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/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/extensions/MathMenu.js
*
* Implements a right-mouse (or CTRL-click) menu over mathematics
* elements that gives the user the ability to copy the source,
* change the math size, and zoom settings.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2010-2018 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function (HUB,HTML,AJAX,CALLBACK,OUTPUT) {
var VERSION = "2.7.5";
var SIGNAL = MathJax.Callback.Signal("menu"); // signal for menu events
MathJax.Extension.MathMenu = {
version: VERSION,
signal: SIGNAL
};
var _ = function (id) {
return MathJax.Localization._.apply(
MathJax.Localization,
[["MathMenu",id]].concat([].slice.call(arguments,1))
);
};
var isArray = MathJax.Object.isArray;
var isPC = HUB.Browser.isPC, isMSIE = HUB.Browser.isMSIE, isIE9 = ((document.documentMode||0) > 8);
var ROUND = (isPC ? null : "5px");
var CONFIG = HUB.CombineConfig("MathMenu",{
delay: 150, // the delay for submenus
showRenderer: true, // show the "Math Renderer" menu?
showMathPlayer: true, // show the "MathPlayer" menu?
showFontMenu: false, // show the "Font Preference" menu?
showContext: false, // show the "Context Menu" menu?
showDiscoverable: false, // show the "Discoverable" menu?
showLocale: true, // show the "Locale" menu?
showLocaleURL: false, // show the "Load from URL" menu?
semanticsAnnotations: {
"TeX": ["TeX", "LaTeX", "application/x-tex"],
"StarMath": ["StarMath 5.0"],
"Maple": ["Maple"],
"ContentMathML": ["MathML-Content", "application/mathml-content+xml"],
"OpenMath": ["OpenMath"]
},
windowSettings: { // for source window
status: "no", toolbar: "no", locationbar: "no", menubar: "no",
directories: "no", personalbar: "no", resizable: "yes", scrollbars: "yes",
width: 400, height: 300,
left: Math.round((screen.width - 400)/2),
top: Math.round((screen.height - 300)/3)
},
styles: {
"#MathJax_About": {
position:"fixed", left:"50%", width:"auto", "text-align":"center",
border:"3px outset", padding:"1em 2em", "background-color":"#DDDDDD", color:"black",
cursor: "default", "font-family":"message-box", "font-size":"120%",
"font-style":"normal", "text-indent":0, "text-transform":"none",
"line-height":"normal", "letter-spacing":"normal", "word-spacing":"normal",
"word-wrap":"normal", "white-space":"nowrap", "float":"none", "z-index":201,
"border-radius": "15px", // Opera 10.5 and IE9
"-webkit-border-radius": "15px", // Safari and Chrome
"-moz-border-radius": "15px", // Firefox
"-khtml-border-radius": "15px", // Konqueror
"box-shadow":"0px 10px 20px #808080", // Opera 10.5 and IE9
"-webkit-box-shadow":"0px 10px 20px #808080", // Safari 3 and Chrome
"-moz-box-shadow":"0px 10px 20px #808080", // Forefox 3.5
"-khtml-box-shadow":"0px 10px 20px #808080", // Konqueror
filter: "progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')" // IE
},
"#MathJax_About.MathJax_MousePost": {
outline:"none"
},
".MathJax_Menu": {
position:"absolute", "background-color":"white", color:"black",
width:"auto", padding:(isPC ? "2px" : "5px 0px"),
border:"1px solid #CCCCCC", margin:0, cursor:"default",
font: "menu", "text-align":"left", "text-indent":0, "text-transform":"none",
"line-height":"normal", "letter-spacing":"normal", "word-spacing":"normal",
"word-wrap":"normal", "white-space":"nowrap", "float":"none", "z-index":201,
"border-radius": ROUND, // Opera 10.5 and IE9
"-webkit-border-radius": ROUND, // Safari and Chrome
"-moz-border-radius": ROUND, // Firefox
"-khtml-border-radius": ROUND, // Konqueror
"box-shadow":"0px 10px 20px #808080", // Opera 10.5 and IE9
"-webkit-box-shadow":"0px 10px 20px #808080", // Safari 3 and Chrome
"-moz-box-shadow":"0px 10px 20px #808080", // Forefox 3.5
"-khtml-box-shadow":"0px 10px 20px #808080", // Konqueror
filter: "progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')" // IE
},
".MathJax_MenuItem": {
padding: (isPC ? "2px 2em" : "1px 2em"),
background:"transparent"
},
".MathJax_MenuArrow": {
position:"absolute", right:".5em", "padding-top":".25em", color:"#666666",
"font-family": (isMSIE ? "'Arial unicode MS'" : null), "font-size": ".75em"
},
".MathJax_MenuActive .MathJax_MenuArrow": {color:"white"},
".MathJax_MenuArrow.RTL": {left:".5em", right:"auto"},
".MathJax_MenuCheck": {
position:"absolute", left:".7em",
"font-family": (isMSIE ? "'Arial unicode MS'" : null)
},
".MathJax_MenuCheck.RTL": {right:".7em", left:"auto"},
".MathJax_MenuRadioCheck": {
position:"absolute", left: (isPC ? "1em" : ".7em")
},
".MathJax_MenuRadioCheck.RTL": {
right: (isPC ? "1em" : ".7em"), left:"auto"
},
".MathJax_MenuLabel": {
padding: (isPC ? "2px 2em 4px 1.33em" : "1px 2em 3px 1.33em"),
"font-style":"italic"
},
".MathJax_MenuRule": {
"border-top": (isPC ? "1px solid #CCCCCC" : "1px solid #DDDDDD"),
margin: (isPC ? "4px 1px 0px" : "4px 3px")
},
".MathJax_MenuDisabled": {
color:"GrayText"
},
".MathJax_MenuActive": {
"background-color": (isPC ? "Highlight" : "#606872"),
color: (isPC ? "HighlightText" : "white")
},
".MathJax_MenuDisabled:focus, .MathJax_MenuLabel:focus": {
"background-color": "#E8E8E8"
},
".MathJax_ContextMenu:focus": {
outline:"none"
},
".MathJax_ContextMenu .MathJax_MenuItem:focus": {
outline:"none"
},
"#MathJax_AboutClose": {
top:".2em", right:".2em"
},
".MathJax_Menu .MathJax_MenuClose": {
top:"-10px", left:"-10px"
},
".MathJax_MenuClose": {
position:"absolute",
cursor:"pointer",
display:"inline-block",
border:"2px solid #AAA",
"border-radius":"18px",
"-webkit-border-radius": "18px", // Safari and Chrome
"-moz-border-radius": "18px", // Firefox
"-khtml-border-radius": "18px", // Konqueror
"font-family":"'Courier New',Courier",
"font-size":"24px",
color:"#F0F0F0"
},
".MathJax_MenuClose span": {
display:"block", "background-color":"#AAA", border:"1.5px solid",
"border-radius":"18px",
"-webkit-border-radius": "18px", // Safari and Chrome
"-moz-border-radius": "18px", // Firefox
"-khtml-border-radius": "18px", // Konqueror
"line-height":0,
padding:"8px 0 6px" // may need to be browser-specific
},
".MathJax_MenuClose:hover": {
color:"white!important",
border:"2px solid #CCC!important"
},
".MathJax_MenuClose:hover span": {
"background-color":"#CCC!important"
},
".MathJax_MenuClose:hover:focus": {
outline:"none"
}
}
});
var FALSE, HOVER, KEY;
HUB.Register.StartupHook("MathEvents Ready",function () {
FALSE = MathJax.Extension.MathEvents.Event.False;
HOVER = MathJax.Extension.MathEvents.Hover;
KEY = MathJax.Extension.MathEvents.Event.KEY;
});
/*************************************************************/
/*
* Abstract class of all keyboard navigatable objects.
*/
var NAV = MathJax.Object.Subclass({
/*
* Moving in the list of items.
