sync
[roojs1] / roojs-bootstrap-debug.js
index 0fae497..2a1b23d 100644 (file)
@@ -6,13 +6,13 @@
 Roo.bootstrap.version = (
         function() {
                 var ret=3;
-                Roo.each(document.styleSheets[0], function(s) {
-                    if (s.href.match(/css-bootstrap4/)) {
+                Roo.each(document.styleSheets, function(s) {
+                    if ( s.href  && s.href.match(/css-bootstrap4/)) {
                         ret=4;
                     }
                 });
         return ret;
-})();/*
+})(); /*
  * - LGPL
  *
  * base class for bootstrap elements.
@@ -1072,10 +1072,12 @@ Roo.extend(Roo.bootstrap.Column, Roo.bootstrap.Component,  {
             }
             
             if (!settings[size]) { // 0 = hidden
-                cfg.cls += ' hidden-' + size;
+                cfg.cls += ' hidden-' + size + ' hidden' + size + '-down';;
                 return;
             }
-            cfg.cls += ' col-' + size + '-' + settings[size];
+            cfg.cls += ' col-' + size + '-' + settings[size] + (
+                size == 'xs' ? (' col-' + settings[size] ) : '' // bs4 col-{num} replaces col-xs
+            );
             
         });
         
@@ -2060,13 +2062,13 @@ Roo.bootstrap.Menu = function(config){
     this.addEvents({
         /**
          * @event beforeshow
-         * Fires before this menu is displayed
+         * Fires before this menu is displayed (return false to block)
          * @param {Roo.menu.Menu} this
          */
         beforeshow : true,
         /**
          * @event beforehide
-         * Fires before this menu is hidden
+         * Fires before this menu is hidden (return false to block)
          * @param {Roo.menu.Menu} this
          */
         beforehide : true,
@@ -2268,7 +2270,7 @@ Roo.extend(Roo.bootstrap.Menu, Roo.bootstrap.Component,  {
     isVisible : function(){
         return !this.hidden;
     },
-     onMouseOut : function(e){
+    onMouseOut : function(e){
         var t  = this.findTargetItem(e);
         
         //if(t ){
@@ -2288,12 +2290,17 @@ Roo.extend(Roo.bootstrap.Menu, Roo.bootstrap.Component,  {
      * the element (defaults to this.defaultAlign)
      * @param {Roo.menu.Menu} parentMenu (optional) This menu's parent menu, if applicable (defaults to undefined)
      */
-    show : function(el, pos, parentMenu){
-        this.parentMenu = parentMenu;
+    show : function(el, pos, parentMenu)
+    {
+        if (false === this.fireEvent("beforeshow", this)) {
+           Roo.log("show canceled");
+           return;
+       }
+       this.parentMenu = parentMenu;
         if(!this.el){
             this.render();
         }
-        this.fireEvent("beforeshow", this);
+        
         this.showAt(this.el.getAlignToXY(el, pos || this.defaultAlign), parentMenu, false);
     },
      /**
@@ -2356,10 +2363,13 @@ Roo.extend(Roo.bootstrap.Menu, Roo.bootstrap.Component,  {
      */
     hide : function(deep)
     {
-        
+        if (false === this.fireEvent("beforehide", this)) {
+           Roo.log("hide canceled");
+           return;
+       }
         this.hideMenuItems();
         if(this.el && this.isVisible()){
-            this.fireEvent("beforehide", this);
+           
             if(this.activeItem){
                 this.activeItem.deactivate();
                 this.activeItem = null;
@@ -2426,16 +2436,11 @@ Roo.extend(Roo.bootstrap.Menu, Roo.bootstrap.Component,  {
         if (!this.el) { 
             return;
         }
-        //$(backdrop).remove()
+        
         this.el.select('.open',true).each(function(aa) {
             
             aa.removeClass('open');
-          //var parent = getParent($(this))
-          //var relatedTarget = { relatedTarget: this }
-          
-           //$parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget))
-          //if (e.isDefaultPrevented()) return
-           //$parent.removeClass('open').trigger('hidden.bs.dropdown', relatedTarget)
+         
         });
     },
     addxtypeChild : function (tree, cntr) {
@@ -2646,6 +2651,8 @@ Roo.extend(Roo.bootstrap.MenuSeparator, Roo.bootstrap.Component,  {
  * @cfg {Boolean} animate default true
  * @cfg {Boolean} allow_close default true
  * @cfg {Boolean} fitwindow default false
+ * @cfg {Number} width fixed width - usefull for chrome extension only really.
+ * @cfg {Number} height fixed height - usefull for chrome extension only really.
  * @cfg {String} size (sm|lg) default empty
  * @cfg {Number} max_width set the max width of modal
  *
@@ -3875,46 +3882,7 @@ Roo.extend(Roo.bootstrap.Navbar, Roo.bootstrap.Component,  {
     initEvents :function ()
     {
         //Roo.log(this.el.select('.navbar-toggle',true));
-        this.el.select('.navbar-toggle',true).on('click', function() {
-            if(this.fireEvent('beforetoggle', this) !== false){
-                var ce = this.el.select('.navbar-collapse',true).first();
-                ce.toggleClass('in'); // old...
-                if (ce.hasClass('collapse')) {
-                    // show it...
-                    ce.removeClass('collapse');
-                    ce.addClass('show');
-                    var h = ce.getHeight();
-                    Roo.log(h);
-                    ce.removeClass('show');
-                    // at this point we should be able to see it..
-                    ce.addClass('collapsing');
-                    
-                    ce.setHeight(0); // resize it ...
-                    ce.on('transitionend', function() {
-                        Roo.log('done transition');
-                        ce.removeClass('collapsing');
-                        ce.addClass('show');
-                        ce.removeClass('collapse');
-
-                        ce.dom.style.height = '';
-                    }, this, { single: true} );
-                    ce.setHeight(h);
-                    
-                } else {
-                    ce.setHeight(ce.getHeight());
-                    ce.removeClass('show');
-                    ce.addClass('collapsing');
-                    
-                    ce.on('transitionend', function() {
-                        ce.dom.style.height = '';
-                        ce.removeClass('collapsing');
-                        ce.addClass('collapse');
-                    }, this, { single: true} );
-                    ce.setHeight(0);
-                }
-            }
-            
-        }, this);
+        this.el.select('.navbar-toggle',true).on('click', this.onToggle , this);
         
