71 lines
3.1 KiB
JavaScript
71 lines
3.1 KiB
JavaScript
define(['jquery'], function($) {
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var iframeBinding = function(e) {
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var target_element = null;
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if (typeof e === 'undefined') {
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target_element = $('iframe, embed');
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} else {
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if (typeof e.nodeName !== 'undefined') {
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target_element = $(e).find('iframe, embed');
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} else {
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target_element = e.$('iframe, embed');
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}
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}
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modifyTagContent(target_element);
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};
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var modifyTagContent = function(target_element) {
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target_element.each(function() {
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if ($(this).prop('tagName') === 'IFRAME') {
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var ifr_source = $(this).attr('src');
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// Modify iframe src only if it is not empty
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if (ifr_source) {
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var wmode = 'wmode=transparent';
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if (ifr_source.indexOf('?') !== -1) {
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var getQString = ifr_source.split('?');
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if (getQString[1].search('wmode=transparent') === -1) {
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var oldString = getQString[1];
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var newString = getQString[0];
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$(this).attr('src', newString + '?' + wmode + '&' + oldString);
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}
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// eslint-disable-next-line brace-style
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}
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// The TinyMCE editor is hosted in an iframe, and before the iframe is
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// removed we execute this code. To avoid throwing an error when setting the
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// attr, check that the source doesn't start with the value specified by TinyMCE ('javascript:""').
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else if (ifr_source.lastIndexOf('javascript:', 0) !== 0) {
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$(this).attr('src', ifr_source + '?' + wmode);
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}
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}
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} else {
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$(this).attr('wmode', 'transparent');
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}
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});
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};
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// Modify iframe/embed tags in provided html string
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// Use this method when provided data is just html sting not dom element
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// This method will only modify iframe (add wmode=transparent in url querystring) and embed (add wmode=transparent as attribute)
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// tags in html string so both tags will attach to dom and don't create z-index problem for other popups
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// Note: embed tags should be modified before rendering as they are static objects as compared to iframes
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// Note: this method can modify unintended html (invalid tags) while converting to dom object
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var iframeBindingHtml = function(html_string) {
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if (html_string) {
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var target_element = null;
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var temp_content = document.createElement('div');
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$(temp_content).html(html_string);
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target_element = $(temp_content).find('iframe, embed');
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if (target_element.length > 0) {
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modifyTagContent(target_element);
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html_string = $(temp_content).html();
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}
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}
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return html_string;
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};
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return {
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iframeBinding: iframeBinding,
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iframeBindingHtml: iframeBindingHtml
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};
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});
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