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 <assert.h>
  13 #include "abook_curses.h"
  14 #include "ui.h"
  15 #include "abook.h"
  16 #include "database.h"
  17 #include "gettext.h"
  18 #include "list.h"
  19 #include "edit.h"
  20 #include "misc.h"
  21 #include "xmalloc.h"
  22 #ifdef HAVE_CONFIG_H
  23 #       include "config.h"
  24 #endif
  25
  26 /*
  27  * some extern variables
  28  */
  29
  30 extern struct abook_field abook_fields[];
  31
  32 extern list_item *database;
  33 extern int curitem;
  34 extern int items;
  35
  36 WINDOW *editw;
  37
  38 static void
  39 editor_tab(const int tab)
  40 {
  41         int i, j;
  42         int x_pos = 2; /* current x pos */
  43         static char *tab_names[] = {
  44                 N_("CONTACT"),
  45                 N_("ADDRESS"),
  46                 N_(" PHONE "),
  47                 N_(" OTHER "),
  48                 N_("CUSTOM ")
  49         };
  50
  51         mvwhline(editw, TABLINE + 1, 0, UI_HLINE_CHAR, EDITW_COLS);
  52
  53         for(i = 0; i < TABS; i++) {
  54                 int width = strwidth(gettext(tab_names[i])) + 5;
  55
  56                 if(x_pos + width + 1 > EDITW_COLS) {
  57                         statusline_msg(_("Tab name too wide for screen"));
  58                         break;
  59                 }
  60
  61                 mvwaddch(editw,  TABLINE + 1, x_pos,  UI_TEE_CHAR);
  62                 mvwaddch(editw,  TABLINE + 1, x_pos + width - 2, UI_TEE_CHAR);
  63
  64                 mvwaddch(editw,  TABLINE, x_pos,  UI_ULCORNER_CHAR);
  65                 mvwaddch(editw,  TABLINE, x_pos + 1,  UI_LBOXLINE_CHAR);
  66                 mvwaddstr(editw, TABLINE, x_pos + 2,  gettext(tab_names[i]));
  67                 mvwaddch(editw,  TABLINE, x_pos + width - 3, UI_RBOXLINE_CHAR);
  68                 mvwaddch(editw,  TABLINE, x_pos + width - 2, UI_URCORNER_CHAR);
  69
  70                 if(i == tab) {
  71                         mvwaddch(editw,  TABLINE + 1, x_pos, UI_LRCORNER_CHAR);
  72                         for(j = 0; j < width - 3; j++)
  73                                 mvwaddstr(editw,
  74                                         TABLINE + 1, x_pos + j + 1, " ");
  75                         mvwaddch(editw,  TABLINE + 1, x_pos + width - 2,
  76                                 UI_LLCORNER_CHAR);
  77                 }
  78                 x_pos += width;
  79         }
  80 }
  81
  82 void
  83 get_first_email(char *str, int item)
  84 {
  85         char *tmp;
  86
  87         if(database[item][EMAIL] == NULL) {
  88                 *str = 0;
  89                 return;
  90         }
  91
  92         strncpy(str, database[item][EMAIL], MAX_EMAIL_LEN);
  93         if( (tmp = strchr(str, ',')) )
  94                 *tmp = 0;
  95         else
  96                 str[MAX_EMAIL_LEN-1] = 0;
  97 }
  98
  99 static void
 100 roll_emails(int item)
 101 {
 102         char tmp[MAX_EMAILSTR_LEN];
 103         char *p;
 104
 105         strcpy(tmp, database[item][EMAIL]);
 106
 107         if( !(p = strchr(tmp, ',')) )
 108                 return;
 109         else
 110                 *p = 0;
 111
 112         strcpy(database[item][EMAIL], p+1);
 113         strcat(database[item][EMAIL], ",");
 114         strcat(database[item][EMAIL], tmp);
 115 }
 116
 117 static void
 118 init_editor()
 119 {
 120         clear();
 121         editw = newwin(EDITW_LINES, EDITW_COLS, EDITW_TOP, EDITW_X);
 122
 123         refresh_statusline();
 124 }
 125
 126 enum {
 127         BACKUP_ITEM,
 128         RESTORE_ITEM,
 129         CLEAR_UNDO
 130 };
 131
 132 static void
 133 edit_undo(int item, int mode)
 134 {
 135         int i;
 136         static list_item *backup = NULL;
 137
 138         switch(mode) {
 139                 case CLEAR_UNDO:
 140                         if(backup) {
 141                                 free_list_item(backup[0]);
 142                                 xfree(backup);
 143                         }
 144                         break;
 145                 case BACKUP_ITEM:
 146                         if(backup) {
 147                                 free_list_item(backup[0]);
 148                                 xfree(backup);
 149                         }
 150                         backup = xmalloc(sizeof(list_item));
 151                         for(i = 0; i < ITEM_FIELDS; i++)
 152                                 if(database[item][i] == NULL)
 153                                         backup[0][i] = NULL;
 154                                 else
 155                                         backup[0][i] =
 156                                                 xstrdup(database[item][i]);
 157                         break;
 158                 case RESTORE_ITEM:
 159                         if(backup) {
 160                                 free_list_item(database[item]);
