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// refs 16504: copied from bootstrap3 to set an overlay, see below - GG
/*global grecaptcha, recaptchaOnLoad, resetCaptcha, VuFind */
VuFind.register('lightbox', function Lightbox() {
// State
var _originalUrl = false;
var _currentUrl = false;
var _lightboxTitle = '';
var refreshOnClose = false;
var _modalParams = {};
// Elements
var _modal, _modalBody, _clickedButton = null;
// Utilities
function _storeClickedStatus() {
_clickedButton = this;
}
function _html(content) {
_modalBody.html(content);
// Set or update title if we have one
if (_lightboxTitle !== '') {
var h2 = _modalBody.find('h2:first-child');
if (h2.length === 0) {
h2 = $('<h2/>').prependTo(_modalBody);
}
h2.text(_lightboxTitle);
_lightboxTitle = '';
}
_modal.modal('handleUpdate');
}
function _emit(msg, _details) {
var details = _details || {};
var event;
try {
event = new CustomEvent(msg, {
detail: details,
bubbles: true,
cancelable: true
});
} catch (e) {
// Fallback to document.createEvent() if creating a new CustomEvent fails (e.g. IE 11)
event = document.createEvent('CustomEvent');
event.initCustomEvent(msg, true, true, details);
}
return document.dispatchEvent(event);
}
// Public: Present an alert
function showAlert(message, _type) {
var type = _type || 'info';
_html('<div class="flash-message alert alert-' + type + '">' + message + '</div>'
+ '<button class="btn btn-primary" data-dismiss="modal">' + VuFind.translate('close') + '</button>');
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_modal.modal('show');
}
function flashMessage(message, _type) {
var type = _type || 'info';
_modalBody.find('.flash-message,.fa.fa-spinner').remove();
_modalBody.find('h2:first-of-type')
.after('<div class="flash-message alert alert-' + type + '">' + message + '</div>');
}
function close() {
_modal.modal('hide');
}
/**
* Update content
*
* Form data options:
*
* data-lightbox-ignore = do not submit this form in lightbox
*/
// function declarations to avoid style warnings about circular references
var _constrainLink;
var _formSubmit;
function render(content) {
if (typeof content !== "string") {
return;
}
// Isolate successes
var htmlDiv = $('<div/>').html(content);
var alerts = htmlDiv.find('.flash-message.alert-success:not([data-lightbox-ignore])');
if (alerts.length > 0) {
var msgs = alerts.toArray().map(function getSuccessHtml(el) {
return el.innerHTML;
}).join('<br/>');
var href = alerts.find('.download').attr('href');
if (typeof href !== 'undefined') {
location.href = href;
close();
} else {
showAlert(msgs, 'success');
}
return;
}
// Deframe HTML
var finalHTML = content;
if (content.match('<!DOCTYPE html>')) {
finalHTML = htmlDiv.find('.main > .container').html();
}
// Fill HTML
_html(finalHTML);
VuFind.modal('show');
// Attach capturing events
_modalBody.find('a').click(_constrainLink);
// Handle submit buttons attached to a form as well as those in a form. Store
// information about which button was clicked here as checking focused button
// doesn't work on all browsers and platforms.
_modalBody.find('[type=submit]').click(_storeClickedStatus);
var forms = _modalBody.find('form:not([data-lightbox-ignore])');
for (var i = 0; i < forms.length; i++) {
$(forms[i]).on('submit', _formSubmit);
}
// Select all checkboxes
$('#modal').find('.checkbox-select-all').change(function lbSelectAllCheckboxes() {
$(this).closest('.modal-body').find('.checkbox-select-item').prop('checked', this.checked);
});
$('#modal').find('.checkbox-select-item').change(function lbSelectAllDisable() {
$(this).closest('.modal-body').find('.checkbox-select-all').prop('checked', false);
});
// Recaptcha
recaptchaOnLoad();
}
var _xhr = false;
// Public: Handle AJAX in the Lightbox
function ajax(obj) {
if (_xhr !== false) {
return;
}
if (_originalUrl === false) {
_originalUrl = obj.url;
}
// Add lightbox GET parameter
if (!obj.url.match(/layout=lightbox/)) {
var parts = obj.url.split('#');
obj.url = parts[0].indexOf('?') < 0
? parts[0] + '?'
