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/** |
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* @package VikBooking |
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* @subpackage vik-content-builder |
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* @author Alessio Gaggii - E4J srl |
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* @copyright Copyright (C) 2022 E4J srl. All rights reserved. |
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* @license GNU General Public License version 2 or later; see LICENSE |
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* @link https://vikwp.com - https://e4j.com - https://e4jconnect.com |
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*/ |
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|
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// class handler to store the editor instances and switch building modes |
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class VikContentBuilder { |
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|
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static editors = new Array; |
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|
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static pushEditor(editor) { |
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this.editors.push(editor); |
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} |
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|
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// method for switching between building modes |
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static switchMode(elem, mode) { |
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var btn = jQuery(elem); |
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if (mode) { |
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btn = btn.closest('.vik-contentbuilder-wrapper').find('.vik-contentbuilder-switcher-btn[data-switch="' + mode + '"]'); |
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} |
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var switch_to = btn.attr("data-switch"); |
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|
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btn.parent(".vik-contentbuilder-switcher").find(".vik-contentbuilder-switcher-btn").removeClass("vik-contentbuilder-switcher-btn-active"); |
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btn.addClass("vik-contentbuilder-switcher-btn-active"); |
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|
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var ed_conts = btn.closest(".vik-contentbuilder-wrapper"); |
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ed_conts.find(".vik-contentbuilder-inner [data-switch]").not('[data-switch="' + switch_to + '"]').hide(); |
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|
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var target = ed_conts.find('.vik-contentbuilder-inner [data-switch="' + switch_to + '"]'); |
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if (switch_to.indexOf('visual') >= 0 && !target.find('.vik-contentbuilder-editor-container').length) { |
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// handle multiple visual modes (inline and modal) |
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var append_to_child = target.attr('data-appendto'); |
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if (append_to_child) { |
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ed_conts.find('.vik-contentbuilder-editor-container').appendTo(target.find(append_to_child)); |
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} else { |
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ed_conts.find('.vik-contentbuilder-editor-container').appendTo(target); |
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} |
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} |
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target.show(); |
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|
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// handle text mode special tags |
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var text_mode_tags = jQuery('.vik-contentbuilder-textmode-sptags'); |
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if (text_mode_tags.length && switch_to.indexOf('text') >= 0) { |
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text_mode_tags.show(); |
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} else if (text_mode_tags.length && switch_to.indexOf('visual') >= 0) { |
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text_mode_tags.hide(); |
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} |
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} |
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|
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} |
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|
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// class handler for uploading an image file and display it through Quill |
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class VikContentBuilderImageHandler { |
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|
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constructor(editor, endpoint) { |
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this.editor = editor; |
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this.endpoint = endpoint || null; |
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} |
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|
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setEndpoint(endpoint) { |
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if (endpoint && endpoint.length) { |
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this.endpoint = endpoint; |
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} |
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return this; |
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} |
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|
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present() { |
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var input = document.createElement('input'); |
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input.setAttribute('type', 'file'); |
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input.onchange = () => { |
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var file = input.files[0]; |
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var rgxi = /^image\//; |
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if (!file || !file.name || !rgxi.test(file.type)) { |
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alert('Only images are allowed.'); |
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return; |
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} |
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this.upload(file); |
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}; |
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input.click(); |
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} |
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|
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upload(file) { |
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if (!file instanceof File) { |
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console.error('Invalid file'); |
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return false; |
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} |
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|
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if (!this.endpoint) { |
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console.error('Missing endpoint'); |
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return false; |
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} |
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|
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// build form data |
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var formd = new FormData(); |
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formd.append('file', file); |
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formd.append('type', 'image'); |
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|
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// start progress |
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this.startProgress(); |
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|
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// perform the AJAX upload |
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var that = this; |
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var jqxhr = jQuery.ajax({ |
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xhr: function() { |
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var xhrobj = jQuery.ajaxSettings.xhr(); |
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if (xhrobj.upload) { |
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xhrobj.upload.addEventListener('progress', function(event) { |
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var percent = 0; |
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var position = event.loaded || event.position; |
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var total = event.total; |
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if (event.lengthComputable) { |
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percent = Math.ceil(position / total * 100); |
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} |
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// update progress |
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that.setProgress(percent); |
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}, false); |
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} |
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return xhrobj; |
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}, |
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url: that.endpoint, |
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type: 'POST', |
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contentType: false, |
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processData: false, |
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cache: false, |
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data: formd, |
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success: function(resp) { |
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try { |
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resp = JSON.parse(resp); |
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if (resp.status == 1) { |
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that.complete(resp); |
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} else { |
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throw resp.error ? resp.error : 'An error occurred! Please try again.'; |
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} |
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} catch (err) { |
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that.stopProgress(); |
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console.warn(err, resp); |
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alert(err); |
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} |
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}, |
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error: function(err) { |
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that.stopProgress(); |
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console.error(err.responseText); |
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alert('An error occurred. Please try again.'); |
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}, |
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}); |
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} |
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|
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complete(resp) { |
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this.stopProgress(); |
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this.editor.insertEmbed(this.editor.getSelection().index, 'image', resp.url); |
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} |
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|
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startProgress() { |
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// access the toolbar module |
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var toolbar = null; |
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try { |
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toolbar = this.editor.getModule('toolbar').container; |
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} catch(e) { |
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// do nothing |
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} |
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if (!toolbar) { |
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return false; |
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} |
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|
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// create progress element |
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this.progress_el = document.createElement("PROGRESS"); |
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this.progress_el.setAttribute('max', 100); |
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this.progress_el.setAttribute('value', 0); |
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|
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// append progress to toolbar |
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toolbar.appendChild(this.progress_el); |
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} |
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|
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setProgress(value) { |
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if (!this.progress_el) { |
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return false; |
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} |
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this.progress_el.setAttribute('value', value); |
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} |
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|
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stopProgress() { |
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if (!this.progress_el) { |
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return false; |
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} |
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this.progress_el.remove(); |
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this.progress_el = null; |
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} |
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|
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} |
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|
