[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") && 
				getInitParam("cdm_auto_catchup") == 1) {
			debug("starting CDM watchdog");
			_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
			_cdm_wd_vishist = new Array();
		} else {
			debug("not in CDM mode or watchdog disabled");
		}

		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, no_error) {
	try {
		if (!xmlhttp_ready(xmlhttp_rpc)) {
			printLockingError();
			return;
		}
	
		var rows;

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

		if (rows.length == 0 && !no_error) {
			alert(__("No articles are selected."));
			return;
		}

		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");
		}	

		if (rows.length == 0) {
			alert(__("No articles are selected."));
			return;
		}

		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()', true);
		selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
	} else {
		cdmSelectArticles('all');
		selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
		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
ac7bcd71 AD	49	if (!document.getElementById("headlinesList") &&
ac7bcd71 AD	50	getInitParam("cdm_auto_catchup") == 1) {
ba0978c8 AD	51	debug("starting CDM watchdog");
	52	_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
	53	_cdm_wd_vishist = new Array();
ac7bcd71 AD	54	} else {
ac7bcd71 AD	55	debug("not in CDM mode or watchdog disabled");
ba0978c8 AD	56	}
ba0978c8 AD	57
13f08f75 AD	58	if (_tag_cdm_scroll) {
	59	try {
	60	document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
	61	_tag_cdm_scroll = false;
	62	} catch (e) { }
	63	}
	64
33b8cab4	65	notify("");
6b4163cb AD	66	}
	67	}
	68
	69	function article_callback() {
	70	if (xmlhttp.readyState == 4) {
	71	debug("article_callback");
	72	var f = document.getElementById("content-frame");
44cc6f20 AD	73	try {
	74	f.scrollTop = 0;
	75	} catch (e) { };
6b4163cb	76	f.innerHTML = xmlhttp.responseText;
4b6206fa AD	77
	78	var date = new Date();
	79	last_article_view = date.getTime() / 1000;
	80
935f235d AD	81	if (typeof correctPNG != 'undefined') {
	82	correctPNG();
	83	}
0b126ac2 AD	84
	85	if (_reload_feedlist_after_view) {
	86	setTimeout('updateFeedList(false, false)', 50);
	87	_reload_feedlist_after_view = false;
	88	} else {
	89	update_all_counters();
	90	}
9ec58704 AD	91
9ec58704 AD	92	notify("");
6b4163cb AD	93	}
	94	}
	95
1dc8dba0	96	function view(id, feed_id, skip_history) {
ee1f45f4 AD	97
ee1f45f4 AD	98	try {
ee1f45f4	99	debug("loading article: " + id + "/" + feed_id);
1dc8dba0	100
0b126ac2 AD	101	active_real_feed_id = feed_id;
0b126ac2 AD	102
1dc8dba0 AD	103	if (!skip_history) {
	104	history_push("ARTICLE:" + id + ":" + feed_id);
	105	}
ee1f45f4	106
ee1f45f4 AD	107	enableHotkeys();
ee1f45f4 AD	108
ee1f45f4	109	active_post_id = id;
1c2d7193	110	//setActiveFeedId(feed_id);
090e250b	111
6b4163cb AD	112	var query = "backend.php?op=view&id=" + param_escape(id) +
	113	"&feed=" + param_escape(feed_id);
	114
4b6206fa AD	115	var date = new Date();
	116
	117	if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
	118	debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
	119	xmlhttp.abort();
	120	}
	121
6b4163cb	122	if (xmlhttp_ready(xmlhttp)) {
4b6206fa AD	123
	124	cleanSelected("headlinesList");
	125
	126	var crow = document.getElementById("RROW-" + active_post_id);
	127	crow.className = crow.className.replace("Unread", "");
	128
	129	var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
	130
	131	if (upd_img_pic) {
	132	upd_img_pic.src = "images/blank_icon.gif";
	133	}
	134
	135	selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
	136	markHeadline(active_post_id);
