208 lines
8.2 KiB
HTML
208 lines
8.2 KiB
HTML
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<title>The source code</title>
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<pre class="prettyprint lang-js"><span id='Ext-form-NumberField-method-constructor'><span id='Ext-form-NumberField'>/**
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</span></span> * @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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<span id='Ext-form-NumberField-cfg-stripCharsRe'> /**
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</span> * @cfg {RegExp} stripCharsRe @hide
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*/
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<span id='Ext-form-NumberField-cfg-maskRe'> /**
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</span> * @cfg {RegExp} maskRe @hide
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*/
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<span id='Ext-form-NumberField-cfg-fieldClass'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-allowDecimals'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-decimalSeparator'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-decimalPrecision'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-allowNegative'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-minValue'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-maxValue'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-minText'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-maxText'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-nanText'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-baseChars'> /**
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</span> * @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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<span id='Ext-form-NumberField-cfg-autoStripChars'> /**
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</span> * @cfg {Boolean} autoStripChars True to automatically strip not allowed characters from the field. Defaults to <tt>false</tt>
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*/
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autoStripChars: false,
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<span id='Ext-form-NumberField-method-initEvents'> // private
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</span> 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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allowed = Ext.escapeRe(allowed);
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this.maskRe = new RegExp('[' + allowed + ']');
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if (this.autoStripChars) {
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this.stripCharsRe = new RegExp('[^' + allowed + ']', 'gi');
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}
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Ext.form.NumberField.superclass.initEvents.call(this);
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},
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<span id='Ext-form-NumberField-method-getErrors'> /**
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</span> * Runs all of NumberFields validations and returns an array of any errors. Note that this first
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* runs TextField's validations, so the returned array is an amalgamation of all field errors.
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* The additional validations run test that the value is a number, and that it is within the
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* configured min and max values.
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* @param {Mixed} value The value to get errors for (defaults to the current field value)
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* @return {Array} All validation errors for this field
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*/
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getErrors: function(value) {
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var errors = Ext.form.NumberField.superclass.getErrors.apply(this, arguments);
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value = Ext.isDefined(value) ? value : this.processValue(this.getRawValue());
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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 errors;
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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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errors.push(String.format(this.nanText, value));
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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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errors.push(String.format(this.minText, this.minValue));
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}
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if (num > this.maxValue) {
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errors.push(String.format(this.maxText, this.maxValue));
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}
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return errors;
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},
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<span id='Ext-form-NumberField-method-getValue'> getValue : function() {
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</span> return this.fixPrecision(this.parseValue(Ext.form.NumberField.superclass.getValue.call(this)));
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},
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<span id='Ext-form-NumberField-method-setValue'> setValue : function(v) {
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</span> v = Ext.isNumber(v) ? v : parseFloat(String(v).replace(this.decimalSeparator, "."));
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v = this.fixPrecision(v);
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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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<span id='Ext-form-NumberField-method-setMinValue'> /**
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</span> * 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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<span id='Ext-form-NumberField-method-setMaxValue'> /**
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</span> * 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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<span id='Ext-form-NumberField-method-parseValue'> // private
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</span> 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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<span id='Ext-form-NumberField-method-fixPrecision'> /**
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</span> * @private
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*
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*/
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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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<span id='Ext-form-NumberField-method-beforeBlur'> beforeBlur : function() {
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</span> var v = this.parseValue(this.getRawValue());
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if (!Ext.isEmpty(v)) {
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this.setValue(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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</pre>
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</body>
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</html>
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