// OpenFOP conditional format
function cond_format_open_fop(checks, validOnly, zname, field_ident, display_name, fop_type, fop_zname, value_destination_field_zname, field_maps, target_location) {
	// get the link
	var link = cond_format_open_fop_link(zname, field_ident, display_name, fop_type, fop_zname, value_destination_field_zname, field_maps, target_location);
	
	// if checks fail, then hide the link
	var checks_result = validation_checks(checks, validOnly);
	if (checks_result.pass)
	{
		$(link).show();
	}
	else
	{
		$(link).hide();
	}
	
	return 'OK';
}

// build open fop link
function cond_format_open_fop_link(zname, field_ident, display_name, fop_type, fop_zname, value_destination_field_zname, field_maps, target_location) {
	var link_id = field_ident+zname;
	
	// lookup target location if not set
	if (!target_location || target_location == "") {
		var parent_location = $("#"+field_ident+"_div").parents('ul.block');
		if (parent_location.length) {
			var ident = parent_location.first().attr('id');
			if (ident) {
				target_location = ident.replace('SLocation_', '');
			}
		}
	}
	if (!target_location || target_location == "") {
		Zymonic.log("Cannot find target location");
	}
	
	// create a link if not present
	var link = $("#"+link_id).get(0);
	if (!link)
	{
		link = document.createElement("a");
		link.id = link_id;
		link.href = "#";
		link.innerHTML = display_name;
		link.className = "OpenFOPLink";
		$("#"+field_ident+"_div").append(link);
		
		// add a click handler
		Zymonic.Utils.attach_event($(link), "click", link_id, function(event) {
			
			var extras = {};
			
			// add main value field mappiung
			if (value_destination_field_zname != '') {
				Zymonic.addOpenBlockParam(extras, target_location, value_destination_field_zname, getZymonicField(field_ident).getValue());
			}
			
			// add field maps
			for (var i=0; i<field_maps.length; ++i) {
				Zymonic.addOpenBlockParam(extras, 
						                  target_location, 
						                  ( field_maps[i].destination_field ? field_maps[i].destination_field : field_maps[i].destination_parameter ),
						                  ( field_maps[i].source_field_ident ? getZymonicField(field_maps[i].source_field_ident).getValue() : field_maps[i].static_value ) );
			}
			
			Zymonic.openBlock(fop_zname, 0, fop_type, target_location, extras);
			
			// stop event for bubbling up
			event.preventDefault();
			return false;
		});
	}
	
	return link;
}