///////////////////////////////////////////////////////////////////////////////
// confirm before opening multiple selected files
///////////////////////////////////////////////////////////////////////////////
function OnInit(initData) {
	initData.name = "Event.DClick: ConfirmMultiOpen";
	initData.desc = "Ask before opening multiple select files.";
	initData.copyright = "by jsys in 2014";
	initData.version = "0.1";
	initData.default_enable = true;
	initData.Config["Threshold"] = 20; //default
}
//////////////////////////////////////////////////////////////////////////////
var PROCEED=false;
var CANCEL=true;
//////////////////////////////////////////////////////////////////////////////
// called when a file or folder is double-clicked
function OnDoubleClick(data) {
	 // version above 11.5.6 beta
	if (data.cont != undefined){
		data.cont = false;
		var selFilesCount = data.Tab.selstats.selfiles;
		return ConfirmMultiOpen(data, selFilesCount);
	}
	//version below 11.5.7 beta
	return HandleDoubleClick_legacy(data);
}
//////////////////////////////////////////////////////////////////////////////
// legacy version of HandleDoubleClick()
function HandleDoubleClick_legacy(data) {
	var selFilesCount = data.Tab.selstats.selfiles;

	// prevent "subscript out of range" log spamming
	if (selFilesCount==0)
		return false;

	//confirm first affected item only
	if (data.item.realpath+""==data.Tab.selected_files(0).realpath+"")
		Script.vars.Set("result", ConfirmMultiOpen(data, selFilesCount));

	return Script.vars.Get("result");
}
//////////////////////////////////////////////////////////////////////////////
function ConfirmMultiOpen(data, selFilesCount) {
	dlg = data.tab.Dlg;
	dlg.title =  "Opening Multiple Files";
	dlg.message = "You did select "+selFilesCount+" files, continue opening?";
	dlg.buttons = "Ok|Cancel";
	dlg.icon = "warn"
	if (selFilesCount<Script.Config["threshold"] || dlg.Show())
		return PROCEED;
	return CANCEL;
}