icingaweb2/public/js/icinga/loader.js

1334 lines
52 KiB
JavaScript

/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
/**
* Icinga.Loader
*
* This is where we take care of XHR requests, responses and failures.
*/
(function(Icinga, $) {
'use strict';
Icinga.Loader = function (icinga) {
/**
* YES, we need Icinga
*/
this.icinga = icinga;
/**
* Our base url
*/
this.baseUrl = icinga.config.baseUrl;
this.failureNotice = null;
/**
* Pending requests
*/
this.requests = {};
this.iconCache = {};
/**
* Whether auto-refresh is enabled
*/
this.autorefreshEnabled = true;
/**
* Whether auto-refresh is suspended due to visibility of page
*/
this.autorefreshSuspended = false;
};
Icinga.Loader.prototype = {
initialize: function () {
this.icinga.timer.register(this.autorefresh, this, 500);
},
submitForm: function ($form, $autoSubmittedBy, $button) {
var icinga = this.icinga;
var url = $form.attr('action');
var method = $form.attr('method');
var encoding = $form.attr('enctype');
var progressTimer;
var $target;
var data;
if (typeof method === 'undefined') {
method = 'POST';
} else {
method = method.toUpperCase();
}
if (typeof encoding === 'undefined') {
encoding = 'application/x-www-form-urlencoded';
}
if (typeof $autoSubmittedBy === 'undefined') {
$autoSubmittedBy = false;
}
if (typeof $button === 'undefined') {
$button = $('input[type=submit]:focus', $form).add('button[type=submit]:focus', $form);
}
if ($button.length === 0) {
$button = $('input[type=submit]', $form).add('button[type=submit]', $form).first();
}
if ($button.length) {
// Activate spinner
if ($button.hasClass('spinner')) {
$button.addClass('active');
}
$target = this.getLinkTargetFor($button);
} else {
$target = this.getLinkTargetFor($form);
}
if (! url) {
// Use the URL of the target container if the form's action is not set
url = $target.closest('.container').data('icinga-url');
}
icinga.logger.debug('Submitting form: ' + method + ' ' + url, method);
if (method === 'GET') {
var dataObj = $form.serializeObject();
if (! $autoSubmittedBy) {
if ($button.length && $button.attr('name') !== 'undefined') {
dataObj[$button.attr('name')] = $button.attr('value');
}
}
url = icinga.utils.addUrlParams(url, dataObj);
} else {
if (encoding === 'multipart/form-data') {
data = new window.FormData($form[0]);
} else {
data = $form.serializeArray();
}
if (! $autoSubmittedBy) {
if ($button.length && $button.attr('name') !== 'undefined') {
if (encoding === 'multipart/form-data') {
data.append($button.attr('name'), $button.attr('value'));
} else {
data.push({
name: $button.attr('name'),
value: $button.attr('value')
});
}
}
}
}
// Disable all form controls to prevent resubmission except for our search input
// Note that disabled form inputs will not be enabled via JavaScript again
if (! $form.is('[role="search"]') && $target.attr('id') === $form.closest('.container').attr('id')) {
$form.find('input:not(:disabled)').prop('disabled', true);
}
// Show a spinner depending on how the form is being submitted
if ($autoSubmittedBy && $autoSubmittedBy.siblings('.spinner').length) {
$autoSubmittedBy.siblings('.spinner').first().addClass('active');
} else if ($button.length && $button.is('button') && $button.hasClass('animated')) {
$button.addClass('active');
} else if ($button.length && $button.attr('data-progress-label')) {
var isInput = $button.is('input');
if (isInput) {
$button.prop('value', $button.attr('data-progress-label') + '...');
} else {
$button.html($button.attr('data-progress-label') + '...');
}
// Use a fixed width to prevent the button from wobbling
$button.css('width', $button.css('width'));
progressTimer = icinga.timer.register(function () {
var label = isInput ? $button.prop('value') : $button.html();
var dots = label.substr(-3);
// Using empty spaces here to prevent centered labels from wobbling
if (dots === '...') {
label = label.slice(0, -2) + ' ';
} else if (dots === '.. ') {
label = label.slice(0, -1) + '.';
} else if (dots === '. ') {
label = label.slice(0, -2) + '. ';
}
if (isInput) {
$button.prop('value', label);
} else {
$button.html(label);
}
}, null, 100);
} else if ($button.length && $button.next().hasClass('spinner')) {
$('i', $button.next()).addClass('active');
} else if ($form.attr('data-progress-element')) {
var $progressElement = $('#' + $form.attr('data-progress-element'));
if ($progressElement.length) {
if ($progressElement.hasClass('spinner')) {
