[tt-rss.git] / viewfeed.js

var active_post_id = false;
var _catchup_callback_func = false;
var last_article_view = false;
var active_real_feed_id = false;

var _tag_active_post_id = false;
var _tag_active_feed_id = false;
var _tag_active_cdm = false;

// FIXME: kludge, to restore scrollTop after tag editor terminates
var _tag_cdm_scroll = false;

// FIXME: kludges, needs proper implementation
var _reload_feedlist_after_view = false;

var _cdm_wd_timeout = false;
var _cdm_wd_vishist = new Array();

function catchup_callback() {
	if (xmlhttp_rpc.readyState == 4) {
		try {
			debug("catchup_callback");
			if (_catchup_callback_func) {
				setTimeout(_catchup_callback_func, 100);	
			}
			notify("");			
			all_counters_callback();
		} catch (e) {
			exception_error("catchup_callback", e);
		}
	}
}

function headlines_callback() {
	if (xmlhttp.readyState == 4) {
		debug("headlines_callback");
		var f = document.getElementById("headlines-frame");
		try {
			f.scrollTop = 0;
		} catch (e) { };
		f.innerHTML = xmlhttp.responseText;
		update_all_counters();
		if (typeof correctPNG != 'undefined') {
			correctPNG();
		}

		if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);

		if (!document.getElementById("headlinesList")) {
			debug("starting CDM watchdog");
			_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
			_cdm_wd_vishist = new Array();
		}

		if (_tag_cdm_scroll) {
			try {
				document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
				_tag_cdm_scroll = false;
			} catch (e) { }
		}

		notify("");
	}
}

function article_callback() {
	if (xmlhttp.readyState == 4) {
		debug("article_callback");
		var f = document.getElementById("content-frame");
		try {
			f.scrollTop = 0;
		} catch (e) { };
		f.innerHTML = xmlhttp.responseText;

		var date = new Date();
		last_article_view = date.getTime() / 1000;

		if (typeof correctPNG != 'undefined') {
			correctPNG();
		}

		if (_reload_feedlist_after_view) {
			setTimeout('updateFeedList(false, false)', 50);			
			_reload_feedlist_after_view = false;
		} else {
			update_all_counters();
		}

		notify("");
	}
}

function view(id, feed_id, skip_history) {
	
	try {
		debug("loading article: " + id + "/" + feed_id);

		active_real_feed_id = feed_id;

		if (!skip_history) {
			history_push("ARTICLE:" + id + ":" + feed_id);
		}
	
		enableHotkeys();
	
		active_post_id = id; 
		//setActiveFeedId(feed_id);

		var query = "backend.php?op=view&id=" + param_escape(id) +
			"&feed=" + param_escape(feed_id);

		var date = new Date();

		if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
			debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
			xmlhttp.abort();
		}

		if (xmlhttp_ready(xmlhttp)) {

			cleanSelected("headlinesList");

			var crow = document.getElementById("RROW-" + active_post_id);
			crow.className = crow.className.replace("Unread", "");

			var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);

			if (upd_img_pic) {
				upd_img_pic.src = "images/blank_icon.gif";
			}

			selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
			markHeadline(active_post_id);

			var date = new Date();
			var timestamp = Math.round(date.getTime() / 1000);
			query = query + "&ts=" + timestamp;

			notify_progress("Loading, please wait...");

			xmlhttp.open("GET", query, true);
			xmlhttp.onreadystatechange=article_callback;
			xmlhttp.send(null);
		} else {
			debug("xmlhttp busy (@view)");
			printLockingError();
		}  

	} catch (e) {
		exception_error("view", e);
	}
}

function toggleMark(id) {

	if (!xmlhttp_ready(xmlhttp_rpc)) {
		printLockingError();
		return;
	}

	var query = "backend.php?op=rpc&id=" + id + "&subop=mark";

	var mark_img = document.getElementById("FMARKPIC-" + id);
	var vfeedu = document.getElementById("FEEDU--1");
	var crow = document.getElementById("RROW-" + id);

	if (mark_img.alt != "Reset mark") {
		mark_img.src = "images/mark_set.png";
		mark_img.alt = "Reset mark";
		query = query + "&mark=1";

		if (vfeedu && crow.className.match("Unread")) {
			vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
		}

	} else {
		mark_img.src = "images/mark_unset.png";
		mark_img.alt = "Set mark";
		query = query + "&mark=0";

		if (vfeedu && crow.className.match("Unread")) {
			vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
		}

