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 /*
 186  * function: change_field
 187  *
 188  * parameters:
 189  *  (char *msg)
 190  *   message to display as a prompt
 191  *  (char **field)
 192  *   a pointer to a pointer which will point a new string. if the latter
 193  *   pointer != NULL it will be freed (if user doesn't cancel)
 194  *
 195  * returns (int)
 196  *  a nonzero value if user has cancelled and zero if user has typed a
 197  *  valid string
 198  */
 199
 200 static int
 201 change_field(char *msg, char **field)
 202 {
 203         int max_len = MAX_FIELD_LEN;
 204         char *old;
 205         int ret = 0;
 206
 207         if( !strncmp("E-mail", msg, 6) )
 208                 max_len = MAX_EMAIL_LEN;
 209
 210         old = *field;
 211
 212         *field = ui_readline(msg, old, max_len - 1, 0);
 213
 214         if(*field) {
 215                 free(old);
 216                 if(!**field)
 217                         my_free(*field);
 218         } else {
 219                 *field = old;
 220                 ret = 1;
 221         }
 222
 223         clear_statusline();
 224         refresh_statusline();
 225
 226         return ret;
 227 }
 228
 229 static void
 230 change_name_field(char **field)
 231 {
 232         char *tmp;
 233
 234         tmp = strdup(*field);
 235         change_field("Name: ", field);
 236
 237         if( *field == NULL || ! **field ) {
 238                 my_free(*field);
 239                 *field = strdup(tmp);
 240         }
 241
 242         my_free(tmp);
 243 }
 244
 245 static void
 246 fix_email_str(char *str)
 247 {
 248         for(; *str; str++ )
 249                 *str = *str == ',' ? '_' : *str;
 250 }
 251
 252 static void
 253 edit_emails(char c, int item)
 254 {
 255         char *field;
 256         char emails[MAX_EMAILS][MAX_EMAIL_LEN];
 257         char tmp[MAX_EMAILSTR_LEN] = "";
 258         int i, len;
 259         int email_num = c - '2';
 260
 261         split_emailstr(item, emails);
 262         field = strdup(emails[email_num]);
 263
 264         if(change_field("E-mail: ", &field))
 265                 return; /* user cancelled ( C-g ) */
 266
 267         if(field) {
 268                 strncpy(emails[email_num], field, MAX_EMAIL_LEN);
 269                 fix_email_str(emails[email_num]);
 270         } else
 271                 *emails[email_num] = 0;
 272
 273         my_free(database[item][EMAIL]);
 274
 275         for(i = 0; i < MAX_EMAILS; i++) {
 276                 if( *emails[i] ) {
 277                         strcat(tmp, emails[i]);
 278                         strcat(tmp, ",");
 279                 }
 280         }
 281
 282         len = strlen(tmp);
 283         if(tmp[len -1] == ',')
 284                 tmp[len-1] =0;
 285
 286         database[item][EMAIL] = strdup(tmp);
 287 }
 288
 289 static int
 290 edit_field(int tab, char c, int item)
 291 {
 292         int i, j;
 293         int n = c - '1' + 1;
 294         char *str;
 295
 296         if(n < 1 || n > MAX_TAB_FIELDS)
 297                 return 0;
 298
 299         edit_undo(item, BACKUP_ITEM);
 300
 301         if(tab == TAB_CONTACT) {
 302                 switch(c) {
 303                         case '1': change_name_field(&database[item][NAME]);
 304                                   break;
 305                         case '2':
 306                         case '3':
 307                         case '4':
 308                         case '5': edit_emails(c, item); break;
 309                         default: return 0;
 310                 }
 311                 return 1;
 312         }
 313
 314         for(i=0, j=0; i< ITEM_FIELDS; i++) {
 315                 if(abook_fields[i].tab == tab)
 316                         j++;
 317                 if(j==n)
 318                         break;
 319         }
 320
 321         if(j!=n)
 322                 return 0;
 323
 324         str = mkstr("%s: ", abook_fields[i].name);
 325         change_field(str, &database[item][i]);