*/
Keydown: function(event, menu) {
switch (event.keyCode) {
case KEY.ESCAPE:
this.Remove(event, menu);
break;
case KEY.RIGHT:
this.Right(event, menu);
break;
case KEY.LEFT:
this.Left(event, menu);
break;
case KEY.UP:
this.Up(event, menu);
break;
case KEY.DOWN:
this.Down(event, menu);
break;
case KEY.RETURN:
case KEY.SPACE:
this.Space(event, menu);
break;
default:
return;
break;
}
return FALSE(event);
},
Escape: function(event, menu) { },
Right: function(event, menu) { },
Left: function(event, menu) { },
Up: function(event, menu) { },
Down: function(event, menu) { },
Space: function(event, menu) { }
}, {});
/*************************************************************/
/*
* The main menu class
*/
var MENU = MathJax.Menu = NAV.Subclass({
version: VERSION,
items: [],
posted: false,
title: null,
margin: 5,
Init: function (def) {this.items = [].slice.call(arguments,0)},
With: function (def) {if (def) {HUB.Insert(this,def)}; return this},
/*
* Display the menu
*/
Post: function (event,parent,forceLTR) {
if (!event) {event = window.event||{}}
var div = document.getElementById("MathJax_MenuFrame");
if (!div) {
div = MENU.Background(this);
delete ITEM.lastItem; delete ITEM.lastMenu;
delete MENU.skipUp;
SIGNAL.Post(["post",MENU.jax]);
MENU.isRTL = (MathJax.Localization.fontDirection() === "rtl");
}
var menu = HTML.Element("div",{
onmouseup: MENU.Mouseup, ondblclick: FALSE,
ondragstart: FALSE, onselectstart: FALSE, oncontextmenu: FALSE,
menuItem: this, className: "MathJax_Menu", onkeydown: MENU.Keydown,
role: "menu"
});
if (event.type === "contextmenu" || event.type === "mouseover")
menu.className += " MathJax_ContextMenu";
if (!forceLTR) {MathJax.Localization.setCSS(menu)}
for (var i = 0, m = this.items.length; i < m; i++) {this.items[i].Create(menu)}
if (MENU.isMobile) {
HTML.addElement(menu,"span",{
className: "MathJax_MenuClose", menu: parent,
ontouchstart: MENU.Close, ontouchend: FALSE, onmousedown: MENU.Close, onmouseup: FALSE
},[["span",{},"\u00D7"]]);
}
div.appendChild(menu);
this.posted = true;
if (menu.offsetWidth) menu.style.width = (menu.offsetWidth+2) + "px";
var x = event.pageX, y = event.pageY;
var bbox = document.body.getBoundingClientRect();
var styles = (window.getComputedStyle ? window.getComputedStyle(document.body) : {marginLeft: "0px"});
var bodyRight = bbox.right - Math.min(0,bbox.left) + parseFloat(styles.marginLeft);
if (!x && !y && "clientX" in event) {
x = event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
y = event.clientY + document.body.scrollTop + document.documentElement.scrollTop;
}
if (!parent) {
var node = MENU.CurrentNode() || event.target;
if ((event.type === "keydown" || (!x && !y)) && node) {
var offsetX = window.pageXOffset || document.documentElement.scrollLeft;
var offsetY = window.pageYOffset || document.documentElement.scrollTop;
var rect = node.getBoundingClientRect();
x = (rect.right + rect.left) / 2 + offsetX;
y = (rect.bottom + rect.top) / 2 + offsetY;
}
if (x + menu.offsetWidth > bodyRight - this.margin)
{x = bodyRight - menu.offsetWidth - this.margin}
if (MENU.isMobile) {x = Math.max(5,x-Math.floor(menu.offsetWidth/2)); y -= 20}
MENU.skipUp = event.isContextMenu;
} else {
var side = "left", mw = parent.offsetWidth;
x = (MENU.isMobile ? 30 : mw - 2); y = 0;
while (parent && parent !== div) {
x += parent.offsetLeft; y += parent.offsetTop;
parent = parent.parentNode;
}
if (!MENU.isMobile) {
if ((MENU.isRTL && x - mw - menu.offsetWidth > this.margin) ||
(!MENU.isRTL && x + menu.offsetWidth > bodyRight - this.margin))
{side = "right"; x = Math.max(this.margin,x - mw - menu.offsetWidth + 6)}
}
if (!isPC) {
// in case these ever get implemented
menu.style["borderRadiusTop"+side] = 0; // Opera 10.5
menu.style["WebkitBorderRadiusTop"+side] = 0; // Safari and Chrome
menu.style["MozBorderRadiusTop"+side] = 0; // Firefox
menu.style["KhtmlBorderRadiusTop"+side] = 0; // Konqueror
}
}
menu.style.left = x+"px"; menu.style.top = y+"px";
if (document.selection && document.selection.empty) {document.selection.empty()}
// Focusing while keeping the scroll position.
var oldX = window.pageXOffset || document.documentElement.scrollLeft;
var oldY = window.pageYOffset || document.documentElement.scrollTop;
MENU.Focus(menu);
if (event.type === "keydown") {
MENU.skipMouseoverFromKey = true;
setTimeout(function() {delete MENU.skipMouseoverFromKey;}, CONFIG.delay);
}
window.scrollTo(oldX, oldY);
return FALSE(event);
},
/*
* Remove the menu from the screen
*/
Remove: function (event,menu) {
SIGNAL.Post(["unpost",MENU.jax]);
var div = document.getElementById("MathJax_MenuFrame");
if (div) {
div.parentNode.removeChild(div);
if (this.msieFixedPositionBug) {detachEvent("onresize",MENU.Resize)}
}
if (MENU.jax.hover) {
delete MENU.jax.hover.nofade;
HOVER.UnHover(MENU.jax);
}
MENU.Unfocus(menu);
if (event.type === "mousedown") MENU.CurrentNode().blur();
return FALSE(event);
},
/*
* Find an item in a menu (or submenu) by name (Find) or ID (FindID).
* A list of names or IDs means descend into submenus.
*/
Find: function (name) {return this.FindN(1,name,[].slice.call(arguments,1))},
FindId: function (name) {return this.FindN(0,name,[].slice.call(arguments,1))},
FindN: function (n,name,names) {
for (var i = 0, m = this.items.length; i < m; i++) {
if (this.items[i].name[n] === name) {
if (names.length) {
if (!this.items[i].submenu) {return null}
return this.items[i].submenu.FindN(n,names[0],names.slice(1));
}
return this.items[i];
}
}
return null;
},
/*
* Find the index of a menu item (so we can insert before or after it)
*/
IndexOf: function (name) {return this.IndexOfN(1,name)},
IndexOfId: function (name) {return this.IndexOfN(0,name)},
IndexOfN: function (n,name) {
for (var i = 0, m = this.items.length; i < m; i++)
{if (this.items[i].name[n] === name) {return i}}
return null;
},
Right: function(event, menu) {
MENU.Right(event, menu);
},
Left: function(event, menu) {
MENU.Left(event, menu);
},
Up: function(event, menu) {
var node = menu.lastChild;
node.menuItem.Activate(event, node);
},
Down: function(event, menu) {
var node = menu.firstChild;
node.menuItem.Activate(event, node);
},
Space: function(event, menu) {
this.Remove(event, menu);
}
},{
config: CONFIG,
Remove: function (event) {return MENU.Event(event,this,"Remove")},
Mouseover: function (event) {return MENU.Event(event,this,"Mouseover")},
Mouseout: function (event) {return MENU.Event(event,this,"Mouseout")},
Mousedown: function (event) {return MENU.Event(event,this,"Mousedown")},
Mouseup: function (event) {return MENU.Event(event,this,"Mouseup")},
Keydown: function (event) {return MENU.Event(event,this,"Keydown")},
/*
* Events for mobile devices.