         var mark = {
             tag: "div",
@@ -3936,7 +3904,7 @@ Roo.extend(Roo.bootstrap.Navbar, Roo.bootstrap.Component,  {
     
     getChildContainer : function()
     {
-        if (this.el.select('.collapse').getCount()) {
+        if (this.el && this.el.select('.collapse').getCount()) {
             return this.el.select('.collapse',true).first();
         }
         
@@ -3951,8 +3919,80 @@ Roo.extend(Roo.bootstrap.Navbar, Roo.bootstrap.Component,  {
     unmask : function()
     {
         this.maskEl.hide();
-    } 
+    },
+    onToggle : function()
+    {
+        
+        if(this.fireEvent('beforetoggle', this) === false){
+            return;
+        }
+        var ce = this.el.select('.navbar-collapse',true).first();
+      
+        if (!ce.hasClass('show')) {
+           this.expand();
+        } else {
+            this.collapse();
+        }
+        
+        
     
+    },
+    /**
+     * Expand the navbar pulldown 
+     */
+    expand : function ()
+    {
+       
+        var ce = this.el.select('.navbar-collapse',true).first();
+        if (ce.hasClass('collapsing')) {
+            return;
+        }
+        ce.dom.style.height = '';
+               // show it...
+        ce.addClass('in'); // old...
+        ce.removeClass('collapse');
+        ce.addClass('show');
+        var h = ce.getHeight();
+        Roo.log(h);
+        ce.removeClass('show');
+        // at this point we should be able to see it..
+        ce.addClass('collapsing');
+        
+        ce.setHeight(0); // resize it ...
+        ce.on('transitionend', function() {
+            //Roo.log('done transition');
+            ce.removeClass('collapsing');
+            ce.addClass('show');
+            ce.removeClass('collapse');
+
+            ce.dom.style.height = '';
+        }, this, { single: true} );
+        ce.setHeight(h);
+        ce.dom.scrollTop = 0;
+    },
+    /**
+     * Collapse the navbar pulldown 
+     */
+    collapse : function()
+    {
+         var ce = this.el.select('.navbar-collapse',true).first();
+       
+        if (ce.hasClass('collapsing') || ce.hasClass('collapse') ) {
+            // it's collapsed or collapsing..
+            return;
+        }
+        ce.removeClass('in'); // old...
+        ce.setHeight(ce.getHeight());
+        ce.removeClass('show');
+        ce.addClass('collapsing');
+        
+        ce.on('transitionend', function() {
+            ce.dom.style.height = '';
+            ce.removeClass('collapsing');
+            ce.addClass('collapse');
+        }, this, { single: true} );
+        ce.setHeight(0);
+    }
     
     
     
@@ -4019,7 +4059,7 @@ Roo.extend(Roo.bootstrap.NavSimplebar, Roo.bootstrap.Navbar,  {
         
         var cfg = {
             tag : this.tag || 'div',
-            cls : 'navbar navbar-expand-lg roo-navbar-simple'
+            cls : 'navbar roo-navbar-simple' //navbar-expand-lg ??
         };
        if (['light','white'].indexOf(this.weight) > -1) {
            cfg.cls += ['light','white'].indexOf(this.weight) > -1 ? ' navbar-light' : ' navbar-dark';
@@ -4033,13 +4073,16 @@ Roo.extend(Roo.bootstrap.NavSimplebar, Roo.bootstrap.Navbar,  {
        
        // i'm not actually sure these are really used - normally we add a navGroup to a navbar
        
-       //if (Roo.bootstrap.version == 4) {
-       //    return cfg;
-       //}
+       if (Roo.bootstrap.version == 4 && this.xtype == 'NavSimplebar') {
+           return cfg;
+       }
+       
+       
+    
        
         cfg.cn = [
             {
-                cls: 'nav',
+                cls: 'nav nav-' + this.xtype,
                 tag : 'ul'
             }
         ];
@@ -4181,7 +4224,7 @@ Roo.extend(Roo.bootstrap.NavHeaderbar, Roo.bootstrap.NavSimplebar,  {
         
         cn.push({
             tag: 'div',
-            cls: 'collapse navbar-collapse',
+            cls: Roo.bootstrap.version == 4  ? 'nav flex-row roo-navbar-collapse' : 'collapse navbar-collapse roo-navbar-collapse',
             cn : []
         });
         
