Merge pull request #2 from esiao/master

Adding button to composer + colorpicker working. Updated regex for perfs.

button.js

@@ -0,0 +1,35 @@
+$('document').ready(function() {
+	require(['composer', 'composer/controls'], function(composer, controls) {
+		var text, start, end;
+		composer.addButton('fa fa-eyedropper', function(textarea, selectionStart, selectionEnd) {
+			text = textarea;
+		});
+		$(document).on('click','.fa-eyedropper',function(){
+			$('.fa-eyedropper').ColorPicker({
+				onShow: function (el) {
+					$(el).fadeIn(500);
+					return false;
+					controls.updateTextareaSelection(text, start, end);
+				},
+				onHide: function (el) {
+					$(el).fadeOut(500);
+					return false;
+				},
+				onSubmit: function (hsb, hex, rgb, el) {
+					$(el).ColorPickerHide();
+					if(start === end){
+						controls.insertIntoTextarea(text, '%(#'+hex+')[Insert Text Here]');
+						controls.updateTextareaSelection(text, start + 11, end + 27);
+					} else {
+						controls.wrapSelectionInTextareaWith(text, '%(#'+hex+')[',']');
+						controls.updateTextareaSelection(text, start + 11, end + 11);
+					}
+				}
+			}).trigger('click');
+		});
+		$(document).on('blur','textarea.write',function(){
+			start = this.selectionStart;
+			end = this.selectionEnd;
+		});
+	});
+});

lib/colorpicker/css/colorpicker.less

@@ -0,0 +1,162 @@
+.colorpicker {
+	width: 356px;
+	height: 176px;
+	overflow: hidden;
+	position: absolute;
+	background: url(/plugins/nodebb-plugin-color/images/colorpicker_background.png);
+	font-family: Arial, Helvetica, sans-serif;
+	display: none;
+	z-index: 999;
+}
+.colorpicker_color {
+	width: 150px;
+	height: 150px;
+	left: 14px;
+	top: 13px;
+	position: absolute;
+	background: #f00;
+	overflow: hidden;
+	cursor: crosshair;
+}
+.colorpicker_color div {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 150px;
+	height: 150px;
+	background: url(/plugins/nodebb-plugin-color/images/colorpicker_overlay.png);
+}
+.colorpicker_color div div {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 11px;
+	height: 11px;
+	overflow: hidden;
+	background: url(/plugins/nodebb-plugin-color/images/colorpicker_select.gif);
+	margin: -5px 0 0 -5px;
+}
+.colorpicker_hue {
+	position: absolute;
+	top: 13px;
+	left: 171px;
+	width: 35px;
+	height: 150px;
+	cursor: n-resize;
+}
+.colorpicker_hue div {
+	position: absolute;
+	width: 35px;
+	height: 9px;
+	overflow: hidden;
+	background: url(/plugins/nodebb-plugin-color/images/colorpicker_indic.gif) left top;
+	margin: -4px 0 0 0;
+	left: 0px;
+}
+.colorpicker_new_color {
+	position: absolute;
+	width: 60px;
+	height: 30px;
+	left: 213px;
+	top: 13px;
+	background: #f00;
+}
+.colorpicker_current_color {
+	position: absolute;
+	width: 60px;
+	height: 30px;
+	left: 283px;
+	top: 13px;
+	background: #f00;
+}
+.colorpicker input {
+	background-color: transparent;
+	border: 1px solid transparent;
+	position: absolute;
+	font-size: 10px;
+	font-family: Arial, Helvetica, sans-serif;
+	color: #898989;
+	top: 4px;
+	right: 11px;
+	text-align: right;
+	margin: 0;
+	padding: 0;
+	height: 11px;
+}
+.colorpicker_hex {
+	position: absolute;
+	width: 72px;
+	height: 22px;
+	background: url(/plugins/nodebb-plugin-color/images/colorpicker_hex.png) top;
+	left: 212px;
+	top: 142px;
+}
+.colorpicker_hex input {
+	right: 6px;
+}
+.colorpicker_field {
+	height: 22px;
+	width: 62px;
+	background-position: top;
+	position: absolute;
+}
+.colorpicker_field span {
+	position: absolute;
+	width: 12px;
+	height: 22px;
+	overflow: hidden;
+	top: 0;
+	right: 0;
+	cursor: n-resize;
+}
+.colorpicker_rgb_r {
+	background-image: url(/plugins/nodebb-plugin-color/images/colorpicker_rgb_r.png);
+	top: 52px;
+	left: 212px;
+}
+.colorpicker_rgb_g {
+	background-image: url(/plugins/nodebb-plugin-color/images/colorpicker_rgb_g.png);
+	top: 82px;
+	left: 212px;
+}
+.colorpicker_rgb_b {
+	background-image: url(/plugins/nodebb-plugin-color/images/colorpicker_rgb_b.png);
+	top: 112px;
+	left: 212px;
+}
+.colorpicker_hsb_h {
+	background-image: url(/plugins/nodebb-plugin-color/images/colorpicker_hsb_h.png);
+	top: 52px;
+	left: 282px;
+}
+.colorpicker_hsb_s {
+	background-image: url(/plugins/nodebb-plugin-color/images/colorpicker_hsb_s.png);
+	top: 82px;
+	left: 282px;
+}
+.colorpicker_hsb_b {
+	background-image: url(/plugins/nodebb-plugin-color/images/colorpicker_hsb_b.png);
+	top: 112px;
+	left: 282px;
+}
+.colorpicker_submit {
+	position: absolute;
+	width: 22px;
+	height: 22px;
+	background: url(/plugins/nodebb-plugin-color/images/colorpicker_submit.png) top;
+	left: 322px;
+	top: 142px;
+	overflow: hidden;
+}
+.colorpicker_focus {
+	background-position: center;
+}
+.colorpicker_hex.colorpicker_focus {
+	background-position: bottom;
+}
+.colorpicker_submit.colorpicker_focus {
+	background-position: bottom;
+}
+.colorpicker_slider {
+	background-position: bottom;
+}