From 118e9399b7896472af1f3e3c349c35a9a94072b1 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@bah.org.ru>
Date: Fri, 10 Sep 2010 13:59:21 +0400
Subject: more digest page improvements

---
 digest.js | 129 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 116 insertions(+), 13 deletions(-)

(limited to 'digest.js')

diff --git a/digest.js b/digest.js
index d641733f0..01f96a54e 100644
--- a/digest.js
+++ b/digest.js
@@ -2,12 +2,81 @@ var last_feeds = [];
 
 var _active_feed_id = false;
 var _active_feed_offset = false;
+var _update_timeout = false;
 
-function view(article_id) {
+function zoom(article_id) {
 	try {
-		new Effect.Fade('A-' + article_id, {duration : 0.3});
+		var elem = $('A-' + article_id);
 
-		return true;
+		if (elem) {
+			var divs = elem.getElementsByTagName('DIV');
+			
+			for (var i = 0; i < divs.length; i++) {
+				if (divs[i].className == 'excerpt') 
+					Element.hide(divs[i]);
+
+				if (divs[i].className == 'content') 
+					Element.show(divs[i]);
+			}
+		}
+
+		var query = "backend.php?op=rpc&subop=digest-mark&article_id=" + article_id;
+
+		new Ajax.Request("backend.php",	{
+			parameters: query, 
+			onComplete: function(transport) {
+					window.clearTimeout(_update_timeout);
+					_update_timeout = window.setTimeout('update()', 1000);					
+				} });
+
+	} catch (e) {
+		exception_error("zoom", e);
+	}
+}
+
+function load_more() {
+	try {
+		var elem = $('MORE-PROMPT');
+
+		if (elem) {
+			elem.id = '';
+			Element.hide(elem);
+		}
+
+		viewfeed(_active_feed_id, _active_feed_offset + 10);
+	} catch (e) {
+		exception_error("load_more", e);
+	}
+}
+
+function update() {
+	try {
+		viewfeed(_active_feed_id, _active_feed_offset);
+	} catch (e) {
+		exception_error("update", e);
+	}
+}
+
+function view(article_id, dismiss_only) {
+	try {
+		var elem = $('A-' + article_id);
+
+		elem.id = '';
+
+		//new Effect.Fade(elem, {duration : 0.3});
+
+		Element.hide(elem);
+
+		var query = "backend.php?op=rpc&subop=digest-mark&article_id=" + article_id;
+
+		new Ajax.Request("backend.php",	{
+			parameters: query, 
+			onComplete: function(transport) {
+					window.clearTimeout(_update_timeout);
+					_update_timeout = window.setTimeout('update()', 1000);					
+				} });
+
+		return dismiss_only != true;
 	} catch (e) {
 		exception_error("view", e);
 	}
@@ -31,7 +100,7 @@ function viewfeed(feed_id, offset) {
 		new Ajax.Request("backend.php",	{
 			parameters: query, 
 			onComplete: function(transport) {
-				digest_update(transport);
+				digest_update(transport, feed_id);
 				_active_feed_id = feed_id;
 				_active_feed_offset = offset;
 				} });
@@ -41,6 +110,20 @@ function viewfeed(feed_id, offset) {
 	}
 }
 
+function find_article(articles, article_id) {
+	try {
+		for (var i = 0; i < articles.length; i++) {
+			if (articles[i].id == article_id)
+				return articles[i];
+		}
+
+		return false;
+
+	} catch (e) {
+		exception_error("find_article", e);
+	}
+}
+
 function find_feed(feeds, feed_id) {
 	try {
 		for (var i = 0; i < feeds.length; i++) {
@@ -120,10 +203,15 @@ function add_headline_entry(article, feed) {
 
 		var tmp_html = "<li id=\"A-"+article.id+"\">" + 
 			icon_part +
+			"<img title='Dismiss' onclick=\"view("+article.id+", true)\" class='digest-check' src='images/digest_checkbox.png'>" +
 			"<a target=\"_blank\" href=\""+article.link+"\""+
 		  		"onclick=\"return view("+article.id+")\" class='title'>" + 
 				article.title + "</a>" +
-			"<div class='body'><div class='excerpt'>" + article.excerpt + "</div>" +
+			"<div class='body'>" + 
+			"<div title=\"Click to expand article\" onclick=\"zoom("+article.id+")\" class='excerpt'>" + 
+				article.excerpt + "</div>" +
+			"<div style='display : none' class='content'>" + 
+				article.content + "</div>" +
 			"<div class='info'><a>" + feed.title + "</a> " + " @ " + 
 				new Date(article.updated * 1000) + "</div>" +
 			"</div></li>";
@@ -135,7 +223,7 @@ function add_headline_entry(article, feed) {
 	}
 }
 
-function digest_update(transport) {
+function digest_update(transport, feed_id) {
 	try {
 		var feeds = transport.responseXML.getElementsByTagName('feeds')[0];
 		var headlines = transport.responseXML.getElementsByTagName('headlines')[0];
@@ -157,17 +245,32 @@ function digest_update(transport) {
 		if (headlines) {
 			headlines = eval("(" + headlines.firstChild.nodeValue + ")");
 
-			$('headlines-content').innerHTML = "";
+			if (_active_feed_id != feed_id) 
+				$('headlines-content').innerHTML = "";
+
+			//Element.hide('headlines-content');
+			
+			var pr = $('MORE-PROMPT');
 
-			Element.hide('headlines-content');
+			if (pr) {
+				pr.id = '';
+				Element.hide(pr);
+			}
 
 			for (var i = 0; i < headlines.length; i++) {
-				add_headline_entry(headlines[i], find_feed(feeds, headlines[i].feed_id));
+				var elem = $('A-' + headlines[i].id);
+				
+				if (elem && Element.visible(elem)) {
+
+
+				} else {
+					add_headline_entry(headlines[i], find_feed(feeds, headlines[i].feed_id));
+				}
 			}
 
-//			$('headlines-content').innerHTML += "<li>" +
-//				"<div class='body'><a href=\"#\" onclick=\"viewfeed(false, 10)\">" +
-//			  	__("More articles...") + "</a></div></li>";
+			$('headlines-content').innerHTML += "<li id='MORE-PROMPT'>" +
+				"<div class='body'><a href=\"#\" onclick=\"load_more()\">" +
+			  	__("More articles...") + "</a></div></li>";
 
 			new Effect.Appear('headlines-content');
 
@@ -184,7 +287,7 @@ function digest_init() {
 		new Ajax.Request("backend.php",	{
 			parameters: "backend.php?op=rpc&subop=digest-init",
 			onComplete: function(transport) {
-				digest_update(transport);
+				digest_update(transport, -4);
 				window.setTimeout('viewfeed(-4)', 100);
 				} });
 
-- 
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