384 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			384 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
"use strict";
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const Code = require('../code');
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/**
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 * Handle pasting images from clipboard.
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 * @param e  - event
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 * @param editor - editor instance
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 */
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function editorPaste(e, editor) {
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    if (!e.clipboardData) return;
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    let items = e.clipboardData.items;
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    if (!items) return;
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    for (let i = 0; i < items.length; i++) {
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        if (items[i].type.indexOf("image") === -1) return;
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        let file = items[i].getAsFile();
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        let formData = new FormData();
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        let ext = 'png';
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        let xhr = new XMLHttpRequest();
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        if (file.name) {
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            let fileNameMatches = file.name.match(/\.(.+)$/);
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            if (fileNameMatches) {
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                ext = fileNameMatches[1];
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            }
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        }
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        let id = "image-" + Math.random().toString(16).slice(2);
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        let loadingImage = window.baseUrl('/loading.gif');
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        editor.execCommand('mceInsertContent', false, `<img src="${loadingImage}" id="${id}">`);
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        let remoteFilename = "image-" + Date.now() + "." + ext;
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        formData.append('file', file, remoteFilename);
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        formData.append('_token', document.querySelector('meta[name="token"]').getAttribute('content'));
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        xhr.open('POST', window.baseUrl('/images/gallery/upload'));
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        xhr.onload = function () {
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            if (xhr.status === 200 || xhr.status === 201) {
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                let result = JSON.parse(xhr.responseText);
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                editor.dom.setAttrib(id, 'src', result.thumbs.display);
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            } else {
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                console.log('An error occurred uploading the image', xhr.responseText);
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                editor.dom.remove(id);
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            }
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        };
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        xhr.send(formData);
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    }
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}
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function registerEditorShortcuts(editor) {
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    // Headers
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    for (let i = 1; i < 5; i++) {
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        editor.shortcuts.add('meta+' + i, '', ['FormatBlock', false, 'h' + (i+1)]);
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    }
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    // Other block shortcuts
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    editor.shortcuts.add('meta+5', '', ['FormatBlock', false, 'p']);
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    editor.shortcuts.add('meta+d', '', ['FormatBlock', false, 'p']);
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    editor.shortcuts.add('meta+6', '', ['FormatBlock', false, 'blockquote']);
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    editor.shortcuts.add('meta+q', '', ['FormatBlock', false, 'blockquote']);
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    editor.shortcuts.add('meta+7', '', ['codeeditor', false, 'pre']);
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    editor.shortcuts.add('meta+e', '', ['codeeditor', false, 'pre']);
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    editor.shortcuts.add('meta+8', '', ['FormatBlock', false, 'code']);
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    editor.shortcuts.add('meta+shift+E', '', ['FormatBlock', false, 'code']);
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    // Loop through callout styles
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    editor.shortcuts.add('meta+9', '', function() {
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        let selectedNode = editor.selection.getNode();
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        let formats = ['info', 'success', 'warning', 'danger'];
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        if (!selectedNode || selectedNode.className.indexOf('callout') === -1) {
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            editor.formatter.apply('calloutinfo');
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            return;
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        }
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        for (let i = 0; i < formats.length; i++) {
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            if (selectedNode.className.indexOf(formats[i]) === -1) continue;
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            let newFormat = (i === formats.length -1) ? formats[0] : formats[i+1];
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            editor.formatter.apply('callout' + newFormat);
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            return;
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        }
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        editor.formatter.apply('p');
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    });
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}
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/**
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 * Create and enable our custom code plugin
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 */
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function codePlugin() {
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    function elemIsCodeBlock(elem) {
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        return elem.className === 'CodeMirrorContainer';
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    }
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    function showPopup(editor) {
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        let selectedNode = editor.selection.getNode();
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        if (!elemIsCodeBlock(selectedNode)) {
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            let providedCode = editor.selection.getNode().textContent;
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            window.vues['code-editor'].open(providedCode, '', (code, lang) => {
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                let wrap = document.createElement('div');
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                wrap.innerHTML = `<pre><code class="language-${lang}"></code></pre>`;
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                wrap.querySelector('code').innerText = code;
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                editor.formatter.toggle('pre');
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                let node = editor.selection.getNode();
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                editor.dom.setHTML(node, wrap.querySelector('pre').innerHTML);
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                editor.fire('SetContent');
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            });
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            return;
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        }
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        let lang = selectedNode.hasAttribute('data-lang') ? selectedNode.getAttribute('data-lang') : '';
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        let currentCode = selectedNode.querySelector('textarea').textContent;
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        window.vues['code-editor'].open(currentCode, lang, (code, lang) => {
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            let editorElem = selectedNode.querySelector('.CodeMirror');
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            let cmInstance = editorElem.CodeMirror;
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            if (cmInstance) {
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                Code.setContent(cmInstance, code);
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                Code.setMode(cmInstance, lang);
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            }
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            let textArea = selectedNode.querySelector('textarea');
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            if (textArea) textArea.textContent = code;
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            selectedNode.setAttribute('data-lang', lang);
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        });
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    }
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    function codeMirrorContainerToPre($codeMirrorContainer) {
