viewfeed.js

   1 var active_post_id = false;
   2
   3 var xmlhttp_rpc = false;
   4
   5 /*@cc_on @*/
   6 /*@if (@_jscript_version >= 5)
   7 // JScript gives us Conditional compilation, we can cope with old IE versions.
   8 // and security blocked creation of the objects.
   9 try {
  10         xmlhttp_rpc = new ActiveXObject("Msxml2.XMLHTTP");
  11 } catch (e) {
  12         try {
  13                 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
  14         } catch (E) {
  15                 xmlhttp_rpc = false;
  16         }
  17 }
  18 @end @*/
  19
  20 if (!xmlhttp_rpc && typeof XMLHttpRequest!='undefined') {
  21         xmlhttp_rpc = new XMLHttpRequest();
  22 }
  23
  24 function view(id, feed_id) {
  25
  26         parent.debug("loading article: " + id + "/" + feed_id);
  27
  28         var f_document = parent.frames["feeds-frame"].document;
  29         var h_document = document;
  30         var m_document = parent.document;
  31
  32         enableHotkeys();
  33
  34         var crow = h_document.getElementById("RROW-" + id);
  35
  36         crow.className = crow.className.replace("Unread", "");
  37
  38         cleanSelected("headlinesList");
  39
  40         var upd_img_pic = h_document.getElementById("FUPDPIC-" + id);
  41
  42         if (upd_img_pic) {
  43                 upd_img_pic.src = "images/blank_icon.gif";
  44         }
  45
  46         active_post_id = id;
  47         setActiveFeedId(feed_id);
  48
  49         var content = m_document.getElementById("content-frame");
  50
  51         content.src = "backend.php?op=view&id=" + param_escape(id) +
  52                 "&feed=" + param_escape(feed_id);
  53
  54         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
  55         markHeadline(active_post_id);
  56
  57 }
  58
  59 function toggleMark(id) {
  60
  61         var f_document = parent.frames["feeds-frame"].document;
  62
  63         if (!xmlhttp_ready(xmlhttp_rpc)) {
  64                 printLockingError();
  65                 return;
  66         }
  67
  68         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
  69
  70         var mark_img = document.getElementById("FMARKPIC-" + id);
  71         var vfeedu = f_document.getElementById("FEEDU--1");
  72         var crow = document.getElementById("RROW-" + id);
  73
  74         if (mark_img.alt != "Reset mark") {
  75                 mark_img.src = "images/mark_set.png";
  76                 mark_img.alt = "Reset mark";
  77                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+')');
  78                 query = query + "&mark=1";
  79
  80                 if (vfeedu && crow.className.match("Unread")) {
  81                         vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
  82                 }
  83
  84         } else {
  85                 mark_img.src = "images/mark_unset.png";
  86                 mark_img.alt = "Set mark";
  87                 mark_img.setAttribute('onclick', 'javascript:toggleMark('+id+')');
  88                 query = query + "&mark=0";
  89
  90                 if (vfeedu && crow.className.match("Unread")) {
  91                         vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
  92                 }
  93
  94         }
  95
  96         var vfeedctr = f_document.getElementById("FEEDCTR--1");
  97         var vfeedr = f_document.getElementById("FEEDR--1");
  98
  99         if (vfeedu && vfeedctr) {
 100                 if ((+vfeedu.innerHTML) > 0) {
 101                         if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 102                                 vfeedr.className = vfeedr.className + "Unread";
 103                                 vfeedctr.className = "odd";
 104                         }
 105                 } else {
 106                         vfeedctr.className = "invisible";
 107                         vfeedr.className = vfeedr.className.replace("Unread", "");
 108                 }
 109         }
 110
 111         xmlhttp_rpc.open("GET", query, true);
 112         xmlhttp_rpc.onreadystatechange=rpc_pnotify_callback;
 113         xmlhttp_rpc.send(null);
 114
 115 }
 116
 117 function moveToPost(mode) {
 118
 119         // check for combined mode
 120         if (!document.getElementById("headlinesList"))
 121                 return;
 122
 123         var rows = getVisibleHeadlineIds();
 124
 125         var prev_id;
 126         var next_id;
 127
 128         if (active_post_id == false) {
 129                 next_id = getFirstVisibleHeadlineId();
 130                 prev_id = getLastVisibleHeadlineId();
 131         } else {
 132                 for (var i = 0; i < rows.length; i++) {
 133                         if (rows[i] == active_post_id) {
 134                                 prev_id = rows[i-1];
 135                                 next_id = rows[i+1];
 136                         }
 137                 }
 138         }
 139
 140         if (mode == "next") {
 141                 if (next_id != undefined) {
 142                         view(next_id, getActiveFeedId());
 143                 }
 144         }
 145
