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have post hiding persist in localstorage

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This commit is contained in:
Jeff Becker 2016-07-18 10:44:18 -04:00
parent 76cb2341ce
commit a9d2c0425d
1 changed files with 49 additions and 2 deletions
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49
contrib/js/hide-post.js
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@ -1,6 +1,33 @@
/** hidepost.js -- hides posts from page given $things */
function get_hidden_posts() {
var st = get_storage();
var prefix = "nntpchan_hide_post_";
return {
all : function() {
var msgids = [];
for ( var k in st) {
if (k.indexOf(prefix) == 0) {
var m = k.substring(prefix.length);
msgids.push(m);
}
}
return msgids;
},
add : function (msg) {
st[prefix+msg] = "post";
},
del : function (msg) {
st.removeItem(prefix+msg);
}
}
}
// is a post elem an OP?
function postIsOP(elem) {
var ds = elem.dataset;
@ -33,7 +60,11 @@ function _elemIsHidden(elem) {
// hide a post
function hidepost(elem) {
console.log("hidepost("+elem.dataset.msgid+")");
var posts = get_hidden_posts();
if (posts) {
// add to persitant hide
posts.add(elem.dataset.msgidhash);
}
if(postIsOP(elem)) {
// hide thread it's an OP
var thread = document.getElementById("thread_"+elem.dataset.rootmsgidhash);
@ -65,6 +96,11 @@ function hidepost(elem) {
// unhide a post
function unhidepost(elem) {
console.log("unhidepost("+elem.dataset.msgid+")");
var posts = get_hidden_posts();
if (posts) {
// remove from persiting hide
posts.del(elem.dataset.msgidhash);
}
if(postIsOP(elem)) {
var thread = document.getElementById("thread_"+elem.dataset.rootmsgidhash);
if(thread) {
@ -154,4 +190,15 @@ onready(function() {
};
inject(posts[idx]);
}
// apply persiting hidden posts
var posts = get_hidden_posts();
if(posts) {
var all = posts.all();
for ( var idx = 0 ; idx < all.length; idx ++ ) {
var id = all[idx];
var elem = document.getElementById(id);
if(elem)
elem.hide();
}
}
});