initial push

src/c/connection_results_menu.c

@@ -0,0 +1,158 @@
+#include <pebble.h>
+#include "resources.h"
+#include "mybahn_settings.h"
+#include "bahn_interface.h"
+#include "connection_details_window.h"
+#include "connection_results_menu.h"
+
+static MenuLayer* s_menu_layer;
+static Window* s_window;
+static char s_header[2 * CONNECTION_SUBTITLE_LENGTH + 10];
+
+static uint16_t menu_get_num_sections_callback(MenuLayer *menu_layer, void *data) {
+  return 1;
+}
+
+static uint16_t menu_get_num_rows_callback(MenuLayer *menu_layer, uint16_t section_index, void *data) {
+  ConnectionResults* results = BahnInterface_get_current_connection_results();
+  int result = results->number_of_entries;
+  if (results->has_frueher) {
+    result ++;
+  }
+  if (results->has_spaeter) {
+    result ++;
+  }
+  return result;
+}
+
+static bool is_frueher_entry(int menu_index) {
+  ConnectionResults* results = BahnInterface_get_current_connection_results();
+  if (menu_index == 0 && results->has_frueher) {
+    return true;
+  }
+  return false;
+}
+
+static bool is_spaeter_entry(int menu_index) {
+  ConnectionResults* results = BahnInterface_get_current_connection_results();
+  int result_index = menu_index;
+  if (results->has_frueher) {
+    result_index--;
+  }
+  if (result_index >= results->number_of_entries && results->has_spaeter) {
+    return true;
+  }
+  return false;
+}
+
+static int compute_result_index(int menu_index) {
+  ConnectionResults* results = BahnInterface_get_current_connection_results();
+  if (results->has_frueher) {
+    return menu_index-1;
+  }
+  return menu_index;
+}
+
+static void menu_draw_row_callback(GContext* ctx, const Layer *cell_layer, MenuIndex *cell_index, void *data) {
+  ConnectionResults* results = BahnInterface_get_current_connection_results();
+  if (is_frueher_entry(cell_index->row)) {
+    menu_cell_basic_draw(ctx, cell_layer, FRUEHER, NULL, NULL);
+  } else if (is_spaeter_entry(cell_index->row)) {
+    menu_cell_basic_draw(ctx, cell_layer, SPAETER, NULL, NULL);
+  } else {
+    int result_index = compute_result_index(cell_index->row);
+    menu_cell_basic_draw(ctx, cell_layer, results->entries[result_index].title, results->entries[result_index].subtitle, NULL);
+  }
+}
+
+static int16_t menu_get_header_height_callback(MenuLayer *menu_layer, uint16_t section_index, void *data) {
+  return MENU_CELL_BASIC_HEADER_HEIGHT;
+}
+
+static void menu_draw_header_callback(GContext* ctx, const Layer *cell_layer, uint16_t section_index, void *data) {
+  menu_cell_basic_header_draw(ctx, cell_layer, s_header);
+}
+
+static void reload_menu() {
+  menu_layer_reload_data(s_menu_layer);
+}
+
+static void update_connections(char* connection_query_link) {
+  BahnInterface_read_query_link_results(connection_query_link, reload_menu);
+}
+
+static void menu_select_callback(MenuLayer *menu_layer, MenuIndex *cell_index, void *data) {
+  ConnectionResults* results = BahnInterface_get_current_connection_results();
+  if (is_frueher_entry(cell_index->row)) {
+    update_connections(results->frueher_link);
+  } else if (is_spaeter_entry(cell_index->row)) {
+    update_connections(results->spaeter_link);
+  } else {
+    ConnectionDetailsWindow_show(&results->entries[compute_result_index(cell_index->row)]);
+  }
+}
+
+static void build_connection_results_window() {
+  ConnectionResults* results = BahnInterface_get_current_connection_results();
+  if (results->number_of_entries == 0) {
+    return;
+  }
+  
+  s_window = window_create();
+
+  Layer *window_layer = window_get_root_layer(s_window);
+  GRect bounds = layer_get_frame(window_layer);
+
+  s_menu_layer = menu_layer_create(bounds);
+  menu_layer_set_click_config_onto_window(s_menu_layer, s_window);
+  menu_layer_set_callbacks(s_menu_layer, NULL, (MenuLayerCallbacks){ 
+    .get_num_sections = menu_get_num_sections_callback,
+    .get_num_rows = menu_get_num_rows_callback,
+    .get_header_height = menu_get_header_height_callback,
+    .draw_header = menu_draw_header_callback,
+    .draw_row = menu_draw_row_callback,
+    .select_click = menu_select_callback,
+  }); 
+
+  layer_add_child(window_layer, menu_layer_get_layer(s_menu_layer));
+  
+  window_stack_push(s_window, true);
+}
+
+void ConnectionResultsMenu_show_for_connection(int connection_index) {
+  ConnectionResultsMenu_destroy();
+  
+  ConnectionConfig* connection = MyBahnSettings_get_valid_connection(connection_index);
+  
+  s_header[0] = '\0';
+  strcat(s_header, connection->title);
+  strcat(s_header, " ");
+  strcat(s_header, connection->subtitle);
+  
+  BahnInterface_read_connection_results(connection_index, build_connection_results_window);
+}
+
+void ConnectionResultsMenu_show_station_to_station(int from_station_index, int to_station_index) {
+  ConnectionResultsMenu_destroy();
+  
+  StationConfig* from_station = MyBahnSettings_get_valid_station(from_station_index);
+  StationConfig* to_station = MyBahnSettings_get_valid_station(to_station_index);
+  
+  s_header[0] = '\0';
+  strcat(s_header, from_station->title);
+  strcat(s_header, TO_MARKER);
+  strcat(s_header, to_station->title);
+
+  BahnInterface_read_station_to_station_results(from_station_index, to_station_index, build_connection_results_window);
+}
+
+void ConnectionResultsMenu_destroy() {
+  if (!s_window) {
+    return;
+  }
+  
+  menu_layer_destroy(s_menu_layer);
+  window_destroy(s_window);
+  s_menu_layer = NULL;
+  s_window = NULL;
+}