end of chain */
  while(*cur) {
    if(strcmp(cache->id, (*cur)->id) == 0) 
      return;

    cur = &(*cur)->next;
  }

  *cur = malloc(sizeof(cache_t));
  if(!(*cur)) return;

  memcpy(*cur, cache, sizeof(cache_t));
  (*cur)->next = NULL;
}

static gpx_t *export_list_create(appdata_t *appdata) {
  gpx_t *gpx = g_new0(gpx_t,1);
  if(!gpx) return gpx;

  gpx_t *lgpx = appdata->gpx;
  while(lgpx) {
    /* make sure all notes are loaded */
    if(!lgpx->notes_loaded) {
      notes_load_all(appdata, lgpx);
      lgpx->notes_loaded = TRUE;
    }

    cache_t *cache = lgpx->cache;
    while(cache) {
      if(cache->notes && cache->notes->override)
        chain_cache(gpx, cache); 

      cache = cache->next; 
    }
    lgpx = lgpx->next;
  }

  return gpx;
}

static void export_list_free(gpx_t *gpx) {
  printf("freeing export list\n");

  cache_t *cache = gpx->cache;
  while(cache) {
    cache_t *tmp = cache;
    cache = cache->next;
    free(tmp);
  }
  free(gpx);
}

static int export_list_count(appdata_t *appdata, gpx_t *gpx) {
  int cnt = 0;

  cache_t *cache = gpx->cache;
  while(cache) {
    if(!appdata->garmin_ign_found || 
       (appdata->garmin_ign_found && !cache->notes->found))
      cnt++;
    
    cache = cache->next;
  }
  return cnt;
}

/* Our usual callback function */
static void export_update(GtkWidget *widget, gpointer data) {
  export_context_t *context = (export_context_t *)data;

  if(check_button_get_active(context->ignore_found)) 
    context->appdata->garmin_ign_found = TRUE;
  else
    context->appdata->garmin_ign_found = FALSE;

  char str[256];
  snprintf(str, sizeof(str), 
           _("This will export the overridden coordinates of %d "
             "caches into a GPX waypoint file suitable for garmin "
             "GPS units."), export_list_count(context->appdata, context->gpx));

  gtk_label_set_text(GTK_LABEL(context->info_label), str);
}

void garmin_export(appdata_t *appdata) {
  char *old_garmin_path = strdup(appdata->garmin_path);

  export_context_t context;
  memset(&context, 0, sizeof(export_context_t));
  context.appdata = appdata;
  context.gpx = export_list_create(appdata);

  printf("export garmin data\n");

  /* --------- do confirmation dialog ----------- */
  context.dialog = gtk_dialog_new_with_buttons(_("Garmin waypoint export"),
          GTK_WINDOW(appdata->window), GTK_DIALOG_MODAL,
          GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
          GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
          NULL);

#if defined(USE_MAEMO) && defined(HILDON_HELP)
  hildon_help_dialog_help_enable(GTK_DIALOG(context.dialog), 
                 HELP_ID_GARMIN, appdata->osso_context);
#endif 

  GtkWidget *vbox = gtk_vbox_new(FALSE,2);

  gtk_box_pack_start_defaults(GTK_BOX(vbox),
              context.ignore_found = check_button_new_with_label(
             _("Ignore found caches")));
  check_button_set_active(context.ignore_found, 
                           appdata->garmin_ign_found);
  /* Connect the "clicked" signal of the button to our callback */
  gtk_signal_connect (GTK_OBJECT(context.ignore_found), "clicked",
                      GTK_SIGNAL_FUNC(export_update), (gpointer)&context);

  context.info_label = gtk_label_new("");
  gtk_label_set_line_wrap_mode(GTK_LABEL(context.info_label),PANGO_WRAP_WORD);
  gtk_label_set_line_wrap(GTK_LABEL(context.info_label), TRUE);
  gtk_misc_set_alignment(GTK_MISC(context.info_label), 0.f, 0.5f);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), context.info_label);

  export_update(NULL, &context);

