diff options
Diffstat (limited to 'program/js/editor.js')
| -rw-r--r-- | program/js/editor.js | 744 |
1 files changed, 541 insertions, 203 deletions
diff --git a/program/js/editor.js b/program/js/editor.js index 280eb2ae1..6540bd56a 100644 --- a/program/js/editor.js +++ b/program/js/editor.js @@ -26,13 +26,18 @@ * for the JavaScript code in this file. * * @author Eric Stadtherr <estadtherr@gmail.com> + * @author Aleksander Machniak <alec@alec.pl> */ -// Initialize HTML editor -function rcmail_editor_init(config) +/** + * Roundcube Text Editor Widget class + * @constructor + */ +function rcube_text_editor(config, id) { - var ret, conf = { - selector: '.mce_editor', + var ref = this, + conf = { + selector: '#' + ($('#' + id).is('.mce_editor') ? id : 'fake-editor-id'), theme: 'modern', language: config.lang, content_css: config.skin_path + '/editor_content.css?v2', @@ -48,14 +53,26 @@ function rcmail_editor_init(config) paste_data_images: true }; - if (config.mode == 'identity') + // 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; + } + } + + // minimal editor + if (config.mode == 'identity') { $.extend(conf, { plugins: ['autolink charmap code hr link paste tabfocus textcolor'], toolbar: 'bold italic underline alignleft aligncenter alignright alignjustify' + ' | outdent indent charmap hr link unlink code forecolor' + ' | fontselect fontsizeselect' }); - else { // mail compose + } + // full-featured editor + else { $.extend(conf, { plugins: ['autolink charmap code directionality emoticons link image media nonbreaking' + ' paste table tabfocus textcolor searchreplace' + (config.spellcheck ? ' spellchecker' : '')], @@ -65,251 +82,572 @@ function rcmail_editor_init(config) spellchecker_rpc_url: '../../../../../?_task=utils&_action=spell_html&_remote=1', spellchecker_language: rcmail.env.spell_lang, accessibility_focus: false, - file_browser_callback: rcmail_file_browser_callback, + 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' }); - - conf.setup = function(ed) { - ed.on('init', rcmail_editor_callback); - // add handler for spellcheck button state update - ed.on('SpellcheckStart SpellcheckEnd', function(args) { - rcmail.env.spellcheck_active = args.type == 'spellcheckstart'; - rcmail.spellcheck_state(); - }); - ed.on('keypress', function() { - rcmail.compose_type_activity++; - }); - } } // 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++; + }); + }; + + // 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 -function rcmail_editor_callback() -{ - var css = {}, - elem = rcube_find_object('_from'), - fe = rcmail.env.compose_focus_elem; + // react to real individual tinyMCE editor init + this.init_callback = function(event) + { + this.editor = event.target; + + if (rcmail.env.action != 'compose') { + return; + } - if (rcmail.env.default_font) - css['font-family'] = rcmail.env.default_font; + var css = {}, + elem = rcube_find_object('_from'), + fe = rcmail.env.compose_focus_elem; - if (rcmail.env.default_font_size) - css['font-size'] = rcmail.env.default_font_size; + if (rcmail.env.default_font) + css['font-family'] = rcmail.env.default_font; - if (css['font-family'] || css['font-size']) - $(tinymce.get(rcmail.env.composebody).getBody()).css(css); + if (rcmail.env.default_font_size) + css['font-size'] = rcmail.env.default_font_size; - if (elem && elem.type == 'select-one') { - // insert signature (only for the first time) - if (!rcmail.env.identities_initialized) - rcmail.change_identity(elem); + if (css['font-family'] || css['font-size']) + $(this.editor.getBody()).css(css); - // Focus previously focused element - if (fe && fe.id != rcmail.env.composebody) { - // use setTimeout() for IE9 (#1488541) - window.setTimeout(function() { - window.focus(); // for WebKit (#1486674) - fe.focus(); - }, 10); + 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) { + // use setTimeout() for