// ===========================================================================================
// Component: Form Tools 
// Module: Automatic Population
// ===========================================================================================

// Register the Form Tools - Automatic Population namspace
registerNamespace("ft.ap");

// Define the PopulationJob object

//-------------------------------------------
// Constructor
//-------------------------------------------

ft.ap.PopulationJob = function(formInfo, populateEmpty)
{
	this.formInfo = formInfo;
	this.populateEmpty = populateEmpty;
}
	
//-------------------------------------------
// Public Methods
//-------------------------------------------
	
// Populates the form
ft.ap.PopulationJob.prototype.run = function()
{
	var self = this;
	
	// Find the form element
	var form = document.forms[self.formInfo.name];
	if (!form)
	{
		// Can't find form, so exit
		return;
	}

	// Populate each field
	for(i in self.formInfo.fields)
	{
		var fieldInfo = self.formInfo.fields[i];

		// If the field has no value
		if (!fieldInfo.value)
		{
			// If we should populate empty values
			if (self.populateEmpty)
			{
				// Set the value to the empty string
				fieldInfo.value = "";
			}
			else
			{
				// If the field has a default value
				if (fieldInfo.defaultvalue)
				{
					fieldInfo.value = fieldInfo.defaultvalue;
				}
				else
				{
					// Skip this field
					continue;
				}
			}
		}

		// Unescape the field's value
		if (fieldInfo.value.constructor == String)
		{
			fieldInfo.value = fieldInfo.value.replace(/\+/g, " ");
			fieldInfo.value = unescape(fieldInfo.value);
		}
		else if (fieldInfo.value.constructor == Array)
		{
			for (var i=0; i<fieldInfo.value.length; i++)
			{
				fieldInfo.value[i] = unescape(fieldInfo.value[i].replace(/\+/g, " "));
			}
		}


		// Put the value into an array if it is not one already
		if (!fieldInfo.value.constructor == Array)
		{
			fieldInfo.value = new Array(fieldInfo.value);
		}

		// Populate the field
		$(form).find(":input[@name='" + fieldInfo.name + "']").fieldArray(fieldInfo.value);
	}
}