EPUBJS.Hooks.register("beforeChapterDisplay").endnotes = function(callback, renderer){
var notes = renderer.contents.querySelectorAll('a[href]'),
items = Array.prototype.slice.call(notes), //[].slice.call()
attr = "epub:type",
type = "noteref",
folder = EPUBJS.core.folder(location.pathname),
cssPath = (folder + EPUBJS.cssPath) || folder,
popups = {};
EPUBJS.core.addCss(cssPath + "popup.css", false, renderer.render.document.head);
items.forEach(function(item){
var epubType = item.getAttribute(attr),
href,
id,
el,
pop,
pos,
left,
top,
txt;
if(epubType != type) return;
href = item.getAttribute("href");
id = href.replace("#", '');
el = renderer.render.document.getElementById(id);
item.addEventListener("mouseover", showPop, false);
item.addEventListener("mouseout", hidePop, false);
function showPop(){
var poppos,
iheight = renderer.height,
iwidth = renderer.width,
tip,
pop,
maxHeight = 225,
itemRect;
if(!txt) {
pop = el.cloneNode(true);
txt = pop.querySelector("p");
}
// chapter.replaceLinks.bind(this) //TODO:Fred - update?
//-- create a popup with endnote inside of it
if(!popups[id]) {
popups[id] = document.createElement("div");
popups[id].setAttribute("class", "popup");
pop_content = document.createElement("div");
popups[id].appendChild(pop_content);
pop_content.appendChild(txt);
pop_content.setAttribute("class", "pop_content");
renderer.render.document.body.appendChild(popups[id]);
//-- TODO: will these leak memory? - Fred
popups[id].addEventListener("mouseover", onPop, false);
popups[id].addEventListener("mouseout", offPop, false);
//-- Add hide on page change
// chapter.book.listenUntil("book:pageChanged", "book:chapterDestroy", hidePop);
// chapter.book.listenUntil("book:pageChanged", "book:chapterDestroy", offPop);
renderer.on("renderer:pageChanged", hidePop, this);
renderer.on("renderer:pageChanged", offPop, this);
// chapter.book.on("renderer:chapterDestroy", hidePop, this);
}
pop = popups[id];
//-- get location of item
itemRect = item.getBoundingClientRect();
left = itemRect.left;
top = itemRect.top;
//-- show the popup
pop.classList.add("show");
//-- locations of popup
popRect = pop.getBoundingClientRect();
//-- position the popup
pop.style.left = left - popRect.width / 2 + "px";
pop.style.top = top + "px";
//-- Adjust max height
if(maxHeight > iheight / 2.5) {
maxHeight = iheight / 2.5;
pop_content.style.maxHeight = maxHeight + "px";
}
//-- switch above / below
if(popRect.height + top >= iheight - 25) {
pop.style.top = top - popRect.height + "px";
pop.classList.add("above");
}else{
pop.classList.remove("above");
}
//-- switch left
if(left - popRect.width <= 0) {
pop.style.left = left + "px";
pop.classList.add("left");
}else{
pop.classList.remove("left");
}
//-- switch right
if(left + popRect.width / 2 >= iwidth) {
//-- TEMP MOVE: 300
pop.style.left = left - 300 + "px";
popRect = pop.getBoundingClientRect();
pop.style.left = left - popRect.width + "px";
//-- switch above / below again
if(popRect.height + top >= iheight - 25) {
pop.style.top = top - popRect.height + "px";
pop.classList.add("above");
}else{
pop.classList.remove("above");
}
pop.classList.add("right");
}else{
pop.classList.remove("right");
}
}
function onPop(){
popups[id].classList.add("on");
}
function offPop(){
popups[id].classList.remove("on");
}
function hidePop(){
setTimeout(function(){
popups[id].classList.remove("show");
}, 100);
}
});
if(callback) callback();
}
EPUBJS.Hooks.register("beforeChapterDisplay").mathml = function(callback, renderer){
// check of currentChapter properties contains 'mathml'
if(renderer.currentChapter.manifestProperties.indexOf("mathml") !== -1 ){
