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- <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
+<body onload="prettyPrint(); highlight();">
+ <pre class="prettyprint lang-js"><span id='Ext-menu-KeyNav'>/**
+</span> * @class Ext.menu.KeyNav
+ * @private
*/
-<div id="cls-Ext.KeyNav"></div>/**
- * @class Ext.KeyNav
- * <p>Provides a convenient wrapper for normalized keyboard navigation. KeyNav allows you to bind
- * navigation keys to function calls that will get called when the keys are pressed, providing an easy
- * way to implement custom navigation schemes for any UI component.</p>
- * <p>The following are all of the possible keys that can be implemented: enter, left, right, up, down, tab, esc,
- * pageUp, pageDown, del, home, end. Usage:</p>
- <pre><code>
-var nav = new Ext.KeyNav("my-element", {
- "left" : function(e){
- this.moveLeft(e.ctrlKey);
- },
- "right" : function(e){
- this.moveRight(e.ctrlKey);
- },
- "enter" : function(e){
- this.save();
+Ext.define('Ext.menu.KeyNav', {
+ extend: 'Ext.util.KeyNav',
+
+ requires: ['Ext.FocusManager'],
+
+ constructor: function(menu) {
+ var me = this;
+
+ me.menu = menu;
+ me.callParent([menu.el, {
+ down: me.down,
+ enter: me.enter,
+ esc: me.escape,
+ left: me.left,
+ right: me.right,
+ space: me.enter,
+ tab: me.tab,
+ up: me.up
+ }]);
},
- scope : this
-});
-</code></pre>
- * @constructor
- * @param {Mixed} el The element to bind to
- * @param {Object} config The config
- */
-Ext.KeyNav = function(el, config){
- this.el = Ext.get(el);
- Ext.apply(this, config);
- if(!this.disabled){
- this.disabled = true;
- this.enable();
- }
-};
-
-Ext.KeyNav.prototype = {
- <div id="cfg-Ext.KeyNav-disabled"></div>/**
- * @cfg {Boolean} disabled
- * True to disable this KeyNav instance (defaults to false)
- */
- disabled : false,
- <div id="cfg-Ext.KeyNav-defaultEventAction"></div>/**
- * @cfg {String} defaultEventAction
- * The method to call on the {@link Ext.EventObject} after this KeyNav intercepts a key. Valid values are
- * {@link Ext.EventObject#stopEvent}, {@link Ext.EventObject#preventDefault} and
- * {@link Ext.EventObject#stopPropagation} (defaults to 'stopEvent')
- */
- defaultEventAction: "stopEvent",
- <div id="cfg-Ext.KeyNav-forceKeyDown"></div>/**
- * @cfg {Boolean} forceKeyDown
- * Handle the keydown event instead of keypress (defaults to false). KeyNav automatically does this for IE since
- * IE does not propagate special keys on keypress, but setting this to true will force other browsers to also
- * handle keydown instead of keypress.
