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Various fremantleization
1 | harbaum | 1 | /* |
2 | * Copyright (C) 2008 Till Harbaum <till@harbaum.org>. | ||
3 | * | ||
4 | * This file is part of OSM2Go. | ||
5 | * | ||
6 | * OSM2Go 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 | * OSM2Go 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 OSM2Go. If not, see <http://www.gnu.org/licenses/>. | ||
18 | */ | ||
19 | |||
20 | #include "appdata.h" | ||
21 | |||
22 | #include <libxml/parser.h> | ||
23 | #include <libxml/tree.h> | ||
24 | |||
25 | #ifndef LIBXML_TREE_ENABLED | ||
26 | #error "Tree not enabled in libxml" | ||
27 | #endif | ||
28 | |||
29 | #define WMS_FORMAT_JPG (1<<0) | ||
30 | #define WMS_FORMAT_JPEG (1<<1) | ||
31 | #define WMS_FORMAT_PNG (1<<2) | ||
32 | #define WMS_FORMAT_GIF (1<<3) | ||
33 | |||
34 | typedef struct { | ||
35 | pos_t min, max; | ||
36 | gboolean valid; | ||
37 | } wms_llbbox_t; | ||
38 | |||
39 | typedef struct wms_layer_s { | ||
40 | char *title; | ||
41 | char *name; | ||
42 | harbaum | 297 | char *srs; |
43 | harbaum | 1 | gboolean epsg4326, selected; |
44 | wms_llbbox_t llbbox; | ||
45 | |||
46 | struct wms_layer_s *children; | ||
47 | struct wms_layer_s *next; | ||
48 | } wms_layer_t; | ||
49 | |||
50 | typedef struct { | ||
51 | gulong format; | ||
52 | } wms_getmap_t; | ||
53 | |||
54 | typedef struct { | ||
55 | wms_getmap_t *getmap; | ||
56 | } wms_request_t; | ||
57 | |||
58 | typedef struct { | ||
59 | char *title; | ||
60 | } wms_service_t; | ||
61 | |||
62 | typedef struct { | ||
63 | wms_layer_t *layer; | ||
64 | wms_request_t *request; | ||
65 | } wms_cap_t; | ||
66 | |||
67 | typedef struct { | ||
68 | char *server; | ||
69 | char *path; | ||
70 | gint width, height; | ||
71 | |||
72 | wms_service_t *service; | ||
73 | wms_cap_t *cap; | ||
74 | } wms_t; | ||
75 | |||
76 | gboolean xmlTextIs(xmlDocPtr doc, xmlNodePtr list, char *str) { | ||
77 | char *nstr = (char*)xmlNodeListGetString(doc, list, 1); | ||
78 | if(!nstr) return FALSE; | ||
79 | |||
80 | gboolean match = (strcmp(str, nstr) == 0); | ||
81 | xmlFree(nstr); | ||
82 | return match; | ||
83 | } | ||
84 | |||
85 | gboolean xmlPropIs(xmlNode *node, char *prop, char *str) { | ||
86 | char *prop_str = (char*)xmlGetProp(node, BAD_CAST prop); | ||
87 | if(!prop_str) return FALSE; | ||
88 | |||
89 | gboolean match = (strcmp(prop_str, str) == 0); | ||
90 | xmlFree(prop_str); | ||
91 | return match; | ||
92 | } | ||
93 | |||
94 | float xmlGetPropFloat(xmlNode *node, char *prop) { | ||
95 | char *prop_str = (char*)xmlGetProp(node, BAD_CAST prop); | ||
96 | if(!prop_str) return NAN; | ||
97 | |||
98 | float retval = g_ascii_strtod(prop_str, NULL); | ||
99 | xmlFree(prop_str); | ||
100 | return retval; | ||
101 | } | ||
102 | |||
103 | static gboolean wms_bbox_is_valid(pos_t *min, pos_t *max) { | ||
104 | /* all four coordinates are valid? */ | ||
105 | if(isnan(min->lat)||isnan(min->lon)||isnan(max->lat)||isnan(max->lon)) | ||
106 | return FALSE; | ||
107 | |||
108 | /* min/max span a useful range? */ | ||
109 | if(max->lat - min->lat < 1.0) return FALSE; | ||
110 | if(max->lon - min->lon < 1.0) return FALSE; | ||
111 | |||
112 | /* useful angles? */ | ||
113 | if(min->lat > 90.0 || min->lat < -90.0) return FALSE; | ||
114 | if(max->lat > 90.0 || max->lat < -90.0) return FALSE; | ||
115 | if(min->lon > 180.0 || min->lon < -180.0) return FALSE; | ||
116 | if(max->lon > 180.0 || max->lon < -180.0) return FALSE; | ||
117 | |||
118 | return TRUE; | ||
119 | } | ||
120 | |||
121 | static wms_layer_t *wms_cap_parse_layer(xmlDocPtr doc, xmlNode *a_node) { | ||
122 | wms_layer_t *wms_layer = NULL; | ||
123 | xmlNode *cur_node = NULL; | ||
124 | char *str = NULL; | ||
125 | |||
126 | wms_layer = g_new0(wms_layer_t, 1); | ||
127 | wms_layer->llbbox.min.lon = wms_layer->llbbox.min.lat = NAN; | ||
128 | wms_layer->llbbox.max.lon = wms_layer->llbbox.max.lat = NAN; | ||
129 | |||
130 | wms_layer_t **children = &(wms_layer->children); | ||
131 | |||
132 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
133 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
134 | if(strcasecmp((char*)cur_node->name, "Layer") == 0) { | ||
135 | *children = wms_cap_parse_layer(doc, cur_node); | ||
136 | if(*children) children = &((*children)->next); | ||
137 | } else if(strcasecmp((char*)cur_node->name, "Name") == 0) { | ||
138 | str = (char*)xmlNodeListGetString(doc, cur_node->children, 1); | ||
139 | wms_layer->name = g_strdup(str); | ||
140 | xmlFree(str); | ||
141 | } else if(strcasecmp((char*)cur_node->name, "Title") == 0) { | ||
142 | str = (char*)xmlNodeListGetString(doc, cur_node->children, 1); | ||
143 | wms_layer->title = g_strdup(str); | ||
144 | xmlFree(str); | ||
145 | } else if(strcasecmp((char*)cur_node->name, "SRS") == 0) { | ||
146 | harbaum | 297 | str = (char*)xmlNodeListGetString(doc, cur_node->children, 1); |
147 | wms_layer->srs = g_strdup(str); | ||
148 | xmlFree(str); | ||
149 | |||
150 | printf("SRS = %s\n", wms_layer->srs); | ||
151 | |||
152 | if(strcmp(wms_layer->srs, "EPSG:4326") == 0) | ||
153 | harbaum | 1 | wms_layer->epsg4326 = TRUE; |
154 | harbaum | 297 | |
155 | harbaum | 1 | } else if(strcasecmp((char*)cur_node->name, "LatLonBoundingBox") == 0) { |
156 | wms_layer->llbbox.min.lat = xmlGetPropFloat(cur_node, "miny"); | ||
157 | wms_layer->llbbox.min.lon = xmlGetPropFloat(cur_node, "minx"); | ||
158 | wms_layer->llbbox.max.lat = xmlGetPropFloat(cur_node, "maxy"); | ||
159 | wms_layer->llbbox.max.lon = xmlGetPropFloat(cur_node, "maxx"); | ||
160 | } else | ||
161 | printf("found unhandled WMT_MS_Capabilities/Capability/Layer/%s\n", | ||
162 | cur_node->name); | ||
163 | } | ||
164 | } | ||
165 | |||
166 | wms_layer->llbbox.valid = wms_bbox_is_valid(&wms_layer->llbbox.min, | ||
167 | &wms_layer->llbbox.max); | ||
168 | |||
169 | printf("------------------- Layer: %s ---------------------------\n", | ||
170 | wms_layer->title); | ||
171 | printf("Name: %s\n", wms_layer->name); | ||
172 | printf("EPSG-4326: %s\n", wms_layer->epsg4326?"yes":"no"); | ||
173 | if(wms_layer->llbbox.valid) | ||
174 | printf("LatLonBBox: %f/%f %f/%f\n", | ||
175 | wms_layer->llbbox.min.lat, wms_layer->llbbox.min.lon, | ||
176 | wms_layer->llbbox.max.lat, wms_layer->llbbox.max.lon); | ||
177 | else | ||
178 | printf("No/invalid LatLonBBox\n"); | ||
179 | |||
180 | return wms_layer; | ||
181 | } | ||
182 | |||
183 | static wms_getmap_t *wms_cap_parse_getmap(xmlDocPtr doc, xmlNode *a_node) { | ||
184 | wms_getmap_t *wms_getmap = NULL; | ||
185 | xmlNode *cur_node = NULL; | ||
186 | |||
187 | wms_getmap = g_new0(wms_getmap_t, 1); | ||
188 | |||
189 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
190 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
191 | if(strcasecmp((char*)cur_node->name, "Format") == 0) { | ||
192 | if(xmlTextIs(doc, cur_node->children, "image/png")) | ||
