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Thread: Need result to be a specific number of characters

  1. #1
    Join Date
    Sep 2011
    Posts
    13

    Need result to be a specific number of characters

    What I'm looking to do with the following form is when a user inputs a certain length width and depth the output will be set to a certain number of characters. Basically looking to add a zero before an input of a number lower than 10 in two fields (product_number & product_id)

    For example if a user inputs:
    Length: 20.25 Width: 5.625 Depth: 9.125

    the output I would like to have would be:

    product_number: RSC_20.25_05.63_09.13

    product_id: 1203056091

    Right now the output looks like this:

    product_number: RSC_20.25_5.63_9.13

    product_id: 12035691

    The reason for this is so when I sort my products in my shop they will go in the correct numerical order as well as making everything easier to maintain. I only need it to be 2 digits before the decimal point because the max number input will never be over 99...

    Here is the code:

    Code:
    <html>
    <script>
    Number.prototype.eighths= function(prec, ret){
        prec= prec || 8;
        while(prec%4)++prec;
        var i= Math.floor(this),
        s= i? i +'-':'',
        num= this-i, div= 1/prec, mod= prec/4,
        mag= Math.pow(10, Math.log(prec*2)/Math.log(2)),
        f1= Math.round(mag*(num/div))/mag,
        f= Math.round(f1);
        if(f1-f> div/4) f= Math.ceil(f1);
        if(f== 0) return i;
        if(f== prec) return i+1;
        if(ret=== 1) return s+f+'/'+prec;
        if(f*2== prec) return s+'1/2';
        while(mod>= 2){
            if(f%mod=== 0) return s+ f/mod+'/'+prec/mod;
            mod/= 2;
        }
        return s+f+'/'+prec;
    }
    function calculate(){
    	var F=document.frmRSC,
    
    	l= Number(F.txtlength.value);
    	w= Number(F.txtwidth.value);
    	d= Number(F.txtdepth.value);
    	
    	Q = Number(F.txtqty.value)				/* Quantity */	
    
    	Lrounded = (Math.ceil(l/.125)/8)
    	Wrounded = (Math.ceil(w/.125)/8)
    	Drounded = (Math.ceil(d/.125)/8)
    
    	F.product_number.value= 'RSC_'+Lrounded.toFixed(2)+'_'+Wrounded.toFixed(2)+'_'+Drounded.toFixed(2);
    
    	F.product_id.value= '1' + (Lrounded.toFixed(1)*10) + '' + Wrounded.toFixed(1)*10 + '' + Drounded.toFixed(1)*10
    
    }
    </script>
    <form name= "frmRSC">
    <table width="100%" border="1"><td>
    
    <div class="ccms_form_element cfdiv_text" id="txtlength_container_div"><label for="txtlength">txtlength</label><input 
    
    id="txtlength" maxlength="150" size="30" class=" validate['required','number']" title="" label_over="0" hide_label="0" type="text" 
    
    value="" name="txtlength" />
    <div class="clear"></div><div id="error-message-txtlength"></div></div>
    
    <div class="ccms_form_element cfdiv_text"
    
    id="txtwidth_container_div"><label for="txtwidth">txtwidth</label><input id="txtwidth" maxlength="150" size="30" class=" 
    
    validate['required','number']" title="" label_over="0" hide_label="0" type="text" value="" name="txtwidth" />
    <div class="clear"></div><div id="error-message-txtwidth"></div></div>
    
    <div class="ccms_form_element cfdiv_text" 
    
    id="txtdepth_container_div"><label for="txtdepth">txtdepth</label><input id="txtdepth" maxlength="150" size="30" class=" 
    
    validate['required','number']" title="" label_over="0" hide_label="0" type="text" value="" name="txtdepth" />
    <div class="clear"></div><div id="error-message-txtdepth"></div></div>
    </td></table>
    
    <table width="100%" border="1"><td>
    
    <p>product_number <input type= "text" name= product_number size= 25 value= ""></p> 
    <br><br>
    
    <input type= "hidden" name= category_id size= 25 value= "">
    
    <p>product_id <input type= "text" name= product_id size= 25 value= ""></p>
    <br><br>
    
