webcit/notes.c

   1 /*
   2  * $Id$
   3  *
   4  */
   5
   6 #include "webcit.h"
   7 #include "groupdav.h"
   8 #include "webserver.h"
   9
  10 int pastel_palette[9][3] = {
  11         { 0x80, 0x80, 0x80 },
  12         { 0xff, 0x80, 0x80 },
  13         { 0x80, 0x80, 0xff },
  14         { 0xff, 0xff, 0x80 },
  15         { 0x80, 0xff, 0x80 },
  16         { 0xff, 0x80, 0xff },
  17         { 0x80, 0xff, 0xff },
  18         { 0xff, 0x80, 0x80 },
  19         { 0x80, 0x80, 0x80 }
  20 };
  21
  22
  23 /*
  24  * Display a <div> containing a rendered sticky note.
  25  */
  26 void display_vnote_div(struct vnote *v) {
  27         int i;
  28
  29
  30         wprintf("<div id=\"note-%s\" ", v->uid);        /* begin outer div */
  31         wprintf("class=\"stickynote_outer\" ");
  32         wprintf("style=\"");
  33         wprintf("left: %dpx; ", v->pos_left);
  34         wprintf("top: %dpx; ", v->pos_top);
  35         wprintf("width: %dpx; ", v->pos_width);
  36         wprintf("height: %dpx; ", v->pos_height);
  37         wprintf("background-color: #%02X%02X%02X ", v->color_red, v->color_green, v->color_blue);
  38         wprintf("\">");
  39
  40
  41
  42
  43
  44         wprintf("<div id=\"titlebar-%s\" ", v->uid);    /* begin title bar div */
  45         wprintf("class=\"stickynote_titlebar\" ");
  46         wprintf("onMouseDown=\"NotesDragMouseDown(event,'%s')\" ", v->uid);
  47         wprintf("style=\"");
  48         wprintf("background-color: #%02X%02X%02X ", v->color_red/2, v->color_green/2, v->color_blue/2);
  49         wprintf("\">");
  50
  51         wprintf("<table border=0 cellpadding=0 cellspacing=0 valign=middle width=100%%><tr>");
  52
  53         wprintf("<td align=left valign=middle>");
  54         wprintf("<img onclick=\"NotesClickPalette(event,'%s')\" ", v->uid);
  55         wprintf("src=\"static/8paint16.gif\">");
  56
  57         wprintf("</td>");
  58
  59         wprintf("<td></td>");   // nothing in the title bar, it's just for dragging
  60
  61         wprintf("<td align=right valign=middle>");
  62         wprintf("<img onclick=\"DeleteStickyNote(event,'%s','%s')\" ", v->uid, _("Delete this note?") );
  63         wprintf("src=\"static/closewindow.gif\">");
  64         wprintf("</td></tr></table>");
  65
  66         wprintf("</div>\n");                            // end title bar div
  67
  68
  69
  70
  71
  72         wprintf("<div id=\"notebody-%s\" ", v->uid);    // begin body div
  73         wprintf("class=\"stickynote_body\"");
  74         wprintf(">");
  75         escputs(v->body);
  76         wprintf("</div>\n");                            // end body div
  77
  78         StrBufAppendPrintf(WC->trailing_javascript,
  79                 " new Ajax.InPlaceEditor('notebody-%s', 'ajax_update_note?note_uid=%s', "
  80                 "{rows:%d,cols:%d,onEnterHover:false,onLeaveHover:false,"
  81                 "okText:'%s',cancelText:'%s',clickToEditText:'%s'});",
  82                 v->uid,
  83                 v->uid,
  84                 (v->pos_height / 16) - 5,
  85                 (v->pos_width / 9) - 1,
  86                 _("Save"),
  87                 _("Cancel"),
  88                 _("Click on any note to edit it.")