@@ -4373,8 +4416,13 @@ Roo.extend(Roo.bootstrap.NavGroup, Roo.bootstrap.Component,  {
            if (['tabs','pills'].indexOf(this.type) != -1) {
                cfg.cls += ' nav-' + this.type; 
            } else {
-               cfg.cls += ' navbar-nav';
+               // trying to remove so header bar can right align top?
+               if (this.parent() && this.parent().xtype != 'NavHeaderbar') {
+                   // do not use on header bar... 
+                   cfg.cls += ' navbar-nav';
+               }
            }
+           
        } else {
            if (['tabs','pills'].indexOf(this.type) != -1) {
                cfg.cls += ' nav-' + this.type
@@ -4400,7 +4448,7 @@ Roo.extend(Roo.bootstrap.NavGroup, Roo.bootstrap.Component,  {
                 tag: 'form',
                 cls: 'navbar-form form-inline'
             };
-            
+            //nav navbar-right ml-md-auto
             if (this.align === 'right') {
                 cfg.cls += ' navbar-right ml-md-auto';
             } else {
@@ -4851,7 +4899,7 @@ Roo.extend(Roo.bootstrap.NavItem, Roo.bootstrap.Component,  {
         // if parent is a navbarheader....- and link is probably a '#' page ref.. then remove the expanded menu.
         if (p.parentType == 'NavHeaderbar' && !this.menu) {
             // remove the collapsed menu expand...
-            p.parent().el.select('.navbar-collapse',true).removeClass('in');  
+            p.parent().el.select('.roo-navbar-collapse',true).removeClass('in');  
         }
     },
     
@@ -5125,7 +5173,7 @@ Roo.extend(Roo.bootstrap.NavSidebarItem, Roo.bootstrap.NavItem,  {
             e.preventDefault();
         }
         
-        this.fireEvent('click', this);
+        this.fireEvent('click', this, e);
     },
     
     disable : function()
@@ -6772,8 +6820,10 @@ Roo.extend(Roo.bootstrap.Table, Roo.bootstrap.Component,  {
                 c.html = '<i class="glyphicon"></i>' + c.html;
             }
             
+            // could use BS4 hidden-..-down 
+            
             if(typeof(config.lgHeader) != 'undefined'){
-                hh += '<span class="hidden-xs hidden-sm hidden-md">' + config.lgHeader + '</span>';
+                hh += '<span class="hidden-xs hidden-sm hidden-md ">' + config.lgHeader + '</span>';
             }
             
             if(typeof(config.mdHeader) != 'undefined'){
@@ -6830,14 +6880,18 @@ Roo.extend(Roo.bootstrap.Table, Roo.bootstrap.Component,  {
                 if(typeof(config[size]) == 'undefined'){
                     return;
                 }
-                
+                 
                 if (!config[size]) { // 0 = hidden
-                    c.cls += ' hidden-' + size;
+                    // BS 4 '0' is treated as hide that column and below.
+                    c.cls += ' hidden-' + size + ' hidden' + size + '-down';
                     return;
                 }
                 
-                c.cls += ' col-' + size + '-' + config[size];
-
+                c.cls += ' col-' + size + '-' + config[size] + (
+                    size == 'xs' ? (' col-' + config[size] ) : '' // bs4 col-{num} replaces col-xs
+                );
+                
+                
             });
             
             header.cn.push(c)
@@ -7143,12 +7197,18 @@ Roo.extend(Roo.bootstrap.Table, Roo.bootstrap.Component,  {
                     return;
                 }
                 
+                
+                  
                 if (!config[size]) { // 0 = hidden
-                    td.cls += ' hidden-' + size;
+                    // BS 4 '0' is treated as hide that column and below.
+                    td.cls += ' hidden-' + size + ' hidden' + size + '-down';
                     return;
                 }
                 
-                td.cls += ' col-' + size + '-' + config[size];
+                td.cls += ' col-' + size + '-' + config[size] + (
+                    size == 'xs' ? (' col-' +   config[size] ) : '' // bs4 col-{num} replaces col-xs
+                );
+                 
 
             });
             
@@ -7903,7 +7963,8 @@ Roo.extend(Roo.form.Action.Submit, Roo.form.Action, {
                 url:this.getUrl(!isPost),
                 method: method,
                 params:isPost ? this.getParams() : null,
-                isUpload: this.form.fileUpload
+                isUpload: this.form.fileUpload,
+                formData : this.form.formData
             }));
             
             this.uploadProgress();
@@ -10396,7 +10457,7 @@ trigger.applyTo('my-field');
  * {@link Roo.bootstrap.DateField} and {@link Roo.bootstrap.ComboBox} are perfect examples of this.
  * @cfg {String} triggerClass An additional CSS class used to style the trigger button.  The trigger will always get the
  * class 'x-form-trigger' by default and triggerClass will be <b>appended</b> if specified.
- * @cfg {String} caret (search|calendar) a fontawesome for the trigger icon see http://fortawesome.github.io/Font-Awesome/icons/
+ * @cfg {String} caret (search|calendar) BS3 only - carat fa name
 
