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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 | /* --------------- relation dialog for an item (node or way) ----------- */ | ||
23 | |||
24 | typedef struct { | ||
25 | relation_item_t *item; | ||
26 | appdata_t *appdata; | ||
27 | GtkWidget *dialog, *view; | ||
28 | GtkListStore *store; | ||
29 | GtkWidget *but_add, *but_edit, *but_remove; | ||
30 | } relitem_context_t; | ||
31 | |||
32 | enum { | ||
33 | RELITEM_COL_SELECTED = 0, | ||
34 | RELITEM_COL_TYPE, | ||
35 | RELITEM_COL_ROLE, | ||
36 | RELITEM_COL_NAME, | ||
37 | RELITEM_COL_DATA, | ||
38 | RELITEM_NUM_COLS | ||
39 | }; | ||
40 | |||
41 | static void relation_list_selected(relitem_context_t *context, | ||
42 | gboolean selected) { | ||
43 | gtk_widget_set_sensitive(context->but_remove, FALSE); | ||
44 | gtk_widget_set_sensitive(context->but_edit, selected); | ||
45 | } | ||
46 | |||
47 | static gboolean | ||
48 | relation_list_selection_func(GtkTreeSelection *selection, GtkTreeModel *model, | ||
49 | GtkTreePath *path, gboolean path_currently_selected, | ||
50 | gpointer userdata) { | ||
51 | relitem_context_t *context = (relitem_context_t*)userdata; | ||
52 | GtkTreeIter iter; | ||
53 | |||
54 | if(gtk_tree_model_get_iter(model, &iter, path)) { | ||
55 | g_assert(gtk_tree_path_get_depth(path) == 1); | ||
56 | relation_list_selected(context, TRUE); | ||
57 | } | ||
58 | |||
59 | return TRUE; /* allow selection state to change */ | ||
60 | } | ||
61 | |||
62 | static void relation_remove_item(relation_t *relation, relation_item_t *item) { | ||
63 | |||
64 | printf("remove item of type %d from relation #%ld\n", | ||
65 | item->type, relation->id); | ||
66 | |||
67 | member_t **member = &relation->member; | ||
68 | while(*member) { | ||
69 | if(((*member)->type == item->type) && | ||
70 | (((item->type == NODE) && (item->node == (*member)->node)) || | ||
71 | ((item->type == WAY) && (item->way == (*member)->way)) || | ||
72 | ((item->type == RELATION) && (item->relation == (*member)->relation)))) { | ||
73 | |||
74 | member_t *next = (*member)->next; | ||
75 | osm_member_free(*member); | ||
76 | *member = next; | ||
77 | |||
78 | relation->flags |= OSM_FLAG_DIRTY; | ||
79 | |||
80 | return; | ||
81 | } else | ||
82 | member = &(*member)->next; | ||
83 | } | ||
84 | g_assert(0); | ||
85 | } | ||
86 | |||
87 | typedef struct role_chain_s { | ||
88 | char *role; | ||
89 | struct role_chain_s *next; | ||
90 | } role_chain_t; | ||
91 | |||
92 | static void relation_add_item(GtkWidget *parent, | ||
93 | relation_t *relation, relation_item_t *item) { | ||
94 | role_chain_t *chain = NULL, **chainP = &chain; | ||
95 | |||
96 | printf("add item of type %d to relation #%ld\n", | ||
97 | item->type, relation->id); | ||
98 | |||
99 | /* ask the user for the role of the new item in this relation */ | ||
100 | |||
101 | /* collect roles first */ | ||
102 | member_t *member = relation->member; | ||
103 | while(member) { | ||
104 | if(member->role) { | ||
105 | /* check if this role has already been saved */ | ||
106 | gboolean already_stored = FALSE; | ||
107 | role_chain_t *crole = chain; | ||
108 | while(crole) { | ||
109 | if(strcasecmp(crole->role, member->role) == 0) already_stored = TRUE; | ||
110 | crole = crole->next; | ||
111 | } | ||
112 | |||
113 | /* not stored yet: attach it */ | ||
114 | if(!already_stored) { | ||
115 | *chainP = g_new0(role_chain_t, 1); | ||
116 | (*chainP)->role = g_strdup(member->role); | ||
117 | chainP = &(*chainP)->next; | ||
118 | } | ||
119 | } | ||
120 | member = member->next; | ||
121 | } | ||
122 | |||
