views.c

   1 /*
   2  * $Id: views.c,v 1.2 2006/08/07 15:06:53 cduval Exp $
   3  *
   4  * by Cedric Duval <cedricduval@free.fr>
   5  *
   6  * Copyright (C) Cedric Duval
   7  *
   8  */
   9
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include <assert.h>
  14 #ifdef HAVE_CONFIG_H
  15 #       include "config.h"
  16 #endif
  17 #include "gettext.h"
  18 #include "misc.h"
  19 #include "options.h"
  20 #include "views.h"
  21 #include "xmalloc.h"
  22
  23
  24 abook_view *abook_views = NULL;
  25 int views_count = 0;
  26
  27
  28 extern abook_field standard_fields[];
  29
  30
  31 static abook_view *
  32 find_view(char *name)
  33 {
  34         abook_view *cur = abook_views;
  35
  36         for(; cur; cur = cur->next)
  37                 if(0 == strcasecmp(cur->name, name))
  38                         return cur;
  39
  40         return NULL;
  41 }
  42
  43 static abook_view *
  44 create_view(char *name) {
  45         abook_view *v;
  46
  47         for(v = abook_views; v && v->next; v = v->next)
  48                 ;
  49
  50         if(v) {
  51                 v->next = xmalloc(sizeof(abook_view));
  52                 v = v->next;
  53         } else
  54                 abook_views = v = xmalloc(sizeof(abook_view));
  55
  56         v->name = xstrdup(name);
  57         v->fields = NULL;
  58         v->next = NULL;
  59
  60         views_count++;
  61
  62         return v;
  63 }
  64
  65 static int
  66 fields_in_view(abook_view *view)
  67 {
  68         int nb;
  69         abook_field_list *f;
  70
  71         for(nb = 0, f = view->fields; f; f = f->next, nb++)
  72                 ;
  73
  74         return nb;
  75 }
  76
  77 char *
  78 add_field_to_view(char *viewname, char *field)
  79 {
  80         abook_view *v;
  81         abook_field *f;
  82
  83         if(
  84                         !(f = find_declared_field(field)) &&
  85                         !(f = find_standard_field(field, 1 /*do_declare*/))
  86                 )
  87                 return _("undeclared field");
  88
  89         if((v = find_view(viewname)) == NULL)
  90                 v = create_view(viewname);
  91         else if(fields_in_view(v) == MAX_VIEW_FIELDS)
  92                 return _("maximal number of fields per view reached");
  93
  94         if(v->fields && (find_field(field, v->fields)))
  95                 return _("field already in this view");
  96
  97         add_field(&v->fields, f);
  98
  99         return NULL;
 100 }
 101
 102 void
 103 view_info(int number, char **name, abook_field_list **fields)
 104 {       int i = 0;
 105         abook_view *cur = abook_views;
 106
 107         assert((number < views_count) && (number >= 0));
 108
 109         while(i++ != number)
 110                 cur = cur->next;
 111
 112         if(fields)
 113                 *fields = cur->fields;
 114
 115         if(name)
 116                 *name = cur->name;
 117 }
 118
 119 #define MAX_DEFAULT_FIELDS_PER_VIEW 6
 120
 121 void
 122 init_default_views()
 123 {
 124         char *str;
 125         int i, j, add_custom_fields, add_custom_view = 0;
 126
 127         add_custom_fields =
 128                 !strcasecmp(opt_get_str(STR_PRESERVE_FIELDS), "standard");
 129
 130         /* if the user has configured views, no need to provide defaults */
 131         if(abook_views)
 132                 goto out;
 133         add_custom_view = 1;
 134
 135         struct {
 136                 char *name;
 137                 int fields[MAX_DEFAULT_FIELDS_PER_VIEW + 1];
 138         } default_views[] = {
 139                 { N_("CONTACT"), {NAME, EMAIL, -1} },
 140                 { N_("ADDRESS"),
 141                         { ADDRESS, ADDRESS2, CITY, STATE, ZIP, COUNTRY, -1 } },
 142                 { N_("PHONE"), { PHONE, WORKPHONE, FAX, MOBILEPHONE, -1 } },
 143                 { N_("OTHER"), { NICK, URL, NOTES, -1 } },
 144                 { 0 }
 145         };
 146
 147         for(i = 0; default_views[i].name; i++) {
 148                 for(j = 0; j < MAX_DEFAULT_FIELDS_PER_VIEW; j++) {
 149                         if(default_views[i].fields[j] == -1)
 150                                 break;
 151                         str = standard_fields[default_views[i].fields[j]].key;
 152                         add_field_to_view(gettext(default_views[i].name), str);
 153                 }
 154         }
 155 out:
 156
 157 #define init_view(view, key, name) do { \
 158         if(add_custom_fields || add_custom_view) \
 159                 declare_new_field(key, name, "string", \
 160                                 0 /*"standard" field already declared above*/);\
 161         if(add_custom_view) \
 162                 add_field_to_view(view, key); \
 163 } while(0);
 164
 165         init_view(_("CUSTOM"), "custom1", _("Custom1"));
 166         init_view(_("CUSTOM"), "custom2", _("Custom2"));
 167         init_view(_("CUSTOM"), "custom3", _("Custom3"));
 168         init_view(_("CUSTOM"), "custom4", _("Custom4"));
 169         init_view(_("CUSTOM"), "custom5", _("Custom5"));
 170 }