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Code Issues Releases Wiki Activity

backend/viewfeed: use JSON

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This commit is contained in:
Andrew Dolgov
2011-03-18 12:55:45 +03:00
parent 009646d23a
commit bd202c3f89
4 changed files with 343 additions and 400 deletions
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151
viewfeed.js
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@@ -25,47 +25,35 @@ function headlines_callback2(transport, feed_cur_page) {
var is_cat = false;
var feed_id = false;
if (transport.responseXML) {
var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
if (headlines) {
is_cat = headlines.getAttribute("is_cat");
feed_id = headlines.getAttribute("id");
setActiveFeedId(feed_id, is_cat);
}
}
var update_btn = document.forms["main_toolbar_form"].update;
update_btn.disabled = !(feed_id >= 0 && !is_cat);
var reply;
try {
if (feed_cur_page == 0) {
$("headlines-frame").scrollTop = 0;
}
} catch (e) { };
reply = JSON.parse(transport.responseText);
} catch (e) {
console.error(e);
}
if (transport.responseXML) {
var response = transport.responseXML;
if (reply) {
var headlines = response.getElementsByTagName("headlines")[0];
is_cat = reply['headlines']['is_cat'];
feed_id = reply['headlines']['id'];
var headlines_content = headlines.getElementsByTagName("content")[0];
var headlines_toolbar = headlines.getElementsByTagName("toolbar")[0];
setActiveFeedId(feed_id, is_cat);
var headlines_info = response.getElementsByTagName("headlines-info")[0];
var update_btn = document.forms["main_toolbar_form"].update;
if (headlines_info)
headlines_info = JSON.parse(headlines_info.firstChild.nodeValue);
else {
console.error("didn't find headlines-info object in response");
return;
}
update_btn.disabled = !(feed_id >= 0 && !is_cat);
var headlines_count = headlines_info.count;
var headlines_unread = headlines_info.unread;
var disable_cache = headlines_info.disable_cache;
try {
if (feed_cur_page == 0) {
$("headlines-frame").scrollTop = 0;
}
} catch (e) { };
vgroup_last_feed = headlines_info.vgroup_last_feed;
var headlines_count = reply['headlines-info']['count'];
var headlines_unread = reply['headlines-info']['unread'];
vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
_infscroll_disable = 1;
@@ -73,82 +61,49 @@ function headlines_callback2(transport, feed_cur_page) {
_infscroll_disable = 0;
}
var counters = response.getElementsByTagName("counters")[0];
var articles = response.getElementsByTagName("article");
var runtime_info = response.getElementsByTagName("runtime-info");
var counters = reply['counters'];
var articles = reply['articles'];
var runtime_info = reply['runtime-info'];
if (feed_cur_page == 0) {
if (headlines) {
dijit.byId("headlines-frame").attr('content',
headlines_content.firstChild.nodeValue);
dijit.byId("headlines-frame").attr('content',
reply['headlines']['content']);
dijit.byId("headlines-toolbar").attr('content',
headlines_toolbar.firstChild.nodeValue);
dijit.byId("headlines-toolbar").attr('content',
reply['headlines']['toolbar']);
initHeadlinesMenu();
} else {
if (headlines_count > 0) {
console.log("adding some more headlines...");
var c = dijit.byId("headlines-frame");
var ids = getSelectedArticleIds2();
$("headlines-tmp").innerHTML = reply['headlines']['content'];
$$("#headlines-tmp > div").each(function(row) {
c.domNode.appendChild(row);
});
console.log("restore selected ids: " + ids);
for (var i = 0; i < ids.length; i++) {
markHeadline(ids[i]);
}
initHeadlinesMenu();
/* var cache_prefix = "";
if (is_cat) {
cache_prefix = "C:";
} else {
cache_prefix = "F:";
}
cache_invalidate(cache_prefix + feed_id);
if (!disable_cache) {
cache_inject(cache_prefix + feed_id,
$("headlines-frame").innerHTML, headlines_unread);
} */
} else {
console.warn("headlines_callback: returned no data");
dijit.byId("headlines-frame").attr('content',
"<div class='whiteBox'>" +
__('Could not update headlines (missing XML data)') + "</div>");
console.log("no new headlines received");
}
} else {
if (headlines) {
if (headlines_count > 0) {
console.log("adding some more headlines...");
var c = dijit.byId("headlines-frame");
var ids = getSelectedArticleIds2();
//c.attr('content', c.attr('content') +
// headlines_content.firstChild.nodeValue);
$("headlines-tmp").innerHTML = headlines_content.firstChild.nodeValue;
$$("#headlines-tmp > div").each(function(row) {
c.domNode.appendChild(row);
});
console.log("restore selected ids: " + ids);
for (var i = 0; i < ids.length; i++) {
markHeadline(ids[i]);
}
initHeadlinesMenu();
} else {
console.log("no new headlines received");
}
} else {
console.warn("headlines_callback: returned no data");
notify_error("Error while trying to load more headlines");
}
}
if (articles) {
for (var i = 0; i < articles.length; i++) {
var a_id = articles[i].getAttribute("id");
//console.log("found id: " + a_id);
cache_inject(a_id, articles[i].firstChild.nodeValue);
var a_id = articles[i]['id'];
cache_inject(a_id, articles[i]['content']);
}
} else {
console.log("no cached articles received");
@@ -162,11 +117,9 @@ function headlines_callback2(transport, feed_cur_page) {
} else {
console.warn("headlines_callback: returned no XML object");
dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
__('Could not update headlines (missing XML object)') + "</div>");
__('Could not update headlines (invalid object received)') + "</div>");
}
_feed_cur_page = feed_cur_page;
_infscroll_request_sent = 0;