193 | wms_getmap->format |= WMS_FORMAT_PNG; | ||
194 | if(xmlTextIs(doc, cur_node->children, "image/gif")) | ||
195 | wms_getmap->format |= WMS_FORMAT_GIF; | ||
196 | if(xmlTextIs(doc, cur_node->children, "image/jpg")) | ||
197 | wms_getmap->format |= WMS_FORMAT_JPG; | ||
198 | if(xmlTextIs(doc, cur_node->children, "image/jpeg")) | ||
199 | wms_getmap->format |= WMS_FORMAT_JPEG; | ||
200 | } else | ||
201 | printf("found unhandled " | ||
202 | "WMT_MS_Capabilities/Capability/Request/GetMap/%s\n", | ||
203 | cur_node->name); | ||
204 | } | ||
205 | } | ||
206 | |||
207 | printf("Supported formats: %s%s%s\n", | ||
208 | (wms_getmap->format & WMS_FORMAT_PNG)?"png ":"", | ||
209 | (wms_getmap->format & WMS_FORMAT_GIF)?"gif ":"", | ||
210 | (wms_getmap->format & (WMS_FORMAT_JPG | WMS_FORMAT_JPEG))?"jpg ":""); | ||
211 | return wms_getmap; | ||
212 | } | ||
213 | |||
214 | static wms_request_t *wms_cap_parse_request(xmlDocPtr doc, xmlNode *a_node) { | ||
215 | wms_request_t *wms_request = NULL; | ||
216 | xmlNode *cur_node = NULL; | ||
217 | |||
218 | wms_request = g_new0(wms_request_t, 1); | ||
219 | |||
220 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
221 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
222 | if(strcasecmp((char*)cur_node->name, "GetMap") == 0) { | ||
223 | wms_request->getmap = wms_cap_parse_getmap(doc, cur_node); | ||
224 | } else | ||
225 | printf("found unhandled WMT_MS_Capabilities/Capability/Request/%s\n", | ||
226 | cur_node->name); | ||
227 | } | ||
228 | } | ||
229 | |||
230 | return wms_request; | ||
231 | } | ||
232 | |||
233 | static wms_cap_t *wms_cap_parse_cap(xmlDocPtr doc, xmlNode *a_node) { | ||
234 | wms_cap_t *wms_cap = NULL; | ||
235 | xmlNode *cur_node = NULL; | ||
236 | |||
237 | wms_cap = g_new0(wms_cap_t, 1); | ||
238 | wms_layer_t **layer = &(wms_cap->layer); | ||
239 | |||
240 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
241 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
242 | if(strcasecmp((char*)cur_node->name, "Request") == 0) { | ||
243 | wms_cap->request = wms_cap_parse_request(doc, cur_node); | ||
244 | } else if(strcasecmp((char*)cur_node->name, "Layer") == 0) { | ||
245 | *layer = wms_cap_parse_layer(doc, cur_node); | ||
246 | if(*layer) layer = &((*layer)->next); | ||
247 | } else | ||
248 | printf("found unhandled WMT_MS_Capabilities/Capability/%s\n", | ||
249 | cur_node->name); | ||
250 | } | ||
251 | } | ||
252 | |||
253 | return wms_cap; | ||
254 | } | ||
255 | |||
256 | static wms_service_t *wms_cap_parse_service(xmlDocPtr doc, xmlNode *a_node) { | ||
257 | wms_service_t *wms_service = NULL; | ||
258 | xmlNode *cur_node = NULL; | ||
259 | char *str = NULL; | ||
260 | |||
261 | wms_service = g_new0(wms_service_t, 1); | ||
262 | |||
263 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
264 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
265 | if(strcasecmp((char*)cur_node->name, "title") == 0) { | ||
266 | str = (char*)xmlNodeListGetString(doc, cur_node->children, 1); | ||
267 | wms_service->title = g_strdup(str); | ||
268 | xmlFree(str); | ||
269 | } else | ||
270 | printf("found unhandled WMT_MS_Capabilities/Service/%s\n", | ||
271 | cur_node->name); | ||
272 | } | ||
273 | } | ||
274 | |||
275 | printf("-- Service --\n"); | ||
276 | printf("Title: %s\n", wms_service->title); | ||
277 | |||
278 | return wms_service; | ||
279 | } | ||
280 | |||
281 | static void wms_cap_parse(wms_t *wms, xmlDocPtr doc, xmlNode *a_node) { | ||
282 | xmlNode *cur_node = NULL; | ||
283 | |||
284 | for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) { | ||
285 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
286 | |||
287 | if(strcasecmp((char*)cur_node->name, "Service") == 0) { | ||
288 | if(!wms->service) | ||
289 | wms->service = wms_cap_parse_service(doc, cur_node); | ||
290 | } else if(strcasecmp((char*)cur_node->name, "Capability") == 0) { | ||
291 | if(!wms->cap) | ||
292 | wms->cap = wms_cap_parse_cap(doc, cur_node); | ||
293 | } else | ||
294 | printf("found unhandled WMT_MS_Capabilities/%s\n", cur_node->name); | ||
295 | } | ||
296 | } | ||
297 | } | ||
298 | |||
299 | /* parse root element */ | ||
300 | static void wms_cap_parse_root(wms_t *wms, xmlDocPtr doc, xmlNode *a_node) { | ||
301 | xmlNode *cur_node = NULL; | ||
302 | |||
303 | for (cur_node = a_node; cur_node; cur_node = cur_node->next) { | ||
304 | if (cur_node->type == XML_ELEMENT_NODE) { | ||
305 | |||
306 | if(strcasecmp((char*)cur_node->name, "WMT_MS_Capabilities") == 0) { | ||
307 | wms_cap_parse(wms, doc, cur_node); | ||
308 | } else | ||
309 | printf("found unhandled %s\n", cur_node->name); | ||
310 | } | ||
311 | } | ||
312 | } | ||
313 | |||
314 | static void wms_cap_parse_doc(wms_t *wms, xmlDocPtr doc) { | ||
315 | /* Get the root element node */ | ||
316 | xmlNode *root_element = xmlDocGetRootElement(doc); | ||
317 | |||
318 | wms_cap_parse_root(wms, doc, root_element); | ||
319 | |||
320 | /*free the document */ | ||
321 | xmlFreeDoc(doc); | ||
322 | |||
323 | /* | ||
324 | * Free the global variables that may | ||
325 | * have been allocated by the parser. | ||
326 | */ | ||
327 | xmlCleanupParser(); | ||
328 | } | ||
329 | |||
330 | /* get pixel extent of image display */ | ||
331 | void wms_setup_extent(project_t *project, wms_t *wms) { | ||
332 | pos_t center; | ||
333 | lpos_t lcenter, lmin, lmax; | ||
334 | float scale; | ||
335 | |||
336 | center.lat = (project->min.lat + project->max.lat)/2; | ||
337 | center.lon = (project->min.lon + project->max.lon)/2; | ||
338 | |||
339 | pos2lpos_center(¢er, &lcenter); | ||
340 | |||
341 | /* the scale is needed to accomodate for "streching" */ | ||
342 | /* by the mercartor projection */ | ||
343 | scale = cos(DEG2RAD(center.lat)); | ||
344 | |||
345 | pos2lpos_center(&project->min, &lmin); | ||
346 | lmin.x -= lcenter.x; | ||
347 | lmin.y -= lcenter.y; | ||
348 | lmin.x *= scale; | ||
349 | lmin.y *= scale; | ||
350 | |||
351 | pos2lpos_center(&project->max, &lmax); | ||
352 | lmax.x -= lcenter.x; | ||
353 | lmax.y -= lcenter.y; | ||
354 | lmax.x *= scale; | ||
355 | lmax.y *= scale; | ||
356 | |||
357 | wms->width = lmax.x - lmin.x; | ||
358 | wms->height = lmax.y - lmin.y; | ||
359 | |||
360 | if(wms->width > 2048) wms->width = 2048; | ||
361 | if(wms->height > 2048) wms->height = 2048; | ||
362 | |||
363 | printf("WMS: required image size = %dx%d\n", | ||
364 | wms->width, wms->height); | ||
365 | } | ||
366 | |||
367 | /* --------------- freeing stuff ------------------- */ | ||
368 | |||
369 | static void wms_layer_free(wms_layer_t *layer) { | ||
370 | while(layer) { | ||
371 | |||
372 | if(layer->title) g_free(layer->title); | ||
373 | if(layer->name) g_free(layer->name); | ||
374 | harbaum | 297 | if(layer->srs) g_free(layer->srs); |
375 | harbaum | 1 | |
376 | if(layer->children) wms_layer_free(layer->children); | ||