$('i', $progressElement).addClass('active');
} else {
$('i.spinner', $progressElement).addClass('active');
}
}
}
var req = this.loadUrl(url, $target, data, method);
req.forceFocus = $autoSubmittedBy ? $autoSubmittedBy : $button.length ? $button : null;
req.autosubmit = !! $autoSubmittedBy;
req.addToHistory = method === 'GET';
req.progressTimer = progressTimer;
if ($autoSubmittedBy) {
if ($autoSubmittedBy.closest('.controls').length) {
$('.content', req.$target).addClass('impact');
} else {
req.$target.addClass('impact');
}
}
return req;
},
/**
* Load the given URL to the given target
*
* @param {string} url URL to be loaded
* @param {object} target Target jQuery element
* @param {object} data Optional parameters, usually for POST requests
* @param {string} method HTTP method, default is 'GET'
* @param {string} action How to handle the response ('replace' or 'append'), default is 'replace'
* @param {boolean} autorefresh Whether the cause is a autorefresh or not
* @param {object} progressTimer A timer to be stopped when the request is done
*/
loadUrl: function (url, $target, data, method, action, autorefresh, progressTimer) {
var id = null;
// Default method is GET
if ('undefined' === typeof method) {
method = 'GET';
}
if ('undefined' === typeof action) {
action = 'replace';
}
if ('undefined' === typeof autorefresh) {
autorefresh = false;
}
this.icinga.logger.debug('Loading ', url, ' to ', $target);
// We should do better and ignore requests without target and/or id
if (typeof $target !== 'undefined' && $target.attr('id')) {
id = $target.attr('id');
}
// If we have a pending request for the same target...
if (typeof this.requests[id] !== 'undefined') {
// ... ignore the new request if it is already pending with the same URL. Only abort GETs, as those
// are the only methods that are guaranteed to return the same value
if (this.requests[id].url === url && method === 'GET') {
if (autorefresh) {
return false;
}
this.icinga.logger.debug('Request to ', url, ' is already running for ', $target);
return this.requests[id];
}
// ...or abort the former request otherwise
this.icinga.logger.debug(
'Aborting pending request loading ',
url,
' to ',
$target
);
this.requests[id].abort();
}
// Not sure whether we need this Accept-header
var headers = { 'X-Icinga-Accept': 'text/html' };
if (!! id) {
headers['X-Icinga-Container'] = id;
}
if (autorefresh) {
headers['X-Icinga-Autorefresh'] = '1';
}
// Ask for a new window id in case we don't already have one
if (this.icinga.ui.hasWindowId()) {
var windowId = this.icinga.ui.getWindowId();
var containerId = this.icinga.ui.getUniqueContainerId($target);
if (containerId) {
windowId = windowId + '_' + containerId;
}
headers['X-Icinga-WindowId'] = windowId;
} else {
headers['X-Icinga-WindowId'] = 'undefined';
}
// This is jQuery's default content type
var contentType = 'application/x-www-form-urlencoded; charset=UTF-8';
var isFormData = typeof window.FormData !== 'undefined' && data instanceof window.FormData;
if (isFormData) {
// Setting false is mandatory as the form's data
// won't be recognized by the server otherwise
contentType = false;
}
var _this = this;
var req = $.ajax({
type : method,
url : url,
data : data,
headers: headers,
context: _this,
contentType: contentType,
processData: ! isFormData
});
req.$target = $target;
req.$redirectTarget = $target;
req.url = url;
req.done(this.onResponse);
req.fail(this.onFailure);
req.always(this.onComplete);
req.autorefresh = autorefresh;
req.autosubmit = false;
req.scripted = false;
req.method = method;
req.action = action;
req.addToHistory = true;
req.progressTimer = progressTimer;
if (url.match(/#/)) {
req.forceFocus = url.split(/#/)[1];
}
if (id) {
this.requests[id] = req;
}
if (! autorefresh) {
setTimeout(function () {
// The column may have not been shown before. To make the transition
// delay working we have to wait for the column getting rendered
if (! req.autosubmit && req.state() === 'pending') {
req.$target.addClass('impact');
}
}, 0);
}
this.icinga.ui.refreshDebug();
return req;
},
/**
* Create an URL relative to the Icinga base Url, still unused
*
* @param {string} url Relative url
*/
url: function (url) {
if (typeof url === 'undefined') {
return this.baseUrl;
}
return this.baseUrl + url;
},
stopPendingRequestsFor: function ($el) {
var id;
if (typeof $el === 'undefined' || ! (id = $el.attr('id'))) {
return;
}
if (typeof this.requests[id] !== 'undefined') {