IE9 (#1488541) + window.setTimeout(function() { + window.focus(); // for WebKit (#1486674) + fe.focus(); + }, 10); + } } - } - // set tabIndex and set focus to element that was focused before - rcmail_editor_tabindex(fe && fe.id == rcmail.env.composebody); - // Trigger resize (needed for proper editor resizing in some browsers) - window.setTimeout(function() { $(window).resize(); }, 100); -} + // set tabIndex and set focus to element that was focused before + this.tabindex(fe && fe.id == this.id); + // Trigger resize (needed for proper editor resizing in some browsers) + window.setTimeout(function() { $(window).resize(); }, 100); + }; -// set tabIndex on tinymce editor -function rcmail_editor_tabindex(focus) -{ - if (rcmail.env.task == 'mail') { - var editor = tinymce.get(rcmail.env.composebody); - if (editor) { - var textarea = editor.getElement(), - node = editor.getContentAreaContainer().childNodes[0]; + // set tabIndex on tinymce editor + this.tabindex = function(focus) + { + if (rcmail.env.task == 'mail' && this.editor) { + var textarea = this.editor.getElement(), + node = this.editor.getContentAreaContainer().childNodes[0]; if (textarea && node) node.tabIndex = textarea.tabIndex; if (focus) - editor.getBody().focus(); + this.editor.getBody().focus(); } - } -} + }; -// switch html/plain mode -function rcmail_toggle_editor(select, textAreaId) -{ - var ishtml = select.tagName != 'SELECT' ? select.checked : select.value == 'html', - res = rcmail.command('toggle-editor', {id: textAreaId, mode: ishtml ? 'html' : 'plain'}); + // switch html/plain mode + this.toggle = function(ishtml) + { + 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; - if (!res) { - if (select.tagName == 'SELECT') - select.value = 'html'; - else if (select.tagName == 'INPUT') - select.checked = true; - } - else if (ishtml) { - // #1486593 - setTimeout("rcmail_editor_tabindex(true);", 500); - } - else if (rcmail.env.composebody) { - rcube_find_object(rcmail.env.composebody).focus(); - } -} + // apply spellcheck changes if spell checker is active + this.spellcheck_stop(); -// image selector -function rcmail_file_browser_callback(field_name, url, type, win) -{ - var i, elem, dialog, list = [], editor = tinyMCE.activeEditor; + if (ishtml) { + content = input.val(); - // open image selector dialog - dialog = editor.windowManager.open({ - title: rcmail.gettext('select' + type), - width: 500, - height: 300, - html: '<div id="image-selector-list"><ul></ul></div>' - + '<div id="image-selector-form"><div id="image-upload-button" class="mce-widget mce-btn" role="button"></div></div>', - buttons: [{text: 'Cancel', onclick: function() { rcmail_file_browser_close(); }}] - }); + // replace current text signature with temp mark + if (is_sig) + content = content.replace(signature.text, sig_mark); - rcmail.env.file_browser_field = field_name; - rcmail.env.file_browser_type = type; + // convert to html + result = rcmail.plain2html(content, function(data) { + // replace signature mark with html version of the signature + if (is_sig) + data = data.replace(sig_mark, '<div id="_rc_sig">' + signature.html + '</div>'); - // fill images list with available images - for (i in rcmail.env.attachments) { - if (elem = rcmail_file_browser_entry(i, rcmail.env.attachments[i])) { - list.push(elem); + input.val(data); + tinymce.execCommand('mceAddEditor', false, ref.id); + + setTimeout(function() { + if (ref.editor) { + if (rcmail.env.default_font) + $(ref.editor.getBody()).css('font-family', rcmail.env.default_font); + // #1486593 + ref.tabindex(true); + } + }, 500); + }); } - } + 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; - if (list.length) { - $('#image-selector-list > ul').append(list); - } + // 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); + } - // add hint about max file size (in dialog footer) - $('div.mce-abs-end', dialog.getEl()).append($('<div