  89         );
  90
  91         wprintf("<div id=\"resize-%s\" ", v->uid);      // begin resize handle div
  92         wprintf("class=\"stickynote_resize\" ");
  93         wprintf("onMouseDown=\"NotesResizeMouseDown(event,'%s')\"", v->uid);
  94         wprintf("> </div>");                            // end resize handle div
  95
  96
  97
  98
  99         /* embed color selector - it doesn't have to be inside the title bar html because
 100          * it's a separate div placed by css
 101          */
 102         wprintf("<div id=\"palette-%s\" ", v->uid);     // begin stickynote_palette div
 103         wprintf("class=\"stickynote_palette\">");
 104
 105         wprintf("<table border=0 cellpadding=0 cellspacing=0>");
 106         for (i=0; i<9; ++i) {
 107                 if ((i%3)==0) wprintf("<tr>");
 108                 wprintf("<td ");
 109                 wprintf("onClick=\"NotesClickColor(event,'%s',%d,%d,%d,'#%02x%02x%02x','#%02x%02x%02x')\" ",
 110                         v->uid,
 111                         pastel_palette[i][0],           // color values to pass to ajax call
 112                         pastel_palette[i][1],
 113                         pastel_palette[i][2],
 114                         pastel_palette[i][0],           // new color of note
 115                         pastel_palette[i][1],
 116                         pastel_palette[i][2],
 117                         pastel_palette[i][0] / 2,       // new color of title bar
 118                         pastel_palette[i][1] / 2,
 119                         pastel_palette[i][2] / 2
 120                 );
 121                 wprintf("bgcolor=\"#%02x%02x%02x\"> </td>",
 122                         pastel_palette[i][0],
 123                         pastel_palette[i][1],
 124                         pastel_palette[i][2]
 125                 );
 126                 if (((i+1)%3)==0) wprintf("</tr>");
 127         }
 128         wprintf("</table>");
 129
 130         wprintf("</div>");                              // end stickynote_palette div
 131
 132
 133
 134
 135
 136         wprintf("</div>\n");                            // end outer div
 137 }
 138
 139
 140
 141 /*
 142  * Fetch a message from the server and extract a vNote from it
 143  */
 144 struct vnote *vnote_new_from_msg(long msgnum) {
 145         char buf[1024];
 146         char mime_partnum[256];
 147         char mime_filename[256];
 148         char mime_content_type[256];
 149         char mime_disposition[256];
 150         int mime_length;
 151         char relevant_partnum[256];
 152         char *relevant_source = NULL;
 153         char uid_from_headers[256];
 154         int in_body = 0;
 155         int body_line_len = 0;
 156         int body_len = 0;
 157         struct vnote *vnote_from_body = NULL;
 158
 159         relevant_partnum[0] = 0;
 160         uid_from_headers[0] = 0;
 161         sprintf(buf, "MSG4 %ld", msgnum);       /* we need the mime headers */
 162         serv_puts(buf);
 163         serv_getln(buf, sizeof buf);
 164         if (buf[0] != '1') return NULL;
 165
 166         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 167                 if (!strncasecmp(buf, "exti=", 5)) {
 168                         safestrncpy(uid_from_headers, &buf[5], sizeof uid_from_headers);
 169                 }
 170                 else if (!strncasecmp(buf, "part=", 5)) {
 171                         extract_token(mime_filename, &buf[5], 1, '|', sizeof mime_filename);
 172                         extract_token(mime_partnum, &buf[5], 2, '|', sizeof mime_partnum);
 173                         extract_token(mime_disposition, &buf[5], 3, '|', sizeof mime_disposition);
 174                         extract_token(mime_content_type, &buf[5], 4, '|', sizeof mime_content_type);
 175                         mime_length = extract_int(&buf[5], 5);
 176