	}

	var vfeedctr = document.getElementById("FEEDCTR--1");
	var vfeedr = document.getElementById("FEEDR--1");

	if (vfeedu && vfeedctr) {
		if ((+vfeedu.innerHTML) > 0) {
			if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
				vfeedr.className = vfeedr.className + "Unread";
				vfeedctr.className = "odd";
			}
		} else {
			vfeedctr.className = "invisible";
			vfeedr.className = vfeedr.className.replace("Unread", "");
		}
	}

	debug("toggle starred for aid " + id);

	new Ajax.Request(query);

}

function moveToPost(mode) {

	// check for combined mode
	if (!document.getElementById("headlinesList"))
		return;

	var rows = getVisibleHeadlineIds();

	var prev_id;
	var next_id;

	if (!document.getElementById('RROW-' + active_post_id)) {
		active_post_id = false;
	}

	if (active_post_id == false) {
		next_id = getFirstVisibleHeadlineId();
		prev_id = getLastVisibleHeadlineId();
	} else {	
		for (var i = 0; i < rows.length; i++) {
			if (rows[i] == active_post_id) {
				prev_id = rows[i-1];
				next_id = rows[i+1];			
			}
		}
	}

	if (mode == "next") {
	 	if (next_id != undefined) {
			view(next_id, getActiveFeedId());
		}
	}

	if (mode == "prev") {
		if ( prev_id != undefined) {
			view(prev_id, getActiveFeedId());
		}
	} 
}

function toggleUnread(id, cmode) {
	try {
		if (!xmlhttp_ready(xmlhttp_rpc)) {
			printLockingError();
			return;
		}
	
		var row = document.getElementById("RROW-" + id);
		if (row) {
			var nc = row.className;
			nc = nc.replace("Unread", "");
			nc = nc.replace("Selected", "");

			if (row.className.match("Unread")) {
				row.className = nc;
			} else {
				row.className = nc + "Unread";
			}

			if (!cmode) cmode = 2;

			var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
				param_escape(id) + "&cmode=" + param_escape(cmode);

			notify_progress("Loading, please wait...");

			xmlhttp_rpc.open("GET", query, true);
			xmlhttp_rpc.onreadystatechange=all_counters_callback;
			xmlhttp_rpc.send(null);

		}


	} catch (e) {
		exception_error("toggleUnread", e);
	}
}

function selectionToggleUnread(cdm_mode, set_state, callback_func) {
	try {
		if (!xmlhttp_ready(xmlhttp_rpc)) {
			printLockingError();
			return;
		}
	
		var rows;

		if (cdm_mode) {
			rows = cdmGetSelectedArticles();
		} else {	
			rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
		}

		for (i = 0; i < rows.length; i++) {
			var row = document.getElementById("RROW-" + rows[i]);
			if (row) {
				var nc = row.className;
				nc = nc.replace("Unread", "");
				nc = nc.replace("Selected", "");

				if (row.className.match("Unread")) {
					row.className = nc + "Selected";
				} else {
					row.className = nc + "UnreadSelected";
				}
			}
		}

		if (rows.length > 0) {

			var cmode = "";

			if (set_state == undefined) {
				cmode = "2";
			} else if (set_state == true) {
				cmode = "1";
			} else if (set_state == false) {
				cmode = "0";
			}

			var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
				param_escape(rows.toString()) + "&cmode=" + cmode;

			_catchup_callback_func = callback_func;

			notify_progress("Loading, please wait...");

			xmlhttp_rpc.open("GET", query, true);
			xmlhttp_rpc.onreadystatechange=catchup_callback;
			xmlhttp_rpc.send(null);

		}

	} catch (e) {
		exception_error("selectionToggleUnread", e);
	}
}

function selectionToggleMarked(cdm_mode) {
	try {
		if (!xmlhttp_ready(xmlhttp_rpc)) {
			printLockingError();
			return;
		}
	
		var rows;
		
		if (cdm_mode) {
			rows = cdmGetSelectedArticles();
		} else {	
			rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
		}	

		for (i = 0; i < rows.length; i++) {
			var row = document.getElementById("RROW-" + rows[i]);
			var mark_img = document.getElementById("FMARKPIC-" + rows[i]);

			if (row && mark_img) {

				if (mark_img.alt == "Set mark") {
					mark_img.src = "images/mark_set.png";
					mark_img.alt = "Reset mark";
					mark_img.setAttribute('onclick', 
						'javascript:toggleMark('+rows[i]+', false)');

				} else {
					mark_img.src = "images/mark_unset.png";
					mark_img.alt = "Set mark";
					mark_img.setAttribute('onclick', 
						'javascript:toggleMark('+rows[i]+', true)');
				}
			}
		}

		if (rows.length > 0) {

			var query = "backend.php?op=rpc&subop=markSelected&ids=" +
				param_escape(rows.toString()) + "&cmode=2";

			xmlhttp_rpc.open("GET", query, true);
			xmlhttp_rpc.onreadystatechange=all_counters_callback;
			xmlhttp_rpc.send(null);

