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         /* begin outer div */
  30
  31         wprintf("<div id=\"note-%s\" ", v->uid);
  32         wprintf("class=\"stickynote_outer\" ");
  33         wprintf("style=\"");
  34         wprintf("left: %dpx; ", v->pos_left);
  35         wprintf("top: %dpx; ", v->pos_top);
  36         wprintf("width: %dpx; ", v->pos_width);
  37         wprintf("height: %dpx; ", v->pos_height);
  38         wprintf("background-color: #%02X%02X%02X ", v->color_red, v->color_green, v->color_blue);
  39         wprintf("\">");
  40
  41         /* begin title bar */
  42
  43         wprintf("<div id=\"titlebar-%s\" ", v->uid);
  44         wprintf("class=\"stickynote_titlebar\" ");
  45         wprintf("onMouseDown=\"NotesDragMouseDown(event,'%s')\" ", v->uid);
  46         wprintf("style=\"");
  47         wprintf("background-color: #%02X%02X%02X ", v->color_red/2, v->color_green/2, v->color_blue/2);
  48         wprintf("\">");
  49
  50         wprintf("<table border=0 cellpadding=0 cellspacing=0 valign=middle width=100%%><tr>");
  51
  52         wprintf("<td align=left valign=middle>");
  53         wprintf("<img onclick=\"NotesClickPalette(event,'%s')\" ", v->uid);
  54         wprintf("src=\"static/8paint16.gif\">");
  55
  56         /* embed color selector */
  57         wprintf("<div id=\"palette-%s\" ", v->uid);
  58         wprintf("class=\"stickynote_palette\" ");
  59         wprintf("<table border=0 cellpadding=0 cellspacing=0>");
  60         for (i=0; i<9; ++i) {
  61                 if ((i%3)==0) wprintf("<tr>");
  62                 wprintf("<td ");
  63                 wprintf("onClick=\"NotesClickColor(event,'%s',%d,%d,%d,'#%02x%02x%02x','#%02x%02x%02x')\" ",
  64                         v->uid,
  65                         pastel_palette[i][0],           // color values to pass to ajax call
  66                         pastel_palette[i][1],
  67                         pastel_palette[i][2],
  68                         pastel_palette[i][0],           // new color of note
  69                         pastel_palette[i][1],
  70                         pastel_palette[i][2],
  71                         pastel_palette[i][0] / 2,       // new color of title bar
  72                         pastel_palette[i][1] / 2,
  73                         pastel_palette[i][2] / 2
  74                 );
  75                 wprintf("bgcolor=\"#%02x%02x%02x\"> </td>",
  76                         pastel_palette[i][0],
  77                         pastel_palette[i][1],
  78                         pastel_palette[i][2]
  79                 );
  80                 if (((i+1)%3)==0) wprintf("</tr>");
  81         }
  82         wprintf("</table>");
  83         wprintf("</div>");
  84
  85         wprintf("</td>");
  86
  87         wprintf("<td></td>");   // nothing in the title bar, it's just for dragging
  88
  89         wprintf("<td align=right valign=middle>");
  90         wprintf("<img onclick=\"DeleteStickyNote(event,'%s','%s')\" ", v->uid, _("Delete this note?") );
  91         wprintf("src=\"static/closewindow.gif\">");
  92         wprintf("</td></tr></table>");
  93
  94         wprintf("</div>\n");
  95
  96         /* begin note body */
  97
  98         wprintf("<div id=\"notebody-%s\" ", v->uid);
  99         wprintf("class=\"stickynote_body\"");
 100         wprintf(">");
 101         escputs(v->body);
 102         wprintf("</div>\n");
 103
 104         wprintf("<script type=\"text/javascript\">");
 105         wprintf(" new Ajax.InPlaceEditor('notebody-%s', 'ajax_update_note?note_uid=%s', "
 106                 "{rows:%d,cols:%d,onEnterHover:false,onLeaveHover:false,"
 107                 "okText:'%s',cancelText:'%s',clickToEditText:'%s'});",
 108                 v->uid,
 109                 v->uid,
 110                 (v->pos_height / 16) - 5,
 111                 (v->pos_width / 9) - 1,
 112                 _("Save"),
 113                 _("Cancel"),
 114                 _("Click on any note to edit it.")