// Assign callback to be inside iframe window
renderer.iframe.contentWindow.mathmlCallback = callback;
// add MathJax config script tag to the renderer body
var s = document.createElement("script");
s.type = 'text/x-mathjax-config';
s.innerHTML = '\
MathJax.Hub.Register.StartupHook("End",function () { \
window.mathmlCallback(); \
});\
MathJax.Hub.Config({jax: ["input/TeX","input/MathML","output/SVG"],extensions: ["tex2jax.js","mml2jax.js","MathEvents.js"],TeX: {extensions: ["noErrors.js","noUndefined.js","autoload-all.js"]},MathMenu: {showRenderer: false},menuSettings: {zoom: "Click"},messageStyle: "none"}); \
';
renderer.doc.body.appendChild(s);
// add MathJax.js to renderer head
EPUBJS.core.addScript("http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML", null, renderer.doc.head);
} else {
if(callback) callback();
}
}
EPUBJS.Hooks.register("beforeChapterDisplay").smartimages = function(callback, renderer){
var images = renderer.contents.querySelectorAll('img'),
items = Array.prototype.slice.call(images),
iheight = renderer.height,//chapter.bodyEl.clientHeight,//chapter.doc.body.getBoundingClientRect().height,
oheight;
if(renderer.layoutSettings.layout != "reflowable") {
callback();
return; //-- Only adjust images for reflowable text
}
items.forEach(function(item){
function size() {
var itemRect = item.getBoundingClientRect(),
rectHeight = itemRect.height,
top = itemRect.top,
oHeight = item.getAttribute('data-height'),
height = oHeight || rectHeight,
newHeight,
fontSize = Number(getComputedStyle(item, "").fontSize.match(/(\d*(\.\d*)?)px/)[1]),
fontAdjust = fontSize ? fontSize / 2 : 0;
iheight = renderer.contents.clientHeight;
if(top < 0) top = 0;
if(height + top >= iheight) {
if(top < iheight/2) {
// Remove top and half font-size from height to keep container from overflowing
newHeight = iheight - top - fontAdjust;
item.style.maxHeight = newHeight + "px";
item.style.width= "auto";
}else{
if(height > iheight) {
item.style.maxHeight = iheight + "px";
item.style.width= "auto";
itemRect = item.getBoundingClientRect();
height = itemRect.height;
}
item.style.display = "block";
item.style["WebkitColumnBreakBefore"] = "always";
item.style["breakBefore"] = "column";
}
item.setAttribute('data-height', newHeight);
}else{
item.style.removeProperty('max-height');
item.style.removeProperty('margin-top');
}
}
item.addEventListener('load', size, false);
renderer.on("renderer:resized", size);
renderer.on("renderer:chapterUnloaded", function(){
item.removeEventListener('load', size);
renderer.off("renderer:resized", size);
});
size();
});
if(callback) callback();
}
EPUBJS.Hooks.register("beforeChapterDisplay").transculsions = function(callback, renderer){
/*
*/
var trans = renderer.contents.querySelectorAll('[transclusion]'),
items = Array.prototype.slice.call(trans);
items.forEach(function(item){
var src = item.getAttribute("ref"),
iframe = document.createElement('iframe'),
orginal_width = item.getAttribute("width"),
orginal_height = item.getAttribute("height"),
parent = item.parentNode,
width = orginal_width,
height = orginal_height,
ratio;
function size() {
width = orginal_width;
height = orginal_height;
if(width > chapter.colWidth){
ratio = chapter.colWidth / width;
width = chapter.colWidth;
height = height * ratio;
}
iframe.width = width;
iframe.height = height;
}
size();
//-- resize event
renderer.listenUntil("renderer:resized", "renderer:chapterUnloaded", size);
iframe.src = src;
//
parent.replaceChild(iframe, item);
});
if(callback) callback();
}
//# sourceMappingURL=hooks.js.map