  * @constructor
  * Create a new TriggerField.
@@ -10604,7 +10665,7 @@ Roo.extend(Roo.bootstrap.TriggerField, Roo.bootstrap.Input,  {
                 tag :'span',
                 cls : 'input-group-addon input-group-append input-group-text btn dropdown-toggle',
                 cn : [
-                    caret,
+                    Roo.bootstrap.version == 3 ? caret : '',
                     {
                         tag: 'span',
                         cls: 'combobox-clear',
@@ -12378,7 +12439,7 @@ Roo.extend(Roo.data.MemoryProxy, Roo.data.DataProxy, {
         params = params || {};
         var result;
         try {
-            result = reader.readRecords(this.data);
+            result = reader.readRecords(params.data ? params.data :this.data);
         }catch(e){
             this.fireEvent("loadexception", this, arg, null, e);
             callback.call(scope, null, arg, false);
@@ -12985,24 +13046,31 @@ var myReader = new Roo.data.ArrayReader({
  * <pre><code>
 [ [1, 'Bill', 'Gardener'], [2, 'Ben', 'Horticulturalist'] ]
   </code></pre>
- * @cfg {String} id (optional) The subscript within row Array that provides an ID for the Record
  * @constructor
  * Create a new JsonReader
  * @param {Object} meta Metadata configuration options.
- * @param {Object} recordType Either an Array of field definition objects
+ * @param {Object|Array} recordType Either an Array of field definition objects
+ * 
+ * @cfg {Array} fields Array of field definition objects
+ * @cfg {String} id Name of the property within a row object that contains a record identifier value.
  * as specified to {@link Roo.data.Record#create},
  * or an {@link Roo.data.Record} object
+ *
+ * 
  * created using {@link Roo.data.Record#create}.
  */
 Roo.data.ArrayReader = function(meta, recordType){
-    Roo.data.ArrayReader.superclass.constructor.call(this, meta, recordType);
+    
+     
+    Roo.data.ArrayReader.superclass.constructor.call(this, meta, recordType||meta.fields);
 };
 
 Roo.extend(Roo.data.ArrayReader, Roo.data.JsonReader, {
     /**
      * Create a data block containing Roo.data.Records from an XML document.
      * @param {Object} o An Array of row objects which represents the dataset.
-     * @return {Object} data A data block which is used by an Roo.data.Store object as
+     * @return {Object} A data block which is used by an {@link Roo.data.Store} object as
      * a cache of Roo.data.Records.
      */
     readRecords : function(o){
@@ -15315,8 +15383,7 @@ Roo.extend(Roo.bootstrap.ComboBox, Roo.bootstrap.TriggerField, {
         if(!this.multiple && this.showToggleBtn){
             
             var caret = {
-                        tag: 'span',
-                        cls: 'caret'
+                cls: 'caret'
             };
             
             if (this.caret != false) {
@@ -15331,7 +15398,7 @@ Roo.extend(Roo.bootstrap.ComboBox, Roo.bootstrap.TriggerField, {
                 tag :'span',
                 cls : 'input-group-addon input-group-append input-group-text btn dropdown-toggle',
                 cn : [
-                    caret,
+                    Roo.bootstrap.version == 3 ? caret : '',
                     {
                         tag: 'span',
                         cls: 'combobox-clear',
@@ -22253,17 +22320,32 @@ Roo.extend(Roo.HtmlEditorCore, Roo.Component,  {
             html = this.cleanHtml(html);
             // fix up the special chars.. normaly like back quotes in word...
             // however we do not want to do this with chinese..
-            html = html.replace(/([\x80-\uffff])/g, function (a, b) {
-                var cc = b.charCodeAt();
-                if (
+            html = html.replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]|[\u0080-\uFFFF]/g, function(match) {
+                
+                var cc = match.charCodeAt();
+
+                // Get the character value, handling surrogate pairs
+                if (match.length == 2) {
+                    // It's a surrogate pair, calculate the Unicode code point
+                    var high = match.charCodeAt(0) - 0xD800;
+                    var low  = match.charCodeAt(1) - 0xDC00;
+                    cc = (high * 0x400) + low + 0x10000;
+                }  else if (
                     (cc >= 0x4E00 && cc < 0xA000 ) ||
                     (cc >= 0x3400 && cc < 0x4E00 ) ||
                     (cc >= 0xf900 && cc < 0xfb00 )
                 ) {
-                        return b;
-                }
-                return "&#"+cc+";" 
+                        return match;
+                }  
+         
+                // No, use a numeric entity. Here we brazenly (and possibly mistakenly)
+                return "&#" + cc + ";";
+                
+                
             });
+            
+            
+             
             if(this.owner.fireEvent('beforesync', this, html) !== false){
                 this.el.dom.value = html;
                 this.owner.fireEvent('sync', this, html);
@@ -23084,12 +23166,29 @@ Roo.extend(Roo.HtmlEditorCore, Roo.Component,  {
      */
     cleanWord : function(node)
     {
-        
-        
         if (!node) {
             this.cleanWord(this.doc.body);
             return;
         }
+        
+        if(
+                node.nodeName == 'SPAN' &&
+                !node.hasAttributes() &&
+                node.childNodes.length == 1 &&
+                node.firstChild.nodeName == "#text"  
+        ) {
+            var textNode = node.firstChild;
+            node.removeChild(textNode);
+            if (node.getAttribute('lang') != 'zh-CN') {   // do not space pad on chinese characters..
+                node.parentNode.insertBefore(node.ownerDocument.createTextNode(" "), node);
+            }
+            node.parentNode.insertBefore(textNode, node);
+            if (node.getAttribute('lang') != 'zh-CN') {   // do not space pad on chinese characters..
+                node.parentNode.insertBefore(node.ownerDocument.createTextNode(" ") , node);
+            }
+            node.parentNode.removeChild(node);
+        }
+        
         if (node.nodeName == "#text") {
             // clean up silly Windows -- stuff?
             return; 
@@ -24041,6 +24140,7 @@ Roo.namespace('Roo.bootstrap.htmleditor');
  * @class Roo.bootstrap.HtmlEditorToolbar1
  * Basic Toolbar
  * 
+ * @example
  * Usage:
  *
  new Roo.bootstrap.HtmlEditor({
@@ -27167,17 +27267,15 @@ Roo.apply(Roo.bootstrap.LocationPicker, {
     }
     
