yetangitu/epub.js
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Code Issues Releases Wiki Activity

add highlights examples

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This commit is contained in:
Fred Chasen 2016-01-08 19:22:58 -05:00
parent 050f5dea7d
commit 558cd61cee
7 changed files with 248 additions and 32 deletions
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26
dist/epub.js vendored
View file

@ -6176,18 +6176,14 @@ Highlighter.prototype.add = function(range, className) {
this.doc = range.startContainer.ownerDocument; this.doc = range.startContainer.ownerDocument;
// TODO: is this is needed?
// Wrap all child text nodes // Wrap all child text nodes
/* this.getTextNodes(range, this.doc).forEach(function(node) {
this.getTextNodes(range, _doc).forEach(function(node) { wrappers.push(this.wrapNode(node));
var range = document.createRange(); }.bind(this));
range.selectNodeContents(node);
range.surroundContents(this.wrapperNode())
});
*/
if (range.startContainer === range.endContainer) { if (range.startContainer === range.endContainer) {
wrappers.push(this.wrapNode(range)); wrappers.push(this.wrapRange(range));
} else { } else {
// Wrap start and end elements // Wrap start and end elements
wrappers.push(this.wrapPartial(range, range.startContainer, 'start')); wrappers.push(this.wrapPartial(range, range.startContainer, 'start'));
@ -6229,12 +6225,20 @@ Highlighter.prototype.getTextNodes = function(range, _doc) {
}; };
Highlighter.prototype.wrapNode = function(range) { Highlighter.prototype.wrapRange = function(range) {
var wrapper = this.wrapperNode(); var wrapper = this.wrapperNode();
range.surroundContents(wrapper); range.surroundContents(wrapper);
return wrapper; return wrapper;
}; };
Highlighter.prototype.wrapNode = function(node) {
var wrapper = this.wrapperNode();
var range = this.doc.createRange();
range.selectNodeContents(node);
range.surroundContents(wrapper);
return wrapper;
};
Highlighter.prototype.wrapPartial = function(range, node, position) { Highlighter.prototype.wrapPartial = function(range, node, position) {
var startOffset = position === 'start' ? range.startOffset : 0; var startOffset = position === 'start' ? range.startOffset : 0;
var endOffset = position === 'start' ? node.length : range.endOffset var endOffset = position === 'start' ? node.length : range.endOffset
@ -8354,6 +8358,7 @@ Rendition.prototype.render = function(view, show) {
Rendition.prototype.afterDisplayed = function(view){ Rendition.prototype.afterDisplayed = function(view){
this.trigger("added", view.section); this.trigger("added", view.section);
this.reportLocation();
}; };
Rendition.prototype.fill = function(view){ Rendition.prototype.fill = function(view){
@ -8680,7 +8685,6 @@ Rendition.prototype.triggerViewEvent = function(e){
}; };
Rendition.prototype.triggerSelectedEvent = function(cfirange){ Rendition.prototype.triggerSelectedEvent = function(cfirange){
console.log(cfirange);
this.trigger("selected", cfirange); this.trigger("selected", cfirange);
}; };

2
dist/epub.js.map vendored
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File diff suppressed because one or more lines are too long