	137
86173d9a AD	138	var date = new Date();
86173d9a AD	139	var timestamp = Math.round(date.getTime() / 1000);
9ec58704 AD	140	query = query + "&ts=" + timestamp;
	141
	142	notify_progress("Loading, please wait...");
86173d9a	143
6b4163cb AD	144	xmlhttp.open("GET", query, true);
	145	xmlhttp.onreadystatechange=article_callback;
	146	xmlhttp.send(null);
	147	} else {
	148	debug("xmlhttp busy (@view)");
f88e0a5d	149	printLockingError();
6b4163cb AD	150	}
6b4163cb AD	151
ee1f45f4 AD	152	} catch (e) {
	153	exception_error("view", e);
	154	}
f0601b87 AD	155	}
f0601b87 AD	156
9932fb06	157	function toggleMark(id) {
f0601b87 AD	158
	159	if (!xmlhttp_ready(xmlhttp_rpc)) {
	160	printLockingError();
	161	return;
	162	}
	163
f0601b87 AD	164	var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
f0601b87 AD	165
7ba176d2	166	var mark_img = document.getElementById("FMARKPIC-" + id);
0feab655	167	var vfeedu = document.getElementById("FEEDU--1");
7ba176d2	168	var crow = document.getElementById("RROW-" + id);
254e0e4b	169
9932fb06	170	if (mark_img.alt != "Reset mark") {
f0601b87 AD	171	mark_img.src = "images/mark_set.png";
f0601b87 AD	172	mark_img.alt = "Reset mark";
f0601b87	173	query = query + "&mark=1";
254e0e4b	174
7ba176d2 AD	175	if (vfeedu && crow.className.match("Unread")) {
	176	vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
	177	}
	178
f0601b87 AD	179	} else {
	180	mark_img.src = "images/mark_unset.png";
	181	mark_img.alt = "Set mark";
f0601b87	182	query = query + "&mark=0";
254e0e4b	183
7ba176d2 AD	184	if (vfeedu && crow.className.match("Unread")) {
	185	vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
	186	}
254e0e4b AD	187
	188	}
	189
0feab655 AD	190	var vfeedctr = document.getElementById("FEEDCTR--1");
0feab655 AD	191	var vfeedr = document.getElementById("FEEDR--1");
254e0e4b AD	192
	193	if (vfeedu && vfeedctr) {
	194	if ((+vfeedu.innerHTML) > 0) {
7ba176d2	195	if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
8add756a	196	vfeedr.className = vfeedr.className + "Unread";
7ba176d2	197	vfeedctr.className = "odd";
8add756a	198	}
254e0e4b AD	199	} else {
254e0e4b AD	200	vfeedctr.className = "invisible";
8add756a	201	vfeedr.className = vfeedr.className.replace("Unread", "");
254e0e4b	202	}
f0601b87 AD	203	}
f0601b87 AD	204
772bc83b AD	205	debug("toggle starred for aid " + id);
	206
	207	new Ajax.Request(query);
f0601b87 AD	208
	209	}
	210
bb7cface	211	function moveToPost(mode) {
f0601b87	212
4e51dd2b AD	213	// check for combined mode
	214	if (!document.getElementById("headlinesList"))
	215	return;
	216
bb7cface AD	217	var rows = getVisibleHeadlineIds();
	218
	219	var prev_id;
	220	var next_id;
	221
d4eec882 AD	222	if (!document.getElementById('RROW-' + active_post_id)) {
	223	active_post_id = false;
	224	}
	225
bb7cface AD	226	if (active_post_id == false) {
	227	next_id = getFirstVisibleHeadlineId();
	228	prev_id = getLastVisibleHeadlineId();
	229	} else {
	230	for (var i = 0; i < rows.length; i++) {
	231	if (rows[i] == active_post_id) {
	232	prev_id = rows[i-1];
	233	next_id = rows[i+1];
	234	}
	235	}
	236	}
	237
	238	if (mode == "next") {
	239	if (next_id != undefined) {
86741347	240	view(next_id, getActiveFeedId());
bb7cface AD	241	}
	242	}
	243
	244	if (mode == "prev") {
	245	if ( prev_id != undefined) {
86741347	246	view(prev_id, getActiveFeedId());
bb7cface AD	247	}
	248	}
	249	}
	250
5f51022a AD	251	function toggleUnread(id, cmode) {
	252	try {
	253	if (!xmlhttp_ready(xmlhttp_rpc)) {
	254	printLockingError();
	255	return;
	256	}
	257
	258	var row = document.getElementById("RROW-" + id);
	259	if (row) {
	260	var nc = row.className;
