Upgrade to ExtJS 4.0.0 - Released 04/26/2011

[extjs.git] / examples / docs / source / FieldReplicator.html
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-<html>
-<head>
-  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    
-  <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 JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-Ext.ns("Ext.ux");
-
-<div id="cls-Ext.ux.FieldReplicator"></div>/**
- * @class Ext.ux.FieldReplicator
- * <p>A plugin for Field Components which creates clones of the Field for as
- * long as the user keeps filling them. Leaving the final one blank ends the repeating series.</p>
- * <p>Usage:</p>
- * <pre><code>
-    {
-        xtype: 'combo',
-        plugins: [ Ext.ux.FieldReplicator ],
-        triggerAction: 'all',
-        fieldLabel: 'Select recipient',
-        store: recipientStore
-    }
- * </code></pre>
- */
-Ext.ux.FieldReplicator = {
-    init: function(f) {
-        f.replicator = this;
-        f.enableKeyEvents = true;
-        f.on('change', this.onChange, this);
-        f.onKeyDown = f.onKeyDown.createInterceptor(this.onKeyDown);
-    },
-
-//  If tabbing out and the change event will be fired, flag that
-//  the change handler must focus the correct sibling Field.
-    onKeyDown: function(e) {
-        if ((e.getKey() == Ext.EventObject.TAB) && (String(this.startValue) !== String(this.getValue()))) {
-            if (e.shiftKey) {
-                this.focusPrev = true;
-            } else if (!e.shiftKey && !e.altKey) {
-                this.focusNext = true;
-            }
-        }
-    },
-
-//  Handle the field either being changed to blank or from blank.
-    onChange: function(f, n, o) {
-
-//             Ensure that "change" is only fired once.
-       f.startValue = n;
-
-        var c = f.ownerCt, l,
-            ps = f.previousSibling(),
-            ns = f.nextSibling();
-        if (Ext.isEmpty(n)) {
-            if (!Ext.isEmpty(o)) {
-//              The Field has been blanked, and it is not the only one left, remove it
-                if ((ps && (ps.replicator === this)) || (ns && (ns.replicator === this))) {
-                    l = f.findParentBy(function(p) {
-                        return !Ext.isDefined(p.ownerCt);
-                    });
-                    c.remove(f);
-                    l.doLayout();
-                }
-            }
-        } else {
-            if (Ext.isEmpty(o)) {
-//              Field filled, insert a clone as the next sibling
-                ns = new f.constructor(f.cloneConfig());
-                c.insert(c.items.indexOf(f) + 1, ns);
-                c.doLayout();
-                l = f.findParentBy(function(p) {
-                    return !Ext.isDefined(p.ownerCt);
-                });
-                l.doLayout();
-            }
-        }
-        if (f.focusPrev) {
-            delete f.focusPrev;
-            ps.focus(false, true);
-        } else  if (f.focusNext) {
-            delete f.focusNext;
-            ns.focus(false, true);
-        }
-    }
-};</pre>    
-</body>
-</html>
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