10 lines
13 KiB
JavaScript
10 lines
13 KiB
JavaScript
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/*
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Copyright (c) 2009, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.net/yui/license.txt
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version: 3.0.0
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build: 1549
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*/
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YUI.add("node-menunav",function(D){var m=D.UA,t=D.later,AL=D.ClassNameManager.getClassName,R="menu",G="menuitem",AH="hidden",S="parentNode",V="children",z="offsetHeight",AC="offsetWidth",AN="px",g="id",I=".",E="handledMouseOut",r="handledMouseOver",a="active",AJ="label",d="a",w="mousedown",AO="keydown",AB="click",Q="",U="first-of-type",AP="role",N="presentation",AD="descendants",j="UI",u="activeDescendant",J="useARIA",x="aria-hidden",y="content",c="host",h=u+"Change",AM=">.yui-menu-content>ul>li>a",O=">.yui-menu-content>ul>li>.yui-menu-label>a:first-child",v="autoSubmenuDisplay",T="mouseOutHideDelay",l=AL(R),AF=AL(R,AH),Z=AL(R,"horizontal"),AI=AL(R,AJ),k=AL(R,AJ,a),X=AL(R,AJ,(R+"visible")),K=AL(G),A=AL(G,a),i=I+l,AG=(I+AL(R,"toggle"));var L=function(Y){var AR=Y.previous(),AQ;if(!AR){AQ=Y.get(S).get(V);AR=AQ.item(AQ.size()-1);}return AR;};var b=function(Y){var AQ=Y.next();if(!AQ){AQ=Y.get(S).get(V).item(0);}return AQ;};var F=function(Y){var AQ=false;if(Y){AQ=Y.get("nodeName").toLowerCase()===d;}return AQ;};var P=function(Y){return Y.hasClass(K);};var s=function(Y){return Y.hasClass(AI);};var q=function(Y){return Y.hasClass(Z);};var n=function(Y){return Y.hasClass(X);};var p=function(Y){return F(Y)?Y:Y.one(d);};var AA=function(AR,AQ,Y){var AS;if(AR){if(AR.hasClass(AQ)){AS=AR;}if(!AS&&Y){AS=AR.ancestor((I+AQ));}}return AS;};var M=function(Y){return Y.ancestor(i);};var W=function(AQ,Y){return AA(AQ,l,Y);};var AE=function(AQ,Y){var AR;if(AQ){AR=AA(AQ,K,Y);}return AR;};var o=function(AQ,Y){var AR;if(AQ){if(Y){AR=AA(AQ,AI,Y);}else{AR=AA(AQ,AI)||AQ.one((I+AI));}}return AR;};var B=function(AQ,Y){var AR;if(AQ){AR=AE(AQ,Y)||o(AQ,Y);}return AR;};var C=function(Y){return B(Y.one("li"));};var f=function(Y){return P(Y)?A:k;};var e=function(Y,AQ){return Y&&!Y[r]&&(Y.compareTo(AQ)||Y.contains(AQ));};var H=function(AQ,Y){return AQ&&!AQ[E]&&(!AQ.compareTo(Y)&&!AQ.contains(Y));};var AK=function(){AK.superclass.constructor.apply(this,arguments);};AK.NAME="nodeMenuNav";AK.NS="menuNav";AK.SHIM_TEMPLATE_TITLE="Menu Stacking Shim";AK.SHIM_TEMPLATE='<iframe frameborder="0" tabindex="-1" class="'+AL("shim")+'" title="'+AK.SHIM_TEMPLATE_TITLE+'" src="javascript:false;"></iframe>';AK.ATTRS={useARIA:{value:true,writeOnce:true,lazyAdd:false,setter:function(AT){var AQ=this.get(c),AU,Y,AS,AR;if(AT){AQ.set(AP,R);AQ.all("ul,li,."+AL(R,y)).set(AP,N);AQ.all((I+AL(G,y))).set(AP,G);AQ.all((I+AI)).each(function(AV){AU=AV;Y=AV.one(AG);if(Y){Y.set(AP,N);AU=Y.previous();}AU.set(AP,G);AU.set("aria-haspopup",true);AS=AV.next();if(AS){AS.set(AP,R);AU=AS.previous();Y=AU.one(AG);if(Y){AU=Y;}AR=D.stamp(AU);if(!AU.get(g)){AU.set(g,AR);}AS.set("aria-labelledby",AR);AS.set(x,true);}});}}},autoSubmenuDisplay:{value:true,writeOnce:true},submenuShowDelay:{value:250,writeOnce:true},submenuHideDelay:{value:250,writeOnce:true},mouseOutHideDelay:{value:750,writeOnce:true}};D.extend(AK,D.Plugin.Base,{_rootMenu:null,_activeItem:null,_activeMenu:null,_hasFocus:false,_blockMouseEvent:false,_currentMouseX:0,_movingToSubmenu:false,_showSubmenuTimer:null,_hideSubmenuTimer:null,_hideAllSubmenusTimer:null,_firstItem:null,initializer:function(AR){var AS=this,AT=this.get(c),AQ=[],Y;if(AT){AS._rootMenu=AT;AT.all("ul:first-child").addClass(U);AT.all(i).addClass(AF);AQ.push(AT.on("mouseover",AS._onMouseOver,AS));AQ.push(AT.on("mouseout",AS._onMouseOut,AS));AQ.push(AT.on("mousemove",AS._onMouseMove,AS));AQ.push(AT.on(w,AS._toggleSubmenuDisplay,AS));AQ.push(D.on("key",AS._toggleSubmenuDisplay,AT,"down:13",AS));AQ.push(AT.on(AB,AS._toggleSubmenuDisplay,AS));AQ.push(AT.on("keypress",AS._onKeyPress,AS));AQ.push(AT.on(AO,AS._onKeyDown,AS));Y=AT.get("ownerDocument");AQ.push(Y.on(w,AS._onDocMouseDown,AS));AQ.push(Y.on("focus",AS._onDocFocus,AS));this._eventHandlers=AQ;AS._initFocusManager();}},destructor:function(){var Y=this._eventHandlers;if(Y){D.Array.each(Y,function(AQ){AQ.detach();});this._eventHandlers=null;}this.get(c).unplug("focusManager");},_isRoot:function(Y){return this._rootMenu.compareTo(Y);},_getTopmostSubmenu:function(AS){var AR=this,Y=M(AS),AQ;if(!Y){AQ=AS;}else{if(AR._isRoot(Y)){AQ
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Y.after(h,this._afterActiveDescendantChange,Y,this);AS._focusManager=Y;}else{Y.set(u,-1);Y.set(AD,AV);Y.set("keys",AR);}},_onActiveDescendantChange:function(AQ,Y){if(AQ.src===j&&Y._activeMenu&&!Y._movingToSubmenu){Y._hideAllSubmenus(Y._activeMenu);}},_afterActiveDescendantChange:function(AQ,Y){var AR;if(AQ.src===j){AR=B(this.get(AD).item(AQ.newVal),true);Y._setActiveItem(AR);}},_onDocFocus:function(AT){var AS=this,Y=AS._activeItem,AR=AT.target,AQ;if(AS._rootMenu.contains(AR)){if(AS._hasFocus){AQ=M(AR);if(!AS._activeMenu.compareTo(AQ)){AS._activeMenu=AQ;AS._initFocusManager();AS._focusManager.set(u,AR);AS._setActiveItem(B(AR,true));}}else{AS._hasFocus=true;Y=B(AR,true);if(Y){AS._setActiveItem(Y);}}}else{AS._clearActiveItem();AS._cancelShowSubmenuTimer();AS._hideAllSubmenus(AS._rootMenu);AS._activeMenu=AS._rootMenu;AS._initFocusManager();AS._focusManager.set(u,0);AS._hasFocus=false;}},_onMenuMouseOver:function(AS,AR){var AQ=this,Y=AQ._hideAllSubmenusTimer;if(Y){Y.cancel();AQ._hideAllSubmenusTimer=null;}AQ._cancelHideSubmenuTimer();if(AS&&!AS.compareTo(AQ._activeMenu)){AQ._activeMenu=AS;if(AQ._hasFocus){AQ._initFocusManager();}}if(AQ._movingToSubmenu&&q(AS)){AQ._movingToSubmenu=false;}},_hideAndFocusLabel:function(){var AR=this,AQ=AR._activeMenu,Y;AR._hideAllSubmenus(AR._rootMenu);if(AQ){Y=AR._getTopmostSubmenu(AQ);AR._focusItem(Y.previous());}},_onMenuMouseOut:function(AW,AU){var AT=this,AR=AT._activeMenu,AV=AU.relatedTarget,Y=AT._activeItem,AS,AQ;if(AR&&!AR.contains(AV)){AS=M(AR);if(AS&&!AS.contains(AV)){if(AT.get(T)>0){AT._cancelShowSubmenuTimer();AT._hideAllSubmenusTimer=t(AT.get(T),AT,AT._hideAndFocusLabel);}}else{if(Y){AQ=M(Y);if(!AT._isRoot(AQ)){AT._focusItem(AQ.previous());}}}}},_onMenuLabelMouseOver:function(AT,AV){var AU=this,AS=AU._activeMenu,Y=AU._isRoot(AS),AR=(AU.get(v)&&Y||!Y),AQ;AU._focusItem(AT);AU._setActiveItem(AT);if(AR&&!AU._movingToSubmenu){AU._cancelHideSubmenuTimer();AU._cancelShowSubmenuTimer();if(!n(AT)){AQ=AT.next();if(AQ){AU._hideAllSubmenus(AS);AU._showSubmenuTimer=t(AU.get("submenuShowDelay"),AU,AU._showMenu,AQ);}}}},_onMenuLabelMouseOut:function(AS,AU){var AT=this,Y=AT._isRoot(AT._activeMenu),AR=(AT.get(v)&&Y||!Y),AV=AU.relatedTarget,AQ=AS.next();AT._clearActiveItem();if(AR){if(AT._movingToSubmenu&&!AT._showSubmenuTimer&&AQ){AT._hideSubmenuTimer=t(AT.get("submenuHideDelay"),AT,AT._hideMenu,AQ);}else{if(!AT._movingToSubmenu&&AQ&&!AQ.contains(AV)&&!AV.compareTo(AQ)){AT._cancelShowSubmenuTimer();AT._hideMenu(AQ);}}}},_onMenuItemMouseOver:function(AS,AU){var AT=this,AR=AT._activeMenu,Y=AT._isRoot(AR),AQ=(AT.get(v)&&Y||!Y);AT._focusItem(AS);AT._setActiveItem(AS);if(AQ&&!AT._movingToSubmenu){AT._hideAllSubmenus(AR);}},_onMenuItemMouseOut:function(Y,AQ){this._clearActiveItem();},_onVerticalMenuKeyDown:function(Y){var AQ=this,AU=AQ._activeMenu,AZ=AQ._rootMenu,AR=Y.target,AT=false,AY=Y.keyCode,AW,AS,AV,AX;switch(AY){case 37:AS=M(AU);if(AS&&q(AS)){AQ._hideMenu(AU);AV=L(AU.get(S));AX=B(AV);if(AX){if(s(AX)){AW=AX.next();if(AW){AQ._showMenu(AW);AQ._focusItem(C(AW));AQ._setActiveItem(C(AW));}else{AQ._focusItem(AX);AQ._setActiveItem(AX);}}else{AQ._focusItem(AX);AQ._setActiveItem(AX);}}}else{if(!AQ._isRoot(AU)){AQ._hideMenu(AU,true);}}AT=true;break;case 39:if(s(AR)){AW=AR.next();if(AW){AQ._showMenu(AW);AQ._focusItem(C(AW));AQ._setActiveItem(C(AW));}}else{if(q(AZ)){AW=AQ._getTopmostSubmenu(AU);AV=b(AW.get(S));AX=B(AV);AQ._hideAllSubmenus(AZ);if(AX){if(s(AX)){AW=AX.next();if(AW){AQ._showMenu(AW);AQ._focusItem(C(AW));AQ._setActiveItem(C(AW));}else{AQ._focusItem(AX);AQ._setActiveItem(AX);}}else{AQ._focusItem(AX);AQ._setActiveItem(AX);}}}}AT=true;break;}if(AT){Y.preventDefault();}},_onHorizontalMenuKeyDown:function(AV){var AU=this,AS=AU._activeMenu,AQ=AV.target,Y=B(AQ,true),AT=false,AW=AV.keyCode,AR;if(AW===40){AU._hideAllSubmenus(AS);if(s(Y)){AR=Y.next();if(AR){AU._showMenu(AR);AU._focusItem(C(AR));AU._setActiveItem(C(AR));}AT=true;}}if(AT){AV.preventDefault();}},_onMouseMove:function(AQ){var Y=this;t(10,Y,function(){Y._currentMouseX=AQ.pageX;});},_onMouseOver:function(AT){var AS=this,AQ,Y,AV,AR,AU;if(AS._blockM
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}}}}}},_onKeyPress:function(Y){switch(Y.keyCode){case 37:case 38:case 39:case 40:Y.preventDefault();break;}},_onKeyDown:function(AU){var AT=this,Y=AT._activeItem,AQ=AU.target,AS=M(AQ),AR;if(AS){AT._activeMenu=AS;if(q(AS)){AT._onHorizontalMenuKeyDown(AU);}else{AT._onVerticalMenuKeyDown(AU);}if(AU.keyCode===27){if(!AT._isRoot(AS)){if(m.opera){t(0,AT,function(){AT._hideMenu(AS,true);});}else{AT._hideMenu(AS,true);}AU.stopPropagation();AT._blockMouseEvent=m.gecko?true:false;}else{if(Y){if(s(Y)&&n(Y)){AR=Y.next();if(AR){AT._hideMenu(AR);}}else{AT._focusManager.blur();AT._clearActiveItem();AT._hasFocus=false;}}}}}},_onDocMouseDown:function(AS){var AR=this,AQ=AR._rootMenu,Y=AS.target;if(!(AQ.compareTo(Y)||AQ.contains(Y))){AR._hideAllSubmenus(AQ);if(m.webkit){AR._hasFocus=false;AR._clearActiveItem();}}}});D.namespace("Plugin");D.Plugin.NodeMenuNav=AK;},"3.0.0",{requires:["node","classnamemanager","node-focusmanager"]});
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