377 | |||
378 | wms_layer_t *next = layer->next; | ||
379 | g_free(layer); | ||
380 | layer = next; | ||
381 | } | ||
382 | } | ||
383 | |||
384 | static void wms_getmap_free(wms_getmap_t *getmap) { | ||
385 | g_free(getmap); | ||
386 | } | ||
387 | |||
388 | static void wms_request_free(wms_request_t *request) { | ||
389 | if(request->getmap) wms_getmap_free(request->getmap); | ||
390 | g_free(request); | ||
391 | } | ||
392 | |||
393 | static void wms_cap_free(wms_cap_t *cap) { | ||
394 | if(cap->layer) wms_layer_free(cap->layer); | ||
395 | if(cap->request) wms_request_free(cap->request); | ||
396 | g_free(cap); | ||
397 | } | ||
398 | |||
399 | static void wms_service_free(wms_service_t *service) { | ||
400 | if(service->title) g_free(service->title); | ||
401 | g_free(service); | ||
402 | } | ||
403 | |||
404 | static void wms_free(wms_t *wms) { | ||
405 | if(wms->server) g_free(wms->server); | ||
406 | if(wms->path) g_free(wms->path); | ||
407 | if(wms->cap) wms_cap_free(wms->cap); | ||
408 | if(wms->service) wms_service_free(wms->service); | ||
409 | g_free(wms); | ||
410 | } | ||
411 | |||
412 | /* ---------------------- use ------------------- */ | ||
413 | |||
414 | static gboolean wms_llbbox_fits(project_t *project, wms_llbbox_t *llbbox) { | ||
415 | if(!llbbox || !llbbox->valid || | ||
416 | (project->min.lat < llbbox->min.lat) || | ||
417 | (project->min.lon < llbbox->min.lon) || | ||
418 | (project->max.lat > llbbox->max.lat) || | ||
419 | (project->max.lon > llbbox->max.lon)) | ||
420 | return FALSE; | ||
421 | |||
422 | return TRUE; | ||
423 | } | ||
424 | |||
425 | static void wms_get_child_layers(wms_layer_t *layer, | ||
426 | harbaum | 297 | gint depth, gboolean epsg4326, wms_llbbox_t *llbbox, char *srs, |
427 | wms_layer_t **c_layer) { | ||
428 | harbaum | 1 | while(layer) { |
429 | |||
430 | /* get a copy of the parents values for the current one ... */ | ||
431 | wms_llbbox_t *local_llbbox = llbbox; | ||
432 | gboolean local_epsg4326 = epsg4326; | ||
433 | harbaum | 297 | char *local_srs = srs?g_strdup(srs):NULL; |
434 | harbaum | 1 | |
435 | /* ... and overwrite the inherited stuff with better local stuff */ | ||
436 | if(layer->llbbox.valid) local_llbbox = &layer->llbbox; | ||
437 | if(layer->epsg4326) local_epsg4326 = TRUE; | ||
438 | |||
439 | /* only named layers with useful bounding box are added to the list */ | ||
440 | if(local_llbbox && layer->name) { | ||
441 | *c_layer = g_new0(wms_layer_t, 1); | ||
442 | (*c_layer)->name = g_strdup(layer->name); | ||
443 | (*c_layer)->title = g_strdup(layer->title); | ||
444 | harbaum | 297 | (*c_layer)->srs = g_strdup(local_srs); |
445 | harbaum | 1 | (*c_layer)->epsg4326 = local_epsg4326; |
446 | (*c_layer)->llbbox = *local_llbbox; | ||
447 | c_layer = &((*c_layer)->next); | ||
448 | } | ||
449 | |||
450 | wms_get_child_layers(layer->children, depth+1, | ||
451 | local_epsg4326, local_llbbox, | ||
452 | harbaum | 297 | local_srs, c_layer); |
453 | harbaum | 1 | |
454 | harbaum | 297 | if(local_srs) g_free(local_srs); |
455 | harbaum | 1 | layer = layer->next; |
456 | } | ||
457 | } | ||
458 | |||
459 | static wms_layer_t *wms_get_requestable_layers(wms_t *wms) { | ||
460 | printf("\nSearching for usable layers\n"); | ||
461 | |||
462 | wms_layer_t *r_layer = NULL, **c_layer = &r_layer; | ||
463 | |||
464 | wms_layer_t *layer = wms->cap->layer; | ||
465 | while(layer) { | ||
466 | wms_llbbox_t *llbbox = &layer->llbbox; | ||
467 | if(llbbox && !llbbox->valid) llbbox = NULL; | ||
468 | |||
469 | wms_get_child_layers(layer->children, 1, | ||
470 | harbaum | 297 | layer->epsg4326, llbbox, layer->srs, c_layer); |
471 | harbaum | 1 | |
472 | layer = layer->next; | ||
473 | } | ||
474 | |||
475 | return r_layer; | ||
476 | } | ||
477 | |||
478 | harbaum | 14 | enum { |
479 | WMS_SERVER_COL_NAME = 0, | ||
480 | WMS_SERVER_COL_DATA, | ||
481 | WMS_SERVER_NUM_COLS | ||
482 | }; | ||
483 | |||
484 | typedef struct { | ||
485 | appdata_t *appdata; | ||
486 | wms_t *wms; | ||
487 | harbaum | 146 | GtkWidget *dialog, *list; |
488 | harbaum | 14 | GtkListStore *store; |
489 | GtkWidget *server_label, *path_label; | ||
490 | } wms_server_context_t; | ||
491 | |||
492 | static wms_server_t *get_selection(wms_server_context_t *context) { | ||
493 | GtkTreeSelection *selection; | ||
494 | GtkTreeModel *model; | ||
495 | GtkTreeIter iter; | ||
496 | |||
497 | harbaum | 146 | selection = list_get_selection(context->list); |
498 | harbaum | 14 | if(gtk_tree_selection_get_selected(selection, &model, &iter)) { |
499 | wms_server_t *wms_server; | ||
500 | gtk_tree_model_get(model, &iter, WMS_SERVER_COL_DATA, &wms_server, -1); | ||
501 | return(wms_server); | ||
502 | } | ||
503 | |||
504 | return NULL; | ||
505 | } | ||
506 | |||
507 | static void wms_server_selected(wms_server_context_t *context, | ||
508 | wms_server_t *selected) { | ||
509 | |||
510 | if(!selected && context->wms->server && context->wms->path) { | ||
511 | /* if the projects settings match a list entry, then select this */ | ||
512 | |||
513 | harbaum | 146 | GtkTreeSelection *selection = list_get_selection(context->list); |
514 | harbaum | 14 | |
515 | /* walk the entire store to get all values */ | ||
516 | wms_server_t *server = NULL; | ||
517 | GtkTreeIter iter; | ||
518 | |||
519 | gboolean valid = | ||
520 | gtk_tree_model_get_iter_first(GTK_TREE_MODEL(context->store), &iter); | ||
521 | |||
522 | while(valid && !selected) { | ||
523 | gtk_tree_model_get(GTK_TREE_MODEL(context->store), &iter, | ||
524 | WMS_SERVER_COL_DATA, &server, -1); | ||
525 | g_assert(server); | ||
526 | |||
527 | if((strcmp(server->server, context->wms->server) == 0) && | ||
528 | (strcmp(server->path, context->wms->path) == 0)) { | ||
529 | gtk_tree_selection_select_iter(selection, &iter); | ||
530 | selected = server; | ||
531 | } | ||
532 | |||
533 | valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(context->store), &iter); | ||
534 | } | ||
535 | } | ||
536 | |||
537 | harbaum | 146 | list_button_enable(context->list, LIST_BUTTON_REMOVE, selected != NULL); |
538 | list_button_enable(context->list, LIST_BUTTON_EDIT, selected != NULL); | ||
539 | harbaum | 14 | |
540 | /* user can click ok if a entry is selected or if both fields are */ | ||
541 | /* otherwise valid */ | ||
542 | if(selected) { | ||
543 | gtk_dialog_set_response_sensitive(GTK_DIALOG(context->dialog), | ||
544 | GTK_RESPONSE_ACCEPT, TRUE); | ||
545 | |||
546 | gtk_label_set_text(GTK_LABEL(context->server_label), selected->server); | ||
547 | gtk_label_set_text(GTK_LABEL(context->path_label), selected->path); | ||
548 | } else { | ||
549 | gtk_dialog_set_response_sensitive(GTK_DIALOG(context->dialog), | ||
550 | GTK_RESPONSE_ACCEPT, context->wms->server && context->wms->path); | ||
551 | |||
552 | if(context->wms->server) | ||
553 | gtk_label_set_text(GTK_LABEL(context->server_label), | ||
