confirmation behaviour configuration

README.md

@@ -128,6 +128,8 @@ The config object may contain following options (default values are specified be
     confirmDeleting: true,
     deleteConfirm: "Are you sure?",
 
+    confirmationPopupProvider: null,
+
     pagerContainer: null,
     pageIndex: 1,
     pageSize: 20,
@@ -341,6 +343,28 @@ A boolean value specifying whether to ask user to confirm item deletion.
 A string or a function returning string specifying delete confirmation message to be displayed to the user.
 A function has the signature `function(item)` and accepts item to be deleted.
 
+### confirmationPopupProvider (default `null`)
+A function handling confirmation request. Accepts two arguments: message and action callback.
+Example:
+
+```javascript
+
+$("#grid").jsGrid({
+    ...
+
+    confirmationPopupProvider: function (message, callback) {
+        if (window.confirm(message)) {
+            if (window.confirm('Are you really sure?')) {
+                callback();
+            }
+        }
+    },
+
+    ...
+});
+
+```
+
 ### pagerContainer (default `null`)
 A jQueryElement or DomNode to specify where to render a pager. Used for external pager rendering. When it is equal to `null`, the pager is rendered at the bottom of the grid.
 

src/jsgrid.core.js

@@ -90,6 +90,8 @@
         confirmDeleting: true,
         deleteConfirm: "Are you sure?",
 
+        confirmationPopupProvider: null,
+
         selecting: true,
         selectedRowClass: "jsgrid-selected-row",
         oddRowClass: "jsgrid-row",
@@ -1314,8 +1316,22 @@
             if(!$row.length)
                 return;
 
-            if(this.confirmDeleting && !window.confirm(getOrApply(this.deleteConfirm, this, $row.data(JSGRID_ROW_DATA_KEY))))
-                return;
+            if (this.confirmDeleting) {
+                var message = getOrApply(this.deleteConfirm, this, $row.data(JSGRID_ROW_DATA_KEY));
+                var self = this;
+
+                if (this.confirmationPopupProvider) {
+                    this.confirmationPopupProvider(message, function () {
+                        self._deleteRow($row);
+                    });
+
+                    return;
+                } else {
+                    if (!window.confirm(message)) {
+                        return;
+                    }
+                }
+            }
 
             return this._deleteRow($row);
         },