Added new prop zIndex and method zIndex() to the window component, issue #1995

Author: olton

CHANGELOG.md

@@ -3,4 +3,6 @@
 + [x] Fixed method `val()` in the select component for multiple select.
 + [x] Fixed the movement of the hour hand in the analog clock (thanks to CmPi).
 + [x] Added background patterns
-+ [x] Added new gradients gradient-cosmic-aurora, gradient-midnight-mist
++ [x] Added new gradients gradient-cosmic-aurora, gradient-midnight-mist
++ [x] Added new icons
++ [x] Added new prop `zIndex` and method `zIndex()` to the `window` component

source/components/window/window.js

@@ -47,6 +47,8 @@
         maxWidth: 0,
         maxHeight: 0,
 
+        zIndex: null,
+
         onDragStart: Metro.noop,
         onDragStop: Metro.noop,
         onDragMove: Metro.noop,
@@ -257,6 +259,10 @@
 
             win = $("<div>").addClass("window");
 
+            if (o.zIndex !== null) {
+                win.css("z-index", o.zIndex);
+            }
+
             if (o.modal === true) {
                 win.addClass("modal");
             }
@@ -712,6 +718,16 @@
             return this;
         },
 
+        zIndex: function (v) {
+            if (Metro.utils.isNull(v) === false) {
+                this.win.css({
+                    zIndex: +v,
+                });
+            }
+
+            return this.win.style("zIndex");
+        },
+
         changeAttribute: function (attr, value) {
             const changePos = function (a, v) {
                 const win = this.win;