 146         if (mode == "prev") {
 147                 if ( prev_id != undefined) {
 148                         view(prev_id, getActiveFeedId());
 149                 }
 150         }
 151 }
 152
 153 function viewfeed(id) {
 154         var f = parent.frames["feeds-frame"];
 155         f.viewfeed(id, 0);
 156 }
 157
 158 function localHotkeyHandler(keycode) {
 159
 160         if (keycode == 78 || keycode == 40) { // n, down
 161                 return moveToPost('next');
 162         }
 163
 164         if (keycode == 80 || keycode == 38) { // p, up
 165                 return moveToPost('prev');
 166         }
 167
 168         if (keycode == 65) { // a
 169                 return parent.toggleDispRead();
 170         }
 171
 172         if (keycode == 85) { // u
 173                 if (parent.getActiveFeedId()) {
 174                         return parent.viewfeed(parent.getActiveFeedId(), 0, "ForceUpdate");
 175                 }
 176         }
 177
 178         if (keycode == 82) { // r
 179                 return parent.scheduleFeedUpdate(true);
 180         }
 181
 182         var f_doc = parent.frames["feeds-frame"].document;
 183         var feedlist = f_doc.getElementById('feedList');
 184
 185         if (keycode == 74) { // j
 186                 var feed = getActiveFeedId();
 187                 var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
 188                 if (new_feed) viewfeed(new_feed, 0, '');
 189         }
 190
 191         if (keycode == 75) { // k
 192                 var feed = getActiveFeedId();
 193                 var new_feed = getRelativeFeedId(feedlist, feed, 'next');
 194                 if (new_feed) viewfeed(new_feed, 0, '');
 195         }
 196
 197 // FIXME
 198 //      if (keycode == 85) {
 199 //              return viewfeed(active_feed_id, active_offset, "ForceUpdate");
 200 //      }
 201
 202         if (keycode == 83) { // s
 203                 selectionToggleMarked();
 204         }
 205
 206 //      alert("KC: " + keycode);
 207
 208 }
 209
 210 function toggleUnread(id, cmode) {
 211         try {
 212                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 213                         printLockingError();
 214                         return;
 215                 }
 216
 217                 var row = document.getElementById("RROW-" + id);
 218                 if (row) {
 219                         var nc = row.className;
 220                         nc = nc.replace("Unread", "");
 221                         nc = nc.replace("Selected", "");
 222
 223                         if (row.className.match("Unread")) {
 224                                 row.className = nc;
 225                         } else {
 226                                 row.className = nc + "Unread";
 227                         }
 228
 229                         if (!cmode) cmode = 2;
 230
 231                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 232                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 233
 234                         xmlhttp_rpc.open("GET", query, true);
 235                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 236                         xmlhttp_rpc.send(null);
 237
 238                 }
 239
 240
 241         } catch (e) {
 242                 exception_error("toggleUnread", e);
 243         }
 244 }
 245
 246 function selectionToggleUnread(cdm_mode) {
 247         try {
 248                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 249                         printLockingError();
 250                         return;
 251                 }
 252
 253                 var rows;
 254
 255                 if (cdm_mode) {
 256                         rows = cdmGetSelectedArticles();
 257                 } else {
 258                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 259                 }
 260
 261                 for (i = 0; i < rows.length; i++) {
 262                         var row = document.getElementById("RROW-" + rows[i]);
 263                         if (row) {
 264                                 var nc = row.className;
 265                                 nc = nc.replace("Unread", "");
 266                                 nc = nc.replace("Selected", "");
 267
 268                                 if (row.className.match("Unread")) {
 269                                         row.className = nc + "Selected";
 270                                 } else {
 271                                         row.className = nc + "UnreadSelected";
 272                                 }
 273                         }
 274                 }
 275
 276                 if (rows.length > 0) {
 277
 278                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 279                                 param_escape(rows.toString()) + "&cmode=2";
 280
 281                         xmlhttp_rpc.open("GET", query, true);
 282                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 283                         xmlhttp_rpc.send(null);
 284
 285                 }
 286
 287         } catch (e) {
