miniflux-legacy/assets/js/item.js

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JavaScript
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2013-10-15 04:38:07 +02:00
Miniflux.Item = (function() {
function getItem(item_id)
{
var item = document.getElementById("item-" + item_id);
if (! item) {
item = document.getElementById("current-item");
if (item.getAttribute("data-item-id") != item_id) item = false;
}
return item;
}
function changeBookmarkLabel(item_id)
{
var link = document.getElementById("bookmark-" + item_id);
if (link && link.getAttribute("data-reverse-label")) {
var content = link.innerHTML;
link.innerHTML = link.getAttribute("data-reverse-label");
link.setAttribute("data-reverse-label", content);
}
}
function showItemBookmarked(item_id, item)
{
if (! Miniflux.Nav.IsListing()) {
var link = document.getElementById("bookmark-" + item_id);
if (link) link.innerHTML = "★";
}
else {
var link = document.getElementById("show-" + item_id);
if (link) {
var icon = document.createElement("span");
icon.id = "bookmark-icon-" + item_id;
icon.appendChild(document.createTextNode("★ "));
link.parentNode.insertBefore(icon, link);
}
changeBookmarkLabel(item_id);
}
}
function hideItemBookmarked(item_id, item)
{
if (! Miniflux.Nav.IsListing()) {
var link = document.getElementById("bookmark-" + item_id);
if (link) link.innerHTML = "☆";
}
else {
var icon = document.getElementById("bookmark-icon-" + item_id);
if (icon) icon.parentNode.removeChild(icon);
changeBookmarkLabel(item_id);
}
}
function changeStatusLabel(item_id)
{
var link = document.getElementById("status-" + item_id);
if (link) {
var content = link.innerHTML;
link.innerHTML = link.getAttribute("data-reverse-label");
link.setAttribute("data-reverse-label", content);
}
}
function showItemAsRead(item_id)
{
var item = getItem(item_id);
if (item) {
if (item.getAttribute("data-hide")) {
hideItem(item);
}
else {
item.setAttribute("data-item-status", "read");
changeStatusLabel(item_id);
// Show icon
var link = document.getElementById("show-" + item_id);
if (link) {
link.className = "read";
var icon = document.createElement("span");
icon.id = "read-icon-" + item_id;
icon.appendChild(document.createTextNode("☑ "));
link.parentNode.insertBefore(icon, link);
}
// Change action
link = document.getElementById("status-" + item_id);
if (link) link.setAttribute("data-action", "mark-unread");
}
}
}
function showItemAsUnread(item_id)
{
var item = getItem(item_id);
if (item) {
if (item.getAttribute("data-hide")) {
hideItem(item);
}
else {
item.setAttribute("data-item-status", "unread");
changeStatusLabel(item_id);
// Remove icon
var link = document.getElementById("show-" + item_id);
if (link) link.className = "";
var icon = document.getElementById("read-icon-" + item_id);
if (icon) icon.parentNode.removeChild(icon);
// Change action
link = document.getElementById("status-" + item_id);
if (link) link.setAttribute("data-action", "mark-read");
}
}
}
function hideItem(item)
{
if (Miniflux.Event.lastEventType != "mouse") {
Miniflux.Nav.SelectNextItem();
}
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item.parentNode.removeChild(item);
var container = document.getElementById("page-counter");
if (container) {
counter = parseInt(container.textContent.trim(), 10) - 1;
if (counter == 0) {
window.location = "?action=unread";
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}
else {
container.textContent = counter + " ";
document.title = "miniflux (" + counter + ")";
document.getElementById("nav-counter").textContent = "(" + counter + ")";
}
}
}
function markAsRead(item_id)
{
var request = new XMLHttpRequest();
request.onload = function() {
if (Miniflux.Nav.IsListing()) showItemAsRead(item_id);
};
request.open("POST", "?action=mark-item-read&id=" + item_id, true);
request.send();
}
function markAsUnread(item_id)
{
var request = new XMLHttpRequest();
request.onload = function() {
if (Miniflux.Nav.IsListing()) showItemAsUnread(item_id);
};
request.open("POST", "?action=mark-item-unread&id=" + item_id, true);
request.send();
}
function bookmark(item, value)
{
var item_id = item.getAttribute("data-item-id");
var request = new XMLHttpRequest();
request.onload = function() {
item.setAttribute("data-item-bookmark", value);
if (value) {
showItemBookmarked(item_id, item);
}
else {
hideItemBookmarked(item_id, item);
}
};
request.open("POST", "?action=bookmark&id=" + item_id + "&value=" + value, true);
request.send();
}
return {
Get: getItem,
MarkAsRead: markAsRead,
MarkAsUnread: markAsUnread,
SwitchBookmark: function(item) {
var bookmarked = item.getAttribute("data-item-bookmark");
if (bookmarked == "1") {
bookmark(item, 0);
}
else {
bookmark(item, 1);
}
},
SwitchStatus: function(item) {
var item_id = item.getAttribute("data-item-id");
var status = item.getAttribute("data-item-status");
if (status == "read") {
markAsUnread(item_id);
}
else if (status == "unread") {
markAsRead(item_id);
}
},
ChangeStatus: function(item_id, status) {
switch (status) {
case "read":
markAsRead(item_id);
break;
case "unread":
markAsUnread(item_id);
break;
}
},
Show: function(item_id) {
var link = document.getElementById("show-" + item_id);
if (link) link.click();
},
OpenOriginal: function(item_id) {
var link = document.getElementById("original-" + item_id);
if (link) {
if (getItem(item_id).getAttribute("data-item-status") == "unread") markAsRead(item_id);
link.removeAttribute("data-action");
link.click();
}
},
DownloadContent: function() {
var container = document.getElementById("download-item");
if (! container) return;
var item_id = container.getAttribute("data-item-id");
var message = container.getAttribute("data-before-message");
var img = document.createElement("img");
img.src = "./assets/img/refresh.gif";
container.innerHTML = "";
container.className = "downloading";
container.appendChild(img);
container.appendChild(document.createTextNode(" " + message));
var request = new XMLHttpRequest();
request.onload = function() {
var response = JSON.parse(request.responseText);
if (response.result) {
var content = document.getElementById("item-content");
if (content) content.innerHTML = response.content;
if (container) {
var message = container.getAttribute("data-after-message");
container.innerHTML = "";
container.appendChild(document.createTextNode(" " + message));
}
}
else {
if (container) {
var message = container.getAttribute("data-failure-message");
container.innerHTML = "";
container.appendChild(document.createTextNode(" " + message));
}
}
};
request.open("POST", "?action=download-item&id=" + item_id, true);
request.send();
},
MarkListingAsRead: function(redirect) {
var articles = document.getElementsByTagName("article");
var listing = [];
for (var i = 0, ilen = articles.length; i < ilen; i++) {
listing.push(articles[i].getAttribute("data-item-id"));
}
var request = new XMLHttpRequest();
request.onload = function() {
window.location.href = redirect;
};
request.open("POST", "?action=mark-items-as-read", true);
request.send(JSON.stringify(listing));
}
};
})();