class="hint">').text($('div.hint', rcmail.gui_objects.uploadform).text())); + // get html content + content = this.editor.getContent(); - // enable (smart) upload button - elem = $('#image-upload-button').append($('<span>').text(rcmail.gettext('add' + type))); - hack_file_input(elem, rcmail.gui_objects.uploadform); + // convert html to text + result = rcmail.html2plain(content, function(data) { + tinymce.execCommand('mceRemoveEditor', false, ref.id); + ref.editor = null; - // enable drag-n-drop area - if (rcmail.gui_objects.filedrop && rcmail.env.filedrop && ((window.XMLHttpRequest && XMLHttpRequest.prototype && XMLHttpRequest.prototype.sendAsBinary) || window.FormData)) { - rcmail.env.old_file_drop = rcmail.gui_objects.filedrop; - rcmail.gui_objects.filedrop = $('#image-selector-form'); - rcmail.gui_objects.filedrop.addClass('droptarget') - .bind('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); - } + // replace signture mark with text version of the signature + if (is_sig) + data = data.replace(sig_mark, "\n" + signature.text); - // 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 = rcmail_file_browser_entry(attr.name, attr.attachment)) { - $('#image-selector-list > ul').prepend(elem); - } - }); - } -} + input.val(data).focus(); + }); -// close file browser window -function rcmail_file_browser_close(url) -{ - if (url) - $('#' + rcmail.env.file_browser_field).val(url); + // bring back current signature + if (!result && curr) + this.editor.dom.setHTML('_rc_sig', curr); + } - tinyMCE.activeEditor.windowManager.close(); + return result; + }; - if (rcmail.env.old_file_drop) - rcmail.gui_objects.filedrop = rcmail.env.old_file_drop; -} + // 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(); + } + }; -// creates file browser entry -function rcmail_file_browser_entry(file_id, file) -{ - if (!file.complete || !file.mimetype) { - return; - } + // stop spellchecker + this.spellcheck_stop = function() + { + var ed = this.editor; + + if (ed) { + if (ed.plugins && ed.plugins.spellchecker && this.spellcheck_active) + ed.execCommand('mceSpellCheck'); + this.spellcheck_observer(); + } + else if (ed = this.spellchecker) { + if (ed.state && ed.state != 'ready' && ed.state != 'no_error_found') + $(ed.spell_span).trigger('click'); + } + }; - if (file.mimetype.startsWith('image/')) { - var href = rcmail.env.comm_path+'&_id='+rcmail.env.compose_id+'&_action=display-attachment&_file='+file_id, - img = $('<img>').attr({title: file.name, src: href + '&_thumbnail=1'}); + // spellchecker state + this.spellcheck_state = function() + { + var ed; - return $('<li>').data('url', href) - .append($('<span class="img">').append(img)) - .append($('<span class="name">').text(file.name)) - .click(function() { rcmail_file_browser_close($(this).data('url')); }); - } -} + if (this.editor) + return this.spellcheck_active; + else if ((ed = this.spellchecker) && ed.state) + return ed.state != 'ready' && ed.state != 'no_error_found'; + }; -// create smart files upload button -function hack_file_input(elem, clone_form) -{ - var link = $(elem), - file = $('<input>'), - form = $('<form>').attr({method: 'post', enctype: 'multipart/form-data'}), - offset = link.offset(); + // resume spellchecking, highlight provided mispellings without new ajax request + this.spellcheck_resume = function(data) + { + var ed = this.editor; - // clone existing upload form - if (clone_form) { - file.attr('name', $('input[type="file"]', clone_form).attr('name')); - form.attr('action', $(clone_form).attr('action')) - .append($('<input>').attr({type: 'hidden', name: '_token', value: rcmail.env.request_token})); - } + if (ed) { + ed.settings.spellchecker_callback = function(name, text, done, error) { done(data); }; + ed.execCommand('mceSpellCheck'); + ed.settings.spellchecker_callback = null; - function move_file_input(e) { - file.css({top: (e.pageY - offset.top - 10) + 'px', left: (e.pageX - offset.left - 10) + 'px'}); - } + this.spellcheck_observer(); + } + 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 + this.replace = function(text) + { + var ed = this.editor; + + // insert into tinymce editor + if (ed) { + ed.getWin().focus(); // correct focus in IE & Chrome + ed.selection.setContent(rcmail.quote_html(text).replace(/\r?