Page MenuHomeMusing Studio
Files F13351629

posts.js
No OneTemporary
Actions

posts.js
View Options

/**
* Functionality for managing local Write.as posts.
*
* Dependencies:
* h.js
*/
function toggleTheme() {
var btns;
try {
btns = Array.prototype.slice.call(document.getElementById('belt').querySelectorAll('.tool img'));
} catch (e) {}
if (document.body.className == 'light') {
document.body.className = 'dark';
try {
for (var i=0; i<btns.length; i++) {
btns[i].src = btns[i].src.replace('_dark@2x.png', '@2x.png');
}
} catch (e) {}
} else if (document.body.className == 'dark') {
document.body.className = 'light';
try {
for (var i=0; i<btns.length; i++) {
btns[i].src = btns[i].src.replace('@2x.png', '_dark@2x.png');
}
} catch (e) {}
} else {
// Don't alter the theme
return;
}
H.set('padTheme', document.body.className);
}
if (H.get('padTheme', 'light') != 'light') {
toggleTheme();
}
var deleting = false;
function delPost(e, id, owned) {
e.preventDefault();
if (deleting) {
return;
}
// TODO: UNDO!
if (window.confirm('Are you sure you want to delete this post?')) {
var token;
for (var i=0; i<posts.length; i++) {
if (posts[i].id == id) {
token = posts[i].token;
break;
}
}
if (owned || token) {
// AJAX
deletePost(id, token, function() {
// Remove post from list
var $postEl = document.getElementById('post-' + id);
$postEl.parentNode.removeChild($postEl);
if (posts.length == 0) {
displayNoPosts();
return;
}
// Fill in full page of posts
var $postsChildren = $posts.el.getElementsByClassName('post');
if ($postsChildren.length < postsPerPage && $postsChildren.length < posts.length) {
var lastVisiblePostID = $postsChildren[$postsChildren.length-1].id;
lastVisiblePostID = lastVisiblePostID.substr(lastVisiblePostID.indexOf('-')+1);
for (var i=0; i<posts.length-1; i++) {
if (posts[i].id == lastVisiblePostID) {
var $moreBtn = document.getElementById('more-posts');
if ($moreBtn) {
// Should always land here (?)
$posts.el.insertBefore(createPostEl(posts[i-1]), $moreBtn);
} else {
$posts.el.appendChild(createPostEl(posts[i-1]));
}
}
}
}
});
} else {
alert('Something went seriously wrong. Try refreshing.');
}
}
}
var getFormattedDate = function(d) {
var mos = [
"January", "February", "March",
"April", "May", "June", "July",
"August", "September", "October",
"November", "December"
];
var day = d.getDate();
var mo = d.getMonth();
var yr = d.getFullYear();
return mos[mo] + ' ' + day + ', ' + yr;
};
var posts = JSON.parse(H.get('posts', '[]'));
var initialListPop = function() {
pages = Math.ceil(posts.length / postsPerPage);
loadPage(page, true);
};
var $posts = H.getEl("posts");
if ($posts.el == null) {
$posts = H.getEl("unsynced-posts");
}
$posts.el.innerHTML = '<p class="status">Reading...</p>';
var createMorePostsEl = function() {
var $more = document.createElement('div');
var nextPage = page+1;
$more.id = 'more-posts';
$more.innerHTML = '<p><a href="#' + nextPage + '">More...</a></p>';
return $more;
};
var localPosts = function() {
var $delPost, lastDelPost, lastInfoHTML;
var $info = He.get('unsynced-posts-info');
var findPostIdx = function(id) {
for (var i=0; i<posts.length; i++) {
if (posts[i].id == id) {
return i;
}
}
return -1;
};
var DismissError = function(e, el) {
e.preventDefault();
var $errorMsg = el.parentNode.previousElementSibling;
$errorMsg.parentNode.removeChild($errorMsg);
var $errorMsgNav = el.parentNode;
$errorMsgNav.parentNode.removeChild($errorMsgNav);
};
var DeletePostLocal = function(e, el, id) {
e.preventDefault();
if (!window.confirm('Are you sure you want to delete this post?')) {
return;
}
var i = findPostIdx(id);
if (i > -1) {
lastDelPost = posts.splice(i, 1)[0];
$delPost = H.getEl('post-'+id);
$delPost.setClass('del-undo');
var $unsyncPosts = document.getElementById('unsynced-posts');
var visible = $unsyncPosts.children.length;
for (var i=0; i < $unsyncPosts.children.length; i++) { // NOTE: *.children support in IE9+
if ($unsyncPosts.children[i].className.indexOf('del-undo') !== -1) {
visible--;
}
}
if (visible == 0) {
H.getEl('unsynced-posts-header').hide();
// TODO: fix undo functionality and don't do the following:
H.getEl('unsynced-posts-info').hide();
}
H.set('posts', JSON.stringify(posts));
// TODO: fix undo functionality and re-add
//lastInfoHTML = $info.innerHTML;
//$info.innerHTML = 'Unsynced entry deleted. <a href="#" onclick="localPosts.undoDelete()">Undo</a>.';
}
};
var UndoDelete = function() {
// TODO: fix this header reappearing
H.getEl('unsynced-posts-header').show();
$delPost.removeClass('del-undo');
$info.innerHTML = lastInfoHTML;
};