this.requests[id].abort();
}
},
filterAutorefreshingContainers: function () {
return $(this).data('icingaRefresh') > 0 && ! $(this).is('[data-suspend-autorefresh]');
},
autorefresh: function () {
var _this = this;
$('.container').filter(this.filterAutorefreshingContainers).each(function (idx, el) {
var $el = $(el);
var id = $el.attr('id');
// Always request application-state
if (id !== 'application-state' && (! _this.autorefreshEnabled || _this.autorefreshSuspended)) {
// Continue
return true;
}
if (typeof _this.requests[id] !== 'undefined') {
_this.icinga.logger.debug('No refresh, request pending for ', id);
return;
}
var interval = $el.data('icingaRefresh');
var lastUpdate = $el.data('lastUpdate');
if (typeof interval === 'undefined' || ! interval) {
_this.icinga.logger.info('No interval, setting default', id);
interval = 10;
}
if (typeof lastUpdate === 'undefined' || ! lastUpdate) {
_this.icinga.logger.info('No lastUpdate, setting one', id);
$el.data('lastUpdate',(new Date()).getTime());
return;
}
interval = interval * 1000;
// TODO:
if ((lastUpdate + interval) > (new Date()).getTime()) {
// self.icinga.logger.info(
// 'Skipping refresh',
// id,
// lastUpdate,
// interval,
// (new Date()).getTime()
// );
return;
}
if (_this.loadUrl($el.data('icingaUrl'), $el, undefined, undefined, undefined, true) === false) {
_this.icinga.logger.debug(
'NOT autorefreshing ' + id + ', even if ' + interval + ' ms passed. Request pending?'
);
} else {
_this.icinga.logger.debug(
'Autorefreshing ' + id + ' ' + interval + ' ms passed'
);
}
el = null;
});
},
/**
* Disable the autorefresh mechanism
*/
disableAutorefresh: function () {
this.autorefreshEnabled = false;
},
/**
* Enable the autorefresh mechanism
*/
enableAutorefresh: function () {
this.autorefreshEnabled = true;
},
processNotificationHeader: function(req) {
var header = req.getResponseHeader('X-Icinga-Notification');
var _this = this;
if (! header) return false;
var list = header.split('&');
$.each(list, function(idx, el) {
var parts = decodeURIComponent(el).split(' ');
_this.createNotice(parts.shift(), parts.join(' '));
});
return true;
},
/**
* Add the specified flag to the given URL
*
* @param {string} url
* @param {string} flag
*
* @returns {string}
*
* @deprecated since version 2.8.0. Use {@link Icinga.Utils.addUrlFlag()} instead
*/
addUrlFlag: function(url, flag)
{
return this.icinga.utils.addUrlFlag(url, flag);
},
/**
* Process the X-Icinga-Redirect HTTP Response Header
*
* If the response includes the X-Icinga-Redirect header, redirects to the URL associated with the header.
*
* @param {object} req Current request
*
* @returns {boolean} Whether we're about to redirect
*/
processRedirectHeader: function(req) {
var icinga = this.icinga,
redirect = req.getResponseHeader('X-Icinga-Redirect');
if (! redirect) {
return false;
}
redirect = decodeURIComponent(redirect);
if (redirect.match(/__SELF__/)) {
if (req.autorefresh) {
// Redirect to the current window's URL in case it's an auto-refresh request. If authenticated
// externally this ensures seamless re-login if the session's expired
redirect = redirect.replace(
/__SELF__/,
encodeURIComponent(
document.location.pathname + document.location.search + document.location.hash
)
);
} else {
// Redirect to the URL which required authentication. When clicking a link this ensures that we
// redirect to the link's URL instead of the current window's URL (see above)
redirect = redirect.replace(/__SELF__/, req.url);
}
} else if (redirect.match(/__BACK__/)) {
if (req.$redirectTarget.is('#col1')) {
icinga.logger.warn('Cannot navigate back. Redirect target is #col1');
return false;
}
var originUrl = req.$target.data('icingaUrl');
$(window).on('popstate.__back__', { self: this }, function (event) {
var _this = event.data.self;
var $refreshTarget = $('#col2');
var refreshUrl;
var hash = icinga.history.getCol2State();
if (hash && hash.match(/^#!/)) {
// TODO: These three lines are copied from history.js, I don't like this
var parts = hash.split(/#!/);
if (parts[1] === originUrl) {
// After a page load a call to back() seems not to have an effect
icinga.ui.layout1col();
} else {
refreshUrl = parts[1];
}
}
if (typeof refreshUrl === 'undefined' && icinga.ui.isOneColLayout()) {
refreshUrl = icinga.history.getCol1State();
$refreshTarget = $('#col1');
}
// loadUrl won't run this request, as due to the history handling it's already running.
