| 1 | // ========================================================= // |
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| 2 | // // |
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| 3 | // File : SAIs.cxx // |
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| 4 | // Purpose : ItemSelector for SAIs // |
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| 5 | // // |
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| 6 | // Coded by Ralf Westram (coder@reallysoft.de) in Oct 21 // |
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| 7 | // http://www.arb-home.de/ // |
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| 8 | // // |
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| 9 | // ========================================================= // |
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| 10 | |
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| 11 | #include "item_sel_list.h" |
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| 12 | |
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| 13 | #include <arbdbt.h> |
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| 14 | #include <aw_root.hxx> |
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| 15 | #include <aw_awars.hxx> |
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| 16 | |
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| 17 | |
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| 18 | static GBDATA *get_first_SAI_data(GBDATA *gb_main, AW_root *, QUERY_RANGE) { |
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| 19 | return GBT_get_SAI_data(gb_main); |
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| 20 | } |
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| 21 | static GBDATA *get_next_SAI_data(GBDATA *, QUERY_RANGE) { |
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| 22 | return NULp; // there is only ONE 'extended_data' |
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| 23 | } |
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| 24 | |
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| 25 | static void select_SAI(GBDATA*, AW_root *aw_root, const char *item_name) { |
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| 26 | aw_root->awar(AWAR_SAI_NAME)->write_string(item_name); |
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| 27 | } |
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| 28 | static GBDATA* get_selected_SAI(GBDATA *gb_main, AW_root *aw_root) { |
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| 29 | const char *SAI_name = aw_root->awar(AWAR_SAI_NAME)->read_char_pntr(); |
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| 30 | return SAI_name[0] ? GBT_find_SAI(gb_main, SAI_name) : NULp; |
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| 31 | } |
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| 32 | static void add_selected_SAI_changed_cb(AW_root *aw_root, const RootCallback& cb) { |
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| 33 | aw_root->awar(AWAR_SAI_NAME)->add_callback(cb); |
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| 34 | } |
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| 35 | |
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| 36 | static char* get_SAI_id(GBDATA *, GBDATA *gb_sai) { |
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| 37 | GBDATA *gb_name = GB_entry(gb_sai, "name"); |
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| 38 | if (!gb_name) return NULp; // sai w/o name -> skip |
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| 39 | return GB_read_as_string(gb_name); |
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| 40 | } |
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| 41 | |
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| 42 | static GBDATA *find_SAI_by_id(GBDATA *gb_main, const char *id) { |
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| 43 | return GBT_find_SAI(gb_main, id); // id is 'name' field |
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| 44 | } |
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| 45 | |
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| 46 | static GBDATA *get_first_SAI(GBDATA *gb_SAI_data, QUERY_RANGE range) { |
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| 47 | GBDATA *gb_first = NULp; |
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| 48 | switch (range) { |
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| 49 | case QUERY_ALL_ITEMS: gb_first = GBT_first_SAI_rel_SAI_data(gb_SAI_data); break; |
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| 50 | case QUERY_MARKED_ITEMS: gb_first = GB_first_marked(gb_SAI_data, "extended"); break; |
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| 51 | case QUERY_CURRENT_ITEM: gb_first = get_selected_SAI(GB_get_root(gb_SAI_data), AW_root::SINGLETON); break; |
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| 52 | } |
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| 53 | return gb_first; |
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| 54 | } |
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| 55 | static GBDATA *get_next_SAI(GBDATA *gb_prev, QUERY_RANGE range) { |
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| 56 | GBDATA *gb_next = NULp; |
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| 57 | switch (range) { |
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| 58 | case QUERY_ALL_ITEMS: gb_next = GBT_next_SAI(gb_prev); break; |
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| 59 | case QUERY_MARKED_ITEMS: { |
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| 60 | gb_assert(GB_has_key(gb_prev, "extended")); |
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| 61 | gb_next = GB_next_marked(gb_prev, "extended"); |
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| 62 | break; |
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| 63 | } |
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| 64 | case QUERY_CURRENT_ITEM: gb_next = NULp; break; |
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| 65 | } |
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| 66 | return gb_next; |
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| 67 | } |
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| 68 | static void refresh_displayed_SAI() { |
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| 69 | } |
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| 70 | |
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| 71 | static struct MutableItemSelector ITEM_sai = { |
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| 72 | QUERY_ITEM_SAI, |
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| 73 | select_SAI, |
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| 74 | get_SAI_id, |
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| 75 | find_SAI_by_id, |
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| 76 | NULp, // no fields selectable |
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| 77 | -1, // length of 'name' is unknown |
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| 78 | NULp, // no changekeys defined for SAI |
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| 79 | "SAI", |
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| 80 | "SAIs", |
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| 81 | "name", |
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| 82 | get_first_SAI_data, |
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| 83 | get_next_SAI_data, |
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| 84 | get_first_SAI, |
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| 85 | get_next_SAI, |
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| 86 | get_selected_SAI, |
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| 87 | add_selected_SAI_changed_cb, |
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| 88 | NULp, NULp, |
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| 89 | refresh_displayed_SAI, |
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| 90 | }; |
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| 91 | |
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| 92 | ItemSelector& SAI_get_selector() { return ITEM_sai; } |
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| 93 | |
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