554 | context->wms->server); | ||
555 | if(context->wms->path) | ||
556 | gtk_label_set_text(GTK_LABEL(context->path_label), | ||
557 | context->wms->path); | ||
558 | } | ||
559 | } | ||
560 | |||
561 | static gboolean | ||
562 | wms_server_selection_func(GtkTreeSelection *selection, GtkTreeModel *model, | ||
563 | GtkTreePath *path, gboolean path_currently_selected, | ||
564 | gpointer userdata) { | ||
565 | wms_server_context_t *context = (wms_server_context_t*)userdata; | ||
566 | GtkTreeIter iter; | ||
567 | |||
568 | if(gtk_tree_model_get_iter(model, &iter, path)) { | ||
569 | wms_server_t *wms_server = NULL; | ||
570 | |||
571 | g_assert(gtk_tree_path_get_depth(path) == 1); | ||
572 | gtk_tree_model_get(model, &iter, WMS_SERVER_COL_DATA, &wms_server, -1); | ||
573 | wms_server_selected(context, wms_server); | ||
574 | } | ||
575 | |||
576 | return TRUE; /* allow selection state to change */ | ||
577 | } | ||
578 | |||
579 | static void on_server_remove(GtkWidget *but, wms_server_context_t *context) { | ||
580 | GtkTreeSelection *selection; | ||
581 | GtkTreeModel *model; | ||
582 | GtkTreeIter iter; | ||
583 | |||
584 | harbaum | 146 | selection = list_get_selection(context->list); |
585 | harbaum | 14 | if(gtk_tree_selection_get_selected(selection, &model, &iter)) { |
586 | wms_server_t *server = NULL; | ||
587 | gtk_tree_model_get(model, &iter, WMS_SERVER_COL_DATA, &server, -1); | ||
588 | |||
589 | g_assert(server); | ||
590 | |||
591 | /* de-chain */ | ||
592 | printf("de-chaining server %s\n", server->name); | ||
593 | wms_server_t **prev = &context->appdata->settings->wms_server; | ||
594 | while(*prev != server) prev = &((*prev)->next); | ||
595 | *prev = server->next; | ||
596 | |||
597 | /* free tag itself */ | ||
598 | wms_server_free(server); | ||
599 | |||
600 | /* and remove from store */ | ||
601 | gtk_list_store_remove(GTK_LIST_STORE(model), &iter); | ||
602 | } | ||
603 | |||
604 | wms_server_selected(context, NULL); | ||
605 | } | ||
606 | |||
607 | static void callback_modified_name(GtkWidget *widget, gpointer data) { | ||
608 | wms_server_context_t *context = (wms_server_context_t*)data; | ||
609 | |||
610 | char *name = (char*)gtk_entry_get_text(GTK_ENTRY(widget)); | ||
611 | |||
612 | /* name must not contain some special chars */ | ||
613 | gboolean ok = TRUE; | ||
614 | |||
615 | /* search all entries except the last (which is the one we are editing) */ | ||
616 | wms_server_t *server = context->appdata->settings->wms_server; | ||
617 | while(server && server->next) { | ||
618 | if(strcasecmp(server->name, name) == 0) ok = FALSE; | ||
619 | server = server->next; | ||
620 | } | ||
621 | |||
622 | GtkWidget *toplevel = gtk_widget_get_toplevel(widget); | ||
623 | /* toplevel is a dialog only of dialog has been realized */ | ||
624 | if(GTK_IS_DIALOG(toplevel)) | ||
625 | gtk_dialog_set_response_sensitive( | ||
626 | GTK_DIALOG(gtk_widget_get_toplevel(widget)), | ||
627 | GTK_RESPONSE_ACCEPT, ok); | ||
628 | } | ||
629 | |||
630 | /* edit url and path of a given wms server entry */ | ||
631 | gboolean wms_server_edit(wms_server_context_t *context, gboolean edit_name, | ||
632 | wms_server_t *wms_server) { | ||
633 | harbaum | 167 | GtkWidget *dialog = |
634 | misc_dialog_new(MISC_DIALOG_WIDE, _("Edit WMS Server"), | ||
635 | GTK_WINDOW(context->dialog), | ||
636 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | ||
637 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, | ||
638 | NULL); | ||
639 | harbaum | 14 | |
640 | gtk_dialog_set_default_response(GTK_DIALOG(dialog), | ||
641 | GTK_RESPONSE_ACCEPT); | ||
642 | |||
643 | GtkWidget *label, *name, *server, *path; | ||
644 | GtkWidget *table = gtk_table_new(2, 3, FALSE); | ||
645 | |||
646 | gtk_table_attach(GTK_TABLE(table), | ||
647 | label = gtk_label_new(_("Name:")), 0, 1, 0, 1, | ||
648 | GTK_FILL, 0, 0, 0); | ||
649 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); | ||
650 | gtk_table_attach_defaults(GTK_TABLE(table), | ||
651 | harbaum | 315 | name = entry_new(), 1, 2, 0, 1); |
652 | harbaum | 14 | gtk_entry_set_activates_default(GTK_ENTRY(name), TRUE); |
653 | HILDON_ENTRY_NO_AUTOCAP(name); | ||
654 | gtk_widget_set_sensitive(GTK_WIDGET(name), edit_name); | ||
655 | g_signal_connect(G_OBJECT(name), "changed", | ||
656 | G_CALLBACK(callback_modified_name), context); | ||
657 | |||
658 | gtk_table_attach(GTK_TABLE(table), | ||
659 | label = gtk_label_new(_("Server:")), 0, 1, 1, 2, | ||
660 | GTK_FILL, 0, 0, 0); | ||
661 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); | ||
662 | gtk_table_attach_defaults(GTK_TABLE(table), | ||
663 | harbaum | 315 | server = entry_new(), 1, 2, 1, 2); |
664 | harbaum | 14 | gtk_entry_set_activates_default(GTK_ENTRY(server), TRUE); |
665 | HILDON_ENTRY_NO_AUTOCAP(server); | ||
666 | |||
667 | gtk_table_attach(GTK_TABLE(table), | ||
668 | label = gtk_label_new(_("Path:")), 0, 1, 2, 3, | ||
669 | GTK_FILL, 0, 0, 0); | ||
670 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); | ||
671 | gtk_table_attach_defaults(GTK_TABLE(table), | ||
672 | harbaum | 315 | path = entry_new(), 1, 2, 2, 3); |
673 | harbaum | 14 | gtk_entry_set_activates_default(GTK_ENTRY(path), TRUE); |
674 | HILDON_ENTRY_NO_AUTOCAP(path); | ||
675 | |||
676 | gtk_entry_set_text(GTK_ENTRY(name), wms_server->name); | ||
677 | gtk_entry_set_text(GTK_ENTRY(server), wms_server->server); | ||
678 | gtk_entry_set_text(GTK_ENTRY(path), wms_server->path); | ||
679 | |||
680 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), table); | ||
681 | |||
682 | gtk_widget_show_all(dialog); | ||
683 | |||
684 | if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(dialog))) { | ||
685 | if(edit_name) { | ||
686 | GtkTreeSelection *selection; | ||
687 | GtkTreeModel *model; | ||
688 | GtkTreeIter iter; | ||
689 | harbaum | 146 | selection = list_get_selection(context->list); |
690 | harbaum | 14 | gtk_tree_selection_get_selected(selection, &model, &iter); |
691 | gtk_list_store_set(context->store, &iter, | ||
692 | WMS_SERVER_COL_NAME, wms_server->name, | ||
693 | -1); | ||
694 | |||
695 | g_free(wms_server->name); | ||
696 | wms_server->name = strdup((char*)gtk_entry_get_text(GTK_ENTRY(name))); | ||
697 | } | ||
698 | |||
699 | g_free(wms_server->server); | ||
700 | wms_server->server = strdup((char*)gtk_entry_get_text(GTK_ENTRY(server))); | ||
701 | g_free(wms_server->path); | ||
702 | wms_server->path = strdup((char*)gtk_entry_get_text(GTK_ENTRY(path))); | ||
703 | printf("setting %s/%s\n", wms_server->server, wms_server->path); | ||
704 | |||
705 | /* set texts below */ | ||
706 | gtk_label_set_text(GTK_LABEL(context->server_label), wms_server->server); | ||
707 | gtk_label_set_text(GTK_LABEL(context->path_label), wms_server->path); | ||
708 | |||
709 | gtk_widget_destroy(dialog); | ||
710 | |||
711 | return TRUE; | ||
712 | } | ||
713 | |||
