Added support of resizable editor

19 files changed, 47 insertions, 2 deletions

diff --git a/public/css/index.css b/public/css/index.css
index 4b2359af..5101ac5c 100644
--- a/public/css/index.css
+++ b/public/css/index.css
@@ -42,15 +42,23 @@ body {
     cursor: pointer;
     margin: 2px;
 }
-.row {
+.ui-content {
+    height: 100%;
     margin-left: 0;
     margin-right: 0;
 }
 .ui-edit-area {
+    height: 100%;
     /*padding-left: 15px;*/
     padding-left: 0 !important;
     padding-right: 0 !important;
 }
+.ui-edit-area .ui-resizable-handle.ui-resizable-e {
+    cursor: col-resize;
+    width: 5px;
+    background-color: white;
+    box-shadow: 5px 0px 10px #e7e7e7;
+}
 .ui-view-area {
     /*overflow-y: scroll;*/
     -webkit-overflow-scrolling: touch;
diff --git a/public/js/index.js b/public/js/index.js
index 51988226..41d4c5e5 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -511,6 +511,8 @@ function checkResponsive() {
     emitUserStatus();
 }
 
+var lastEditorWidth = 0;
+
 function checkEditorStyle() {
     var scrollbarStyle = editor.getOption('scrollbarStyle');
     if (scrollbarStyle == 'overlay' || currentMode == modeType.both) {
@@ -531,6 +533,15 @@ function checkEditorStyle() {
     //set sizer height to make it at least height as editor
     var editorSizerHeight = ui.area.edit.height() - (statusBar ? statusBar.outerHeight() : 0);
     $('.CodeMirror-sizer').css('height', editorSizerHeight + 'px');
+    //make editor resizable
+    ui.area.edit.resizable({
+        handles: 'e',
+        maxWidth: $(window).width() * 0.7,
+        minWidth: $(window).width() * 0.2,
+        stop: function (e) {
+            lastEditorWidth = ui.area.edit.width();
+        }
+    });
 }
 
 function checkTocStyle() {
@@ -657,7 +668,7 @@ function changeMode(type) {
         ui.area.codemirror.addClass(scrollClass);
         ui.area.edit.addClass(responsiveClass).show();
         ui.area.view.addClass(scrollClass);
-        ui.area.view.addClass(responsiveClass).show();
+        ui.area.view.show();
         break;
     }
     if (currentMode != modeType.view && visibleLG) {
@@ -685,6 +696,17 @@ function changeMode(type) {
     } else {
         $(document.body).css('background-color', ui.area.codemirror.css('background-color'));
     }
+    //check resizable editor style
+    if (currentMode == modeType.both) {
+        if (lastEditorWidth > 0)
+            ui.area.edit.css('width', lastEditorWidth + 'px');
+        else
+            ui.area.edit.css('width', '');
+        ui.area.edit.find('.ui-resizable-handle').show();
+    } else {
+        ui.area.edit.css('width', '');
+        ui.area.edit.find('.ui-resizable-handle').hide();
+    }
 
     windowResizeInner();
 
diff --git a/public/vendor/jquery-ui/images/ui-bg_flat_0_aaaaaa_40x100.png b/public/vendor/jquery-ui/images/ui-bg_flat_0_aaaaaa_40x100.png
new file mode 100755
index 00000000..eaf324ec
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-bg_flat_0_aaaaaa_40x100.png
diff --git a/public/vendor/jquery-ui/images/ui-bg_flat_75_ffffff_40x100.png b/public/vendor/jquery-ui/images/ui-bg_flat_75_ffffff_40x100.png
new file mode 100755
index 00000000..878195ce
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-bg_flat_75_ffffff_40x100.png
diff --git a/public/vendor/jquery-ui/images/ui-bg_glass_55_fbf9ee_1x400.png b/public/vendor/jquery-ui/images/ui-bg_glass_55_fbf9ee_1x400.png
new file mode 100755