     
-});/*
- * - LGPL
- *
- * Alert
- * 
- */
-
-/**
+});/**
  * @class Roo.bootstrap.Alert
  * @extends Roo.bootstrap.Component
- * Bootstrap Alert class
+ * Bootstrap Alert class - shows an alert area box
+ * eg
+ * <div class="alert alert-danger" role="alert"><span class="fa fa-exclamation-triangle"></span><span class="sr-only">Error:</span>
+  Enter a valid email address
+</div>
+ * @licence LGPL
  * @cfg {String} title The title of alert
  * @cfg {String} html The content of alert
  * @cfg {String} weight (  success | info | warning | danger )
@@ -41499,4 +41597,601 @@ Roo.extend(Roo.bootstrap.MoneyField, Roo.bootstrap.ComboBox, {
         return this.el.select('input.hidden-number-input',true).first();
     }
     
-});
\ No newline at end of file
+});/**
+ * @class Roo.bootstrap.BezierSignature
+ * @extends Roo.bootstrap.Component
+ * Bootstrap BezierSignature class
+ * This script refer to:
+ *    Title: Signature Pad
+ *    Author: szimek
+ *    Availability: https://github.com/szimek/signature_pad
+ *
+ * @constructor
+ * Create a new BezierSignature
+ * @param {Object} config The config object
+ */
+
+Roo.bootstrap.BezierSignature = function(config){
+    Roo.bootstrap.BezierSignature.superclass.constructor.call(this, config);
+    this.addEvents({
+        "resize" : true
+    });
+};
+
+Roo.extend(Roo.bootstrap.BezierSignature, Roo.bootstrap.Component,
+{
+     
+    curve_data: [],
+    
+    is_empty: true,
+    
+    mouse_btn_down: true,
+    
+    /**
+     * @cfg {int} canvas height
+     */
+    canvas_height: '200px',
+    
+    /**
+     * @cfg {float|function} Radius of a single dot.
+     */ 
+    dot_size: false,
+    
+    /**
+     * @cfg {float} Minimum width of a line. Defaults to 0.5.
+     */
+    min_width: 0.5,
+    
+    /**
+     * @cfg {float} Maximum width of a line. Defaults to 2.5.
+     */
+    max_width: 2.5,
+    
+    /**
+     * @cfg {integer} Draw the next point at most once per every x milliseconds. Set it to 0 to turn off throttling. Defaults to 16.
+     */
+    throttle: 16,
+    
+    /**
+     * @cfg {integer} Add the next point only if the previous one is farther than x pixels. Defaults to 5.
+     */
+    min_distance: 5,
+    
+    /**
+     * @cfg {string} Color used to clear the background. Can be any color format accepted by context.fillStyle. Defaults to "rgba(0,0,0,0)" (transparent black). Use a non-transparent color e.g. "rgb(255,255,255)" (opaque white) if you'd like to save signatures as JPEG images.
+     */
+    bg_color: 'rgba(0, 0, 0, 0)',
+    
+    /**
+     * @cfg {string} Color used to draw the lines. Can be any color format accepted by context.fillStyle. Defaults to "black".
+     */
+    dot_color: 'black',
+    
+    /**
+     * @cfg {float} Weight used to modify new velocity based on the previous velocity. Defaults to 0.7.
+     */ 
+    velocity_filter_weight: 0.7,
+    
+    /**
+     * @cfg {function} Callback when stroke begin. 
+     */
+    onBegin: false,
+    
+    /**
+     * @cfg {function} Callback when stroke end.
+     */
+    onEnd: false,
+    
+    getAutoCreate : function()
+    {
+        var cls = 'roo-signature column';
+        
+        if(this.cls){
+            cls += ' ' + this.cls;
+        }
+        
+        var col_sizes = [
+            'lg',
+            'md',
+            'sm',
+            'xs'
+        ];
+        
+        for(var i = 0; i < col_sizes.length; i++) {
+            if(this[col_sizes[i]]) {
+                cls += " col-"+col_sizes[i]+"-"+this[col_sizes[i]];
+            }
+        }
+        
+        var cfg = {
+            tag: 'div',
+            cls: cls,
+            cn: [
+                {
+                    tag: 'div',
+                    cls: 'roo-signature-body',
+                    cn: [
+                        {
+                            tag: 'canvas',
+                            cls: 'roo-signature-body-canvas',
+                            height: this.canvas_height,
+                            width: this.canvas_width
+                        }
+                    ]
+                },
+                {
+                    tag: 'input',
+                    type: 'file',
+                    style: 'display: none'
+                }
+            ]
+        };
+        
+        return cfg;
+    },
+    
+    initEvents: function() 
+    {
+        Roo.bootstrap.BezierSignature.superclass.initEvents.call(this);
+        
+        var canvas = this.canvasEl();
+        
+        // mouse && touch event swapping...
+        canvas.dom.style.touchAction = 'none';
+        canvas.dom.style.msTouchAction = 'none';
+        
+        this.mouse_btn_down = false;
+        canvas.on('mousedown', this._handleMouseDown, this);
+        canvas.on('mousemove', this._handleMouseMove, this);