714 | gtk_widget_destroy(dialog); | ||
715 | return FALSE; | ||
716 | } | ||
717 | |||
718 | /* user clicked "edit..." button in the wms server list */ | ||
719 | static void on_server_edit(GtkWidget *but, wms_server_context_t *context) { | ||
720 | GtkTreeSelection *selection; | ||
721 | GtkTreeModel *model; | ||
722 | GtkTreeIter iter; | ||
723 | |||
724 | harbaum | 146 | selection = list_get_selection(context->list); |
725 | harbaum | 14 | if(gtk_tree_selection_get_selected(selection, &model, &iter)) { |
726 | wms_server_t *server = NULL; | ||
727 | gtk_tree_model_get(model, &iter, WMS_SERVER_COL_DATA, &server, -1); | ||
728 | g_assert(server); | ||
729 | |||
730 | wms_server_edit(context, FALSE, server); | ||
731 | } | ||
732 | } | ||
733 | |||
734 | /* user clicked "add..." button in the wms server list */ | ||
735 | static void on_server_add(GtkWidget *but, wms_server_context_t *context) { | ||
736 | |||
737 | /* attach a new server item to the chain */ | ||
738 | wms_server_t **prev = &context->appdata->settings->wms_server; | ||
739 | while(*prev) prev = &(*prev)->next; | ||
740 | |||
741 | *prev = g_new0(wms_server_t, 1); | ||
742 | (*prev)->name = g_strdup("<service name>"); | ||
743 | (*prev)->server = g_strdup("<server url>"); | ||
744 | (*prev)->path = g_strdup("<path in server>"); | ||
745 | |||
746 | harbaum | 146 | GtkTreeModel *model = list_get_model(context->list); |
747 | harbaum | 14 | |
748 | GtkTreeIter iter; | ||
749 | gtk_list_store_append(GTK_LIST_STORE(model), &iter); | ||
750 | gtk_list_store_set(GTK_LIST_STORE(model), &iter, | ||
751 | WMS_SERVER_COL_NAME, (*prev)->name, | ||
752 | WMS_SERVER_COL_DATA, *prev, | ||
753 | -1); | ||
754 | |||
755 | harbaum | 146 | GtkTreeSelection *selection = list_get_selection(context->list); |
756 | harbaum | 14 | gtk_tree_selection_select_iter(selection, &iter); |
757 | |||
758 | if(!wms_server_edit(context, TRUE, *prev)) { | ||
759 | /* user has cancelled request. remove newly added item */ | ||
760 | printf("user clicked cancel\n"); | ||
761 | |||
762 | wms_server_free(*prev); | ||
763 | *prev = NULL; | ||
764 | |||
765 | gtk_list_store_remove(GTK_LIST_STORE(model), &iter); | ||
766 | } else | ||
767 | /* update name from edit result */ | ||
768 | gtk_list_store_set(GTK_LIST_STORE(model), &iter, | ||
769 | WMS_SERVER_COL_NAME, (*prev)->name, | ||
770 | -1); | ||
771 | |||
772 | wms_server_selected(context, *prev); | ||
773 | } | ||
774 | |||
775 | /* widget to select a wms server from a list */ | ||
776 | static GtkWidget *wms_server_widget(wms_server_context_t *context) { | ||
777 | |||
778 | harbaum | 148 | context->list = list_new(LIST_HILDON_WITHOUT_HEADERS); |
779 | harbaum | 14 | |
780 | harbaum | 146 | list_set_selection_function(context->list, wms_server_selection_func, |
781 | context); | ||
782 | harbaum | 14 | |
783 | harbaum | 146 | list_set_columns(context->list, |
784 | harbaum | 148 | _("Name"), WMS_SERVER_COL_NAME, LIST_FLAG_ELLIPSIZE, |
785 | harbaum | 146 | NULL); |
786 | harbaum | 14 | |
787 | /* build and fill the store */ | ||
788 | context->store = gtk_list_store_new(WMS_SERVER_NUM_COLS, | ||
789 | G_TYPE_STRING, G_TYPE_POINTER); | ||
790 | |||
791 | harbaum | 146 | list_set_store(context->list, context->store); |
792 | harbaum | 14 | |
793 | GtkTreeIter iter; | ||
794 | wms_server_t *wms_server = context->appdata->settings->wms_server; | ||
795 | while(wms_server) { | ||
796 | /* Append a row and fill in some data */ | ||
797 | gtk_list_store_append(context->store, &iter); | ||
798 | gtk_list_store_set(context->store, &iter, | ||
799 | WMS_SERVER_COL_NAME, wms_server->name, | ||
800 | WMS_SERVER_COL_DATA, wms_server, | ||
801 | -1); | ||
802 | |||
803 | wms_server = wms_server->next; | ||
804 | } | ||
805 | |||
806 | g_object_unref(context->store); | ||
807 | |||
808 | harbaum | 315 | list_set_static_buttons(context->list, 0, |
809 | harbaum | 266 | G_CALLBACK(on_server_add), G_CALLBACK(on_server_edit), |
810 | G_CALLBACK(on_server_remove), context); | ||
811 | harbaum | 14 | |
812 | harbaum | 146 | return context->list; |
813 | harbaum | 14 | } |
814 | |||
815 | harbaum | 1 | static gboolean wms_server_dialog(appdata_t *appdata, wms_t *wms) { |
816 | gboolean ok = FALSE; | ||
817 | |||
818 | harbaum | 14 | wms_server_context_t *context = g_new0(wms_server_context_t, 1); |
819 | context->appdata = appdata; | ||
820 | context->wms = wms; | ||
821 | |||
822 | harbaum | 167 | context->dialog = |
823 | misc_dialog_new(MISC_DIALOG_MEDIUM, _("WMS Server Selection"), | ||
824 | GTK_WINDOW(appdata->window), | ||
825 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | ||
826 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, | ||
827 | NULL); | ||
828 | harbaum | 1 | |
829 | harbaum | 14 | /* server selection box */ |
830 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), | ||
831 | wms_server_widget(context)); | ||
832 | |||
833 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), | ||
834 | gtk_hseparator_new(), FALSE, FALSE, 0); | ||
835 | |||
836 | harbaum | 1 | GtkWidget *label; |
837 | GtkWidget *table = gtk_table_new(2, 2, FALSE); // x, y | ||
838 | harbaum | 14 | gtk_table_set_col_spacing(GTK_TABLE(table), 0, 10); |
839 | harbaum | 1 | |
840 | label = gtk_label_new(_("Server:")); | ||
841 | harbaum | 14 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); |
842 | gtk_table_attach(GTK_TABLE(table), label, 0, 1, 0, 1, GTK_FILL, 0,0,0); | ||
843 | context->server_label = gtk_label_new(""); | ||
844 | gtk_label_set_ellipsize(GTK_LABEL(context->server_label), | ||
845 | PANGO_ELLIPSIZE_MIDDLE); | ||
846 | gtk_misc_set_alignment(GTK_MISC(context->server_label), 0.f, 0.5f); | ||
847 | gtk_table_attach_defaults(GTK_TABLE(table), context->server_label, | ||
848 | 1, 2, 0, 1); | ||
849 | harbaum | 1 | |
850 | label = gtk_label_new(_("Path:")); | ||
851 | harbaum | 14 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, 0.5f); |
852 | gtk_table_attach(GTK_TABLE(table), label, 0, 1, 1, 2, GTK_FILL, 0,0,0); | ||
853 | context->path_label = gtk_label_new(""); | ||
854 | gtk_label_set_ellipsize(GTK_LABEL(context->path_label), | ||
855 | PANGO_ELLIPSIZE_MIDDLE); | ||
856 | gtk_misc_set_alignment(GTK_MISC(context->path_label), 0.f, 0.5f); | ||
857 | gtk_table_attach_defaults(GTK_TABLE(table), context->path_label, | ||
858 | 1, 2, 1, 2); | ||
859 | harbaum | 1 | |
860 | harbaum | 14 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), |
861 | table, FALSE, FALSE, 0); | ||
862 | |||
863 | |||
864 | wms_server_selected(context, NULL); | ||
865 | |||
866 | gtk_widget_show_all(context->dialog); | ||
867 | harbaum | 1 | |
868 | harbaum | 14 | if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(context->dialog))) { |
869 | wms_server_t *server = get_selection(context); | ||
870 | if(server) { | ||
871 | /* fetch parameters from selected entry */ | ||
872 | printf("WMS: using %s\n", server->name); | ||
