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         /* embed color selector */
  58         wprintf("<div id=\"palette-%s\" ", v->uid);     // begin stickynote_palette div
  59         wprintf("class=\"stickynote_palette\">");
  60
  61         wprintf("<table border=0 cellpadding=0 cellspacing=0>");
  62         for (i=0; i<9; ++i) {
  63                 if ((i%3)==0) wprintf("<tr>");
  64                 wprintf("<td ");
  65                 wprintf("onClick=\"NotesClickColor(event,'%s',%d,%d,%d,'#%02x%02x%02x','#%02x%02x%02x')\" ",
  66                         v->uid,
  67                         pastel_palette[i][0],           // color values to pass to ajax call
  68                         pastel_palette[i][1],
  69                         pastel_palette[i][2],
  70                         pastel_palette[i][0],           // new color of note
  71                         pastel_palette[i][1],
  72                         pastel_palette[i][2],
  73                         pastel_palette[i][0] / 2,       // new color of title bar
  74                         pastel_palette[i][1] / 2,
  75                         pastel_palette[i][2] / 2
  76                 );
  77                 wprintf("bgcolor=\"#%02x%02x%02x\"> </td>",
  78                         pastel_palette[i][0],
  79                         pastel_palette[i][1],
  80                         pastel_palette[i][2]
  81                 );
  82                 if (((i+1)%3)==0) wprintf("</tr>");
  83         }
  84         wprintf("</table>");
  85
  86         wprintf("</div>");                              // end stickynote_palette div
  87
  88         wprintf("</td>");
  89
  90         wprintf("<td></td>");   // nothing in the title bar, it's just for dragging
  91
  92         wprintf("<td align=right valign=middle>");
  93         wprintf("<img onclick=\"DeleteStickyNote(event,'%s','%s')\" ", v->uid, _("Delete this note?") );
  94         wprintf("src=\"static/closewindow.gif\">");
  95         wprintf("</td></tr></table>");
  96
  97         wprintf("</div>\n");                            // end title bar div
  98
  99
 100
 101
 102
 103         wprintf("<div id=\"notebody-%s\" ", v->uid);    // begin body div
 104         wprintf("class=\"stickynote_body\"");
 105         wprintf(">");
 106         escputs(v->body);
 107         wprintf("</div>\n");                            // end body div
 108
 109         wprintf("<script type=\"text/javascript\">");
 110         wprintf(" new Ajax.InPlaceEditor('notebody-%s', 'ajax_update_note?note_uid=%s', "
 111                 "{rows:%d,cols:%d,onEnterHover:false,onLeaveHover:false,"
 112                 "okText:'%s',cancelText:'%s',clickToEditText:'%s'});",
 113                 v->uid,
 114                 v->uid,
 115                 (v->pos_height / 16) - 5,
 116                 (v->pos_width / 9) - 1,
 117                 _("Save"),
 118                 _("Cancel"),
 119                 _("Click on any note to edit it.")