index 00000000..40fc2044
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-bg_glass_55_fbf9ee_1x400.png
diff --git a/public/vendor/jquery-ui/images/ui-bg_glass_65_ffffff_1x400.png b/public/vendor/jquery-ui/images/ui-bg_glass_65_ffffff_1x400.png
new file mode 100755
index 00000000..deccc56f
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-bg_glass_65_ffffff_1x400.png
diff --git a/public/vendor/jquery-ui/images/ui-bg_glass_75_dadada_1x400.png b/public/vendor/jquery-ui/images/ui-bg_glass_75_dadada_1x400.png
new file mode 100755
index 00000000..9a8c1bc7
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-bg_glass_75_dadada_1x400.png
diff --git a/public/vendor/jquery-ui/images/ui-bg_glass_75_e6e6e6_1x400.png b/public/vendor/jquery-ui/images/ui-bg_glass_75_e6e6e6_1x400.png
new file mode 100755
index 00000000..eb8db001
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-bg_glass_75_e6e6e6_1x400.png
diff --git a/public/vendor/jquery-ui/images/ui-bg_glass_95_fef1ec_1x400.png b/public/vendor/jquery-ui/images/ui-bg_glass_95_fef1ec_1x400.png
new file mode 100755
index 00000000..ca41c69e
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-bg_glass_95_fef1ec_1x400.png
diff --git a/public/vendor/jquery-ui/images/ui-bg_highlight-soft_75_cccccc_1x100.png b/public/vendor/jquery-ui/images/ui-bg_highlight-soft_75_cccccc_1x100.png
new file mode 100755
index 00000000..375e180a
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-bg_highlight-soft_75_cccccc_1x100.png
diff --git a/public/vendor/jquery-ui/images/ui-icons_222222_256x240.png b/public/vendor/jquery-ui/images/ui-icons_222222_256x240.png
new file mode 100755
index 00000000..e9c8e16a
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-icons_222222_256x240.png
diff --git a/public/vendor/jquery-ui/images/ui-icons_2e83ff_256x240.png b/public/vendor/jquery-ui/images/ui-icons_2e83ff_256x240.png
new file mode 100755
index 00000000..f2bf8388
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-icons_2e83ff_256x240.png
diff --git a/public/vendor/jquery-ui/images/ui-icons_454545_256x240.png b/public/vendor/jquery-ui/images/ui-icons_454545_256x240.png
new file mode 100755
index 00000000..d6169e8b
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-icons_454545_256x240.png
diff --git a/public/vendor/jquery-ui/images/ui-icons_888888_256x240.png b/public/vendor/jquery-ui/images/ui-icons_888888_256x240.png
new file mode 100755
index 00000000..d3e6e02a
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-icons_888888_256x240.png
diff --git a/public/vendor/jquery-ui/images/ui-icons_cd0a0a_256x240.png b/public/vendor/jquery-ui/images/ui-icons_cd0a0a_256x240.png
new file mode 100755
index 00000000..49370189
--- /dev/null
+++ b/public/vendor/jquery-ui/images/ui-icons_cd0a0a_256x240.png
diff --git a/public/vendor/jquery-ui/jquery-ui.min.css b/public/vendor/jquery-ui/jquery-ui.min.css
new file mode 100755
index 00000000..b827fafe
--- /dev/null
+++ b/public/vendor/jquery-ui/jquery-ui.min.css
@@ -0,0 +1,7 @@
+/*! jQuery UI - v1.11.4 - 2015-08-03
+* http://jqueryui.com
+* Includes: core.css, resizable.css, theme.css
+* To view and modify this theme, visit http://jqueryui.com/themeroller/
+* Copyright 2015 jQuery Foundation and other contributors; Licensed MIT */
+