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        let textArea = $codeMirrorContainer[0].querySelector('textarea');
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        let code = textArea.textContent;
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        let lang = $codeMirrorContainer[0].getAttribute('data-lang');
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        $codeMirrorContainer.removeAttr('contentEditable');
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        let $pre = $('<pre></pre>');
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        $pre.append($('<code></code>').each((index, elem) => {
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            // Needs to be textContent since innerText produces BR:s
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            elem.textContent = code;
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        }).attr('class', `language-${lang}`));
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        $codeMirrorContainer.replaceWith($pre);
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    }
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    window.tinymce.PluginManager.add('codeeditor', function(editor, url) {
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        let $ = editor.$;
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        editor.addButton('codeeditor', {
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            text: 'Code block',
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            icon: false,
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            cmd: 'codeeditor'
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        });
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        editor.addCommand('codeeditor', () => {
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            showPopup(editor);
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        });
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        // Convert
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        editor.on('PreProcess', function (e) {
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            $('div.CodeMirrorContainer', e.node).
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            each((index, elem) => {
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                let $elem = $(elem);
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                codeMirrorContainerToPre($elem);
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            });
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        });
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        editor.on('dblclick', event => {
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            let selectedNode = editor.selection.getNode();
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            if (!elemIsCodeBlock(selectedNode)) return;
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            showPopup(editor);
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        });
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        editor.on('SetContent', function () {
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            // Recover broken codemirror instances
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            $('.CodeMirrorContainer').filter((index ,elem) => {
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                return typeof elem.querySelector('.CodeMirror').CodeMirror === 'undefined';
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            }).each((index, elem) => {
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                codeMirrorContainerToPre($(elem));
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            });
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            let codeSamples = $('body > pre').filter((index, elem) => {
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                return elem.contentEditable !== "false";
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            });
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            if (!codeSamples.length) return;
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            editor.undoManager.transact(function () {
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                codeSamples.each((index, elem) => {
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                    Code.wysiwygView(elem);
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                });
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            });
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        });
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    });
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}
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function hrPlugin() {
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    window.tinymce.PluginManager.add('customhr', function (editor) {
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        editor.addCommand('InsertHorizontalRule', function () {
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            let hrElem = document.createElement('hr');
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            let cNode = editor.selection.getNode();
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            let parentNode = cNode.parentNode;
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            parentNode.insertBefore(hrElem, cNode);
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        });
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        editor.addButton('hr', {
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            icon: 'hr',
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            tooltip: 'Horizontal line',
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            cmd: 'InsertHorizontalRule'
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        });
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        editor.addMenuItem('hr', {
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            icon: 'hr',
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            text: 'Horizontal line',
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            cmd: 'InsertHorizontalRule',
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            context: 'insert'
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        });
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    });
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}
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module.exports = function() {
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    hrPlugin();
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    codePlugin();
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    let settings = {
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        selector: '#html-editor',
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        content_css: [
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            window.baseUrl('/css/styles.css'),
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            window.baseUrl('/libs/material-design-iconic-font/css/material-design-iconic-font.min.css')
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        ],
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        branding: false,
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        body_class: 'page-content',
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        browser_spellcheck: true,
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        relative_urls: false,
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        remove_script_host: false,
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        document_base_url: window.baseUrl('/'),
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        statusbar: false,
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        menubar: false,
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        paste_data_images: false,
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        extended_valid_elements: 'pre[*]',
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        automatic_uploads: false,
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        valid_children: "-div[p|h1|h2|h3|h4|h5|h6|blockquote],+div[pre]",
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        plugins: "image table textcolor paste link autolink fullscreen imagetools code customhr autosave lists codeeditor",
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        imagetools_toolbar: 'imageoptions',
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        toolbar: "undo redo | styleselect | bold italic underline strikethrough superscript subscript | forecolor backcolor | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | table image-insert link hr | removeformat code fullscreen",
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        content_style: "body {padding-left: 15px !important; padding-right: 15px !important; margin:0!important; margin-left:auto!important;margin-right:auto!important;}",
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        style_formats: [
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            {title: "Header Large", format: "h2"},
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            {title: "Header Medium", format: "h3"},
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            {title: "Header Small", format: "h4"},
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            {title: "Header Tiny", format: "h5"},
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            {title: "Paragraph", format: "p", exact: true, classes: ''},
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            {title: "Blockquote", format: "blockquote"},
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            {title: "Code Block", icon: "code", cmd: 'codeeditor', format: 'codeeditor'},
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            {title: "Inline Code", icon: "code", inline: "code"},
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            {title: "Callouts", items: [
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                {title: "Info", format: 'calloutinfo'},
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                {title: "Success", format: 'calloutsuccess'},
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                {title: "Warning", format: 'calloutwarning'},
