edit.c

   1
   2 /*
   3  * $Id$
   4  *
   5  * by JH <jheinonen@users.sourceforge.net>
   6  *
   7  * Copyright (C) Jaakko Heinonen
   8  */
   9
  10 #include <string.h>
  11 #include <stdlib.h>
  12 #include "abook_curses.h"
  13 #include "ui.h"
  14 #include "abook.h"
  15 #include "database.h"
  16 #include "list.h"
  17 #include "edit.h"
  18 #include "misc.h"
  19 #ifdef HAVE_CONFIG_H
  20 #       include "config.h"
  21 #endif
  22
  23 /*
  24  * some extern variables
  25  */
  26
  27 extern struct abook_field abook_fields[];
  28
  29 extern list_item *database;
  30 extern int curitem;
  31 extern int items;
  32
  33 WINDOW *editw;
  34
  35 static void
  36 editor_tab(int tab)
  37 {
  38         int i;
  39         char *tab_names[] = {
  40                 "/ CONTACT \\",
  41                 "/ ADDRESS \\",
  42                 "/  PHONE  \\",
  43                 "/  OTHER  \\"
  44         };
  45
  46         mvwhline(editw, TABLINE+1, 0, UI_HLINE_CHAR, EDITW_COLS);
  47
  48         for(i=0; i < TABS; i++)
  49                 mvwaddstr(editw, TABLINE, 16 * i + 3, tab_names[i]);
  50
  51         mvwaddstr(editw, TABLINE+1, 16 * tab + 2, "/           \\");
  52 }
  53
  54 void
  55 get_first_email(char *str, int item)
  56 {
  57         char *tmp;
  58
  59         if(database[item][EMAIL] == NULL) {
  60                 *str = 0;
  61                 return;
  62         }
  63
  64         strncpy(str, database[item][EMAIL], MAX_EMAIL_LEN);
  65         if( (tmp = strchr(str, ',')) )
  66                 *tmp=0;
  67         else
  68                 str[MAX_EMAIL_LEN-1] = 0;
  69 }
  70
  71 static void
  72 roll_emails(int item)
  73 {
  74         char tmp[MAX_EMAILSTR_LEN];
  75         char *p;
  76
  77         strcpy(tmp, database[item][EMAIL]);
  78
  79         if( !(p = strchr(tmp, ',')) )
  80                 return;
  81         else
  82                 *p=0;
  83
  84         strcpy(database[item][EMAIL], p+1);
  85         strcat(database[item][EMAIL], ",");
  86         strcat(database[item][EMAIL], tmp);
  87 }
  88
  89 static void
  90 init_editor()
  91 {
  92         clear();
  93         editw = newwin(EDITW_LINES, EDITW_COLS, EDITW_TOP, EDITW_X);
  94
  95         refresh_statusline();
  96 }
  97
  98 /*
  99  * we have to introduce edit_undo here
 100  */
 101 static void edit_undo(int item, int mode);
 102
 103 enum {
 104         BACKUP_ITEM,
 105         RESTORE_ITEM,
 106         CLEAR_UNDO
 107 };
 108
 109
 110 static void
 111 close_editor()
 112 {
 113         edit_undo(-1, CLEAR_UNDO);
 114         delwin(editw);
 115         refresh_screen();
 116 }
 117
 118 static void
 119 print_editor_header(int item)
 120 {
 121         char *header;
 122         char email[MAX_EMAIL_LEN];
 123
 124         if( (header = (char *)malloc(EDITW_COLS)) == NULL )
 125                 return;
 126
 127         get_first_email(email, item);
 128
 129         if( *database[item][EMAIL] )
 130                 snprintf(header, EDITW_COLS, "%s <%s>",
 131                                 database[item][NAME],
 132                                 email);
 133         else
 134                 snprintf(header, EDITW_COLS, "%s", database[item][NAME]);
 135
 136         mvwaddstr(editw, 0, (EDITW_COLS - strlen(header)) / 2,
 137                         header);
 138
 139         free(header);
 140 }
 141
 142 static void
 143 editor_print_data(int tab, int item)
 144 {
 145         int i, j;
 146         int y, x;
 147
 148         for(i = 0, j = 1; i < ITEM_FIELDS; i++) {
 149                 if(abook_fields[i].tab != tab)
 150                         continue;
 151
 152                 if(i==EMAIL) { /* special field */
 153                         int k;
 154                         char emails[MAX_EMAILS][MAX_EMAIL_LEN];
 155                         split_emailstr(item, emails);
 156                         getyx(editw, y, x);
 157                         mvwaddstr(editw, y+1, FIELDS_START_X,
 158                                         "E-mail addresses:");
 159                         for(k = 0; k < MAX_EMAILS; k++) {
 160                                 getyx(editw, y, x);
 161                                 mvwprintw(editw, y+1, FIELDS_START_X,