873 | if(wms->server) g_free(wms->server); | ||
874 | wms->server = g_strdup(server->server); | ||
875 | if(wms->path) g_free(wms->path); | ||
876 | wms->path = g_strdup(server->path); | ||
877 | ok = TRUE; | ||
878 | } else { | ||
879 | if(wms->server && wms->path) | ||
880 | ok = TRUE; | ||
881 | |||
882 | } | ||
883 | harbaum | 1 | } |
884 | |||
885 | harbaum | 14 | gtk_widget_destroy(context->dialog); |
886 | harbaum | 1 | |
887 | harbaum | 14 | g_free(context); |
888 | harbaum | 1 | return ok; |
889 | } | ||
890 | |||
891 | enum { | ||
892 | LAYER_COL_TITLE = 0, | ||
893 | LAYER_COL_SELECTED, | ||
894 | LAYER_COL_FITS, | ||
895 | LAYER_COL_DATA, | ||
896 | LAYER_NUM_COLS | ||
897 | }; | ||
898 | |||
899 | static void | ||
900 | layer_toggled(GtkCellRendererToggle *cell, const gchar *path_str, | ||
901 | GtkListStore *store) { | ||
902 | GtkTreePath *path; | ||
903 | GtkTreeIter iter; | ||
904 | |||
905 | path = gtk_tree_path_new_from_string(path_str); | ||
906 | gtk_tree_model_get_iter(GTK_TREE_MODEL(store), &iter, path); | ||
907 | |||
908 | /* get current enabled flag */ | ||
909 | gboolean enabled; | ||
910 | gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, | ||
911 | LAYER_COL_SELECTED, &enabled, -1); | ||
912 | |||
913 | /* change it and store it */ | ||
914 | enabled = !enabled; | ||
915 | gtk_list_store_set(store, &iter, LAYER_COL_SELECTED, enabled, -1); | ||
916 | |||
917 | /* and store it in the layer itself */ | ||
918 | wms_layer_t *layer = NULL; | ||
919 | gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, LAYER_COL_DATA, &layer, -1); | ||
920 | layer->selected = enabled; | ||
921 | |||
922 | /* walk the entire store to get all values */ | ||
923 | if(gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) { | ||
924 | gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, | ||
925 | LAYER_COL_SELECTED, &enabled, -1); | ||
926 | |||
927 | while(gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter) && | ||
928 | !enabled) | ||
929 | gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, | ||
930 | LAYER_COL_SELECTED, &enabled, -1); | ||
931 | } | ||
932 | |||
933 | GtkWidget *dialog = g_object_get_data(G_OBJECT(store), "dialog"); | ||
934 | gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog), | ||
935 | GTK_RESPONSE_ACCEPT, enabled); | ||
936 | |||
937 | gtk_tree_path_free(path); | ||
938 | } | ||
939 | |||
940 | static GtkWidget *wms_layer_widget(appdata_t *appdata, wms_layer_t *layer, | ||
941 | GtkWidget *dialog) { | ||
942 | harbaum | 314 | |
943 | #ifndef FREMANTLE_PANNABLE_AREA | ||
944 | harbaum | 1 | GtkWidget *view = gtk_tree_view_new(); |
945 | harbaum | 314 | #else |
946 | GtkWidget *view = hildon_gtk_tree_view_new(HILDON_UI_MODE_EDIT); | ||
947 | #endif | ||
948 | harbaum | 1 | |
949 | /* build the store */ | ||
950 | GtkListStore *store = gtk_list_store_new(LAYER_NUM_COLS, | ||
951 | G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN, G_TYPE_POINTER); | ||
952 | |||
953 | g_object_set_data(G_OBJECT(store), "dialog", dialog); | ||
954 | |||
955 | /* --- "selected" column --- */ | ||
956 | GtkCellRenderer *renderer = gtk_cell_renderer_toggle_new(); | ||
957 | g_signal_connect(renderer, "toggled", G_CALLBACK(layer_toggled), store); | ||
958 | gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view), | ||
959 | -1, _(""), renderer, | ||
960 | "active", LAYER_COL_SELECTED, | ||
961 | harbaum | 180 | "sensitive", LAYER_COL_FITS, |
962 | harbaum | 1 | "activatable", LAYER_COL_FITS, |
963 | NULL); | ||
964 | |||
965 | /* --- "Title" column --- */ | ||
966 | renderer = gtk_cell_renderer_text_new(); | ||
967 | g_object_set(renderer, "ellipsize", PANGO_ELLIPSIZE_END, NULL ); | ||
968 | GtkTreeViewColumn *column = gtk_tree_view_column_new_with_attributes( | ||
969 | _("Title"), renderer, | ||
970 | "text", LAYER_COL_TITLE, | ||
971 | harbaum | 180 | "sensitive", LAYER_COL_FITS, |
972 | harbaum | 1 | NULL); |
973 | |||
974 | gtk_tree_view_column_set_expand(column, TRUE); | ||
975 | gtk_tree_view_insert_column(GTK_TREE_VIEW(view), column, -1); | ||
976 | |||
977 | gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store)); | ||
978 | |||
979 | GtkTreeIter iter; | ||
980 | while(layer) { | ||
981 | gboolean fits = wms_llbbox_fits(appdata->project, &layer->llbbox); | ||
982 | |||
983 | /* Append a row and fill in some data */ | ||
984 | gtk_list_store_append(store, &iter); | ||
985 | gtk_list_store_set(store, &iter, | ||
986 | LAYER_COL_SELECTED, FALSE, | ||
987 | LAYER_COL_TITLE, layer->title, | ||
988 | LAYER_COL_FITS, fits, | ||
989 | LAYER_COL_DATA, layer, | ||
990 | -1); | ||
991 | layer = layer->next; | ||
992 | } | ||
993 | |||
994 | g_object_unref(store); | ||
995 | |||
996 | harbaum | 314 | #ifndef FREMANTLE_PANNABLE_AREA |
997 | harbaum | 1 | /* put it into a scrolled window */ |
998 | GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL); | ||
999 | gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), | ||
1000 | GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); | ||
1001 | gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), | ||
1002 | GTK_SHADOW_ETCHED_IN); | ||
1003 | gtk_container_add(GTK_CONTAINER(scrolled_window), view); | ||
1004 | return scrolled_window; | ||
1005 | harbaum | 314 | #else |
1006 | /* put view into a pannable area */ | ||
1007 | GtkWidget *pannable_area = hildon_pannable_area_new(); | ||
1008 | gtk_container_add(GTK_CONTAINER(pannable_area), view); | ||
1009 | return pannable_area; | ||
1010 | #endif | ||
1011 | harbaum | 1 | } |
1012 | |||
1013 | |||
1014 | static gboolean wms_layer_dialog(appdata_t *appdata, wms_layer_t *layer) { | ||
1015 | gboolean ok = FALSE; | ||
1016 | |||
1017 | harbaum | 167 | GtkWidget *dialog = |
1018 | misc_dialog_new(MISC_DIALOG_LARGE, _("WMS layer selection"), | ||
1019 | GTK_WINDOW(appdata->window), | ||
1020 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | ||
1021 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, | ||
1022 | NULL); | ||
1023 | harbaum | 1 | |
1024 | gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog), | ||
1025 | GTK_RESPONSE_ACCEPT, FALSE); | ||
1026 | |||
1027 | /* layer list */ | ||
1028 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), | ||
1029 | wms_layer_widget(appdata, layer, dialog)); | ||
1030 | |||
1031 | |||
1032 | gtk_widget_show_all(dialog); | ||
1033 | |||
1034 | if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(dialog))) | ||
1035 | ok = TRUE; | ||
1036 | |||
1037 | gtk_widget_destroy(dialog); | ||
1038 | |||
1039 | return ok; | ||
1040 | } | ||
1041 | |||
1042 | static gboolean wms_one_layer_is_usable(project_t *project, | ||
1043 | wms_layer_t *layer) { | ||
1044 | gboolean ok = FALSE; | ||
1045 | |||
1046 | while(layer) { | ||
1047 | if(layer->name && layer->epsg4326 && layer->llbbox.valid) | ||
1048 | ok = TRUE; | ||
1049 | |||