 120         );
 121         wprintf("</script>\n");
 122
 123
 124
 125         wprintf("<div id=\"resize-%s\" ", v->uid);      // begin resize handle div
 126         wprintf("class=\"stickynote_resize\" ");
 127         wprintf("onMouseDown=\"NotesResizeMouseDown(event,'%s')\"", v->uid);
 128         wprintf("> </div>");                            // end resize handle div
 129
 130
 131
 132         wprintf("</div>\n");                            // end outer div
 133 }
 134
 135
 136
 137 /*
 138  * Fetch a message from the server and extract a vNote from it
 139  */
 140 struct vnote *vnote_new_from_msg(long msgnum) {
 141         char buf[1024];
 142         char mime_partnum[256];
 143         char mime_filename[256];
 144         char mime_content_type[256];
 145         char mime_disposition[256];
 146         int mime_length;
 147         char relevant_partnum[256];
 148         char *relevant_source = NULL;
 149         char uid_from_headers[256];
 150         int in_body = 0;
 151         int body_line_len = 0;
 152         int body_len = 0;
 153         struct vnote *vnote_from_body = NULL;
 154
 155         relevant_partnum[0] = 0;
 156         uid_from_headers[0] = 0;
 157         sprintf(buf, "MSG4 %ld", msgnum);       /* we need the mime headers */
 158         serv_puts(buf);
 159         serv_getln(buf, sizeof buf);
 160         if (buf[0] != '1') return NULL;
 161
 162         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 163                 if (!strncasecmp(buf, "exti=", 5)) {
 164                         safestrncpy(uid_from_headers, &buf[5], sizeof uid_from_headers);
 165                 }
 166                 else if (!strncasecmp(buf, "part=", 5)) {
 167                         extract_token(mime_filename, &buf[5], 1, '|', sizeof mime_filename);
 168                         extract_token(mime_partnum, &buf[5], 2, '|', sizeof mime_partnum);
 169                         extract_token(mime_disposition, &buf[5], 3, '|', sizeof mime_disposition);
 170                         extract_token(mime_content_type, &buf[5], 4, '|', sizeof mime_content_type);
 171                         mime_length = extract_int(&buf[5], 5);
 172
 173                         if (!strcasecmp(mime_content_type, "text/vnote")) {
 174                                 strcpy(relevant_partnum, mime_partnum);
 175                         }
 176                 }
 177                 else if ((in_body) && (IsEmptyStr(relevant_partnum)) && (!IsEmptyStr(uid_from_headers))) {
 178                         // Convert an old-style note to a vNote
 179                         if (!vnote_from_body) {
 180                                 vnote_from_body = vnote_new();
 181                                 vnote_from_body->uid = strdup(uid_from_headers);
 182                                 vnote_from_body->color_red = pastel_palette[3][0];
 183                                 vnote_from_body->color_green = pastel_palette[3][1];
 184                                 vnote_from_body->color_blue = pastel_palette[3][2];
 185                                 vnote_from_body->body = malloc(32768);
 186                                 vnote_from_body->body[0] = 0;
 187                                 body_len = 0;
 188                         }
 189                         body_line_len = strlen(buf);
 190                         if ((body_len + body_line_len + 10) < 32768) {
 191                                 strcpy(&vnote_from_body->body[body_len++], " ");
 192                                 strcpy(&vnote_from_body->body[body_len], buf);
 193                                 body_len += body_line_len;
 194                         }
 195                 }
 196                 else if (IsEmptyStr(buf)) {
 197                         in_body = 1;
 198                 }
 199         }
 200
 201         if (!IsEmptyStr(relevant_partnum)) {
 202                 relevant_source = load_mimepart(msgnum, relevant_partnum);
 203                 if (relevant_source != NULL) {
 204                         struct vnote *v = vnote_new_from_str(relevant_source);
 205                         free(relevant_source);
 206                         return(v);
 207                 }
 208         }
 209
 210         if (vnote_from_body) {
 211                 return(vnote_from_body);
 212         }
 213         return NULL;
 214 }
 215
 216
 217 /*
 218  * Serialize a vnote and write it to the server
 219  */
 220 void write_vnote_to_server(struct vnote *v)
 221 {
 222         char buf[1024];
 223
 224         serv_puts("ENT0 1|||4");
 225         serv_getln(buf, sizeof buf);
 226         if (buf[0] == '4') {
 227                 serv_puts("Content-type: text/vnote");
 228                 serv_puts("");
 229                 serv_puts(vnote_serialize(v));
 230                 serv_puts("000");
 231         }
 232 }
 233
 234
 235
 236
 237 /*
 238  * Background ajax call to receive updates from the browser when a note is moved, resized, or updated.
 239  */
 240 void ajax_update_note(void) {
 241
 242         char buf[1024];
 243         int msgnum;
 244         struct vnote *v = NULL;
 245
 246         if (!havebstr("note_uid")) {
 247                 begin_ajax_response();
 248                 wprintf("Received ajax_update_note() request without a note UID.");
 249                 end_ajax_response();
 250                 return;
 251         }
 252
 253         // lprintf(9, "Note UID = %s\n", bstr("note_uid"));
 254         serv_printf("EUID %s", bstr("note_uid"));
 255         serv_getln(buf, sizeof buf);
 256         if (buf[0] != '2') {
 257                 begin_ajax_response();
 258                 wprintf("Cannot find message containing vNote with the requested uid!");
 259                 end_ajax_response();
 260                 return;
 261         }
 262         msgnum = atol(&buf[4]);
 263         // lprintf(9, "Note msg = %ld\n", msgnum);
 264
 265         // Was this request a delete operation?  If so, nuke it...