123 | /* ------------------ role dialog ---------------- */ | ||
124 | GtkWidget *dialog = gtk_dialog_new_with_buttons(_("Select role"), | ||
125 | GTK_WINDOW(parent), GTK_DIALOG_MODAL, | ||
126 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | ||
127 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, | ||
128 | NULL); | ||
129 | |||
130 | gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT); | ||
131 | |||
132 | char *type = osm_tag_get_by_key(relation->tag, "type"); | ||
133 | |||
134 | char *info_str = NULL; | ||
135 | if(type) info_str = g_strdup_printf(_("In relation of type: %s"), type); | ||
136 | else info_str = g_strdup_printf(_("In relation #%ld"), relation->id); | ||
137 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), | ||
138 | gtk_label_new(info_str)); | ||
139 | g_free(info_str); | ||
140 | |||
141 | char *name = osm_tag_get_by_key(relation->tag, "name"); | ||
142 | if(name) | ||
143 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), | ||
144 | gtk_label_new(name)); | ||
145 | |||
146 | GtkWidget *hbox = gtk_hbox_new(FALSE, 8); | ||
147 | gtk_box_pack_start_defaults(GTK_BOX(hbox), gtk_label_new(_("Role:"))); | ||
148 | |||
149 | GtkWidget *entry = NULL; | ||
150 | if(chain) { | ||
151 | entry = gtk_combo_box_entry_new_text(); | ||
152 | |||
153 | /* fill combo box with presets */ | ||
154 | while(chain) { | ||
155 | role_chain_t *next = chain->next; | ||
156 | gtk_combo_box_append_text(GTK_COMBO_BOX(entry), chain->role); | ||
157 | g_free(chain); | ||
158 | chain = next; | ||
159 | } | ||
160 | } else | ||
161 | entry = gtk_entry_new(); | ||
162 | |||
163 | gtk_box_pack_start_defaults(GTK_BOX(hbox), entry); | ||
164 | gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox); | ||
165 | |||
166 | gtk_widget_show_all(dialog); | ||
167 | if(GTK_RESPONSE_ACCEPT != gtk_dialog_run(GTK_DIALOG(dialog))) { | ||
168 | printf("user clicked cancel\n"); | ||
169 | gtk_widget_destroy(dialog); | ||
170 | return; | ||
171 | } | ||
172 | |||
173 | printf("user clicked ok\n"); | ||
174 | |||
175 | /* get role from dialog */ | ||
176 | char *ptr = NULL; | ||
177 | |||
178 | if(GTK_IS_COMBO_BOX(entry)) | ||
179 | ptr = gtk_combo_box_get_active_text(GTK_COMBO_BOX(entry)); | ||
180 | else | ||
181 | ptr = (char*)gtk_entry_get_text(GTK_ENTRY(entry)); | ||
182 | |||
183 | char *role = NULL; | ||
184 | if(ptr && strlen(ptr)) role = g_strdup(ptr); | ||
185 | |||
186 | gtk_widget_destroy(dialog); | ||
187 | |||
188 | /* search end of member chain */ | ||
189 | member_t **memberP = &relation->member; | ||
190 | while(*memberP) memberP = &(*memberP)->next; | ||
191 | |||
192 | /* create new member */ | ||
193 | *memberP = g_new0(member_t, 1); | ||
194 | (*memberP)->type = item->type; | ||
195 | (*memberP)->role = role; | ||
196 | switch(item->type) { | ||
197 | case NODE: | ||
198 | (*memberP)->node = item->node; | ||
199 | break; | ||
200 | case WAY: | ||
201 | (*memberP)->way = item->way; | ||
202 | break; | ||
203 | case RELATION: | ||
204 | (*memberP)->relation = item->relation; | ||
205 | break; | ||
206 | default: | ||
207 | g_assert((item->type == NODE)||(item->type == WAY)|| | ||
208 | (item->type == RELATION)); | ||
209 | break; | ||
210 | } | ||
211 | |||
212 | relation->flags |= OSM_FLAG_DIRTY; | ||
213 | } | ||
214 | |||
215 | static void on_relation_add(GtkWidget *but, relitem_context_t *context) { | ||
216 | /* open a dialog where the user can pick from a list of all */ | ||
217 | /* relations */ | ||
218 | } | ||
219 | |||
220 | static relation_t *get_selection(relitem_context_t *context) { | ||
221 | GtkTreeSelection *selection; | ||