 162                                 "%c -", '2' + k);
 163                                 mvwprintw(editw, y +1, TAB_COLON_POS,
 164                                                 ": %s", emails[k]);
 165                         }
 166                         continue;
 167                 }
 168
 169                 if(j > 1) {
 170                         getyx(editw, y, x); y++;
 171                 } else
 172                         y = FIELDS_START_Y;
 173
 174                 mvwprintw(editw, y, FIELDS_START_X, "%d - %s",
 175                                 j,
 176                                 abook_fields[i].name);
 177                 mvwaddch(editw, y, TAB_COLON_POS, ':');
 178                 mvwaddstr(editw, y, TAB_COLON_POS + 2,
 179                                 safe_str(database[item][i]));
 180
 181                 j++;
 182         }
 183 }
 184
 185 static int
 186 change_field(char *msg, char **field)
 187 {
 188         int max_len = MAX_FIELD_LEN;
 189         char *old;
 190         int ret = 0;
 191
 192         if( !strncmp("E-mail", msg, 6) )
 193                 max_len = MAX_EMAIL_LEN;
 194
 195         old = *field;
 196
 197         *field = ui_readline(msg, old, max_len - 1, 0);
 198
 199         if(*field) {
 200                 free(old);
 201                 if(!**field)
 202                         my_free(*field);
 203         } else {
 204                 *field = old;
 205                 ret = 1;
 206         }
 207
 208         clear_statusline();
 209         refresh_statusline();
 210
 211         return ret;
 212 }
 213
 214 static void
 215 change_name_field(char **field)
 216 {
 217         char *tmp;
 218
 219         tmp = strdup(*field);
 220         change_field("Name: ", field);
 221
 222         if( *field == NULL || ! **field ) {
 223                 my_free(*field);
 224                 *field = strdup(tmp);
 225         }
 226
 227         my_free(tmp);
 228 }
 229
 230 static void
 231 fix_email_str(char *str)
 232 {
 233         for(; *str; str++ )
 234                 *str = *str == ',' ? '_' : *str;
 235 }
 236
 237 static void
 238 edit_emails(char c, int item)
 239 {
 240         char *field;
 241         char emails[MAX_EMAILS][MAX_EMAIL_LEN];
 242         char tmp[MAX_EMAILSTR_LEN] = "";
 243         int i, len;
 244         int email_num = c - '2';
 245
 246         split_emailstr(item, emails);
 247         field = strdup(emails[email_num]);
 248
 249         if(change_field("E-mail: ", &field)) {
 250 #ifdef DEBUG
 251                 fprintf(stderr, "change_field = TRUE\n");
 252 #endif
 253                 return;
 254         }
 255         if(field) {
 256                 strncpy(emails[email_num], field, MAX_EMAIL_LEN);
 257                 fix_email_str(emails[email_num]);
 258         } else
 259                 *emails[email_num] = 0;
 260
 261         my_free(database[item][EMAIL]);
 262
 263         for(i = 0; i < MAX_EMAILS; i++) {
 264                 if( *emails[i] ) {
 265                         strcat(tmp, emails[i]);
 266                         strcat(tmp, ",");
 267                 }
 268         }
 269
 270         len = strlen(tmp);
 271         if(tmp[len -1] == ',')
 272                 tmp[len-1] =0;
 273
 274         database[item][EMAIL] = strdup(tmp);
 275 }
 276
 277 static int
 278 edit_field(int tab, char c, int item)
 279 {
 280         int i, j;
 281         int n = c - '1' + 1;
 282         char *str;
 283
 284         if(n < 1 || n > MAX_TAB_FIELDS)
 285                 return 0;
 286
 287         edit_undo(item, BACKUP_ITEM);
 288
 289         if(tab == TAB_CONTACT) {
 290                 switch(c) {
 291                         case '1': change_name_field(&database[item][NAME]);
 292                                   break;
 293                         case '2':
 294                         case '3':
 295                         case '4':
 296                         case '5': edit_emails(c, item); break;
 297                         default: return 0;
 298                 }
 299                 return 1;
 300         }
 301
 302         for(i=0, j=0; i< ITEM_FIELDS; i++) {
 303                 if(abook_fields[i].tab == tab)