- */
- forceKeyDown : false,
-
- // private
- relay : function(e){
- var k = e.getKey(),
- h = this.keyToHandler[k];
- if(h && this[h]){
- if(this.doRelay(e, this[h], h) !== true){
- e[this.defaultEventAction]();
- }
+
+ down: function(e) {
+ var me = this,
+ fi = me.menu.focusedItem;
+
+ if (fi && e.getKey() == Ext.EventObject.DOWN && me.isWhitelisted(fi)) {
+ return true;
}
+ me.focusNextItem(1);
},
- // private
- doRelay : function(e, h, hname){
- return h.call(this.scope || this, e, hname);
+ enter: function(e) {
+ var menu = this.menu,
+ focused = menu.focusedItem;
+
+ if (menu.activeItem) {
+ menu.onClick(e);
+ } else if (focused && focused.isFormField) {
+ // prevent stopEvent being called
+ return true;
+ }
},
- // possible handlers
- enter : false,
- left : false,
- right : false,
- up : false,
- down : false,
- tab : false,
- esc : false,
- pageUp : false,
- pageDown : false,
- del : false,
- home : false,
- end : false,
-
- // quick lookup hash
- keyToHandler : {
- 37 : "left",
- 39 : "right",
- 38 : "up",
- 40 : "down",
- 33 : "pageUp",
- 34 : "pageDown",
- 46 : "del",
- 36 : "home",
- 35 : "end",
- 13 : "enter",
- 27 : "esc",
- 9 : "tab"
+ escape: function(e) {
+ Ext.menu.Manager.hideAll();
},
-
- stopKeyUp: function(e) {
- var k = e.getKey();
- if (k >= 37 && k <= 40) {
- // *** bugfix - safari 2.x fires 2 keyup events on cursor keys
- // *** (note: this bugfix sacrifices the "keyup" event originating from keyNav elements in Safari 2)
- e.stopEvent();
+ focusNextItem: function(step) {
+ var menu = this.menu,
+ items = menu.items,
+ focusedItem = menu.focusedItem,
+ startIdx = focusedItem ? items.indexOf(focusedItem) : -1,
+ idx = startIdx + step;
+
+ while (idx != startIdx) {
+ if (idx < 0) {
+ idx = items.length - 1;
+ } else if (idx >= items.length) {
+ idx = 0;
+ }
+
+ var item = items.getAt(idx);
+ if (menu.canActivateItem(item)) {
+ menu.setActiveItem(item);
+ break;
+ }
+ idx += step;
}
},
-
- <div id="method-Ext.KeyNav-destroy"></div>/**
- * Destroy this KeyNav (this is the same as calling disable).
- */
- destroy: function(){
- this.disable();
+
+ isWhitelisted: function(item) {
+ return Ext.FocusManager.isWhitelisted(item);
},
- <div id="method-Ext.KeyNav-enable"></div>/**
- * Enable this KeyNav
- */
- enable: function() {
- if (this.disabled) {
- if (Ext.isSafari2) {
- // call stopKeyUp() on "keyup" event
- this.el.on('keyup', this.stopKeyUp, this);
- }
+ left: function(e) {
+ var menu = this.menu,
+ fi = menu.focusedItem,
+ ai = menu.activeItem;
+
+ if (fi && this.isWhitelisted(fi)) {
+ return true;
+ }
- this.el.on(this.isKeydown()? 'keydown' : 'keypress', this.relay, this);
- this.disabled = false;
+ menu.hide();
+ if (menu.parentMenu) {
+ menu.parentMenu.focus();
}
},
- <div id="method-Ext.KeyNav-disable"></div>/**
- * Disable this KeyNav
- */
- disable: function() {
- if (!this.disabled) {
- if (Ext.isSafari2) {
- // remove "keyup" event handler
- this.el.un('keyup', this.stopKeyUp, this);
- }
+ right: function(e) {
+ var menu = this.menu,
+ fi = menu.focusedItem,
+ ai = menu.activeItem,
+ am;
+
+ if (fi && this.isWhitelisted(fi)) {
+ return true;
+ }
- this.el.un(this.isKeydown()? 'keydown' : 'keypress', this.relay, this);
- this.disabled = true;
+ if (ai) {
+ am = menu.activeItem.menu;
+ if (am) {
+ ai.expandMenu(0);
+ Ext.defer(function() {
+ am.setActiveItem(am.items.getAt(0));
+ }, 25);
+ }
}
},
-
- <div id="method-Ext.KeyNav-setDisabled"></div>/**
- * Convenience function for setting disabled/enabled by boolean.
- * @param {Boolean} disabled
- */
- setDisabled : function(disabled){
- this[disabled ? "disable" : "enable"]();
+
+ tab: function(e) {
+ var me = this;
+
+ if (e.shiftKey) {
+ me.up(e);
+ } else {
+ me.down(e);
+ }
},
-
- // private
- isKeydown: function(){
- return this.forceKeyDown || Ext.EventManager.useKeydown;
+
+ up: function(e) {
+ var me = this,
+ fi = me.menu.focusedItem;
+
+ if (fi && e.getKey() == Ext.EventObject.UP && me.isWhitelisted(fi)) {
+ return true;
+ }
+ me.focusNextItem(-1);
}
-};
-</pre>
+});</pre>
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