+.ui-helper-hidden{display:none}.ui-helper-hidden-accessible{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}.ui-helper-reset{margin:0;padding:0;border:0;outline:0;line-height:1.3;text-decoration:none;font-size:100%;list-style:none}.ui-helper-clearfix:before,.ui-helper-clearfix:after{content:"";display:table;border-collapse:collapse}.ui-helper-clearfix:after{clear:both}.ui-helper-clearfix{min-height:0}.ui-helper-zfix{width:100%;height:100%;top:0;left:0;position:absolute;opacity:0;filter:Alpha(Opacity=0)}.ui-front{z-index:100}.ui-state-disabled{cursor:default!important}.ui-icon{display:block;text-indent:-99999px;overflow:hidden;background-repeat:no-repeat}.ui-widget-overlay{position:fixed;top:0;left:0;width:100%;height:100%}.ui-resizable{position:relative}.ui-resizable-handle{position:absolute;font-size:0.1px;display:block;-ms-touch-action:none;touch-action:none}.ui-resizable-disabled .ui-resizable-handle,.ui-resizable-autohide .ui-resizable-handle{display:none}.ui-resizable-n{cursor:n-resize;height:7px;width:100%;top:-5px;left:0}.ui-resizable-s{cursor:s-resize;height:7px;width:100%;bottom:-5px;left:0}.ui-resizable-e{cursor:e-resize;width:7px;right:-5px;top:0;height:100%}.ui-resizable-w{cursor:w-resize;width:7px;left:-5px;top:0;height:100%}.ui-resizable-se{cursor:se-resize;width:12px;height:12px;right:1px;bottom:1px}.ui-resizable-sw{cursor:sw-resize;width:9px;height:9px;left:-5px;bottom:-5px}.ui-resizable-nw{cursor:nw-resize;width:9px;height:9px;left:-5px;top:-5px}.ui-resizable-ne{cursor:ne-resize;width:9px;height:9px;right:-5px;top:-5px}.ui-widget{font-family:Verdana,Arial,sans-serif;font-size:1.1em}.ui-widget .ui-widget{font-size:1em}.ui-widget input,.ui-widget select,.ui-widget textarea,.ui-widget button{font-family:Verdana,Arial,sans-serif;font-size:1em}.ui-widget-content{border:1px solid #aaa;background:#fff url("images/ui-bg_flat_75_ffffff_40x100.png") 50% 50% repeat-x;color:#222}.ui-widget-content 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-224px}.ui-corner-all,.ui-corner-top,.ui-corner-left,.ui-corner-tl{border-top-left-radius:4px}.ui-corner-all,.ui-corner-top,.ui-corner-right,.ui-corner-tr{border-top-right-radius:4px}.ui-corner-all,.ui-corner-bottom,.ui-corner-left,.ui-corner-bl{border-bottom-left-radius:4px}.ui-corner-all,.ui-corner-bottom,.ui-corner-right,.ui-corner-br{border-bottom-right-radius:4px}.ui-widget-overlay{background:#aaa url("images/ui-bg_flat_0_aaaaaa_40x100.png") 50% 50% repeat-x;opacity:.3;filter:Alpha(Opacity=30)}.ui-widget-shadow{margin:-8px 0 0 -8px;padding:8px;background:#aaa url("images/ui-bg_flat_0_aaaaaa_40x100.png") 50% 50% repeat-x;opacity:.3;filter:Alpha(Opacity=30);border-radius:8px}
\ No newline at end of file
diff --git a/public/vendor/jquery-ui/jquery-ui.min.js b/public/vendor/jquery-ui/jquery-ui.min.js
new file mode 100755
index 00000000..d09e6abd
--- /dev/null
+++ b/public/vendor/jquery-ui/jquery-ui.min.js
@@ -0,0 +1,6 @@
+/*! jQuery UI - v1.11.4 - 2015-08-03
+* http://jqueryui.com
+* Includes: core.js, widget.js, mouse.js, resizable.js
+* Copyright 2015 jQuery Foundation and other contributors; Licensed MIT */
+