		}

	} catch (e) {
		exception_error("selectionToggleMarked", e);
	}
}

function cdmGetSelectedArticles() {
	var sel_articles = new Array();
	var container = document.getElementById("headlinesInnerContainer");

	for (i = 0; i < container.childNodes.length; i++) {
		var child = container.childNodes[i];

		if (child.id.match("RROW-") && child.className.match("Selected")) {
			var c_id = child.id.replace("RROW-", "");
			sel_articles.push(c_id);
		}
	}

	return sel_articles;
}

// mode = all,none,unread
function cdmSelectArticles(mode) {
	var container = document.getElementById("headlinesInnerContainer");

	for (i = 0; i < container.childNodes.length; i++) {
		var child = container.childNodes[i];

		if (child.id.match("RROW-")) {
			var aid = child.id.replace("RROW-", "");

			var cb = document.getElementById("RCHK-" + aid);

			if (mode == "all") {
				if (!child.className.match("Selected")) {
					child.className = child.className + "Selected";
					cb.checked = true;
				}
			} else if (mode == "unread") {
				if (child.className.match("Unread") && !child.className.match("Selected")) {
					child.className = child.className + "Selected";
					cb.checked = true;
				}
			} else {
				child.className = child.className.replace("Selected", "");
				cb.checked = false;
			}
		}		
	}
}

function catchupPage() {

	if (document.getElementById("headlinesList")) {
		selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
		selectionToggleUnread(false, false, 'viewCurrentFeed()');
		selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
	} else {
		cdmSelectArticles('all');
		selectionToggleUnread(true, false, 'viewCurrentFeed()')
		cdmSelectArticles('none');
	}
}

function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {

	if (!xmlhttp_ready(xmlhttp_rpc)) {
		printLockingError();
	}

	var title = prompt("Please enter label title:", "");

	if (title) {

		var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
			"&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
			"&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) + 
			"&title=" + param_escape(title);

		debug("LFS: " + query);
	
		xmlhttp_rpc.open("GET", query, true);
		xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
		xmlhttp_rpc.send(null);
	}

}

function editArticleTags(id, feed_id, cdm_enabled) {
	_tag_active_post_id = id;
	_tag_active_feed_id = feed_id;
	_tag_active_cdm = cdm_enabled;
	try {
		_tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
	} catch (e) { }
	displayDlg('editArticleTags', id);
}


function tag_saved_callback() {
	if (xmlhttp_rpc.readyState == 4) {
		try {
			debug("in tag_saved_callback");

			closeInfoBox();
			notify("");

			if (tagsAreDisplayed()) {
				_reload_feedlist_after_view = true;
			}

			if (!_tag_active_cdm) {
				if (active_post_id == _tag_active_post_id) {
					debug("reloading current article");
					view(_tag_active_post_id, _tag_active_feed_id);			
				}
			} else {
				debug("reloading current feed");
				viewCurrentFeed();
			}

		} catch (e) {
			exception_error("catchup_callback", e);
		}
	}
}

function editTagsSave() {

	if (!xmlhttp_ready(xmlhttp_rpc)) {
		printLockingError();
	}

	notify_progress("Saving article tags...");

	var form = document.forms["tag_edit_form"];

	var query = Form.serialize("tag_edit_form");

	xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=setArticleTags&" + query, true);			
	xmlhttp_rpc.onreadystatechange=tag_saved_callback;
	xmlhttp_rpc.send(null);

}

function editTagsInsert() {
	try {

		var form = document.forms["tag_edit_form"];

		var found_tags = form.found_tags;
		var tags_str = form.tags_str;

		var tag = found_tags[found_tags.selectedIndex].value;

		if (tags_str.value.length > 0 && 
				tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {

			tags_str.value = tags_str.value + ", ";
		}

		tags_str.value = tags_str.value + tag + ", ";

		found_tags.selectedIndex = 0;
		
	} catch (e) {
		exception_error(e, "editTagsInsert");
	}
}

function cdmWatchdog() {

	try {

		var ctr = document.getElementById("headlinesInnerContainer");

		if (!ctr) return;

		var ids = new Array();

		var e = ctr.firstChild;

		while (e) {
			if (e.className && e.className == "cdmArticleUnread" && e.id &&
					e.id.match("RROW-")) {

				// article fits in viewport OR article is longer than viewport and
				// its bottom is visible

				if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
						ctr.scrollTop + ctr.offsetHeight) {