	261	nc = nc.replace("Unread", "");
	262	nc = nc.replace("Selected", "");
	263
	264	if (row.className.match("Unread")) {
	265	row.className = nc;
	266	} else {
	267	row.className = nc + "Unread";
	268	}
	269
	270	if (!cmode) cmode = 2;
	271
	272	var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
	273	param_escape(id) + "&cmode=" + param_escape(cmode);
	274
9ec58704 AD	275	notify_progress("Loading, please wait...");
9ec58704 AD	276
5f51022a AD	277	xmlhttp_rpc.open("GET", query, true);
	278	xmlhttp_rpc.onreadystatechange=all_counters_callback;
	279	xmlhttp_rpc.send(null);
	280
	281	}
	282
	283
	284	} catch (e) {
	285	exception_error("toggleUnread", e);
	286	}
	287	}
	288
2228d0e4	289	function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
1572afe5 AD	290	try {
	291	if (!xmlhttp_ready(xmlhttp_rpc)) {
	292	printLockingError();
	293	return;
	294	}
	295
386cbf27 AD	296	var rows;
	297
	298	if (cdm_mode) {
	299	rows = cdmGetSelectedArticles();
	300	} else {
	301	rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
	302	}
1572afe5	303
2228d0e4	304	if (rows.length == 0 && !no_error) {
9cc600d1 AD	305	alert(__("No articles are selected."));
	306	return;
	307	}
	308
1572afe5	309	for (i = 0; i < rows.length; i++) {
f1f2db64 AD	310	var row = document.getElementById("RROW-" + rows[i]);
	311	if (row) {
	312	var nc = row.className;
	313	nc = nc.replace("Unread", "");
	314	nc = nc.replace("Selected", "");
	315
	316	if (row.className.match("Unread")) {
	317	row.className = nc + "Selected";
	318	} else {
	319	row.className = nc + "UnreadSelected";
	320	}
	321	}
1572afe5 AD	322	}
	323
	324	if (rows.length > 0) {
	325
b47b5af7 AD	326	var cmode = "";
	327
	328	if (set_state == undefined) {
	329	cmode = "2";
	330	} else if (set_state == true) {
	331	cmode = "1";
	332	} else if (set_state == false) {
	333	cmode = "0";
	334	}
	335
1572afe5	336	var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
b47b5af7	337	param_escape(rows.toString()) + "&cmode=" + cmode;
1572afe5	338
e08443c1 AD	339	_catchup_callback_func = callback_func;
e08443c1 AD	340
9ec58704 AD	341	notify_progress("Loading, please wait...");
9ec58704 AD	342
1572afe5	343	xmlhttp_rpc.open("GET", query, true);
e08443c1	344	xmlhttp_rpc.onreadystatechange=catchup_callback;
1572afe5 AD	345	xmlhttp_rpc.send(null);
	346
	347	}
	348
	349	} catch (e) {
83f043bb	350	exception_error("selectionToggleUnread", e);
1572afe5 AD	351	}
	352	}
	353
386cbf27	354	function selectionToggleMarked(cdm_mode) {
1572afe5 AD	355	try {
	356	if (!xmlhttp_ready(xmlhttp_rpc)) {
	357	printLockingError();
	358	return;
	359	}
	360
386cbf27 AD	361	var rows;
	362
	363	if (cdm_mode) {
	364	rows = cdmGetSelectedArticles();
	365	} else {
	366	rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
	367	}
1572afe5	368
9cc600d1 AD	369	if (rows.length == 0) {
	370	alert(__("No articles are selected."));
	371	return;
	372	}
	373
1572afe5 AD	374	for (i = 0; i < rows.length; i++) {
	375	var row = document.getElementById("RROW-" + rows[i]);
	376	var mark_img = document.getElementById("FMARKPIC-" + rows[i]);
	377
	378	if (row && mark_img) {
	379
	380	if (mark_img.alt == "Set mark") {
	381	mark_img.src = "images/mark_set.png";
	382	mark_img.alt = "Reset mark";
	383	mark_img.setAttribute('onclick',
	384	'javascript:toggleMark('+rows[i]+', false)');
	385
	386	} else {
	387	mark_img.src = "images/mark_unset.png";
	388	mark_img.alt = "Set mark";
	389	mark_img.setAttribute('onclick',
	390	'javascript:toggleMark('+rows[i]+', true)');
	391	}
	392	}
	393	}
	394
	395	if (rows.length > 0) {
	396
	397	var query = "backend.php?op=rpc&subop=markSelected&ids=" +
