/** * Roundcube editor js library * * This file is part of the Roundcube Webmail client * * @licstart The following is the entire license notice for the * JavaScript code in this file. * * Copyright (c) 2006-2014, The Roundcube Dev Team * * The JavaScript code in this page is free software: you can * redistribute it and/or modify it under the terms of the GNU * General Public License (GNU GPL) as published by the Free Software * Foundation, either version 3 of the License, or (at your option) * any later version. The code is distributed WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU GPL for more details. * * As additional permission under GNU GPL version 3 section 7, you * may distribute non-source (e.g., minimized or compacted) forms of * that code without the copy of the GNU GPL normally required by * section 4, provided you include this license notice and a URL * through which recipients can access the Corresponding Source. * * @licend The above is the entire license notice * for the JavaScript code in this file. * * @author Eric Stadtherr * @author Aleksander Machniak */ /** * Roundcube Text Editor Widget class * @constructor */ function rcube_text_editor(config, id) { var ref = this, abs_url = location.href.replace(/[?#].*$/, '').replace(/\/$/, ''), conf = { selector: '#' + ($('#' + id).is('.mce_editor') ? id : 'fake-editor-id'), cache_suffix: 's=4050700', theme: 'modern', language: config.lang, content_css: rcmail.assets_path('program/resources/tinymce/content.css'), menubar: false, statusbar: false, toolbar_items_size: 'small', extended_valid_elements: 'font[face|size|color|style],span[id|class|align|style]', relative_urls: false, remove_script_host: false, convert_urls: false, // #1486944 image_description: false, paste_webkit_style: "color font-size font-family", paste_data_images: true, browser_spellcheck: true }; // register spellchecker for plain text editor this.spellcheck_observer = function() {}; if (config.spellchecker) { this.spellchecker = config.spellchecker; if (config.spellcheck_observer) { this.spellchecker.spelling_state_observer = this.spellcheck_observer = config.spellcheck_observer; } } // secure spellchecker requests with Roundcube token // Note: must be registered only once (#1490311) if (!tinymce.registered_request_token) { tinymce.registered_request_token = true; tinymce.util.XHR.on('beforeSend', function(e) { e.xhr.setRequestHeader('X-Roundcube-Request', rcmail.env.request_token); }); } // minimal editor if (config.mode == 'identity') { $.extend(conf, { plugins: 'autolink charmap code colorpicker hr image link paste tabfocus textcolor', toolbar: 'bold italic underline alignleft aligncenter alignright alignjustify' + ' | outdent indent charmap hr link unlink image code forecolor' + ' | fontselect fontsizeselect', file_browser_callback: function(name, url, type, win) { ref.file_browser_callback(name, url, type); }, file_browser_callback_types: 'image' }); } // full-featured editor else { $.extend(conf, { plugins: 'autolink charmap code colorpicker directionality link lists image media nonbreaking' + ' paste table tabfocus textcolor searchreplace spellchecker', toolbar: 'bold italic underline | alignleft aligncenter alignright alignjustify' + ' | bullist numlist outdent indent ltr rtl blockquote | forecolor backcolor | fontselect fontsizeselect' + ' | link unlink table | $extra charmap image media | code searchreplace undo redo', spellchecker_rpc_url: abs_url + '/?