+        Roo.select('html').first().on('mouseup', this._handleMouseUp, this);
+        
+        if (window.PointerEvent) {
+            canvas.on('pointerdown', this._handleMouseDown, this);
+            canvas.on('pointermove', this._handleMouseMove, this);
+            Roo.select('html').first().on('pointerup', this._handleMouseUp, this);
+        }
+        
+        if ('ontouchstart' in window) {
+            canvas.on('touchstart', this._handleTouchStart, this);
+            canvas.on('touchmove', this._handleTouchMove, this);
+            canvas.on('touchend', this._handleTouchEnd, this);
+        }
+        
+        Roo.EventManager.onWindowResize(this.resize, this, true);
+        
+        // file input event
+        this.fileEl().on('change', this.uploadImage, this);
+        
+        this.clear();
+        
+        this.resize();
+    },
+    
+    resize: function(){
+        
+        var canvas = this.canvasEl().dom;
+        var ctx = this.canvasElCtx();
+        var img_data = false;
+        
+        if(canvas.width > 0) {
+            var img_data = ctx.getImageData(0, 0, canvas.width, canvas.height);
+        }
+        // setting canvas width will clean img data
+        canvas.width = 0;
+        
+        var style = window.getComputedStyle ? 
+            getComputedStyle(this.el.dom, null) : this.el.dom.currentStyle;
+            
+        var padding_left = parseInt(style.paddingLeft) || 0;
+        var padding_right = parseInt(style.paddingRight) || 0;
+        
+        canvas.width = this.el.dom.clientWidth - padding_left - padding_right;
+        
+        if(img_data) {
+            ctx.putImageData(img_data, 0, 0);
+        }
+    },
+    
+    _handleMouseDown: function(e)
+    {
+        if (e.browserEvent.which === 1) {
+            this.mouse_btn_down = true;
+            this.strokeBegin(e);
+        }
+    },
+    
+    _handleMouseMove: function (e)
+    {
+        if (this.mouse_btn_down) {
+            this.strokeMoveUpdate(e);
+        }
+    },
+    
+    _handleMouseUp: function (e)
+    {
+        if (e.browserEvent.which === 1 && this.mouse_btn_down) {
+            this.mouse_btn_down = false;
+            this.strokeEnd(e);
+        }
+    },
+    
+    _handleTouchStart: function (e) {
+        
+        e.preventDefault();
+        if (e.browserEvent.targetTouches.length === 1) {
+            // var touch = e.browserEvent.changedTouches[0];
+            // this.strokeBegin(touch);
+            
+             this.strokeBegin(e); // assume e catching the correct xy...
+        }
+    },
+    
+    _handleTouchMove: function (e) {
+        e.preventDefault();
+        // var touch = event.targetTouches[0];
+        // _this._strokeMoveUpdate(touch);
+        this.strokeMoveUpdate(e);
+    },
+    
+    _handleTouchEnd: function (e) {
+        var wasCanvasTouched = e.target === this.canvasEl().dom;
+        if (wasCanvasTouched) {
+            e.preventDefault();
+            // var touch = event.changedTouches[0];
+            // _this._strokeEnd(touch);
+            this.strokeEnd(e);
+        }
+    },
+    
+    reset: function () {
+        this._lastPoints = [];
+        this._lastVelocity = 0;
+        this._lastWidth = (this.min_width + this.max_width) / 2;
+        this.canvasElCtx().fillStyle = this.dot_color;
+    },
+    
+    strokeMoveUpdate: function(e)
+    {
+        this.strokeUpdate(e);
+        
+        if (this.throttle) {
+            this.throttleStroke(this.strokeUpdate, this.throttle);
+        }
+        else {
+            this.strokeUpdate(e);
+        }
+    },
+    
+    strokeBegin: function(e)
+    {
+        var newPointGroup = {
+            color: this.dot_color,
+            points: []
+        };
+        
+        if (typeof this.onBegin === 'function') {
+            this.onBegin(e);
+        }
+        
+        this.curve_data.push(newPointGroup);
+        this.reset();
+        this.strokeUpdate(e);
+    },
+    
+    strokeUpdate: function(e)
+    {
+        var rect = this.canvasEl().dom.getBoundingClientRect();
+        var point = new this.Point(e.xy[0] - rect.left, e.xy[1] - rect.top, new Date().getTime());
+        var lastPointGroup = this.curve_data[this.curve_data.length - 1];
+        var lastPoints = lastPointGroup.points;
+        var lastPoint = lastPoints.length > 0 && lastPoints[lastPoints.length - 1];
+        var isLastPointTooClose = lastPoint
+            ? point.distanceTo(lastPoint) <= this.min_distance
+            : false;
+        var color = lastPointGroup.color;
+        if (!lastPoint || !(lastPoint && isLastPointTooClose)) {
+            var curve = this.addPoint(point);
+            if (!lastPoint) {
+                this.drawDot({color: color, point: point});
+            }
+            else if (curve) {
+                this.drawCurve({color: color, curve: curve});