	398	param_escape(rows.toString()) + "&cmode=2";
	399
	400	xmlhttp_rpc.open("GET", query, true);
	401	xmlhttp_rpc.onreadystatechange=all_counters_callback;
	402	xmlhttp_rpc.send(null);
	403
	404	}
	405
	406	} catch (e) {
83f043bb	407	exception_error("selectionToggleMarked", e);
1572afe5 AD	408	}
	409	}
	410
386cbf27 AD	411	function cdmGetSelectedArticles() {
386cbf27 AD	412	var sel_articles = new Array();
b2128f01	413	var container = document.getElementById("headlinesInnerContainer");
386cbf27 AD	414
	415	for (i = 0; i < container.childNodes.length; i++) {
	416	var child = container.childNodes[i];
	417
	418	if (child.id.match("RROW-") && child.className.match("Selected")) {
	419	var c_id = child.id.replace("RROW-", "");
	420	sel_articles.push(c_id);
	421	}
	422	}
	423
	424	return sel_articles;
	425	}
	426
	427	// mode = all,none,unread
	428	function cdmSelectArticles(mode) {
b2128f01	429	var container = document.getElementById("headlinesInnerContainer");
386cbf27 AD	430
	431	for (i = 0; i < container.childNodes.length; i++) {
	432	var child = container.childNodes[i];
	433
	434	if (child.id.match("RROW-")) {
06d1a1c1 AD	435	var aid = child.id.replace("RROW-", "");
	436
	437	var cb = document.getElementById("RCHK-" + aid);
	438
386cbf27 AD	439	if (mode == "all") {
	440	if (!child.className.match("Selected")) {
	441	child.className = child.className + "Selected";
06d1a1c1	442	cb.checked = true;
386cbf27 AD	443	}
	444	} else if (mode == "unread") {
	445	if (child.className.match("Unread") && !child.className.match("Selected")) {
	446	child.className = child.className + "Selected";
06d1a1c1	447	cb.checked = true;
386cbf27 AD	448	}
	449	} else {
	450	child.className = child.className.replace("Selected", "");
06d1a1c1	451	cb.checked = false;
386cbf27 AD	452	}
	453	}
	454	}
	455	}
	456
98bea1b1	457	function catchupPage() {
b47b5af7 AD	458
	459	if (document.getElementById("headlinesList")) {
	460	selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
2228d0e4	461	selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
b47b5af7 AD	462	selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
	463	} else {
	464	cdmSelectArticles('all');
2228d0e4	465	selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
b47b5af7 AD	466	cdmSelectArticles('none');
b47b5af7 AD	467	}
98bea1b1 AD	468	}
98bea1b1 AD	469
88040f57 AD	470	function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
	471
	472	if (!xmlhttp_ready(xmlhttp_rpc)) {
	473	printLockingError();
	474	}
	475
	476	var title = prompt("Please enter label title:", "");
	477
	478	if (title) {
	479
	480	var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
	481	"&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
	482	"&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
	483	"&title=" + param_escape(title);
	484
	485	debug("LFS: " + query);
	486
	487	xmlhttp_rpc.open("GET", query, true);
0feab655	488	xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
88040f57 AD	489	xmlhttp_rpc.send(null);
	490	}
	491
	492	}
	493
13f08f75	494	function editArticleTags(id, feed_id, cdm_enabled) {
0b126ac2 AD	495	_tag_active_post_id = id;
0b126ac2 AD	496	_tag_active_feed_id = feed_id;
13f08f75 AD	497	_tag_active_cdm = cdm_enabled;
	498	try {
	499	_tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
	500	} catch (e) { }
0b126ac2 AD	501	displayDlg('editArticleTags', id);
	502	}
	503
	504
	505	function tag_saved_callback() {
	506	if (xmlhttp_rpc.readyState == 4) {
	507	try {
	508	debug("in tag_saved_callback");
	509
	510	closeInfoBox();
	511	notify("");
	512
	513	if (tagsAreDisplayed()) {
	514	_reload_feedlist_after_view = true;
	515	}
	516