_task=utils&_action=spell_html&_remote=1', spellchecker_language: rcmail.env.spell_lang, accessibility_focus: false, file_browser_callback: function(name, url, type, win) { ref.file_browser_callback(name, url, type); }, // @todo: support more than image (types: file, image, media) file_browser_callback_types: 'image media' }); } // add TinyMCE plugins/buttons from Roundcube plugin $.each(config.extra_plugins || [], function() { if (conf.plugins.indexOf(this) < 0) conf.plugins = conf.plugins + ' ' + this; }); $.each(config.extra_buttons || [], function() { if (conf.toolbar.indexOf(this) < 0) conf.toolbar = conf.toolbar.replace('$extra', '$extra ' + this); }); // disable TinyMCE plugins/buttons from Roundcube plugin $.each(config.disabled_plugins || [], function() { conf.plugins = conf.plugins.replace(this, ''); }); $.each(config.disabled_buttons || [], function() { conf.toolbar = conf.toolbar.replace(this, ''); }); conf.toolbar = conf.toolbar.replace('$extra', '').replace(/\|\s+\|/g, '|'); // support external configuration settings e.g. from skin if (window.rcmail_editor_settings) $.extend(conf, window.rcmail_editor_settings); conf.setup = function(ed) { ed.on('init', function(ed) { ref.init_callback(ed); }); // add handler for spellcheck button state update ed.on('SpellcheckStart SpellcheckEnd', function(args) { ref.spellcheck_active = args.type == 'spellcheckstart'; ref.spellcheck_observer(); }); ed.on('keypress', function() { rcmail.compose_type_activity++; }); }; rcmail.triggerEvent('editor-init', {config: conf, ref: ref}); // textarea identifier this.id = id; // reference to active editor (if in HTML mode) this.editor = null; tinymce.init(conf); // react to real individual tinyMCE editor init this.init_callback = function(event) { this.editor = event.target; if (rcmail.env.action != 'compose') { return; } var area = $('#' + this.id), height = $('div.mce-toolbar-grp:first', area.parent()).height(); // the editor might be still not fully loaded, making the editing area // inaccessible, wait and try again (#1490310) if (height > 200 || height > area.height()) { return setTimeout(function () { ref.init_callback(event); }, 300); } var css = {}, elem = rcube_find_object('_from'), fe = rcmail.env.compose_focus_elem; if (rcmail.env.default_font) css['font-family'] = rcmail.env.default_font; if (rcmail.env.default_font_size) css['font-size'] = rcmail.env.default_font_size; if (css['font-family'] || css['font-size']) $(this.editor.getBody()).css(css); if (elem && elem.type == 'select-one') { // insert signature (only for the first time) if (!rcmail.env.identities_initialized) rcmail.change_identity(elem); // Focus previously focused element if (fe && fe.id != this.id) { window.focus(); // for WebKit (#1486674) fe.focus(); rcmail.env.compose_focus_elem = null; } } // set tabIndex and set focus to element that was focused before ref.tabindex(fe && fe.id == ref.id); // Trigger resize (needed for proper editor resizing in some browsers) $(window).resize(); }; // set tabIndex on tinymce editor this.tabindex = function(focus) { if (rcmail.env.task == 'mail' && this.editor) { var textarea = this.editor.getElement(), body = this.editor.getBody(), node = this.editor.getContentAreaContainer().childNodes[0]; if (textarea && node) node.tabIndex = textarea.tabIndex; // find :prev and :next elements to get focus when tabbing away if (textarea.tabIndex > 0) { var x = null, tabfocus_elements = [':prev',':next'], el = tinymce.DOM.select('*[tabindex='+textarea.tabIndex+']:not(iframe)'); tinymce.each(el, function(e, i) { if (e.id == ref.id) { x = i; return false; } }); if (x !== null) { if (el[x-1] && el[x-1].id) { tabfocus_elements[0] = el[x-1].id; } if (el[x+1] && el[x+1].id) { tabfocus_elements[1] = el[x+1].id; } this.editor.settings.tabfocus_elements = tabfocus_elements.join(','); } } // ContentEditable reset fixes invisible cursor issue in Firefox < 25 if (bw.mz && bw.vendver < 25) $(body).prop('contenteditable', false).prop('contenteditable', true); if (focus) body.focus(); } }; // switch html/plain mode this.toggle = function(ishtml, noconvert) { var curr, content, result, // these non-printable chars are not removed on text2html and html2text // we can use them as temp signature replacement sig_mark = "\u0002\u0003", input = $('#' + this.id), signature = rcmail.env.identity ? rcmail.env.signatures[rcmail.env.identity] : null, is_sig = signature && signature.text && signature.text.length > 1; // apply spellcheck changes if spell checker is active this.spellcheck_stop(); if (ishtml) { content = input.val(); // replace current text signature with temp mark if (is_sig) { content = content.replace(/\r\n/, "\n"); content = content.replace(signature.text.replace(/\r\n/, "\n"), sig_mark); } var init_editor = function(data) { // replace signature mark with html version of the signature if (is_sig) data = data.replace(sig_mark, '
' + signature.html + '
'); input.val(data); tinymce.execCommand('mceAddEditor', false, ref.id); if (ref.editor) { var body = $(ref.editor.getBody()); // #1486593 ref.tabindex(true); // put cursor on start of the compose body ref.editor.selection.setCursorLocation(body.children().first().get(0)); } }; // convert to html if (!noconvert) { result = rcmail.plain2html(content, init_editor); } else { init_editor(content); result = true; } } else if (this.editor) { if (is_sig) { // get current version of signature, we'll need it in // case of html2text conversion abort if (curr = this.editor.dom.get('_rc_sig')) curr = curr.innerHTML; // replace current signature with some non-printable characters // we use non-printable characters, because this replacement // is visible to the user // doing this after getContent() would be hard this.editor.dom.setHTML('_rc_sig', sig_mark); } // get html content content = this.editor.getContent(); var init_plaintext = function(data) { tinymce.execCommand('mceRemoveEditor', false, ref.id); ref.editor = null; // replace signture mark with text version of the signature if (is_sig) data = data.replace(sig_mark, "\n" + signature.text); input.val(data).focus(); rcmail.set_caret_pos(input.get(0), 0); }; // convert html to text if (!noconvert) { result = rcmail.html2plain(content, init_plaintext); } else { init_plaintext(input.val()); result = true; } // bring back current signature if (!result && curr) this.editor.dom.setHTML('_rc_sig', curr); } return result; }; // start spellchecker this.spellcheck_start = function() { if (this.editor) { tinymce.execCommand('mceSpellCheck', true); this.spellcheck_observer(); } else if (this.spellchecker && this.spellchecker.spellCheck) { this.spellchecker.spellCheck(); } }; // stop spellchecker this.spellcheck_stop = function() { var ed = this.editor; if (ed) { if (ed.plugins && ed.plugins.spellchecker && this.spellcheck_active) { ed.execCommand('mceSpellCheck', false); this.spellcheck_observer(); } } else if (ed = this.spellchecker) { if (ed.state && ed.state != 'ready' && ed.state != 'no_error_found') $(ed.spell_span).trigger('click'); } }; // spellchecker state this.spellcheck_state = function() { var ed; if (this.editor) return this.spellcheck_active; else if ((ed = this.spellchecker) && ed.state) return ed.state != 'ready' && ed.state != 'no_error_found'; }; // resume spellchecking, highlight provided mispellings without a new ajax request this.spellcheck_resume = function(data) { var ed = this.editor; if (ed) { ed.plugins.spellchecker.markErrors(data); } else if (ed = this.spellchecker) { ed.prepare(false, true); ed.processData(data); } }; // get selected (spellcheker) language this.get_language = function() { if (this.editor) { return this.editor.settings.spellchecker_language || rcmail.env.spell_lang; } else if (this.spellchecker) { return GOOGIE_CUR_LANG; } }; // set language for spellchecking this.set_language = function(lang) { var ed = this.editor; if (ed) { ed.settings.spellchecker_language = lang; } if (ed = this.spellchecker) { ed.setCurrentLanguage(lang); } }; // replace selection with text snippet // input can be a string or object with 'text' and 'html' properties this.replace = function(input) { var format, ed = this.editor; if (!input) return false; // insert into tinymce editor if (ed) { ed.getWin().focus(); // correct focus in IE & Chrome if ($.type(input) == 'object' && ('html' in input)) { input = input.html; format = 'html'; } else { if ($.type(input) == 'object') input = input.text || ''; input = rcmail.quote_html(input).replace(/\r?\n/g, '