//					debug(e.id + " is visible " + e.offsetTop + "." + 
//						(e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
//						(ctr.scrollTop + ctr.offsetHeight));

					ids.push(e.id.replace("RROW-", ""));

				} else if (e.offsetHeight > ctr.offsetHeight &&
						e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
						e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {

					ids.push(e.id.replace("RROW-", "")); 

				}

				// method 2: article bottom is visible and is in upper 1/2 of the viewport

/*				if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
						e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {

					ids.push(e.id.replace("RROW-", "")); 

				} */

			}

			e = e.nextSibling;
		}

		debug("cdmWatchdog, ids= " + ids.toString());

		if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {

			for (var i = 0; i < ids.length; i++) {
				var e = document.getElementById("RROW-" + ids[i]);
				if (e) {
					e.className = e.className.replace("Unread", "");
				}
			}

			var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
				param_escape(ids.toString()) + "&cmode=0";

			xmlhttp_rpc.open("GET", query, true);
			xmlhttp_rpc.onreadystatechange=all_counters_callback;
			xmlhttp_rpc.send(null); 

		}

		_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);

	} catch (e) {
		exception_error(e, "cdmWatchdog");
	}

}
Commit	Line	Data
bb7cface	1	var active_post_id = false;
e08443c1	2	var _catchup_callback_func = false;
4b6206fa	3	var last_article_view = false;
0b126ac2 AD	4	var active_real_feed_id = false;
	5
	6	var _tag_active_post_id = false;
	7	var _tag_active_feed_id = false;
13f08f75	8	var _tag_active_cdm = false;
0b126ac2	9
13f08f75 AD	10	// FIXME: kludge, to restore scrollTop after tag editor terminates
	11	var _tag_cdm_scroll = false;
	12
	13	// FIXME: kludges, needs proper implementation
0b126ac2	14	var _reload_feedlist_after_view = false;
e08443c1	15
ba0978c8 AD	16	var _cdm_wd_timeout = false;
	17	var _cdm_wd_vishist = new Array();
	18
e08443c1 AD	19	function catchup_callback() {
e08443c1 AD	20	if (xmlhttp_rpc.readyState == 4) {
8f3b99ba AD	21	try {
	22	debug("catchup_callback");
	23	if (_catchup_callback_func) {
	24	setTimeout(_catchup_callback_func, 100);
	25	}
9ec58704	26	notify("");
8f3b99ba AD	27	all_counters_callback();
	28	} catch (e) {
	29	exception_error("catchup_callback", e);
	30	}
e08443c1 AD	31	}
e08443c1 AD	32	}
f0601b87	33
6b4163cb AD	34	function headlines_callback() {
	35	if (xmlhttp.readyState == 4) {
	36	debug("headlines_callback");
	37	var f = document.getElementById("headlines-frame");
44cc6f20 AD	38	try {
	39	f.scrollTop = 0;
	40	} catch (e) { };
6b4163cb	41	f.innerHTML = xmlhttp.responseText;
30031575	42	update_all_counters();
935f235d AD	43	if (typeof correctPNG != 'undefined') {
	44	correctPNG();
	45	}
ba0978c8 AD	46
	47	if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
	48
	49	if (!document.getElementById("headlinesList")) {
	50	debug("starting CDM watchdog");
	51	_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
	52	_cdm_wd_vishist = new Array();
	53	}
	54
13f08f75 AD	55	if (_tag_cdm_scroll) {
	56	try {
	57	document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
	58	_tag_cdm_scroll = false;
	59	} catch (e) { }
	60	}
	61
33b8cab4	62	notify("");
6b4163cb AD	63	}
	64	}
	65
	66	function article_callback() {
	67	if (xmlhttp.readyState == 4) {
	68	debug("article_callback");
	69	var f = document.getElementById("content-frame");
44cc6f20 AD	70	try {
	71	f.scrollTop = 0;
	72	} catch (e) { };
6b4163cb	73	f.innerHTML = xmlhttp.responseText;
4b6206fa AD	74
	75	var date = new Date();
	76	last_article_view = date.getTime() / 1000;
	77
935f235d AD	78	if (typeof correctPNG != 'undefined') {
	79	correctPNG();
	80	}
0b126ac2 AD	81
	82	if (_reload_feedlist_after_view) {
	83	setTimeout('updateFeedList(false, false)', 50);
	84	_reload_feedlist_after_view = false;
	85	} else {