13f08f75 AD	517	if (!_tag_active_cdm) {
	518	if (active_post_id == _tag_active_post_id) {
	519	debug("reloading current article");
	520	view(_tag_active_post_id, _tag_active_feed_id);
	521	}
	522	} else {
	523	debug("reloading current feed");
	524	viewCurrentFeed();
	525	}
0b126ac2 AD	526
	527	} catch (e) {
	528	exception_error("catchup_callback", e);
	529	}
	530	}
	531	}
	532
	533	function editTagsSave() {
	534
	535	if (!xmlhttp_ready(xmlhttp_rpc)) {
	536	printLockingError();
	537	}
	538
42c32916	539	notify_progress("Saving article tags...");
88040f57	540
0b126ac2 AD	541	var form = document.forms["tag_edit_form"];
	542
	543	var query = Form.serialize("tag_edit_form");
	544
	545	xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=setArticleTags&" + query, true);
	546	xmlhttp_rpc.onreadystatechange=tag_saved_callback;
	547	xmlhttp_rpc.send(null);
	548
	549	}
d62a3b63 AD	550
	551	function editTagsInsert() {
	552	try {
	553
	554	var form = document.forms["tag_edit_form"];
	555
	556	var found_tags = form.found_tags;
	557	var tags_str = form.tags_str;
	558
	559	var tag = found_tags[found_tags.selectedIndex].value;
	560
	561	if (tags_str.value.length > 0 &&
	562	tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
	563
	564	tags_str.value = tags_str.value + ", ";
	565	}
	566
	567	tags_str.value = tags_str.value + tag + ", ";
	568
	569	found_tags.selectedIndex = 0;
	570
	571	} catch (e) {
	572	exception_error(e, "editTagsInsert");
	573	}
	574	}
ba0978c8 AD	575
	576	function cdmWatchdog() {
	577
	578	try {
	579
	580	var ctr = document.getElementById("headlinesInnerContainer");
	581
9acd22e8 AD	582	if (!ctr) return;
9acd22e8 AD	583
ba0978c8 AD	584	var ids = new Array();
	585
	586	var e = ctr.firstChild;
	587
	588	while (e) {
	589	if (e.className && e.className == "cdmArticleUnread" && e.id &&
	590	e.id.match("RROW-")) {
	591
	592	// article fits in viewport OR article is longer than viewport and
	593	// its bottom is visible
	594
	595	if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
	596	ctr.scrollTop + ctr.offsetHeight) {
	597
	598	// debug(e.id + " is visible " + e.offsetTop + "." +
	599	// (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
	600	// (ctr.scrollTop + ctr.offsetHeight));
	601
	602	ids.push(e.id.replace("RROW-", ""));
	603
	604	} else if (e.offsetHeight > ctr.offsetHeight &&
	605	e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
	606	e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
	607
	608	ids.push(e.id.replace("RROW-", ""));
	609
	610	}
	611
c50e2b30 AD	612	// method 2: article bottom is visible and is in upper 1/2 of the viewport
	613
	614	/* if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
	615	e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
	616
	617	ids.push(e.id.replace("RROW-", ""));
	618
	619	} */
	620
ba0978c8 AD	621	}
	622
	623	e = e.nextSibling;
	624	}
	625
	626	debug("cdmWatchdog, ids= " + ids.toString());
	627
	628	if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
	629
	630	for (var i = 0; i < ids.length; i++) {
	631	var e = document.getElementById("RROW-" + ids[i]);
	632	if (e) {
	633	e.className = e.className.replace("Unread", "");
	634	}
	635	}
	636
	637	var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
	638	param_escape(ids.toString()) + "&cmode=0";
	639
f8e47112	640	xmlhttp_rpc.open("GET", query, true);
ba0978c8	641	xmlhttp_rpc.onreadystatechange=all_counters_callback;
c50e2b30	642	xmlhttp_rpc.send(null);
ba0978c8 AD	643
	644	}
	645
c50e2b30	646	_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
ba0978c8 AD	647
	648	} catch (e) {
	649	exception_error(e, "cdmWatchdog");
	650	}
	651
	652	}