Upgrade to ExtJS 4.0.1 - Released 05/18/2011

[extjs.git] / docs / source / Offset.html
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+<!DOCTYPE html>
+<html>
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+  <title>The source code</title>
+  <link href="../prettify/prettify.css" type="text/css" rel="stylesheet" />
+  <script type="text/javascript" src="../prettify/prettify.js"></script>
+  <style type="text/css">
+    .highlight { display: block; background-color: #ddd; }
+  </style>
+  <script type="text/javascript">
+    function highlight() {
+      document.getElementById(location.hash.replace(/#/, "")).className = "highlight";
+    }
+  </script>
+</head>
+<body onload="prettyPrint(); highlight();">
+  <pre class="prettyprint lang-js"><span id='Ext-util-Offset'>/**
+</span> * @class Ext.util.Offset
+ * @ignore
+ */
+Ext.define('Ext.util.Offset', {
+
+    /* Begin Definitions */
+
+    statics: {
+        fromObject: function(obj) {
+            return new this(obj.x, obj.y);
+        }
+    },
+
+    /* End Definitions */
+
+    constructor: function(x, y) {
+        this.x = (x != null &amp;&amp; !isNaN(x)) ? x : 0;
+        this.y = (y != null &amp;&amp; !isNaN(y)) ? y : 0;
+
+        return this;
+    },
+
+    copy: function() {
+        return new Ext.util.Offset(this.x, this.y);
+    },
+
+    copyFrom: function(p) {
+        this.x = p.x;
+        this.y = p.y;
+    },
+
+    toString: function() {
+        return &quot;Offset[&quot; + this.x + &quot;,&quot; + this.y + &quot;]&quot;;
+    },
+
+    equals: function(offset) {
+        //&lt;debug&gt;
+        if(!(offset instanceof this.statics())) {
+            Ext.Error.raise('Offset must be an instance of Ext.util.Offset');
+        }
+        //&lt;/debug&gt;
+
+        return (this.x == offset.x &amp;&amp; this.y == offset.y);
+    },
+
+    round: function(to) {
+        if (!isNaN(to)) {
+            var factor = Math.pow(10, to);
+            this.x = Math.round(this.x * factor) / factor;
+            this.y = Math.round(this.y * factor) / factor;
+        } else {
+            this.x = Math.round(this.x);
+            this.y = Math.round(this.y);
+        }
+    },
+
+    isZero: function() {
+        return this.x == 0 &amp;&amp; this.y == 0;
+    }
+});
+</pre>
+</body>
+</html>