feat(reorder-group): if else timeout

core/src/components.d.ts

@@ -2407,6 +2407,7 @@ export namespace Components {
     interface IonReorder {
     }
     interface IonReorderGroup {
+        "activate": 'tap' | 'press';
         /**
           * Completes the reorder operation. Must be called by the `ionItemReorder` event.  If a list of items is passed, the list will be reordered and returned in the proper order.  If no parameters are passed or if `true` is passed in, the reorder will complete and the item will remain in the position it was dragged to. If `false` is passed, the reorder will complete and the item will bounce back to its original position.
           * @param listOrReorder A list of items to be sorted and returned in the new order or a boolean of whether or not the reorder should reposition the item.
@@ -7104,6 +7105,7 @@ declare namespace LocalJSX {
     interface IonReorder {
     }
     interface IonReorderGroup {
+        "activate"?: 'tap' | 'press';
         /**
           * If `true`, the reorder will be hidden.
          */

core/src/components/reorder-group/reorder-group.tsx

@@ -36,6 +36,11 @@ export class ReorderGroup implements ComponentInterface {
   private containerTop = 0;
   private containerBottom = 0;
 
+  private longPressTimeout: any;
+  private pressed = false;
+  // the amount of time in milliseconds that the user must press and hold before the reorder is initiated
+  private longPressDuration = 500;
+
   @State() state = ReorderGroupState.Idle;
 
   @Element() el!: HTMLElement;
@@ -51,6 +56,11 @@ export class ReorderGroup implements ComponentInterface {
     }
   }
 
+  // default is `tap` to maintain backwards compatibility
+  // `tap` will initiate the reorder immediately
+  // `press` will initiate the reorder after the `longPressDuration`
+  @Prop() activate: 'tap' | 'press' = 'tap'
+
   /**
    * Event that needs to be listened to in order to complete the reorder action.
    * Once the event has been emitted, the `complete()` method then needs
@@ -125,52 +135,78 @@ export class ReorderGroup implements ComponentInterface {
   private onStart(ev: GestureDetail) {
     ev.event.preventDefault();
 
-    const item = (this.selectedItemEl = ev.data);
-    const heights = this.cachedHeights;
-    heights.length = 0;
-    const el = this.el;
-    const children: any = el.children;
-    if (!children || children.length === 0) {
-      return;
-    }
-
-    let sum = 0;
-    for (let i = 0; i < children.length; i++) {
-      const child = children[i];
-      sum += child.offsetHeight;
-      heights.push(sum);
-      child.$ionIndex = i;
-    }
-
-    const box = el.getBoundingClientRect();
-    this.containerTop = box.top;
-    this.containerBottom = box.bottom;
-
-    if (this.scrollEl) {
-      const scrollBox = this.scrollEl.getBoundingClientRect();
-      this.scrollElInitial = this.scrollEl.scrollTop;
-      this.scrollElTop = scrollBox.top + AUTO_SCROLL_MARGIN;
-      this.scrollElBottom = scrollBox.bottom - AUTO_SCROLL_MARGIN;
+    if (this.activate === 'press') {
+      this.longPressTimeout = setTimeout(() => {
+        this.pressed = true;
+        this.clearGestureTimeout();
+  console.log('hits')
+        this.selectingItem(ev);
+        
+      }, this.longPressDuration);
     } else {
-      this.scrollElInitial = 0;
-      this.scrollElTop = 0;
-      this.scrollElBottom = 0;
+      console.log('nope')
+      this.selectingItem(ev);
     }
-
-    this.lastToIndex = indexForItem(item);
-    this.selectedItemHeight = item.offsetHeight;
-    this.state = ReorderGroupState.Active;
-
-    item.classList.add(ITEM_REORDER_SELECTED);
-
-    hapticSelectionStart();
   }
 
+  private selectingItem(ev: GestureDetail) {
+    const item = (this.selectedItemEl = ev.data);
+      const heights = this.cachedHeights;
+      heights.length = 0;
+      const el = this.el;
+      const children: any = el.children;
+      if (!children || children.length === 0) {
+        return;
+      }
+
+      let sum = 0;
+      for (let i = 0; i < children.length; i++) {
+        const child = children[i];
+        sum += child.offsetHeight;
+        heights.push(sum);
+        child.$ionIndex = i;
+      }
+
+      const box = el.getBoundingClientRect();
+      this.containerTop = box.top;
+      this.containerBottom = box.bottom;
+
+      if (this.scrollEl) {
+        const scrollBox = this.scrollEl.getBoundingClientRect();
+        this.scrollElInitial = this.scrollEl.scrollTop;
+        this.scrollElTop = scrollBox.top + AUTO_SCROLL_MARGIN;
+        this.scrollElBottom = scrollBox.bottom - AUTO_SCROLL_MARGIN;
+      } else {
+        this.scrollElInitial = 0;
+        this.scrollElTop = 0;
+        this.scrollElBottom = 0;
+      }
+
+      this.lastToIndex = indexForItem(item);
+      this.selectedItemHeight = item.offsetHeight;
+      this.state = ReorderGroupState.Active;
+
+      item.classList.add(ITEM_REORDER_SELECTED);
+
+      hapticSelectionStart();
+  }
+
+  private clearGestureTimeout = () => {
+    if (this.longPressTimeout) {
+      clearTimeout(this.longPressTimeout);
+      this.longPressTimeout = undefined;
+    }
+  };
+
   private onMove(ev: GestureDetail) {
     const selectedItem = this.selectedItemEl;
     if (!selectedItem) {
       return;
     }
+
+    if (this.activate === 'press' && !this.pressed) {
+      return;
+    }
     // Scroll if we reach the scroll margins
     const scroll = this.autoscroll(ev.currentY);
 
