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tt-rss/js/common.js

422 lines
9.7 KiB
JavaScript

'use strict'
/* global dijit, __ */
let init_params = {};
let _label_base_index = -1024;
let loading_progress = 0;
let notify_hide_timerid = false;
Ajax.Base.prototype.initialize = Ajax.Base.prototype.initialize.wrap(
function (callOriginal, options) {
if (getInitParam("csrf_token") != undefined) {
Object.extend(options, options || { });
if (Object.isString(options.parameters))
options.parameters = options.parameters.toQueryParams();
else if (Object.isHash(options.parameters))
options.parameters = options.parameters.toObject();
options.parameters["csrf_token"] = getInitParam("csrf_token");
}
return callOriginal(options);
}
);
/* xhr shorthand helpers */
function xhrPost(url, params, complete) {
console.log("xhrPost:", params);
return new Ajax.Request(url, {
parameters: params,
onComplete: complete
});
}
function xhrJson(url, params, complete) {
return xhrPost(url, params, (reply) => {
try {
const obj = JSON.parse(reply.responseText);
complete(obj);
} catch (e) {
console.error("xhrJson", e, reply);
complete(null);
}
})
}
/* add method to remove element from array */
Array.prototype.remove = function(s) {
for (let i=0; i < this.length; i++) {
if (s == this[i]) this.splice(i, 1);
}
};
/* common helpers not worthy of separate Dojo modules */
const Lists = {
onRowChecked: function(elem) {
const checked = elem.domNode ? elem.attr("checked") : elem.checked;
// account for dojo checkboxes
elem = elem.domNode || elem;
const row = elem.up("li");
if (row)
checked ? row.addClassName("Selected") : row.removeClassName("Selected");
}
};
// noinspection JSUnusedGlobalSymbols
const Tables = {
onRowChecked: function(elem) {
// account for dojo checkboxes
const checked = elem.domNode ? elem.attr("checked") : elem.checked;
elem = elem.domNode || elem;
const row = elem.up("tr");
if (row)
checked ? row.addClassName("Selected") : row.removeClassName("Selected");
},
select: function(elemId, selected) {
$(elemId).select("tr").each((row) => {
const checkNode = row.select(".dijitCheckBox,input[type=checkbox]")[0];
if (checkNode) {
const widget = dijit.getEnclosingWidget(checkNode);
if (widget) {
widget.attr("checked", selected);
} else {
checkNode.checked = selected;
}
this.onRowChecked(widget);
}
});
},
getSelected: function(elemId) {
const rv = [];
$(elemId).select("tr").each((row) => {
if (row.hasClassName("Selected")) {
// either older prefix-XXX notation or separate attribute
const rowId = row.getAttribute("data-row-id") || row.id.replace(/^[A-Z]*?-/, "");
if (!isNaN(rowId))
rv.push(parseInt(rowId));
}
});
return rv;
}
};
const Cookie = {
set: function (name, value, lifetime) {
const d = new Date();
d.setTime(d.getTime() + lifetime * 1000);
const expires = "expires=" + d.toUTCString();
document.cookie = name + "=" + encodeURIComponent(value) + "; " + expires;
},
get: function (name) {
name = name + "=";
const ca = document.cookie.split(';');
for (let i=0; i < ca.length; i++) {
let c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1);
if (c.indexOf(name) == 0) return decodeURIComponent(c.substring(name.length, c.length));
}
return "";
},
delete: function(name) {
const expires = "expires=Thu, 01-Jan-1970 00:00:01 GMT";
document.cookie = name + "=" + "" + "; " + expires;
}
};
/* error reporting */
function report_error(message, filename, lineno, colno, error) {
exception_error(error, null, filename, lineno);
}
function exception_error(e, e_compat, filename, lineno, colno) {
if (typeof e == "string") e = e_compat;
if (!e) return; // no exception object, nothing to report.