 177                         if (!strcasecmp(mime_content_type, "text/vnote")) {
 178                                 strcpy(relevant_partnum, mime_partnum);
 179                         }
 180                 }
 181                 else if ((in_body) && (IsEmptyStr(relevant_partnum)) && (!IsEmptyStr(uid_from_headers))) {
 182                         // Convert an old-style note to a vNote
 183                         if (!vnote_from_body) {
 184                                 vnote_from_body = vnote_new();
 185                                 vnote_from_body->uid = strdup(uid_from_headers);
 186                                 vnote_from_body->color_red = pastel_palette[3][0];
 187                                 vnote_from_body->color_green = pastel_palette[3][1];
 188                                 vnote_from_body->color_blue = pastel_palette[3][2];
 189                                 vnote_from_body->body = malloc(32768);
 190                                 vnote_from_body->body[0] = 0;
 191                                 body_len = 0;
 192                         }
 193                         body_line_len = strlen(buf);
 194                         if ((body_len + body_line_len + 10) < 32768) {
 195                                 strcpy(&vnote_from_body->body[body_len++], " ");
 196                                 strcpy(&vnote_from_body->body[body_len], buf);
 197                                 body_len += body_line_len;
 198                         }
 199                 }
 200                 else if (IsEmptyStr(buf)) {
 201                         in_body = 1;
 202                 }
 203         }
 204
 205         if (!IsEmptyStr(relevant_partnum)) {
 206                 relevant_source = load_mimepart(msgnum, relevant_partnum);
 207                 if (relevant_source != NULL) {
 208                         struct vnote *v = vnote_new_from_str(relevant_source);
 209                         free(relevant_source);
 210                         return(v);
 211                 }
 212         }
 213
 214         if (vnote_from_body) {
 215                 return(vnote_from_body);
 216         }
 217         return NULL;
 218 }
 219
 220
 221 /*
 222  * Serialize a vnote and write it to the server
 223  */
 224 void write_vnote_to_server(struct vnote *v)
 225 {
 226         char buf[1024];
 227         char *pch;
 228
 229         serv_puts("ENT0 1|||4");
 230         serv_getln(buf, sizeof buf);
 231         if (buf[0] == '4') {
 232                 serv_puts("Content-type: text/vnote");
 233                 serv_puts("");
 234                 pch = vnote_serialize(v);
 235                 serv_puts(pch);
 236                 free(pch);
 237                 serv_puts("000");
 238         }
 239 }
 240
 241
 242
 243
 244 /*
 245  * Background ajax call to receive updates from the browser when a note is moved, resized, or updated.
 246  */
 247 void ajax_update_note(void) {
 248
 249         char buf[1024];
 250         int msgnum;
 251         struct vnote *v = NULL;
 252
 253         if (!havebstr("note_uid")) {
 254                 begin_ajax_response();
 255                 wprintf("Received ajax_update_note() request without a note UID.");
 256                 end_ajax_response();
 257                 return;
 258         }
 259
 260         // lprintf(9, "Note UID = %s\n", bstr("note_uid"));
 261         serv_printf("EUID %s", bstr("note_uid"));
 262         serv_getln(buf, sizeof buf);
 263         if (buf[0] != '2') {
 264                 begin_ajax_response();
 265                 wprintf("Cannot find message containing vNote with the requested uid!");
 266                 end_ajax_response();
 267                 return;
 268         }
 269         msgnum = atol(&buf[4]);
 270         // lprintf(9, "Note msg = %ld\n", msgnum);
 271
 272         // Was this request a delete operation?  If so, nuke it...