  /* ------------------ path/file ------------------ */
  gtk_box_pack_start_defaults(GTK_BOX(vbox), gtk_hseparator_new());

  gtk_box_pack_start_defaults(GTK_BOX(vbox), 
      export_file(_("Save garmin GPX"), &appdata->garmin_path));

  /* ----------------------------------- */

  gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context.dialog)->vbox), vbox);

  gtk_widget_show_all(context.dialog);

  if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(context.dialog))) {
    /* remove existing database */
    remove(appdata->garmin_path);

    if(checkdir(appdata->garmin_path) != 0) 
      errorf(_("Unable to access or create output directory!"));
    else {

      if(checkdir(appdata->garmin_path) != 0) {
        errorf(_("Unable to create export path!"));
      } else {

        LIBXML_TEST_VERSION;
    
        xmlDocPtr doc = xmlNewDoc(BAD_CAST "1.0");
        xmlNodePtr root_node = xmlNewNode(NULL, BAD_CAST "gpx");
        xmlDocSetRootElement(doc, root_node);
  
        /* add all waypoints */
        cache_t *cache = context.gpx->cache;
        while(cache) {
          notes_t *notes = cache->notes;
          g_assert(notes);

          if(!appdata->garmin_ign_found || 
             (appdata->garmin_ign_found && !notes->found)) {
            
            xmlNodePtr wpt_node = 
              xmlNewChild(root_node, NULL, BAD_CAST "wpt", NULL);
            
            /* make sure no invalid position gets saved */
            char str[32];
            g_ascii_dtostr(str, sizeof(str), notes->pos.lat);
            xmlNewProp(wpt_node, BAD_CAST "lat", BAD_CAST str);
            g_ascii_dtostr(str, sizeof(str), notes->pos.lon);
            xmlNewProp(wpt_node, BAD_CAST "lon", BAD_CAST str);
            
            int len = strlen(cache->id) + strlen(" - ") +
              strlen(cache->name) + 1;
            char *name = malloc(len);
            snprintf(name, len, "%s - %s", cache->id, cache->name);
            xmlNewChild(wpt_node, NULL, BAD_CAST "name", BAD_CAST name);
            free(name);
            xmlNewChild(wpt_node, NULL, BAD_CAST "sym", BAD_CAST "Pin, Blue");
            xmlNewChild(wpt_node, NULL, BAD_CAST "desc", BAD_CAST notes->text);
          }
            
          cache = cache->next;
        }
  
        /* write everything and free it */
        printf("writing %s\n", appdata->garmin_path);
        xmlSaveFormatFileEnc(appdata->garmin_path, doc, "UTF-8", 1);
        xmlFreeDoc(doc);
        xmlCleanupParser();
      }
    }
  } else {
    /* restore old garmin_path, in case it has been altered */
    /* but not been used */
    free(appdata->garmin_path);
    appdata->garmin_path = strdup(old_garmin_path);
  }
  
