mirror of
https://github.com/pierre42100/ComunicWeb
synced 2024-12-28 03:38:51 +00:00
145 lines
3.3 KiB
JavaScript
145 lines
3.3 KiB
JavaScript
/**
|
|
* Groups posts section
|
|
*
|
|
* @author Pierre HUBERT
|
|
*/
|
|
|
|
ComunicWeb.pages.groups.sections.posts = {
|
|
|
|
/**
|
|
* ID of the oldest known post
|
|
*/
|
|
_oldest_post_id: 0,
|
|
|
|
/**
|
|
* Loading message
|
|
*/
|
|
_loading_msg: null,
|
|
|
|
/**
|
|
* Load post lock
|
|
*/
|
|
_load_post_locked: false,
|
|
|
|
/**
|
|
* Display the section
|
|
*
|
|
* @param {Object} info Information about the related group
|
|
* @param {HTMLElement} target The target for the section
|
|
*/
|
|
display: function(info, target){
|
|
|
|
//Reset posts counter
|
|
this._oldest_post_id = 0;
|
|
this._load_post_locked = true;
|
|
|
|
//Create posts target
|
|
var postsBody = createElem2({
|
|
appendTo: target,
|
|
type: "div",
|
|
class: "box box-primary box-group-posts"
|
|
});
|
|
|
|
var postsBody = createElem2({
|
|
appendTo: postsBody,
|
|
type: "div",
|
|
class: "box-body"
|
|
});
|
|
|
|
//Display loading message
|
|
this._loading_msg = ComunicWeb.common.messages.createCalloutElem(
|
|
"Loading", "Please wait while we load this group posts...", "info");
|
|
postsBody.appendChild(this._loading_msg);
|
|
|
|
//Refresh the list of posts
|
|
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);
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Refresh the list of posts of this group
|
|
*
|
|
* @param {Object} info Information about the group
|
|
* @param {HTMLElement} target
|
|
*/
|
|
_refresh_list: function(info, target){
|
|
|
|
//Get the posts of the group
|
|
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();
|
|
|
|
//Check for errors
|
|
if(result.error){
|
|
target.appendChild(ComunicWeb.common.messages.createCalloutElem(
|
|
"Error", "Could not get this group posts!", "danger"));
|
|
return;
|
|
}
|
|
|
|
|
|
//Display the list of posts
|
|
ComunicWeb.pages.groups.sections.posts._display_list(result, target);
|
|
});
|
|
|
|
},
|
|
|
|
/**
|
|
* Display a list of posts
|
|
*
|
|
* @param {Array} list The list of posts
|
|
* @param {HTMLElement} target The target for the list
|
|
*/
|
|
_display_list: function(list, target){
|
|
|
|
var oldest_id = 0;
|
|
|
|
list.forEach(function(post){
|
|
|
|
if(oldest_id == 0 || post.ID < oldest_id)
|
|
oldest_id = post.ID;
|
|
|
|
//Display the post
|
|
ComunicWeb.components.posts.ui.display_post(post, target);
|
|
});
|
|
|
|
if(this._oldest_post_id == 0 && oldest_id == 0){
|
|
|
|
//Display message
|
|
var message = ComunicWeb.common.messages.createCalloutElem("No post to display", "This group has not sent any post yet.", "info");
|
|
message.className += " noGroupPosts";
|
|
target.appendChild(message);
|
|
|
|
}
|
|
|
|
if(this._oldest_post_id == 0 || 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;
|
|
},
|
|
|
|
}; |