 273         if (havebstr("deletenote")) {
 274                 if (!strcasecmp(bstr("deletenote"), "yes")) {
 275                         serv_printf("DELE %d", msgnum);
 276                         serv_getln(buf, sizeof buf);
 277                         begin_ajax_response();
 278                         wprintf("%s", buf);
 279                         end_ajax_response();
 280                         return;
 281                 }
 282         }
 283
 284         // If we get to this point it's an update, not a delete
 285         v = vnote_new_from_msg(msgnum);
 286         if (!v) {
 287                 begin_ajax_response();
 288                 wprintf("Cannot locate a vNote within message %d\n", msgnum);
 289                 end_ajax_response();
 290                 return;
 291         }
 292
 293         /* Make any requested changes */
 294         if (havebstr("top")) {
 295                 v->pos_top = atoi(bstr("top"));
 296         }
 297         if (havebstr("left")) {
 298                 v->pos_left = atoi(bstr("left"));
 299         }
 300         if (havebstr("height")) {
 301                 v->pos_height = atoi(bstr("height"));
 302         }
 303         if (havebstr("width")) {
 304                 v->pos_width = atoi(bstr("width"));
 305         }
 306         if (havebstr("red")) {
 307                 v->color_red = atoi(bstr("red"));
 308         }
 309         if (havebstr("green")) {
 310                 v->color_green = atoi(bstr("green"));
 311         }
 312         if (havebstr("blue")) {
 313                 v->color_blue = atoi(bstr("blue"));
 314         }
 315         if (havebstr("value")) {        // I would have preferred 'body' but InPlaceEditor hardcodes 'value'
 316                 if (v->body) free(v->body);
 317                 v->body = strdup(bstr("value"));
 318         }
 319
 320         /* Serialize it and save it to the message base.  Server will delete the old one. */
 321         write_vnote_to_server(v);
 322
 323         begin_ajax_response();
 324         if (v->body) {
 325                 escputs(v->body);
 326         }
 327         end_ajax_response();
 328
 329         vnote_free(v);
 330 }
 331
 332
 333
 334
 335 /*
 336  * display sticky notes
 337  *
 338  * msgnum = Message number on the local server of the note to be displayed
 339  */
 340 void display_note(message_summary *Msg, int unread) {
 341         struct vnote *v;
 342         WCTemplputParams TP;
 343
 344         memset(&TP, 0, sizeof(WCTemplputParams));
 345         TP.Filter.ContextType = CTX_VNOTE;
 346         v = vnote_new_from_msg(Msg->msgnum);
 347         if (v) {
 348 //              display_vnote_div(v);
 349                 TP.Context = v;
 350                 DoTemplate(HKEY("vnoteitem"),
 351                            WC->WBuf, &TP);
 352
 353
 354                 /* uncomment these lines to see ugly debugging info
 355                 StrBufAppendPrintf(WC->trailing_javascript,
 356                         "document.write('L: ' + $('note-%s').style.left + '; ');", v->uid);
 357                 StrBufAppendPrintf(WC->trailing_javascript,
 358                         "document.write('T: ' + $('note-%s').style.top + '; ');", v->uid);
 359                 StrBufAppendPrintf(WC->trailing_javascript,
 360                         "document.write('W: ' + $('note-%s').style.width + '; ');", v->uid);
 361                 StrBufAppendPrintf(WC->trailing_javascript,
 362                         "document.write('H: ' + $('note-%s').style.height + '<br>');", v->uid);
 363                 */
 364
 365                 vnote_free(v);
 366         }
 367 }
 368
 369
 370
 371 /*
 372  * Create a new note
 373  */
 374 void add_new_note(void) {
 375         struct vnote *v;
 376
 377         v = vnote_new();