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                {title: "Danger", format: 'calloutdanger'}
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            ]},
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        ],
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        style_formats_merge: false,
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        formats: {
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            codeeditor: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div'},
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            alignleft: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-left'},
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            aligncenter: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-center'},
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            alignright: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-right'},
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            calloutsuccess: {block: 'p', exact: true, attributes: {class: 'callout success'}},
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            calloutinfo: {block: 'p', exact: true, attributes: {class: 'callout info'}},
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            calloutwarning: {block: 'p', exact: true, attributes: {class: 'callout warning'}},
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            calloutdanger: {block: 'p', exact: true, attributes: {class: 'callout danger'}}
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        },
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        file_browser_callback: function (field_name, url, type, win) {
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            if (type === 'file') {
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                window.EntitySelectorPopup.show(function(entity) {
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                    let originalField = win.document.getElementById(field_name);
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                    originalField.value = entity.link;
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                    $(originalField).closest('.mce-form').find('input').eq(2).val(entity.name);
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                });
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            }
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            if (type === 'image') {
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                // Show image manager
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                window.ImageManager.show(function (image) {
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                    // Set popover link input to image url then fire change event
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                    // to ensure the new value sticks
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                    win.document.getElementById(field_name).value = image.url;
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                    if ("createEvent" in document) {
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                        let evt = document.createEvent("HTMLEvents");
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                        evt.initEvent("change", false, true);
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                        win.document.getElementById(field_name).dispatchEvent(evt);
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                    } else {
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                        win.document.getElementById(field_name).fireEvent("onchange");
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                    }
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                    // Replace the actively selected content with the linked image
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                    let html = `<a href="${image.url}" target="_blank">`;
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                    html += `<img src="${image.thumbs.display}" alt="${image.name}">`;
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                    html += '</a>';
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                    win.tinyMCE.activeEditor.execCommand('mceInsertContent', false, html);
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                });
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            }
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        },
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        paste_preprocess: function (plugin, args) {
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            let content = args.content;
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            if (content.indexOf('<img src="file://') !== -1) {
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                args.content = '';
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            }
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        },
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        extraSetups: [],
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        setup: function (editor) {
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            // Run additional setup actions
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            // Used by the angular side of things
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            for (let i = 0; i < settings.extraSetups.length; i++) {
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                settings.extraSetups[i](editor);
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            }
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            registerEditorShortcuts(editor);
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            let wrap;
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            function hasTextContent(node) {
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                return node && !!( node.textContent || node.innerText );
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            }
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            editor.on('dragstart', function () {
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                let node = editor.selection.getNode();
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                if (node.nodeName !== 'IMG') return;
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                wrap = editor.dom.getParent(node, '.mceTemp');
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                if (!wrap && node.parentNode.nodeName === 'A' && !hasTextContent(node.parentNode)) {
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                    wrap = node.parentNode;
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                }
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            });
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            editor.on('drop', function (event) {
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                let dom = editor.dom,
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                    rng = tinymce.dom.RangeUtils.getCaretRangeFromPoint(event.clientX, event.clientY, editor.getDoc());
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                // Don't allow anything to be dropped in a captioned image.
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                if (dom.getParent(rng.startContainer, '.mceTemp')) {
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                    event.preventDefault();
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                } else if (wrap) {
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                    event.preventDefault();
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                    editor.undoManager.transact(function () {
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                        editor.selection.setRng(rng);
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                        editor.selection.setNode(wrap);
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                        dom.remove(wrap);
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                    });
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                }
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                wrap = null;
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            });
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            // Custom Image picker button
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            editor.addButton('image-insert', {
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                title: 'My title',
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                icon: 'image',
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                tooltip: 'Insert an image',
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                onclick: function () {
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                    window.ImageManager.show(function (image) {
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                        let html = `<a href="${image.url}" target="_blank">`;
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                        html += `<img src="${image.thumbs.display}" alt="${image.name}">`;
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                        html += '</a>';
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                        editor.execCommand('mceInsertContent', false, html);
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                    });
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                }
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            });
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            // Paste image-uploads
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            editor.on('paste', function(event) {
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                editorPaste(event, editor);
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            });
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        }
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    };
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    return settings;
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}; |