 115         );
 116         wprintf("</script>\n");
 117
 118         /* begin resize handle */
 119
 120         wprintf("<div id=\"resize-%s\" ", v->uid);
 121         wprintf("class=\"stickynote_resize\" ");
 122         wprintf("onMouseDown=\"NotesResizeMouseDown(event,'%s')\"", v->uid);
 123         wprintf("> </div>");
 124
 125         /* end of note */
 126
 127         wprintf("</div>\n");
 128 }
 129
 130
 131
 132 /*
 133  * Fetch a message from the server and extract a vNote from it
 134  */
 135 struct vnote *vnote_new_from_msg(long msgnum) {
 136         char buf[1024];
 137         char mime_partnum[256];
 138         char mime_filename[256];
 139         char mime_content_type[256];
 140         char mime_disposition[256];
 141         int mime_length;
 142         char relevant_partnum[256];
 143         char *relevant_source = NULL;
 144         char uid_from_headers[256];
 145         int in_body = 0;
 146         int body_line_len = 0;
 147         int body_len = 0;
 148         struct vnote *vnote_from_body = NULL;
 149
 150         relevant_partnum[0] = 0;
 151         uid_from_headers[0] = 0;
 152         sprintf(buf, "MSG4 %ld", msgnum);       /* we need the mime headers */
 153         serv_puts(buf);
 154         serv_getln(buf, sizeof buf);
 155         if (buf[0] != '1') return NULL;
 156
 157         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 158                 if (!strncasecmp(buf, "exti=", 5)) {
 159                         safestrncpy(uid_from_headers, &buf[5], sizeof uid_from_headers);
 160                 }
 161                 else if (!strncasecmp(buf, "part=", 5)) {
 162                         extract_token(mime_filename, &buf[5], 1, '|', sizeof mime_filename);
 163                         extract_token(mime_partnum, &buf[5], 2, '|', sizeof mime_partnum);
 164                         extract_token(mime_disposition, &buf[5], 3, '|', sizeof mime_disposition);
 165                         extract_token(mime_content_type, &buf[5], 4, '|', sizeof mime_content_type);
 166                         mime_length = extract_int(&buf[5], 5);
 167
 168                         if (!strcasecmp(mime_content_type, "text/vnote")) {
 169                                 strcpy(relevant_partnum, mime_partnum);
 170                         }
 171                 }
 172                 else if ((in_body) && (IsEmptyStr(relevant_partnum)) && (!IsEmptyStr(uid_from_headers))) {
 173                         // Convert an old-style note to a vNote
 174                         if (!vnote_from_body) {
 175                                 vnote_from_body = vnote_new();
 176                                 vnote_from_body->uid = strdup(uid_from_headers);
 177                                 vnote_from_body->color_red = pastel_palette[3][0];
 178                                 vnote_from_body->color_green = pastel_palette[3][1];
 179                                 vnote_from_body->color_blue = pastel_palette[3][2];
 180                                 vnote_from_body->body = malloc(32768);
 181                                 vnote_from_body->body[0] = 0;
 182                                 body_len = 0;
 183                         }
 184                         body_line_len = strlen(buf);
 185                         if ((body_len + body_line_len + 10) < 32768) {
 186                                 strcpy(&vnote_from_body->body[body_len++], " ");
 187                                 strcpy(&vnote_from_body->body[body_len], buf);
 188                                 body_len += body_line_len;
 189                         }
 190                 }
 191                 else if (IsEmptyStr(buf)) {
 192                         in_body = 1;
 193                 }
 194         }
 195
 196         if (!IsEmptyStr(relevant_partnum)) {
 197                 relevant_source = load_mimepart(msgnum, relevant_partnum);
 198                 if (relevant_source != NULL) {
 199                         struct vnote *v = vnote_new_from_str(relevant_source);
 200                         free(relevant_source);
 201                         return(v);
 202                 }
 203         }
 204
 205         if (vnote_from_body) {
 206                 return(vnote_from_body);
 207         }
 208         return NULL;
 209 }
 210
 211
 212 /*
 213  * Serialize a vnote and write it to the server
 214  */
 215 void write_vnote_to_server(struct vnote *v)
 216 {
 217         char buf[1024];
 218
 219         serv_puts("ENT0 1|||4");
 220         serv_getln(buf, sizeof buf);
 221         if (buf[0] == '4') {
 222                 serv_puts("Content-type: text/vnote");
 223                 serv_puts("");
 224                 serv_puts(vnote_serialize(v));
 225                 serv_puts("000");
 226         }
 227 }
 228
 229
 230
 231
 232 /*
 233  * Background ajax call to receive updates from the browser when a note is moved, resized, or updated.