 378         if (v) {
 379                 v->uid = malloc(128);
 380                 generate_uuid(v->uid);
 381                 v->color_red = pastel_palette[3][0];
 382                 v->color_green = pastel_palette[3][1];
 383                 v->color_blue = pastel_palette[3][2];
 384                 v->body = strdup(_("Click on any note to edit it."));
 385                 write_vnote_to_server(v);
 386                 vnote_free(v);
 387         }
 388
 389         readloop(readfwd);
 390 }
 391
 392
 393 void tmpl_vcard_put_posleft(StrBuf *Target, WCTemplputParams *TP)
 394 {
 395         struct vnote *v = (struct vnote *) CTX;
 396         StrBufAppendPrintf(Target, "%d", v->pos_left);
 397 }
 398
 399 void tmpl_vcard_put_postop(StrBuf *Target, WCTemplputParams *TP)
 400 {
 401         struct vnote *v = (struct vnote *) CTX;
 402         StrBufAppendPrintf(Target, "%d", v->pos_top);
 403 }
 404
 405 void tmpl_vcard_put_poswidth(StrBuf *Target, WCTemplputParams *TP)
 406 {
 407         struct vnote *v = (struct vnote *) CTX;
 408         StrBufAppendPrintf(Target, "%d", v->pos_width);
 409 }
 410
 411 void tmpl_vcard_put_posheight(StrBuf *Target, WCTemplputParams *TP)
 412 {
 413         struct vnote *v = (struct vnote *) CTX;
 414         StrBufAppendPrintf(Target, "%d", v->pos_height);
 415 }
 416
 417 void tmpl_vcard_put_posheight2(StrBuf *Target, WCTemplputParams *TP)
 418 {
 419         struct vnote *v = (struct vnote *) CTX;
 420         StrBufAppendPrintf(Target, "%d", (v->pos_height / 16) - 5);
 421 }
 422
 423 void tmpl_vcard_put_width2(StrBuf *Target, WCTemplputParams *TP)
 424 {
 425         struct vnote *v = (struct vnote *) CTX;
 426         StrBufAppendPrintf(Target, "%d", (v->pos_width / 9) - 1);
 427 }
 428
 429 void tmpl_vcard_put_color(StrBuf *Target, WCTemplputParams *TP)
 430 {
 431         struct vnote *v = (struct vnote *) CTX;
 432         StrBufAppendPrintf(Target, "%02X%02X%02X", v->color_red, v->color_green, v->color_blue);
 433 }
 434
 435 void tmpl_vcard_put_bgcolor(StrBuf *Target, WCTemplputParams *TP)
 436 {
 437         struct vnote *v = (struct vnote *) CTX;
 438         StrBufAppendPrintf(Target, "%02X%02X%02X", v->color_red/2, v->color_green/2, v->color_blue/2);
 439 }
 440
 441 void tmpl_vcard_put_message(StrBuf *Target, WCTemplputParams *TP)
 442 {
 443         struct vnote *v = (struct vnote *) CTX;
 444         StrEscAppend(Target, NULL, v->body, 0, 0); ///TODO?
 445 }
 446
 447 void tmpl_vcard_put_uid(StrBuf *Target, WCTemplputParams *TP)
 448 {
 449         struct vnote *v = (struct vnote *) CTX;
 450         StrBufAppendBufPlain(Target, v->uid, -1, 0);
 451 }
 452
 453 void
 454 InitModule_NOTES
 455 (void)
 456 {
 457         WebcitAddUrlHandler(HKEY("add_new_note"), add_new_note, 0);
 458         WebcitAddUrlHandler(HKEY("ajax_update_note"), ajax_update_note, 0);
 459
 460         RegisterNamespace("VNOTE:POS:LEFT", 0, 0, tmpl_vcard_put_posleft, CTX_VNOTE);
 461         RegisterNamespace("VNOTE:POS:TOP", 0, 0, tmpl_vcard_put_postop, CTX_VNOTE);
 462         RegisterNamespace("VNOTE:POS:WIDTH", 0, 0, tmpl_vcard_put_poswidth, CTX_VNOTE);
 463         RegisterNamespace("VNOTE:POS:HEIGHT", 0, 0, tmpl_vcard_put_posheight, CTX_VNOTE);
 464         RegisterNamespace("VNOTE:POS:HEIGHT2", 0, 0, tmpl_vcard_put_posheight2, CTX_VNOTE);
 465         RegisterNamespace("VNOTE:POS:WIDTH2", 0, 0, tmpl_vcard_put_width2, CTX_VNOTE);
 466         RegisterNamespace("VNOTE:COLOR", 0, 0, tmpl_vcard_put_color, CTX_VNOTE);
 467         RegisterNamespace("VNOTE:BGCOLOR", 0, 0,tmpl_vcard_put_bgcolor, CTX_VNOTE);
 468         RegisterNamespace("VNOTE:MSG", 0, 1, tmpl_vcard_put_message, CTX_VNOTE);
 469         RegisterNamespace("VNOTE:UID", 0, 0, tmpl_vcard_put_uid, CTX_VNOTE);
 470 }