// The important bit though is that it returns this (already running) request. This way
// it's possible to set `scripted = true` on the request. (`addToHistory = true` should
// already be the case, though it's added again just in case it's not already `true`..)
var req = _this.loadUrl(refreshUrl, $refreshTarget);
req.addToHistory = false;
req.scripted = true;
setTimeout(function () {
// TODO: Find a better solution than a hardcoded one
// This is still the *cheat* to get live results
// (in case there's a delay and a change is not instantly effective)
var req = _this.loadUrl(refreshUrl, $refreshTarget);
req.addToHistory = false;
req.scripted = true;
}, 1000);
$(window).off('popstate.__back__');
});
// Navigate back, no redirect desired
window.history.back();
return true;
} else if (redirect.match(/__CLOSE__/)) {
if (req.$redirectTarget.is('#col1')) {
icinga.logger.warn('Cannot close #col1');
return false;
}
// Close right column as requested
icinga.ui.layout1col();
// Refresh left column and produce a new history state for it
var $col1 = $('#col1');
var col1Url = icinga.history.getCol1State();
var refresh = this.loadUrl(col1Url, $col1);
refresh.scripted = true;
var _this = this;
setTimeout(function () {
// TODO: Find a better solution than a hardcoded one
// This is still the *cheat* to get live results
// (in case there's a delay and a change is not instantly effective)
var secondRefresh = _this.loadUrl(col1Url, $col1);
if (secondRefresh !== refresh) {
// Only change these properties if it's not still the first refresh
secondRefresh.addToHistory = false;
secondRefresh.scripted = true;
}
}, 1000);
return true;
}
var useHttp = req.getResponseHeader('X-Icinga-Redirect-Http');
if (useHttp === 'yes') {
window.location.replace(redirect);
return true;
}
this.redirectToUrl(redirect, req.$redirectTarget, req);
return true;
},
/**
* Redirect to the given url
*
* @param {string} url
* @param {object} $target
* @param {XMLHttpRequest} referrer
*/
redirectToUrl: function (url, $target, referrer) {
var icinga = this.icinga,
rerenderLayout,
autoRefreshInterval,
forceFocus,
origin;
if (typeof referrer !== 'undefined') {
rerenderLayout = referrer.getResponseHeader('X-Icinga-Rerender-Layout');
autoRefreshInterval = referrer.autoRefreshInterval;
forceFocus = referrer.forceFocus;
origin = referrer.url;
}
icinga.logger.debug(
'Got redirect for ', $target, ', URL was ' + url
);
if (rerenderLayout) {
var parts = url.split(/#!/);
url = parts.shift();
var redirectionUrl = icinga.utils.addUrlFlag(url, 'renderLayout');
var r = this.loadUrl(redirectionUrl, $('#layout'));
r.historyUrl = url;
if (parts.length) {
r.loadNext = parts;
} else if (!! document.location.hash) {
// Retain detail URL if the layout is rerendered
parts = document.location.hash.split('#!').splice(1);
if (parts.length) {
r.loadNext = $.grep(parts, function (url) {
if (url !== origin) {
icinga.logger.debug('Retaining detail url ' + url);
return true;
}
icinga.logger.debug('Discarding detail url ' + url + ' as it\'s the origin of the redirect');
return false;
});
}
}
} else {
if (url.match(/#!/)) {
var parts = url.split(/#!/);
icinga.ui.layout2col();
this.loadUrl(parts.shift(), $('#col1'));
this.loadUrl(parts.shift(), $('#col2'));
} else {
if ($target.attr('id') === 'col2') { // TODO: multicol
if ($('#col1').data('icingaUrl').split('?')[0] === url.split('?')[0]) {
icinga.ui.layout1col();
$target = $('#col1');
delete(this.requests['col2']);
}
}
var req = this.loadUrl(url, $target);
req.forceFocus = url === origin ? forceFocus : null;
req.autoRefreshInterval = autoRefreshInterval;