+(function(e){"function"==typeof define&&define.amd?define(["jquery"],e):e(jQuery)})(function(e){function t(t,s){var n,a,o,r=t.nodeName.toLowerCase();return"area"===r?(n=t.parentNode,a=n.name,t.href&&a&&"map"===n.nodeName.toLowerCase()?(o=e("img[usemap='#"+a+"']")[0],!!o&&i(o)):!1):(/^(input|select|textarea|button|object)$/.test(r)?!t.disabled:"a"===r?t.href||s:s)&&i(t)}function i(t){return e.expr.filters.visible(t)&&!e(t).parents().addBack().filter(function(){return"hidden"===e.css(this,"visibility")}).length}e.ui=e.ui||{},e.extend(e.ui,{version:"1.11.4",keyCode:{BACKSPACE:8,COMMA:188,DELETE:46,DOWN:40,END:35,ENTER:13,ESCAPE:27,HOME:36,LEFT:37,PAGE_DOWN:34,PAGE_UP:33,PERIOD:190,RIGHT:39,SPACE:32,TAB:9,UP:38}}),e.fn.extend({scrollParent:function(t){var i=this.css("position"),s="absolute"===i,n=t?/(auto|scroll|hidden)/:/(auto|scroll)/,a=this.parents().filter(function(){var t=e(this);return 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this.handles)this.handles[i].constructor===String?this.handles[i]=this.element.children(this.handles[i]).first().show():(this.handles[i].jquery||this.handles[i].nodeType)&&(this.handles[i]=e(this.handles[i]),this._on(this.handles[i],{mousedown:o._mouseDown})),this.elementIsWrapper&&this.originalElement[0].nodeName.match(/^(textarea|input|select|button)$/i)&&(s=e(this.handles[i],this.element),a=/sw|ne|nw|se|n|s/.test(i)?s.outerHeight():s.outerWidth(),n=["padding",/ne|nw|n/.test(i)?"Top":/se|sw|s/.test(i)?"Bottom":/^e$/.test(i)?"Right":"Left"].join(""),t.css(n,a),this._proportionallyResize()),this._handles=this._handles.add(this.handles[i])},this._renderAxis(this.element),this._handles=this._handles.add(this.element.find(".ui-resizable-handle")),this._handles.disableSelection(),this._handles.mouseover(function(){o.resizing||(this.className&&(n=this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i)),o.axis=n&&n[1]?n[1]:"se")}),r.autoHide&&(this._handles.hide(),e(this.element).addClass("ui-resizable-autohide").mouseenter(function(){r.disabled||(e(this).removeClass("ui-resizable-autohide"),o._handles.show())}).mouseleave(function(){r.disabled||o.resizing||(e(this).addClass("ui-resizable-autohide"),o._handles.hide())})),this._mouseInit()},_destroy:function(){this._mouseDestroy();var t,i=function(t){e(t).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing").removeData("resizable").removeData("ui-resizable").unbind(".resizable").find(".ui-resizable-handle").remove()};return this.elementIsWrapper&&(i(this.element),t=this.element,this.originalElement.css({position:t.css("position"),width:t.outerWidth(),height:t.outerHeight(),top:t.css("top"),left:t.css("left")}).insertAfter(t),t.remove()),this.originalElement.css("resize",this.originalResizeStyle),i(this.originalElement),this},_mouseCapture:function(t){var i,s,n=!1;for(i in this.handles)s=e(this.handles[i])[0],(s===t.target||e.contains(s,t.target))&&(n=!0);return!this.options.disabled&&n},_mouseStart:function(t){var i,s,n,a=this.options,o=this.element;return this.resizing=!0,this._renderProxy(),i=this._num(this.helper.css("left")),s=this._num(this.helper.css("top")),a.containment&&(i+=e(a.containment).scrollLeft()||0,s+=e(a.containment).scrollTop()||0),this.offset=this.helper.offset(),this.position={left:i,top:s},this.size=this._helper?{width:this.helper.width(),height:this.helper.height()}:{width:o.width(),height:o.height()},this.originalSize=this._helper?{width:o.outerWidth(),height:o.outerHeight()}:{width:o.width(),height:o.height()},this.sizeDiff={width:o.outerWidth()-o.width(),height:o.outerHeight()-o.height()},this.originalPosition={left:i,top:s},this.originalMousePosition={left:t.pageX,top:t.pageY},this.aspectRatio="number"==typeof a.aspectRatio?a.aspectRatio:this.originalSize.width/this.originalSize.height||1,n=e(".ui-resizable-"+this.axis).css("cursor"),e("body").css("cursor","auto"===n?this.axis+"-resize":n),o.addClass("ui-resizable-resizing"),this._propagate("start",t),!0},_mouseDrag:function(t){var i,s,n=this.originalMousePosition,a=this.axis,o=t.pageX-n.left||0,r=t.pageY-n.top||0,h=this._change[a];return this._updatePrevProperties(),h?