200
examples/highlights.html Normal file
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@ -0,0 +1,200 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>EPUB.js Pagination Example</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/2.5.0/jszip.min.js"></script>
<script src="../dist/epub.js"></script>
<style type="text/css">
body {
margin: 0;
background: #fafafa;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
color: #333;
position: absolute;
height: 100%;
width: 100%;
display: flex;
-webkit-align-items: center;
-webkit-justify-content: center;
}
#viewer {
width: 900px;
/*width: 80%;*/
height: 600px;
background: white;
box-shadow: 0 0 4px #ccc;
border-radius: 5px;
padding: 20px 40px;
/*width: 100%;*/
/* height: 400px;*/
position: relative;
/* Center Content */
margin: 40px auto;
}
/*
#viewer > iframe {
overflow: scroll;
height: 400px;
-webkit-column-axis: horizontal;
-webkit-column-fill: auto;
-webkit-column-width: 400px;
-webkit-column-gap: 10px;
} */
#viewer iframe {
background: white;
/*box-shadow: 0 0 4px #ccc;*/
/*width: 590px;
margin: 10px auto;*/
}
#prev {
left: 40px;
}
#next {
right: 40px;
}
.arrow {
position: fixed;
top: 50%;
margin-top: -32px;
font-size: 64px;
color: #E2E2E2;
font-family: arial, sans-serif;
font-weight: bold;
cursor: pointer;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
}
.arrow:hover {
color: #777;
}
.arrow:active {
color: #000;
}
#toc {
display: block;
margin: 10px auto;
}
@media (min-width: 1000px) {
#viewer:after {
position: absolute;
width: 1px;
border-right: 1px #000 solid;
height: 90%;
z-index: 1;
left: 50%;
margin-left: -1px;
top: 5%;
opacity: .15;
box-shadow: -2px 0 15px rgba(0, 0, 0, 1);
content: "";
}
}
</style>
</head>
<body>
<div id="viewer"></div>
<div id="prev" class="arrow">‹</div>
<div id="next" class="arrow">›</div>
<script>
// Load the opf
// var book = ePub("https://s3.amazonaws.com/moby-dick/OPS/package.opf");
var book = ePub("../books/alice/OPS/package.opf");
var rendition = book.renderTo("viewer", {
method: "paginate",
width: "100%",
height: 600
});
var displayed = rendition.display(3);
displayed.then(function(renderer){
// -- do stuff
});
// Navigation loaded
book.loaded.navigation.then(function(toc){
// console.log(toc);
});
var next = document.getElementById("next");
next.addEventListener("click", function(){
rendition.next();
}, false);
var prev = document.getElementById("prev");
prev.addEventListener("click", function(){
rendition.prev();
}, false);
var keyListener = function(e){
// Left Key
if ((e.keyCode || e.which) == 37) {
rendition.prev();
}
// Right Key
if ((e.keyCode || e.which) == 39) {
rendition.next();
}
};
rendition.on("keyup", keyListener);
document.addEventListener("keyup", keyListener, false);
var highlights = [];
rendition.on("selected", function(cfiRange) {
window.getSelection().removeAllRanges();
highlights = rendition.highlight(cfiRange);
// Illustation of how to add events to highlights
// and how get text from a range.
highlights.forEach(function (h) {
// Set the cfi range
h.setAttribute("data-epubcfi", cfiRange);
// Add a click event
h.addEventListener('click', function (e) {
var cfiRange = e.target.getAttribute("data-epubcfi");
book.getTextFromCfiRange(cfiRange).then(function (text) {
console.log(text);
})
return e.stopPropagation();
});
});
});
rendition.on("locationChanged", function(location){
// console.log(location);
});
</script>
</body>
</html>

20
examples/single-full.html
View file

@ -61,18 +61,18 @@
color: #777; color: #777;
text-decoration: underline; text-decoration: underline;
} }
#navigation ul li a.active { #navigation ul li a.active {
color: #000; color: #000;
} }
#viewer { #viewer {
overflow: hidden; overflow: hidden;
width: 800px; width: 800px;
margin: 0 50px; margin: 0 50px;
background: url('ajax-loader.gif') center center no-repeat; background: url('ajax-loader.gif') center center no-repeat;
} }
#viewer .epub-view { #viewer .epub-view {
@ -93,7 +93,7 @@
.arrow:hover { .arrow:hover {
color: #777; color: #777;
} }
.arrow:active { .arrow:active {
color: #000; color: #000;
} }
@ -122,7 +122,7 @@
// Load the opf // Load the opf
var book = ePub("../books/alice/"); var book = ePub("../books/alice/");
var rendition = book.renderTo("viewer"); var rendition = book.renderTo("viewer");
var hash = window.location.hash.slice(2); var hash = window.location.hash.slice(2);
rendition.display(hash || 1); rendition.display(hash || 1);
@ -147,7 +147,7 @@
if(nextSection) { if(nextSection) {
nextNav = book.navigation.get(nextSection.href); nextNav = book.navigation.get(nextSection.href);
if(nextNav) { if(nextNav) {
nextLabel = nextNav.label; nextLabel = nextNav.label;
} else { } else {
@ -161,7 +161,7 @@
if(prevSection) { if(prevSection) {
prevNav = book.navigation.get(prevSection.href); prevNav = book.navigation.get(prevSection.href);
if(prevNav) { if(prevNav) {
prevLabel = prevNav.label; prevLabel = prevNav.label;
} else { } else {
@ -178,6 +178,10 @@
window.location.hash = "#/"+section.href window.location.hash = "#/"+section.href
}); });
rendition.on("locationChanged", function(location){
console.log(location);
});
book.loaded.navigation.then(function(toc){ book.loaded.navigation.then(function(toc){
var $nav = document.getElementById("toc"), var $nav = document.getElementById("toc"),
docfrag = document.createDocumentFragment(); docfrag = document.createDocumentFragment();
@ -189,7 +193,7 @@
link.href = chapter.href; link.href = chapter.href;
item.appendChild(link); item.appendChild(link);
docfrag.appendChild(item); docfrag.appendChild(item);
link.onclick = function(){ link.onclick = function(){
var url = link.getAttribute("href"); var url = link.getAttribute("href");
console.log(url) console.log(url)