req.referrer = referrer;
}
}
},
/**
* Handle successful XHR response
*/
onResponse: function (data, textStatus, req) {
var _this = this;
if (this.failureNotice !== null) {
if (! this.failureNotice.hasClass('fading-out')) {
this.failureNotice.remove();
}
this.failureNotice = null;
}
var target = req.getResponseHeader('X-Icinga-Container');
var newBody = false;
var oldNotifications = false;
if (target) {
if (target === 'ignore') {
return;
}
var $newTarget = this.identifyLinkTarget(target, req.$target);
if ($newTarget.length) {
// If we change the target, oncomplete will fail to clean up
// This fixes the problem, not using req.$target would be better
delete this.requests[req.$target.attr('id')];
req.$target = $newTarget;
req.$redirectTarget = $newTarget;
if (target === 'layout') {
oldNotifications = $('#notifications li').detach();
this.icinga.ui.layout1col();
newBody = true;
}
}
}
if (req.autorefresh && req.$target.is('[data-suspend-autorefresh]')) {
return;
}
this.icinga.logger.debug(
'Got response for ', req.$target, ', URL was ' + req.url
);
this.processNotificationHeader(req);
var cssreload = req.getResponseHeader('X-Icinga-Reload-Css');
if (cssreload) {
this.icinga.ui.reloadCss();
}
if (req.getResponseHeader('X-Icinga-Redirect')) {
return;
}
if (req.getResponseHeader('X-Icinga-Announcements') === 'refresh') {
_this.loadUrl(_this.url('/layout/announcements'), $('#announcements'));
}
var rendered = false;
var classes;
if (target !== 'layout') {
var moduleName = req.getResponseHeader('X-Icinga-Module');
classes = $.grep(req.$target.classes(), function (el) {
if (el === 'icinga-module' || el.match(/^module\-/)) {
return false;
}
return true;
});
if (moduleName) {
// Lazy load module javascript (Applies only to module.js code)
if (_this.icinga.hasModule(moduleName) && ! _this.icinga.isLoadedModule(moduleName)) {
_this.icinga.loadModule(moduleName);
}
req.$target.data('icingaModule', moduleName);
classes.push('icinga-module');
classes.push('module-' + moduleName);
} else {
req.$target.removeData('icingaModule');
if (req.$target.attr('data-icinga-module')) {
req.$target.removeAttr('data-icinga-module');
}
}
req.$target.attr('class', classes.join(' '));
var refresh = req.autoRefreshInterval || req.getResponseHeader('X-Icinga-Refresh');
if (refresh) {
req.$target.data('icingaRefresh', refresh);
} else {
req.$target.removeData('icingaRefresh');
if (req.$target.attr('data-icinga-refresh')) {
req.$target.removeAttr('data-icinga-refresh');
}
}
}
var title = req.getResponseHeader('X-Icinga-Title');
if (title && (target === 'layout' || req.$target.is('#layout'))) {
this.icinga.ui.setTitle(decodeURIComponent(title));
} else if (title && ! req.autorefresh && req.$target.closest('.dashboard').length === 0) {
req.$target.data('icingaTitle', decodeURIComponent(title));
}
// Set a window identifier if the server asks us to do so
var windowId = req.getResponseHeader('X-Icinga-WindowId');
if (windowId) {
this.icinga.ui.setWindowId(windowId);
}
// Handle search requests, still hardcoded.
if (req.url.match(/^\/search/) && req.$target.data('icingaUrl').match(/^\/search/)) {
var $resp = $('<div>' + req.responseText + '</div>'); // div helps getting an XML tree
if ($('.dashboard', $resp).length > 0 && $('.dashboard .container', req.$target).length > 0) {
// TODO: We need dashboard pane and container identifiers (not ids)
var targets = [];
$('.dashboard .container', req.$target).each(function (idx, el) {
targets.push($(el));
});
var i = 0;
// Searching for '.dashboard .container' in $resp doesn't dork?!