(i=h.apply(this,[t,o,r]),this._updateVirtualBoundaries(t.shiftKey),(this._aspectRatio||t.shiftKey)&&(i=this._updateRatio(i,t)),i=this._respectSize(i,t),this._updateCache(i),this._propagate("resize",t),s=this._applyChanges(),!this._helper&&this._proportionallyResizeElements.length&&this._proportionallyResize(),e.isEmptyObject(s)||(this._updatePrevProperties(),this._trigger("resize",t,this.ui()),this._applyChanges()),!1):!1},_mouseStop:function(t){this.resizing=!1;var i,s,n,a,o,r,h,l=this.options,u=this;return this._helper&&(i=this._proportionallyResizeElements,s=i.length&&/textarea/i.test(i[0].nodeName),n=s&&this._hasScroll(i[0],"left")?0:u.sizeDiff.height,a=s?0:u.sizeDiff.width,o={width:u.helper.width()-a,height:u.helper.height()-n},r=parseInt(u.element.css("left"),10)+(u.position.left-u.originalPosition.left)||null,h=parseInt(u.element.css("top"),10)+(u.position.top-u.originalPosition.top)||null,l.animate||this.element.css(e.extend(o,{top:h,left:r})),u.helper.height(u.size.height),u.helper.width(u.size.width),this._helper&&!l.animate&&this._proportionallyResize()),e("body").css("cursor","auto"),this.element.removeClass("ui-resizable-resizing"),this._propagate("stop",t),this._helper&&this.helper.remove(),!1},_updatePrevProperties:function(){this.prevPosition={top:this.position.top,left:this.position.left},this.prevSize={width:this.size.width,height:this.size.height}},_applyChanges:function(){var e={};return this.position.top!==this.prevPosition.top&&(e.top=this.position.top+"px"),this.position.left!==this.prevPosition.left&&(e.left=this.position.left+"px"),this.size.width!==this.prevSize.width&&(e.width=this.size.width+"px"),this.size.height!==this.prevSize.height&&(e.height=this.size.height+"px"),this.helper.css(e),e},_updateVirtualBoundaries:function(e){var t,i,s,n,a,o=this.options;a={minWidth:this._isNumber(o.minWidth)?o.minWidth:0,maxWidth:this._isNumber(o.maxWidth)?o.maxWidth:1/0,minHeight:this._isNumber(o.minHeight)?o.minHeight:0,maxHeight:this._isNumber(o.maxHeight)?o.maxHeight:1/0},(this._aspectRatio||e)&&(t=a.minHeight*this.aspectRatio,s=a.minWidth/this.aspectRatio,i=a.maxHeight*this.aspectRatio,n=a.maxWidth/this.aspectRatio,t>a.minWidth&&(a.minWidth=t),s>a.minHeight&&(a.minHeight=s),a.maxWidth>i&&(a.maxWidth=i),a.maxHeight>n&&(a.maxHeight=n)),this._vBoundaries=a},_updateCache:function(e){this.offset=this.helper.offset(),this._isNumber(e.left)&&(this.position.left=e.left),this._isNumber(e.top)&&(this.position.top=e.top),this._isNumber(e.height)&&(this.size.height=e.height),this._isNumber(e.width)&&(this.size.width=e.width)},_updateRatio:function(e){var t=this.position,i=this.size,s=this.axis;return this._isNumber(e.height)?e.width=e.height*this.aspectRatio:this._isNumber(e.width)&&(e.height=e.width/this.aspectRatio),"sw"===s&&(e.left=t.left+(i.width-e.width),e.top=null),"nw"===s&&(e.top=t.top+(i.height-e.height),e.left=t.left+(i.width-e.width)),e},_respectSize:function(e){var