222 | GtkTreeModel *model; | ||
223 | GtkTreeIter iter; | ||
224 | |||
225 | selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(context->view)); | ||
226 | if(gtk_tree_selection_get_selected(selection, &model, &iter)) { | ||
227 | relation_t *relation; | ||
228 | gtk_tree_model_get(model, &iter, RELITEM_COL_DATA, &relation, -1); | ||
229 | return(relation); | ||
230 | } | ||
231 | return NULL; | ||
232 | } | ||
233 | |||
234 | static void on_relation_edit(GtkWidget *but, relitem_context_t *context) { | ||
235 | relation_t *sel = get_selection(context); | ||
236 | if(!sel) return; | ||
237 | |||
238 | printf("edit relation #%ld\n", sel->id); | ||
239 | |||
240 | info_dialog(context->dialog, context->appdata, sel); | ||
241 | } | ||
242 | |||
243 | static void on_relation_remove(GtkWidget *but, relitem_context_t *context) { | ||
244 | relation_t *sel = get_selection(context); | ||
245 | if(!sel) return; | ||
246 | |||
247 | printf("remove relation #%ld\n", sel->id); | ||
248 | } | ||
249 | |||
250 | static void | ||
251 | relitem_toggled(GtkCellRendererToggle *cell, const gchar *path_str, | ||
252 | relitem_context_t *context) { | ||
253 | GtkTreePath *path; | ||
254 | GtkTreeIter iter; | ||
255 | |||
256 | path = gtk_tree_path_new_from_string(path_str); | ||
257 | gtk_tree_model_get_iter(GTK_TREE_MODEL(context->store), &iter, path); | ||
258 | |||
259 | /* get current enabled flag */ | ||
260 | gboolean enabled; | ||
261 | gtk_tree_model_get(GTK_TREE_MODEL(context->store), &iter, | ||
262 | RELITEM_COL_SELECTED, &enabled, -1); | ||
263 | |||
264 | /* change it and store it */ | ||
265 | enabled = !enabled; | ||
266 | gtk_list_store_set(context->store, &iter, RELITEM_COL_SELECTED, enabled, -1); | ||
267 | |||
268 | gtk_tree_path_free(path); | ||
269 | } | ||
270 | |||
271 | static gboolean relitem_is_in_relation(relation_item_t *item, relation_t *relation) { | ||
272 | member_t *member = relation->member; | ||
273 | while(member) { | ||
274 | switch(member->type) { | ||
275 | |||
276 | case NODE: | ||
277 | if((item->type == NODE) && (item->node == member->node)) | ||
278 | return TRUE; | ||
279 | break; | ||
280 | |||
281 | case WAY: | ||
282 | if((item->type == WAY) && (item->way == member->way)) | ||
283 | return TRUE; | ||
284 | break; | ||
285 | |||
286 | default: | ||
287 | break; | ||
288 | } | ||
289 | member = member->next; | ||
290 | } | ||
291 | return FALSE; | ||
292 | } | ||
293 | |||
294 | static char *relitem_get_role_in_relation(relation_item_t *item, relation_t *relation) { | ||
295 | member_t *member = relation->member; | ||
296 | while(member) { | ||
297 | switch(member->type) { | ||
298 | |||
299 | case NODE: | ||
300 | if((item->type == NODE) && (item->node == member->node)) | ||
301 | return member->role; | ||
302 | break; | ||
303 | |||
304 | case WAY: | ||
305 | if((item->type == WAY) && (item->way == member->way)) | ||
306 | return member->role; | ||
307 | break; | ||
308 | |||
309 | default: | ||
310 | break; | ||
311 | } | ||
312 | member = member->next; | ||
313 | } | ||
314 | return NULL; | ||
315 | } | ||
316 | |||
317 | static GtkWidget *relation_list(relitem_context_t *context) { | ||
318 | GtkWidget *vbox = gtk_vbox_new(FALSE,3); | ||
319 | context->view = gtk_tree_view_new(); | ||
320 | |||
321 | gtk_tree_selection_set_select_function( | ||
322 | gtk_tree_view_get_selection(GTK_TREE_VIEW(context->view)), | ||
323 | relation_list_selection_func, | ||
324 | context, NULL); | ||
325 | |||
326 | |||
327 | /* --- "selected" column --- */ | ||
328 | GtkCellRenderer *renderer = gtk_cell_renderer_toggle_new(); | ||