6
examples/spreads.html
View file

@ -167,7 +167,11 @@
rendition.on("selected", function(range) { rendition.on("selected", function(range) {
console.log("selected", range); console.log("selected", range);
}) });
rendition.on("locationChanged", function(location){
console.log(location);
});
</script> </script>

24
src/highlighter.js
View file

@ -16,18 +16,14 @@ Highlighter.prototype.add = function(range, className) {
this.doc = range.startContainer.ownerDocument; this.doc = range.startContainer.ownerDocument;
// TODO: is this is needed?
// Wrap all child text nodes // Wrap all child text nodes
/* this.getTextNodes(range, this.doc).forEach(function(node) {
this.getTextNodes(range, _doc).forEach(function(node) { wrappers.push(this.wrapNode(node));
var range = document.createRange(); }.bind(this));
range.selectNodeContents(node);
range.surroundContents(this.wrapperNode())
});
*/
if (range.startContainer === range.endContainer) { if (range.startContainer === range.endContainer) {
wrappers.push(this.wrapNode(range)); wrappers.push(this.wrapRange(range));
} else { } else {
// Wrap start and end elements // Wrap start and end elements
wrappers.push(this.wrapPartial(range, range.startContainer, 'start')); wrappers.push(this.wrapPartial(range, range.startContainer, 'start'));
@ -69,12 +65,20 @@ Highlighter.prototype.getTextNodes = function(range, _doc) {
}; };
Highlighter.prototype.wrapNode = function(range) { Highlighter.prototype.wrapRange = function(range) {
var wrapper = this.wrapperNode(); var wrapper = this.wrapperNode();
range.surroundContents(wrapper); range.surroundContents(wrapper);
return wrapper; return wrapper;
}; };
Highlighter.prototype.wrapNode = function(node) {
var wrapper = this.wrapperNode();
var range = this.doc.createRange();
range.selectNodeContents(node);
range.surroundContents(wrapper);
return wrapper;
};
Highlighter.prototype.wrapPartial = function(range, node, position) { Highlighter.prototype.wrapPartial = function(range, node, position) {
var startOffset = position === 'start' ? range.startOffset : 0; var startOffset = position === 'start' ? range.startOffset : 0;
var endOffset = position === 'start' ? node.length : range.endOffset var endOffset = position === 'start' ? node.length : range.endOffset

2
src/rendition.js
View file

@ -309,6 +309,7 @@ Rendition.prototype.render = function(view, show) {
Rendition.prototype.afterDisplayed = function(view){ Rendition.prototype.afterDisplayed = function(view){
this.trigger("added", view.section); this.trigger("added", view.section);
this.reportLocation();
}; };
Rendition.prototype.fill = function(view){ Rendition.prototype.fill = function(view){
@ -635,7 +636,6 @@ Rendition.prototype.triggerViewEvent = function(e){
}; };
Rendition.prototype.triggerSelectedEvent = function(cfirange){ Rendition.prototype.triggerSelectedEvent = function(cfirange){
console.log(cfirange);
this.trigger("selected", cfirange); this.trigger("selected", cfirange);
}; };