 304                         j++;
 305                 if(j==n)
 306                         break;
 307         }
 308
 309         if(j!=n)
 310                 return 0;
 311
 312         str = mkstr("%s: ", abook_fields[i].name);
 313         change_field(str, &database[item][i]);
 314
 315         free(str);
 316
 317         return 1;
 318 }
 319
 320 static void
 321 edit_undo(int item, int mode)
 322 {
 323         int i;
 324         static list_item *backup = NULL;
 325
 326         switch(mode) {
 327                 case CLEAR_UNDO:
 328                         if(backup) {
 329                                 free_list_item(backup[0]);
 330                                 my_free(backup);
 331                         }
 332                         break;
 333                 case BACKUP_ITEM:
 334                         if(backup) {
 335                                 free_list_item(backup[0]);
 336                                 my_free(backup);
 337                         }
 338                         backup = (list_item *)abook_malloc(sizeof(list_item));
 339                         for(i = 0; i < ITEM_FIELDS; i++)
 340                                 backup[0][i] = safe_strdup(database[item][i]);
 341                         break;
 342                 case RESTORE_ITEM:
 343                         if(backup) {
 344                                 free_list_item(database[item]);
 345                                 itemcpy(database[item], backup[0]);
 346                                 my_free(backup);
 347                         }
 348                         break;
 349         }
 350 }
 351
 352 static int
 353 edit_loop(int item)
 354 {
 355         static int tab = 0; /* first tab */
 356         int c;
 357
 358         werase(editw);
 359         headerline(EDITOR_HELPLINE);
 360         refresh_statusline();
 361         print_editor_header(item);
 362         editor_tab(tab);
 363         editor_print_data(tab, item);
 364         wmove(editw, EDITW_LINES - 1, EDITW_COLS - 1);
 365
 366         refresh();
 367         wrefresh(editw);
 368
 369         switch( (c = getch()) ) {
 370                 case 'c': tab = TAB_CONTACT; break;
 371                 case 'a': tab = TAB_ADDRESS; break;
 372                 case 'p': tab = TAB_PHONE; break;
 373                 case 'o': tab = TAB_OTHER; break;
 374                 case KEY_LEFT: tab = tab == 0 ? MAX_TAB : tab - 1;
 375                                break;
 376                 case KEY_RIGHT: tab = tab == MAX_TAB ? 0 : tab + 1;
 377                                 break;
 378                 case '<':
 379                 case 'k': if(is_valid_item(item-1)) item--; break;
 380                 case '>':
 381                 case 'j': if(is_valid_item(item+1)) item++; break;
 382                 case 'r': roll_emails(item); break;
 383                 case '?': display_help(HELP_EDITOR); break;
 384                 case 'u': edit_undo(item, RESTORE_ITEM); break;
 385                 case 'm': launch_mutt(item); clearok(stdscr, 1); break;
 386                 case 'v': launch_wwwbrowser(item); clearok(stdscr, 1); break;
 387                 case 12 : clearok(stdscr, 1); break; /* ^L (refresh screen) */
 388                 default:  return edit_field(tab, c, item) ? item : -1;
 389         }
 390
 391         return item;
 392 }
 393
 394 void
 395 edit_item(int item)
 396 {
 397         if( item < 0 ) {
 398                 if( curitem < 0 )
 399                         return;
 400                 else
 401                         item = curitem;
 402         }
 403
 404         init_editor();
 405
 406         while( (item = edit_loop(item)) >= 0 )
 407                 curitem = item; /* hmm, this is not very clean way to go */
 408
 409         close_editor();
 410 }
 411
 412 void
 413 add_item()
 414 {
 415         char *field = NULL;
 416         list_item item;
 417
 418         change_field("Name: ", &field);
 419
 420         if( field == NULL )
 421                 return;
 422
 423         memset(item, 0, sizeof(item));
 424
 425         item[NAME] = field;
 426
 427         add_item2database(item);
 428
 429         curitem = LAST_ITEM;
 430
 431         edit_item(LAST_ITEM);
 432 }
 433