[76] | 1 | /*! |
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| 2 | * Ext JS Library 3.4.0 |
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| 3 | * Copyright(c) 2006-2011 Sencha Inc. |
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| 4 | * licensing@sencha.com |
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| 5 | * http://www.sencha.com/license |
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| 6 | */ |
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| 7 | /** |
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| 8 | * @class Ext.form.NumberField |
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| 9 | * @extends Ext.form.TextField |
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| 10 | * Numeric text field that provides automatic keystroke filtering and numeric validation. |
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| 11 | * @constructor |
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| 12 | * Creates a new NumberField |
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| 13 | * @param {Object} config Configuration options |
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| 14 | * @xtype numberfield |
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| 15 | */ |
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| 16 | Ext.form.NumberField = Ext.extend(Ext.form.TextField, { |
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| 17 | /** |
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| 18 | * @cfg {RegExp} stripCharsRe @hide |
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| 19 | */ |
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| 20 | /** |
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| 21 | * @cfg {RegExp} maskRe @hide |
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| 22 | */ |
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| 23 | /** |
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| 24 | * @cfg {String} fieldClass The default CSS class for the field (defaults to "x-form-field x-form-num-field") |
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| 25 | */ |
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| 26 | fieldClass: "x-form-field x-form-num-field", |
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| 27 | |
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| 28 | /** |
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| 29 | * @cfg {Boolean} allowDecimals False to disallow decimal values (defaults to true) |
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| 30 | */ |
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| 31 | allowDecimals : true, |
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| 32 | |
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| 33 | /** |
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| 34 | * @cfg {String} decimalSeparator Character(s) to allow as the decimal separator (defaults to '.') |
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| 35 | */ |
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| 36 | decimalSeparator : ".", |
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| 37 | |
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| 38 | /** |
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| 39 | * @cfg {Number} decimalPrecision The maximum precision to display after the decimal separator (defaults to 2) |
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| 40 | */ |
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| 41 | decimalPrecision : 2, |
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| 42 | |
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| 43 | /** |
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| 44 | * @cfg {Boolean} allowNegative False to prevent entering a negative sign (defaults to true) |
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| 45 | */ |
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| 46 | allowNegative : true, |
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| 47 | |
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| 48 | /** |
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| 49 | * @cfg {Number} minValue The minimum allowed value (defaults to Number.NEGATIVE_INFINITY) |
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| 50 | */ |
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| 51 | minValue : Number.NEGATIVE_INFINITY, |
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| 52 | |
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| 53 | /** |
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| 54 | * @cfg {Number} maxValue The maximum allowed value (defaults to Number.MAX_VALUE) |
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| 55 | */ |
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| 56 | maxValue : Number.MAX_VALUE, |
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| 57 | |
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| 58 | /** |
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| 59 | * @cfg {String} minText Error text to display if the minimum value validation fails (defaults to "The minimum value for this field is {minValue}") |
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| 60 | */ |
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| 61 | minText : "The minimum value for this field is {0}", |
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| 62 | |
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| 63 | /** |
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| 64 | * @cfg {String} maxText Error text to display if the maximum value validation fails (defaults to "The maximum value for this field is {maxValue}") |
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| 65 | */ |
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| 66 | maxText : "The maximum value for this field is {0}", |
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| 67 | |
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| 68 | /** |
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| 69 | * @cfg {String} nanText Error text to display if the value is not a valid number. For example, this can happen |
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| 70 | * if a valid character like '.' or '-' is left in the field with no number (defaults to "{value} is not a valid number") |
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| 71 | */ |
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| 72 | nanText : "{0} is not a valid number", |
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| 73 | |
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| 74 | /** |
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| 75 | * @cfg {String} baseChars The base set of characters to evaluate as valid numbers (defaults to '0123456789'). |
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| 76 | */ |
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| 77 | baseChars : "0123456789", |
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| 78 | |
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| 79 | /** |
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| 80 | * @cfg {Boolean} autoStripChars True to automatically strip not allowed characters from the field. Defaults to <tt>false</tt> |
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| 81 | */ |
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| 82 | autoStripChars: false, |
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| 83 | |
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| 84 | // private |
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| 85 | initEvents : function() { |
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| 86 | var allowed = this.baseChars + ''; |
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| 87 | if (this.allowDecimals) { |
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| 88 | allowed += this.decimalSeparator; |
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| 89 | } |
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| 90 | if (this.allowNegative) { |
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| 91 | allowed += '-'; |
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| 92 | } |
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| 93 | allowed = Ext.escapeRe(allowed); |
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| 94 | this.maskRe = new RegExp('[' + allowed + ']'); |
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| 95 | if (this.autoStripChars) { |
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| 96 | this.stripCharsRe = new RegExp('[^' + allowed + ']', 'gi'); |
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| 97 | } |
