How to show/hide the custom button in a detail when detail record is selected

Hi Andrew,

Please use the following approach:

methods: {
				addToolsButtonMenuItems: function(toolsButtonMenu) {
					this.callParent(arguments);
					toolsButtonMenu.addItem(this.getButtonMenuSeparator());
					toolsButtonMenu.addItem(this.getButtonMenuItem({
						Caption: {"bindTo": "Resources.Strings.CustomButton"},
						Click: {"bindTo": "onButonClick"},
						Visible: {"bindTo": "getCustomButtonVisible"},
					}));
				},
				getCustomButtonVisible: function() {
					return this.isSingleSelected();
				},
				onButonClick: function() {
					console.log("Clicked!");
				}
			},

there is no IsSelectRecord base attribute that will make the button visible or invisible, thus there are basic methods to make "Edit" or "Copy" buttons enabled\disabled so I've used the logic behind them as an example to make the custom button visible.

Oleg Drobina,

Thank you for your guid!. It works for a single detail record selected, like the behavior of "Edit" or "Copy".

What I want is the like the behavior of "Delete", and I found the solution in the academy.

In summary, I just adjusted the code below to approach the behavior like "Delete" action.

getCustomButtonVisible: function() {

    var selectedRows = this.get("SelectedRows");

    return selectedRows ? (selectedRows.length > 0) : false;

},

Thank you!