viewfeed.js

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