From 221bb3354bbd5c6a4f8464a4f41fbb61358fb45b Mon Sep 17 00:00:00 2001
From: Guten Ye <ywzhaifei@gmail.com>
Date: Tue, 13 Oct 2015 13:42:28 +0800
Subject: [PATCH] Add Polymer Support

---
 README.md     |  14 ++++-
 Sortable.html | 139 ++++++++++++++++++++++++++++++++++++++++++++++++++
 bower.json    |   8 ++-
 3 files changed, 158 insertions(+), 3 deletions(-)
 create mode 100644 Sortable.html

diff --git a/README.md b/README.md
index 55f2275..b259181 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Demo: http://rubaxa.github.io/Sortable/
  * Supports drag handles *and selectable text* (better than voidberg's html5sortable)
  * Smart auto-scrolling
  * Built using native HTML5 drag and drop API
- * Supports [Meteor](meteor/README.md), [AngularJS](#ng) and [React](#react)
+ * Supports [Meteor](meteor/README.md), [AngularJS](#ng), [React](#react) and [Polymer](#polymer)
  * Supports any CSS library, e.g. [Bootstrap](#bs)
  * Simple API
  * [CDN](#cdn)
@@ -472,6 +472,18 @@ Other attributes are:
 
 ---
 
+<a name="polymer"></a>
+### Support Polymer
+```html
+
+<link rel="import" href="bower_components/sortable-js/sortable-js.html">
+
+<sortable-js>
+  <template is="dom-repeat" items={{names}}>
+    <div>{{item}}</div>
+  </template>
+<sortable-js>
+```
 