	86	update_all_counters();
	87	}
9ec58704 AD	88
9ec58704 AD	89	notify("");
6b4163cb AD	90	}
	91	}
	92
1dc8dba0	93	function view(id, feed_id, skip_history) {
ee1f45f4 AD	94
ee1f45f4 AD	95	try {
ee1f45f4	96	debug("loading article: " + id + "/" + feed_id);
1dc8dba0	97
0b126ac2 AD	98	active_real_feed_id = feed_id;
0b126ac2 AD	99
1dc8dba0 AD	100	if (!skip_history) {
	101	history_push("ARTICLE:" + id + ":" + feed_id);
	102	}
ee1f45f4	103
ee1f45f4 AD	104	enableHotkeys();
ee1f45f4 AD	105
ee1f45f4	106	active_post_id = id;
1c2d7193	107	//setActiveFeedId(feed_id);
090e250b	108
6b4163cb AD	109	var query = "backend.php?op=view&id=" + param_escape(id) +
	110	"&feed=" + param_escape(feed_id);
	111
4b6206fa AD	112	var date = new Date();
	113
	114	if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
	115	debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
	116	xmlhttp.abort();
	117	}
	118
6b4163cb	119	if (xmlhttp_ready(xmlhttp)) {
4b6206fa AD	120
	121	cleanSelected("headlinesList");
	122
	123	var crow = document.getElementById("RROW-" + active_post_id);
	124	crow.className = crow.className.replace("Unread", "");
	125
	126	var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
	127
	128	if (upd_img_pic) {
	129	upd_img_pic.src = "images/blank_icon.gif";
	130	}
	131
	132	selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
	133	markHeadline(active_post_id);
	134
86173d9a AD	135	var date = new Date();
86173d9a AD	136	var timestamp = Math.round(date.getTime() / 1000);
9ec58704 AD	137	query = query + "&ts=" + timestamp;
	138
	139	notify_progress("Loading, please wait...");
86173d9a	140
6b4163cb AD	141	xmlhttp.open("GET", query, true);
	142	xmlhttp.onreadystatechange=article_callback;
	143	xmlhttp.send(null);
	144	} else {
	145	debug("xmlhttp busy (@view)");
f88e0a5d	146	printLockingError();
6b4163cb AD	147	}
6b4163cb AD	148
ee1f45f4 AD	149	} catch (e) {
	150	exception_error("view", e);
	151	}
f0601b87 AD	152	}
f0601b87 AD	153
9932fb06	154	function toggleMark(id) {
f0601b87 AD	155
	156	if (!xmlhttp_ready(xmlhttp_rpc)) {
	157	printLockingError();
	158	return;
	159	}
	160
f0601b87 AD	161	var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
f0601b87 AD	162
7ba176d2	163	var mark_img = document.getElementById("FMARKPIC-" + id);
0feab655	164	var vfeedu = document.getElementById("FEEDU--1");
7ba176d2	165	var crow = document.getElementById("RROW-" + id);
254e0e4b	166
9932fb06	167	if (mark_img.alt != "Reset mark") {
f0601b87 AD	168	mark_img.src = "images/mark_set.png";
f0601b87 AD	169	mark_img.alt = "Reset mark";
f0601b87	170	query = query + "&mark=1";
254e0e4b	171
7ba176d2 AD	172	if (vfeedu && crow.className.match("Unread")) {
	173	vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
	174	}
	175
f0601b87 AD	176	} else {
	177	mark_img.src = "images/mark_unset.png";
	178	mark_img.alt = "Set mark";
f0601b87	179	query = query + "&mark=0";
254e0e4b	180
7ba176d2 AD	181	if (vfeedu && crow.className.match("Unread")) {
	182	vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
	183	}
254e0e4b AD	184
	185	}
	186
0feab655 AD	187	var vfeedctr = document.getElementById("FEEDCTR--1");
0feab655 AD	188	var vfeedr = document.getElementById("FEEDR--1");
254e0e4b AD	189
	190	if (vfeedu && vfeedctr) {
	191	if ((+vfeedu.innerHTML) > 0) {
7ba176d2	192	if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
8add756a	193	vfeedr.className = vfeedr.className + "Unread";
7ba176d2	194	vfeedctr.className = "odd";
8add756a	195	}
254e0e4b AD	196	} else {
254e0e4b AD	197	vfeedctr.className = "invisible";
8add756a	198	vfeedr.className = vfeedr.className.replace("Unread", "");
254e0e4b	199	}
f0601b87 AD	200	}
f0601b87 AD	201
772bc83b AD	202	debug("toggle starred for aid " + id);
	203
	204	new Ajax.Request(query);
f0601b87 AD	205
	206	}
	207
bb7cface	208	function moveToPost(mode) {
f0601b87	209
4e51dd2b AD	210	// check for combined mode
	211	if (!document.getElementById("headlinesList"))
