From 5b231140084cdf8e69e9ed5597fdba4ba504685f Mon Sep 17 00:00:00 2001 From: Aleksander Machniak Date: Mon, 23 Jun 2014 14:18:51 +0200 Subject: Improved accessibility (Tab navigation) in HTML editor's image browser --- program/js/editor.js | 76 ++++++++++++++++++++++++++++---- program/js/tinymce/roundcube/browser.css | 3 +- 2 files changed, 69 insertions(+), 10 deletions(-) diff --git a/program/js/editor.js b/program/js/editor.js index c5680ed90..dfd3e27ea 100644 --- a/program/js/editor.js +++ b/program/js/editor.js @@ -523,7 +523,7 @@ function rcube_text_editor(config, id) // image selector this.file_browser_callback = function(field_name, url, type) { - var i, elem, dialog, list = []; + var i, elem, cancel, dialog, fn, list = []; // open image selector dialog dialog = this.editor.windowManager.open({ @@ -531,7 +531,7 @@ function rcube_text_editor(config, id) width: 500, height: 300, html: '
' - + '
', + + '
', buttons: [{text: 'Cancel', onclick: function() { ref.file_browser_close(); }}] }); @@ -546,14 +546,44 @@ function rcube_text_editor(config, id) } if (list.length) { - $('#image-selector-list > ul').append(list); + $('#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())); + $('div.mce-abs-end', dialog.getEl()).append($('
') + .text($('div.hint', rcmail.gui_objects.uploadform).text())); - // enable (smart) upload button + // init upload button elem = $('#image-upload-button').append($('').text(rcmail.gettext('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 @@ -576,6 +606,7 @@ function rcube_text_editor(config, id) var elem; if (elem = ref.file_browser_entry(attr.name, attr.attachment)) { $('#image-selector-list > ul').prepend(elem); + elem.focus(); } }); } @@ -584,11 +615,15 @@ function rcube_text_editor(config, id) // close file browser window this.file_browser_close = function(url) { + var input = $('#' + rcmail.env.file_browser_field); + if (url) - $('#' + rcmail.env.file_browser_field).val(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; }; @@ -620,10 +655,30 @@ function rcube_text_editor(config, id) var href = rcmail.env.comm_path+'&_id='+rcmail.env.compose_id+'&_action=display-attachment&_file='+file_id, img = $('').attr({title: file.name, src: img_src ? img_src : href + '&_thumbnail=1'}); - return $('
  • ').data('url', href) + return $('
  • ').attr({tabindex: 0}) + .data('url', href) .append($('').append(img)) .append($('').text(file.name)) - .click(function() { ref.file_browser_close($(this).data('url')); }); + .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; + } + }); } }; @@ -646,7 +701,7 @@ function rcube_text_editor(config, id) 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: ''}) + 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 @@ -681,6 +736,9 @@ function rcube_text_editor(config, id) file.trigger(e); } }) + .keydown(function(e) { + if (e.which == 13) file.trigger('click'); + }) .mouseleave() .append(form); }; diff --git a/program/js/tinymce/roundcube/browser.css b/program/js/tinymce/roundcube/browser.css index 1787226f3..d756c1159 100644 --- a/program/js/tinymce/roundcube/browser.css +++ b/program/js/tinymce/roundcube/browser.css @@ -42,7 +42,8 @@ text-overflow: ellipsis; } -#image-selector-list li:hover { +#image-selector-list li:hover, +#image-selector-list li:focus { background-color: #F0F0F0; } -- cgit v1.2.3