docs/source/FileUploadField.html

   1 <html>\r
   2 <head>\r
   3   <title>The source code</title>\r
   4     <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
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   7 <body  onload="prettyPrint();">\r
   8     <pre class="prettyprint lang-js">Ext.ns('Ext.ux.form');
   9
  10 <div id="cls-Ext.ux.form.FileUploadField"></div>/**
  11  * @class Ext.ux.form.FileUploadField
  12  * @extends Ext.form.TextField
  13  * Creates a file upload field.
  14  * @xtype fileuploadfield
  15  */
  16 Ext.ux.form.FileUploadField = Ext.extend(Ext.form.TextField,  {
  17     <div id="cfg-Ext.ux.form.FileUploadField-buttonText"></div>/**
  18      * @cfg {String} buttonText The button text to display on the upload button (defaults to
  19      * 'Browse...').  Note that if you supply a value for {@link #buttonCfg}, the buttonCfg.text
  20      * value will be used instead if available.
  21      */
  22     buttonText: 'Browse...',
  23     <div id="cfg-Ext.ux.form.FileUploadField-buttonOnly"></div>/**
  24      * @cfg {Boolean} buttonOnly True to display the file upload field as a button with no visible
  25      * text field (defaults to false).  If true, all inherited TextField members will still be available.
  26      */
  27     buttonOnly: false,
  28     <div id="cfg-Ext.ux.form.FileUploadField-buttonOffset"></div>/**
  29      * @cfg {Number} buttonOffset The number of pixels of space reserved between the button and the text field
  30      * (defaults to 3).  Note that this only applies if {@link #buttonOnly} = false.
  31      */
  32     buttonOffset: 3,
  33     <div id="cfg-Ext.ux.form.FileUploadField-buttonCfg"></div>/**
  34      * @cfg {Object} buttonCfg A standard {@link Ext.Button} config object.
  35      */
  36
  37     // private
  38     readOnly: true,
  39
  40     <div id="method-Ext.ux.form.FileUploadField-autoSize"></div>/**
  41      * @hide
  42      * @method autoSize
  43      */
  44     autoSize: Ext.emptyFn,
  45
  46     // private
  47     initComponent: function(){
  48         Ext.ux.form.FileUploadField.superclass.initComponent.call(this);
  49
  50         this.addEvents(
  51             <div id="event-Ext.ux.form.FileUploadField-fileselected"></div>/**
  52              * @event fileselected
  53              * Fires when the underlying file input field's value has changed from the user
  54              * selecting a new file from the system file selection dialog.
  55              * @param {Ext.ux.form.FileUploadField} this
  56              * @param {String} value The file value returned by the underlying file input field
  57              */
  58             'fileselected'
  59         );
  60     },
  61
  62     // private
  63     onRender : function(ct, position){
  64         Ext.ux.form.FileUploadField.superclass.onRender.call(this, ct, position);
  65
  66         this.wrap = this.el.wrap({cls:'x-form-field-wrap x-form-file-wrap'});
  67         this.el.addClass('x-form-file-text');
  68         this.el.dom.removeAttribute('name');
  69
  70         this.fileInput = this.wrap.createChild({
  71             id: this.getFileInputId(),
  72             name: this.name||this.getId(),
  73             cls: 'x-form-file',
  74             tag: 'input',
  75             type: 'file',
  76             size: 1
  77         });
  78
  79         var btnCfg = Ext.applyIf(this.buttonCfg || {}, {
  80             text: this.buttonText
  81         });
  82         this.button = new Ext.Button(Ext.apply(btnCfg, {
  83             renderTo: this.wrap,
  84             cls: 'x-form-file-btn' + (btnCfg.iconCls ? ' x-btn-icon' : '')
  85         }));
  86
  87         if(this.buttonOnly){
  88             this.el.hide();
  89             this.wrap.setWidth(this.button.getEl().getWidth());
  90         }
  91
  92         this.fileInput.on('change', function(){
  93             var v = this.fileInput.dom.value;
  94             this.setValue(v);
  95             this.fireEvent('fileselected', this, v);
  96         }, this);
  97     },
  98
  99     // private
 100     getFileInputId: function(){
 101         return this.id + '-file';
 102     },
 103
 104     // private
 105     onResize : function(w, h){
 106         Ext.ux.form.FileUploadField.superclass.onResize.call(this, w, h);
 107
 108         this.wrap.setWidth(w);
 109
 110         if(!this.buttonOnly){
 111             var w = this.wrap.getWidth() - this.button.getEl().getWidth() - this.buttonOffset;
 112             this.el.setWidth(w);
 113         }
 114     },
 115
 116     // private
 117     onDestroy: function(){
 118         Ext.ux.form.FileUploadField.superclass.onDestroy.call(this);
 119         Ext.destroy(this.fileInput, this.button, this.wrap);
 120     },
 121
 122
 123     // private
 124     preFocus : Ext.emptyFn,
 125
 126     // private
 127     getResizeEl : function(){
 128         return this.wrap;
 129     },
 130
 131     // private
 132     getPositionEl : function(){
 133         return this.wrap;
 134     },
 135
 136     // private
 137     alignErrorIcon : function(){
 138         this.errorIcon.alignTo(this.wrap, 'tl-tr', [2, 0]);
 139     }
 140
 141 });
 142
 143 Ext.reg('fileuploadfield', Ext.ux.form.FileUploadField);
 144
 145 // backwards compat
 146 Ext.form.FileUploadField = Ext.ux.form.FileUploadField;
 147 </pre>    \r
 148 </body>\r
 149 </html>