	212	return;
	213
bb7cface AD	214	var rows = getVisibleHeadlineIds();
	215
	216	var prev_id;
	217	var next_id;
	218
d4eec882 AD	219	if (!document.getElementById('RROW-' + active_post_id)) {
	220	active_post_id = false;
	221	}
	222
bb7cface AD	223	if (active_post_id == false) {
	224	next_id = getFirstVisibleHeadlineId();
	225	prev_id = getLastVisibleHeadlineId();
	226	} else {
	227	for (var i = 0; i < rows.length; i++) {
	228	if (rows[i] == active_post_id) {
	229	prev_id = rows[i-1];
	230	next_id = rows[i+1];
	231	}
	232	}
	233	}
	234
	235	if (mode == "next") {
	236	if (next_id != undefined) {
86741347	237	view(next_id, getActiveFeedId());
bb7cface AD	238	}
	239	}
	240
	241	if (mode == "prev") {
	242	if ( prev_id != undefined) {
86741347	243	view(prev_id, getActiveFeedId());
bb7cface AD	244	}
	245	}
	246	}
	247
5f51022a AD	248	function toggleUnread(id, cmode) {
	249	try {
	250	if (!xmlhttp_ready(xmlhttp_rpc)) {
	251	printLockingError();
	252	return;
	253	}
	254
	255	var row = document.getElementById("RROW-" + id);
	256	if (row) {
	257	var nc = row.className;
	258	nc = nc.replace("Unread", "");
	259	nc = nc.replace("Selected", "");
	260
	261	if (row.className.match("Unread")) {
	262	row.className = nc;
	263	} else {
	264	row.className = nc + "Unread";
	265	}
	266
	267	if (!cmode) cmode = 2;
	268
	269	var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
	270	param_escape(id) + "&cmode=" + param_escape(cmode);
	271
9ec58704 AD	272	notify_progress("Loading, please wait...");
9ec58704 AD	273
5f51022a AD	274	xmlhttp_rpc.open("GET", query, true);
	275	xmlhttp_rpc.onreadystatechange=all_counters_callback;
	276	xmlhttp_rpc.send(null);
	277
	278	}
	279
	280
	281	} catch (e) {
	282	exception_error("toggleUnread", e);
	283	}
	284	}
	285
e08443c1	286	function selectionToggleUnread(cdm_mode, set_state, callback_func) {
1572afe5 AD	287	try {
	288	if (!xmlhttp_ready(xmlhttp_rpc)) {
	289	printLockingError();
	290	return;
	291	}
	292
386cbf27 AD	293	var rows;
	294
	295	if (cdm_mode) {
	296	rows = cdmGetSelectedArticles();
	297	} else {
	298	rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
	299	}
1572afe5 AD	300
1572afe5 AD	301	for (i = 0; i < rows.length; i++) {
f1f2db64 AD	302	var row = document.getElementById("RROW-" + rows[i]);
	303	if (row) {
	304	var nc = row.className;
	305	nc = nc.replace("Unread", "");
	306	nc = nc.replace("Selected", "");
	307
	308	if (row.className.match("Unread")) {
	309	row.className = nc + "Selected";
	310	} else {
	311	row.className = nc + "UnreadSelected";
	312	}
	313	}
1572afe5 AD	314	}
	315
	316	if (rows.length > 0) {
	317
b47b5af7 AD	318	var cmode = "";
	319
	320	if (set_state == undefined) {
	321	cmode = "2";
	322	} else if (set_state == true) {
	323	cmode = "1";
	324	} else if (set_state == false) {
	325	cmode = "0";
	326	}
	327
1572afe5	328	var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
b47b5af7	329	param_escape(rows.toString()) + "&cmode=" + cmode;
1572afe5	330
e08443c1 AD	331	_catchup_callback_func = callback_func;
e08443c1 AD	332
9ec58704 AD	333	notify_progress("Loading, please wait...");
9ec58704 AD	334
1572afe5	335	xmlhttp_rpc.open("GET", query, true);
e08443c1	336	xmlhttp_rpc.onreadystatechange=catchup_callback;
1572afe5 AD	337	xmlhttp_rpc.send(null);
	338
	339	}
	340
	341	} catch (e) {
83f043bb	342	exception_error("selectionToggleUnread", e);
1572afe5 AD	343	}
	344	}
	345
386cbf27	346	function selectionToggleMarked(cdm_mode) {
1572afe5 AD	347	try {
	348	if (!xmlhttp_ready(xmlhttp_rpc)) {
	349	printLockingError();
	350	return;
	351	}
	352
386cbf27 AD	353	var rows;
	354
	355	if (cdm_mode) {
	356	rows = cdmGetSelectedArticles();
	357	} else {
	358	rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
	359	}
1572afe5 AD	360
	361	for (i = 0; i < rows.length; i++) {
	362	var row = document.getElementById("RROW-" + rows[i]);
	363	var mark_img = document.getElementById("FMARKPIC-" + rows[i]);
