1 | /*! |
---|
2 | * Ext JS Library 3.0.0 |
---|
3 | * Copyright(c) 2006-2009 Ext JS, LLC |
---|
4 | * licensing@extjs.com |
---|
5 | * http://www.extjs.com/license |
---|
6 | */ |
---|
7 | /** |
---|
8 | * @class Ext.form.NumberField |
---|
9 | * @extends Ext.form.TextField |
---|
10 | * Numeric text field that provides automatic keystroke filtering and numeric validation. |
---|
11 | * @constructor |
---|
12 | * Creates a new NumberField |
---|
13 | * @param {Object} config Configuration options |
---|
14 | * @xtype numberfield |
---|
15 | */ |
---|
16 | Ext.form.NumberField = Ext.extend(Ext.form.TextField, { |
---|
17 | /** |
---|
18 | * @cfg {RegExp} stripCharsRe @hide |
---|
19 | */ |
---|
20 | /** |
---|
21 | * @cfg {RegExp} maskRe @hide |
---|
22 | */ |
---|
23 | /** |
---|
24 | * @cfg {String} fieldClass The default CSS class for the field (defaults to "x-form-field x-form-num-field") |
---|
25 | */ |
---|
26 | fieldClass: "x-form-field x-form-num-field", |
---|
27 | /** |
---|
28 | * @cfg {Boolean} allowDecimals False to disallow decimal values (defaults to true) |
---|
29 | */ |
---|
30 | allowDecimals : true, |
---|
31 | /** |
---|
32 | * @cfg {String} decimalSeparator Character(s) to allow as the decimal separator (defaults to '.') |
---|
33 | */ |
---|
34 | decimalSeparator : ".", |
---|
35 | /** |
---|
36 | * @cfg {Number} decimalPrecision The maximum precision to display after the decimal separator (defaults to 2) |
---|
37 | */ |
---|
38 | decimalPrecision : 2, |
---|
39 | /** |
---|
40 | * @cfg {Boolean} allowNegative False to prevent entering a negative sign (defaults to true) |
---|
41 | */ |
---|
42 | allowNegative : true, |
---|
43 | /** |
---|
44 | * @cfg {Number} minValue The minimum allowed value (defaults to Number.NEGATIVE_INFINITY) |
---|
45 | */ |
---|
46 | minValue : Number.NEGATIVE_INFINITY, |
---|
47 | /** |
---|
48 | * @cfg {Number} maxValue The maximum allowed value (defaults to Number.MAX_VALUE) |
---|
49 | */ |
---|
50 | maxValue : Number.MAX_VALUE, |
---|
51 | /** |
---|
52 | * @cfg {String} minText Error text to display if the minimum value validation fails (defaults to "The minimum value for this field is {minValue}") |
---|
53 | */ |
---|
54 | minText : "The minimum value for this field is {0}", |
---|
55 | /** |
---|
56 | * @cfg {String} maxText Error text to display if the maximum value validation fails (defaults to "The maximum value for this field is {maxValue}") |
---|
57 | */ |
---|
58 | maxText : "The maximum value for this field is {0}", |
---|
59 | /** |
---|
60 | * @cfg {String} nanText Error text to display if the value is not a valid number. For example, this can happen |
---|
61 | * if a valid character like '.' or '-' is left in the field with no number (defaults to "{value} is not a valid number") |
---|
62 | */ |
---|
63 | nanText : "{0} is not a valid number", |
---|
64 | /** |
---|
65 | * @cfg {String} baseChars The base set of characters to evaluate as valid numbers (defaults to '0123456789'). |
---|
66 | */ |
---|
67 | baseChars : "0123456789", |
---|
68 | |
---|
69 | // private |
---|
70 | initEvents : function(){ |
---|
71 | var allowed = this.baseChars + ''; |
---|
72 | if (this.allowDecimals) { |
---|
73 | allowed += this.decimalSeparator; |
---|
74 | } |
---|
75 | if (this.allowNegative) { |
---|
76 | allowed += '-'; |
---|
77 | } |
---|
78 | this.maskRe = new RegExp('[' + Ext.escapeRe(allowed) + ']'); |
---|
79 | Ext.form.NumberField.superclass.initEvents.call(this); |
---|
80 | }, |
---|
81 | |
---|
82 | // private |
---|
83 | validateValue : function(value){ |
---|
84 | if(!Ext.form.NumberField.superclass.validateValue.call(this, value)){ |
---|
85 | return false; |
---|
86 | } |
---|
87 | if(value.length < 1){ // if it's blank and textfield didn't flag it then it's valid |
---|
88 | return true; |
---|
89 | } |
---|
90 | value = String(value).replace(this.decimalSeparator, "."); |
---|
91 | if(isNaN(value)){ |
---|
92 | this.markInvalid(String.format(this.nanText, value)); |
---|
93 | return false; |
---|
94 | } |
---|
95 | var num = this.parseValue(value); |
---|
96 | if(num < this.minValue){ |
---|
97 | this.markInvalid(String.format(this.minText, this.minValue)); |
---|
98 | return false; |
---|
99 | } |
---|
100 | if(num > this.maxValue){ |
---|
101 | this.markInvalid(String.format(this.maxText, this.maxValue)); |
---|
102 | return false; |
---|
103 | } |
---|
104 | return true; |
---|
105 | }, |
---|
106 | |
---|
107 | getValue : function(){ |
---|
108 | return this.fixPrecision(this.parseValue(Ext.form.NumberField.superclass.getValue.call(this))); |
---|
109 | }, |
---|
110 | |
---|
111 | setValue : function(v){ |
---|
112 | v = typeof v == 'number' ? v : parseFloat(String(v).replace(this.decimalSeparator, ".")); |
---|
113 | v = isNaN(v) ? '' : String(v).replace(".", this.decimalSeparator); |
---|
114 | return Ext.form.NumberField.superclass.setValue.call(this, v); |
---|
115 | }, |
---|
116 | |
---|
117 | // private |
---|
118 | parseValue : function(value){ |
---|
119 | value = parseFloat(String(value).replace(this.decimalSeparator, ".")); |
---|
120 | return isNaN(value) ? '' : value; |
---|
121 | }, |
---|
122 | |
---|
123 | // private |
---|
124 | fixPrecision : function(value){ |
---|
125 | var nan = isNaN(value); |
---|
126 | if(!this.allowDecimals || this.decimalPrecision == -1 || nan || !value){ |
---|
127 | return nan ? '' : value; |
---|
128 | } |
---|
129 | return parseFloat(parseFloat(value).toFixed(this.decimalPrecision)); |
---|
130 | }, |
---|
131 | |
---|
132 | beforeBlur : function(){ |
---|
133 | var v = this.parseValue(this.getRawValue()); |
---|
134 | if(!Ext.isEmpty(v)){ |
---|
135 | this.setValue(this.fixPrecision(v)); |
---|
136 | } |
---|
137 | } |
---|
138 | }); |
---|
139 | Ext.reg('numberfield', Ext.form.NumberField); |
---|