*/
Touchstart: function (event) {return MENU.Event(event,this,"Touchstart")},
Touchend: function (event) {return MENU.Event(event,this,"Touchend")},
Close: function (event) {
return MENU.Event(event,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"));
},
Event: function (event,menu,type,force) {
if (MENU.skipMouseover && type === "Mouseover" && !force) {return FALSE(event)}
if (MENU.skipMouseoverFromKey && type === "Mouseover") {
delete MENU.skipMouseoverFromKey;
return FALSE(event);
}
if (MENU.skipUp) {
if (type.match(/Mouseup|Touchend/)) {delete MENU.skipUp; return FALSE(event)}
if (type === "Touchstart" ||
(type === "Mousedown" && !MENU.skipMousedown)) {delete MENU.skipUp}
}
if (!event) {event = window.event}
var item = menu.menuItem;
if (item && item[type]) {return item[type](event,menu)}
return null;
},
/*
* Style for the background DIV
*/
BGSTYLE: {
position:"absolute", left:0, top:0, "z-index":200,
width:"100%", height:"100%", border:0, padding:0, margin:0
},
Background: function (menu) {
var div = HTML.addElement(document.body,"div",
{style:this.BGSTYLE, id:"MathJax_MenuFrame"},
[["div",{style: this.BGSTYLE, menuItem: menu, onmousedown: this.Remove}]]);
var bg = div.firstChild;
if (MENU.msieBackgroundBug) {
// MSIE doesn't allow transparent background to be hit boxes, so
// fake it using opacity with solid background color
bg.style.backgroundColor = "white"; bg.style.filter = "alpha(opacity=0)";
}
if (MENU.msieFixedPositionBug) {
// MSIE can't do fixed position, so use a full-sized background
// and an onresize handler to update it (stupid, but necessary)
div.width = div.height = 0; this.Resize();
attachEvent("onresize",this.Resize);
} else {
// otherwise, use a fixed position DIV to cover the viewport
bg.style.position = "fixed";
}
return div;
},
Resize: function () {setTimeout(MENU.SetWH,0)},
SetWH: function () {
var bg = document.getElementById("MathJax_MenuFrame");
if (bg) {
bg = bg.firstChild;
bg.style.width = bg.style.height = "1px"; // so scrollWidth/Height will be right below
bg.style.width = document.body.scrollWidth + "px";
bg.style.height = document.body.scrollHeight + "px";
}
},
/*************************************************************/
/*
* Keyboard navigation of menu.
*/
posted: false, // Is a menu open?
active: null, // The focused in HTML node in the menu.
GetNode: function(jax) {
var node = document.getElementById(jax.inputID + "-Frame");
return node.isMathJax ? node : node.firstChild;
},
CurrentNode: function() {
return MENU.GetNode(MENU.jax);
},
AllNodes: function() {
var jaxs = MathJax.Hub.getAllJax();
var nodes = [];
for (var i = 0, jax; jax = jaxs[i]; i++) {
nodes.push(MENU.GetNode(jax));
}
return nodes;
},
ActiveNode: function() {
return MENU.active;
},
FocusNode: function(node) {
MENU.active = node;
node.focus();
},
//
// Focus is a global affair, since we only ever want a single focused item.
//
Focus: function(menu) {
!MENU.posted ? MENU.Activate(menu) : MENU.ActiveNode().tabIndex = -1;
menu.tabIndex = 0;
MENU.FocusNode(menu);
},
Activate: function(event, menu) {
MENU.UnsetTabIndex();
MENU.posted = true;
},
Unfocus: function() {
MENU.ActiveNode().tabIndex = -1;
MENU.SetTabIndex();
MENU.FocusNode(MENU.CurrentNode());
MENU.posted = false;
},
MoveHorizontal: function(event, menu, move) {
if (!event.shiftKey) return;
var jaxs = MENU.AllNodes();
var len = jaxs.length;
if (len === 0) return;
var next = jaxs[MENU.Mod(move(MENU.IndexOf(jaxs, MENU.CurrentNode())), len)];
if (next === MENU.CurrentNode()) return;
MENU.menu.Remove(event, menu);
MENU.jax = MathJax.Hub.getJaxFor(next);
MENU.FocusNode(next);
MENU.menu.Post(null);
},
Right: function(event, menu) {
MENU.MoveHorizontal(event, menu, function(x) {return x + 1;});
},
Left: function(event, menu) {
MENU.MoveHorizontal(event, menu, function(x) {return x - 1;});
},
UnsetTabIndex: function () {
var jaxs = MENU.AllNodes();
for (var j = 0, jax; jax = jaxs[j]; j++) {
if (jax.tabIndex > 0) {
jax.oldTabIndex = jax.tabIndex;
}
jax.tabIndex = -1;
}
},
SetTabIndex: function () {
var jaxs = MENU.AllNodes();
for (var j = 0, jax; jax = jaxs[j]; j++) {
if (jax.oldTabIndex !== undefined) {
jax.tabIndex = jax.oldTabIndex
delete jax.oldTabIndex;
} else {
jax.tabIndex = HUB.getTabOrder(jax);
}
}
},
//TODO: Move to utility class.
// Computes a mod n.
Mod: function(a, n) {
return ((a % n) + n) % n;
},
IndexOf: (Array.prototype.indexOf ?
function (A, item, start) {return A.indexOf(item, start);} :
function (A, item, start) {
for (var i = (start || 0), j = A.length; i < j; i++) {
if (item === A[i]) return i;
}
return -1;
}),
saveCookie: function () {HTML.Cookie.Set("menu",this.cookie)},
getCookie: function () {this.cookie = HTML.Cookie.Get("menu")}
});
MathJax.Menu.NAV = NAV;
/*************************************************************/
/*
* Abstract class of menu items.
*/
var ITEM = MENU.ITEM = NAV.Subclass({
name: "", // The menu item's label as [id,label] pair.
node: null, // The HTML node of the item.
menu: null, // The parent menu containing that item. HTML node.
Attributes: function(def) {
return HUB.Insert(
{onmouseup: MENU.Mouseup,
ondragstart: FALSE, onselectstart: FALSE, onselectend: FALSE,
ontouchstart: MENU.Touchstart, ontouchend: MENU.Touchend,
className: "MathJax_MenuItem", role: this.role,
menuItem: this},
def);
},
Create: function (menu) {
if (!this.hidden) {
var def = this.Attributes();
var label = this.Label(def,menu);
HTML.addElement(menu, "div", def, label);
}
},
Name: function () {return _(this.name[0],this.name[1])},
Mouseover: function (event,menu) {
if (menu.parentNode === MENU.ActiveNode().parentNode) {
this.Deactivate(MENU.ActiveNode());
}
this.Activate(event, menu);
},
Mouseout: function (event,menu) {
this.Deactivate(menu);
},
Mouseup: function (event,menu) {return this.Remove(event,menu)},
DeactivateSubmenus: function(menu) {
var menus = document.getElementById("MathJax_MenuFrame").childNodes,
items = ITEM.GetMenuNode(menu).childNodes;
for (var i = 0, m = items.length; i < m; i++) {
var item = items[i].menuItem;
// Deactivates submenu items.
if (item && item.submenu && item.submenu.posted &&
item !== menu.menuItem) {
item.Deactivate(items[i]);
}
}
this.RemoveSubmenus(menu, menus);
},
RemoveSubmenus: function(menu, menus) {
menus = menus || document.getElementById("MathJax_MenuFrame").childNodes;
var m = menus.length-1;
while (m >= 0 && ITEM.GetMenuNode(menu).menuItem !== menus[m].menuItem) {
menus[m].menuItem.posted = false;
menus[m].parentNode.removeChild(menus[m]);
m--;
}
},
Touchstart: function (event,menu) {return this.TouchEvent(event,menu,"Mousedown")},
Touchend: function (event,menu) {return this.TouchEvent(event,menu,"Mouseup")},
TouchEvent: function (event,menu,type) {
if (this !== ITEM.lastItem) {
if (ITEM.lastMenu) {MENU.Event(event,ITEM.lastMenu,"Mouseout")}
MENU.Event(event,menu,"Mouseover",true);
ITEM.lastItem = this; ITEM.lastMenu = menu;
}
if (this.nativeTouch) {return null}
MENU.Event(event,menu,type);
return false;
},
Remove: function (event,menu) {
menu = menu.parentNode.menuItem;
return menu.Remove(event,menu);
},
With: function (def) {if (def) {HUB.Insert(this,def)}; return this},
isRTL: function () {return MENU.isRTL},
rtlClass: function () {return (this.isRTL() ? " RTL" : "")}
}, {
GetMenuNode: function(item) {
return item.parentNode;
}
});
/*************************************************************/
/*
* Abstract class of menu items that are focusable and perform some action
*/
MENU.ENTRY = MENU.ITEM.Subclass({
role: "menuitem", // Aria role.
