mirror of
https://github.com/codex-team/editor.js
synced 2024-06-19 22:25:23 +02:00
630 lines
16 KiB
JavaScript
630 lines
16 KiB
JavaScript
/**
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* Image plugin for codex-editor
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* @author CodeX Team <team@ifmo.su>
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*
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* @version 1.2.0
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*/
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var image = (function(image) {
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/**
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* @private
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*
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* CSS classNames
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*/
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var elementClasses_ = {
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ce_image : 'ce-image',
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loading : 'ce-plugin-image__loader',
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blockStretched: 'ce-block--stretched',
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uploadedImage : {
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centered : 'ce-plugin-image__uploaded--centered',
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stretched : 'ce-plugin-image__uploaded--stretched'
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},
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imageCaption : 'ce-plugin-image__caption',
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imageWrapper : 'ce-plugin-image__wrapper',
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formHolder : 'ce-plugin-image__holder',
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uploadButton : 'ce-plugin-image__button',
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imagePreview : 'ce-image__preview'
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};
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/**
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*
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* @private
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*
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* UI methods
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*/
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var ui_ = {
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holder : function(){
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var element = document.createElement('DIV');
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element.classList.add(elementClasses_.formHolder);
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element.classList.add(elementClasses_.ce_image);
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return element;
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},
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uploadButton : function(){
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var button = document.createElement('SPAN');
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button.classList.add(elementClasses_.uploadButton);
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button.innerHTML = '<i class="ce-icon-picture"> </i>';
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button.innerHTML += 'Загрузить фотографию';
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return button;
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},
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/**
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* @param {object} file - file path
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* @param {string} style - css class
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* @return {object} image - document IMG tag
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*/
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image : function(file, style) {
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var image = document.createElement('IMG');
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image.classList.add(style);
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image.src = file.url;
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image.dataset.bigUrl = file.bigUrl;
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return image;
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},
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wrapper : function() {
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var div = document.createElement('div');
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div.classList.add(elementClasses_.imageWrapper);
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return div;
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},
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caption : function() {
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var div = document.createElement('div');
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div.classList.add(elementClasses_.imageCaption);
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div.contentEditable = true;
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return div;
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},
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/**
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* Draws form for image upload
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*/
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makeForm : function() {
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var holder = ui_.holder(),
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uploadButton = ui_.uploadButton();
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holder.appendChild(uploadButton);
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uploadButton.addEventListener('click', uploadButtonClicked_, false );
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image.holder = holder;
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return holder;
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},
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/**
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* wraps image and caption
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* @param {object} data - image information
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* @param {string} imageTypeClass - plugin's style
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* @param {boolean} stretched - stretched or not
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* @return wrapped block with image and caption
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*/
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makeImage : function(data, imageTypeClass, stretched) {
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var file = data.file,
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text = data.caption,
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type = data.type,
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image = ui_.image(file, imageTypeClass),
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caption = ui_.caption(),
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wrapper = ui_.wrapper();
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caption.textContent = text;
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wrapper.dataset.stretched = stretched;
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/** Appeding to the wrapper */
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wrapper.appendChild(image);
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wrapper.appendChild(caption);
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return wrapper;
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},
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/**
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* @param {HTML} data - Rendered block with image
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*/
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getImage : function(data) {
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var image = data.querySelector('.' + elementClasses_.uploadedImage.centered) ||
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data.querySelector('.' + elementClasses_.uploadedImage.stretched);
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return image;
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},
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/**
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* wraps image and caption
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* @deprecated
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* @param {object} data - image information
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* @return wrapped block with image and caption
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*/
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centeredImage : function(data) {
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var file = data.file,
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text = data.caption,
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type = data.type,
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image = ui_.image(file, elementClasses_.uploadedImage.centered),
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caption = ui_.caption(),
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wrapper = ui_.wrapper();
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caption.textContent = text;
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wrapper.dataset.stretched = 'false';
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/** Appeding to the wrapper */
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wrapper.appendChild(image);
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wrapper.appendChild(caption);
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return wrapper;
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},
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/**
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* wraps image and caption
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* @deprecated
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* @param {object} data - image information
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* @return stretched image
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*/
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stretchedImage : function(data) {
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var file = data.file,
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text = data.caption,
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type = data.type,
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image = ui_.image(file, elementClasses_.uploadedImage.stretched),
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caption = ui_.caption(),
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wrapper = ui_.wrapper();
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caption.textContent = text;
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wrapper.dataset.stretched = 'true';
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/** Appeding to the wrapper */
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wrapper.appendChild(image);
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wrapper.appendChild(caption);
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return wrapper;
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}
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};
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/**
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* @private