1050 | printf("----- Layer \"%s\" -----\n", layer->title); | ||
1051 | printf("Name: %s\n", layer->name); | ||
1052 | printf("epsg4326: %s\n", layer->epsg4326?"yes":"no"); | ||
1053 | if(layer->llbbox.valid) { | ||
1054 | printf("llbbox: %f/%f %f/%f\n", | ||
1055 | layer->llbbox.min.lat, layer->llbbox.min.lon, | ||
1056 | layer->llbbox.max.lat, layer->llbbox.max.lon); | ||
1057 | |||
1058 | printf("llbbox fits project: %s\n", | ||
1059 | wms_llbbox_fits(project, &layer->llbbox)?"yes":"no"); | ||
1060 | } else | ||
1061 | printf("llbbox: none/invalid\n"); | ||
1062 | |||
1063 | layer = layer->next; | ||
1064 | } | ||
1065 | |||
1066 | return ok; | ||
1067 | } | ||
1068 | |||
1069 | void wms_import(appdata_t *appdata) { | ||
1070 | if(!appdata->project) { | ||
1071 | errorf(GTK_WIDGET(appdata->window), | ||
1072 | _("Need an open project to derive WMS coordinates")); | ||
1073 | return; | ||
1074 | } | ||
1075 | |||
1076 | /* this cancels any wms adjustment in progress */ | ||
1077 | if(appdata->map->action.type == MAP_ACTION_BG_ADJUST) | ||
1078 | map_action_cancel(appdata); | ||
1079 | |||
1080 | wms_t *wms = g_new0(wms_t,1); | ||
1081 | wms->server = g_strdup(appdata->project->wms_server); | ||
1082 | wms->path = g_strdup(appdata->project->wms_path); | ||
1083 | |||
1084 | /* reset any background adjustments in the project ... */ | ||
1085 | if((appdata->project->wms_offset.x != 0)|| | ||
1086 | (appdata->project->wms_offset.y != 0)) { | ||
1087 | |||
1088 | appdata->project->wms_offset.x = 0; | ||
1089 | appdata->project->wms_offset.y = 0; | ||
1090 | } | ||
1091 | |||
1092 | /* ... as well as in the map */ | ||
1093 | appdata->map->bg.offset.x = 0; | ||
1094 | appdata->map->bg.offset.y = 0; | ||
1095 | |||
1096 | /* get server from dialog */ | ||
1097 | if(!wms_server_dialog(appdata, wms)) { | ||
1098 | wms_free(wms); | ||
1099 | return; | ||
1100 | } | ||
1101 | |||
1102 | /* ------------- copy values back into project ---------------- */ | ||
1103 | harbaum | 75 | if(!appdata->project->wms_server || |
1104 | strcmp(appdata->project->wms_server, wms->server) != 0) { | ||
1105 | if(appdata->project->wms_server) | ||
1106 | g_free(appdata->project->wms_server); | ||
1107 | harbaum | 1 | appdata->project->wms_server = g_strdup(wms->server); |
1108 | } | ||
1109 | |||
1110 | harbaum | 75 | if(!appdata->project->wms_path || |
1111 | strcmp(appdata->project->wms_path, wms->path) != 0) { | ||
1112 | if(appdata->project->wms_path) | ||
1113 | g_free(appdata->project->wms_path); | ||
1114 | harbaum | 1 | appdata->project->wms_path = g_strdup(wms->path); |
1115 | } | ||
1116 | |||
1117 | /* ----------- request capabilities -------------- */ | ||
1118 | gboolean path_contains_qm = (strchr(wms->path, '?') != NULL); | ||
1119 | gboolean path_ends_with_special = | ||
1120 | (wms->path[strlen(wms->path)-1] == '?') || | ||
1121 | (wms->path[strlen(wms->path)-1] == '&'); | ||
1122 | |||
1123 | /* if there's already a question mark, then add further */ | ||
1124 | /* parameters using the &, else use the ? */ | ||
1125 | char *append_char = path_ends_with_special?"":(path_contains_qm?"&":"?"); | ||
1126 | |||
1127 | char *url = g_strdup_printf("%s%s" | ||
1128 | "%sSERVICE=wms" | ||
1129 | harbaum | 14 | // "&WMTVER=1.1.1" |
1130 | "&VERSION=1.1.1" | ||
1131 | harbaum | 1 | "&REQUEST=GetCapabilities", |
1132 | wms->server, wms->path, append_char); | ||
1133 | |||
1134 | harbaum | 7 | char *cap = NULL; |
1135 | harbaum | 169 | net_io_download_mem(GTK_WIDGET(appdata->window), appdata->settings, |
1136 | url, &cap); | ||
1137 | harbaum | 1 | g_free(url); |
1138 | |||
1139 | /* ----------- parse capabilities -------------- */ | ||
1140 | |||
1141 | if(!cap) { | ||
1142 | errorf(GTK_WIDGET(appdata->window), | ||
1143 | _("WMS download failed:\n\n" | ||
1144 | "GetCapabilities failed")); | ||
1145 | } else { | ||
1146 | xmlDoc *doc = NULL; | ||
1147 | |||
1148 | LIBXML_TEST_VERSION; | ||
1149 | |||
1150 | /* parse the file and get the DOM */ | ||
1151 | if((doc = xmlReadMemory(cap, strlen(cap), NULL, NULL, 0)) == NULL) { | ||
1152 | xmlErrorPtr errP = xmlGetLastError(); | ||
1153 | errorf(GTK_WIDGET(appdata->window), | ||
1154 | _("WMS download failed:\n\n" | ||
1155 | "XML error while parsing capabilities:\n" | ||
1156 | "%s"), errP->message); | ||
1157 | } else { | ||
1158 | printf("ok, parse doc tree\n"); | ||
1159 | |||
1160 | wms_cap_parse_doc(wms, doc); | ||
1161 | } | ||
1162 | |||
1163 | g_free(cap); | ||
1164 | } | ||
1165 | |||
1166 | /* ------------ basic checks ------------- */ | ||
1167 | |||
1168 | if(!wms->cap || !wms->service || !wms->cap->layer || | ||
1169 | !wms->cap->request || !wms->cap->request->getmap) { | ||
1170 | errorf(GTK_WIDGET(appdata->window), _("Incomplete/unexpected reply!")); | ||
1171 | wms_free(wms); | ||
1172 | return; | ||
1173 | } | ||
1174 | |||
1175 | if(!wms->cap->request->getmap->format) { | ||
1176 | errorf(GTK_WIDGET(appdata->window), _("No supported image format found.")); | ||
1177 | wms_free(wms); | ||
1178 | return; | ||
1179 | } | ||
1180 | |||
1181 | /* ---------- evaluate layers ----------- */ | ||
1182 | |||
1183 | wms_layer_t *layer = wms_get_requestable_layers(wms); | ||
1184 | gboolean at_least_one_ok = wms_one_layer_is_usable(appdata->project, layer); | ||
1185 | |||
1186 | if(!at_least_one_ok) { | ||
1187 | errorf(GTK_WIDGET(appdata->window), | ||
1188 | harbaum | 296 | _("Server provides no data in the required format!\n\n" |
1189 | harbaum | 1 | "(epsg4326 and LatLonBoundingBox are mandatory for osm2go)")); |
1190 | harbaum | 297 | #if 0 |
1191 | harbaum | 1 | wms_layer_free(layer); |
1192 | wms_free(wms); | ||
1193 | return; | ||
1194 | harbaum | 297 | #endif |
1195 | harbaum | 1 | } |
1196 | |||
1197 | if(!wms_layer_dialog(appdata, layer)) { | ||
1198 | wms_layer_free(layer); | ||
1199 | wms_free(wms); | ||
1200 | return; | ||
1201 | } | ||
1202 | |||
1203 | /* --------- build getmap request ----------- */ | ||
1204 | |||
1205 | /* get required image size */ | ||
1206 | wms_setup_extent(appdata->project, wms); | ||
1207 | |||
1208 | /* start building url */ | ||
1209 | url = g_strdup_printf("%s%s" | ||
1210 | "%sSERVICE=wms" | ||
1211 | harbaum | 14 | // "&WMTVER=1.1.1" |
1212 | "&VERSION=1.1.1" | ||
1213 | harbaum | 1 | "&REQUEST=GetMap" |
1214 | "&LAYERS=", | ||
1215 | wms->server, wms->path, append_char); | ||
1216 | |||
1217 | /* append layers */ | ||
1218 | char *old; | ||
1219 | wms_layer_t *t = layer; | ||
1220 | gint cnt = 0; | ||
1221 | while(t) { | ||
1222 | if(t->selected) { | ||
1223 | old = url; | ||
1224 | url = g_strconcat(url, (!cnt)?"":",", t->name, NULL); | ||
1225 | g_free(old); | ||
1226 | cnt++; | ||
1227 | } | ||
1228 | t = t->next; | ||
1229 | } | ||
1230 | harbaum | 297 | |
1231 | /* uses epsg4326 if possible */ | ||
1232 | char *srs = NULL; | ||
1233 | if(layer->epsg4326) | ||
1234 | srs = g_strdup("EPSG:4326"); | ||
