1 /* http://github.com/mindmup/bootstrap-wysiwyg */
2 /*global jQuery, $, FileReader*/
3 /*jslint browser:true*/
6 var readFileIntoDataUrl = function (fileInfo) {
7 var loader = $.Deferred(),
8 fReader = new FileReader();
9 fReader.onload = function (e) {
10 loader.resolve(e.target.result);
12 fReader.onerror = loader.reject;
13 fReader.onprogress = loader.notify;
14 fReader.readAsDataURL(fileInfo);
15 return loader.promise();
17 $.fn.cleanHtml = function () {
18 var html = $(this).html();
19 return html && html.replace(/(<br>|\s|<div><br><\/div>| )*$/, '');
21 $.fn.wysiwyg = function (userOptions) {
26 updateToolbar = function () {
27 if (options.activeToolbarClass) {
28 $(options.toolbarSelector).find(toolbarBtnSelector).each(function () {
29 var command = $(this).data(options.commandRole);
30 if (document.queryCommandState(command)) {
31 $(this).addClass(options.activeToolbarClass);
33 $(this).removeClass(options.activeToolbarClass);
38 execCommand = function (commandWithArgs, valueArg) {
39 var commandArr = commandWithArgs.split(' '),
40 command = commandArr.shift(),
41 args = commandArr.join(' ') + (valueArg || '');
42 document.execCommand(command, 0, args);
45 bindHotkeys = function (hotKeys) {
46 $.each(hotKeys, function (hotkey, command) {
47 editor.keydown(hotkey, function (e) {
48 if (editor.attr('contenteditable') && editor.is(':visible')) {
53 }).keyup(hotkey, function (e) {
54 if (editor.attr('contenteditable') && editor.is(':visible')) {
61 getCurrentRange = function () {
62 var sel = window.getSelection();
63 if (sel.getRangeAt && sel.rangeCount) {
64 return sel.getRangeAt(0);
67 saveSelection = function () {
68 selectedRange = getCurrentRange();
70 restoreSelection = function () {
71 var selection = window.getSelection();
74 selection.removeAllRanges();
76 document.body.createTextRange().select();
77 document.selection.empty();
80 selection.addRange(selectedRange);
83 insertFiles = function (files) {
85 $.each(files, function (idx, fileInfo) {
86 if (/^image\//.test(fileInfo.type)) {
87 $.when(readFileIntoDataUrl(fileInfo)).done(function (dataUrl) {
88 execCommand('insertimage', dataUrl);
89 }).fail(function (e) {
90 options.fileUploadError("file-reader", e);
93 options.fileUploadError("unsupported-file-type", fileInfo.type);
97 markSelection = function (input, color) {
99 if (document.queryCommandSupported('hiliteColor')) {
100 document.execCommand('hiliteColor', 0, color || 'transparent');
103 input.data(options.selectionMarker, color);
105 bindToolbar = function (toolbar, options) {
106 toolbar.find(toolbarBtnSelector).click(function () {
109 execCommand($(this).data(options.commandRole));
112 toolbar.find('[data-toggle=dropdown]').click(restoreSelection);
114 toolbar.find('input[type=text][data-' + options.commandRole + ']').on('webkitspeechchange change', function () {
115 var newValue = this.value; /* ugly but prevents fake double-calls due to selection restoration */
120 execCommand($(this).data(options.commandRole), newValue);
123 }).on('focus', function () {
125 if (!input.data(options.selectionMarker)) {
126 markSelection(input, options.selectionColor);
129 }).on('blur', function () {
131 if (input.data(options.selectionMarker)) {
132 markSelection(input, false);
135 toolbar.find('input[type=file][data-' + options.commandRole + ']').change(function () {
137 if (this.type === 'file' && this.files && this.files.length > 0) {
138 insertFiles(this.files);
144 initFileDrops = function () {
145 editor.on('dragenter dragover', false)
146 .on('drop', function (e) {
147 var dataTransfer = e.originalEvent.dataTransfer;
150 if (dataTransfer && dataTransfer.files && dataTransfer.files.length > 0) {
151 insertFiles(dataTransfer.files);
155 options = $.extend({}, $.fn.wysiwyg.defaults, userOptions);
156 toolbarBtnSelector = 'a[data-' + options.commandRole + '],button[data-' + options.commandRole + '],input[type=button][data-' + options.commandRole + ']';
157 bindHotkeys(options.hotKeys);
158 if (options.dragAndDropImages) {
161 bindToolbar($(options.toolbarSelector), options);
162 editor.attr('contenteditable', true)
163 .on('mouseup keyup mouseout', function () {
167 $(window).bind('touchend', function (e) {
168 var isInside = (editor.is(e.target) || editor.has(e.target).length > 0),
169 currentRange = getCurrentRange(),
170 clear = currentRange && (currentRange.startContainer === currentRange.endContainer && currentRange.startOffset === currentRange.endOffset);
171 if (!clear || isInside) {
178 $.fn.wysiwyg.defaults = {
180 'ctrl+b meta+b': 'bold',
181 'ctrl+i meta+i': 'italic',
182 'ctrl+u meta+u': 'underline',
183 'ctrl+z meta+z': 'undo',
184 'ctrl+y meta+y meta+shift+z': 'redo',
185 'ctrl+l meta+l': 'justifyleft',
186 'ctrl+r meta+r': 'justifyright',
187 'ctrl+e meta+e': 'justifycenter',
188 'ctrl+j meta+j': 'justifyfull',
189 'shift+tab': 'outdent',
192 toolbarSelector: '[data-role=editor-toolbar]',
194 activeToolbarClass: 'btn-info',
195 selectionMarker: 'edit-focus-marker',
196 selectionColor: 'darkgrey',
197 dragAndDropImages: true,
198 fileUploadError: function (reason, detail) { console.log("File upload error", reason, detail); }