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*
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* After render callback
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*/
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var uploadButtonClicked_ = function(event) {
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var beforeSend = uploadingCallbacks_.ByClick.beforeSend,
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success = uploadingCallbacks_.ByClick.success,
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error = uploadingCallbacks_.ByClick.error;
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/** Define callbacks */
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codex.transport.selectAndUpload({
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beforeSend: beforeSend,
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success: success,
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error: error
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});
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};
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var methods_ = {
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addSelectTypeClickListener : function(el, type) {
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el.addEventListener('click', function() {
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methods_.selectTypeClicked(type);
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}, false);
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},
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selectTypeClicked : function(type) {
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var current = codex.content.currentNode,
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blockContent = current.childNodes[0],
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image = ui_.getImage(current),
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inFeed = false,
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wrapper = current.querySelector('.' + elementClasses_.imageWrapper);
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if (!image) {
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return;
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}
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if (current.classList.contains(codex.ui.className.BLOCK_IN_FEED_MODE)) {
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inFeed = true;
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}
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/** Clear classList */
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current.className = '';
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image.className = '';
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if (inFeed) {
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current.classList.add(codex.ui.className.BLOCK_IN_FEED_MODE);
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}
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/** Add important first-level class ce_block */
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current.classList.add(codex.ui.className.BLOCK_CLASSNAME);
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if (type === 'stretched') {
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image.classList.add(elementClasses_.uploadedImage.stretched);
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blockContent.classList.add(elementClasses_.blockStretched);
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/** Setting dataset for saver */
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wrapper.dataset.stretched = true;
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} else if (type === 'centered') {
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image.classList.add(elementClasses_.uploadedImage.centered);
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blockContent.classList.remove(elementClasses_.blockStretched);
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/** Setting dataset for saver */
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wrapper.dataset.stretched = false;
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}
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codex.toolbar.settings.close();
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}
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};
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/**
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* @private
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* Callbacks
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*/
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var uploadingCallbacks_ = {
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ByClick : {
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/**
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* Before sending ajax request
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*/
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beforeSend : function() {
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var input = codex.transport.input,
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files = input.files;
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var validFileExtensions = ["jpg", "jpeg", "bmp", "gif", "png"];
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var type = files[0].type.split('/');
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var result = validFileExtensions.some(function(ext) {
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return ext == type[1]
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});
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if (!result) {
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return;
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}
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var reader = new FileReader();
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reader.readAsDataURL(files[0]);
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reader.onload = function(e) {
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var data = {
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background : false,
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border : false,
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isstretch : false,
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file : {
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url : e.target.result,
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bigUrl : null,
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width : null,
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height : null,
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additionalData : null
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},
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caption : '',
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cover : null
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};
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var newImage = make_(data);
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codex.content.switchBlock(image.holder, newImage, 'image_extended');
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newImage.classList.add(elementClasses_.imagePreview);
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/**
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* Change holder to image
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*/
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image.holder = newImage;
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};
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},
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/** Photo was uploaded successfully */
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success : function(result) {
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var parsed = JSON.parse(result),
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data,
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currentBlock = codex.content.currentNode;
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/**
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* Preparing {Object} data to draw an image
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* @uses ceImage.make method
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*/
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data = parsed.data;
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image.holder.classList.remove(elementClasses_.imagePreview);
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/**
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* Change src of image
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*/
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var newImage = image.holder.getElementsByTagName('IMG')[0];
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newImage.src = parsed.data.file.url;
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newImage.dataset.bigUrl = parsed.data.file.bigUrl;
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},
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/** Error callback. Sends notification to user that something happend or plugin doesn't supports method */
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error : function(result) {
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var oldHolder = image.holder;
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var form = ui_.makeForm();
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codex.content.switchBlock(oldHolder, form, 'image_extended');
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}
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},
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ByPaste : {
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/**
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* Direct upload
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* Any URL that contains image extension
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* @param url
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*/
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uploadImageFromUrl : function(path) {
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var ajaxUrl = image.config.uploadUrl,
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file,
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image_plugin,
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current = codex.content.currentNode,
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beforeSend,
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success_callback;
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/** When image is uploaded to redactors folder */
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success_callback = function(data) {
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var imageInfo = JSON.parse(data);
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image_plugin.dataset.stretched = false;
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image_plugin.dataset.src = imageInfo.file.url;
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image_plugin.dataset.bigUrl = imageInfo.file.bigUrl;
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image_plugin.dataset.width = imageInfo.file.width;
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image_plugin.dataset.height = imageInfo.file.height;
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image_plugin.dataset.additionalData = imageInfo.file.additionalData;
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image_plugin.classList.remove(elementClasses_.imagePreview);
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};