return {
dismissError: DismissError,
deletePost: DeletePostLocal,
undoDelete: UndoDelete,
};
}();
var movePostHTML = function(postID) {
let $tmpl = document.getElementById('move-tmpl');
if ($tmpl === null) {
return "";
}
return $tmpl.innerHTML.replace(/POST_ID/g, postID);
}
var createPostEl = function(post, owned) {
var $post = document.createElement('div');
let p = H.createPost(post.id, "", post.body)
var title = (post.title || p.title || post.id);
title = title.replace(/</g, "&lt;");
$post.id = 'post-' + post.id;
$post.className = 'post';
$post.innerHTML = '<h3><a href="/' + post.id + '">' + title + '</a></h3>';
var posted = "";
if (post.created) {
posted = getFormattedDate(new Date(post.created))
}
var hasDraft = H.exists('draft' + post.id);
$post.innerHTML += '<h4><date>' + posted + '</date> <a class="action" href="/pad/' + post.id + '">edit' + (hasDraft ? 'ed' : '') + '</a> <a class="delete action" href="/' + post.id + '" onclick="delPost(event, \'' + post.id + '\'' + (owned === true ? ', true' : '') + ')">delete</a> '+movePostHTML(post.id)+'</h4>';
if (post.error) {
$post.innerHTML += '<p class="error"><strong>Sync error:</strong> ' + post.error + ' <nav><a href="#" onclick="localPosts.dismissError(event, this)">dismiss</a> <a href="#" onclick="localPosts.deletePost(event, this, \''+post.id+'\')">remove post</a></nav></p>';
}
if (post.summary) {
// TODO: switch to using p.summary, after ensuring it matches summary generated on the backend.
$post.innerHTML += '<p>' + post.summary.replace(/</g, "&lt;") + '</p>';
} else if (post.body) {
var preview;
if (post.body.length > 140) {
preview = post.body.substr(0, 140) + '...';
} else {
preview = post.body;
}
$post.innerHTML += '<p>' + preview.replace(/</g, "&lt;") + '</p>';
}
return $post;
};
var loadPage = function(p, loadAll) {
if (loadAll) {
$posts.el.innerHTML = '';
}
var startPost = posts.length - 1 - (loadAll ? 0 : ((p-1)*postsPerPage));
var endPost = posts.length - 1 - (p*postsPerPage);
for (var i=startPost; i>=0 && i>endPost; i--) {
$posts.el.appendChild(createPostEl(posts[i]));
}
if (loadAll) {
if (p < pages) {
$posts.el.appendChild(createMorePostsEl());
}
} else {
var $moreEl = document.getElementById('more-posts');
$moreEl.parentNode.removeChild($moreEl);
}
try {
postsLoaded(posts.length);
} catch (e) {}
};
var getPageNum = function(url) {
var hash;
if (url) {
hash = url.substr(url.indexOf('#')+1);
} else {
hash = window.location.hash.substr(1);
}
var page = hash || 1;
page = parseInt(page);
if (isNaN(page)) {
page = 1;
}
return page;
};
var postsPerPage = 10;
var pages = 0;
var page = getPageNum();
window.addEventListener('hashchange', function(e) {
var newPage = getPageNum();
var didPageIncrement = newPage == getPageNum(e.oldURL) + 1;
loadPage(newPage, !didPageIncrement);
});
var deletePost = function(postID, token, callback) {
deleting = true;
var $delBtn = document.getElementById('post-' + postID).getElementsByClassName('delete action')[0];
$delBtn.innerHTML = '...';
var http = new XMLHttpRequest();
var url = "/api/posts/" + postID + (typeof token !== 'undefined' ? "?token=" + encodeURIComponent(token) : '');
http.open("DELETE", url, true);
http.onreadystatechange = function() {
if (http.readyState == 4) {
deleting = false;
if (http.status == 204 || http.status == 404) {
for (var i=0; i<posts.length; i++) {
if (posts[i].id == postID) {
// TODO: use this return value, along will full content, for restoring post
posts.splice(i, 1);
break;
}
}
H.set('posts', JSON.stringify(posts));
callback();
} else if (http.status == 409) {
$delBtn.innerHTML = 'delete';
alert("Post is synced to another account. Delete the post from that account instead.");
// TODO: show "remove" button instead of "delete" now
// Persist that state.
// Have it remove the post locally only.
} else {
$delBtn.innerHTML = 'delete';
alert("Failed to delete. Please try again.");
}
}
}
http.send();
};
var hasWritten = H.get('lastDoc', '') !== '';
var displayNoPosts = function() {
if (auth) {
$posts.el.innerHTML = '';
return;
}
var cta = '<a href="/pad">Create a post</a> and it\'ll appear here.';
if (hasWritten) {
cta = '<a href="/pad">Finish your post</a> and it\'ll appear here.';
}
H.getEl("posts").el.innerHTML = '<p class="status">No posts created yet.</p><p class="status">' + cta + '</p>';
};
if (posts.length == 0) {
displayNoPosts();
} else {
initialListPop();
}

File Metadata

Mime Type
text/html
Expires
Sat, Jan 17, 4:30 AM (1 d, 17 h)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
3588710

Event Timeline

musing studio · developers