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 selectionToggleUnread(cdm_mode) {
 211         try {
 212                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 213                         printLockingError();
 214                         return;
 215                 }
 216
 217                 var rows;
 218
 219                 if (cdm_mode) {
 220                         rows = cdmGetSelectedArticles();
 221                 } else {
 222                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 223                 }
 224
 225                 for (i = 0; i < rows.length; i++) {
 226                         var row = document.getElementById("RROW-" + rows[i]);
 227                         if (row) {
 228                                 var nc = row.className;
 229                                 nc = nc.replace("Unread", "");
 230                                 nc = nc.replace("Selected", "");
 231
 232                                 if (row.className.match("Unread")) {
 233                                         row.className = nc + "Selected";
 234                                 } else {
 235                                         row.className = nc + "UnreadSelected";
 236                                 }
 237                         }
 238                 }
 239
 240                 if (rows.length > 0) {
 241
 242                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 243                                 param_escape(rows.toString()) + "&cmode=2";
 244
 245                         xmlhttp_rpc.open("GET", query, true);
 246                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 247                         xmlhttp_rpc.send(null);
 248
 249                 }
 250
 251         } catch (e) {
 252                 exception_error("selectionToggleUnread", e);
 253         }
 254 }
 255
 256 function selectionToggleMarked(cdm_mode) {
 257         try {
 258                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 259                         printLockingError();
 260                         return;
 261                 }
 262
 263                 var rows;
 264
 265                 if (cdm_mode) {
 266                         rows = cdmGetSelectedArticles();
 267                 } else {
 268                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 269                 }
 270
 271                 for (i = 0; i < rows.length; i++) {
 272                         var row = document.getElementById("RROW-" + rows[i]);
 273                         var mark_img = document.getElementById("FMARKPIC-" + rows[i]);
 274
 275                         if (row && mark_img) {
 276
 277                                 if (mark_img.alt == "Set mark") {
 278                                         mark_img.src = "images/mark_set.png";
 279                                         mark_img.alt = "Reset mark";
 280                                         mark_img.setAttribute('onclick',
 281                                                 'javascript:toggleMark('+rows[i]+', false)');
 282
 283                                 } else {
 284                                         mark_img.src = "images/mark_unset.png";
 285                                         mark_img.alt = "Set mark";
 286                                         mark_img.setAttribute('onclick',
 287                                                 'javascript:toggleMark('+rows[i]+', true)');
 288                                 }
 289                         }
 290                 }
 291
 292                 if (rows.length > 0) {
 293
 294                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 295                                 param_escape(rows.toString()) + "&cmode=2";
 296
 297                         xmlhttp_rpc.open("GET", query, true);
 298                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 299                         xmlhttp_rpc.send(null);
 300
 301                 }
 302
 303         } catch (e) {
 304                 exception_error("selectionToggleMarked", e);
 305         }
 306 }
 307
 308 function cdmGetSelectedArticles() {
 309         var sel_articles = new Array();
 310         var container = document.getElementById("headlinesContainer");
 311
 312         for (i = 0; i < container.childNodes.length; i++) {
 313                 var child = container.childNodes[i];
 314
 315                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 316                         var c_id = child.id.replace("RROW-", "");
 317                         sel_articles.push(c_id);
 318                 }
 319         }
 320
 321         return sel_articles;
 322 }
 323
 324 // mode = all,none,unread
 325 function cdmSelectArticles(mode) {
 326         var container = document.getElementById("headlinesContainer");
 327
 328         for (i = 0; i < container.childNodes.length; i++) {
 329                 var child = container.childNodes[i];
 330
 331                 if (child.id.match("RROW-")) {
 332                         var aid = child.id.replace("RROW-", "");
 333
 334                         var cb = document.getElementById("RCHK-" + aid);
 335
 336                         if (mode == "all") {
 337                                 if (!child.className.match("Selected")) {
 338                                         child.className = child.className + "Selected";
 339                                         cb.checked = true;
 340                                 }
 341                         } else if (mode == "unread") {
 342                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 343                                         child.className = child.className + "Selected";
 344                                         cb.checked = true;
 345                                 }
 346                         } else {
 347                                 child.className = child.className.replace("Selected", "");
 348                                 cb.checked = false;
 349                         }
 350                 }
 351         }
 352 }
 353
 354 function catchupPage() {
 355         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 356         selectionToggleUnread();
 357         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 358 }
 359
 360
 361 function init() {
 362         if (arguments.callee.done) return;
 363         arguments.callee.done = true;
 364         document.onkeydown = hotkey_handler;
 365
 366         var hw = document.getElementById("headlinesList").scrollHeight;
 367         var pw = parent.document.getElementById("headlines").scrollHeight;
 368
 369         if (hw >= pw) {
 370                 var bt = document.getElementById("headlineActionsBottom");
 371                 bt.className = "headlinesSubToolbar";
 372         }
 373
 374 }