mathjax/es5/ui/menu.js

Beautiful and accessible math in all browsers. MathJax is an open-source JavaScript display engine for LaTeX, MathML, and AsciiMath notation that works in all browsers. This package includes the packaged components (install mathjax-full to get the source

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r,o=this&&this.__extends||(r=function(e,t){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])},r(e,t)},function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)});Object.defineProperty(t,"__esModule",{value:!0}),t.AbstractEntry=void 0;var i=n(9943),s=n(1698),a=function(e){function t(t,n){var r=e.call(this)||this;return r._menu=t,r._type=n,r.className=s.HtmlClasses.MENUITEM,r.role="menuitem",r.hidden=!1,r}return o(t,e),Object.defineProperty(t.prototype,"menu",{get:function(){return this._menu},set:function(e){this._menu=e},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"type",{get:function(){return 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t=this.callbacks.indexOf(e);-1!==t&&this.callbacks.splice(t,1)},t.prototype.mousedown=function(e){this.press(),this.stop(e)},t.prototype.mouseover=function(e){this.focus(),this.stop(e)},t.prototype.mouseout=function(e){this.deactivate(),this.stop(e)},t.prototype.generateHtml=function(){e.prototype.generateHtml.call(this);var t=this.html;t.setAttribute("aria-disabled","false"),t.textContent=this.content},t.prototype.activate=function(){this.disabled||this.html.classList.add(c.HtmlClasses.MENUACTIVE)},t.prototype.deactivate=function(){this.html.classList.remove(c.HtmlClasses.MENUACTIVE)},t.prototype.focus=function(){this.menu.focused=this,e.prototype.focus.call(this),this.activate()},t.prototype.unfocus=function(){this.deactivate(),e.prototype.unfocus.call(this)},t.prototype.escape=function(e){a.MenuUtil.close(this)},t.prototype.up=function(e){this.menu.up(e)},t.prototype.down=function(e){this.menu.down(e)},t.prototype.left=function(e){this.menu.left(e)},t.prototype.right=function(e){this.menu.right(e)},t.prototype.space=function(e){this.press()},t.prototype.disable=function(){this.disabled=!0;var e=this.html;e.classList.add(c.HtmlClasses.MENUDISABLED),e.setAttribute("aria-disabled","true")},t.prototype.enable=function(){this.disabled=!1;var e=this.html;e.classList.remove(c.HtmlClasses.MENUDISABLED),e.removeAttribute("aria-disabled")},t.prototype.executeCallbacks_=function(){var e,t;try{for(var n=i(this.callbacks),r=n.next();!r.done;r=n.next()){var o=r.value;try{o(this)}catch(e){a.MenuUtil.error(e,"Callback for menu entry "+this.id+" failed.")}}}catch(t){e={error:t}}finally{try{r&&!r.done&&(t=n.return)&&t.call(n)}finally{if(e)throw e.error}}},t}(s.AbstractEntry);t.AbstractItem=l},1585:function(e,t,n){var r,o=this&&this.__extends||(r=function(e,t){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])},r(e,t)},function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}),i=this&&this.__values||function(e){var t="function"==typeof Symbol&&Symbol.iterator,n=t&&e[t],r=0;if(n)return n.call(e);if(e&&"number"==typeof e.length)return{next:function(){return e&&r>=e.length&&(e=void 0),{value:e&&e[r++],done:!e}}};throw new TypeError(t?"Object is not iterable.":"Symbol.iterator is not defined.")};Object.defineProperty(t,"__esModule",{value:!0}),t.AbstractMenu=void 0;var s=n(3757),a=n(1341),c=n(1698),l=n(2745),u=function(e){function t(){var t=null!==e&&e.apply(this,arguments)||this;return t.className=c.HtmlClasses.CONTEXTMENU,t.role="menu",t._items=[],t._baseMenu=null,t}return o(t,e),Object.defineProperty(t.prototype,"baseMenu",{get:function(){return this._baseMenu},set:function(e){this._baseMenu=e},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"items",{get:function(){return this._items},set:function(e){this._items=e},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"pool",{get:function(){return this.variablePool},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"focused",{get:function(){return this._focused},set:function(e){if(this._focused!==e){this._focused||this.unfocus();var t=this._focused;this._focused=e,t&&t.unfocus()}},enumerable:!1,configurable:!0}),t.prototype.up=function(e){var t=this.items.filter((function(e){return e instanceof a.AbstractItem&&!e.isHidden()}));if(0!==t.length)if(this.focused){var n=t.indexOf(this.focused);-1!==n&&t[n=n?--n:t.length-1].focus()}else t[t.length-1].focus()},t.prototype.down=function(e){var t=this.items.filter((function(e){return e instanceof a.AbstractItem&&!e.isHidden()}));if(0!==t.length)if(this.focused){var n=t.indexOf(this.focused);-1!==n&&t[n=++n===t.length?0:n].focus()}else t[0].focus()},t.prototype.generateHtml=function(){e.prototype.generateHtml.call(this),this.generateMenu()},t.prototype.generateMenu=function(){var e,t,n=this.html;n.classList.add(c.HtmlClasses.MENU);try{for(var r=i(this.items),o=r.next();!o.done;o=r.next()){var s=o.value;if(s.isHidden()){var a=s.html;a.parentNode&&a.parentNode.removeChild(a)}else n.appendChild(s.html)}}catch(t){e={error:t}}finally{try{o&&!o.done&&(t=r.return)&&t.call(r)}finally{if(e)throw e.error}}},t.prototype.post=function(t,n){this.variablePool.update(),e.prototype.post.call(this,t,n)},t.prototype.unpostSubmenus=function(){var e,t,n=this.items.filter((function(e){return e instanceof l.Submenu}));try{for(var r=i(n),o=r.next();!o.done;o=r.next()){var s=o.value;s.submenu.unpost(),s!