 161                                 itemcpy(database[item], backup[0]);
 162                                 xfree(backup);
 163                         }
 164                         break;
 165                 default:
 166                         assert(0);
 167         }
 168 }
 169
 170
 171 static void
 172 close_editor()
 173 {
 174         edit_undo(-1, CLEAR_UNDO);
 175         delwin(editw);
 176         refresh_screen();
 177 }
 178
 179 static void
 180 print_editor_header(int item)
 181 {
 182         char *header;
 183         char email[MAX_EMAIL_LEN];
 184
 185         if((header = xmalloc(EDITW_COLS)) == NULL)
 186                 return;
 187
 188         get_first_email(email, item);
 189
 190         if(*database[item][EMAIL])
 191                 snprintf(header, EDITW_COLS, "%s <%s>",
 192                                 database[item][NAME],
 193                                 email);
 194         else
 195                 snprintf(header, EDITW_COLS, "%s", database[item][NAME]);
 196
 197         mvwaddstr(editw, 0, (EDITW_COLS - strwidth(header)) / 2,
 198                         header);
 199
 200         free(header);
 201 }
 202
 203 static void
 204 editor_print_data(int tab, int item)
 205 {
 206         int i, j;
 207         int y, x;
 208
 209         for(i = 0, j = 1; i < ITEM_FIELDS; i++) {
 210                 if(abook_fields[i].tab != tab)
 211                         continue;
 212
 213                 if(i == EMAIL) { /* special field */
 214                         int k;
 215                         char emails[MAX_EMAILS][MAX_EMAIL_LEN];
 216                         split_emailstr(item, emails);
 217                         getyx(editw, y, x);
 218                         mvwaddstr(editw, y+1, FIELDS_START_X,
 219                                         _("E-mail addresses:"));
 220                         for(k = 0; k < MAX_EMAILS; k++) {
 221                                 getyx(editw, y, x);
 222                                 mvwprintw(editw, y+1, FIELDS_START_X,
 223                                 "%c -", '2' + k);
 224                                 mvwprintw(editw, y +1, TAB_COLON_POS,
 225                                                 ": %s", emails[k]);
 226                         }
 227                         continue;
 228                 }
 229
 230                 if(j > 1) {
 231                         getyx(editw, y, x);
 232                         y++;
 233                 } else
 234                         y = FIELDS_START_Y;
 235
 236                 mvwprintw(editw, y, FIELDS_START_X, "%d - %s",
 237                                 j,
 238                                 gettext(abook_fields[i].name));
 239                 mvwaddch(editw, y, TAB_COLON_POS, ':');
 240                 mvwaddstr(editw, y, TAB_COLON_POS + 2,
 241                                 safe_str(database[item][i]));
 242
 243                 j++;
 244         }
 245 }
 246
 247 /*
 248  * function: change_field
 249  *
 250  * parameters:
 251  *  (char *msg)
 252  *   message to display as a prompt
 253  *  (char **field)
 254  *   a pointer to a pointer which will point a new string. if the latter
 255  *   pointer != NULL it will be freed (if user doesn't cancel)
 256  *
 257  * returns (int)
 258  *  a nonzero value if user has cancelled and zero if user has typed a
 259  *  valid string
 260  */
 261
 262 static int
 263 change_field(char *msg, char **field)
 264 {
 265         int max_len = MAX_FIELD_LEN;
 266         char *old;
 267         int ret = 0;
 268
 269         if(!strncmp("E-mail", msg, 6))
 270                 max_len = MAX_EMAIL_LEN;
 271
 272         old = *field;
 273
 274         *field = ui_readline(msg, old, max_len - 1, 0);
 275
 276         if(*field) {
 277                 xfree(old);
 278                 if(!**field)
 279                         xfree(*field);
 280         } else {
 281                 *field = old;
 282                 ret = 1;
 283         }
 284
 285         clear_statusline();
 286         refresh_statusline();
 287
 288         return ret;
 289 }
 290
 291 static void
 292 change_name_field(char **field)
 293 {
 294         char *tmp;
 295
 296         tmp = xstrdup(*field);
 297         change_field("Name: ", field);
 298
 299         if(*field == NULL || ! **field) {
 300                 xfree(*field);
 301                 *field = xstrdup(tmp);
 302         }
 303
 304         xfree(tmp);
 305 }
 306
 307 static void
 308 fix_email_str(char *str)
 309 {
 310         for(; *str; str++)
 311                 *str = *str == ',' ? '_' : *str;
 312 }
 313
 314 static void
 315 edit_emails(char c, int item)
 316 {
 317         char *field;
 318         char emails[MAX_EMAILS][MAX_EMAIL_LEN];
 319         char tmp[MAX_EMAILSTR_LEN] = "";
 320         int i, len;
 321         int email_num = c - '2';
 322
 323         split_emailstr(item, emails);