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| 98 | |
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| 99 | Ext.form.NumberField.superclass.initEvents.call(this); |
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| 100 | }, |
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| 101 | |
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| 102 | /** |
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| 103 | * Runs all of NumberFields validations and returns an array of any errors. Note that this first |
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| 104 | * runs TextField's validations, so the returned array is an amalgamation of all field errors. |
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| 105 | * The additional validations run test that the value is a number, and that it is within the |
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| 106 | * configured min and max values. |
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| 107 | * @param {Mixed} value The value to get errors for (defaults to the current field value) |
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| 108 | * @return {Array} All validation errors for this field |
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| 109 | */ |
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| 110 | getErrors: function(value) { |
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| 111 | var errors = Ext.form.NumberField.superclass.getErrors.apply(this, arguments); |
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| 112 | |
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| 113 | value = Ext.isDefined(value) ? value : this.processValue(this.getRawValue()); |
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| 114 | |
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| 115 | if (value.length < 1) { // if it's blank and textfield didn't flag it then it's valid |
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| 116 | return errors; |
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| 117 | } |
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| 118 | |
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| 119 | value = String(value).replace(this.decimalSeparator, "."); |
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| 120 | |
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| 121 | if(isNaN(value)){ |
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| 122 | errors.push(String.format(this.nanText, value)); |
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| 123 | } |
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| 124 | |
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| 125 | var num = this.parseValue(value); |
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| 126 | |
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| 127 | if (num < this.minValue) { |
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| 128 | errors.push(String.format(this.minText, this.minValue)); |
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| 129 | } |
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| 130 | |
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| 131 | if (num > this.maxValue) { |
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| 132 | errors.push(String.format(this.maxText, this.maxValue)); |
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| 133 | } |
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| 134 | |
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| 135 | return errors; |
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| 136 | }, |
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| 137 | |
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| 138 | getValue : function() { |
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| 139 | return this.fixPrecision(this.parseValue(Ext.form.NumberField.superclass.getValue.call(this))); |
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| 140 | }, |
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| 141 | |
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| 142 | setValue : function(v) { |
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| 143 | v = Ext.isNumber(v) ? v : parseFloat(String(v).replace(this.decimalSeparator, ".")); |
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| 144 | v = this.fixPrecision(v); |
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| 145 | v = isNaN(v) ? '' : String(v).replace(".", this.decimalSeparator); |
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| 146 | return Ext.form.NumberField.superclass.setValue.call(this, v); |
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| 147 | }, |
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| 148 | |
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| 149 | /** |
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| 150 | * Replaces any existing {@link #minValue} with the new value. |
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| 151 | * @param {Number} value The minimum value |
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| 152 | */ |
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| 153 | setMinValue : function(value) { |
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| 154 | this.minValue = Ext.num(value, Number.NEGATIVE_INFINITY); |
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| 155 | }, |
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| 156 | |
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| 157 | /** |
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| 158 | * Replaces any existing {@link #maxValue} with the new value. |
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| 159 | * @param {Number} value The maximum value |
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| 160 | */ |
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| 161 | setMaxValue : function(value) { |
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| 162 | this.maxValue = Ext.num(value, Number.MAX_VALUE); |
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| 163 | }, |
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| 164 | |
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| 165 | // private |
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| 166 | parseValue : function(value) { |
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| 167 | value = parseFloat(String(value).replace(this.decimalSeparator, ".")); |
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| 168 | return isNaN(value) ? '' : value; |
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| 169 | }, |
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| 170 | |
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| 171 | /** |
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| 172 | * @private |
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| 173 | * |
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| 174 | */ |
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| 175 | fixPrecision : function(value) { |
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| 176 | var nan = isNaN(value); |
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| 177 | |
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| 178 | if (!this.allowDecimals || this.decimalPrecision == -1 || nan || !value) { |
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| 179 | return nan ? '' : value; |
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| 180 | } |
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| 181 | |
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| 182 | return parseFloat(parseFloat(value).toFixed(this.decimalPrecision)); |
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| 183 | }, |
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| 184 | |
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| 185 | beforeBlur : function() { |
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| 186 | var v = this.parseValue(this.getRawValue()); |
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| 187 | |
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| 188 | if (!Ext.isEmpty(v)) { |
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| 189 | this.setValue(v); |
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| 190 | } |
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| 191 | } |
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| 192 | }); |
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| 193 | |
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| 194 | Ext.reg('numberfield', Ext.form.NumberField); |
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