$('.dashboard .container', $resp).each(function (idx, el) {
var $el = $(el);
if ($el.hasClass('dashboard')) {
return;
}
var url = $el.data('icingaUrl');
targets[i].data('icingaUrl', url);
var title = $('h1', $el).first();
$('h1', targets[i]).first().replaceWith(title);
_this.loadUrl(url, targets[i]);
i++;
});
rendered = true;
}
}
var referrer = req.referrer;
if (typeof referrer === 'undefined') {
referrer = req;
}
var autoSubmit = false;
if (referrer.method === 'POST') {
var newUrl = this.icinga.utils.parseUrl(req.url);
var currentUrl = this.icinga.utils.parseUrl(req.$target.data('icingaUrl'));
if (newUrl.path === currentUrl.path && this.icinga.utils.arraysEqual(newUrl.params, currentUrl.params)) {
autoSubmit = true;
}
}
req.$target.data('icingaUrl', req.url);
if (rendered) {
return;
}
if (typeof req.progressTimer !== 'undefined') {
this.icinga.timer.unregister(req.progressTimer);
}
var contentSeparator = req.getResponseHeader('X-Icinga-Multipart-Content');
if (!! contentSeparator) {
var locationQuery = req.getResponseHeader('X-Icinga-Location-Query');
if (locationQuery !== null) {
var a = this.icinga.utils.getUrlHelper().cloneNode(true);
a.search = locationQuery ? '?' + locationQuery : '';
if (req.autosubmit || autoSubmit) {
// Also update a form's action if it doesn't differ from the container's url
var $form = $(referrer.forceFocus).closest('form');
var formAction = $form.attr('action');
if (!! formAction) {
formAction = this.icinga.utils.parseUrl(formAction);
if (formAction.path === currentUrl.path
&& this.icinga.utils.arraysEqual(formAction.params, currentUrl.params)
) {
$form.attr('action', a.href);
}
}
}
req.$target.data('icingaUrl', a.href);
this.icinga.history.replaceCurrentState();
}
$.each(req.responseText.split(contentSeparator), function (idx, el) {
var match = el.match(/for=(Behavior:)?(\S+)\s+([^]*)/m);
if (!! match) {
if (match[1]) {
var behavior = _this.icinga.behaviors[match[2].toLowerCase()];
if (typeof behavior !== 'undefined' && typeof behavior.update === 'function') {
behavior.update(JSON.parse(match[3]));
} else {
_this.icinga.logger.warn(
'Invalid behavior. Cannot update behavior "' + match[2] + '"');
}
} else {
var $target = $('#' + match[2]);
if ($target.length) {
var forceFocus;
if (req.forceFocus
&& typeof req.forceFocus.jquery !== 'undefined'
&& $.contains($target[0], req.forceFocus[0])
) {
forceFocus = req.forceFocus;
}
_this.renderContentToContainer(
match[3],
$target,
'replace',
req.autorefresh,
forceFocus,
req.autosubmit || autoSubmit,
req.scripted
);
} else {
_this.icinga.logger.warn(
'Invalid target ID. Cannot render multipart to #' + match[2]);
}
}
} else {
_this.icinga.logger.error('Ill-formed multipart', el);
}
})
} else {
this.renderContentToContainer(
req.responseText,
req.$target,
req.action,
req.autorefresh,
req.forceFocus,
req.autosubmit || autoSubmit,
req.scripted
);
}
if (oldNotifications) {
oldNotifications.appendTo($('#notifications'));
}
if (newBody) {
this.icinga.ui.fixDebugVisibility().triggerWindowResize();
}
},
/**
* Regardless of whether a request succeeded of failed, clean up
*/
onComplete: function (dataOrReq, textStatus, reqOrError) {
var _this = this;
var req;
if (typeof dataOrReq === 'object') {
req = dataOrReq;
} else {
req = reqOrError;
}
// Remove 'impact' class if there was such
if (req.$target.hasClass('impact')) {
req.$target.removeClass('impact');
} else {
var $impact = req.$target.find('.impact').first();
if ($impact.length) {
$impact.removeClass('impact');
}
}
if (! req.autorefresh && ! req.autosubmit) {
// TODO: Hook for response/url?
var url = req.url;
if (req.$target[0].id === 'col1') {
this.icinga.behaviors.navigation.trySetActiveAndSelectedByUrl(url);
}
var $forms = $('[action="' + this.icinga.utils.parseUrl(url).path + '"]');
var $matches = $.merge($('[href="' + url + '"]'), $forms);
$matches.each(function (idx, el) {
var $el = $(el);
if ($el.closest('#menu').length) {
if ($el.is('form')) {
$('input', $el).addClass('active');
}
// Interrupt .each, only one menu item shall be active
return false;
}
});
}
// Update history when necessary
if (! req.autorefresh && req.addToHistory) {
if (req.$target.hasClass('container')) {
// We only want to care about top-level containers
if (req.$target.parent().closest('.container').length === 0) {
this.icinga.history.pushCurrentState();