Attributes: function(def) {
def = HUB.Insert(
{onmouseover: MENU.Mouseover, onmouseout: MENU.Mouseout,
onmousedown: MENU.Mousedown, onkeydown: MENU.Keydown,
"aria-disabled": !!this.disabled},
def);
def = this.SUPER(arguments).Attributes.call(this, def);
if (this.disabled) {
def.className += " MathJax_MenuDisabled";
}
return def;
},
MoveVertical: function(event, item, move) {
var menuNode = ITEM.GetMenuNode(item);
var items = [];
for (var i = 0, allItems = menuNode.menuItem.items, it;
it = allItems[i]; i++) {
if (!it.hidden) {
items.push(it);
}
}
var index = MENU.IndexOf(items, this);
if (index === -1) return;
var len = items.length;
var children = menuNode.childNodes;
do {
index = MENU.Mod(move(index), len);
} while (items[index].hidden || !children[index].role ||
children[index].role === "separator");
this.Deactivate(item);
items[index].Activate(event, children[index]);
},
Up: function(event, item) {
this.MoveVertical(event, item, function(x) { return x - 1; });
},
Down: function(event, item) {
this.MoveVertical(event, item, function(x) { return x + 1; });
},
Right: function(event, item) {
this.MoveHorizontal(event, item, MENU.Right, !this.isRTL());
},
Left: function(event, item) {
this.MoveHorizontal(event, item, MENU.Left, this.isRTL());
},
MoveHorizontal: function(event, item, move, rtl) {
var menuNode = ITEM.GetMenuNode(item);
if (menuNode.menuItem === MENU.menu && event.shiftKey) {
move(event, item);
}
if (rtl) return;
if (menuNode.menuItem !== MENU.menu) {
this.Deactivate(item);
}
var parentNodes = menuNode.previousSibling.childNodes;
var length = parentNodes.length;
while (length--) {
var parent = parentNodes[length];
if (parent.menuItem.submenu &&
parent.menuItem.submenu === menuNode.menuItem) {
MENU.Focus(parent);
break;
}
}
this.RemoveSubmenus(item);
},
Space: function (event, menu) {
this.Mouseup(event, menu);
},
Activate: function (event, menu) {
this.Deactivate(menu);
if (!this.disabled) {
menu.className += " MathJax_MenuActive";
}
this.DeactivateSubmenus(menu);
MENU.Focus(menu);
},
Deactivate: function (menu) {
menu.className = menu.className.replace(/ MathJax_MenuActive/,"");
}
});
/*************************************************************/
/*
* A menu item that performs a command when selected
*/
MENU.ITEM.COMMAND = MENU.ENTRY.Subclass({
action: function () {},
Init: function (name,action,def) {
if (!isArray(name)) {name = [name,name]} // make [id,label] pair
this.name = name; this.action = action;
this.With(def);
},
Label: function (def,menu) {return [this.Name()]},
Mouseup: function (event,menu) {
if (!this.disabled) {
this.Remove(event,menu);
SIGNAL.Post(["command",this]);
this.action.call(this,event);
}
return FALSE(event);
}
});
/*************************************************************/
/*
* A menu item that posts a submenu
*/
MENU.ITEM.SUBMENU = MENU.ENTRY.Subclass({
submenu: null, // the submenu
marker: "\u25BA", // the submenu arrow
markerRTL: "\u25C4", // the submenu arrow for RTL
Attributes: function(def) {
def = HUB.Insert({"aria-haspopup": "true"}, def);
def = this.SUPER(arguments).Attributes.call(this, def);
return def;
},
Init: function (name,def) {
if (!isArray(name)) {name = [name,name]} // make [id,label] pair
this.name = name; var i = 1;
if (!(def instanceof MENU.ITEM)) {this.With(def), i++}
this.submenu = MENU.apply(MENU,[].slice.call(arguments,i));
},
Label: function (def,menu) {
this.submenu.posted = false;
return [this.Name()+" ",["span",{
className:"MathJax_MenuArrow" + this.rtlClass()
},[this.isRTL() ? this.markerRTL : this.marker]]];
},
Timer: function (event,menu) {
this.ClearTimer();
event = {type: event.type,
clientX: event.clientX, clientY: event.clientY}; // MSIE can't pass the event below
this.timer = setTimeout(CALLBACK(["Mouseup",this,event,menu]),CONFIG.delay);
},
ClearTimer: function() {
if (this.timer) {
clearTimeout(this.timer);
}
},
Touchend: function (event,menu) {
var forceout = this.submenu.posted;
var result = this.SUPER(arguments).Touchend.apply(this,arguments);
if (forceout) {this.Deactivate(menu); delete ITEM.lastItem; delete ITEM.lastMenu}
return result;
},
Mouseout: function(event, menu) {
if (!this.submenu.posted) {
this.Deactivate(menu);
}
this.ClearTimer();
},
Mouseover: function(event, menu) {
this.Activate(event, menu);
},
Mouseup: function (event,menu) {
if (!this.disabled) {
if (!this.submenu.posted) {
this.ClearTimer();
this.submenu.Post(event, menu, this.ltr);
MENU.Focus(menu);
} else {
this.DeactivateSubmenus(menu);
}
}
return FALSE(event);
},
Activate: function (event, menu) {
if (!this.disabled) {
this.Deactivate(menu);
menu.className += " MathJax_MenuActive";
}
if (!this.submenu.posted) {
this.DeactivateSubmenus(menu);
if (!MENU.isMobile) {
this.Timer(event,menu);
}
}
MENU.Focus(menu);
},
MoveVertical: function(event, item, move) {
this.ClearTimer();
this.SUPER(arguments).MoveVertical.apply(this, arguments);
},
MoveHorizontal: function(event, menu, move, rtl) {
if (!rtl) {
this.SUPER(arguments).MoveHorizontal.apply(this, arguments);
return;
}
if (this.disabled) return;
if (!this.submenu.posted) {
this.Activate(event, menu);
return;
}
var submenuNodes = ITEM.GetMenuNode(menu).nextSibling.childNodes;
if (submenuNodes.length > 0) {
this.submenu.items[0].Activate(event, submenuNodes[0]);
}
}
});
/*************************************************************/
/*
* A menu item that is one of several radio buttons
*/
MENU.ITEM.RADIO = MENU.ENTRY.Subclass({
variable: null, // the variable name
marker: (isPC ? "\u25CF" : "\u2713"), // the checkmark
role: "menuitemradio",
Attributes: function(def) {
var checked = CONFIG.settings[this.variable] === this.value ? "true" : "false";
def = HUB.Insert({"aria-checked": checked}, def);
def = this.SUPER(arguments).Attributes.call(this, def);
return def;
},
Init: function (name,variable,def) {
if (!isArray(name)) {name = [name,name]} // make [id,label] pair
this.name = name; this.variable = variable; this.With(def);
if (this.value == null) {this.value = this.name[0]}
},
Label: function (def,menu) {
var span = {className:"MathJax_MenuRadioCheck" + this.rtlClass()};
if (CONFIG.settings[this.variable] !== this.value) {
span = {style:{display:"none"}};
}
return [["span",span,[this.marker]]," "+this.Name()];
},
Mouseup: function (event,menu) {
if (!this.disabled) {
var child = menu.parentNode.childNodes;
for (var i = 0, m = child.length; i < m; i++) {
var item = child[i].menuItem;
if (item && item.variable === this.variable) {
child[i].firstChild.style.display = "none";
