[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);	
			}
			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();
		}
	}
}

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);

			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);

			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;

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