329 | g_signal_connect(renderer, "toggled", G_CALLBACK(relitem_toggled), context); | ||
330 | gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(context->view), | ||
331 | -1, _(""), renderer, | ||
332 | "active", RELITEM_COL_SELECTED, | ||
333 | NULL); | ||
334 | |||
335 | /* --- "Type" column --- */ | ||
336 | renderer = gtk_cell_renderer_text_new(); | ||
337 | gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(context->view), | ||
338 | -1, _("Type"), renderer, "text", RELITEM_COL_TYPE, NULL); | ||
339 | |||
340 | /* --- "Role" column --- */ | ||
341 | renderer = gtk_cell_renderer_text_new(); | ||
342 | gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(context->view), | ||
343 | -1, _("Role"), renderer, "text", RELITEM_COL_ROLE, NULL); | ||
344 | |||
345 | /* --- "Name" column --- */ | ||
346 | renderer = gtk_cell_renderer_text_new(); | ||
347 | g_object_set(renderer, "ellipsize", PANGO_ELLIPSIZE_END, NULL); | ||
348 | GtkTreeViewColumn *column = | ||
349 | gtk_tree_view_column_new_with_attributes(_("Name"), renderer, | ||
350 | "text", RELITEM_COL_NAME, NULL); | ||
351 | gtk_tree_view_column_set_expand(column, TRUE); | ||
352 | gtk_tree_view_insert_column(GTK_TREE_VIEW(context->view), column, -1); | ||
353 | |||
354 | |||
355 | /* build and fill the store */ | ||
356 | context->store = gtk_list_store_new(RELITEM_NUM_COLS, | ||
357 | G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_STRING, | ||
358 | G_TYPE_STRING, G_TYPE_POINTER); | ||
359 | |||
360 | gtk_tree_view_set_model(GTK_TREE_VIEW(context->view), | ||
361 | GTK_TREE_MODEL(context->store)); | ||
362 | |||
363 | GtkTreeIter iter; | ||
364 | relation_t *relation = context->appdata->osm->relation; | ||
365 | while(relation) { | ||
366 | /* try to find something descriptive */ | ||
367 | char *name = osm_tag_get_by_key(relation->tag, "name"); | ||
368 | if(!name) name = osm_tag_get_by_key(relation->tag, "ref"); | ||
369 | |||
370 | /* Append a row and fill in some data */ | ||
371 | gtk_list_store_append(context->store, &iter); | ||
372 | gtk_list_store_set(context->store, &iter, | ||
373 | RELITEM_COL_SELECTED, relitem_is_in_relation(context->item, relation), | ||
374 | RELITEM_COL_TYPE, osm_tag_get_by_key(relation->tag, "type"), | ||
375 | RELITEM_COL_ROLE, relitem_get_role_in_relation(context->item, relation), | ||
376 | RELITEM_COL_NAME, name, | ||
377 | RELITEM_COL_DATA, relation, | ||
378 | -1); | ||
379 | |||
380 | relation = relation->next; | ||
381 | } | ||
382 | |||
383 | g_object_unref(context->store); | ||
384 | |||
385 | /* put it into a scrolled window */ | ||
386 | GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL); | ||
387 | gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), | ||
388 | GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); | ||
389 | gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), | ||
390 | GTK_SHADOW_ETCHED_IN); | ||
391 | gtk_container_add(GTK_CONTAINER(scrolled_window), context->view); | ||
392 | |||
393 | gtk_box_pack_start_defaults(GTK_BOX(vbox), scrolled_window); | ||
394 | |||
395 | /* ------- button box ------------ */ | ||
396 | |||
397 | GtkWidget *hbox = gtk_hbox_new(TRUE,3); | ||
398 | |||
399 | context->but_add = gtk_button_new_with_label(_("Add...")); | ||
400 | gtk_widget_set_sensitive(context->but_add, FALSE); | ||
401 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->but_add); | ||
402 | gtk_signal_connect(GTK_OBJECT(context->but_add), "clicked", | ||
403 | GTK_SIGNAL_FUNC(on_relation_add), context); | ||
404 | |||
405 | context->but_edit = gtk_button_new_with_label(_("Edit...")); | ||