@@ -191,6 +227,8 @@ export class ReorderGroup implements ComponentInterface {
 
     // Update selected item position
     selectedItem.style.transform = `translateY(${deltaY}px)`;
+
+    this.clearGestureTimeout();
   }
 
   private onEnd() {
@@ -215,10 +253,18 @@ export class ReorderGroup implements ComponentInterface {
     }
 
     hapticSelectionEnd();
+
+    if (this.activate === 'press' && !this.pressed) {
+      return;
+    }
+
+    this.pressed = false;
+    this.clearGestureTimeout();
   }
 
   private completeReorder(listOrReorder?: boolean | any[]): any {
     const selectedItemEl = this.selectedItemEl;
+    console.log('end')
     if (selectedItemEl && this.state === ReorderGroupState.Complete) {
       const children = this.el.children as any;
       const len = children.length;

core/src/components/reorder-group/test/long-press/index.html

@@ -0,0 +1,93 @@
+<!DOCTYPE html>
+<html lang="en" dir="ltr">
+  <head>
+    <meta charset="UTF-8" />
+    <title>Reorder - Basic</title>
+    <meta
+      name="viewport"
+      content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"
+    />
+    <link href="../../../../../css/ionic.bundle.css" rel="stylesheet" />
+    <link href="../../../../../scripts/testing/styles.css" rel="stylesheet" />
+    <script src="../../../../../scripts/testing/scripts.js"></script>
+    <script nomodule src="../../../../../dist/ionic/ionic.js"></script>
+    <script type="module" src="../../../../../dist/ionic/ionic.esm.js"></script>
+  </head>
+
+  <body>
+    <ion-app>
+      <ion-header>
+        <ion-toolbar>
+          <ion-title>Reorder - Long Press</ion-title>
+        </ion-toolbar>
+      </ion-header>
+
+      <ion-content id="content">
+        <p>Reorder with icons</p>
+        <ion-list>
+          <ion-reorder-group id="reorder-icons" activate="press" disabled="false">
+            <ion-item button>
+              <ion-label> Item 1 (default ion-reorder) </ion-label>
+              <ion-reorder slot="end"></ion-reorder>
+            </ion-item>
+
+            <ion-item-sliding>
+              <ion-item button>
+                <ion-label> Item 2 (default ion-reorder with ion-item-sliding) </ion-label>
+                <ion-reorder slot="end"></ion-reorder>
+              </ion-item>
+              <ion-item-options side="start">
+                <ion-item-option>Favorite</ion-item-option>
+                <ion-item-option color="danger">Share</ion-item-option>
+              </ion-item-options>
+
+              <ion-item-options side="end">
+                <ion-item-option>Unread</ion-item-option>
+              </ion-item-options>
+            </ion-item-sliding>
+          </ion-reorder-group>
+        </ion-list>
+        <p>Reorder with wrapper</p>
+        <ion-list>
+          <ion-reorder-group id="reorder-wrappers" disabled="false" activate="press" long-press-duration="5000">
+            <ion-reorder>
+              <ion-item>
+                <ion-label> Item 1 </ion-label>
+              </ion-item>
+            </ion-reorder>
+
+            <ion-reorder>
+              <ion-item-sliding>
+                <ion-item button>
+                  <ion-label> Item 2 (default ion-reorder with ion-item-sliding) </ion-label>
+                </ion-item>
+                <ion-item-options side="start">
+                  <ion-item-option>Favorite</ion-item-option>
+                  <ion-item-option color="danger">Share</ion-item-option>
+                </ion-item-options>
+  
+                <ion-item-options side="end">
+                  <ion-item-option>Unread</ion-item-option>
+                </ion-item-options>
+              </ion-item-sliding>
+            </ion-reorder>
+        </ion-list>
+      </ion-content>
+    </ion-app>
+
+    <script>
+      const reorderGroup = document.getElementById('reorder-icons');
+      reorderGroup.addEventListener('ionItemReorder', ({ detail }) => {
+        console.log('Dragged from index', detail.from, 'to', detail.to);
+
+        detail.complete();
+      });
+      const reorderGroup2 = document.getElementById('reorder-wrappers');
+      reorderGroup2.addEventListener('ionItemReorder', ({ detail }) => {
+        console.log('Dragged from index', detail.from, 'to', detail.to);
+
+        detail.complete();
+      });
+    </script>
+  </body>
+</html>