t=this._vBoundaries,i=this.axis,s=this._isNumber(e.width)&&t.maxWidth&&t.maxWidth<e.width,n=this._isNumber(e.height)&&t.maxHeight&&t.maxHeight<e.height,a=this._isNumber(e.width)&&t.minWidth&&t.minWidth>e.width,o=this._isNumber(e.height)&&t.minHeight&&t.minHeight>e.height,r=this.originalPosition.left+this.originalSize.width,h=this.position.top+this.size.height,l=/sw|nw|w/.test(i),u=/nw|ne|n/.test(i);return a&&(e.width=t.minWidth),o&&(e.height=t.minHeight),s&&(e.width=t.maxWidth),n&&(e.height=t.maxHeight),a&&l&&(e.left=r-t.minWidth),s&&l&&(e.left=r-t.maxWidth),o&&u&&(e.top=h-t.minHeight),n&&u&&(e.top=h-t.maxHeight),e.width||e.height||e.left||!e.top?e.width||e.height||e.top||!e.left||(e.left=null):e.top=null,e},_getPaddingPlusBorderDimensions:function(e){for(var t=0,i=[],s=[e.css("borderTopWidth"),e.css("borderRightWidth"),e.css("borderBottomWidth"),e.css("borderLeftWidth")],n=[e.css("paddingTop"),e.css("paddingRight"),e.css("paddingBottom"),e.css("paddingLeft")];4>t;t++)i[t]=parseInt(s[t],10)||0,i[t]+=parseInt(n[t],10)||0;return{height:i[0]+i[2],width:i[1]+i[3]}},_proportionallyResize:function(){if(this._proportionallyResizeElements.length)for(var e,t=0,i=this.helper||this.element;this._proportionallyResizeElements.length>t;t++)e=this._proportionallyResizeElements[t],this.outerDimensions||(this.outerDimensions=this._getPaddingPlusBorderDimensions(e)),e.css({height:i.height()-this.outerDimensions.height||0,width:i.width()-this.outerDimensions.width||0})},_renderProxy:function(){var t=this.element,i=this.options;this.elementOffset=t.offset(),this._helper?(this.helper=this.helper||e("<div style='overflow:hidden;'></div>"),this.helper.addClass(this._helper).css({width:this.element.outerWidth()-1,height:this.element.outerHeight()-1,position:"absolute",left:this.elementOffset.left+"px",top:this.elementOffset.top+"px",zIndex:++i.zIndex}),this.helper.appendTo("body").disableSelection()):this.helper=this.element},_change:{e:function(e,t){return{width:this.originalSize.width+t}},w:function(e,t){var i=this.originalSize,s=this.originalPosition;return{left:s.left+t,width:i.width-t}},n:function(e,t,i){var s=this.originalSize,n=this.originalPosition;return{top:n.top+i,height:s.height-i}},s:function(e,t,i){return{height:this.originalSize.height+i}},se:function(t,i,s){return e.extend(this._change.s.apply(this,arguments),this._change.e.apply(this,[t,i,s]))},sw:function(t,i,s){return e.extend(this._change.s.apply(this,arguments),this._change.w.apply(this,[t,i,s]))},ne:function(t,i,s){return e.extend(this._change.n.apply(this,arguments),this._change.e.apply(this,[t,i,s]))},nw:function(t,i,s){return e.extend(this._change.n.apply(this,arguments),this._change.w.apply(this,[t,i,s]))}},_propagate:function(t,i){e.ui.plugin.call(this,t,[i,this.ui()]),"resize"!==t&&this._trigger(t,i,this.ui())},plugins:{},ui:function(){return{originalElement:this.originalElement,element:this.element,helper:this.helper,position:this.position,size:this.size,originalSize:this.originalSize,originalPosition:this.originalPosition}}}),e.ui.plugin.add("resizable","animate",{stop:function(t){var i=e(this).resizable("instance"),s=i.options,n=i._proportionallyResizeElements,a=n.length&&/textarea/i.test(n[0].nodeName),o=a&&i._hasScroll(n[0],"left")?0:i.sizeDiff.height,r=a?0:i.sizeDiff.width,h={width:i.size.width-r,height:i.size.height-o},l=parseInt(i.element.css("left"),10)+(i.position.left-i.originalPosition.left)||null,u=parseInt(i.element.css("top"),10)+(i.position.top-i.originalPosition.top)||null;i.element.animate(e.extend(h,u&&l?