}
}
menu.firstChild.display = "";
CONFIG.settings[this.variable] = this.value;
MENU.cookie[this.variable] = CONFIG.settings[this.variable]; MENU.saveCookie();
SIGNAL.Post(["radio button",this]);
}
this.Remove(event,menu);
if (this.action && !this.disabled) {this.action.call(MENU,this)}
return FALSE(event);
}
});
/*************************************************************/
/*
* A menu item that is checkable
*/
MENU.ITEM.CHECKBOX = MENU.ENTRY.Subclass({
variable: null, // the variable name
marker: "\u2713", // the checkmark
role: "menuitemcheckbox",
Attributes: function(def) {
var checked = CONFIG.settings[this.variable] ? "true" : "false";
def = HUB.Insert({"aria-checked": checked}, def);
def = this.SUPER(arguments).Attributes.call(this, def);
return def;
},
Init: function (name,variable,def) {
if (!isArray(name)) {name = [name,name]} // make [id,label] pair
this.name = name; this.variable = variable; this.With(def);
},
Label: function (def,menu) {
var span = {className:"MathJax_MenuCheck" + this.rtlClass()};
if (!CONFIG.settings[this.variable]) {span = {style:{display:"none"}}}
return [["span",span,[this.marker]]," "+this.Name()];
},
Mouseup: function (event,menu) {
if (!this.disabled) {
menu.firstChild.display = (CONFIG.settings[this.variable] ? "none" : "");
CONFIG.settings[this.variable] = !CONFIG.settings[this.variable];
MENU.cookie[this.variable] = CONFIG.settings[this.variable]; MENU.saveCookie();
SIGNAL.Post(["checkbox",this]);
}
this.Remove(event,menu);
if (this.action && !this.disabled) {this.action.call(MENU,this)}
return FALSE(event);
}
});
/*************************************************************/
/*
* A menu item that is a label
*/
MENU.ITEM.LABEL = MENU.ENTRY.Subclass({
role: "menuitem", // Aria role.
Init: function (name,def) {
if (!isArray(name)) {name = [name,name]} // make [id,label] pair
this.name = name; this.With(def);
},
Label: function (def,menu) {
def.className += " MathJax_MenuLabel";
return [this.Name()];
},
Activate: function(event, menu) {
this.Deactivate(menu);
MENU.Focus(menu);
},
Mouseup: function (event,menu) { }
});
/*************************************************************/
/*
* A rule in a menu
*/
MENU.ITEM.RULE = MENU.ITEM.Subclass({
role: "separator",
Attributes: function(def) {
def = HUB.Insert({"aria-orientation": "vertical"}, def);
def = this.SUPER(arguments).Attributes.call(this, def);
return def;
},
Label: function (def,menu) {
def.className += " MathJax_MenuRule";
return null;
}
});
/*************************************************************/
/*************************************************************/
/*
* Handle the ABOUT box
*/
MENU.About = function (event) {
var font = MENU.About.GetFont();
var format = MENU.About.GetFormat();
var jax = ["MathJax.js v"+MathJax.fileversion,["br"]];
jax.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);
MENU.About.GetJax(jax,MathJax.InputJax,["InputJax","%1 Input Jax v%2"]);
MENU.About.GetJax(jax,MathJax.OutputJax,["OutputJax","%1 Output Jax v%2"]);
MENU.About.GetJax(jax,MathJax.ElementJax,["ElementJax","%1 Element Jax v%2"]);
jax.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);
MENU.About.GetJax(jax,MathJax.Extension,["Extension","%1 Extension v%2"],true);
jax.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[
HUB.Browser + " v"+HUB.Browser.version + (format ?
" \u2014 " + _(format.replace(/ /g,""),format) : "")
]]);
MENU.About.div = MENU.Background(MENU.About);
var about = HTML.addElement(MENU.About.div,"div",{
id: "MathJax_About", tabIndex: 0, onkeydown: MENU.About.Keydown
},[
["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],
_(font.replace(/ /g,""),"using "+font),["br"],["br"],
["span",{style:{
display:"inline-block", "text-align":"left", "font-size":"80%",
"max-height":"20em", overflow:"auto",
"background-color":"#E4E4E4", padding:".4em .6em", border:"1px inset"
}, tabIndex: 0},jax],["br"],["br"],
["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]],
["span",{className:"MathJax_MenuClose",id:"MathJax_AboutClose",
onclick:MENU.About.Remove,
onkeydown: MENU.About.Keydown, tabIndex: 0, role: "button",
"aria-label": _("CloseAboutDialog","Close about MathJax dialog")},
[["span",{},"\u00D7"]]]
]);
if (event.type === "mouseup") about.className += " MathJax_MousePost";
about.focus();
MathJax.Localization.setCSS(about);
var doc = (document.documentElement||{});
var H = window.innerHeight || doc.clientHeight || doc.scrollHeight || 0;
if (MENU.prototype.msieAboutBug) {
about.style.width = "20em"; about.style.position = "absolute";
about.style.left = Math.floor((document.documentElement.scrollWidth - about.offsetWidth)/2)+"px";
about.style.top = (Math.floor((H-about.offsetHeight)/3)+document.body.scrollTop)+"px";
} else {
about.style.marginLeft = Math.floor(-about.offsetWidth/2)+"px";
about.style.top = Math.floor((H-about.offsetHeight)/3)+"px";
}
};
MENU.About.Remove = function (event) {
if (MENU.About.div) {document.body.removeChild(MENU.About.div); delete MENU.About.div}
};
MENU.About.Keydown = function(event) {
if (event.keyCode === KEY.ESCAPE ||
(this.id === "MathJax_AboutClose" &&
(event.keyCode === KEY.SPACE || event.keyCode === KEY.RETURN))) {
MENU.About.Remove(event);
MENU.CurrentNode().focus();
FALSE(event);
}
},
MENU.About.GetJax = function (jax,JAX,type,noTypeCheck) {
var info = [];
for (var id in JAX) {if (JAX.hasOwnProperty(id) && JAX[id]) {
if ((noTypeCheck && JAX[id].version) || (JAX[id].isa && JAX[id].isa(JAX)))
{info.push(_(type[0],type[1],(JAX[id].id||id),JAX[id].version))}
}}
info.sort();
for (var i = 0, m = info.length; i < m; i++) {jax.push(info[i],["br"])}
return jax;
};
MENU.About.GetFont = function () {
var jax = MathJax.Hub.outputJax["jax/mml"][0] || {};
var font = {
SVG: "web SVG",
CommonHTML: "web TeX",
"HTML-CSS": (jax.imgFonts ? "image" : (jax.webFonts ? "web" : "local")+" "+jax.fontInUse)
}[jax.id] || "generic";
return font + " fonts";
};
MENU.About.GetFormat = function () {
var jax = MathJax.Hub.outputJax["jax/mml"][0] || {};
if (jax.id !== "HTML-CSS"|| !jax.webFonts || jax.imgFonts) return;
return jax.allowWebFonts.replace(/otf/,"woff or otf") + " fonts";
};
/*
* Handle the MathJax HELP menu
*/
MENU.Help = function (event) {
AJAX.Require("[MathJax]/extensions/HelpDialog.js",
function () {MathJax.Extension.Help.Dialog({type:event.type})});
};
/*
* Handle showing of element's source
*/
MENU.ShowSource = function (event) {
if (!event) {event = window.event}
var EVENT = {screenX:event.screenX, screenY:event.screenY};