	364
	365	if (row && mark_img) {
	366
	367	if (mark_img.alt == "Set mark") {
	368	mark_img.src = "images/mark_set.png";
	369	mark_img.alt = "Reset mark";
	370	mark_img.setAttribute('onclick',
	371	'javascript:toggleMark('+rows[i]+', false)');
	372
	373	} else {
	374	mark_img.src = "images/mark_unset.png";
	375	mark_img.alt = "Set mark";
	376	mark_img.setAttribute('onclick',
	377	'javascript:toggleMark('+rows[i]+', true)');
	378	}
	379	}
	380	}
	381
	382	if (rows.length > 0) {
	383
	384	var query = "backend.php?op=rpc&subop=markSelected&ids=" +
	385	param_escape(rows.toString()) + "&cmode=2";
	386
	387	xmlhttp_rpc.open("GET", query, true);
	388	xmlhttp_rpc.onreadystatechange=all_counters_callback;
	389	xmlhttp_rpc.send(null);
	390
	391	}
	392
	393	} catch (e) {
83f043bb	394	exception_error("selectionToggleMarked", e);
1572afe5 AD	395	}
	396	}
	397
386cbf27 AD	398	function cdmGetSelectedArticles() {
386cbf27 AD	399	var sel_articles = new Array();
b2128f01	400	var container = document.getElementById("headlinesInnerContainer");
386cbf27 AD	401
	402	for (i = 0; i < container.childNodes.length; i++) {
	403	var child = container.childNodes[i];
	404
	405	if (child.id.match("RROW-") && child.className.match("Selected")) {
	406	var c_id = child.id.replace("RROW-", "");
	407	sel_articles.push(c_id);
	408	}
	409	}
	410
	411	return sel_articles;
	412	}
	413
	414	// mode = all,none,unread
	415	function cdmSelectArticles(mode) {
b2128f01	416	var container = document.getElementById("headlinesInnerContainer");
386cbf27 AD	417
	418	for (i = 0; i < container.childNodes.length; i++) {
	419	var child = container.childNodes[i];
	420
	421	if (child.id.match("RROW-")) {
06d1a1c1 AD	422	var aid = child.id.replace("RROW-", "");
	423
	424	var cb = document.getElementById("RCHK-" + aid);
	425
386cbf27 AD	426	if (mode == "all") {
	427	if (!child.className.match("Selected")) {
	428	child.className = child.className + "Selected";
06d1a1c1	429	cb.checked = true;
386cbf27 AD	430	}
	431	} else if (mode == "unread") {
	432	if (child.className.match("Unread") && !child.className.match("Selected")) {
	433	child.className = child.className + "Selected";
06d1a1c1	434	cb.checked = true;
386cbf27 AD	435	}
	436	} else {
	437	child.className = child.className.replace("Selected", "");
06d1a1c1	438	cb.checked = false;
386cbf27 AD	439	}
	440	}
	441	}
	442	}
	443
98bea1b1	444	function catchupPage() {
b47b5af7 AD	445
	446	if (document.getElementById("headlinesList")) {
	447	selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
e08443c1	448	selectionToggleUnread(false, false, 'viewCurrentFeed()');
b47b5af7 AD	449	selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
	450	} else {
	451	cdmSelectArticles('all');
e08443c1	452	selectionToggleUnread(true, false, 'viewCurrentFeed()')
b47b5af7 AD	453	cdmSelectArticles('none');
b47b5af7 AD	454	}
98bea1b1 AD	455	}
98bea1b1 AD	456
88040f57 AD	457	function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
	458
	459	if (!xmlhttp_ready(xmlhttp_rpc)) {
	460	printLockingError();
	461	}
	462
	463	var title = prompt("Please enter label title:", "");
	464
	465	if (title) {
	466
	467	var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
	468	"&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
	469	"&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
	470	"&title=" + param_escape(title);
	471
	472	debug("LFS: " + query);
	473
	474	xmlhttp_rpc.open("GET", query, true);
0feab655	475	xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
88040f57 AD	476	xmlhttp_rpc.send(null);
	477	}
	478
	479	}
	480
13f08f75	481	function editArticleTags(id, feed_id, cdm_enabled) {
0b126ac2 AD	482	_tag_active_post_id = id;
0b126ac2 AD	483	_tag_active_feed_id = feed_id;
13f08f75 AD	484	_tag_active_cdm = cdm_enabled;
	485	try {
	486	_tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
	487	} catch (e) { }
0b126ac2 AD	488	displayDlg('editArticleTags', id);