  gtk_widget_destroy(context.dialog);
  export_list_free(context.gpx);
  free(old_garmin_path);
}
1	harbaum	1	/*
2			* Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
3			*
4			* This file is part of GPXView.
5			*
6			* GPXView 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 3 of the License, or
9			* (at your option) any later version.
10			*
11			* GPXView 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 GPXView. If not, see <http://www.gnu.org/licenses/>.
18			*/
19
20			#include "gpxview.h"
21			#include <sqlite3.h>
22
23			#include <libxml/parser.h>
24			#include <libxml/tree.h>
25
26			#if !defined(LIBXML_TREE_ENABLED) \|\| !defined(LIBXML_OUTPUT_ENABLED)
27			#error "libxml doesn't support required tree or output"
28			#endif
29
30			typedef struct {
31			GtkWidget *dialog;
32			appdata_t *appdata;
33	harbaum	233	GtkWidget *ignore_found;
34	harbaum	1	GtkWidget *info_label;
35			gpx_t *gpx;
36			} export_context_t;
37
38			/* add a cache to the chain of caches to be exported */
39			static void chain_cache(gpx_t gpx, cache_t cache) {
40			cache_t **cur = &gpx->cache;
41
42			/* search end of chain */
43			while(*cur) {
44			if(strcmp(cache->id, (*cur)->id) == 0)
45			return;
46
47			cur = &(*cur)->next;
48			}
49
50			*cur = malloc(sizeof(cache_t));
51			if(!(*cur)) return;
52
53			memcpy(*cur, cache, sizeof(cache_t));
54			(*cur)->next = NULL;
55			}
56
57			static gpx_t export_list_create(appdata_t appdata) {
58			gpx_t *gpx = g_new0(gpx_t,1);
59			if(!gpx) return gpx;
60
61			gpx_t *lgpx = appdata->gpx;
62			while(lgpx) {
63			/* make sure all notes are loaded */
64			if(!lgpx->notes_loaded) {
65			notes_load_all(appdata, lgpx);
66			lgpx->notes_loaded = TRUE;
67			}
68
69			cache_t *cache = lgpx->cache;
70			while(cache) {
71			if(cache->notes && cache->notes->override)
72			chain_cache(gpx, cache);
73
74			cache = cache->next;
75			}
76			lgpx = lgpx->next;
77			}
78
79			return gpx;
80			}
81
82			static void export_list_free(gpx_t *gpx) {
83			printf("freeing export list\n");
84
85			cache_t *cache = gpx->cache;
86			while(cache) {
87			cache_t *tmp = cache;
88			cache = cache->next;
89			free(tmp);
90			}
91			free(gpx);
92			}
93
94			static int export_list_count(appdata_t appdata, gpx_t gpx) {
95			int cnt = 0;
96
97			cache_t *cache = gpx->cache;
98			while(cache) {
99			if(!appdata->garmin_ign_found \|\|
100			(appdata->garmin_ign_found && !cache->notes->found))
101			cnt++;
102
103			cache = cache->next;
104			}
105			return cnt;
106			}
107
108			/* Our usual callback function */
109			static void export_update(GtkWidget *widget, gpointer data) {
110			export_context_t context = (export_context_t )data;
111
112	harbaum	233	if(check_button_get_active(context->ignore_found))
113	harbaum	1	context->appdata->garmin_ign_found = TRUE;
114			else
115			context->appdata->garmin_ign_found = FALSE;
116
117			char str[256];
118			snprintf(str, sizeof(str),
119			_("This will export the overridden coordinates of %d "
120			"caches into a GPX waypoint file suitable for garmin "
121			"GPS units."), export_list_count(context->appdata, context->gpx));
122
123			gtk_label_set_text(GTK_LABEL(context->info_label), str);
124			}
125
126			void garmin_export(appdata_t *appdata) {
127			char *old_garmin_path = strdup(appdata->garmin_path);
128
129			export_context_t context;
130			memset(&context, 0, sizeof(export_context_t));
131			context.appdata = appdata;
132			context.gpx = export_list_create(appdata);
133
134			printf("export garmin data\n");
135
136			/* --------- do confirmation dialog ----------- */
137			context.dialog = gtk_dialog_new_with_buttons(_("Garmin waypoint export"),
138			GTK_WINDOW(appdata->window), GTK_DIALOG_MODAL,
139			GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
140			GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
