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         wprintf("<script type=\"text/javascript\">");
  79         wprintf(" 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         wprintf("</script>\n");
  91
  92
  93
  94         wprintf("<div id=\"resize-%s\" ", v->uid);      // begin resize handle div
  95         wprintf("class=\"stickynote_resize\" ");
  96         wprintf("onMouseDown=\"NotesResizeMouseDown(event,'%s')\"", v->uid);
  97         wprintf("> </div>");                            // end resize handle div
  98
  99
 100
 101
 102         /* embed color selector - it doesn't have to be inside the title bar html because
 103          * it's a separate div placed by css
 104          */
 105         wprintf("<div id=\"palette-%s\" ", v->uid);     // begin stickynote_palette div
 106         wprintf("class=\"stickynote_palette\">");
 107
 108         wprintf("<table border=0 cellpadding=0 cellspacing=0>");
 109         for (i=0; i<9; ++i) {
 110                 if ((i%3)==0) wprintf("<tr>");
 111                 wprintf("<td ");
 112                 wprintf("onClick=\"NotesClickColor(event,'%s',%d,%d,%d,'#%02x%02x%02x','#%02x%02x%02x')\" ",
 113                         v->uid,
 114                         pastel_palette[i][0],           // color values to pass to ajax call
 115                         pastel_palette[i][1],
 116                         pastel_palette[i][2],
 117                         pastel_palette[i][0],           // new color of note
 118                         pastel_palette[i][1],
 119                         pastel_palette[i][2],
 120                         pastel_palette[i][0] / 2,       // new color of title bar
 121                         pastel_palette[i][1] / 2,
 122                         pastel_palette[i][2] / 2
 123                 );
 124                 wprintf("bgcolor=\"#%02x%02x%02x\"> </td>",
 125                         pastel_palette[i][0],
 126                         pastel_palette[i][1],
 127                         pastel_palette[i][2]
 128                 );
 129                 if (((i+1)%3)==0) wprintf("</tr>");
 130         }
 131         wprintf("</table>");
 132
 133         wprintf("</div>");                              // end stickynote_palette div
 134
 135
 136
 137
 138
 139         wprintf("</div>\n");                            // end outer div
 140 }
 141
 142
 143
 144 /*
 145  * Fetch a message from the server and extract a vNote from it
 146  */
 147 struct vnote *vnote_new_from_msg(long msgnum) {
 148         char buf[1024];
 149         char mime_partnum[256];
 150         char mime_filename[256];
 151         char mime_content_type[256];
 152         char mime_disposition[256];
 153         int mime_length;
 154         char relevant_partnum[256];
 155         char *relevant_source = NULL;
 156         char uid_from_headers[256];
 157         int in_body = 0;
 158         int body_line_len = 0;
 159         int body_len = 0;
 160         struct vnote *vnote_from_body = NULL;
 161
 162         relevant_partnum[0] = 0;
 163         uid_from_headers[0] = 0;
 164         sprintf(buf, "MSG4 %ld", msgnum);       /* we need the mime headers */
 165         serv_puts(buf);
 166         serv_getln(buf, sizeof buf);
 167         if (buf[0] != '1') return NULL;
 168
 169         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 170                 if (!strncasecmp(buf, "exti=", 5)) {
 171                         safestrncpy(uid_from_headers, &buf[5], sizeof uid_from_headers);
 172                 }
 173                 else if (!strncasecmp(buf, "part=", 5)) {
 174                         extract_token(mime_filename, &buf[5], 1, '|', sizeof mime_filename);
 175                         extract_token(mime_partnum, &buf[5], 2, '|', sizeof mime_partnum);
 176                         extract_token(mime_disposition, &buf[5], 3, '|', sizeof mime_disposition);
 177                         extract_token(mime_content_type, &buf[5], 4, '|', sizeof mime_content_type);
 178                         mime_length = extract_int(&buf[5], 5);
 179
 180                         if (!strcasecmp(mime_content_type, "text/vnote")) {
 181                                 strcpy(relevant_partnum, mime_partnum);
 182                         }
 183                 }
 184                 else if ((in_body) && (IsEmptyStr(relevant_partnum)) && (!IsEmptyStr(uid_from_headers))) {
 185                         // Convert an old-style note to a vNote
 186                         if (!vnote_from_body) {
 187                                 vnote_from_body = vnote_new();
 188                                 vnote_from_body->uid = strdup(uid_from_headers);
 189                                 vnote_from_body->color_red = pastel_palette[3][0];
 190                                 vnote_from_body->color_green = pastel_palette[3][1];
 191                                 vnote_from_body->color_blue = pastel_palette[3][2];
 192                                 vnote_from_body->body = malloc(32768);
 193                                 vnote_from_body->body[0] = 0;
 194                                 body_len = 0;
 195                         }
 196                         body_line_len = strlen(buf);
 197                         if ((body_len + body_line_len + 10) < 32768) {
 198                                 strcpy(&vnote_from_body->body[body_len++], " ");
 199                                 strcpy(&vnote_from_body->body[body_len], buf);
 200                                 body_len += body_line_len;
 201                         }
 202                 }
 203                 else if (IsEmptyStr(buf)) {
 204                         in_body = 1;
 205                 }
 206         }
 207
 208         if (!IsEmptyStr(relevant_partnum)) {
 209                 relevant_source = load_mimepart(msgnum, relevant_partnum);
 210                 if (relevant_source != NULL) {
 211                         struct vnote *v = vnote_new_from_str(relevant_source);
 212                         free(relevant_source);
 213                         return(v);
 214                 }
 215         }
 216
 217         if (vnote_from_body) {
 218                 return(vnote_from_body);
 219         }
 220         return NULL;
 221 }
 222
 223
 224 /*
 225  * Serialize a vnote and write it to the server
 226  */
 227 void write_vnote_to_server(struct vnote *v)
 228 {
 229         char buf[1024];
 230
 231         serv_puts("ENT0 1|||4");
 232         serv_getln(buf, sizeof buf);
 233         if (buf[0] == '4') {
 234                 serv_puts("Content-type: text/vnote");
 235                 serv_puts("");
 236                 serv_puts(vnote_serialize(v));
 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 %ld", 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 %ld\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(long msgnum, int unread) {
 341         struct vnote *v;
 342
 343         v = vnote_new_from_msg(msgnum);
 344         if (v) {
 345                 display_vnote_div(v);
 346
 347                 /* uncomment these lines to see ugly debugging info
 348                 wprintf("<script type=\"text/javascript\">");
 349                 wprintf("document.write('L: ' + $('note-%s').style.left + '; ');", v->uid);
 350                 wprintf("document.write('T: ' + $('note-%s').style.top + '; ');", v->uid);
 351                 wprintf("document.write('W: ' + $('note-%s').style.width + '; ');", v->uid);
 352                 wprintf("document.write('H: ' + $('note-%s').style.height + '<br>');", v->uid);
 353                 wprintf("</script>");
 354                 */
 355
 356                 vnote_free(v);
 357         }
 358 }
 359
 360
 361
 362 /*
 363  * Create a new note
 364  */
 365 void add_new_note(void) {
 366         struct vnote *v;
 367
 368         v = vnote_new();
 369         if (v) {
 370                 v->uid = malloc(128);
 371                 generate_uuid(v->uid);
 372                 v->color_red = pastel_palette[3][0];
 373                 v->color_green = pastel_palette[3][1];
 374                 v->color_blue = pastel_palette[3][2];
 375                 v->body = strdup(_("Click on any note to edit it."));
 376                 write_vnote_to_server(v);
 377                 vnote_free(v);
 378         }
 379
 380         readloop("readfwd");
 381 }