{top:u,left:l}:{}),{duration:s.animateDuration,easing:s.animateEasing,step:function(){var s={width:parseInt(i.element.css("width"),10),height:parseInt(i.element.css("height"),10),top:parseInt(i.element.css("top"),10),left:parseInt(i.element.css("left"),10)};n&&n.length&&e(n[0]).css({width:s.width,height:s.height}),i._updateCache(s),i._propagate("resize",t)}})}}),e.ui.plugin.add("resizable","containment",{start:function(){var t,i,s,n,a,o,r,h=e(this).resizable("instance"),l=h.options,u=h.element,d=l.containment,c=d instanceof e?d.get(0):/parent/.test(d)?u.parent().get(0):d;c&&(h.containerElement=e(c),/document/.test(d)||d===document?(h.containerOffset={left:0,top:0},h.containerPosition={left:0,top:0},h.parentData={element:e(document),left:0,top:0,width:e(document).width(),height:e(document).height()||document.body.parentNode.scrollHeight}):(t=e(c),i=[],e(["Top","Right","Left","Bottom"]).each(function(e,s){i[e]=h._num(t.css("padding"+s))}),h.containerOffset=t.offset(),h.containerPosition=t.position(),h.containerSize={height:t.innerHeight()-i[3],width:t.innerWidth()-i[1]},s=h.containerOffset,n=h.containerSize.height,a=h.containerSize.width,o=h._hasScroll(c,"left")?c.scrollWidth:a,r=h._hasScroll(c)?c.scrollHeight:n,h.parentData={element:c,left:s.left,top:s.top,width:o,height:r}))},resize:function(t){var i,s,n,a,o=e(this).resizable("instance"),r=o.options,h=o.containerOffset,l=o.position,u=o._aspectRatio||t.shiftKey,d={top:0,left:0},c=o.containerElement,p=!0;c[0]!==document&&/static/.test(c.css("position"))&&(d=h),l.left<(o._helper?h.left:0)&&(o.size.width=o.size.width+(o._helper?o.position.left-h.left:o.position.left-d.left),u&&(o.size.height=o.size.width/o.aspectRatio,p=!1),o.position.left=r.helper?h.left:0),l.top<(o._helper?h.top:0)&&(o.size.height=o.size.height+(o._helper?o.position.top-h.top:o.position.top),u&&(o.size.width=o.size.height*o.aspectRatio,p=!1),o.position.top=o._helper?h.top:0),n=o.containerElement.get(0)===o.element.parent().get(0),a=/relative|absolute/.test(o.containerElement.css("position")),n&&a?(o.offset.left=o.parentData.left+o.position.left,o.offset.top=o.parentData.top+o.position.top):(o.offset.left=o.element.offset().left,o.offset.top=o.element.offset().top),i=Math.abs(o.sizeDiff.width+(o._helper?o.offset.left-d.left:o.offset.left-h.left)),s=Math.abs(o.sizeDiff.height+(o._helper?o.offset.top-d.top:o.offset.top-h.top)),i+o.size.width>=o.parentData.width&&(o.size.width=o.parentData.width-i,u&&(o.size.height=o.size.width/o.aspectRatio,p=!1)),s+o.size.height>=o.parentData.height&&(o.size.height=o.parentData.height-s,u&&(o.size.width=o.size.height*o.aspectRatio,p=!1)),p||(o.position.left=o.prevPosition.left,o.position.top=o.prevPosition.top,o.size.width=o.prevSize.width,o.size.height=o.prevSize.height)},stop:function(){var t=e(this).resizable("instance"),i=t.options,s=t.containerOffset,n=t.containerPosition,a=t.containerElement,o=e(t.helper),r=o.offset(),h=o.outerWidth()-t.sizeDiff.width,l=o.outerHeight()-t.sizeDiff.height;t._helper&&!i.animate&&/relative/.test(a.css("position"))&&e(this).css({left:r.left-n.left-s.left,width:h,height:l}),t._helper&&!i.animate&&/static/.test(a.css("position"))&&e(this).css({left:r.left-n.left-s.left,width:h,height:l})}}),e.ui.plugin.add("resizable","alsoResize",{start:function(){var t=e(this).resizable("instance"),i=t.options;e(i.alsoResize).each(function(){var t=e(this);t.data("ui-resizable-alsoresize",{width:parseInt(t.width(),10),height:parseInt(t.height(),10),left:parseInt(t.css("left"),10),top:parseInt(t.css("top"),10)})})},resize:function(t,i){var s=e(this).resizable("instance"),n=s.options,a=s.originalSize,o=s.originalPosition,r={height:s.size.height-a.height||0,width:s.size.width-a.width||0,top:s.position.top-o.top||0,left:s.position.left-o.left||0};e(n.alsoResize).each(function(){var t=e(this),s=e(this).data("ui-resizable-alsoresize"),n={},a=t.parents(i.originalElement[0]).length?