+            }
+            lastPoints.push({
+                time: point.time,
+                x: point.x,
+                y: point.y
+            });
+        }
+    },
+    
+    strokeEnd: function(e)
+    {
+        this.strokeUpdate(e);
+        if (typeof this.onEnd === 'function') {
+            this.onEnd(e);
+        }
+    },
+    
+    addPoint:  function (point) {
+        var _lastPoints = this._lastPoints;
+        _lastPoints.push(point);
+        if (_lastPoints.length > 2) {
+            if (_lastPoints.length === 3) {
+                _lastPoints.unshift(_lastPoints[0]);
+            }
+            var widths = this.calculateCurveWidths(_lastPoints[1], _lastPoints[2]);
+            var curve = this.Bezier.fromPoints(_lastPoints, widths, this);
+            _lastPoints.shift();
+            return curve;
+        }
+        return null;
+    },
+    
+    calculateCurveWidths: function (startPoint, endPoint) {
+        var velocity = this.velocity_filter_weight * endPoint.velocityFrom(startPoint) +
+            (1 - this.velocity_filter_weight) * this._lastVelocity;
+
+        var newWidth = Math.max(this.max_width / (velocity + 1), this.min_width);
+        var widths = {
+            end: newWidth,
+            start: this._lastWidth
+        };
+        
+        this._lastVelocity = velocity;
+        this._lastWidth = newWidth;
+        return widths;
+    },
+    
+    drawDot: function (_a) {
+        var color = _a.color, point = _a.point;
+        var ctx = this.canvasElCtx();
+        var width = typeof this.dot_size === 'function' ? this.dot_size() : this.dot_size;
+        ctx.beginPath();
+        this.drawCurveSegment(point.x, point.y, width);
+        ctx.closePath();
+        ctx.fillStyle = color;
+        ctx.fill();
+    },
+    
+    drawCurve: function (_a) {
+        var color = _a.color, curve = _a.curve;
+        var ctx = this.canvasElCtx();
+        var widthDelta = curve.endWidth - curve.startWidth;
+        var drawSteps = Math.floor(curve.length()) * 2;
+        ctx.beginPath();
+        ctx.fillStyle = color;
+        for (var i = 0; i < drawSteps; i += 1) {
+        var t = i / drawSteps;
+        var tt = t * t;
+        var ttt = tt * t;
+        var u = 1 - t;
+        var uu = u * u;
+        var uuu = uu * u;
+        var x = uuu * curve.startPoint.x;
+        x += 3 * uu * t * curve.control1.x;
+        x += 3 * u * tt * curve.control2.x;
+        x += ttt * curve.endPoint.x;
+        var y = uuu * curve.startPoint.y;
+        y += 3 * uu * t * curve.control1.y;
+        y += 3 * u * tt * curve.control2.y;
+        y += ttt * curve.endPoint.y;
+        var width = curve.startWidth + ttt * widthDelta;
+        this.drawCurveSegment(x, y, width);
+        }
+        ctx.closePath();
+        ctx.fill();
+    },
+    
+    drawCurveSegment: function (x, y, width) {
+        var ctx = this.canvasElCtx();
+        ctx.moveTo(x, y);
+        ctx.arc(x, y, width, 0, 2 * Math.PI, false);
+        this.is_empty = false;
+    },
+    
+    clear: function()
+    {
+        var ctx = this.canvasElCtx();
+        var canvas = this.canvasEl().dom;
+        ctx.fillStyle = this.bg_color;
+        ctx.clearRect(0, 0, canvas.width, canvas.height);
+        ctx.fillRect(0, 0, canvas.width, canvas.height);
+        this.curve_data = [];
+        this.reset();
+        this.is_empty = true;
+    },
+    
+    fileEl: function()
+    {
+        return  this.el.select('input',true).first();
+    },
+    
+    canvasEl: function()
+    {
+        return this.el.select('canvas',true).first();
+    },
+    
+    canvasElCtx: function()
+    {
+        return this.el.select('canvas',true).first().dom.getContext('2d');
+    },
+    
+    getImage: function(type)
+    {
+        if(this.is_empty) {
+            return false;
+        }
+        
+        // encryption ?
+        return this.canvasEl().dom.toDataURL('image/'+type, 1);
+    },
+    
+    drawFromImage: function(img_src)
+    {
+        var img = new Image();
+        
+        img.onload = function(){
+            this.canvasElCtx().drawImage(img, 0, 0);
+        }.bind(this);
+        
+        img.src = img_src;
+        
+        this.is_empty = false;
+    },
+    
+    selectImage: function()
+    {
+        this.fileEl().dom.click();
+    },
+    
+    uploadImage: function(e)
+    {
+        var reader = new FileReader();
+        
+        reader.onload = function(e){
+            var img = new Image();
+            img.onload = function(){
+                this.reset();
+                this.canvasElCtx().drawImage(img, 0, 0);
+            }.bind(this);
+            img.src = e.target.result;
+        }.bind(this);
+        
+        reader.readAsDataURL(e.target.files[0]);
+    },
+    
+    // Bezier Point Constructor
+    Point: (function () {
