534 lines
14 KiB
JavaScript
534 lines
14 KiB
JavaScript
'use strict'
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/* global __, ngettext */
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define(["dojo/_base/declare"], function (declare) {
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return declare("fox.AppBase", null, {
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_initParams: [],
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_rpc_seq: 0,
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hotkey_prefix: 0,
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hotkey_prefix_pressed: false,
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hotkey_prefix_timeout: 0,
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Scrollable: {
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scrollByPages: function (elem, page_offset, event) {
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if (!elem) return;
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/* keep a line or so from the previous page */
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const offset = (elem.offsetHeight - (page_offset > 0 ? 50 : -50)) * page_offset;
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this.scroll(elem, offset, event);
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},
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scroll: function(elem, offset, event) {
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if (!elem) return;
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if (event && event.repeat) {
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elem.addClassName("forbid-smooth-scroll");
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window.clearTimeout(this._scroll_reset_timeout);
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this._scroll_reset_timeout = window.setTimeout(() => {
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if (elem) elem.removeClassName("forbid-smooth-scroll");
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}, 250)
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} else {
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elem.removeClassName("forbid-smooth-scroll");
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}
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elem.scrollTop += offset;
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},
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isChildVisible: function(elem, ctr) {
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if (!elem) return;
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const ctop = ctr.scrollTop;
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const cbottom = ctop + ctr.offsetHeight;
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const etop = elem.offsetTop;
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const ebottom = etop + elem.offsetHeight;
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return etop >= ctop && ebottom <= cbottom ||
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etop < ctop && ebottom > ctop || ebottom > cbottom && etop < cbottom;
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},
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},
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constructor: function() {
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window.onerror = this.Error.onWindowError;
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},
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getInitParam: function(k) {
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return this._initParams[k];
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},
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setInitParam: function(k, v) {
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this._initParams[k] = v;
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},
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nightModeChanged: function(is_night, link) {
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console.log("night mode changed to", is_night);
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if (link) {
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const css_override = is_night ? "themes/night.css" : "themes/light.css";
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link.setAttribute("href", css_override + "?" + Date.now());
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}
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},
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setupNightModeDetection: function(callback) {
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if (!$("theme_css")) {
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const mql = window.matchMedia('(prefers-color-scheme: dark)');
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try {
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mql.addEventListener("change", () => {
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this.nightModeChanged(mql.matches, $("theme_auto_css"));
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});
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} catch (e) {
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console.warn("exception while trying to set MQL event listener");
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}
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const link = new Element("link", {
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rel: "stylesheet",
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id: "theme_auto_css"
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});
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if (callback) {
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link.onload = function () {
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document.querySelector("body").removeClassName("css_loading");
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callback();
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};
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link.onerror = function(event) {
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alert("Fatal error while loading application stylesheet: " + link.getAttribute("href"));
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}
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}
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this.nightModeChanged(mql.matches, link);
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document.querySelector("head").appendChild(link);
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} else {
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document.querySelector("body").removeClassName("css_loading");
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if (callback) callback();
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}
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},
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enableCsrfSupport: function() {
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Ajax.Base.prototype.initialize = Ajax.Base.prototype.initialize.wrap(
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function (callOriginal, options) {
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if (App.getInitParam("csrf_token") != undefined) {
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Object.extend(options, options || { });
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if (Object.isString(options.parameters))
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options.parameters = options.parameters.toQueryParams();
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else if (Object.isHash(options.parameters))
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options.parameters = options.parameters.toObject();
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options.parameters["csrf_token"] = App.getInitParam("csrf_token");
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}
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return callOriginal(options);
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}
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);
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},
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urlParam: function(param) {
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return String(window.location.href).parseQuery()[param];
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},
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next_seq: function() {
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this._rpc_seq += 1;
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return this._rpc_seq;
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},
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get_seq: function() {
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return this._rpc_seq;
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},
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setLoadingProgress: function(p) {
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loading_progress += p;
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if (dijit.byId("loading_bar"))
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dijit.byId("loading_bar").update({progress: loading_progress});
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if (loading_progress >= 90) {
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$("overlay").hide();
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}
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},
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keyeventToAction: function(event) {
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const hotkeys_map = App.getInitParam("hotkeys");
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const keycode = event.which;
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const keychar = String.fromCharCode(keycode);
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if (keycode == 27) { // escape and drop prefix
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this.hotkey_prefix = false;
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}
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if (!this.hotkey_prefix && hotkeys_map[0].indexOf(keychar) != -1) {
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this.hotkey_prefix = keychar;
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$("cmdline").innerHTML = keychar;
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Element.show("cmdline");
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window.clearTimeout(this.hotkey_prefix_timeout);
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this.hotkey_prefix_timeout = window.setTimeout(() => {
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this.hotkey_prefix = false;
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Element.hide("cmdline");
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}, 3 * 1000);
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event.stopPropagation();
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return false;
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}
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Element.hide("cmdline");