}
} else {
// Request wasn't for a container, so it's usually the body
// or the full layout. Push request URL to history:
var url = typeof req.historyUrl !== 'undefined' ? req.historyUrl : req.url;
this.icinga.history.pushUrl(url);
}
}
req.$target.data('lastUpdate', (new Date()).getTime());
delete this.requests[req.$target.attr('id')];
this.icinga.ui.fadeNotificationsAway();
var extraUpdates = req.getResponseHeader('X-Icinga-Extra-Updates');
if (!! extraUpdates && req.getResponseHeader('X-Icinga-Redirect-Http') !== 'yes') {
$.each(extraUpdates.split(','), function (idx, el) {
var parts = el.trim().split(';');
var $target;
var url;
if (parts.length === 2) {
$target = $('#' + parts[0]);
if (! $target.length) {
_this.icinga.logger.warn('Invalid target ID. Cannot load extra URL', el);
return;
}
url = parts[1];
} else if (parts.length === 1) {
$target = $(parts[0]).closest(".container").not(req.$target);
if (! $target.length) {
_this.icinga.logger.warn('Invalid target ID. Cannot load extra URL', el);
return;
}
url = $target.data('icingaUrl');
} else {
_this.icinga.logger.error('Invalid extra update', el);
return;
}
_this.loadUrl(url, $target).addToHistory = false;
});
}
if (this.processRedirectHeader(req)) {
return;
}
if (typeof req.loadNext !== 'undefined' && req.loadNext.length) {
if ($('#col2').length) {
var r = this.loadUrl(req.loadNext[0], $('#col2'));
r.addToHistory = req.addToHistory;
this.icinga.ui.layout2col();
} else {
this.icinga.logger.error('Failed to load URL for #col2', req.loadNext);
}
}
req.$target.find('.container').each(function () {
// Lazy load module javascript (Applies only to module.js code)
var moduleName = $(this).data('icingaModule');
if (_this.icinga.hasModule(moduleName) && ! _this.icinga.isLoadedModule(moduleName)) {
_this.icinga.loadModule(moduleName);
}
$(this).trigger('rendered', [req.autorefresh, req.scripted, req.autosubmit]);
});
req.$target.trigger('rendered', [req.autorefresh, req.scripted, req.autosubmit]);
this.icinga.ui.refreshDebug();
},
/**
* Handle failed XHR response
*/
onFailure: function (req, textStatus, errorThrown) {
var url = req.url;
/*
* Test if a manual actions comes in and autorefresh is active: Stop refreshing
*/
if (req.addToHistory && ! req.autorefresh) {
req.$target.data('icingaRefresh', 0);
req.$target.data('icingaUrl', url);
icinga.history.pushCurrentState();
}
if (typeof req.progressTimer !== 'undefined') {
this.icinga.timer.unregister(req.progressTimer);
}
if (req.status > 0 && req.status < 501) {
this.icinga.logger.error(
req.status,
errorThrown + ':',
$(req.responseText).text().replace(/\s+/g, ' ').slice(0, 100)
);
this.renderContentToContainer(
req.responseText,
req.$target,
req.action,
req.autorefresh,
undefined,
req.autosubmit,
req.scripted
);
} else {
if (errorThrown === 'abort') {
this.icinga.logger.debug(
'Request to ' + url + ' has been aborted for ',
req.$target
);
// Aborted requests should not be added to browser history
req.addToHistory = false;
} else {
if (this.failureNotice === null) {
var now = new Date();
var padString = this.icinga.utils.padString;
this.failureNotice = this.createNotice(
'error',
'The connection to the Icinga web server was lost at '
+ now.getFullYear()
+ '-' + padString(now.getMonth() + 1, 0, 2)
+ '-' + padString(now.getDate(), 0, 2)
+ ' ' + padString(now.getHours(), 0, 2)
+ ':' + padString(now.getMinutes(), 0, 2)
+ '.',
true
);
}
this.icinga.logger.error(
'Failed to contact web server loading ',
url,
' for ',
req.$target
);
}
}
},
/**
* Create a notification. Can be improved.
*/
createNotice: function (severity, message, persist) {
var c = severity;
if (persist) {
c += ' persist';
}
var $notice = $(
'<li class="' + c + '">' + this.icinga.utils.escape(message) + '</li>'
).appendTo($('#notifications'));
if (!persist) {
this.icinga.ui.fadeNotificationsAway();
}
return $notice;
},
/**
* Detect the link/form target for a given element (link, form, whatever)
*
* @param {object} $el jQuery set with the element
* @param {boolean} prepare Pass `false` to disable column preparation
*/
getLinkTargetFor: function($el, prepare)
{
if (typeof prepare === 'undefined') {
prepare = true;
}
// If everything else fails, our target is the first column...
var $target = $('#col1');
// ...but usually we will use our own container...
