/*!
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* Ext JS Library 3.1.0
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* Copyright(c) 2006-2009 Ext JS, LLC
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* licensing@extjs.com
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* http://www.extjs.com/license
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*/
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/**
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* @class Ext.form.NumberField
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* @extends Ext.form.TextField
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* Numeric text field that provides automatic keystroke filtering and numeric validation.
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* @constructor
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* Creates a new NumberField
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* @param {Object} config Configuration options
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* @xtype numberfield
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*/
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Ext.form.NumberField = Ext.extend(Ext.form.TextField, {
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/**
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* @cfg {RegExp} stripCharsRe @hide
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*/
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/**
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* @cfg {RegExp} maskRe @hide
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*/
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/**
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* @cfg {String} fieldClass The default CSS class for the field (defaults to "x-form-field x-form-num-field")
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*/
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fieldClass: "x-form-field x-form-num-field",
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/**
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* @cfg {Boolean} allowDecimals False to disallow decimal values (defaults to true)
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*/
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allowDecimals : true,
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/**
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* @cfg {String} decimalSeparator Character(s) to allow as the decimal separator (defaults to '.')
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*/
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decimalSeparator : ".",
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/**
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* @cfg {Number} decimalPrecision The maximum precision to display after the decimal separator (defaults to 2)
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*/
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decimalPrecision : 2,
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/**
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* @cfg {Boolean} allowNegative False to prevent entering a negative sign (defaults to true)
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*/
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allowNegative : true,
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/**
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* @cfg {Number} minValue The minimum allowed value (defaults to Number.NEGATIVE_INFINITY)
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*/
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minValue : Number.NEGATIVE_INFINITY,
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/**
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* @cfg {Number} maxValue The maximum allowed value (defaults to Number.MAX_VALUE)
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*/
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maxValue : Number.MAX_VALUE,
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/**
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* @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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*/
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minText : "The minimum value for this field is {0}",
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/**
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* @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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*/
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maxText : "The maximum value for this field is {0}",
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/**
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* @cfg {String} nanText Error text to display if the value is not a valid number. For example, this can happen
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* 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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*/
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nanText : "{0} is not a valid number",
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/**
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* @cfg {String} baseChars The base set of characters to evaluate as valid numbers (defaults to '0123456789').
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*/
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baseChars : "0123456789",
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// private
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initEvents : function(){
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var allowed = this.baseChars + '';
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if (this.allowDecimals) {
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allowed += this.decimalSeparator;
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}
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if (this.allowNegative) {
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allowed += '-';
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}
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this.maskRe = new RegExp('[' + Ext.escapeRe(allowed) + ']');
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Ext.form.NumberField.superclass.initEvents.call(this);
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},
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// private
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validateValue : function(value){
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if(!Ext.form.NumberField.superclass.validateValue.call(this, value)){
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return false;
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}
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if(value.length < 1){ // if it's blank and textfield didn't flag it then it's valid
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return true;
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}
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value = String(value).replace(this.decimalSeparator, ".");
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if(isNaN(value)){
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this.markInvalid(String.format(this.nanText, value));
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return false;
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}
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var num = this.parseValue(value);
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if(num < this.minValue){
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this.markInvalid(String.format(this.minText, this.minValue));
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return false;
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}
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if(num > this.maxValue){
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this.markInvalid(String.format(this.maxText, this.maxValue));
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return false;
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}
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return true;
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},
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getValue : function(){
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return this.fixPrecision(this.parseValue(Ext.form.NumberField.superclass.getValue.call(this)));
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},
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setValue : function(v){
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v = Ext.isNumber(v) ? v : parseFloat(String(v).replace(this.decimalSeparator, "."));
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v = isNaN(v) ? '' : String(v).replace(".", this.decimalSeparator);
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return Ext.form.NumberField.superclass.setValue.call(this, v);
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},
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/**
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* Replaces any existing {@link #minValue} with the new value.
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* @param {Number} value The minimum value
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*/
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setMinValue : function(value){
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this.minValue = Ext.num(value, Number.NEGATIVE_INFINITY);
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},
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/**
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* Replaces any existing {@link #maxValue} with the new value.
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* @param {Number} value The maximum value
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*/
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setMaxValue : function(value){
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this.maxValue = Ext.num(value, Number.MAX_VALUE);
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},
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// private
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parseValue : function(value){
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value = parseFloat(String(value).replace(this.decimalSeparator, "."));
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return isNaN(value) ? '' : value;
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},
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// private
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fixPrecision : function(value){
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var nan = isNaN(value);
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if(!this.allowDecimals || this.decimalPrecision == -1 || nan || !value){
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return nan ? '' : value;
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}
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return parseFloat(parseFloat(value).toFixed(this.decimalPrecision));
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},
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beforeBlur : function(){
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var v = this.parseValue(this.getRawValue());
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if(!Ext.isEmpty(v)){
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this.setValue(this.fixPrecision(v));
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}
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}
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});
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Ext.reg('numberfield', Ext.form.NumberField);
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