升级easyUI到1.9.4版本
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季圣华
166
erp_web/js/easyui/demo/menubutton/nav.html
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166
erp_web/js/easyui/demo/menubutton/nav.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Keyboard Navigation in MenuButton - jQuery EasyUI Demo</title>
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<link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
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<link rel="stylesheet" type="text/css" href="../../themes/icon.css">
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<link rel="stylesheet" type="text/css" href="../demo.css">
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<script type="text/javascript" src="../../jquery.min.js"></script>
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<script type="text/javascript" src="../../jquery.easyui.min.js"></script>
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</head>
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<body>
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<h2>Keyboard Navigation in MenuButton</h2>
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<p>Press Alt+W to focus the menubutton. Once the menubutton get focus, you will be able to navigate menubutton using keyboard keys.</p>
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<div style="margin:20px 0;"></div>
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<div class="easyui-panel" style="padding:5px;">
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<a id="btn-home" href="#" class="easyui-linkbutton" data-options="plain:true">Home</a>
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<a href="#" class="easyui-menubutton" data-options="menu:'#mm1',iconCls:'icon-edit'">Edit</a>
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<a href="#" class="easyui-menubutton" data-options="menu:'#mm2',iconCls:'icon-help'">Help</a>
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<a href="#" class="easyui-menubutton" data-options="menu:'#mm3'">About</a>
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</div>
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<div id="mm1" style="width:150px;">
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<div data-options="iconCls:'icon-undo'">Undo</div>
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<div data-options="iconCls:'icon-redo'">Redo</div>
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<div class="menu-sep"></div>
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<div>Cut</div>
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<div>Copy</div>
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<div>Paste</div>
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<div class="menu-sep"></div>
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<div>
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<span>Toolbar</span>
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<div>
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<div>Address</div>
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<div>Link</div>
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<div>Navigation Toolbar</div>
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<div>Bookmark Toolbar</div>
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<div class="menu-sep"></div>
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<div>New Toolbar...</div>
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</div>
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</div>
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<div data-options="iconCls:'icon-remove'">Delete</div>
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<div>Select All</div>
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</div>
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<div id="mm2" style="width:100px;">
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<div>Help</div>
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<div>Update</div>
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<div>About</div>
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</div>
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<div id="mm3" class="menu-content" style="background:#f0f0f0;padding:10px;text-align:left">
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<img src="http://www.jeasyui.com/images/logo1.png" style="width:150px;height:50px">
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<p style="font-size:14px;color:#444;">Try jQuery EasyUI to build your modern, interactive, javascript applications.</p>
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</div>
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<script type="text/javascript">
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(function($){
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function getParentMenu(rootMenu, menu){
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return findParent(rootMenu);
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function findParent(pmenu){
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var p = undefined;
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$(pmenu).find('.menu-item').each(function(){
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if (!p && this.submenu){
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if ($(this.submenu)[0] == $(menu)[0]){
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p = pmenu;
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} else {
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p = findParent(this.submenu);
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}
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}
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});
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return p;
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}
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}
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function getParentItem(pmenu, menu){
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var item = undefined;
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$(pmenu).find('.menu-item').each(function(){
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if ($(this.submenu)[0] == $(menu)[0]){
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item = $(this);
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return false;
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}
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});
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return item;
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}
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$.extend($.fn.menubutton.methods, {
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enableNav: function(enabled){
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var curr;
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$(document).unbind('.menubutton');
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if (enabled == undefined){enabled = true;}
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if (enabled){
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$(document).bind('keydown.menubutton', function(e){
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var currButton = $(this).find('.m-btn-active,.m-btn-plain-active,.l-btn:focus');
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if (!currButton.length){
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return;
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}
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if (!curr || curr.button != currButton[0]){
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curr = {
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menu: currButton.data('menubutton') ? $(currButton.menubutton('options').menu) : $(),
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button: currButton[0]
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};
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}
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var item = curr.menu.find('.menu-active');
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switch(e.keyCode){
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case 13: // enter
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item.trigger('click');
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break;
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case 27: // esc
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currButton.trigger('mouseleave');
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break;
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case 38: // up
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var prev = !item.length ? curr.menu.find('.menu-item:last') : item.prevAll('.menu-item:first');
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prev.trigger('mouseenter');
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return false;
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case 40: // down
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var next = !item.length ? curr.menu.find('.menu-item:first') : item.nextAll('.menu-item:first');
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next.trigger('mouseenter');
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return false;
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case 37: // left
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var pmenu = getParentMenu(currButton.data('menubutton') ? $(currButton.menubutton('options').menu) : $(), curr.menu);
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if (pmenu){
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item.trigger('mouseleave');
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var pitem = getParentItem(pmenu, curr.menu);
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if (pitem){
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pitem.trigger('mouseenter');
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}
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curr.menu = pmenu;
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} else {
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var prev = currButton.prevAll('.l-btn:first');
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if (prev.length){
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currButton.trigger('mouseleave');
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prev.focus();
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}
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}
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return false;
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case 39: // right
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if (item.length && item[0].submenu){
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curr.menu = $(item[0].submenu);
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curr.button = currButton[0];
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curr.menu.find('.menu-item:first').trigger('mouseenter');
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} else {
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var next = currButton.nextAll('.l-btn:first');
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if (next.length){
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currButton.trigger('mouseleave');
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next.focus();
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}
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}
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return false;
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}
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});
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}
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}
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});
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})(jQuery);
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$(function(){
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$.fn.menubutton.methods.enableNav();
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$(document).keydown(function(e){
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if (e.altKey && e.keyCode == 87){
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$('#btn-home').focus();
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}
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})
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});
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</script>
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</body>
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</html>
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