'); format = 'text'; } ed.selection.setContent(input, {format: format}); } // replace selection in compose textarea else if (ed = rcube_find_object(this.id)) { var selection = $(ed).is(':focus') ? rcmail.get_input_selection(ed) : {start: 0, end: 0}, value = ed.value; pre = value.substring(0, selection.start), end = value.substring(selection.end, value.length); if ($.type(input) == 'object') input = input.text || ''; // insert response text ed.value = pre + input + end; // set caret after inserted text rcmail.set_caret_pos(ed, selection.start + input.length); ed.focus(); } }; // get selected text (if no selection returns all text) from the editor this.get_content = function(args) { var sigstart, ed = this.editor, text = '', strip = false, defaults = {refresh: true, selection: false, nosig: false, format: 'html'}; args = $.extend(defaults, args); // apply spellcheck changes if spell checker is active if (args.refresh) { this.spellcheck_stop(); } // get selected text from tinymce editor if (ed) { if (args.selection) text = ed.selection.getContent({format: args.format}); if (!text) { text = ed.getContent({format: args.format}); // @todo: strip signature in html mode strip = args.format == 'text'; } } // get selected text from compose textarea else if (ed = rcube_find_object(this.id)) { if (args.selection && $(ed).is(':focus')) { text = rcmail.get_input_selection(ed).text; } if (!text) { text = ed.value; strip = true; } } // strip off signature // @todo: make this optional if (strip && args.nosig) { sigstart = text.indexOf('-- \n'); if (sigstart > 0) { text = text.substring(0, sigstart); } } return text; }; // change user signature text this.change_signature = function(id, show_sig) { var position_element, cursor_pos, p = -1, input_message = $('#' + this.id), message = input_message.val(), sig = rcmail.env.identity; if (!this.editor) { // plain text mode // remove the 'old' signature if (show_sig && sig && rcmail.env.signatures && rcmail.env.signatures[sig]) { sig = rcmail.env.signatures[sig].text; sig = sig.replace(/\r\n/g, '\n'); p = rcmail.env.top_posting ? message.indexOf(sig) : message.lastIndexOf(sig); if (p >= 0) message = message.substring(0, p) + message.substring(p+sig.length, message.length); } // add the new signature string if (show_sig && rcmail.env.signatures && rcmail.env.signatures[id]) { sig = rcmail.env.signatures[id].text; sig = sig.replace(/\r\n/g, '\n'); // in place of removed signature if (p >= 0) { message = message.substring(0, p) + sig + message.substring(p, message.length); cursor_pos = p - 1; } // empty message or new-message mode else if (!message || !rcmail.env.compose_mode) { cursor_pos = message.length; message += '\n\n' + sig; } else if (rcmail.env.top_posting && !rcmail.env.sig_below) { // at cursor position if (pos = rcmail.get_caret_pos(input_message.get(0))) { message = message.substring(0, pos) + '\n' + sig + '\n\n' + message.substring(pos, message.length); cursor_pos = pos; } // on top else { message = '\n\n' + sig + '\n\n' + message.replace(/^[\r\n]+/, ''); cursor_pos = 0; } } else { message = message.replace(/[\r\n]+$/, ''); cursor_pos = !rcmail.env.top_posting && message.length ? message.length + 1 : 0; message += '\n\n' + sig; } } else { cursor_pos = rcmail.env.top_posting ? 0 : message.length; } input_message.val(message); // move cursor before the signature rcmail.set_caret_pos(input_message.get(0), cursor_pos); } else if (show_sig && rcmail.env.signatures) { // html var sigElem = this.editor.dom.get('_rc_sig'); // Append the signature as a div within the body if (!sigElem) { var body = this.editor.getBody(); sigElem = $('