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let hotkey_name = "";
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if (event.type == "keydown") {
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hotkey_name = "(" + keycode + ")";
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// ensure ^*char notation
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if (event.shiftKey) hotkey_name = "*" + hotkey_name;
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if (event.ctrlKey) hotkey_name = "^" + hotkey_name;
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if (event.altKey) hotkey_name = "+" + hotkey_name;
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if (event.metaKey) hotkey_name = "%" + hotkey_name;
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} else {
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hotkey_name = keychar ? keychar : "(" + keycode + ")";
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}
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const hotkey_full = this.hotkey_prefix ? this.hotkey_prefix + " " + hotkey_name : hotkey_name;
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this.hotkey_prefix = false;
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let action_name = false;
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for (const sequence in hotkeys_map[1]) {
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if (hotkeys_map[1].hasOwnProperty(sequence)) {
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if (sequence == hotkey_full) {
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action_name = hotkeys_map[1][sequence];
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break;
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}
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}
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}
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console.log('keyeventToAction', hotkey_full, '=>', action_name);
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return action_name;
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},
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cleanupMemory: function(root) {
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const dijits = dojo.query("[widgetid]", dijit.byId(root).domNode).map(dijit.byNode);
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dijits.each(function (d) {
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dojo.destroy(d.domNode);
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});
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$$("#" + root + " *").each(function (i) {
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i.parentNode ? i.parentNode.removeChild(i) : true;
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});
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},
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helpDialog: function(topic) {
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const query = "backend.php?op=backend&method=help&topic=" + encodeURIComponent(topic);
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if (dijit.byId("helpDlg"))
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dijit.byId("helpDlg").destroyRecursive();
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const dialog = new dijit.Dialog({
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id: "helpDlg",
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title: __("Help"),
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style: "width: 600px",
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href: query,
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});
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dialog.show();
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},
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displayDlg: function(title, id, param, callback) {
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Notify.progress("Loading, please wait...", true);
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const query = {op: "dlg", method: id, param: param};
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xhrPost("backend.php", query, (transport) => {
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try {
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const content = transport.responseText;
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let dialog = dijit.byId("infoBox");
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if (!dialog) {
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dialog = new dijit.Dialog({
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title: title,
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id: 'infoBox',
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style: "width: 600px",
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onCancel: function () {
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return true;
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},
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onExecute: function () {
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return true;
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},
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onClose: function () {
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return true;
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},
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content: content
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});
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} else {
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dialog.attr('title', title);
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dialog.attr('content', content);
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}
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dialog.show();
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Notify.close();
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if (callback) callback(transport);
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} catch (e) {
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this.Error.report(e);
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}
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});
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return false;
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},
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handleRpcJson: function(transport) {
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const netalert = $$("#toolbar .net-alert")[0];
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try {
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const reply = JSON.parse(transport.responseText);
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if (reply) {
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const error = reply['error'];
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if (error) {
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const code = error['code'];
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const msg = error['message'];
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console.warn("[handleRpcJson] received fatal error ", code, msg);
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if (code != 0) {
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/* global ERRORS */
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this.Error.fatal(ERRORS[code], {info: msg, code: code});
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return false;
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}
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}
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const seq = reply['seq'];
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if (seq && this.get_seq() != seq) {
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console.log("[handleRpcJson] sequence mismatch: ", seq, '!=', this.get_seq());
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return true;
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}
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const message = reply['message'];
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if (message == "UPDATE_COUNTERS") {
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console.log("need to refresh counters...");
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Feeds.requestCounters(true);
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}
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const counters = reply['counters'];
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if (counters)
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Feeds.parseCounters(counters);
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const runtime_info = reply['runtime-info'];
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if (runtime_info)
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App.parseRuntimeInfo(runtime_info);
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if (netalert) netalert.hide();
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return reply;
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} else {
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if (netalert) netalert.show();
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Notify.error("Communication problem with server.");
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}
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} catch (e) {
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if (netalert) netalert.show();
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Notify.error("Communication problem with server.");
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console.error(e);
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}
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return false;
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},
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parseRuntimeInfo: function(data) {
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for (const k in data) {
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if (data.hasOwnProperty(k)) {
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const v = data[k];
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console.log("RI:", k, "=>", v);
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if (k == "daemon_is_running" && v != 1) {
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Notify.error("<span onclick=\"App.explainError(1)\">Update daemon is not running.</span>", true);
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return;
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}
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if (k == "recent_log_events") {
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const alert = $$(".log-alert")[0];
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if (alert) {
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v > 0 ? alert.show() : alert.hide();
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}
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}
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if (k == "daemon_stamp_ok" && v != 1) {