["width","height"]:["width","height","top","left"];e.each(a,function(e,t){var i=(s[t]||0)+(r[t]||0);i&&i>=0&&(n[t]=i||null)}),t.css(n)})},stop:function(){e(this).removeData("resizable-alsoresize")}}),e.ui.plugin.add("resizable","ghost",{start:function(){var t=e(this).resizable("instance"),i=t.options,s=t.size;t.ghost=t.originalElement.clone(),t.ghost.css({opacity:.25,display:"block",position:"relative",height:s.height,width:s.width,margin:0,left:0,top:0}).addClass("ui-resizable-ghost").addClass("string"==typeof i.ghost?i.ghost:""),t.ghost.appendTo(t.helper)},resize:function(){var t=e(this).resizable("instance");t.ghost&&t.ghost.css({position:"relative",height:t.size.height,width:t.size.width})},stop:function(){var t=e(this).resizable("instance");t.ghost&&t.helper&&t.helper.get(0).removeChild(t.ghost.get(0))}}),e.ui.plugin.add("resizable","grid",{resize:function(){var t,i=e(this).resizable("instance"),s=i.options,n=i.size,a=i.originalSize,o=i.originalPosition,r=i.axis,h="number"==typeof s.grid?[s.grid,s.grid]:s.grid,l=h[0]||1,u=h[1]||1,d=Math.round((n.width-a.width)/l)*l,c=Math.round((n.height-a.height)/u)*u,p=a.width+d,f=a.height+c,m=s.maxWidth&&p>s.maxWidth,g=s.maxHeight&&f>s.maxHeight,v=s.minWidth&&s.minWidth>p,y=s.minHeight&&s.minHeight>f;s.grid=h,v&&(p+=l),y&&(f+=u),m&&(p-=l),g&&(f-=u),/^(se|s|e)$/.test(r)?(i.size.width=p,i.size.height=f):/^(ne)$/.test(r)?(i.size.width=p,i.size.height=f,i.position.top=o.top-c):/^(sw)$/.test(r)?(i.size.width=p,i.size.height=f,i.position.left=o.left-d):((0>=f-u||0>=p-l)&&(t=i._getPaddingPlusBorderDimensions(this)),f-u>0?(i.size.height=f,i.position.top=o.top-c):(f=u-t.height,i.size.height=f,i.position.top=o.top+a.height-f),p-l>0?(i.size.width=p,i.position.left=o.left-d):(p=l-t.width,i.size.width=p,i.position.left=o.left+a.width-p))}}),e.ui.resizable});
\ No newline at end of file
diff --git a/public/views/foot.ejs b/public/views/foot.ejs
index 9effd293..bdd5f55e 100644
--- a/public/views/foot.ejs
+++ b/public/views/foot.ejs
@@ -13,6 +13,7 @@
 <script src="/vendor/greensock-js/TweenMax.min.js" defer></script>
 <script src="/vendor/greensock-js/jquery.gsap.min.js" defer></script>
 <% } %>
+<script src="/vendor/jquery-ui/jquery-ui.min.js" defer></script>
 <!--codemirror-->
 <script src="/vendor/codemirror/codemirror.min.js" defer></script>
 <script src="/vendor/inlineAttachment/inline-attachment.js" defer></script>
diff --git a/public/views/head.ejs b/public/views/head.ejs
index 816c2a26..4657ecac 100644
--- a/public/views/head.ejs
+++ b/public/views/head.ejs
@@ -16,6 +16,7 @@
 <link rel="stylesheet" href="/vendor/font-awesome/css/font-awesome.min.css">
 <link rel="stylesheet" href="/css/bootstrap-social.css">
 <% } %>
+<link rel="stylesheet" href="/vendor/jquery-ui/jquery-ui.min.css">
 <link rel="stylesheet" href="/vendor/codemirror/lib/codemirror.css">
 <link rel="stylesheet" href="/vendor/codemirror/addon/fold/foldgutter.css">
 <link rel="stylesheet" href="/vendor/codemirror/addon/dialog/dialog.css">