71 lines
1.9 KiB
JavaScript
Executable File
71 lines
1.9 KiB
JavaScript
Executable File
(function () {
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'use strict';
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CKEDITOR.plugins.add('pastebase64', {
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init: init
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});
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function init(editor) {
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if (editor.addFeature) {
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editor.addFeature({
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allowedContent: 'img[alt,id,!src]{width,height};'
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});
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}
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editor.on("contentDom", function () {
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var editableElement = editor.editable ? editor.editable() : editor.document;
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editableElement.on("paste", onPaste, null, {editor: editor});
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});
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}
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function onPaste(event) {
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var editor = event.listenerData && event.listenerData.editor;
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var $event = event.data.$;
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var clipboardData = $event.clipboardData;
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var found = false;
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var imageType = /^image/;
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if (!clipboardData) {
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return;
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}
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return Array.prototype.forEach.call(clipboardData.types, function (type, i) {
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if (found) {
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return;
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}
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if (type.match(imageType) || clipboardData.items[i].type.match(imageType)) {
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readImageAsBase64(clipboardData.items[i], editor);
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return found = true;
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}
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});
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}
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function readImageAsBase64(item, editor) {
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if (!item || typeof item.getAsFile !== 'function') {
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return;
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}
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var file = item.getAsFile();
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var reader = new FileReader();
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reader.onload = function (evt) {
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var element = editor.document.createElement('img', {
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attributes: {
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src: evt.target.result
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}
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});
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// We use a timeout callback to prevent a bug where insertElement inserts at first caret
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// position
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setTimeout(function () {
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editor.insertElement(element);
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}, 10);
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};
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reader.readAsDataURL(file);
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}
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})();
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