Upgrade to ExtJS 3.1.0 - Released 12/16/2009
[extjs.git] / docs / source / FieldReplicator.html
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-<html>
-<head>
-  <title>The source code</title>
-    <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
-    <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
-</head>
-<body  onload="prettyPrint();">
-    <pre class="prettyprint lang-js">Ext.ns("Ext.ux");\r
-\r
-<div id="cls-Ext.ux.FieldReplicator"></div>/**\r
- * @class Ext.ux.FieldReplicator\r
- * <p>A plugin for Field Components which creates clones of the Field for as\r
- * long as the user keeps filling them. Leaving the final one blank ends the repeating series.</p>\r
- * <p>Usage:</p>\r
- * <pre><code>\r
-    {\r
-        xtype: 'combo',\r
-        plugins: [ Ext.ux.FieldReplicator ],\r
-        triggerAction: 'all',\r
-        fieldLabel: 'Select recipient',\r
-        store: recipientStore\r
-    }\r
- * </code></pre>\r
- */\r
-Ext.ux.FieldReplicator = {\r
-    init: function(f) {\r
-        f.replicator = this;\r
-        f.enableKeyEvents = true;\r
-        f.on('change', this.onChange, this);\r
-        f.onKeyDown = f.onKeyDown.createInterceptor(this.onKeyDown);\r
-    },\r
-\r
-//  If tabbing out and the change event will be fired, flag that\r
-//  the change handler must focus the correct sibling Field.\r
-    onKeyDown: function(e) {\r
-        if ((e.getKey() == Ext.EventObject.TAB) && (String(this.startValue) !== String(this.getValue()))) {\r
-            if (e.shiftKey) {\r
-                this.focusPrev = true;\r
-            } else if (!e.shiftKey && !e.altKey) {\r
-                this.focusNext = true;\r
-            }\r
-        }\r
-    },\r
-\r
-//  Handle the field either being changed to blank or from blank.\r
-    onChange: function(f, n, o) {\r
-        var c = f.ownerCt, l,\r
-            ps = f.previousSibling(),\r
-            ns = f.nextSibling();\r
-        if (Ext.isEmpty(n)) {\r
-            if (!Ext.isEmpty(o)) {\r
-//              The Field has been blanked, and it is not the only one left, remove it\r
-                if ((ps && (ps.replicator === this)) || (ns && (ns.replicator === this))) {\r
-                    l = f.findParentBy(function(p) {\r
-                        return !Ext.isDefined(p.ownerCt);\r
-                    });\r
-                    c.remove(f);\r
-                    l.doLayout();\r
-                }\r
-            }\r
-        } else {\r
-            if (Ext.isEmpty(o)) {\r
-//              Field filled, insert a clone as the next sibling\r
-                ns = new f.constructor(f.cloneConfig());\r
-                c.insert(c.items.indexOf(f) + 1, ns);\r
-                c.doLayout();\r
-                l = f.findParentBy(function(p) {\r
-                    return !Ext.isDefined(p.ownerCt);\r
-                });\r
-                l.doLayout();\r
-            }\r
-        }\r
-        if (f.focusPrev) {\r
-            delete f.focusPrev;\r
-            ps.focus(false, true);\r
-        } else  if (f.focusNext) {\r
-            delete f.focusNext;\r
-            ns.focus(false, true);\r
-        }\r
-    }\r
-};</pre>
-</body>
-</html>
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