	489	}
	490
	491
	492	function tag_saved_callback() {
	493	if (xmlhttp_rpc.readyState == 4) {
	494	try {
	495	debug("in tag_saved_callback");
	496
	497	closeInfoBox();
	498	notify("");
	499
	500	if (tagsAreDisplayed()) {
	501	_reload_feedlist_after_view = true;
	502	}
	503
13f08f75 AD	504	if (!_tag_active_cdm) {
	505	if (active_post_id == _tag_active_post_id) {
	506	debug("reloading current article");
	507	view(_tag_active_post_id, _tag_active_feed_id);
	508	}
	509	} else {
	510	debug("reloading current feed");
	511	viewCurrentFeed();
	512	}
0b126ac2 AD	513
	514	} catch (e) {
	515	exception_error("catchup_callback", e);
	516	}
	517	}
	518	}
	519
	520	function editTagsSave() {
	521
	522	if (!xmlhttp_ready(xmlhttp_rpc)) {
	523	printLockingError();
	524	}
	525
42c32916	526	notify_progress("Saving article tags...");
88040f57	527
0b126ac2 AD	528	var form = document.forms["tag_edit_form"];
	529
	530	var query = Form.serialize("tag_edit_form");
	531
	532	xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=setArticleTags&" + query, true);
	533	xmlhttp_rpc.onreadystatechange=tag_saved_callback;
	534	xmlhttp_rpc.send(null);
	535
	536	}
d62a3b63 AD	537
	538	function editTagsInsert() {
	539	try {
	540
	541	var form = document.forms["tag_edit_form"];
	542
	543	var found_tags = form.found_tags;
	544	var tags_str = form.tags_str;
	545
	546	var tag = found_tags[found_tags.selectedIndex].value;
	547
	548	if (tags_str.value.length > 0 &&
	549	tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
	550
	551	tags_str.value = tags_str.value + ", ";
	552	}
	553
	554	tags_str.value = tags_str.value + tag + ", ";
	555
	556	found_tags.selectedIndex = 0;
	557
	558	} catch (e) {
	559	exception_error(e, "editTagsInsert");
	560	}
	561	}
ba0978c8 AD	562
	563	function cdmWatchdog() {
	564
	565	try {
	566
	567	var ctr = document.getElementById("headlinesInnerContainer");
	568
9acd22e8 AD	569	if (!ctr) return;
9acd22e8 AD	570
ba0978c8 AD	571	var ids = new Array();
	572
	573	var e = ctr.firstChild;
	574
	575	while (e) {
	576	if (e.className && e.className == "cdmArticleUnread" && e.id &&
	577	e.id.match("RROW-")) {
	578
	579	// article fits in viewport OR article is longer than viewport and
	580	// its bottom is visible
	581
	582	if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
	583	ctr.scrollTop + ctr.offsetHeight) {
	584
	585	// debug(e.id + " is visible " + e.offsetTop + "." +
	586	// (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
	587	// (ctr.scrollTop + ctr.offsetHeight));
	588
	589	ids.push(e.id.replace("RROW-", ""));
	590
	591	} else if (e.offsetHeight > ctr.offsetHeight &&
	592	e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
	593	e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
	594
	595	ids.push(e.id.replace("RROW-", ""));
	596
	597	}
	598
c50e2b30 AD	599	// method 2: article bottom is visible and is in upper 1/2 of the viewport
	600
	601	/* if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
	602	e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
	603
	604	ids.push(e.id.replace("RROW-", ""));
	605
	606	} */
	607
ba0978c8 AD	608	}
	609
	610	e = e.nextSibling;
	611	}
	612
	613	debug("cdmWatchdog, ids= " + ids.toString());
	614
	615	if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
	616
	617	for (var i = 0; i < ids.length; i++) {
	618	var e = document.getElementById("RROW-" + ids[i]);
	619	if (e) {
	620	e.className = e.className.replace("Unread", "");
	621	}
	622	}
	623
	624	var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
	625	param_escape(ids.toString()) + "&cmode=0";
	626
f8e47112	627	xmlhttp_rpc.open("GET", query, true);
ba0978c8	628	xmlhttp_rpc.onreadystatechange=all_counters_callback;
c50e2b30	629	xmlhttp_rpc.send(null);
ba0978c8 AD	630
	631	}
	632
c50e2b30	633	_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
ba0978c8 AD	634
	635	} catch (e) {
	636	exception_error(e, "cdmWatchdog");
	637	}
	638
	639	}