4 * Copyright(c) 2006-2007, Ext JS, LLC.
6 * Originally Released Under LGPL - original licence link has changed is not relivant.
9 * <script type="text/javascript">
14 * @class Roo.form.NumberField
15 * @extends Roo.form.TextField
16 * Numeric text field that provides automatic keystroke filtering and numeric validation.
18 * Creates a new NumberField
19 * @param {Object} config Configuration options
21 Roo.form.NumberField = function(config){
22 Roo.form.NumberField.superclass.constructor.call(this, config);
25 Roo.extend(Roo.form.NumberField, Roo.form.TextField, {
27 * @cfg {String} fieldClass The default CSS class for the field (defaults to "x-form-field x-form-num-field")
29 fieldClass: "x-form-field x-form-num-field",
31 * @cfg {Boolean} allowDecimals False to disallow decimal values (defaults to true)
35 * @cfg {String} decimalSeparator Character(s) to allow as the decimal separator (defaults to '.')
37 decimalSeparator : ".",
39 * @cfg {String} thousandSeparator Character(s) to allow as the thousand separator (defaults to '') - set to ',' for example
41 thousandSeparator : "",
43 * @cfg {Number} decimalPrecision The maximum precision to display after the decimal separator (defaults to 2)
47 * @cfg {Boolean} allowNegative False to prevent entering a negative sign (defaults to true)
51 * @cfg {Number} minValue The minimum allowed value (defaults to Number.NEGATIVE_INFINITY)
53 minValue : Number.NEGATIVE_INFINITY,
55 * @cfg {Number} maxValue The maximum allowed value (defaults to Number.MAX_VALUE)
57 maxValue : Number.MAX_VALUE,
59 * @cfg {String} minText Error text to display if the minimum value validation fails (defaults to "The minimum value for this field is {minValue}")
61 minText : "The minimum value for this field is {0}",
63 * @cfg {String} maxText Error text to display if the maximum value validation fails (defaults to "The maximum value for this field is {maxValue}")
65 maxText : "The maximum value for this field is {0}",
67 * @cfg {String} nanText Error text to display if the value is not a valid number. For example, this can happen
68 * if a valid character like '.' or '-' is left in the field with no number (defaults to "{value} is not a valid number")
70 nanText : "{0} is not a valid number",
74 onRender : function(ct, position)
76 Roo.form.TextField.superclass.onRender.call(this, ct, position);
78 //this.el.dom.removeAttribute('name');
79 Roo.log("Changing name?");
80 if (this.thousandSeparator != '') {
81 this.el.dom.setAttribute('name', this.name + '____hidden___' );
82 this.hiddenField = this.el.insertSibling({ tag:'input', type:'hidden', name: this.name },
84 this.hiddenField.value = this.value ? this.parseValue(this.value) : '';
85 this.el.on('blur', this.onBlur, this);
88 // prevent input submission
95 if(!Roo.isOpera && this.focusClass){ // don't touch in Opera
96 this.el.removeClass(this.focusClass);
98 this.hasFocus = false;
99 if(this.validationEvent !== false && this.validateOnBlur && this.validationEvent != "blur"){
102 var v = this.getValue();
103 if(String(v) !== String(this.startValue)){
104 this.setValue( this.parseValue(v));
105 this.fireEvent('change', this, v, this.startValue);
107 this.fireEvent("blur", this);
110 // override name, so that it works with hidden field.
112 if (this.thousandSeparator != '') {
115 return Roo.form.TextField.superclass.getName.call(this);
118 initEvents : function(){
120 var allowed = "0123456789";
121 if(this.allowDecimals){
122 allowed += this.decimalSeparator;
124 allowed += this.thousandSeparator;
125 if(this.allowNegative){
128 this.stripCharsRe = new RegExp('[^'+allowed+']', 'gi');
129 var keyPress = function(e){
131 if(!Roo.isIE && (e.isSpecialKey() || k == e.BACKSPACE || k == e.DELETE)){
134 var c = e.getCharCode();
135 if(allowed.indexOf(String.fromCharCode(c)) === -1){
139 this.el.on("keypress", keyPress, this);
143 validateValue : function(value){
144 if(!Roo.form.NumberField.superclass.validateValue.call(this, value)){
147 if(value.length < 1){ // if it's blank and textfield didn't flag it then it's valid
150 var num = this.parseValue(value);
152 this.markInvalid(String.format(this.nanText, value));
155 if(num < this.minValue){
156 this.markInvalid(String.format(this.minText, this.minValue));
159 if(num > this.maxValue){
160 this.markInvalid(String.format(this.maxText, this.maxValue));
166 getValue : function(){
167 return this.fixPrecision(this.parseValue(Roo.form.NumberField.superclass.getValue.call(this)));
171 parseValue : function(value){
172 value = parseFloat(String(value).replace(this.decimalSeparator, ".").split(this.thousandSeparator).join(''));
173 return isNaN(value) ? '' : value;
177 fixPrecision : function(value){
178 var nan = isNaN(value);
179 if(!this.allowDecimals || this.decimalPrecision == -1 || nan || !value){
180 return nan ? '' : value;
182 return parseFloat(value).toFixed(this.decimalPrecision);
185 setValue : function(v){
186 v = this.fixPrecision(v);
187 if(this.thousandSeparator != ''){
188 v = Roo.util.Format.number(v, this.decimalPrecision, this.thousandSeparator);
190 Roo.form.NumberField.superclass.setValue.call(this, String(v).replace(".", this.decimalSeparator));
191 if (this.hiddenField !== false) {
192 this.hiddenField.value = v ? this.parseValue(v) : '';
199 decimalPrecisionFcn : function(v){
200 return Math.floor(v);
203 beforeBlur : function(){
204 var v = this.parseValue(this.getRawValue());