60 lines
1.5 KiB
JavaScript
60 lines
1.5 KiB
JavaScript
NumericField = Class.create();
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NumericField.applyTo('input.numeric');
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NumericField.prototype = {
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initialize: function() {
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this.oldValue = this.value;
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},
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setRange: function( minValue, maxValue ) {
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this.minValue = minValue;
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this.maxValue = maxValue;
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},
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onkeyup: function() {
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var testValue = this.value;
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if( testValue == this.oldValue )
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return;
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var length = this.maxLength;
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this.value = '';
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var testedOk = true;
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var regex = new RegExp( '^\\d{0,' + length + '}$' );
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// check that the value is numeric
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if( !testValue.match( regex ) )
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testedOk = false;
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if( testedOk && testValue.length > 0 ) {
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// check that the number is not outside the range
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if( testedOk && typeof this.minValue != 'undefined' && parseInt(testValue) < this.minValue )
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testedOk = false;
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if( testedOk && typeof this.maxValue != 'undefined' && parseInt(testValue) > this.maxValue )
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testedOk = false;
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// use any external tests
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if( testedOk && typeof this.externalValidate != 'undefined' && !this.externalValidate( testValue ) )
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testedOk = false;
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}
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if( testedOk ) {
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this.oldValue = this.value = testValue;
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// DEBUG This produces weird javascript-errors, and is not very useable at all
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// DONT MERGE
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/*
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if( this.value.length == this.maxLength && this.nextField )
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this.nextField.focus();
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*/
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if( this.callOnValidate )
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this.callOnValidate();
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} else
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this.value = this.oldValue;
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}
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} |