From 646b64107a578d228a23d5b82923fb794fdb9c55 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 30 May 2014 02:32:06 -0400
Subject: [PATCH] Implemented Text Editor widget that integrates all operations on textareas including HTML editor and spellchecking
---
program/js/editor.js | 758 ++++++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 548 insertions(+), 210 deletions(-)
diff --git a/program/js/editor.js b/program/js/editor.js
index 280eb2a..6540bd5 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 @@
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 @@
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.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'])
- $(tinymce.get(rcmail.env.composebody).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 != rcmail.env.composebody) {
- // use setTimeout() for IE9 (#1488541)
- window.setTimeout(function() {
- window.focus(); // for WebKit (#1486674)
- fe.focus();
- }, 10);
+ if (rcmail.env.action != 'compose') {
+ return;
}
- }
- // 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);
-}
+ var css = {},
+ elem = rcube_find_object('_from'),
+ fe = rcmail.env.compose_focus_elem;
-// 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];
+ 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) {
+ // 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
+ 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
+ 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);
- }
-
- // 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)));
- 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 = rcmail_file_browser_entry(attr.name, attr.attachment)) {
- $('#image-selector-list > ul').prepend(elem);
+ // 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);
}
- });
- }
-}
-// close file browser window
-function rcmail_file_browser_close(url)
-{
- if (url)
- $('#' + rcmail.env.file_browser_field).val(url);
+ // get html content
+ content = this.editor.getContent();
- tinyMCE.activeEditor.windowManager.close();
+ // convert html to text
+ result = rcmail.html2plain(content, function(data) {
+ tinymce.execCommand('mceRemoveEditor', false, ref.id);
+ ref.editor = null;
- if (rcmail.env.old_file_drop)
- rcmail.gui_objects.filedrop = rcmail.env.old_file_drop;
-}
+ // replace signture mark with text version of the signature
+ if (is_sig)
+ data = data.replace(sig_mark, "\n" + signature.text);
-// creates file browser entry
-function rcmail_file_browser_entry(file_id, file)
-{
- if (!file.complete || !file.mimetype) {
- return;
- }
+ input.val(data).focus();
+ });
- 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'});
+ // bring back current signature
+ if (!result && curr)
+ this.editor.dom.setHTML('_rc_sig', curr);
+ }
- 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')); });
- }
-}
+ return result;
+ };
-// 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();
+ // 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();
+ }
+ };
- // 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}));
- }
+ // stop spellchecker
+ this.spellcheck_stop = function()
+ {
+ var ed = this.editor;
- function move_file_input(e) {
- file.css({top: (e.pageY - offset.top - 10) + 'px', left: (e.pageX - offset.left - 10) + 'px'});
- }
+ 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');
+ }
+ };
- 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);
+ // spellchecker state
+ this.spellcheck_state = function()
+ {
+ var ed;
- // 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)
+ return this.spellcheck_active;
+ else if ((ed = this.spellchecker) && ed.state)
+ return ed.state != 'ready' && ed.state != 'no_error_found';
+ };
- // 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
+ // resume spellchecking, highlight provided mispellings without new ajax request
+ this.spellcheck_resume = function(data)
+ {
+ var ed = this.editor;
+
+ if (ed) {
+ ed.settings.spellchecker_callback = function(name, text, done, error) { done(data); };
+ ed.execCommand('mceSpellCheck');
+ ed.settings.spellchecker_callback = null;
+
+ 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;
+ };
+
+ // change user signature text
+ this.change_signature = function(id, show_sig)
+ {
+ var cursor_pos, p = -1,
+ input_message = $('#' + this.id),
+ message = input_message.val(),
+ sig = rcmail.env.identity;
+
+ if (!this.editor) { // plain text mode
+ // remove the 'old' signature
+ if (show_sig && sig && rcmail.env.signatures && rcmail.env.signatures[sig]) {
+ sig = rcmail.env.signatures[sig].text;
+ sig = sig.replace(/\r\n/g, '\n');
+
+ p = rcmail.env.top_posting ? message.indexOf(sig) : message.lastIndexOf(sig);
+ if (p >= 0)
+ message = message.substring(0, p) + message.substring(p+sig.length, message.length);
+ }
+ // add the new signature string
+ if (show_sig && rcmail.env.signatures && rcmail.env.signatures[id]) {
+ sig = rcmail.env.signatures[id].text;
+ sig = sig.replace(/\r\n/g, '\n');
+
+ if (rcmail.env.top_posting) {
+ if (p >= 0) { // in place of removed signature
+ message = message.substring(0, p) + sig + message.substring(p, message.length);
+ cursor_pos = p - 1;
+ }
+ else if (!message) { // empty message
+ cursor_pos = 0;
+ message = '\n\n' + sig;
+ }
+ else if (pos = rcmail.get_caret_pos(input_message.get(0))) { // at cursor position
+ message = message.substring(0, pos) + '\n' + sig + '\n\n' + message.substring(pos, message.length);
+ cursor_pos = pos;
+ }
+ else { // on top
+ cursor_pos = 0;
+ message = '\n\n' + sig + '\n\n' + message.replace(/^[\r\n]+/, '');
+ }
+ }
+ else {
+ message = message.replace(/[\r\n]+$/, '');
+ 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);
+ }
}
- })
- .mouseleave()
- .append(form);
+
+ if (rcmail.env.signatures[id]) {
+ sigElem.innerHTML = rcmail.env.signatures[id].html;
+ }
+ }
+ };
+
+ // 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);
+ };
}
--
Gitblit v1.9.1