+        function Point(x, y, time) {
+            this.x = x;
+            this.y = y;
+            this.time = time || Date.now();
+        }
+        Point.prototype.distanceTo = function (start) {
+            return Math.sqrt(Math.pow(this.x - start.x, 2) + Math.pow(this.y - start.y, 2));
+        };
+        Point.prototype.equals = function (other) {
+            return this.x === other.x && this.y === other.y && this.time === other.time;
+        };
+        Point.prototype.velocityFrom = function (start) {
+            return this.time !== start.time
+            ? this.distanceTo(start) / (this.time - start.time)
+            : 0;
+        };
+        return Point;
+    }()),
+    
+    
+    // Bezier Constructor
+    Bezier: (function () {
+        function Bezier(startPoint, control2, control1, endPoint, startWidth, endWidth) {
+            this.startPoint = startPoint;
+            this.control2 = control2;
+            this.control1 = control1;
+            this.endPoint = endPoint;
+            this.startWidth = startWidth;
+            this.endWidth = endWidth;
+        }
+        Bezier.fromPoints = function (points, widths, scope) {
+            var c2 = this.calculateControlPoints(points[0], points[1], points[2], scope).c2;
+            var c3 = this.calculateControlPoints(points[1], points[2], points[3], scope).c1;
+            return new Bezier(points[1], c2, c3, points[2], widths.start, widths.end);
+        };
+        Bezier.calculateControlPoints = function (s1, s2, s3, scope) {
+            var dx1 = s1.x - s2.x;
+            var dy1 = s1.y - s2.y;
+            var dx2 = s2.x - s3.x;
+            var dy2 = s2.y - s3.y;
+            var m1 = { x: (s1.x + s2.x) / 2.0, y: (s1.y + s2.y) / 2.0 };
+            var m2 = { x: (s2.x + s3.x) / 2.0, y: (s2.y + s3.y) / 2.0 };
+            var l1 = Math.sqrt(dx1 * dx1 + dy1 * dy1);
+            var l2 = Math.sqrt(dx2 * dx2 + dy2 * dy2);
+            var dxm = m1.x - m2.x;
+            var dym = m1.y - m2.y;
+            var k = l2 / (l1 + l2);
+            var cm = { x: m2.x + dxm * k, y: m2.y + dym * k };
+            var tx = s2.x - cm.x;
+            var ty = s2.y - cm.y;
+            return {
+                c1: new scope.Point(m1.x + tx, m1.y + ty),
+                c2: new scope.Point(m2.x + tx, m2.y + ty)
+            };
+        };
+        Bezier.prototype.length = function () {
+            var steps = 10;
+            var length = 0;
+            var px;
+            var py;
+            for (var i = 0; i <= steps; i += 1) {
+                var t = i / steps;
+                var cx = this.point(t, this.startPoint.x, this.control1.x, this.control2.x, this.endPoint.x);
+                var cy = this.point(t, this.startPoint.y, this.control1.y, this.control2.y, this.endPoint.y);
+                if (i > 0) {
+                    var xdiff = cx - px;
+                    var ydiff = cy - py;
+                    length += Math.sqrt(xdiff * xdiff + ydiff * ydiff);
+                }
+                px = cx;
+                py = cy;
+            }
+            return length;
+        };
+        Bezier.prototype.point = function (t, start, c1, c2, end) {
+            return (start * (1.0 - t) * (1.0 - t) * (1.0 - t))
+            + (3.0 * c1 * (1.0 - t) * (1.0 - t) * t)
+            + (3.0 * c2 * (1.0 - t) * t * t)
+            + (end * t * t * t);
+        };
+        return Bezier;
+    }()),
+    
+    throttleStroke: function(fn, wait) {
+      if (wait === void 0) { wait = 250; }
+      var previous = 0;
+      var timeout = null;
+      var result;
+      var storedContext;
+      var storedArgs;
+      var later = function () {
+          previous = Date.now();
+          timeout = null;
+          result = fn.apply(storedContext, storedArgs);
+          if (!timeout) {
+              storedContext = null;
+              storedArgs = [];
+          }
+      };
+      return function wrapper() {
+          var args = [];
+          for (var _i = 0; _i < arguments.length; _i++) {
+              args[_i] = arguments[_i];
+          }
+          var now = Date.now();
+          var remaining = wait - (now - previous);
+          storedContext = this;
+          storedArgs = args;
+          if (remaining <= 0 || remaining > wait) {
+              if (timeout) {
+                  clearTimeout(timeout);
+                  timeout = null;
+              }
+              previous = now;
+              result = fn.apply(storedContext, storedArgs);
+              if (!timeout) {
+                  storedContext = null;
+                  storedArgs = [];
+              }
+          }
+          else if (!timeout) {
+              timeout = window.setTimeout(later, remaining);
+          }
+          return result;
+      };
+  }
+  
+});
+
+
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