: parts[0] + '&';
obj.url += 'layout=lightbox';
if (_currentUrl) {
obj.url += '&lbreferer=' + encodeURIComponent(_currentUrl);
}
obj.url += parts.length < 2 ? '' : '#' + parts[1];
}
_xhr = $.ajax(obj);
_xhr.always(function lbAjaxAlways() { _xhr = false; })
.done(function lbAjaxDone(content, status, jq_xhr) {
var errorMsgs = [];
if (jq_xhr.status !== 205) {
var testDiv = $('<div/>').html(content);
errorMsgs = testDiv.find('.flash-message.alert-danger:not([data-lightbox-ignore])');
// Place Hold error isolation
if (obj.url.match(/\/Record\/.*(Hold|Request)\?/)) {
if (errorMsgs.length && testDiv.find('.record').length) {
var msgs = errorMsgs.toArray().map(function getAlertHtml(el) {
return el.innerHTML;
}).join('<br/>');
showAlert(msgs, 'danger');
return false;
}
}
}
// Close the lightbox after deliberate login provided that:
// - is a form
// - catalog login for holds
// - or that matches login/create account
// - not a failed login
if (
obj.method && (
obj.url.match(/catalogLogin/)
|| obj.url.match(/MyResearch\/(?!Bulk|Delete|Recover)/)
) && errorMsgs.length === 0
) {
var eventResult = _emit('VuFind.lightbox.login', {
originalUrl: _originalUrl,
formUrl: obj.url
});
if (_originalUrl.match(/UserLogin/) || obj.url.match(/catalogLogin/)) {
if (eventResult) {
VuFind.refreshPage();
}
return false;
} else {
VuFind.lightbox.refreshOnClose = true;
}
_currentUrl = _originalUrl; // Now that we're logged in, where were we?
}
if (jq_xhr.status === 205) {
VuFind.refreshPage();
return;
}
Alexander Purr
committed
/* remove save search icon by disabled one if save request succeeded */
if (_originalUrl !== undefined && _originalUrl.match(/SaveSearch\?save=/)) {
Alexander Purr
committed
$("#save-search").toggleClass("hidden");
$("#saved-search").toggleClass("hidden");
}
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render(content);
})
.fail(function lbAjaxFail(deferred, errorType, msg) {
showAlert(VuFind.translate('error_occurred') + '<br/>' + msg, 'danger');
});
return _xhr;
}
function reload() {
ajax({ url: _currentUrl || _originalUrl });
}
/**
* Evaluate a callback
*/
function _evalCallback(callback, event, data) {
if ('function' === typeof window[callback]) {
return window[callback](event, data);
}
var parts = callback.split('.');
if (typeof window[parts[0]] === 'object') {
var obj = window[parts[0]];
for (var i = 1; i < parts.length; i++) {
if (typeof obj[parts[i]] === 'undefined') {
obj = false;
break;
}
obj = obj[parts[i]];
}
if ('function' === typeof obj) {
return obj(event, data);
}
}
console.error('Lightbox callback function not found.');
return null;
}
/**
* Modal link data options
*
* data-lightbox-href = go to this url instead
* data-lightbox-ignore = do not open this link in lightbox
* data-lightbox-post = post data
* data-lightbox-title = Lightbox title (overrides any title the page provides)
*/
_constrainLink = function constrainLink(event) {
if (typeof $(this).data('lightboxIgnore') != 'undefined'
|| typeof this.attributes.href === 'undefined'
|| this.attributes.href.value.charAt(0) === '#'
|| this.href.match(/^[a-zA-Z]+:[^/]/) // ignore resource identifiers (mailto:, tel:, etc.)
) {
return true;
}
if (this.href.length > 1) {
event.preventDefault();
var obj = {url: $(this).data('lightboxHref') || this.href};
if ("string" === typeof $(this).data('lightboxPost')) {
obj.type = 'POST';
obj.data = $(this).data('lightboxPost');
}
_lightboxTitle = $(this).data('lightboxTitle') || '';
_modalParams = $(this).data();
VuFind.modal('show');
ajax(obj);
_currentUrl = this.href;
return false;
}
};
/**
* Handle form submission.