var $container = $el.closest('.container');
if ($container.length) {
$target = $container;
}
// You can of course override the default behaviour:
if ($el.closest('[data-base-target]').length) {
var targetId = $el.closest('[data-base-target]').data('baseTarget');
$target = this.identifyLinkTarget(targetId, $el);
if (! $target.length) {
this.icinga.logger.warn('Link target "#' + targetId + '" does not exist in DOM.');
}
}
if (prepare) {
this.icinga.ui.prepareColumnFor($el, $target);
}
return $target;
},
/**
* Identify link target by the given id
*
* The id may also be one of the column aliases: `_next`, `_self` and `_main`
*
* @param {string} id
* @param {object} $of
* @return {object}
*/
identifyLinkTarget: function (id, $of) {
var $target;
if (id === '_next') {
if (this.icinga.ui.hasOnlyOneColumn()) {
$target = $('#col1');
} else {
$target = $('#col2');
}
} else if (id === '_self') {
$target = $of.closest('.container');
} else if (id === '_main') {
$target = $('#col1');
} else {
$target = $('#' + id);
}
return $target;
},
/**
* Smoothly render given HTML to given container
*/
renderContentToContainer: function (content, $container, action, autorefresh, forceFocus, autoSubmit, scripted) {
// Container update happens here
var scrollPos = false;
var _this = this;
var containerId = $container.attr('id');
var activeElementPath = false;
var navigationAnchor = false;
var focusFallback = false;
if (forceFocus && forceFocus.length) {
if (typeof forceFocus === 'string') {
navigationAnchor = forceFocus;
} else {
activeElementPath = this.icinga.utils.getCSSPath($(forceFocus));
}
} else if (document.activeElement && document.activeElement.id === 'search') {
activeElementPath = '#search';
} else if (document.activeElement
&& document.activeElement !== document.body
&& $.contains($container[0], document.activeElement)
) {
// Active element in container
var $activeElement = $(document.activeElement);
var $pagination = $activeElement.closest('.pagination-control');
if ($pagination.length) {
focusFallback = {
'parent': this.icinga.utils.getCSSPath($pagination),
'child': '.active > a'
};
}
activeElementPath = this.icinga.utils.getCSSPath($activeElement);
}
var scrollTarget = $container;
if (typeof containerId !== 'undefined') {
if (autorefresh || autoSubmit) {
if ($container.css('display') === 'flex' && $container.is('.container')) {
var $scrollableContent = $container.children('.content');
scrollPos = $scrollableContent.scrollTop();
scrollTarget = _this.icinga.utils.getCSSPath($scrollableContent);
} else {
scrollPos = $container.scrollTop();
}
} else {
scrollPos = 0;
}
}
$container.trigger('beforerender', [content, action, autorefresh, scripted, autoSubmit]);
var discard = false;
$.each(_this.icinga.behaviors, function(name, behavior) {
if (behavior.renderHook) {
var changed = behavior.renderHook(content, $container, action, autorefresh, autoSubmit);
if (changed === null) {
discard = true;
} else {
content = changed;
}
}
});
$('.container', $container).each(function() {
_this.stopPendingRequestsFor($(this));
});
if (! discard) {
if ($container.closest('.dashboard').length) {
var title = $('h1', $container).first().detach();
$container.html(title).append(content);
} else if (action === 'replace') {
$container.html(content);
} else {
$container.append(content);
}
}
this.icinga.ui.assignUniqueContainerIds();
if (! discard && navigationAnchor) {
setTimeout(this.icinga.ui.focusElement.bind(this.icinga.ui), 0, navigationAnchor, $container);
} else if (! activeElementPath) {
// Active element was not in this container
if (! autorefresh && ! autoSubmit && ! scripted) {
setTimeout(function() {
if (typeof $container.attr('tabindex') === 'undefined') {
$container.attr('tabindex', -1);
}
// Do not touch focus in case a module or component already placed it
if ($(document.activeElement).closest('.container').attr('id') !== containerId) {
_this.icinga.ui.focusElement($container);
}
}, 0);
}
} else {
setTimeout(function() {
var $activeElement = $(activeElementPath);
if ($activeElement.length && $activeElement.is(':visible')) {
$activeElement[0].focus({preventScroll: autorefresh || autoSubmit});
} else if (! autorefresh && ! autoSubmit && ! scripted) {
if (focusFallback) {
_this.icinga.ui.focusElement($(focusFallback.parent).find(focusFallback.child));
} else if (typeof $container.attr('tabindex') === 'undefined') {
$container.attr('tabindex', -1);
}
_this.icinga.ui.focusElement($container);
}
}, 0);
}
if (scrollPos !== false) {
var $scrollTarget = $(scrollTarget);
$scrollTarget.scrollTop(scrollPos);
// Fallback for browsers without support for focus({preventScroll: true})
setTimeout(function () {
if ($scrollTarget.scrollTop() !== scrollPos) {
$scrollTarget.scrollTop(scrollPos);
}
}, 0);
}
// Re-enable all click events (disabled as of performance reasons)
// $('*').off('click');
},
/**
* On shutdown we kill all pending requests
*/
destroy: function() {
$.each(this.requests, function(id, request) {
request.abort();
});
this.icinga = null;
this.requests = {};
}
};
}(Icinga, jQuery));