/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-Ext.ns("Ext.ux");
-
-/**
- * @class Ext.ux.FieldReplicator
- * 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.
- * Usage:
- *
- {
- xtype: 'combo',
- plugins: [ Ext.ux.FieldReplicator ],
- triggerAction: 'all',
- fieldLabel: 'Select recipient',
- store: recipientStore
- }
- *
- */
-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);
- }
- }
-};
-
-
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