checking in split files in preparation for new Ruby build

src/Container.js

@@ -0,0 +1,105 @@
+///////////////////////////////////////////////////////////////////////
+//  Container
+///////////////////////////////////////////////////////////////////////
+
+/**
+ * Container constructor.  Containers are used to contain nodes or other containers
+ * @constructor
+ */
+Kinetic.Container = function() {
+    this.children = [];
+    this.childrenNames = {};
+};
+/*
+ * Container methods
+ */
+Kinetic.Container.prototype = {
+    /**
+     * get children
+     */
+    getChildren: function() {
+        return this.children;
+    },
+    /**
+     * get child node by name
+     * @param {String} name
+     */
+    getChild: function(name) {
+        return this.childrenNames[name];
+    },
+    /**
+     * remove all children
+     */
+    removeChildren: function() {
+        while(this.children.length > 0) {
+            this.remove(this.children[0]);
+        }
+    },
+    /**
+     * remove child from container
+     * @param {Node} child
+     */
+    _remove: function(child) {
+        if(child.name !== undefined) {
+            this.childrenNames[child.name] = undefined;
+        }
+        this.children.splice(child.index, 1);
+        this._setChildrenIndices();
+        child = undefined;
+    },
+    /**
+     * draw children
+     */
+    _drawChildren: function() {
+        var children = this.children;
+        for(var n = 0; n < children.length; n++) {
+            var child = children[n];
+            if(child.className === "Shape") {
+                child._draw(child.getLayer());
+            } else {
+                child._draw();
+            }
+        }
+    },
+    /**
+     * add node to container
+     * @param {Node} child
+     */
+    _add: function(child) {
+        if(child.name) {
+            this.childrenNames[child.name] = child;
+        }
+        child.id = Kinetic.GlobalObject.idCounter++;
+        child.index = this.children.length;
+        child.parent = this;
+
+        this.children.push(child);
+    },
+    /**
+     * set children indices
+     */
+    _setChildrenIndices: function() {
+        /*
+         * if reordering Layers, remove all canvas elements
+         * from the container except the buffer and backstage canvases
+         * and then readd all the layers
+         */
+        if(this.className === "Stage") {
+            var canvases = this.container.childNodes;
+            var bufferCanvas = canvases[0];
+            var backstageCanvas = canvases[1];
+
+            this.container.innerHTML = "";
+            this.container.appendChild(bufferCanvas);
+            this.container.appendChild(backstageCanvas);
+        }
+
+        for(var n = 0; n < this.children.length; n++) {
+            this.children[n].index = n;
+
+            if(this.className === "Stage") {
+                this.container.appendChild(this.children[n].canvas);
+            }
+        }
+    }
+};