 324         field = xstrdup(emails[email_num]);
 325
 326         if(change_field("E-mail: ", &field))
 327                 return; /* user cancelled ( C-g ) */
 328
 329         if(field) {
 330                 strncpy(emails[email_num], field, MAX_EMAIL_LEN);
 331                 fix_email_str(emails[email_num]);
 332         } else
 333                 *emails[email_num] = 0;
 334
 335         xfree(database[item][EMAIL]);
 336
 337         for(i = 0; i < MAX_EMAILS; i++) {
 338                 if( *emails[i] ) {
 339                         strcat(tmp, emails[i]);
 340                         strcat(tmp, ",");
 341                 }
 342         }
 343
 344         len = strlen(tmp);
 345         if(tmp[len -1] == ',')
 346                 tmp[len-1] =0;
 347
 348         database[item][EMAIL] = xstrdup(tmp);
 349 }
 350
 351 static int
 352 edit_field(int tab, char c, int item)
 353 {
 354         int i, j;
 355         int n = c - '1' + 1;
 356         char *str;
 357
 358         if(n < 1 || n > MAX_TAB_FIELDS)
 359                 return 0;
 360
 361         edit_undo(item, BACKUP_ITEM);
 362
 363         if(tab == TAB_CONTACT) {
 364                 switch(c) {
 365                         case '1': change_name_field(&database[item][NAME]);
 366                                   break;
 367                         case '2':
 368                         case '3':
 369                         case '4':
 370                         case '5': edit_emails(c, item); break;
 371                         default: return 0;
 372                 }
 373                 return 1;
 374         }
 375
 376         for(i = 0, j = 0; i< ITEM_FIELDS; i++) {
 377                 if(abook_fields[i].tab == tab)
 378                         j++;
 379                 if(j==n)
 380                         break;
 381         }
 382
 383         if(j != n)
 384                 return 0;
 385
 386         str = strdup_printf("%s: ", gettext(abook_fields[i].name));
 387         change_field(str, &database[item][i]);
 388
 389         free(str);
 390
 391         return 1;
 392 }
 393
 394 static int
 395 edit_loop(int item)
 396 {
 397         static int tab = 0; /* first tab */
 398         int c;
 399
 400         werase(editw);
 401         headerline(gettext(EDITOR_HELPLINE));
 402         refresh_statusline();
 403         print_editor_header(item);
 404         editor_tab(tab);
 405         editor_print_data(tab, item);
 406         wmove(editw, EDITW_LINES - 1, EDITW_COLS - 1);
 407
 408         refresh();
 409         wrefresh(editw);
 410
 411         switch((c = getch())) {
 412                 case 'c': tab = TAB_CONTACT; break;
 413                 case 'a': tab = TAB_ADDRESS; break;
 414                 case 'p': tab = TAB_PHONE; break;
 415                 case 'o': tab = TAB_OTHER; break;
 416                 case 'C': tab = TAB_CUSTOM; break;
 417                 case 'h':
 418                 case KEY_LEFT: tab = tab == 0 ? MAX_TAB : tab - 1;
 419                                break;
 420                 case 'l':
 421                 case KEY_RIGHT: tab = tab == MAX_TAB ? 0 : tab + 1;
 422                                 break;
 423                 case KEY_UP:
 424                 case '<':
 425                 case 'k': if(is_valid_item(item-1)) item--; break;
 426                 case KEY_DOWN:
 427                 case '>':
 428                 case 'j': if(is_valid_item(item + 1)) item++; break;
 429                 case 'r': roll_emails(item); break;
 430                 case '?': display_help(HELP_EDITOR); break;
 431                 case 'u': edit_undo(item, RESTORE_ITEM); break;
 432                 case 'm': launch_mutt(item); clearok(stdscr, 1); break;
 433                 case 'v': launch_wwwbrowser(item); clearok(stdscr, 1); break;
 434                 case 12 : clearok(stdscr, 1); break; /* ^L (refresh screen) */
 435                 default:  return edit_field(tab, c, item) ? item : -1;
 436         }
 437
 438         return item;
 439 }
 440
 441 void
 442 edit_item(int item)
 443 {
 444         if( item < 0 ) {
 445                 if( curitem < 0 )
 446                         return;
 447                 else
 448                         item = curitem;
 449         }
 450
 451         init_editor();
 452
 453         while((item = edit_loop(item)) >= 0)
 454                 curitem = item; /* hmm, this is not very clean way to go */
 455
 456         close_editor();
 457 }
 458
 459 void
 460 add_item()
 461 {
 462         char *field = NULL;
 463         list_item item;
 464
 465         change_field("Name: ", &field);
 466
 467         if( field == NULL )
 468                 return;
 469
 470         memset(item, 0, sizeof(item));
 471
 472         item[NAME] = field;
 473
 474         add_item2database(item);
 475
 476         curitem = LAST_ITEM;
 477
 478         edit_item(LAST_ITEM);
 479 }
 480