1 | /*! |
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2 | * Ext JS Library 3.0.0 |
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3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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4 | * licensing@extjs.com |
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5 | * http://www.extjs.com/license |
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6 | */ |
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7 | Ext.ns('Ext.ux.form'); |
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8 | |
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9 | /** |
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10 | * @class Ext.ux.form.FileUploadField |
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11 | * @extends Ext.form.TextField |
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12 | * Creates a file upload field. |
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13 | * @xtype fileuploadfield |
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14 | */ |
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15 | Ext.ux.form.FileUploadField = Ext.extend(Ext.form.TextField, { |
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16 | /** |
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17 | * @cfg {String} buttonText The button text to display on the upload button (defaults to |
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18 | * 'Browse...'). Note that if you supply a value for {@link #buttonCfg}, the buttonCfg.text |
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19 | * value will be used instead if available. |
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20 | */ |
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21 | buttonText: 'Browse...', |
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22 | /** |
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23 | * @cfg {Boolean} buttonOnly True to display the file upload field as a button with no visible |
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24 | * text field (defaults to false). If true, all inherited TextField members will still be available. |
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25 | */ |
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26 | buttonOnly: false, |
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27 | /** |
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28 | * @cfg {Number} buttonOffset The number of pixels of space reserved between the button and the text field |
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29 | * (defaults to 3). Note that this only applies if {@link #buttonOnly} = false. |
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30 | */ |
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31 | buttonOffset: 3, |
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32 | /** |
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33 | * @cfg {Object} buttonCfg A standard {@link Ext.Button} config object. |
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34 | */ |
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35 | |
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36 | // private |
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37 | readOnly: true, |
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38 | |
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39 | /** |
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40 | * @hide |
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41 | * @method autoSize |
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42 | */ |
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43 | autoSize: Ext.emptyFn, |
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44 | |
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45 | // private |
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46 | initComponent: function(){ |
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47 | Ext.ux.form.FileUploadField.superclass.initComponent.call(this); |
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48 | |
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49 | this.addEvents( |
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50 | /** |
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51 | * @event fileselected |
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52 | * Fires when the underlying file input field's value has changed from the user |
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53 | * selecting a new file from the system file selection dialog. |
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54 | * @param {Ext.ux.form.FileUploadField} this |
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55 | * @param {String} value The file value returned by the underlying file input field |
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56 | */ |
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57 | 'fileselected' |
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58 | ); |
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59 | }, |
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60 | |
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61 | // private |
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62 | onRender : function(ct, position){ |
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63 | Ext.ux.form.FileUploadField.superclass.onRender.call(this, ct, position); |
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64 | |
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65 | this.wrap = this.el.wrap({cls:'x-form-field-wrap x-form-file-wrap'}); |
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66 | this.el.addClass('x-form-file-text'); |
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67 | this.el.dom.removeAttribute('name'); |
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68 | |
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69 | this.fileInput = this.wrap.createChild({ |
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70 | id: this.getFileInputId(), |
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71 | name: this.name||this.getId(), |
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72 | cls: 'x-form-file', |
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73 | tag: 'input', |
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74 | type: 'file', |
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75 | size: 1 |
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76 | }); |
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77 | |
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78 | var btnCfg = Ext.applyIf(this.buttonCfg || {}, { |
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79 | text: this.buttonText |
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80 | }); |
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81 | this.button = new Ext.Button(Ext.apply(btnCfg, { |
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82 | renderTo: this.wrap, |
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83 | cls: 'x-form-file-btn' + (btnCfg.iconCls ? ' x-btn-icon' : '') |
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84 | })); |
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85 | |
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86 | if(this.buttonOnly){ |
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87 | this.el.hide(); |
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88 | this.wrap.setWidth(this.button.getEl().getWidth()); |
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89 | } |
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90 | |
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91 | this.fileInput.on('change', function(){ |
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92 | var v = this.fileInput.dom.value; |
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93 | this.setValue(v); |
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94 | this.fireEvent('fileselected', this, v); |
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95 | }, this); |
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96 | }, |
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97 | |
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98 | // private |
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99 | getFileInputId: function(){ |
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100 | return this.id + '-file'; |
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101 | }, |
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102 | |
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103 | // private |
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104 | onResize : function(w, h){ |
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105 | Ext.ux.form.FileUploadField.superclass.onResize.call(this, w, h); |
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106 | |
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107 | this.wrap.setWidth(w); |
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108 | |
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109 | if(!this.buttonOnly){ |
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110 | var w = this.wrap.getWidth() - this.button.getEl().getWidth() - this.buttonOffset; |
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111 | this.el.setWidth(w); |
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112 | } |
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113 | }, |
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114 | |
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115 | // private |
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116 | onDestroy: function(){ |
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117 | Ext.ux.form.FileUploadField.superclass.onDestroy.call(this); |
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118 | Ext.destroy(this.fileInput, this.button, this.wrap); |
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119 | }, |
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120 | |
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121 | |
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122 | // private |
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123 | preFocus : Ext.emptyFn, |
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124 | |
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125 | // private |
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126 | getResizeEl : function(){ |
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127 | return this.wrap; |
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128 | }, |
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129 | |
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130 | // private |
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131 | getPositionEl : function(){ |
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132 | return this.wrap; |
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133 | }, |
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134 | |
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135 | // private |
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136 | alignErrorIcon : function(){ |
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137 | this.errorIcon.alignTo(this.wrap, 'tl-tr', [2, 0]); |
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138 | } |
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139 | |
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140 | }); |
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141 | |
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142 | Ext.reg('fileuploadfield', Ext.ux.form.FileUploadField); |
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143 | |
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144 | // backwards compat |
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145 | Ext.form.FileUploadField = Ext.ux.form.FileUploadField; |
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