 ### Method
 
diff --git a/Sortable.html b/Sortable.html
new file mode 100644
index 0000000..dc93d65
--- /dev/null
+++ b/Sortable.html
@@ -0,0 +1,139 @@
+<link rel="import" href="../polymer/polymer.html">
+<script src="./Sortable.js"></script>
+
+<dom-module id="sortable-js">
+  <template>
+    <content></content>
+  </template>
+</dom-module>
+<script>
+  Polymer({
+    is: "sortable-js",
+
+    properties: {
+      group             : { type: String, value: () => Math.random(), observer: "groupChanged" },
+      sort              : { type: Boolean, value: true, observer: "sortChanged" },
+      disabled          : { type: Boolean, value: false, observer: "disabledChanged" },
+      store             : { type: Object, value: null, observer: "storeChanged" },
+      handle            : { type: String, value: null, observer: "handleChanged" },
+      scrollSensitivity : { type: Number, value: 30, observer: "scrollSensitivityChanged" },
+      scrollSpeed       : { type: Number, value: 10, observer: "scrollSpeedChanged" },
+      ghostClass        : { type: String, value: "sortable-ghost", observer: "ghostClassChanged" },
+      chosenClass       : { type: String, value: "sortable-chosen", observer: "chosenClassChanged" },
+      ignore            : { type: String, value: "a, img", observer: "ignoreChanged" },
+      filter            : { type: Object, value: null, observer: "filterChanged" },
+      animation         : { type: Number, value: 0, observer: "animationChanged" },
+      dropBubble        : { type: Boolean, value: false, observer: "dropBubbleChanged" },
+      dragoverBubble    : { type: Boolean, value: false, observer: "dragoverBubbleChanged" },
+      dataIdAttr        : { type: String, value: "data-id", observer: "dataIdAttrChanged" },
+      delay             : { type: Number, value: 0, observer: "delayChanged" },
+      forceFallback     : { type: Boolean, value: false, observer: "forceFallbackChanged" },
+      fallbackClass     : { type: String, value: "sortable-fallback", observer: "fallbackClassChanged" },
+      fallbackOnBody    : { type: Boolean, value: false, observer: "fallbackOnBodyChanged" },
+      draggable         : {},
+      scroll            : {}
+    },
+
+    created() {
+      // override default DOM property behavior
+      Object.defineProperties(this, {
+        draggable: { get() { return this._draggable || this.getAttribute("draggable") || ">*"}, set(value) { this._draggable = value; this.draggableChanged(value)} },
+        scroll: { get() { return this._scroll || JSON.parse(this.getAttribute("scroll") || "true") }, set(value) { this._scroll = value; this.scrollChanged(value)} }
+      })
+    },
+
+    attached: function() {
+      // Given
+      //   <sortable-js>
+      //     <template is="dom-repeat" items={{data}}>
+      //       <div>
+      //         <template is="dom-if" if="true">
+      //           <span>hello</span></template></div>
+      // After render, it becomes
+      //   <sortable-js>
+      //     <div>
+      //       <span>hello</span>
+      //       <template is="dom-if">
+      //     <tempalte is="dom-repeat">
+      var templates = this.querySelectorAll("template[is='dom-repeat']")
+      var template = templates[templates.length-1]
+
+      var options = {}
+      Object.keys(this.properties).forEach(key => {
+        options[key] = this[key]
+      })
+
+      this.sortable = Sortable.create(this, Object.assign(options, {
+        onUpdate: e => {
+          if (template) {
+            template.splice("items", e.newIndex, 0, template.splice("items", e.oldIndex, 1)[0])
+          }
+          this.fire("update", e)
+        },
+
+        onAdd: e => {
+          if (template) {
+            var froms = e.from.querySelectorAll("template[is='dom-repeat']")
+            var from = froms[froms.length-1]
+            var item = from.items[e.oldIndex]
+            template.splice("items", e.newIndex, 0, item)
+          }
+          this.fire("add", e)
+        },
+
+        onRemove: e => {
+          if (template) {
+            template.splice("items", e.oldIndex, 1)[0]
+          }
+          this.fire("remove", e)
+        },
+
+        onStart: e => {
+          this.fire("start", e)
+        },
+
+        onEnd: e => {
+          this.fire("end", e)
+        },
+
+        onSort: e => {
+          this.fire("sort", e)
+        },
+
+        onFilter: e => {
+          this.fire("filter", e)
+        },
+
+        onMove: e => {
+          this.fire("move", e)
+        }
+      }))
+    },
+
+    detached: function() {
+      this.sortable.destroy()
+    },
+
+    groupChanged             : function(value) { this.sortable && this.sortable.option("group", value) },
+    sortChanged              : function(value) { this.sortable && this.sortable.option("sort", value) },
+    disabledChanged          : function(value) { this.sortable && this.sortable.option("disabled", value) },
+    storeChanged             : function(value) { this.sortable && this.sortable.option("store", value) },
+    handleChanged            : function(value) { this.sortable && this.sortable.option("handle", value) },
+    scrollChanged           : function(value) { this.sortable && this.sortable.option("scroll", value) },
+    scrollSensitivityChanged : function(value) { this.sortable && this.sortable.option("scrollSensitivity", value) },
+    scrollSpeedChanged       : function(value) { this.sortable && this.sortable.option("scrollSpeed", value) },
+    draggableChanged        : function(value) { this.sortable && this.sortable.option("draggable", value) },
+    ghostClassChanged        : function(value) { this.sortable && this.sortable.option("ghostClass", value) },
+    chosenClassChanged       : function(value) { this.sortable && this.sortable.option("chosenClass", value) },
+    ignoreChanged            : function(value) { this.sortable && this.sortable.option("ignore", value) },
+    filterChanged            : function(value) { this.sortable && this.sortable.option("filter", value) },
+    animationChanged         : function(value) { this.sortable && this.sortable.option("animation", value) },
+    dropBubbleChanged        : function(value) { this.sortable && this.sortable.option("dropBubble", value) },
+    dragoverBubbleChanged    : function(value) { this.sortable && this.sortable.option("dragoverBubble", value) },
+    dataIdAttrChanged        : function(value) { this.sortable && this.sortable.option("dataIdAttr", value) },
+    delayChanged             : function(value) { this.sortable && this.sortable.option("delay", value) },
+    forceFallbackChanged     : function(value) { this.sortable && this.sortable.option("forceFallback", value) },
+    fallbackClassChanged     : function(value) { this.sortable && this.sortable.option("fallbackClass", value) },
+    fallbackOnBodyChanged    : function(value) { this.sortable && this.sortable.option("fallbackOnBody", value) }
+  })
+</script>
diff --git a/bower.json b/bower.json
index fae6f7a..c934c0e 100644
--- a/bower.json
+++ b/bower.json
@@ -19,7 +19,8 @@
     "drag",
     "and",
     "drop",
-    "dnd"
+    "dnd",
+		"web-components"
   ],
   "license": "MIT",
   "ignore": [
@@ -27,5 +28,8 @@
     "bower_components",
     "test",
     "tests"
-  ]
+  ],
+  "dependencies": {
+    "polymer": "Polymer/polymer#~1.1.4",
+	}
 }