    <input type= "hidden" name= product_full_image size= 25 value= "">
    
    Quantity: <INPUT TYPE = "Text" NAME = txtqty SIZE = 5 value ="">
    <br><br> 
    
    <p><input type= "button" name= "b1" value= "Convert" onClick= "calculate()"></p>
    
    </td>
    </table>
    </form>
    thanks,
    Matt

  2. #2
    Join Date
    Dec 2005
    Location
    TX
    Posts
    7,942

    Lightbulb

    Just added a padLeft function...
    Code:
    <html>
    <script type="text/javascript">
    Number.prototype.eighths= function(prec, ret){
        prec= prec || 8;
        while(prec%4)++prec;
        var i= Math.floor(this),
        s= i? i +'-':'',
        num= this-i, div= 1/prec, mod= prec/4,
        mag= Math.pow(10, Math.log(prec*2)/Math.log(2)),
        f1= Math.round(mag*(num/div))/mag,
        f= Math.round(f1);
        if(f1-f> div/4) f= Math.ceil(f1);
        if(f== 0) return i;
        if(f== prec) return i+1;
        if(ret=== 1) return s+f+'/'+prec;
        if(f*2== prec) return s+'1/2';
        while(mod>= 2){
            if(f%mod=== 0) return s+ f/mod+'/'+prec/mod;
            mod/= 2;
        }
        return s+f+'/'+prec;
    }
    function padLeft(str, width) {
      while (str.length < width) { str = "0" + str; }
      return str;
    }
    function calculate(){
      var F=document.frmRSC,
    
      l= Number(F.txtlength.value);
      w= Number(F.txtwidth.value);
      d= Number(F.txtdepth.value);
    	
      Q = Number(F.txtqty.value)				/* Quantity */	
    
      Lrounded = (Math.ceil(l/.125)/8).toFixed(2);
      Wrounded = (Math.ceil(w/.125)/8).toFixed(2);
      Drounded = (Math.ceil(d/.125)/8).toFixed(2)
    
      F.product_number.value = 'RSC_'+padLeft(Lrounded,5)
                             + '_'+padLeft(Wrounded,5)+ '_'+padLeft(Drounded,5);
    
      F.product_id.value = '1' + (Lrounded.toFixed(1)*10) 
                         + '' + Wrounded.toFixed(1)*10 + '' + Drounded.toFixed(1)*10
    
    }
    </script>
    </head>
    <body>
    <form name= "frmRSC">
    <table width="100%" border="1">
    <td>
    
    <div class="ccms_form_element cfdiv_text" id="txtlength_container_div">
     <label for="txtlength">txtlength</label>
     <input id="txtlength" maxlength="150" size="30" class=" validate['required','number']"
      title="" label_over="0" hide_label="0" type="text" value="" name="txtlength" />
     <div class="clear"></div>
     <div id="error-message-txtlength"></div>
    </div>
    
    <div class="ccms_form_element cfdiv_text" id="txtwidth_container_div">
     <label for="txtwidth">txtwidth</label>
     <input id="txtwidth" maxlength="150" size="30"
      class=" validate['required','number']" title="" label_over="0"
      hide_label="0" type="text" value="" name="txtwidth" />
     <div class="clear"></div>
     <div id="error-message-txtwidth"></div>
    </div>
    
    <div class="ccms_form_element cfdiv_text" id="txtdepth_container_div">
     <label for="txtdepth">txtdepth</label>
     <input id="txtdepth" maxlength="150" size="30"
     class=" validate['required','number']" title="" label_over="0"
     hide_label="0" type="text" value="" name="txtdepth" />
     <div class="clear"></div>
     <div id="error-message-txtdepth"></div>
    </div>
    </td>
    </table>
    
    <table width="100%" border="1">
    <td>
    <p>product_number <input type= "text" name= product_number size= 25 value= ""></p> 
    <br><br>
    
    <input type= "hidden" name= category_id size= 25 value= "">
    <p>product_id <input type= "text" name= product_id size= 25 value= ""></p>
    <br><br>
    <input type= "hidden" name= product_full_image size= 25 value= "">
    Quantity: <INPUT TYPE = "Text" NAME = txtqty SIZE = 5 value ="">
    <br><br> 
    <p><input type= "button" name= "b1" value= "Convert" onClick= "calculate()"></p>
    </td>
    </table>
    </form>
    </body>
    </html>

  3. #3
    Join Date
    Sep 2011
    Posts
    13
    Thanks again JMRKER! Not the first time you've helped me solve an issue

  4. #4
    Join Date
    Dec 2005
    Location
    TX
    Posts
    7,942
    You're most welcome.
    Happy to help.
    Good Luck!

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