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/** Before sending XMLHTTP request */
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beforeSend = function() {
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var content = current.querySelector('.ce-block__content');
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var data = {
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background: false,
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border: false,
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isStretch: false,
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file: {
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url: path,
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bigUrl: null,
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width: null,
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height: null,
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additionalData: null
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},
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caption: '',
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cover: null
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};
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image_plugin = codex.tools.image_extended.render(data);
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image_plugin.classList.add(elementClasses_.imagePreview);
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var img = image_plugin.querySelector('img');
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codex.content.switchBlock(codex.content.currentNode, image_plugin, 'image_extended');
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};
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/** Preparing data for XMLHTTP */
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var data = {
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url: image.config.uploadUrl,
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type: "POST",
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data : {
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url: path
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},
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beforeSend : beforeSend,
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success : success_callback
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};
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codex.core.ajax(data);
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}
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}
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};
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/**
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* Default image holder which will be replaced after image upload
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* @type {null}
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*/
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image.holder = null;
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/**
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* Image path
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* @type {null}
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*/
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image.path = null;
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/**
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* Plugin configuration
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*/
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image.config = null;
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/**
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*
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* @private
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*
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* @param data
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* @return {*}
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*
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*/
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var make_ = function ( data ) {
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var holder;
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if (data) {
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if ( data.isstretch || data.isstretch === 'true') {
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holder = ui_.makeImage(data, elementClasses_.uploadedImage.stretched, 'true');
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} else {
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holder = ui_.makeImage(data, elementClasses_.uploadedImage.centered, 'false');
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}
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return holder;
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} else {
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holder = ui_.makeForm();
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return holder;
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}
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};
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/**
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* @private
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*
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* Prepare clear data before save
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*
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* @param data
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*/
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var prepareDataForSave_ = function(data) {
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};
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/**
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* @public
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* @param config
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*/
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image.prepare = function(config) {
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image.config = config;
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};
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/**
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* @public
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*
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* this tool works when tool is clicked in toolbox
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*/
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image.appendCallback = function(event) {
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/** Upload image and call success callback*/
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uploadButtonClicked_(event);
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};
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/**
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* @public
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*
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* @param data
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* @return {*}
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*/
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image.render = function( data ) {
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return make_(data);
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};
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/**
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* @public
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*
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* @param block
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* @return {{background: boolean, border: boolean, isstretch: boolean, file: {url: (*|string|Object), bigUrl: (null|*), width: *, height: *, additionalData: null}, caption: (string|*|string), cover: null}}
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*/
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image.save = function ( block ) {
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var content = block,
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image = ui_.getImage(content),
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caption = content.querySelector('.' + elementClasses_.imageCaption);
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var data = {
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background : false,
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border : false,
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isstretch : content.dataset.stretched === 'true' ? true : false,
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file : {
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url : image.src,
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bigUrl : image.dataset.bigUrl,
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width : image.width,
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height : image.height,
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additionalData :null
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},
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caption : caption.textContent,
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cover : null
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};
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return data;
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};
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/**
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* @public
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*
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* Settings panel content
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* @return {Element} element contains all settings
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*/
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image.makeSettings = function () {
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var holder = document.createElement('DIV'),
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types = {
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centered : 'По центру',
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stretched : 'На всю ширину'
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},
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selectTypeButton;
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/** Add holder classname */
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holder.className = 'ce_plugin_image--settings';
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/** Now add type selectors */
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for (var type in types){
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selectTypeButton = document.createElement('SPAN');
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selectTypeButton.textContent = types[type];
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selectTypeButton.className = 'ce_plugin_image--select_button';
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methods_.addSelectTypeClickListener(selectTypeButton, type);
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holder.appendChild(selectTypeButton);
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}
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return holder;
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};
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/**
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* Share as API
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*/
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image.uploadImageFromUri = uploadingCallbacks_.ByPaste.uploadImageFromUrl;
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return image;
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})({}); |