Toast notifications for ED

Adding support for toast notifications for use in Core and user plugins.

ui/media/css/main.css

@@ -1302,3 +1302,54 @@ body.wait-pause {
 .displayNone {
     display:none !important;
 }
+
+/* TOAST NOTIFICATIONS */
+.toast-notification {
+    position: fixed;
+    bottom: 10px;
+    right: -300px;
+    width: 300px;
+    background-color: #333;
+    color: #fff;
+    padding: 10px 20px;
+    border-radius: 5px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
+    z-index: 9999;
+    animation: slideInRight 0.5s ease forwards;
+    transition: bottom 0.5s ease; // Add a transition to smoothly reposition the toasts
+}
+
+.toast-notification-error {
+    color: red;
+}
+
+@keyframes slideInRight {
+    from {
+        right: -300px;
+    }
+    to {
+        right: 10px;
+    }
+}
+
+.toast-notification.hide {
+    animation: slideOutRight 0.5s ease forwards;
+}
+
+@keyframes slideOutRight {
+    from {
+        right: 10px;
+    }
+    to {
+        right: -300px;
+    }
+}
+
+@keyframes slideDown {
+    from {
+        bottom: 10px;
+    }
+    to {
+        bottom: 0;
+    }
+}

ui/media/js/utils.js

@@ -840,3 +840,60 @@ function createTab(request) {
         }
     })
 }
+
+/* TOAST NOTIFICATIONS */
+function showToast(message, duration = 5000, error = false) {
+    const toast = document.createElement("div");
+    toast.classList.add("toast-notification");
+    if (error === true) {
+        toast.classList.add("toast-notification-error");
+    }
+    toast.innerHTML = message;
+    document.body.appendChild(toast);
+
+    // Set the position of the toast on the screen
+    const toastCount = document.querySelectorAll(".toast-notification").length;
+    const toastHeight = toast.offsetHeight;
+    const previousToastsHeight = Array.from(document.querySelectorAll(".toast-notification"))
+        .slice(0, -1) // exclude current toast
+        .reduce((totalHeight, toast) => totalHeight + toast.offsetHeight + 10, 0); // add 10 pixels for spacing
+    toast.style.bottom = `${10 + previousToastsHeight}px`;
+    toast.style.right = "10px";
+
+    // Delay the removal of the toast until animation has completed
+    const removeToast = () => {
+        toast.classList.add("hide");
+        const removeTimeoutId = setTimeout(() => {
+            toast.remove();
+            // Adjust the position of remaining toasts
+            const remainingToasts = document.querySelectorAll(".toast-notification");
+            const removedToastBottom = toast.getBoundingClientRect().bottom;
+        
+            remainingToasts.forEach((toast) => {
+                if (toast.getBoundingClientRect().bottom < removedToastBottom) {
+                    toast.classList.add("slide-down");
+                }
+            });
+        
+            // Wait for the slide-down animation to complete
+            setTimeout(() => {
+                // Remove the slide-down class after the animation has completed
+                const slidingToasts = document.querySelectorAll(".slide-down");
+                slidingToasts.forEach((toast) => {
+                    toast.classList.remove("slide-down");
+                });
+        
+                // Adjust the position of remaining toasts again, in case there are multiple toasts being removed at once
+                const remainingToastsDown = document.querySelectorAll(".toast-notification");
+                let heightSoFar = 0;
+                remainingToastsDown.forEach((toast) => {
+                    toast.style.bottom = `${10 + heightSoFar}px`;
+                    heightSoFar += toast.offsetHeight + 10; // add 10 pixels for spacing
+                });
+            }, 0); // The duration of the slide-down animation (in milliseconds)
+        }, 500);
+    };
+
+    // Remove the toast after specified duration
+    setTimeout(removeToast, duration);
+}