/*!
 * Ext JS Library 3.3.0
 * Copyright(c) 2006-2010 Ext JS, Inc.
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
/** * @class Ext.form.NumberField * @extends Ext.form.TextField * Numeric text field that provides automatic keystroke filtering and numeric validation. * @constructor * Creates a new NumberField * @param {Object} config Configuration options * @xtype numberfield */ Ext.form.NumberField = Ext.extend(Ext.form.TextField, {
/** * @cfg {RegExp} stripCharsRe @hide */
/** * @cfg {RegExp} maskRe @hide */
/** * @cfg {String} fieldClass The default CSS class for the field (defaults to "x-form-field x-form-num-field") */ fieldClass: "x-form-field x-form-num-field",
/** * @cfg {Boolean} allowDecimals False to disallow decimal values (defaults to true) */ allowDecimals : true,
/** * @cfg {String} decimalSeparator Character(s) to allow as the decimal separator (defaults to '.') */ decimalSeparator : ".",
/** * @cfg {Number} decimalPrecision The maximum precision to display after the decimal separator (defaults to 2) */ decimalPrecision : 2,
/** * @cfg {Boolean} allowNegative False to prevent entering a negative sign (defaults to true) */ allowNegative : true,
/** * @cfg {Number} minValue The minimum allowed value (defaults to Number.NEGATIVE_INFINITY) */ minValue : Number.NEGATIVE_INFINITY,
/** * @cfg {Number} maxValue The maximum allowed value (defaults to Number.MAX_VALUE) */ maxValue : Number.MAX_VALUE,
/** * @cfg {String} minText Error text to display if the minimum value validation fails (defaults to "The minimum value for this field is {minValue}") */ minText : "The minimum value for this field is {0}",
/** * @cfg {String} maxText Error text to display if the maximum value validation fails (defaults to "The maximum value for this field is {maxValue}") */ maxText : "The maximum value for this field is {0}",
/** * @cfg {String} nanText Error text to display if the value is not a valid number. For example, this can happen * if a valid character like '.' or '-' is left in the field with no number (defaults to "{value} is not a valid number") */ nanText : "{0} is not a valid number",
/** * @cfg {String} baseChars The base set of characters to evaluate as valid numbers (defaults to '0123456789'). */ baseChars : "0123456789",
/** * @cfg {Boolean} autoStripChars True to automatically strip not allowed characters from the field. Defaults to false */ autoStripChars: false, // private initEvents : function() { var allowed = this.baseChars + ''; if (this.allowDecimals) { allowed += this.decimalSeparator; } if (this.allowNegative) { allowed += '-'; } allowed = Ext.escapeRe(allowed); this.maskRe = new RegExp('[' + allowed + ']'); if (this.autoStripChars) { this.stripCharsRe = new RegExp('[^' + allowed + ']', 'gi'); } Ext.form.NumberField.superclass.initEvents.call(this); },
/** * Runs all of NumberFields validations and returns an array of any errors. Note that this first * runs TextField's validations, so the returned array is an amalgamation of all field errors. * The additional validations run test that the value is a number, and that it is within the * configured min and max values. * @param {Mixed} value The value to get errors for (defaults to the current field value) * @return {Array} All validation errors for this field */ getErrors: function(value) { var errors = Ext.form.NumberField.superclass.getErrors.apply(this, arguments); value = Ext.isDefined(value) ? value : this.processValue(this.getRawValue()); if (value.length < 1) { // if it's blank and textfield didn't flag it then it's valid return errors; } value = String(value).replace(this.decimalSeparator, "."); if(isNaN(value)){ errors.push(String.format(this.nanText, value)); } var num = this.parseValue(value); if (num < this.minValue) { errors.push(String.format(this.minText, this.minValue)); } if (num > this.maxValue) { errors.push(String.format(this.maxText, this.maxValue)); } return errors; }, getValue : function() { return this.fixPrecision(this.parseValue(Ext.form.NumberField.superclass.getValue.call(this))); }, setValue : function(v) { v = this.fixPrecision(v); v = Ext.isNumber(v) ? v : parseFloat(String(v).replace(this.decimalSeparator, ".")); v = isNaN(v) ? '' : String(v).replace(".", this.decimalSeparator); return Ext.form.NumberField.superclass.setValue.call(this, v); },
/** * Replaces any existing {@link #minValue} with the new value. * @param {Number} value The minimum value */ setMinValue : function(value) { this.minValue = Ext.num(value, Number.NEGATIVE_INFINITY); },
/** * Replaces any existing {@link #maxValue} with the new value. * @param {Number} value The maximum value */ setMaxValue : function(value) { this.maxValue = Ext.num(value, Number.MAX_VALUE); }, // private parseValue : function(value) { value = parseFloat(String(value).replace(this.decimalSeparator, ".")); return isNaN(value) ? '' : value; }, /** * @private * */ fixPrecision : function(value) { var nan = isNaN(value); if (!this.allowDecimals || this.decimalPrecision == -1 || nan || !value) { return nan ? '' : value; } return parseFloat(parseFloat(value).toFixed(this.decimalPrecision)); }, beforeBlur : function() { var v = this.parseValue(this.getRawValue()); if (!Ext.isEmpty(v)) { this.setValue(v); } } }); Ext.reg('numberfield', Ext.form.NumberField);