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Notify.error("<span onclick=\"App.explainError(3)\">Update daemon is not updating feeds.</span>", true);
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return;
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}
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if (k == "max_feed_id" || k == "num_feeds") {
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if (App.getInitParam(k) != v) {
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console.log("feed count changed, need to reload feedlist.");
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Feeds.reload();
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}
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}
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this.setInitParam(k, v);
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}
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}
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PluginHost.run(PluginHost.HOOK_RUNTIME_INFO_LOADED, data);
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},
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backendSanityCallback: function (transport) {
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const reply = JSON.parse(transport.responseText);
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/* global ERRORS */
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if (!reply) {
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this.Error.fatal(ERRORS[3], {info: transport.responseText});
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return;
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}
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if (reply['error']) {
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const code = reply['error']['code'];
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if (code && code != 0) {
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return this.Error.fatal(ERRORS[code],
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{code: code, info: reply['error']['message']});
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}
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}
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console.log("sanity check ok");
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const params = reply['init-params'];
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if (params) {
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console.log('reading init-params...');
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for (const k in params) {
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if (params.hasOwnProperty(k)) {
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switch (k) {
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case "label_base_index":
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LABEL_BASE_INDEX = parseInt(params[k]);
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break;
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case "cdm_auto_catchup":
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if (params[k] == 1) {
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const hl = $("headlines-frame");
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if (hl) hl.addClassName("auto_catchup");
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}
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break;
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case "hotkeys":
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// filter mnemonic definitions (used for help panel) from hotkeys map
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// i.e. *(191)|Ctrl-/ -> *(191)
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const tmp = [];
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for (const sequence in params[k][1]) {
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if (params[k][1].hasOwnProperty(sequence)) {
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const filtered = sequence.replace(/\|.*$/, "");
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tmp[filtered] = params[k][1][sequence];
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}
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}
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params[k][1] = tmp;
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break;
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}
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console.log("IP:", k, "=>", params[k]);
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this.setInitParam(k, params[k]);
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}
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}
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// PluginHost might not be available on non-index pages
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if (typeof PluginHost !== 'undefined')
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PluginHost.run(PluginHost.HOOK_PARAMS_LOADED, App._initParams);
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}
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this.initSecondStage();
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},
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explainError: function(code) {
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return this.displayDlg(__("Error explained"), "explainError", code);
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},
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Error: {
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fatal: function (error, params) {
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params = params || {};
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if (params.code) {
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if (params.code == 6) {
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window.location.href = "index.php";
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return;
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} else if (params.code == 5) {
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window.location.href = "public.php?op=dbupdate";
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return;
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}
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}
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return this.report(error,
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Object.extend({title: __("Fatal error")}, params));
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},
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report: function(error, params) {
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params = params || {};
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if (!error) return;
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console.error("[Error.report]", error, params);
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const message = params.message ? params.message : error.toString();
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try {
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xhrPost("backend.php",
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{op: "rpc", method: "log",
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file: params.filename ? params.filename : error.fileName,
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line: params.lineno ? params.lineno : error.lineNumber,
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msg: message,
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context: error.stack},
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(transport) => {
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console.warn("[Error.report] log response", transport.responseText);
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});
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} catch (re) {
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console.error("[Error.report] exception while saving logging error on server", re);
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}
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try {
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if (dijit.byId("exceptionDlg"))
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dijit.byId("exceptionDlg").destroyRecursive();
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let stack_msg = "";
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if (error.stack)
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stack_msg += `<div><b>Stack trace:</b></div>
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<textarea name="stack" readonly="1">${error.stack}</textarea>`;
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if (params.info)
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stack_msg += `<div><b>Additional information:</b></div>
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<textarea name="stack" readonly="1">${params.info}</textarea>`;
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let content = `<div class="error-contents">
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<p class="message">${message}</p>
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${stack_msg}
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<div class="dlgButtons">
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<button dojoType="dijit.form.Button"
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onclick=\"dijit.byId('exceptionDlg').hide()">${__('Close this window')}</button>
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</div>
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</div>`;
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const dialog = new dijit.Dialog({
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id: "exceptionDlg",
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title: params.title || __("Unhandled exception"),
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style: "width: 600px",
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content: content
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});
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dialog.show();
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} catch (de) {
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console.error("[Error.report] exception while showing error dialog", de);
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alert(error.stack ? error.stack : message);
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}
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},
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onWindowError: function (message, filename, lineno, colno, error) {
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// called without context (this) from window.onerror
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App.Error.report(error,
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{message: message, filename: filename, lineno: lineno, colno: colno});
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},
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}
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});
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});
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