if (!MENU.jax) return;
if (this.format === "MathML") {
var MML = MathJax.ElementJax.mml;
if (MML && typeof(MML.mbase.prototype.toMathML) !== "undefined") {
// toMathML() can call MathJax.Hub.RestartAfter, so trap errors and check
try {MENU.ShowSource.Text(MENU.jax.root.toMathML("",MENU.jax),event)} catch (err) {
if (!err.restart) {throw err}
CALLBACK.After([this,MENU.ShowSource,EVENT],err.restart);
}
} else if (!AJAX.loadingToMathML) {
AJAX.loadingToMathML = true;
MENU.ShowSource.Window(event); // WeBKit needs to open window on click event
CALLBACK.Queue(
AJAX.Require("[MathJax]/extensions/toMathML.js"),
function () {
delete AJAX.loadingToMathML;
if (!MML.mbase.prototype.toMathML) {MML.mbase.prototype.toMathML = function () {}}
},
[this,MENU.ShowSource,EVENT] // call this function again
);
return;
}
} else if (this.format === "Error") {
MENU.ShowSource.Text(MENU.jax.errorText,event);
} else if (CONFIG.semanticsAnnotations[this.format]) {
var annotation = MENU.jax.root.getAnnotation(this.format);
if (annotation.data[0]) MENU.ShowSource.Text(annotation.data[0].toString());
} else {
if (MENU.jax.originalText == null) {
alert(_("NoOriginalForm","No original form available"));
return;
}
MENU.ShowSource.Text(MENU.jax.originalText,event);
}
};
MENU.ShowSource.Window = function (event) {
if (!MENU.ShowSource.w) {
var def = [], DEF = CONFIG.windowSettings;
for (var id in DEF) {if (DEF.hasOwnProperty(id)) {def.push(id+"="+DEF[id])}}
MENU.ShowSource.w = window.open("","_blank",def.join(","));
}
return MENU.ShowSource.w;
};
MENU.ShowSource.Text = function (text,event) {
var w = MENU.ShowSource.Window(event); delete MENU.ShowSource.w;
text = text.replace(/^\s*/,"").replace(/\s*$/,"");
text = text.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");
var title = _("EqSource","MathJax Equation Source");
if (MENU.isMobile) {
w.document.open();
w.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>"+title+"</title></head><body style='font-size:85%'>");
w.document.write("<pre>"+text+"</pre>");
w.document.write("<hr><input type='button' value='"+_("Close","Close")+"' onclick='window.close()' />");
w.document.write("</body></html>");
w.document.close();
} else {
w.document.open();
w.document.write("<html><head><title>"+title+"</title></head><body style='font-size:85%'>");
w.document.write("<table><tr><td><pre>"+text+"</pre></td></tr></table>");
w.document.write("</body></html>");
w.document.close();
var table = w.document.body.firstChild;
setTimeout(function () {
var H = (w.outerHeight-w.innerHeight)||30, W = (w.outerWidth-w.innerWidth)||30, x, y;
W = Math.max(140,Math.min(Math.floor(.5*screen.width),table.offsetWidth+W+25));
H = Math.max(40,Math.min(Math.floor(.5*screen.height),table.offsetHeight+H+25));
if (MENU.prototype.msieHeightBug) {H += 35}; // for title bar in XP
w.resizeTo(W,H);
var X; try {X = event.screenX} catch (e) {}; // IE8 throws an error accessing screenX
if (event && X != null) {
x = Math.max(0,Math.min(event.screenX-Math.floor(W/2), screen.width-W-20));
y = Math.max(0,Math.min(event.screenY-Math.floor(H/2), screen.height-H-20));
w.moveTo(x,y);
}
},50);
}
};
/*
* Handle rescaling all the math
*/
MENU.Scale = function () {
var JAX = ["CommonHTML","HTML-CSS","SVG","NativeMML","PreviewHTML"], m = JAX.length,
SCALE = 100, i, jax;
for (i = 0; i < m; i++) {
jax = OUTPUT[JAX[i]];
if (jax) {SCALE = jax.config.scale; break}
}
var scale = prompt(_("ScaleMath","Scale all mathematics (compared to surrounding text) by"),SCALE+"%");
if (scale) {
if (scale.match(/^\s*\d+(\.\d*)?\s*%?\s*$/)) {
scale = parseFloat(scale);
if (scale) {
if (scale !== SCALE) {
for (i = 0; i < m; i++) {
jax = OUTPUT[JAX[i]];
if (jax) jax.config.scale = scale;
}
MENU.cookie.scale = HUB.config.scale = scale;
MENU.saveCookie();
HUB.Queue(["Rerender",HUB]);
}
} else {alert(_("NonZeroScale","The scale should not be zero"))}
} else {alert(_("PercentScale",
"The scale should be a percentage (e.g., 120%%)"))}
}
};
/*
* Handle loading the zoom code
*/
MENU.Zoom = function () {
if (!MathJax.Extension.MathZoom) {AJAX.Require("[MathJax]/extensions/MathZoom.js")}
};
/*
* Handle changing the renderer
*/
MENU.Renderer = function () {
var jax = HUB.outputJax["jax/mml"];
if (jax[0] !== CONFIG.settings.renderer) {
var BROWSER = HUB.Browser, message, MESSAGE = MENU.Renderer.Messages, warned;
//
// Check that the new renderer is appropriate for the browser
//
switch (CONFIG.settings.renderer) {
case "NativeMML":
if (!CONFIG.settings.warnedMML) {
if (BROWSER.isChrome && BROWSER.version.substr(0,3) !== "24.") {message = MESSAGE.MML.WebKit}
else if (BROWSER.isSafari && !BROWSER.versionAtLeast("5.0")) {message = MESSAGE.MML.WebKit}
else if (BROWSER.isMSIE) {if (!BROWSER.hasMathPlayer) {message = MESSAGE.MML.MSIE}}
else if (BROWSER.isEdge) {message = MESSAGE.MML.WebKit}
else {message = MESSAGE.MML[BROWSER]}
warned = "warnedMML";
}
break;
case "SVG":
if (!CONFIG.settings.warnedSVG) {
if (BROWSER.isMSIE && !isIE9) {message = MESSAGE.SVG.MSIE}
}
break;
}
if (message) {
message = _(message[0],message[1]);
message += "\n\n";
message += _("SwitchAnyway",
"Switch the renderer anyway?\n\n" +
"(Press OK to switch, CANCEL to continue with the current renderer)");
MENU.cookie.renderer = jax[0].id; MENU.saveCookie();
if (!confirm(message)) {
MENU.cookie.renderer = CONFIG.settings.renderer = HTML.Cookie.Get("menu").renderer;
MENU.saveCookie();
return;
}
if (warned) {MENU.cookie.warned = CONFIG.settings.warned = true}
MENU.cookie.renderer = CONFIG.settings.renderer; MENU.saveCookie();
}
HUB.Queue(
["setRenderer",HUB,CONFIG.settings.renderer,"jax/mml"],
["Rerender",HUB]
);
}
};
MENU.Renderer.Messages = {
MML: {
WebKit: ["WebkitNativeMMLWarning",
"Your browser doesn't seem to support MathML natively, " +
"so switching to MathML output may cause the mathematics " +
"on the page to become unreadable."],
MSIE: ["MSIENativeMMLWarning",
"Internet Explorer requires the MathPlayer plugin " +
"in order to process MathML output."],
Opera: ["OperaNativeMMLWarning",
"Opera's support for MathML is limited, so switching to " +
"MathML output may cause some expressions to render poorly."],
Safari: ["SafariNativeMMLWarning",
"Your browser's native MathML does not implement all the features " +
"used by MathJax, so some expressions may not render properly."],
Firefox: ["FirefoxNativeMMLWarning",
"Your browser's native MathML does not implement all the features " +
"used by MathJax, so some expressions may not render properly."]