\n/g, '<br/>'), { format:'text' }); + } + // 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 }, + inp_value = ed.value; + pre = inp_value.substring(0, selection.start), + end = inp_value.substring(selection.end, inp_value.length); + + // insert response text + ed.value = pre + text + end; + + // set caret after inserted text + rcmail.set_caret_pos(ed, selection.start + text.length); + ed.focus(); + } + }; + + // get selected text (if no selection returns all text) from the editor + this.get_content = function(selected, plain) + { + // apply spellcheck changes if spell checker is active + this.spellcheck_stop(); + + var sigstart, ed = this.editor, + format = plain ? 'text' : 'html', + text = '', strip = false; + + // get selected text from tinymce editor + if (ed) { + ed.getWin().focus(); // correct focus in IE & Chrome + if (selected) + text = ed.selection.getContent({format: format}); + + if (!text) { + text = ed.getContent({format: format}); + strip = true; + } + } + // get selected text from compose textarea + else if (ed = rcube_find_object(this.id)) { + if (selected && $(ed).is(':focus')) { + text = rcmail.get_input_selection(ed).text; + } + + if (!text) { + text = ed.value; + strip = true; + } + } + + // strip off signature + if (strip) { + sigstart = text.indexOf('-- \n'); + if (sigstart > 0) { + text = text.substring(0, sigstart); + } + } + + return text; + }; - file.attr({type: 'file', multiple: 'multiple', size: 5, title: ''}) - .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); + // change user signature text + this.change_signature = function(id, show_sig) + { + var cursor_pos, p = -1, + input_message = $('#' + this.id), + message = input_message.val(), + sig = rcmail.env.identity; - // In FF and IE we need to move the browser file-input's button under the cursor - // Thanks to the size attribute above we know the length of the input field - if (navigator.userAgent.match(/Firefox|MSIE/)) - file.css({marginLeft: '-80px'}); + if (!this.editor) { // plain text mode + // remove the 'old' signature + if (show_sig && sig && rcmail.env.signatures && rcmail.env.signatures[sig]) { + sig = rcmail.env.signatures[sig].text; + sig = sig.replace(/\r\n/g, '\n'); - // Note: now, I observe problem with cursor style on FF < 4 only - link.css({overflow: 'hidden', cursor: 'pointer'}) - .mouseenter(function() { this.__active = true; }) - // place button under the cursor - .mousemove(function(e) { - if (this.__active) - move_file_input(e); - // move the input away if button is disabled + p = rcmail.env.top_posting ? message.indexOf(sig) : message.lastIndexOf(sig); + if (p >= 0) + message = message.substring(0, p) + message.substring(p+sig.length, message.length); + } + // add the new signature string + if (show_sig && rcmail.env.signatures && rcmail.env.signatures[id]) { + sig = rcmail.env.signatures[id].text; + sig = sig.replace(/\r\n/g, '\n'); + + if (rcmail.env.top_posting) { + if (p >= 0) { // in place of removed signature + message = message.substring(0, p) + sig + message.substring(p, message.length); + cursor_pos = p - 1; + } + else if (!message) { // empty message + cursor_pos = 0; + message = '\n\n' + sig; + } + else if (pos = rcmail.get_caret_pos(input_message.get(0))) { // at cursor position + message = message.substring(0, pos) + '\n' + sig + '\n\n' + message.substring(pos, message.length); + cursor_pos = pos; + } + else { // on top + cursor_pos = 0; + message = '\n\n' + sig + '\n\n' + message.replace(/^[\r\n]+/, ''); + } + } + else { + message = message.replace(/[\r\n]+$/, ''); + cursor_pos = !rcmail.env.top_posting && message.length ? message.length+1 : 0; + message += '\n\n' + sig; + } + } 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); + 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(), + doc = this.editor.getDoc(); + + sigElem = doc.createElement('div'); + sigElem.setAttribute('id', '_rc_sig'); + + if (rcmail.env.top_posting) { + // if no existing sig and top posting then insert at caret pos + this.editor.getWin().focus(); // correct focus in IE & Chrome + + var node = this.editor.selection.getNode(); + if (node.nodeName == 'BODY') { + // no real focus, insert at start + body.insertBefore(sigElem, body.firstChild); + body.insertBefore(doc.createElement('br'), body.firstChild); + } + else { + body.insertBefore(sigElem, node.nextSibling); + body.insertBefore(doc.createElement('br'), node.nextSibling); + } + } + else { + body.appendChild(sigElem); + } + } + + if (rcmail.env.signatures[id]) { + sigElem.innerHTML = rcmail.env.signatures[id].html; } - }) - .mouseleave() - .append(form); + } + }; + + // 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, dialog, list = []; + + // open image selector dialog + dialog = this.editor.windowManager.open({ + title: rcmail.gettext('select' + type), + width: 500, + height: 300, + html: '<div id="image-selector-list"><ul></ul></div>' + + '<div id="image-selector-form"><div id="image-upload-button" class="mce-widget mce-btn" role="button"></div></div>', + 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); + } + + // add hint about max file size (in dialog footer) + $('div.mce-abs-end', dialog.getEl()).append($('<div class="hint">').text($('div.hint', rcmail.gui_objects.uploadform).text())); + + // enable (smart) upload button + elem = $('#image-upload-button').append($('<span>').text(rcmail.gettext('add' + type))); + this.hack_file_input(elem, rcmail.gui_objects.uploadform); + + // enable drag-n-drop area + if (rcmail.gui_objects.filedrop && rcmail.env.filedrop && ((window.XMLHttpRequest && XMLHttpRequest.prototype && XMLHttpRequest.prototype.sendAsBinary) || window.FormData)) { + rcmail.env.old_file_drop = rcmail.gui_objects.filedrop; + rcmail.gui_objects.filedrop = $('#image-selector-form'); + rcmail.gui_objects.filedrop.addClass('droptarget') + .bind('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); + } + }); + } + }; + + // close file browser window + this.file_browser_close = function(url) + { + if (url) + $('#' + rcmail.env.file_browser_field).val(url); + + this.editor.windowManager.close(); + + 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 (file.mimetype.startsWith('image/')) { + var href = rcmail.env.comm_path+'&_id='+rcmail.env.compose_id+'&_action=display-attachment&_file='+file_id, + img = $('<img>').attr({title: file.name, src: href + '&_thumbnail=1'}); + + return $('<li>').data('url', href) + .append($('<span class="img">').append(img)) + .append($('<span class="name">').text(file.name)) + .click(function() { ref.file_browser_close($(this).data('url')); }); + } + }; + + // create smart files upload button + this.hack_file_input = function(elem, clone_form) + { + var link = $(elem), + file = $('<input>'), + form = $('<form>').attr({method: 'post', enctype: 'multipart/form-data'}), + offset = link.offset(); + + // clone existing upload form + if (clone_form) { + file.attr('name', $('input[type="file"]', clone_form).attr('name')); + form.attr('action', $(clone_form).attr('action')) + .append($('<input>').attr({type: 'hidden', name: '_token', value: rcmail.env.request_token})); + } + + function move_file_input(e) { + 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: ''}) + .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); + } + }) + .mouseleave() + .append(form); + }; } |