 288                 exception_error("selectionToggleUnread", e);
 289         }
 290 }
 291
 292 function selectionToggleMarked(cdm_mode) {
 293         try {
 294                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 295                         printLockingError();
 296                         return;
 297                 }
 298
 299                 var rows;
 300
 301                 if (cdm_mode) {
 302                         rows = cdmGetSelectedArticles();
 303                 } else {
 304                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 305                 }
 306
 307                 for (i = 0; i < rows.length; i++) {
 308                         var row = document.getElementById("RROW-" + rows[i]);
 309                         var mark_img = document.getElementById("FMARKPIC-" + rows[i]);
 310
 311                         if (row && mark_img) {
 312
 313                                 if (mark_img.alt == "Set mark") {
 314                                         mark_img.src = "images/mark_set.png";
 315                                         mark_img.alt = "Reset mark";
 316                                         mark_img.setAttribute('onclick',
 317                                                 'javascript:toggleMark('+rows[i]+', false)');
 318
 319                                 } else {
 320                                         mark_img.src = "images/mark_unset.png";
 321                                         mark_img.alt = "Set mark";
 322                                         mark_img.setAttribute('onclick',
 323                                                 'javascript:toggleMark('+rows[i]+', true)');
 324                                 }
 325                         }
 326                 }
 327
 328                 if (rows.length > 0) {
 329
 330                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 331                                 param_escape(rows.toString()) + "&cmode=2";
 332
 333                         xmlhttp_rpc.open("GET", query, true);
 334                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 335                         xmlhttp_rpc.send(null);
 336
 337                 }
 338
 339         } catch (e) {
 340                 exception_error("selectionToggleMarked", e);
 341         }
 342 }
 343
 344 function cdmGetSelectedArticles() {
 345         var sel_articles = new Array();
 346         var container = document.getElementById("headlinesContainer");
 347
 348         for (i = 0; i < container.childNodes.length; i++) {
 349                 var child = container.childNodes[i];
 350
 351                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 352                         var c_id = child.id.replace("RROW-", "");
 353                         sel_articles.push(c_id);
 354                 }
 355         }
 356
 357         return sel_articles;
 358 }
 359
 360 // mode = all,none,unread
 361 function cdmSelectArticles(mode) {
 362         var container = document.getElementById("headlinesContainer");
 363
 364         for (i = 0; i < container.childNodes.length; i++) {
 365                 var child = container.childNodes[i];
 366
 367                 if (child.id.match("RROW-")) {
 368                         var aid = child.id.replace("RROW-", "");
 369
 370                         var cb = document.getElementById("RCHK-" + aid);
 371
 372                         if (mode == "all") {
 373                                 if (!child.className.match("Selected")) {
 374                                         child.className = child.className + "Selected";
 375                                         cb.checked = true;
 376                                 }
 377                         } else if (mode == "unread") {
 378                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 379                                         child.className = child.className + "Selected";
 380                                         cb.checked = true;
 381                                 }
 382                         } else {
 383                                 child.className = child.className.replace("Selected", "");
 384                                 cb.checked = false;
 385                         }
 386                 }
 387         }
 388 }
 389
 390 function catchupPage() {
 391         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 392         selectionToggleUnread();
 393         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 394 }
 395
 396
 397 function init() {
 398         if (arguments.callee.done) return;
 399         arguments.callee.done = true;
 400
 401         if (parent.frames["feeds-frame"]) {
 402                 document.onkeydown = hotkey_handler;
 403         }
 404
 405         var hw = document.getElementById("headlinesList").scrollHeight;
 406         var pw = parent.document.getElementById("headlines").scrollHeight;
 407
 408         if (hw >= pw) {
 409                 var bt = document.getElementById("headlineActionsBottom");
 410                 bt.className = "headlinesSubToolbar";
 411         }
 412
 413 }