 266         if (havebstr("deletenote")) {
 267                 if (!strcasecmp(bstr("deletenote"), "yes")) {
 268                         serv_printf("DELE %ld", msgnum);
 269                         serv_getln(buf, sizeof buf);
 270                         begin_ajax_response();
 271                         wprintf("%s", buf);
 272                         end_ajax_response();
 273                         return;
 274                 }
 275         }
 276
 277         // If we get to this point it's an update, not a delete
 278         v = vnote_new_from_msg(msgnum);
 279         if (!v) {
 280                 begin_ajax_response();
 281                 wprintf("Cannot locate a vNote within message %ld\n", msgnum);
 282                 end_ajax_response();
 283                 return;
 284         }
 285
 286         /* Make any requested changes */
 287         if (havebstr("top")) {
 288                 v->pos_top = atoi(bstr("top"));
 289         }
 290         if (havebstr("left")) {
 291                 v->pos_left = atoi(bstr("left"));
 292         }
 293         if (havebstr("height")) {
 294                 v->pos_height = atoi(bstr("height"));
 295         }
 296         if (havebstr("width")) {
 297                 v->pos_width = atoi(bstr("width"));
 298         }
 299         if (havebstr("red")) {
 300                 v->color_red = atoi(bstr("red"));
 301         }
 302         if (havebstr("green")) {
 303                 v->color_green = atoi(bstr("green"));
 304         }
 305         if (havebstr("blue")) {
 306                 v->color_blue = atoi(bstr("blue"));
 307         }
 308         if (havebstr("value")) {        // I would have preferred 'body' but InPlaceEditor hardcodes 'value'
 309                 if (v->body) free(v->body);
 310                 v->body = strdup(bstr("value"));
 311         }
 312
 313         /* Serialize it and save it to the message base.  Server will delete the old one. */
 314         write_vnote_to_server(v);
 315
 316         begin_ajax_response();
 317         if (v->body) {
 318                 escputs(v->body);
 319         }
 320         end_ajax_response();
 321
 322         vnote_free(v);
 323 }
 324
 325
 326
 327
 328 /*
 329  * display sticky notes
 330  *
 331  * msgnum = Message number on the local server of the note to be displayed
 332  */
 333 void display_note(long msgnum, int unread) {
 334         struct vnote *v;
 335
 336         v = vnote_new_from_msg(msgnum);
 337         if (v) {
 338                 display_vnote_div(v);
 339
 340                 /* uncomment these lines to see ugly debugging info
 341                 wprintf("<script type=\"text/javascript\">");
 342                 wprintf("document.write('L: ' + $('note-%s').style.left + '; ');", v->uid);
 343                 wprintf("document.write('T: ' + $('note-%s').style.top + '; ');", v->uid);
 344                 wprintf("document.write('W: ' + $('note-%s').style.width + '; ');", v->uid);
 345                 wprintf("document.write('H: ' + $('note-%s').style.height + '<br>');", v->uid);
 346                 wprintf("</script>");
 347                 */
 348
 349                 vnote_free(v);
 350         }
 351 }
 352
 353
 354
 355 /*
 356  * Create a new note
 357  */
 358 void add_new_note(void) {
 359         struct vnote *v;
 360
 361         v = vnote_new();
 362         if (v) {
 363                 v->uid = malloc(128);
 364                 generate_uuid(v->uid);
 365                 v->color_red = pastel_palette[3][0];
 366                 v->color_green = pastel_palette[3][1];
 367                 v->color_blue = pastel_palette[3][2];
 368                 v->body = strdup(_("Click on any note to edit it."));
 369                 write_vnote_to_server(v);
 370                 vnote_free(v);
 371         }
 372
 373         readloop("readfwd");
 374 }