 326
 327         free(str);
 328
 329         return 1;
 330 }
 331
 332 static void
 333 edit_undo(int item, int mode)
 334 {
 335         int i;
 336         static list_item *backup = NULL;
 337
 338         switch(mode) {
 339                 case CLEAR_UNDO:
 340                         if(backup) {
 341                                 free_list_item(backup[0]);
 342                                 my_free(backup);
 343                         }
 344                         break;
 345                 case BACKUP_ITEM:
 346                         if(backup) {
 347                                 free_list_item(backup[0]);
 348                                 my_free(backup);
 349                         }
 350                         backup = (list_item *)abook_malloc(sizeof(list_item));
 351                         for(i = 0; i < ITEM_FIELDS; i++)
 352                                 backup[0][i] = safe_strdup(database[item][i]);
 353                         break;
 354                 case RESTORE_ITEM:
 355                         if(backup) {
 356                                 free_list_item(database[item]);
 357                                 itemcpy(database[item], backup[0]);
 358                                 my_free(backup);
 359                         }
 360                         break;
 361         }
 362 }
 363
 364 static int
 365 edit_loop(int item)
 366 {
 367         static int tab = 0; /* first tab */
 368         int c;
 369
 370         werase(editw);
 371         headerline(EDITOR_HELPLINE);
 372         refresh_statusline();
 373         print_editor_header(item);
 374         editor_tab(tab);
 375         editor_print_data(tab, item);
 376         wmove(editw, EDITW_LINES - 1, EDITW_COLS - 1);
 377
 378         refresh();
 379         wrefresh(editw);
 380
 381         switch( (c = getch()) ) {
 382                 case 'c': tab = TAB_CONTACT; break;
 383                 case 'a': tab = TAB_ADDRESS; break;
 384                 case 'p': tab = TAB_PHONE; break;
 385                 case 'o': tab = TAB_OTHER; break;
 386                 case KEY_LEFT: tab = tab == 0 ? MAX_TAB : tab - 1;
 387                                break;
 388                 case KEY_RIGHT: tab = tab == MAX_TAB ? 0 : tab + 1;
 389                                 break;
 390                 case '<':
 391                 case 'k': if(is_valid_item(item-1)) item--; break;
 392                 case '>':
 393                 case 'j': if(is_valid_item(item+1)) item++; break;
 394                 case 'r': roll_emails(item); break;
 395                 case '?': display_help(HELP_EDITOR); break;
 396                 case 'u': edit_undo(item, RESTORE_ITEM); break;
 397                 case 'm': launch_mutt(item); clearok(stdscr, 1); break;
 398                 case 'v': launch_wwwbrowser(item); clearok(stdscr, 1); break;
 399                 case 12 : clearok(stdscr, 1); break; /* ^L (refresh screen) */
 400                 default:  return edit_field(tab, c, item) ? item : -1;
 401         }
 402
 403         return item;
 404 }
 405
 406 void
 407 edit_item(int item)
 408 {
 409         if( item < 0 ) {
 410                 if( curitem < 0 )
 411                         return;
 412                 else
 413                         item = curitem;
 414         }
 415
 416         init_editor();
 417
 418         while( (item = edit_loop(item)) >= 0 )
 419                 curitem = item; /* hmm, this is not very clean way to go */
 420
 421         close_editor();
 422 }
 423
 424 void
 425 add_item()
 426 {
 427         char *field = NULL;
 428         list_item item;
 429
 430         change_field("Name: ", &field);
 431
 432         if( field == NULL )
 433                 return;
 434
 435         memset(item, 0, sizeof(item));
 436
 437         item[NAME] = field;
 438
 439         add_item2database(item);
 440
 441         curitem = LAST_ITEM;
 442
 443         edit_item(LAST_ITEM);
 444 }
 445