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,"
 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(">");
 124
 125         wprintf("<img src=\"static/resizecorner.png\">");
 126
 127         wprintf("</div>\n");
 128
 129         /* end of note */
 130
 131         wprintf("</div>\n");
 132 }
 133
 134
 135
 136 /*
 137  * Fetch a message from the server and extract a vNote from it
 138  */
 139 struct vnote *vnote_new_from_msg(long msgnum) {
 140         char buf[1024];
 141         char mime_partnum[256];
 142         char mime_filename[256];
 143         char mime_content_type[256];
 144         char mime_disposition[256];
 145         int mime_length;
 146         char relevant_partnum[256];
 147         char *relevant_source = NULL;
 148         char uid_from_headers[256];
 149         int in_body = 0;
 150         int body_line_len = 0;
 151         int body_len = 0;
 152         struct vnote *vnote_from_body = NULL;
 153
 154         relevant_partnum[0] = 0;
 155         uid_from_headers[0] = 0;
 156         sprintf(buf, "MSG4 %ld", msgnum);       /* we need the mime headers */
 157         serv_puts(buf);
 158         serv_getln(buf, sizeof buf);
 159         if (buf[0] != '1') return NULL;
 160
 161         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 162                 if (!strncasecmp(buf, "exti=", 5)) {
 163                         safestrncpy(uid_from_headers, &buf[5], sizeof uid_from_headers);
 164                 }
 165                 else if (!strncasecmp(buf, "part=", 5)) {
 166                         extract_token(mime_filename, &buf[5], 1, '|', sizeof mime_filename);
 167                         extract_token(mime_partnum, &buf[5], 2, '|', sizeof mime_partnum);
 168                         extract_token(mime_disposition, &buf[5], 3, '|', sizeof mime_disposition);
 169                         extract_token(mime_content_type, &buf[5], 4, '|', sizeof mime_content_type);
 170                         mime_length = extract_int(&buf[5], 5);
 171
 172                         if (!strcasecmp(mime_content_type, "text/vnote")) {
 173                                 strcpy(relevant_partnum, mime_partnum);
 174                         }
 175                 }
 176                 else if ((in_body) && (IsEmptyStr(relevant_partnum)) && (!IsEmptyStr(uid_from_headers))) {
 177                         // Convert an old-style note to a vNote
 178                         if (!vnote_from_body) {
 179                                 vnote_from_body = vnote_new();
 180                                 vnote_from_body->uid = strdup(uid_from_headers);
 181                                 vnote_from_body->color_red = pastel_palette[3][0];
 182                                 vnote_from_body->color_green = pastel_palette[3][1];
 183                                 vnote_from_body->color_blue = pastel_palette[3][2];
 184                                 vnote_from_body->body = malloc(32768);
 185                                 vnote_from_body->body[0] = 0;
 186                                 body_len = 0;
 187                         }
 188                         body_line_len = strlen(buf);
 189                         if ((body_len + body_line_len + 10) < 32768) {
 190                                 strcpy(&vnote_from_body->body[body_len++], " ");
 191                                 strcpy(&vnote_from_body->body[body_len], buf);
 192                                 body_len += body_line_len;
 193                         }
 194                 }
 195                 else if (IsEmptyStr(buf)) {
 196                         in_body = 1;
 197                 }
 198         }
 199
 200         if (!IsEmptyStr(relevant_partnum)) {
 201                 relevant_source = load_mimepart(msgnum, relevant_partnum);
 202                 if (relevant_source != NULL) {
 203                         struct vnote *v = vnote_new_from_str(relevant_source);
 204                         free(relevant_source);
 205                         return(v);
 206                 }
 207         }
 208
 209         if (vnote_from_body) {
 210                 return(vnote_from_body);
 211         }
 212         return NULL;
 213 }
 214
 215
 216 /*
 217  * Serialize a vnote and write it to the server
 218  */
 219 void write_vnote_to_server(struct vnote *v)
 220 {
 221         char buf[1024];
 222
 223         serv_puts("ENT0 1|||4");
 224         serv_getln(buf, sizeof buf);
 225         if (buf[0] == '4') {
 226                 serv_puts("Content-type: text/vnote");
 227                 serv_puts("");
 228                 serv_puts(vnote_serialize(v));
 229                 serv_puts("000");
 230         }
 231 }
 232
 233
 234
 235
 236 /*
 237  * Background ajax call to receive updates from the browser when a note is moved, resized, or updated.