*
* Form data options:
*
* data-lightbox-onsubmit = on submit, run named function
* data-lightbox-onclose = on close, run named function
* data-lightbox-title = Lightbox title (overrides any title the page provides)
*
* Submit button data options:
*
* data-lightbox-ignore = do not handle clicking this button in lightbox
*/
_formSubmit = function formSubmit(event) {
// Gather data
var form = event.target;
var data = $(form).serializeArray();
// Check for recaptcha
if (typeof grecaptcha !== 'undefined') {
var recaptcha = $(form).find('.g-recaptcha');
if (recaptcha.length > 0) {
data.push({ name: 'g-recaptcha-response', value: grecaptcha.getResponse(recaptcha.data('captchaId')) });
}
}
// Force layout
data.push({ name: 'layout', value: 'lightbox' }); // Return in lightbox, please
// Add submit button information
var submit = $(_clickedButton);
_clickedButton = null;
var buttonData = { name: 'submit', value: 1 };
if (submit.length > 0) {
if (typeof submit.data('lightbox-close') !== 'undefined') {
close();
return false;
}
if (typeof submit.data('lightbox-ignore') !== 'undefined') {
return true;
}
buttonData.name = submit.attr('name') || 'submit';
buttonData.value = submit.attr('value') || 1;
}
data.push(buttonData);
// Special handlers
// On submit behavior
if ('string' === typeof $(form).data('lightboxOnsubmit')) {
var ret = _evalCallback($(form).data('lightboxOnsubmit'), event, data);
// return true or false to send that to the form
// return null or anything else to continue to the ajax
if (ret === false || ret === true) {
return ret;
}
}
// onclose behavior
if ('string' === typeof $(form).data('lightboxOnclose')) {
document.addEventListener('VuFind.lightbox.closed', function lightboxClosed(e) {
this.removeEventListener('VuFind.lightbox.closed', arguments.callee);
_evalCallback($(form).data('lightboxOnclose'), e, form);
}, false);
}
// refs 16504: set an overlay - GG
// Loading
var overlay = '<div class="facet-loading-overlay">'
+ '<span class="facet-loading-overlay-label"><i class="modal-loading fa fa-spinner fa-spin fa-3x"></i>'
+ "</span></div>";
// refs 16504: set an overlay END - GG
_modalBody.prepend(overlay);
// Prevent multiple submission of submit button in lightbox
if (submit.closest(_modal).length > 0) {
submit.attr('disabled', 'disabled');
}
// Store custom title
_lightboxTitle = submit.data('lightboxTitle') || $(form).data('lightboxTitle') || '';
// Get Lightbox content
ajax({
url: $(form).attr('action') || _currentUrl,
method: $(form).attr('method') || 'GET',
data: data
}).done(function recaptchaReset() {
resetCaptcha($(form));
});
VuFind.modal('show');
return false;
};
// Public: Attach listeners to the page
function bind(el) {
var target = el || document;
$(target).find('a[data-lightbox]')
.unbind('click', _constrainLink)
.on('click', _constrainLink);
$(target).find('form[data-lightbox]')
.unbind('submit', _formSubmit)
.on('submit', _formSubmit);
// Handle submit buttons attached to a form as well as those in a form. Store
// information about which button was clicked here as checking focused button
// doesn't work on all browsers and platforms.
$('form[data-lightbox]').each(function bindFormSubmitsLightbox(i, form) {
$(form).find('[type=submit]').click(_storeClickedStatus);
$('[type="submit"][form="' + form.id + '"]').click(_storeClickedStatus);
});
// Display images in the lightbox
$('[data-lightbox-image]', el).each(function lightboxOpenImage(i, link) {
$(link).unbind("click", _constrainLink);
$(link).bind("click", function lightboxImageRender(event) {
event.preventDefault();
var url = link.dataset.lightboxHref || link.href || link.src;
var imageCheck = $.ajax({
url: url,
method: "HEAD"
});
imageCheck.done(function lightboxImageCheckDone(content, status, jq_xhr) {
if (
jq_xhr.status === 200 &&
jq_xhr.getResponseHeader("content-type").substr(0, 5) === "image"
) {
render('<div class="lightbox-image"><img src="' + url + '"/></div>');
} else {
location.href = url;
}
});
});
});
}
function reset() {
_html(VuFind.translate('loading') + '...');
_originalUrl = false;
_currentUrl = false;
_lightboxTitle = '';
_modalParams = {};
}
function init() {
_modal = $('#modal');
_modalBody = _modal.find('.modal-body');
_modal.on('hide.bs.modal', function lightboxHide() {
if (VuFind.lightbox.refreshOnClose) {
VuFind.refreshPage();
}
this.setAttribute('aria-hidden', true);
_emit('VuFind.lightbox.closing');
});
_modal.on('hidden.bs.modal', function lightboxHidden() {
VuFind.lightbox.reset();
_emit('VuFind.lightbox.closed');
});
VuFind.modal = function modalShortcut(cmd) {
if (cmd === 'show') {
_modal.modal($.extend({ show: true }, _modalParams)).attr('aria-hidden', false);
} else {
_modal.modal(cmd);
}
};
bind();
}
// Reveal
return {
// Properties
refreshOnClose: refreshOnClose,
// Methods
ajax: ajax,
alert: showAlert,
bind: bind,
close: close,
flashMessage: flashMessage,
reload: reload,
render: render,
// Reset
reset: reset,
// Init
init: init
};
});