141			NULL);
142
143			#if defined(USE_MAEMO) && defined(HILDON_HELP)
144			hildon_help_dialog_help_enable(GTK_DIALOG(context.dialog),
145			HELP_ID_GARMIN, appdata->osso_context);
146			#endif
147
148			GtkWidget *vbox = gtk_vbox_new(FALSE,2);
149
150			gtk_box_pack_start_defaults(GTK_BOX(vbox),
151	harbaum	233	context.ignore_found = check_button_new_with_label(
152	harbaum	1	_("Ignore found caches")));
153	harbaum	233	check_button_set_active(context.ignore_found,
154			appdata->garmin_ign_found);
155	harbaum	1	/* Connect the "clicked" signal of the button to our callback */
156			gtk_signal_connect (GTK_OBJECT(context.ignore_found), "clicked",
157			GTK_SIGNAL_FUNC(export_update), (gpointer)&context);
158
159			context.info_label = gtk_label_new("");
160			gtk_label_set_line_wrap_mode(GTK_LABEL(context.info_label),PANGO_WRAP_WORD);
161			gtk_label_set_line_wrap(GTK_LABEL(context.info_label), TRUE);
162			gtk_misc_set_alignment(GTK_MISC(context.info_label), 0.f, 0.5f);
163			gtk_box_pack_start_defaults(GTK_BOX(vbox), context.info_label);
164
165			export_update(NULL, &context);
166
167			/* ------------------ path/file ------------------ */
168			gtk_box_pack_start_defaults(GTK_BOX(vbox), gtk_hseparator_new());
169
170	harbaum	233	gtk_box_pack_start_defaults(GTK_BOX(vbox),
171			export_file(_("Save garmin GPX"), &appdata->garmin_path));
172	harbaum	1
173			/* ----------------------------------- */
174
175			gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context.dialog)->vbox), vbox);
176
177			gtk_widget_show_all(context.dialog);
178
179			if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(context.dialog))) {
180			/* remove existing database */
181			remove(appdata->garmin_path);
182
183			if(checkdir(appdata->garmin_path) != 0)
184			errorf(_("Unable to access or create output directory!"));
185			else {
186
187			if(checkdir(appdata->garmin_path) != 0) {
188			errorf(_("Unable to create export path!"));
189			} else {
190
191			LIBXML_TEST_VERSION;
192
193			xmlDocPtr doc = xmlNewDoc(BAD_CAST "1.0");
194			xmlNodePtr root_node = xmlNewNode(NULL, BAD_CAST "gpx");
195			xmlDocSetRootElement(doc, root_node);
196
197			/* add all waypoints */
198			cache_t *cache = context.gpx->cache;
199			while(cache) {
200			notes_t *notes = cache->notes;
201			g_assert(notes);
202
203			if(!appdata->garmin_ign_found \|\|
204			(appdata->garmin_ign_found && !notes->found)) {
205
206			xmlNodePtr wpt_node =
207			xmlNewChild(root_node, NULL, BAD_CAST "wpt", NULL);
208
209			/* make sure no invalid position gets saved */
210			char str[32];
211			g_ascii_dtostr(str, sizeof(str), notes->pos.lat);
212			xmlNewProp(wpt_node, BAD_CAST "lat", BAD_CAST str);
213			g_ascii_dtostr(str, sizeof(str), notes->pos.lon);
214			xmlNewProp(wpt_node, BAD_CAST "lon", BAD_CAST str);
215
216			int len = strlen(cache->id) + strlen(" - ") +
217			strlen(cache->name) + 1;
218			char *name = malloc(len);
219			snprintf(name, len, "%s - %s", cache->id, cache->name);
220			xmlNewChild(wpt_node, NULL, BAD_CAST "name", BAD_CAST name);
221			free(name);
222			xmlNewChild(wpt_node, NULL, BAD_CAST "sym", BAD_CAST "Pin, Blue");
223			xmlNewChild(wpt_node, NULL, BAD_CAST "desc", BAD_CAST notes->text);
224			}
225
226			cache = cache->next;
227			}
228
229			/* write everything and free it */
230			printf("writing %s\n", appdata->garmin_path);
231			xmlSaveFormatFileEnc(appdata->garmin_path, doc, "UTF-8", 1);
232			xmlFreeDoc(doc);
233			xmlCleanupParser();
234			}
235			}
236			} else {
237			/* restore old garmin_path, in case it has been altered */
238			/* but not been used */
239			free(appdata->garmin_path);
240			appdata->garmin_path = strdup(old_garmin_path);
241			}
242
243			gtk_widget_destroy(context.dialog);
244			export_list_free(context.gpx);
245			free(old_garmin_path);
246			}