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File: exprForm/formValidated.js

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File: exprForm/formValidated.js
Role: Auxiliary data
Content type: text/plain
Description: js script library
Class: metaForm
Generate and validate forms from XML definitions
Author: By
Last change: trace feature had to be commented
Date: 19 years ago
Size: 1,792 bytes
 

Contents

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//<!-- ###### EDIT THIS javascript TO CUSTOMISE THE FORM --> /* set_file chk validate setDispFld doExecute */ function set_file(form,src,target){ form.elements[target].value = form.elements[src].value; } //set_file function chk(obj){ var opt_node; if (obj.nodeName.toLowerCase() == 'select'){ opt_node = obj.name+'_opt'; obj.form.elements[opt_node].value = obj.options[obj.selectedIndex].text; } else { opt_node = obj.parentNode.name+'_opt'; obj.form.elements[opt_node].value = obj.text; } } //chk function validate() { return true; } //validate function setDispFld(form,fld,val){ sel = form.elements[fld]; sel.value = val; psel = sel.parentNode; // as a default, formDef.xsl create a div section: div1 = psel.getElementsByTagName("div")[0]; if (div1 != undefined) psel.removeChild(div1); // create a span section div2 = psel.getElementsByTagName("span")[0]; if (div2 != undefined) psel.removeChild(div2); div2 = document.createElement("span"); div2.innerHTML = val; psel.appendChild(div2); return div2; } //setDispFld function doExecute(form,v1,v2,op,disp_fld) { var res; var var1 = Number(form.elements[v1].value); // variable 1 value var var2 = Number(form.elements[v2].value); // variable 2 value var vop = form.elements[op+'_opt'].value; // selected operation //alert('doExecute: '+v1+'--'+var1+'--'+v2+'--'+var2+'--'+vop); switch(vop){ case '+': res = var1+var2; break; case '-': res = var1-var2; break; case '*': res = var1*var2; break; case '/': res = var1/var2; break; default: res = 0; } // create a display field near disp_fld //alert('doExecute: '+res+'--'+disp_fld); setDispFld(form,disp_fld,res); } //doExecute