gridstack · adumesny · Nov 15, 2020 · Oct 29, 2020 · Oct 29, 2020 · Oct 29, 2020
diff --git a/demo/two-h5.html b/demo/two-h5.html
@@ -0,0 +1,124 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <title>Two grids demo</title>
+
+  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
+  <link rel="stylesheet" href="demo.css"/>
+  <link rel="stylesheet" href="../dist/gridstack-extra.css"/>
+
+  <script src="../dist/gridstack.h5.js"></script>
+
+  <style type="text/css">
+    .grid-stack-item-removing {
+      opacity: 0.5;
+    }
+    .trash {
+      height: 150px;
+      margin-bottom: 20px;
+      background: rgba(255, 0, 0, 0.1) center center url(data:image/svg+xml;utf8;base64,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) no-repeat;
+    }
+    .sidebar {
+      background: rgba(0, 255, 0, 0.1);
+      height: 150px;
+      padding: 25px 0;
+      text-align: center;
+    }
+    .sidebar .grid-stack-item {
+      width: 120px;
+      height: 50px;
+      border: 2px dashed green;
+      text-align: center;
+      line-height: 35px;
+      z-index: 10;
+      background: rgba(0, 255, 0, 0.1);
+      cursor: default;
+      display: inline-block;
+    }
+    .sidebar .grid-stack-item .grid-stack-item-content {
+      background: none;
+    }
+  </style>
+</head>
+<body>
+  <div class="container-fluid">
+    <h1>Two grids demo</h1>
+
+    <div class="row">
+      <div class="col-md-3">
+        <div class="sidebar">
+
+          <!-- will size to match content -->
+          <div class="grid-stack-item">
+            <div class="grid-stack-item-content">Drag me</div>
+          </div>
+          <!-- manually force a drop size of 2x1 -->
+          <div class="grid-stack-item" data-gs-width="2" data-gs-height="1">
+            <div class="grid-stack-item-content">Drag me 2x1</div>
+          </div>
+
+        </div>
+      </div>
+      <div class="col-md-9">
+        <div class="trash">
+        </div>
+      </div>
+    </div>
+
+    <div class="row">
+      <div class="col-md-6">
+        <a onClick="toggleFloat(this, 0)" class="btn btn-primary" href="#">float: false</a>
+        <a onClick="compact(0)" class="btn btn-primary" href="#">Compact</a>
+        <div class="grid-stack grid-stack-6"></div>
+      </div>
+      <div class="col-md-6">
+        <a onClick="toggleFloat(this, 1)" class="btn btn-primary" href="#">float: true</a>
+        <a onClick="compact(1)" class="btn btn-primary" href="#">Compact</a>
+        <div class="grid-stack grid-stack-6"></div>
+      </div>
+    </div>
+  </div>
+  <script src="events.js"></script>
+  <script type="text/javascript">
+    let options = {
+      column: 6,
+      minRow: 1, // don't collapse when empty
+      cellHeight: 70,
+      disableOneColumnMode: true,
+      float: false,
+      dragIn: '.sidebar .grid-stack-item', // class that can be dragged from outside
+      dragInOptions: { revert: 'invalid', scroll: false, appendTo: 'body', helper: 'clone' }, // clone
+      removable: '.trash', // drag-out delete class
+      removeTimeout: 100,
+      acceptWidgets: function(el) { return true; } // function example, else can be simple: true | false | '.someClass' value
+    };
+    let grids = GridStack.initAll(options);
+    grids[1].float(true);
+
+    let items = [
+      {x: 0, y: 0, width: 2, height: 2},
+      {x: 3, y: 1, width: 1, height: 2},
+      {x: 4, y: 1, width: 1},
+      {x: 2, y: 3, width: 3, maxWidth: 3, id: 'special', content: 'has maxWidth=3'},
+      {x: 2, y: 5, width: 1}
+    ];
+
+    grids.forEach(function (grid, i) {
+      addEvents(grid, i);
+      grid.load(items);
+    });
+
+    function toggleFloat(button, i) {
+      grids[i].float(! grids[i].getFloat());
+      button.innerHTML = 'float: ' + grids[i].getFloat();
+    }
+
+    function compact(i) {
+      grids[i].compact();
+    }
+  </script>
+</body>
+</html>
diff --git a/src/dragdrop/dd-base-impl.ts b/src/dragdrop/dd-base-impl.ts
@@ -0,0 +1,42 @@
+// dd-base-impl.ts 2.2.0-dev @preserve
+
+/**
+ * https://gridstackjs.com/
+ * (c) 2020 rhlin, Alain Dumesny
+ * gridstack.js may be freely distributed under the MIT license.
+*/
+export type EventCallback = (event: Event) => boolean|void;
+export abstract class DDBaseImplement {
+  disabled = false;
+  private eventRegister: {
+    [eventName: string]: EventCallback;
+  } = {};
+  on(event: string, callback: EventCallback): void {
+    this.eventRegister[event] = callback;
+  }
+  off(event: string) {
+    delete this.eventRegister[event];
+  }
+  enable(): void {
+    this.disabled = false;
+  }
+  disable(): void {
+    this.disabled = true;
+  }
+  destroy() {
+    this.eventRegister = undefined;
+  }
+  triggerEvent(eventName: string, event: Event): boolean|void {
+    if (this.disabled) { return; }
+    if (!this.eventRegister) {return; } // used when destroy before triggerEvent fire
+    if (this.eventRegister[eventName]) {
+      return this.eventRegister[eventName](event);
+    }
+  }
+}
+
+export interface HTMLElementExtendOpt<T> {
+  el: HTMLElement;
+  option: T;
+  updateOption(T): void;
+}