Comunic/ComunicWeb
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Can scroll posts list to get older posts.

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This commit is contained in:
Pierre HUBERT 2018-07-17 09:40:13 +02:00
parent 74e06a2b89
commit acb4e1b384
1 changed files with 36 additions and 1 deletions
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37
assets/js/pages/groups/sections/posts.js
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@ -16,6 +16,11 @@ ComunicWeb.pages.groups.sections.posts = {
*/ */
_loading_msg: null, _loading_msg: null,
/**
* Load post lock
*/
_load_post_locked: false,
/** /**
* Display the section * Display the section
* *
@ -26,6 +31,7 @@ ComunicWeb.pages.groups.sections.posts = {
//Reset posts counter //Reset posts counter
this._oldest_post_id = 0; this._oldest_post_id = 0;
this._load_post_locked = true;
//Create posts target //Create posts target
var postsBody = createElem2({ var postsBody = createElem2({
@ -45,7 +51,31 @@ ComunicWeb.pages.groups.sections.posts = {
"Loading", "Please wait while we load this group posts...", "info"); "Loading", "Please wait while we load this group posts...", "info");
postsBody.appendChild(this._loading_msg); postsBody.appendChild(this._loading_msg);
//Refresh the list of posts
this._refresh_list(info, postsBody); this._refresh_list(info, postsBody);
//Detect user scroll
$(window).scroll(function(){
//Cancel event if it came by error
if(!postsBody.isConnected)
return;
//Cancel event if the page is locked
if(ComunicWeb.pages.groups.sections.posts._load_post_locked !== false)
return;
//Check if we reached the bottom of the page
if($(window).scrollTop() + $(window).height() < $(document).height() - 50){
return;
}
//Lock the loading state
ComunicWeb.pages.groups.sections.posts._load_post_locked = true;
//Load next posts
ComunicWeb.pages.groups.sections.posts._refresh_list(info, postsBody);
});
}, },
/** /**
@ -57,7 +87,8 @@ ComunicWeb.pages.groups.sections.posts = {
_refresh_list: function(info, target){ _refresh_list: function(info, target){
//Get the posts of the group //Get the posts of the group
ComunicWeb.components.posts.interface.get_group(info.id, 0, function(result){ ComunicWeb.components.posts.interface.get_group(info.id,
ComunicWeb.pages.groups.sections.posts._oldest_post_id, function(result){
ComunicWeb.pages.groups.sections.posts._loading_msg.remove(); ComunicWeb.pages.groups.sections.posts._loading_msg.remove();
@ -105,6 +136,10 @@ ComunicWeb.pages.groups.sections.posts = {
if(this._oldest_post_id == 0 || this._oldest_post_id > oldest_id) if(this._oldest_post_id == 0 || this._oldest_post_id > oldest_id)
this._oldest_post_id = oldest_id; this._oldest_post_id = oldest_id;
//Unlock posts loading (only if we received more than one post)
if(list.length > 0)
this._load_post_locked = false;
}, },
}; };