},
SVG: {
MSIE: ["MSIESVGWarning",
"SVG is not implemented in Internet Explorer prior to " +
"IE9 or when it is emulating IE8 or below. " +
"Switching to SVG output will cause the mathematics to " +
"not display properly."]
}
};
/*
* Toggle assistive MML settings
*/
MENU.AssistiveMML = function (item,restart) {
var AMML = MathJax.Extension.AssistiveMML;
if (!AMML) {
// Try to load the extension, but only try once.
if (!restart)
AJAX.Require("[MathJax]/extensions/AssistiveMML.js",["AssistiveMML",MENU,item,true]);
return;
}
MathJax.Hub.Queue([(CONFIG.settings.assistiveMML ? "Add" : "Remove")+"AssistiveMathML",AMML]);
};
/*
* Handle setting the HTMLCSS fonts
*/
MENU.Font = function () {
var HTMLCSS = OUTPUT["HTML-CSS"]; if (!HTMLCSS) return;
document.location.reload();
};
/*
* Handle selection of locale and rerender the page
*/
MENU.Locale = function () {
MathJax.Localization.setLocale(CONFIG.settings.locale);
MathJax.Hub.Queue(["Reprocess",MathJax.Hub]); // FIXME: Just reprocess error messages?
};
MENU.LoadLocale = function () {
var url = prompt(_("LoadURL","Load translation data from this URL:"));
if (url) {
if (!url.match(/\.js$/)) {
alert(_("BadURL",
"The URL should be for a javascript file that defines MathJax translation data. " +
"Javascript file names should end with '.js'"
));
}
AJAX.Require(url,function (status) {
if (status != AJAX.STATUS.OK) {alert(_("BadData","Failed to load translation data from %1",url))}
});
}
};
/*
* Handle setting MathPlayer events
*/
MENU.MPEvents = function (item) {
var discoverable = CONFIG.settings.discoverable,
MESSAGE = MENU.MPEvents.Messages;
if (!isIE9) {
if (CONFIG.settings.mpMouse && !confirm(_.apply(_,MESSAGE.IE8warning))) {
delete MENU.cookie.mpContext; delete CONFIG.settings.mpContext;
delete MENU.cookie.mpMouse; delete CONFIG.settings.mpMouse;
MENU.saveCookie();
return;
}
CONFIG.settings.mpContext = CONFIG.settings.mpMouse;
MENU.cookie.mpContext = MENU.cookie.mpMouse = CONFIG.settings.mpMouse;
MENU.saveCookie();
MathJax.Hub.Queue(["Rerender",MathJax.Hub])
} else if (!discoverable && item.name[1] === "Menu Events" && CONFIG.settings.mpContext) {
alert(_.apply(_,MESSAGE.IE9warning));
}
};
MENU.MPEvents.Messages = {
IE8warning: ["IE8warning",
"This will disable the MathJax menu and zoom features, " +
"but you can Alt-Click on an expression to obtain the MathJax " +
"menu instead.\n\nReally change the MathPlayer settings?"],
IE9warning: ["IE9warning",
"The MathJax contextual menu will be disabled, but you can " +
"Alt-Click on an expression to obtain the MathJax menu instead."]
};
/*************************************************************/
/*************************************************************/
HUB.Browser.Select({
MSIE: function (browser) {
var quirks = (document.compatMode === "BackCompat");
var isIE8 = browser.versionAtLeast("8.0") && document.documentMode > 7;
MENU.Augment({
margin: 20,
msieBackgroundBug: ((document.documentMode||0) < 9),
msieFixedPositionBug: (quirks || !isIE8),
msieAboutBug: quirks,
msieHeightBug: ((document.documentMode||0) < 9)
// height of window doesn't include title bar in XP
});
if (isIE9) {
delete CONFIG.styles["#MathJax_About"].filter;
delete CONFIG.styles[".MathJax_Menu"].filter;
}
},
Firefox: function (browser) {
MENU.skipMouseover = browser.isMobile && browser.versionAtLeast("6.0");
MENU.skipMousedown = browser.isMobile;
}
});
MENU.isMobile = HUB.Browser.isMobile;
MENU.noContextMenu = HUB.Browser.noContextMenu;
/*************************************************************/
//
// Creates the locale menu from the list of locales in MathJax.Localization.strings
//
MENU.CreateLocaleMenu = function () {
if (!MENU.menu) return;
var menu = MENU.menu.Find("Language").submenu, items = menu.items;
//
// Get the names of the languages and sort them
//
var locales = [], LOCALE = MathJax.Localization.strings;
for (var id in LOCALE) {if (LOCALE.hasOwnProperty(id)) {locales.push(id)}}
locales = locales.sort(); menu.items = [];
//
// Add a menu item for each
//
for (var i = 0, m = locales.length; i < m; i++) {
var title = LOCALE[locales[i]].menuTitle;
if (title) {title += " ("+locales[i]+")"} else {title = locales[i]}
menu.items.push(ITEM.RADIO([locales[i],title],"locale",{action:MENU.Locale}));
}
//
// Add the rule and "Load from URL" items
//
menu.items.push(items[items.length-2],items[items.length-1]);
};
//
// Create the annotation menu from MathJax.Hub.config.semanticsAnnotations
//
MENU.CreateAnnotationMenu = function () {
if (!MENU.menu) return;
var menu = MENU.menu.Find("Show Math As","Annotation").submenu;
var annotations = CONFIG.semanticsAnnotations;
for (var a in annotations) {
if (annotations.hasOwnProperty(a)) {
menu.items.push(ITEM.COMMAND([a,a], MENU.ShowSource, {hidden: true, nativeTouch: true, format: a}));
}
}
};
/*************************************************************/
HUB.Register.StartupHook("End Config",function () {
/*
* Get the menu settings from the HUB (which includes the
* data from the cookie already), and add the format, if
* it wasn't set in the cookie.
*/
CONFIG.settings = HUB.config.menuSettings;
if (typeof(CONFIG.settings.showRenderer) !== "undefined") {CONFIG.showRenderer = CONFIG.settings.showRenderer}
if (typeof(CONFIG.settings.showFontMenu) !== "undefined") {CONFIG.showFontMenu = CONFIG.settings.showFontMenu}
if (typeof(CONFIG.settings.showContext) !== "undefined") {CONFIG.showContext = CONFIG.settings.showContext}
MENU.getCookie();
/*
* The main menu
*/
// Localization: items used as key, should be refactored.