==this.focused&&s.unfocus()}}catch(t){e={error:t}}finally{try{o&&!o.done&&(t=r.return)&&t.call(r)}finally{if(e)throw e.error}}},t.prototype.unpost=function(){e.prototype.unpost.call(this),this.unpostSubmenus(),this.focused=null},t.prototype.find=function(e){var t,n;try{for(var r=i(this.items),o=r.next();!o.done;o=r.next()){var s=o.value;if("rule"!==s.type){if(s.id===e)return s;if("submenu"===s.type){var a=s.submenu.find(e);if(a)return a}}}}catch(e){t={error:e}}finally{try{o&&!o.done&&(n=r.return)&&n.call(r)}finally{if(t)throw t.error}}return null},t}(s.AbstractPostable);t.AbstractMenu=u},2817:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.AbstractNavigatable=void 0;var r=n(2635),o=n(9674),i=function(){function e(){this.bubble=!1}return e.prototype.bubbleKey=function(){this.bubble=!0},e.prototype.keydown=function(e){switch(e.keyCode){case r.KEY.ESCAPE:this.escape(e);break;case r.KEY.RIGHT:this.right(e);break;case r.KEY.LEFT:this.left(e);break;case r.KEY.UP:this.up(e);break;case r.KEY.DOWN:this.down(e);break;case r.KEY.RETURN:case r.KEY.SPACE:this.space(e);break;default:return}this.bubble?this.bubble=!1:this.stop(e)},e.prototype.escape=function(e){},e.prototype.space=function(e){},e.prototype.left=function(e){},e.prototype.right=function(e){},e.prototype.up=function(e){},e.prototype.down=function(e){},e.prototype.stop=function(e){e&&(e.stopPropagation(),e.preventDefault(),e.cancelBubble=!0)},e.prototype.mousedown=function(e){return this.stop(e)},e.prototype.mouseup=function(e){return this.stop(e)},e.prototype.mouseover=function(e){return this.stop(e)},e.prototype.mouseout=function(e){return this.stop(e)},e.prototype.click=function(e){return this.stop(e)},e.prototype.addEvents=function(e){e.addEventListener(o.MOUSE.DOWN,this.mousedown.bind(this)),e.addEventListener(o.MOUSE.UP,this.mouseup.bind(this)),e.addEventListener(o.MOUSE.OVER,this.mouseover.bind(this)),e.addEventListener(o.MOUSE.OUT,this.mouseout.bind(this)),e.addEventListener(o.MOUSE.CLICK,this.click.bind(this)),e.addEventListener("keydown",this.keydown.bind(this)),e.addEventListener("dragstart",this.stop.bind(this)),e.addEventListener(o.MOUSE.SELECTSTART,this.stop.bind(this)),e.addEventListener("contextmenu",this.stop.bind(this)),e.addEventListener(o.MOUSE.DBLCLICK,this.stop.bind(this))},e}();t.AbstractNavigatable=i},3757:function(e,t,n){var r,o=this&&this.__extends||(r=function(e,t){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])},r(e,t)},function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)});Object.defineProperty(t,"__esModule",{value:!0}),t.AbstractPostable=void 0;var i=function(e){function t(){var t=null!==e&&e.apply(this,arguments)||this;return t.posted=!1,t}return o(t,e),t.prototype.isPosted=function(){return this.posted},t.prototype.post=function(e,t){this.posted||(void 0!==e&&void 0!==t&&this.html.setAttribute("style","left: "+e+"px; top: "+t+"px;"),this.display(),this.posted=!0)},t.prototype.unpost=function(){if(this.posted){var e=this.html;e.parentNode&&e.parentNode.removeChild(e),this.posted=!1}},t}(n(9943).MenuElement);t.AbstractPostable=i},2467:function(e,t,n){var r,o=this&&this.__extends||(r=function(e,t){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])},r(e,t)},function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)});Object.defineProperty(t,"__esModule",{value:!0}),t.AbstractVariableItem=void 0;var i=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return o(t,e),t.prototype.generateHtml=function(){e.prototype.generateHtml.call(this);var t=this.html;this.span||this.generateSpan(),t.appendChild(this.span),this.update()},t.prototype.register=function(){this.variable.register(this)},t.prototype.unregister=function(){this.variable.unregister(this)},t.prototype.update=function(){this.updateAria(),this.span&&this.updateSpan()},t}(n(1341).AbstractItem);t.AbstractVariableItem=i},725:function(e,t,n){var r,o=this&&this.__extends||(r=function(e,t){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])},r(e,t)},function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)});Object.defineProperty(t,"__esModule",{value:!0}),t.CloseButton=void 0;var i=n(3757),s=n(1698),a=function(e){function t(t){var n=e.call(this)||this;return n.element=t,n.className=s.HtmlClasses.MENUCLOSE,n.role="button",n}return o(t,e),t.prototype.generateHtml=function(){var e=document.createElement("span");e.classList.add(this.className),e.setAttribute("role",this.role),e.setAttribute("tabindex","0");var t=document.createElement("span");t.textContent="\xd7",e.appendChild(t),this.html=e},t.prototype.display=function(){},t.prototype.unpost=function(){e.prototype.unpost.call(this),this.element.unpost()},t.prototype.keydown=function(t){this.bubbleKey(),e.prototype.keydown.call(this,t)},t.prototype.space=function(e){this.unpost(),this.stop(e)},t.prototype.mousedown=function(e){this.unpost(),this.stop(e)},t}(i.AbstractPostable);t.CloseButton=a},9964:function(e,t,n){var r,o=this&&this.__extends||(r=function(e,t){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnPropert