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/**
* Processes target HTML element and fill with values passed in
* javascript object
*
* @param {element} element to update with values
* @param {obj} Object from which values will be read
*/
function writeToHTML(element, obj){
var el = element.childNodes;
for(var i in el)
{
if(el[i] instanceof HTMLInputElement && el[i].hasAttribute('name')){
if(el[i].type == 'text')
el[i].value = getValue(obj, el[i].name);
}
if(el[i] instanceof HTMLSelectElement && el[i].hasAttribute('name')){
var option = getValue(obj, el[i].name);
var defaultValue = el[i].value;
el[i].value = option;
if ( el[i].value != option){
el[i].focus();
alert(option + " is an invalid value! Setting to default");
el[i].value = defaultValue;
}
}
if(el[i] instanceof HTMLDivElement){
if(el[i].hasAttribute('name'))
{
if(el[i].classList.contains('arr')){
name = el[i].getAttribute('name');
values = getValue(obj, name);
// Sync number of Arr div with name inside element with number of values
syncArr(element, name, values.length);
// Update value inside all divs
var i = 0;
for(var div of element.getElementsByClassName('arr'))
if(div.getAttribute("name") == name)
writeToHTML(div , values[i++]);
} //else-if single div
else
writeToHTML(el[i], getValue(obj, el[i].getAttribute('name')));
}//else-if blank div without attribute name, then simply pass values to next child
else
writeToHTML(el[i], obj);
}
}
}
// Reads value from obj with string 'key1.key2.key3' convention
function getValue(obj, str) {
str = str.replace(/\[(\w+)\]/g, '.$1'); // convert indexes to properties
str = str.replace(/^\./, ''); // strip a leading dot
var a = str.split('.');
for (var i = 0; i < a.length; ++i) {
var key = a[i];
if (key in obj) {
obj = obj[key];
} else {
alert('Invalid PDF file! Key '+key+ ' not Found');
return "";
}
}
return obj;
}
function syncArr(el, name, length){
// count number of arr-div with name present inside el
var count = 0;
var cp = null;
for(var div of el.getElementsByClassName('arr')){
if(div.getAttribute("name") == name){
count++;
cp = div;
}
}
// balance loop
while(count - length){
if((count - length) < 0)
{ // add more div
newdiv = cp.cloneNode(true);
if (!newdiv.lastElementChild.classList.contains('del-button')){
del ='<div class="del-button" onclick="remove(this)"></div>'
newdiv.innerHTML += del;
}
cp.after(newdiv);
count++;
}
else
{ // remove div
for(var div of el.getElementsByClassName('arr'))
if(div.getAttribute("name") == name)
if (div.lastElementChild.classList.contains('del-button')){
div.parentNode.removeChild(div);
count--;
if((count - length)==0)
break;
}
}
}
}
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