try {
console.error(e);
const msg = e.toString();
try {
xhrPost("backend.php",
{op: "rpc", method: "log",
file: e.fileName ? e.fileName : filename,
line: e.lineNumber ? e.lineNumber : lineno,
msg: msg, context: e.stack},
(transport) => {
console.warn(transport.responseText);
});
} catch (e) {
console.error("Exception while trying to log the error.", e);
}
let content = "<div class='fatalError'><p>" + msg + "</p>";
if (e.stack) {
content += "<div><b>Stack trace:</b></div>" +
"<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
}
content += "</div>";
content += "<div class='dlgButtons'>";
content += "<button dojoType=\"dijit.form.Button\" "+
"onclick=\"dijit.byId('exceptionDlg').hide()\">" +
__('Close') + "</button>";
content += "</div>";
if (dijit.byId("exceptionDlg"))
dijit.byId("exceptionDlg").destroyRecursive();
const dialog = new dijit.Dialog({
id: "exceptionDlg",
title: "Unhandled exception",
style: "width: 600px",
content: content});
dialog.show();
} catch (ei) {
console.error("Exception while trying to report an exception:", ei);
console.error("Original exception:", e);
alert("Exception occured while trying to report an exception.\n" +
ei.stack + "\n\nOriginal exception:\n" + e.stack);
}
}
function notify_real(msg, no_hide, n_type) {
const n = $("notify");
if (!n) return;
if (notify_hide_timerid) {
window.clearTimeout(notify_hide_timerid);
}
if (msg == "") {
if (n.hasClassName("visible")) {
notify_hide_timerid = window.setTimeout(function() {
n.removeClassName("visible") }, 0);
}
return;
}
/* types:
1 - generic
2 - progress
3 - error
4 - info
*/
msg = "<span class=\"msg\"> " + __(msg) + "</span>";
if (n_type == 2) {
msg = "<span><img src=\""+getInitParam("icon_indicator_white")+"\"></span>" + msg;
no_hide = true;
} else if (n_type == 3) {
msg = "<span><img src=\""+getInitParam("icon_alert")+"\"></span>" + msg;
} else if (n_type == 4) {
msg = "<span><img src=\""+getInitParam("icon_information")+"\"></span>" + msg;
}
msg += " <span><img src=\""+getInitParam("icon_cross")+"\" class=\"close\" title=\"" +
__("Click to close") + "\" onclick=\"notify('')\"></span>";
n.innerHTML = msg;
window.setTimeout(function() {
// goddamnit firefox
if (n_type == 2) {
n.className = "notify notify_progress visible";
} else if (n_type == 3) {
n.className = "notify notify_error visible";
msg = "<span><img src='images/alert.png'></span>" + msg;
} else if (n_type == 4) {
n.className = "notify notify_info visible";
} else {
n.className = "notify visible";
}
if (!no_hide) {
notify_hide_timerid = window.setTimeout(function() {
n.removeClassName("visible") }, 5*1000);
}
}, 10);
}
function notify(msg, no_hide) {
notify_real(msg, no_hide, 1);
}
function notify_progress(msg, no_hide) {
notify_real(msg, no_hide, 2);
}
function notify_error(msg, no_hide) {
notify_real(msg, no_hide, 3);
}
function notify_info(msg, no_hide) {
notify_real(msg, no_hide, 4);
}
// noinspection JSUnusedGlobalSymbols
function displayIfChecked(checkbox, elemId) {
if (checkbox.checked) {
Effect.Appear(elemId, {duration : 0.5});
} else {
Effect.Fade(elemId, {duration : 0.5});
}
}
function getInitParam(key) {
return init_params[key];
}
function setInitParam(key, value) {
init_params[key] = value;
}
function fatalError(code, msg, ext_info) {
if (code == 6) {
window.location.href = "index.php";
} else if (code == 5) {
window.location.href = "public.php?op=dbupdate";
} else {
if (msg == "") msg = "Unknown error";
if (ext_info) {
if (ext_info.responseText) {
ext_info = ext_info.responseText;
}
}
/* global ERRORS */
if (ERRORS && ERRORS[code] && !msg) {
msg = ERRORS[code];
}
let content = "<div><b>Error code:</b> " + code + "</div>" +
"<p>" + msg + "</p>";
if (ext_info) {
content = content + "<div><b>Additional information:</b></div>" +
"<textarea style='width: 100%' readonly=\"1\">" +
ext_info + "</textarea>";
}
const dialog = new dijit.Dialog({
title: "Fatal error",
style: "width: 600px",
content: content});
dialog.show();
}
return false;
}
/* function strip_tags(s) {
return s.replace(/<\/?[^>]+(>|$)/g, "");
} */
// noinspection JSUnusedGlobalSymbols
function uploadIconHandler(rc) {
switch (rc) {
case 0:
notify_info("Upload complete.");
if (App.isPrefs()) {
Feeds.reload();
} else {
setTimeout('Feeds.reload(false, false)', 50);
}
break;
case 1:
notify_error("Upload failed: icon is too big.");
break;
case 2:
notify_error("Upload failed.");
break;
}
}
// noinspection JSUnusedGlobalSymbols
function label_to_feed_id(label) {
return _label_base_index - 1 - Math.abs(label);
}
// noinspection JSUnusedGlobalSymbols
function feed_to_label_id(feed) {
return _label_base_index - 1 + Math.abs(feed);
}
// http://stackoverflow.com/questions/6251937/how-to-get-selecteduser-highlighted-text-in-contenteditable-element-and-replac
function getSelectionText() {
let text = "";
if (typeof window.getSelection != "undefined") {
const sel = window.getSelection();
if (sel.rangeCount) {
const container = document.createElement("div");
for (let i = 0, len = sel.rangeCount; i < len; ++i) {
container.appendChild(sel.getRangeAt(i).cloneContents());
}
text = container.innerHTML;
}
} else if (typeof document.selection != "undefined") {
if (document.selection.type == "Text") {
text = document.selection.createRange().textText;
}
}
return text.stripTags();
}
// noinspection JSUnusedGlobalSymbols
function popupOpenUrl(url) {
const w = window.open("");
w.opener = null;
w.location = url;
}
// noinspection JSUnusedGlobalSymbols
function popupOpenArticle(id) {
const w = window.open("",
"ttrss_article_popup",
"height=900,width=900,resizable=yes,status=no,location=no,menubar=no,directories=no,scrollbars=yes,toolbar=no");
w.opener = null;
w.location = "backend.php?op=article&method=view&mode=raw&html=1&zoom=1&id=" + id + "&csrf_token=" + getInitParam("csrf_token");
}