1235 | else if(layer->srs) | ||
1236 | srs = g_strdup(layer->srs); | ||
1237 | |||
1238 | harbaum | 1 | wms_layer_free(layer); |
1239 | |||
1240 | /* append styles entry */ | ||
1241 | old = url; | ||
1242 | url = g_strconcat(url, "&STYLES=", NULL); | ||
1243 | g_free(old); | ||
1244 | |||
1245 | while(--cnt) { | ||
1246 | old = url; | ||
1247 | url = g_strconcat(url, ",", NULL); | ||
1248 | g_free(old); | ||
1249 | } | ||
1250 | |||
1251 | /* and append rest */ | ||
1252 | char minlon[G_ASCII_DTOSTR_BUF_SIZE], minlat[G_ASCII_DTOSTR_BUF_SIZE]; | ||
1253 | char maxlon[G_ASCII_DTOSTR_BUF_SIZE], maxlat[G_ASCII_DTOSTR_BUF_SIZE]; | ||
1254 | |||
1255 | harbaum | 14 | /* build strings of min and max lat and lon to be used in url */ |
1256 | harbaum | 156 | g_ascii_formatd(minlon, sizeof(minlon), LL_FORMAT, |
1257 | appdata->project->min.lon); | ||
1258 | g_ascii_formatd(minlat, sizeof(minlat), LL_FORMAT, | ||
1259 | appdata->project->min.lat); | ||
1260 | g_ascii_formatd(maxlon, sizeof(maxlon), LL_FORMAT, | ||
1261 | appdata->project->max.lon); | ||
1262 | g_ascii_formatd(maxlat, sizeof(maxlat), LL_FORMAT, | ||
1263 | appdata->project->max.lat); | ||
1264 | harbaum | 1 | |
1265 | harbaum | 14 | /* find preferred supported video format */ |
1266 | harbaum | 1 | gint format = 0; |
1267 | while(!(wms->cap->request->getmap->format & (1<<format))) | ||
1268 | format++; | ||
1269 | |||
1270 | const char *formats[] = { "image/jpg", "image/jpeg", | ||
1271 | "image/png", "image/gif" }; | ||
1272 | |||
1273 | harbaum | 14 | /* build complete url */ |
1274 | harbaum | 1 | old = url; |
1275 | harbaum | 297 | |
1276 | #if 0 | ||
1277 | harbaum | 1 | url = g_strdup_printf("%s&SRS=EPSG:4326&BBOX=%s,%s,%s,%s" |
1278 | harbaum | 14 | "&WIDTH=%d&HEIGHT=%d&FORMAT=%s" |
1279 | "&reaspect=false", url, | ||
1280 | harbaum | 1 | minlon, minlat, maxlon, maxlat, wms->width, |
1281 | wms->height, formats[format]); | ||
1282 | harbaum | 297 | #endif |
1283 | url = g_strdup_printf("%s&SRS=%s&BBOX=%s,%s,%s,%s" | ||
1284 | "&WIDTH=%d&HEIGHT=%d&FORMAT=%s" | ||
1285 | "&reaspect=false", url, srs, | ||
1286 | minlon, minlat, maxlon, maxlat, wms->width, | ||
1287 | wms->height, formats[format]); | ||
1288 | if(srs) g_free(srs); | ||
1289 | harbaum | 1 | g_free(old); |
1290 | |||
1291 | const char *exts[] = { "jpg", "jpg", "png", "gif" }; | ||
1292 | char *filename = g_strdup_printf("%s/wms.%s", appdata->project->path, | ||
1293 | exts[format]); | ||
1294 | |||
1295 | |||
1296 | /* remove any existing image before */ | ||
1297 | wms_remove(appdata); | ||
1298 | |||
1299 | harbaum | 169 | if(!net_io_download_file(GTK_WIDGET(appdata->window), appdata->settings, |
1300 | url, filename)) { | ||
1301 | harbaum | 1 | g_free(filename); |
1302 | g_free(url); | ||
1303 | wms_free(wms); | ||
1304 | return; | ||
1305 | } | ||
1306 | |||
1307 | /* there should be a matching file on disk now */ | ||
1308 | map_set_bg_image(appdata->map, filename); | ||
1309 | |||
1310 | g_free(filename); | ||
1311 | g_free(url); | ||
1312 | |||
1313 | /* --------- free wms structure -----------------*/ | ||
1314 | wms_free(wms); | ||
1315 | |||
1316 | gtk_widget_set_sensitive(appdata->menu_item_wms_clear, TRUE); | ||
1317 | gtk_widget_set_sensitive(appdata->menu_item_wms_adjust, TRUE); | ||
1318 | } | ||
1319 | |||
1320 | /* try to load an existing image into map */ | ||
1321 | void wms_load(appdata_t *appdata) { | ||
1322 | const char *exts[] = { "png", "gif", "jpg", "" }; | ||
1323 | int i=0; | ||
1324 | |||
1325 | while(exts[i][0]) { | ||
1326 | char *filename = g_strdup_printf("%s/wms.%s", appdata->project->path, | ||
1327 | exts[i]); | ||
1328 | |||
1329 | if(g_file_test(filename, G_FILE_TEST_EXISTS)) { | ||
1330 | appdata->map->bg.offset.x = appdata->project->wms_offset.x; | ||
1331 | appdata->map->bg.offset.y = appdata->project->wms_offset.y; | ||
1332 | |||
1333 | map_set_bg_image(appdata->map, filename); | ||
1334 | |||
1335 | /* restore image to saved position */ | ||
1336 | gint x = appdata->osm->bounds->min.x + appdata->map->bg.offset.x; | ||
1337 | gint y = appdata->osm->bounds->min.y + appdata->map->bg.offset.y; | ||
1338 | canvas_image_move(appdata->map->bg.item, x, y, | ||
1339 | appdata->map->bg.scale.x, appdata->map->bg.scale.y); | ||
1340 | |||
1341 | g_free(filename); | ||
1342 | |||
1343 | gtk_widget_set_sensitive(appdata->menu_item_wms_clear, TRUE); | ||
1344 | gtk_widget_set_sensitive(appdata->menu_item_wms_adjust, TRUE); | ||
1345 | |||
1346 | return; | ||
1347 | } | ||
1348 | g_free(filename); | ||
1349 | i++; | ||
1350 | } | ||
1351 | } | ||
1352 | |||
1353 | void wms_remove(appdata_t *appdata) { | ||
1354 | const char *exts[] = { "png", "gif", "jpg", "" }; | ||
1355 | int i=0; | ||
1356 | |||
1357 | /* this cancels any wms adjustment in progress */ | ||
1358 | if(appdata->map->action.type == MAP_ACTION_BG_ADJUST) | ||
1359 | map_action_cancel(appdata); | ||
1360 | |||
1361 | gtk_widget_set_sensitive(appdata->menu_item_wms_clear, FALSE); | ||
1362 | gtk_widget_set_sensitive(appdata->menu_item_wms_adjust, FALSE); | ||
1363 | |||
1364 | map_remove_bg_image(appdata->map); | ||
1365 | |||
1366 | while(exts[i][0]) { | ||
1367 | char *filename = g_strdup_printf("%s/wms.%s", appdata->project->path, | ||
1368 | exts[i]); | ||
1369 | |||
1370 | if(g_file_test(filename, G_FILE_TEST_EXISTS)) | ||
1371 | g_remove(filename); | ||
1372 | |||
1373 | g_free(filename); | ||
1374 | i++; | ||
1375 | } | ||
1376 | } | ||
1377 | |||
1378 | harbaum | 14 | struct server_preset_s { |
1379 | char *name, *server, *path; | ||
1380 | } default_servers[] = { | ||
1381 | { "NASA landsat", "http://onearth.jpl.nasa.gov", "/wms.cgi" }, | ||
1382 | /* add more servers here ... */ | ||
1383 | { NULL, NULL, NULL } | ||
1384 | }; | ||
1385 | |||
1386 | wms_server_t *wms_server_get_default(void) { | ||
1387 | wms_server_t *server = NULL, **cur = &server; | ||
1388 | struct server_preset_s *preset = default_servers; | ||
1389 | |||
1390 | while(preset->name) { | ||
1391 | *cur = g_new0(wms_server_t, 1); | ||
1392 | (*cur)->name = g_strdup(preset->name); | ||
1393 | (*cur)->server = g_strdup(preset->server); | ||
1394 | (*cur)->path = g_strdup(preset->path); | ||
1395 | cur = &(*cur)->next; | ||
1396 | preset++; | ||
1397 | } | ||
1398 | |||
1399 | return server; | ||
1400 | } | ||
1401 | |||
1402 | void wms_server_free(wms_server_t *wms_server) { | ||
1403 | if(wms_server->name) g_free(wms_server->name); | ||
1404 | if(wms_server->server) g_free(wms_server->server); | ||
1405 | if(wms_server->path) g_free(wms_server->path); | ||
1406 | g_free(wms_server); | ||
1407 | } | ||
1408 | |||
1409 | void wms_servers_free(wms_server_t *wms_server) { | ||
1410 | while(wms_server) { | ||
1411 | wms_server_t *next = wms_server->next; | ||
1412 | wms_server_free(wms_server); | ||
1413 | wms_server = next; | ||
1414 | } | ||
1415 | } |