406 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->but_edit); | ||
407 | gtk_signal_connect(GTK_OBJECT(context->but_edit), "clicked", | ||
408 | GTK_SIGNAL_FUNC(on_relation_edit), context); | ||
409 | |||
410 | context->but_remove = gtk_button_new_with_label(_("Remove")); | ||
411 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->but_remove); | ||
412 | gtk_signal_connect(GTK_OBJECT(context->but_remove), "clicked", | ||
413 | GTK_SIGNAL_FUNC(on_relation_remove), context); | ||
414 | |||
415 | relation_list_selected(context, FALSE); | ||
416 | |||
417 | gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0); | ||
418 | return vbox; | ||
419 | } | ||
420 | |||
421 | void relation_add_dialog(appdata_t *appdata, relation_item_t *relitem) { | ||
422 | relitem_context_t *context = g_new0(relitem_context_t, 1); | ||
423 | map_t *map = appdata->map; | ||
424 | g_assert(map); | ||
425 | |||
426 | context->appdata = appdata; | ||
427 | context->item = relitem; | ||
428 | |||
429 | char *str = NULL; | ||
430 | switch(relitem->type) { | ||
431 | case NODE: | ||
432 | str = g_strdup_printf(_("Relations for node #%ld"), relitem->node->id); | ||
433 | break; | ||
434 | case WAY: | ||
435 | str = g_strdup_printf(_("Relations for way #%ld"), relitem->way->id); | ||
436 | break; | ||
437 | default: | ||
438 | g_assert((relitem->type == NODE) || (relitem->type == WAY)); | ||
439 | break; | ||
440 | } | ||
441 | |||
442 | context->dialog = gtk_dialog_new_with_buttons(str, | ||
443 | GTK_WINDOW(appdata->window), GTK_DIALOG_MODAL, | ||
444 | GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, | ||
445 | GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, | ||
446 | NULL); | ||
447 | g_free(str); | ||
448 | |||
449 | gtk_dialog_set_default_response(GTK_DIALOG(context->dialog), | ||
450 | GTK_RESPONSE_ACCEPT); | ||
451 | |||
452 | /* making the dialog a little wider makes it less "crowded" */ | ||
453 | #ifdef USE_HILDON | ||
454 | gtk_window_set_default_size(GTK_WINDOW(context->dialog), 500, 300); | ||
455 | #else | ||
456 | gtk_window_set_default_size(GTK_WINDOW(context->dialog), 400, 200); | ||
457 | #endif | ||
458 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(context->dialog)->vbox), | ||
459 | relation_list(context), TRUE, TRUE, 0); | ||
460 | |||
461 | /* ----------------------------------- */ | ||
462 | |||
463 | gtk_widget_show_all(context->dialog); | ||
464 | if(gtk_dialog_run(GTK_DIALOG(context->dialog)) == GTK_RESPONSE_ACCEPT) { | ||
465 | printf("accepting new relation memberships\n"); | ||
466 | |||
467 | /* walk the entire store to get all values */ | ||
468 | GtkTreeIter iter; | ||
469 | gboolean loop = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(context->store), &iter); | ||
470 | while(loop) { | ||
471 | gboolean enabled; | ||
472 | relation_t *relation; | ||
473 | |||
474 | gtk_tree_model_get(GTK_TREE_MODEL(context->store), &iter, | ||
475 | RELITEM_COL_SELECTED, &enabled, | ||
476 | RELITEM_COL_DATA, &relation, | ||
477 | -1); | ||
478 | |||
479 | |||
480 | if(relation && (enabled != relitem_is_in_relation(relitem, relation))) { | ||
481 | printf("membership for relation #%ld has changed to %s\n", | ||
482 | relation->id, enabled?"yes":"no"); | ||
483 | |||
484 | if(!enabled) relation_remove_item(relation, relitem); | ||
485 | else relation_add_item(context->dialog, relation, relitem); | ||
486 | } | ||
487 | |||
488 | loop = gtk_tree_model_iter_next(GTK_TREE_MODEL(context->store), &iter); | ||
489 | } | ||
490 | } | ||
491 | |||
492 | gtk_widget_destroy(context->dialog); | ||
493 | |||
494 | g_free(context); | ||
495 | } |