stringvalidator.lzx

<!--
********************************************************
* [[validators/stringvalidator]]
* 2005/12/21 ver.2.0.0
* 2005/12/06 ver.1.0.1 add trim attribute [togawa manabu]
*
* 2005/11/06 ver.1.0.
* togawa manabu
* web:http://laszlo.jp
* mail:webmaster@laszlo.jp 
********************************************************
-->
<!---
      @topic Incubator
      @subtopic Validators
  -->
<library>
    <include href="basevalidator.lzx"/>
    
    <class name="stringvalidator" extends="basevalidator">
        <attribute name="maxLength" type="number" value="255"/>
        <attribute name="minLength" type="number" value="0"/>
        <attribute name="trim" type="boolean" value="false"/>
        
        <attribute name="minErrorstring" type="string" value="this string is shorter than the minimum allowed length."/>
        <attribute name="maxErrorstring" type="string" value="this string is longer than the maximum allowed length."/>
        
        <method name="doValidation" args="val">
            

            var valtext = getValueText(val);

            var textlength = valtext.length;

            if(this.required && textlength < 1){
                this.setErrorstring(this.requiredErrorstring);
                return false;
            }
            
            if(valtext != ""){
                if(textlength < minLength){
                    this.setErrorstring(this.minErrorstring);
                    return false;
                }
                if(maxLength < textlength){
                    this.setErrorstring(this.maxErrorstring);
                    return false;
                }
            }
        
                        
            this.setErrorstring("");
            return true;
            
        </method>
    </class>
</library>
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* Copyright 2006-2007 Laszlo Systems, Inc. All Rights Reserved.               *
* Use is subject to license terms.                                            *
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<!-- @LZX_VERSION@                                                         -->