MENU.menu = MENU(
ITEM.SUBMENU(["Show","Show Math As"],
ITEM.COMMAND(["MathMLcode","MathML Code"], MENU.ShowSource, {nativeTouch: true, format: "MathML"}),
ITEM.COMMAND(["Original","Original Form"], MENU.ShowSource, {nativeTouch: true}),
ITEM.SUBMENU(["Annotation","Annotation"], {disabled:true}),
ITEM.RULE(),
ITEM.CHECKBOX(["texHints","Show TeX hints in MathML"], "texHints"),
ITEM.CHECKBOX(["semantics","Add original form as annotation"], "semantics")
),
ITEM.RULE(),
ITEM.SUBMENU(["Settings","Math Settings"],
ITEM.SUBMENU(["ZoomTrigger","Zoom Trigger"],
ITEM.RADIO(["Hover","Hover"], "zoom", {action: MENU.Zoom}),
ITEM.RADIO(["Click","Click"], "zoom", {action: MENU.Zoom}),
ITEM.RADIO(["DoubleClick","Double-Click"], "zoom", {action: MENU.Zoom}),
ITEM.RADIO(["NoZoom","No Zoom"], "zoom", {value: "None"}),
ITEM.RULE(),
ITEM.LABEL(["TriggerRequires","Trigger Requires:"]),
ITEM.CHECKBOX((HUB.Browser.isMac ? ["Option","Option"] : ["Alt","Alt"]), "ALT"),
ITEM.CHECKBOX(["Command","Command"], "CMD", {hidden: !HUB.Browser.isMac}),
ITEM.CHECKBOX(["Control","Control"], "CTRL", {hidden: HUB.Browser.isMac}),
ITEM.CHECKBOX(["Shift","Shift"], "Shift")
),
ITEM.SUBMENU(["ZoomFactor","Zoom Factor"],
ITEM.RADIO("125%", "zscale"),
ITEM.RADIO("133%", "zscale"),
ITEM.RADIO("150%", "zscale"),
ITEM.RADIO("175%", "zscale"),
ITEM.RADIO("200%", "zscale"),
ITEM.RADIO("250%", "zscale"),
ITEM.RADIO("300%", "zscale"),
ITEM.RADIO("400%", "zscale")
),
ITEM.RULE(),
ITEM.SUBMENU(["Renderer","Math Renderer"], {hidden:!CONFIG.showRenderer},
ITEM.RADIO(["HTML-CSS","HTML-CSS"], "renderer", {action: MENU.Renderer}),
ITEM.RADIO(["CommonHTML","Common HTML"], "renderer", {action: MENU.Renderer, value:"CommonHTML"}),
ITEM.RADIO(["PreviewHTML","Preview HTML"],"renderer", {action: MENU.Renderer, value:"PreviewHTML"}),
ITEM.RADIO(["MathML","MathML"], "renderer", {action: MENU.Renderer, value:"NativeMML"}),
ITEM.RADIO(["SVG","SVG"], "renderer", {action: MENU.Renderer}),
ITEM.RADIO(["PlainSource","Plain Source"],"renderer", {action: MENU.Renderer, value:"PlainSource"}),
ITEM.RULE(),
ITEM.CHECKBOX(["FastPreview","Fast Preview"], "FastPreview")
),
ITEM.SUBMENU("MathPlayer", {hidden:!HUB.Browser.isMSIE || !CONFIG.showMathPlayer,
disabled:!HUB.Browser.hasMathPlayer},
ITEM.LABEL(["MPHandles","Let MathPlayer Handle:"]),
ITEM.CHECKBOX(["MenuEvents","Menu Events"], "mpContext", {action: MENU.MPEvents, hidden:!isIE9}),
ITEM.CHECKBOX(["MouseEvents","Mouse Events"], "mpMouse", {action: MENU.MPEvents, hidden:!isIE9}),
ITEM.CHECKBOX(["MenuAndMouse","Mouse and Menu Events"], "mpMouse", {action: MENU.MPEvents, hidden:isIE9})
),
ITEM.SUBMENU(["FontPrefs","Font Preference"], {hidden:!CONFIG.showFontMenu},
ITEM.LABEL(["ForHTMLCSS","For HTML-CSS:"]),
ITEM.RADIO(["Auto","Auto"], "font", {action: MENU.Font}),
ITEM.RULE(),
ITEM.RADIO(["TeXLocal","TeX (local)"], "font", {action: MENU.Font}),
ITEM.RADIO(["TeXWeb","TeX (web)"], "font", {action: MENU.Font}),
ITEM.RADIO(["TeXImage","TeX (image)"], "font", {action: MENU.Font}),
ITEM.RULE(),
ITEM.RADIO(["STIXLocal","STIX (local)"], "font", {action: MENU.Font}),
ITEM.RADIO(["STIXWeb","STIX (web)"], "font", {action: MENU.Font}),
ITEM.RULE(),
ITEM.RADIO(["AsanaMathWeb","Asana Math (web)"], "font", {action: MENU.Font}),
ITEM.RADIO(["GyrePagellaWeb","Gyre Pagella (web)"], "font", {action: MENU.Font}),
ITEM.RADIO(["GyreTermesWeb","Gyre Termes (web)"], "font", {action: MENU.Font}),
ITEM.RADIO(["LatinModernWeb","Latin Modern (web)"], "font", {action: MENU.Font}),
ITEM.RADIO(["NeoEulerWeb","Neo Euler (web)"], "font", {action: MENU.Font})
),
ITEM.SUBMENU(["ContextMenu","Contextual Menu"], {hidden:!CONFIG.showContext},
ITEM.RADIO(["MathJax","MathJax"], "context"),
ITEM.RADIO(["Browser","Browser"], "context")
),
ITEM.COMMAND(["Scale","Scale All Math ..."],MENU.Scale),
ITEM.RULE().With({hidden:!CONFIG.showDiscoverable, name:["","discover_rule"]}),
ITEM.CHECKBOX(["Discoverable","Highlight on Hover"], "discoverable", {hidden:!CONFIG.showDiscoverable})
),
ITEM.SUBMENU(["Accessibility","Accessibility"],
ITEM.CHECKBOX(["AssistiveMML","Assistive MathML"], "assistiveMML", {action:MENU.AssistiveMML}),
ITEM.CHECKBOX(["InTabOrder","Include in Tab Order"], "inTabOrder")
),
ITEM.SUBMENU(["Locale","Language"], {hidden:!CONFIG.showLocale, ltr:true},
ITEM.RADIO("en", "locale", {action: MENU.Locale}),
ITEM.RULE().With({hidden:!CONFIG.showLocaleURL, name:["","localURL_rule"]}),
ITEM.COMMAND(["LoadLocale","Load from URL ..."], MENU.LoadLocale, {hidden:!CONFIG.showLocaleURL})
),
ITEM.RULE(),
ITEM.COMMAND(["About","About MathJax"],MENU.About),
ITEM.COMMAND(["Help","MathJax Help"],MENU.Help)
);
if (MENU.isMobile) {
(function () {
var settings = CONFIG.settings;
var trigger = MENU.menu.Find("Math Settings","Zoom Trigger").submenu;
trigger.items[0].disabled = trigger.items[1].disabled = true;
if (settings.zoom === "Hover" || settings.zoom == "Click") {settings.zoom = "None"}
trigger.items = trigger.items.slice(0,4);
if (navigator.appVersion.match(/[ (]Android[) ]/)) {
MENU.ITEM.SUBMENU.Augment({marker: "\u00BB"});
}
})();
}
MENU.CreateLocaleMenu();
MENU.CreateAnnotationMenu();
});
MENU.showRenderer = function (show) {
MENU.cookie.showRenderer = CONFIG.showRenderer = show; MENU.saveCookie();
MENU.menu.Find("Math Settings","Math Renderer").hidden = !show;
};
MENU.showMathPlayer = function (show) {
MENU.cookie.showMathPlayer = CONFIG.showMathPlayer = show; MENU.saveCookie();
MENU.menu.Find("Math Settings","MathPlayer").hidden = !show;
};
MENU.showFontMenu = function (show) {
MENU.cookie.showFontMenu = CONFIG.showFontMenu = show; MENU.saveCookie();
MENU.menu.Find("Math Settings","Font Preference").hidden = !show;
};
MENU.showContext = function (show) {
MENU.cookie.showContext = CONFIG.showContext = show; MENU.saveCookie();
MENU.menu.Find("Math Settings","Contextual Menu").hidden = !show;
};
MENU.showDiscoverable = function (show) {
MENU.cookie.showDiscoverable = CONFIG.showDiscoverable = show; MENU.saveCookie();
MENU.menu.Find("Math Settings","Highlight on Hover").hidden = !show;
MENU.menu.Find("Math Settings","discover_rule").hidden = !show;
};
MENU.showLocale = function (show) {
MENU.cookie.showLocale = CONFIG.showLocale = show; MENU.saveCookie();
MENU.menu.Find("Language").hidden = !show;
};
MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
if (!MathJax.OutputJax["HTML-CSS"].config.imageFont)
{MENU.menu.Find("Math Settings","Font Preference","TeX (image)").disabled = true}
});
/*************************************************************/
CALLBACK.Queue(
HUB.Register.StartupHook("End Config",{}), // wait until config is complete
["Styles",AJAX,CONFIG.styles],
["Post",HUB.Startup.signal,"MathMenu Ready"],
["loadComplete",AJAX,"[MathJax]/extensions/MathMenu.js"]
);
})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);