').get(0); // insert at start or at cursor position in top-posting mode // (but not if the content is empty and not in new-message mode) if (rcmail.env.top_posting && !rcmail.env.sig_below && rcmail.env.compose_mode && (body.childNodes.length > 1 || $(body).text()) ) { this.editor.getWin().focus(); // correct focus in IE & Chrome var node = this.editor.selection.getNode(); $(sigElem).insertBefore(node.nodeName == 'BODY' ? body.firstChild : node.nextSibling); $('

').append($('
')).insertBefore(sigElem); } else { body.appendChild(sigElem); position_element = rcmail.env.top_posting && rcmail.env.compose_mode ? body.firstChild : $(sigElem).prev(); } } sigElem.innerHTML = rcmail.env.signatures[id] ? rcmail.env.signatures[id].html : ''; } else if (!rcmail.env.top_posting) { position_element = $(this.editor.getBody()).children().last(); } // put cursor before signature and scroll the window if (this.editor && position_element && position_element.length) { this.editor.selection.setCursorLocation(position_element.get(0)); this.editor.getWin().scroll(0, position_element.offset().top); } }; // trigger content save this.save = function() { if (this.editor) { this.editor.save(); } }; // focus the editing area this.focus = function() { (this.editor || rcube_find_object(this.id)).focus(); }; // image selector this.file_browser_callback = function(field_name, url, type) { var i, elem, cancel, dialog, fn, list = []; // open image selector dialog dialog = this.editor.windowManager.open({ title: rcmail.get_label('select' + type), width: 500, height: 300, html: '

    ' + '
    ', buttons: [{text: 'Cancel', onclick: function() { ref.file_browser_close(); }}] }); rcmail.env.file_browser_field = field_name; rcmail.env.file_browser_type = type; // fill images list with available images for (i in rcmail.env.attachments) { if (elem = ref.file_browser_entry(i, rcmail.env.attachments[i])) { list.push(elem); } } if (list.length) { $('#image-selector-list > ul').append(list).find('li:first').focus(); } // add hint about max file size (in dialog footer) $('div.mce-abs-end', dialog.getEl()).append($('
    ') .text($('div.hint', rcmail.gui_objects.uploadform).text())); // init upload button elem = $('#image-upload-button').append($('').text(rcmail.get_label('add' + type))); cancel = elem.parents('.mce-panel').find('button:last').parent(); // we need custom Tab key handlers, until we find out why // tabindex do not work here as expected elem.keydown(function(e) { if (e.which == 9) { // on Tab + Shift focus first file if (rcube_event.get_modifier(e) == SHIFT_KEY) $('#image-selector-list li:last').focus(); // on Tab focus Cancel button else cancel.focus(); return false; } }); cancel.keydown(function(e) { if (e.which == 9) { // on Tab + Shift focus upload button if (rcube_event.get_modifier(e) == SHIFT_KEY) elem.focus(); else $('#image-selector-list li:first').focus(); return false; } }); // enable (smart) upload button this.hack_file_input(elem, rcmail.gui_objects.uploadform); // enable drag-n-drop area if ((window.XMLHttpRequest && XMLHttpRequest.prototype && XMLHttpRequest.prototype.sendAsBinary) || window.FormData) { if (!rcmail.env.filedrop) { rcmail.env.filedrop = {}; } if (rcmail.gui_objects.filedrop) { rcmail.env.old_file_drop = rcmail.gui_objects.filedrop; } rcmail.gui_objects.filedrop = $('#image-selector-form'); rcmail.gui_objects.filedrop.addClass('droptarget') .on('dragover dragleave', function(e) { e.preventDefault(); e.stopPropagation(); $(this)[(e.type == 'dragover' ? 'addClass' : 'removeClass')]('hover'); }) .get(0).addEventListener('drop', function(e) { return rcmail.file_dropped(e); }, false); } // register handler for successful file upload if (!rcmail.env.file_dialog_event) { rcmail.env.file_dialog_event = true; rcmail.addEventListener('fileuploaded', function(attr) { var elem; if (elem = ref.file_browser_entry(attr.name, attr.attachment)) { $('#image-selector-list > ul').prepend(elem); elem.focus(); } }); } // @todo: upload progress indicator }; // close file browser window this.file_browser_close = function(url) { var input = $('#' + rcmail.env.file_browser_field); if (url) input.val(url); this.editor.windowManager.close(); input.focus(); if (rcmail.env.old_file_drop) rcmail.gui_objects.filedrop = rcmail.env.old_file_drop; }; // creates file browser entry this.file_browser_entry = function(file_id, file) { if (!file.complete || !file.mimetype) { return; } if (rcmail.file_upload_id) { rcmail.set_busy(false, null, rcmail.file_upload_id); } var rx, img_src; switch (rcmail.env.file_browser_type) { case 'image': rx = /^image\//i; break; case 'media': rx = /^video\//i; img_src = 'program/resources/tinymce/video.png'; break; default: return; } if (rx.test(file.mimetype)) { var path = rcmail.env.comm_path + '&_from=' + rcmail.env.action, action = rcmail.env.compose_id ? '&_id=' + rcmail.env.compose_id + '&_action=display-attachment' : '&_action=upload-display', href = path + action + '&_file=' + file_id, img = $('').attr({title: file.name, src: img_src ? img_src : href + '&_thumbnail=1'}); return $('
  • ').attr({tabindex: 0}) .data('url', href) .append($('').append(img)) .append($('').text(file.name)) .click(function() { ref.file_browser_close($(this).data('url')); }) .keydown(function(e) { if (e.which == 13) { ref.file_browser_close($(this).data('url')); } // we need custom Tab key handlers, until we find out why // tabindex do not work here as expected else if (e.which == 9) { if (rcube_event.get_modifier(e) == SHIFT_KEY) { if (!$(this).prev().focus().length) $('#image-upload-button').parents('.mce-panel').find('button:last').parent().focus(); } else { if (!$(this).next().focus().length) $('#image-upload-button').focus(); } return false; } }); } }; // create smart files upload button this.hack_file_input = function(elem, clone_form) { var offset, link = $(elem), file = $('').attr('name', '_file[]'), form = $('
    ').attr({method: 'post', enctype: 'multipart/form-data'}); // clone existing upload form if (clone_form) { file.attr('name', $('input[type="file"]', clone_form).attr('name')); form.attr('action', $(clone_form).attr('action')) .append($('').attr({type: 'hidden', name: '_token', value: rcmail.env.request_token})); } function move_file_input(e) { if (!offset) offset = link.offset(); file.css({top: (e.pageY - offset.top - 10) + 'px', left: (e.pageX - offset.left - 10) + 'px'}); } file.attr({type: 'file', multiple: 'multiple', size: 5, title: '', tabindex: -1}) .change(function() { rcmail.upload_file(form, 'upload'); }) .click(function() { setTimeout(function() { link.mouseleave(); }, 20); }) // opacity:0 does the trick, display/visibility doesn't work .css({opacity: 0, cursor: 'pointer', position: 'relative', outline: 'none'}) .appendTo(form); // In FF and IE we need to move the browser file-input's button under the cursor // Thanks to the size attribute above we know the length of the input field if (navigator.userAgent.match(/Firefox|MSIE/)) file.css({marginLeft: '-80px'}); // Note: now, I observe problem with cursor style on FF < 4 only link.css({overflow: 'hidden', cursor: 'pointer'}) .mouseenter(function() { this.__active = true; }) // place button under the cursor .mousemove(function(e) { if (this.__active) move_file_input(e); // move the input away if button is disabled else $(this).mouseleave(); }) .mouseleave(function() { file.css({top: '-10000px', left: '-10000px'}); this.__active = false; }) .click(function(e) { // forward click if mouse-enter event was missed if (!this.__active) { this.__active = true; move_file_input(e); file.trigger(e); } }) .keydown(function(e) { if (e.which == 13) file.trigger('click'); }) .mouseleave() .append(form); }; }