// 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;
	
	// 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);
		
		// build the main url, without the variably valued fields
		var url =
			  base_url
			+ "&ZZwebservicemode=block"
			+ "&ZZno_display_attributes=false"
			+ "&ZZBlocation="+target_location
			+ "&ZZchangedblocks_"+target_location+"=new"
			+ "&ZZblockchange_"+target_location+"_new_new=Y"
			+ "&ZZblockchange_"+target_location+"_new_position=0"
			+ "&ZZblockchange_"+target_location+"_new_block_type="+fop_type
			+ "&ZZblockchange_"+target_location+"_new_zname="+fop_zname;
		
		// add a click handler
		$(link).click(function(event) {
			
			// add main value field mappiung
			var open_url = url;
			if (value_destination_field_zname != '') {
				open_url += "&ZZblockchange_"+target_location+"_new_"+value_destination_field_zname+"="+getZymonicField(field_ident).getValueURIEncoded();
			}
			
			// add field maps
			for (var i=0; i<field_maps.length; ++i) {
				open_url +=   "&ZZblockchange_"+target_location+"_new_"
				            + ( field_maps[i].destination_field ? field_maps[i].destination_field : encodeURI(field_maps[i].destination_parameter) )
				            + "="
				            + ( field_maps[i].source_field_ident ? getZymonicField(field_maps[i].source_field_ident).getValueURIEncoded() : encodeURI(field_maps[i].static_value) );
			}
			
			// add the block, encode the url for any special chars in values
			SortableBlock_Add(target_location, open_url);
			
			// stop event for bubbling up
			event.preventDefault();
			return false;
		});
	}
	
	return link;
}