 234  */
 235 void ajax_update_note(void) {
 236
 237         char buf[1024];
 238         int msgnum;
 239         struct vnote *v = NULL;
 240
 241         if (!havebstr("note_uid")) {
 242                 begin_ajax_response();
 243                 wprintf("Received ajax_update_note() request without a note UID.");
 244                 end_ajax_response();
 245                 return;
 246         }
 247
 248         lprintf(9, "Note UID = %s\n", bstr("note_uid"));
 249         serv_printf("EUID %s", bstr("note_uid"));
 250         serv_getln(buf, sizeof buf);
 251         if (buf[0] != '2') {
 252                 begin_ajax_response();
 253                 wprintf("Cannot find message containing vNote with the requested uid!");
 254                 end_ajax_response();
 255                 return;
 256         }
 257         msgnum = atol(&buf[4]);
 258         lprintf(9, "Note msg = %ld\n", msgnum);
 259
 260         // Was this request a delete operation?  If so, nuke it...
 261         if (havebstr("deletenote")) {
 262                 if (!strcasecmp(bstr("deletenote"), "yes")) {
 263                         serv_printf("DELE %ld", msgnum);
 264                         serv_getln(buf, sizeof buf);
 265                         begin_ajax_response();
 266                         wprintf("%s", buf);
 267                         end_ajax_response();
 268                         return;
 269                 }
 270         }
 271
 272         // If we get to this point it's an update, not a delete
 273         v = vnote_new_from_msg(msgnum);
 274         if (!v) {
 275                 begin_ajax_response();
 276                 wprintf("Cannot locate a vNote within message %ld\n", msgnum);
 277                 end_ajax_response();
 278                 return;
 279         }
 280
 281         /* Make any requested changes */
 282         if (havebstr("top")) {
 283                 v->pos_top = atoi(bstr("top"));
 284         }
 285         if (havebstr("left")) {
 286                 v->pos_left = atoi(bstr("left"));
 287         }
 288         if (havebstr("height")) {
 289                 v->pos_height = atoi(bstr("height"));
 290         }
 291         if (havebstr("width")) {
 292                 v->pos_width = atoi(bstr("width"));
 293         }
 294         if (havebstr("red")) {
 295                 v->color_red = atoi(bstr("red"));
 296         }
 297         if (havebstr("green")) {
 298                 v->color_green = atoi(bstr("green"));
 299         }
 300         if (havebstr("blue")) {
 301                 v->color_blue = atoi(bstr("blue"));
 302         }
 303         if (havebstr("value")) {        // I would have preferred 'body' but InPlaceEditor hardcodes 'value'
 304                 if (v->body) free(v->body);
 305                 v->body = strdup(bstr("value"));
 306         }
 307
 308         /* Serialize it and save it to the message base.  Server will delete the old one. */
 309         write_vnote_to_server(v);
 310
 311         begin_ajax_response();
 312         if (v->body) {
 313                 escputs(v->body);
 314         }
 315         end_ajax_response();
 316
 317         vnote_free(v);
 318 }
 319
 320
 321
 322
 323 /*
 324  * display sticky notes
 325  *
 326  * msgnum = Message number on the local server of the note to be displayed
 327  */
 328 void display_note(long msgnum, int unread) {
 329         struct vnote *v;
 330
 331         v = vnote_new_from_msg(msgnum);
 332         if (v) {
 333                 display_vnote_div(v);
 334
 335                 /* uncomment these lines to see ugly debugging info
 336                 wprintf("<script type=\"text/javascript\">");
 337                 wprintf("document.write('L: ' + $('note-%s').style.left + '; ');", v->uid);
 338                 wprintf("document.write('T: ' + $('note-%s').style.top + '; ');", v->uid);
 339                 wprintf("document.write('W: ' + $('note-%s').style.width + '; ');", v->uid);
 340                 wprintf("document.write('H: ' + $('note-%s').style.height + '<br>');", v->uid);
 341                 wprintf("</script>");
 342                 */
 343
 344                 vnote_free(v);
 345         }
 346 }
 347
 348
 349
 350 /*
 351  * Create a new note
 352  */
 353 void add_new_note(void) {
 354         struct vnote *v;
 355
 356         v = vnote_new();
 357         if (v) {
 358                 v->uid = malloc(128);
 359                 generate_uuid(v->uid);
 360                 v->color_red = pastel_palette[3][0];
 361                 v->color_green = pastel_palette[3][1];
 362                 v->color_blue = pastel_palette[3][2];
 363                 v->body = strdup(_("Click on any note to edit it."));
 364                 write_vnote_to_server(v);
 365                 vnote_free(v);
 366         }
 367
 368         readloop("readfwd");
 369 }