 238  */
 239 void ajax_update_note(void) {
 240
 241         char buf[1024];
 242         int msgnum;
 243         struct vnote *v = NULL;
 244
 245         if (!havebstr("note_uid")) {
 246                 begin_ajax_response();
 247                 wprintf("Received ajax_update_note() request without a note UID.");
 248                 end_ajax_response();
 249                 return;
 250         }
 251
 252         lprintf(9, "Note UID = %s\n", bstr("note_uid"));
 253         serv_printf("EUID %s", bstr("note_uid"));
 254         serv_getln(buf, sizeof buf);
 255         if (buf[0] != '2') {
 256                 begin_ajax_response();
 257                 wprintf("Cannot find message containing vNote with the requested uid!");
 258                 end_ajax_response();
 259                 return;
 260         }
 261         msgnum = atol(&buf[4]);
 262         lprintf(9, "Note msg = %ld\n", msgnum);
 263
 264         // Was this request a delete operation?  If so, nuke it...
 265         if (havebstr("deletenote")) {
 266                 if (!strcasecmp(bstr("deletenote"), "yes")) {
 267                         serv_printf("DELE %ld", msgnum);
 268                         serv_getln(buf, sizeof buf);
 269                         begin_ajax_response();
 270                         wprintf("%s", buf);
 271                         end_ajax_response();
 272                         return;
 273                 }
 274         }
 275
 276         // If we get to this point it's an update, not a delete
 277         v = vnote_new_from_msg(msgnum);
 278         if (!v) {
 279                 begin_ajax_response();
 280                 wprintf("Cannot locate a vNote within message %ld\n", msgnum);
 281                 end_ajax_response();
 282                 return;
 283         }
 284
 285         /* Make any requested changes */
 286         if (havebstr("top")) {
 287                 v->pos_top = atoi(bstr("top"));
 288         }
 289         if (havebstr("left")) {
 290                 v->pos_left = atoi(bstr("left"));
 291         }
 292         if (havebstr("height")) {
 293                 v->pos_height = atoi(bstr("height"));
 294         }
 295         if (havebstr("width")) {
 296                 v->pos_width = atoi(bstr("width"));
 297         }
 298         if (havebstr("red")) {
 299                 v->color_red = atoi(bstr("red"));
 300         }
 301         if (havebstr("green")) {
 302                 v->color_green = atoi(bstr("green"));
 303         }
 304         if (havebstr("blue")) {
 305                 v->color_blue = atoi(bstr("blue"));
 306         }
 307         if (havebstr("value")) {        // I would have preferred 'body' but InPlaceEditor hardcodes 'value'
 308                 if (v->body) free(v->body);
 309                 v->body = strdup(bstr("value"));
 310         }
 311
 312         /* Serialize it and save it to the message base.  Server will delete the old one. */
 313         write_vnote_to_server(v);
 314
 315         begin_ajax_response();
 316         if (v->body) {
 317                 escputs(v->body);
 318         }
 319         end_ajax_response();
 320
 321         vnote_free(v);
 322 }
 323
 324
 325
 326
 327 /*
 328  * display sticky notes
 329  *
 330  * msgnum = Message number on the local server of the note to be displayed
 331  */
 332 void display_note(long msgnum, int unread) {
 333         struct vnote *v;
 334
 335         v = vnote_new_from_msg(msgnum);
 336         if (v) {
 337                 display_vnote_div(v);
 338
 339                 /* uncomment these lines to see ugly debugging info
 340                 wprintf("<script type=\"text/javascript\">");
 341                 wprintf("document.write('L: ' + $('note-%s').style.left + '; ');", v->uid);
 342                 wprintf("document.write('T: ' + $('note-%s').style.top + '; ');", v->uid);
 343                 wprintf("document.write('W: ' + $('note-%s').style.width + '; ');", v->uid);
 344                 wprintf("document.write('H: ' + $('note-%s').style.height + '<br>');", v->uid);
 345                 wprintf("</script>");
 346                 */
 347
 348                 vnote_free(v);
 349         }
 350 }
 351
 352
 353
 354 /*
 355  * Create a new note
 356  */
 357 void add_new_note(void) {
 358         struct vnote *v;
 359
 360         v = vnote_new();
 361         if (v) {
 362                 v->uid = malloc(128);
 363                 generate_uuid(v->uid);
 364                 v->color_red = pastel_palette[3][0];
 365                 v->color_green = pastel_palette[3][1];
 366                 v->color_blue = pastel_palette[3][2];
 367                 v->body = strdup(_("Click on any note to edit it."));
 368                 write_vnote_to_server(v);
 369                 vnote_free(v);
 370         }
 371
 372         readloop("readfwd");
 373 }