nextcloud/apps/files/js/keyboardshortcuts.js

// your file
var Files = Files || {};

function removeA(arr) {
    var what, a = arguments, L = a.length, ax;
    while (L > 1 && arr.length) {
        what = a[--L];
        while ((ax = arr.indexOf(what)) !== -1) {
            arr.splice(ax, 1);
        }
    }
    return arr;
}

Files.bindKeyboardShortcuts = function (document, $) {
	var keys = [];
	var keyCodes = {
		shift: 16,
		n: 78,
		r: 82,
		cmdFirefox: 224,
		cmdOpera: 17,
		leftCmdWebKit: 91,
		rightCmdWebKit: 93,
		ctrl: 16,
		esc: 27,
		downArrow: 40,
		upArrow: 38,
		enter: 13,
		backspace: 8,
		delete: 46
	};

	$(document).keydown(function(event){//check for modifier keys
		var preventDefault = false;
		if($.inArray(event.keyCode, keys) === -1)
			keys.push(event.keyCode);
		console.log(event.keyCode);
		
		if($.inArray(keyCodes.n, keys) !== -1 && ($.inArray(keyCodes.cmdFirefox, keys) !== -1 || $.inArray(keyCodes.cmdOpera, keys) !== -1 || $.inArray(keyCodes.leftCmdWebKit, keys) !== -1 || $.inArray(keyCodes.rightCmdWebKit, keys) !== -1 || $.inArray(keyCodes.ctrl, keys) !== -1)){
			preventDefault = true;
		}
		if($.inArray(keyCodes.backspace, keys) !== -1 && !$("#new").hasClass("active")) {
			$("#fileList tr").each(function(index){
				if($(this).hasClass("mouseOver")){
					preventDefault = true;
				}
			});
		}
		if(!$("#new").hasClass("active") && $.inArray(keyCodes.r, keys) !== -1 && ($.inArray(keyCodes.cmdFirefox, keys) !== -1 || $.inArray(keyCodes.cmdOpera, keys) !== -1 || $.inArray(keyCodes.leftCmdWebKit, keys) !== -1 || $.inArray(keyCodes.rightCmdWebKit, keys) !== -1 || $.inArray(keyCodes.ctrl, keys) !== -1) && $.inArray(keyCodes.shift, keys) !== -1){
			$("#fileList tr").each(function(index){
				if($(this).hasClass("mouseOver")){
			        preventDefault = true;
		        }
			});
		}
		if(preventDefault){
			event.preventDefault(); //Prevent web browser from responding
			event.stopPropagation();
			return false;
		}
	});
	
	$(document).keyup(function(event){
       // do your event.keyCode checks in here
		
		console.log(JSON.stringify(keys));
		
		if($.inArray(keyCodes.n, keys) !== -1 && ($.inArray(keyCodes.cmdFirefox, keys) !== -1 || $.inArray(keyCodes.cmdOpera, keys) !== -1 || $.inArray(keyCodes.leftCmdWebKit, keys) !== -1 || $.inArray(keyCodes.rightCmdWebKit, keys) !== -1 || $.inArray(keyCodes.ctrl, keys) !== -1)){
			if($.inArray(keyCodes.shift, keys) !== -1){ //16=shift, New File
				$("#new").addClass("active");
				$(".popup.popupTop").toggle(true);
				$('#new li[data-type="file"]').trigger('click');
				console.log("new file");
				removeA(keys, keyCodes.n);
			}
			else{ //New Folder
				$("#new").addClass("active");
				$(".popup.popupTop").toggle(true);
				$('#new li[data-type="folder"]').trigger('click');
				console.log("new folder");
				removeA(keys, keyCodes.n);
			}
		}
		
		else if($("#new").hasClass("active") && $.inArray(keyCodes.esc, keys) !== -1){
			$("#controls").trigger('click');
			console.log("close");
		}
		
		else if($.inArray(keyCodes.downArrow, keys) !== -1){
			var select = -1;
			$("#fileList tr").each(function(index){
				if($(this).hasClass("mouseOver")){
			        select = index+1;
			        $(this).removeClass("mouseOver");
		        }
			});
			
			if(select === -1){
				$("#fileList tr:first").addClass("mouseOver");
			}
			else{
				$("#fileList tr").each(function(index){
					if(index === select){
						$(this).addClass("mouseOver");
					}
				});
			}
		}
		
		else if($.inArray(keyCodes.upArrow, keys) !== -1){
			var select = -1;
			$("#fileList tr").each(function(index){
				if($(this).hasClass("mouseOver")){
			        select = index-1;
			        $(this).removeClass("mouseOver");
		        }
			});
			
			if(select === -1){
				$("#fileList tr:last").addClass("mouseOver");
			}
			else{
				$("#fileList tr").each(function(index){
					if(index === select){
						$(this).addClass("mouseOver");
					}
				});
			}
		}
		
		else if(!$("#new").hasClass("active") && $.inArray(keyCodes.enter, keys) !== -1){
			$("#fileList tr").each(function(index){
				if($(this).hasClass("mouseOver")){
			        $(this).removeClass("mouseOver");
			        $(this).find("span.nametext").trigger('click');
		        }
			});
		}
		
		else if(!$("#new").hasClass("active") && ($.inArray(keyCodes.backspace, keys) !== -1 || $.inArray(keyCodes.delete, keys) !== -1)) {
			$("#fileList tr").each(function(index){
				if($(this).hasClass("mouseOver")){
			        $(this).removeClass("mouseOver");
			        $(this).find("a.action.delete").trigger('click');
		        }
			});
		}
		else if(!$("#new").hasClass("active") && $.inArray(keyCodes.r, keys) !== -1 && ($.inArray(keyCodes.cmdFirefox, keys) !== -1 || $.inArray(keyCodes.cmdOpera, keys) !== -1 || $.inArray(keyCodes.leftCmdWebKit, keys) !== -1 || $.inArray(keyCodes.rightCmdWebKit, keys) !== -1 || $.inArray(keyCodes.ctrl, keys) !== -1) && $.inArray(keyCodes.shift, keys) !== -1){
			$("#fileList tr").each(function(index){
				if($(this).hasClass("mouseOver")){
					$(this).removeClass("mouseOver");
			        $(this).find("a[data-action='Rename']").trigger('click');
		        }
			});
		}
		
		removeA(keys, event.keyCode);
	});
};