openmedialibrary/static/epub.js/plugins/search.js

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2014-12-08 18:01:58 +00:00
EPUBJS.reader.search = {};
// Search Server -- https://github.com/futurepress/epubjs-search
EPUBJS.reader.search.SERVER = "https://pacific-cliffs-3579.herokuapp.com";
EPUBJS.reader.search.request = function(q, callback) {
var fetch = $.ajax({
dataType: "json",
url: EPUBJS.reader.search.SERVER + "/search?q=" + encodeURIComponent(q)
});
fetch.fail(function(err) {
console.error(err);
});
fetch.done(function(results) {
callback(results);
});
};
EPUBJS.reader.plugins.SearchController = function(Book) {
var reader = this;
var $searchBox = $("#searchBox"),
$searchResults = $("#searchResults"),
$searchView = $("#searchView"),
iframeDoc;
var searchShown = false;
var onShow = function() {
query();
searchShown = true;
$searchView.addClass("shown");
};
var onHide = function() {
searchShown = false;
$searchView.removeClass("shown");
};
var query = function() {
var q = $searchBox.val();
if(q == '') {
return;
}
$searchResults.empty();
$searchResults.append("<li><p>Searching...</p></li>");
EPUBJS.reader.search.request(q, function(data) {
var results = data.results;
$searchResults.empty();
if(iframeDoc) {
$(iframeDoc).find('body').unhighlight();
}
if(results.length == 0) {
$searchResults.append("<li><p>No Results Found</p></li>");
return;
}
iframeDoc = $("#viewer iframe")[0].contentDocument;
$(iframeDoc).find('body').highlight(q, { element: 'span' });
results.forEach(function(result) {
var $li = $("<li></li>");
var $item = $("<a href='"+result.href+"' data-cfi='"+result.cfi+"'><span>"+result.title+"</span><p>"+result.highlight+"</p></a>");
$item.on("click", function(e) {
var $this = $(this),
cfi = $this.data("cfi");
e.preventDefault();
Book.gotoCfi(cfi+"/1:0");
Book.on("renderer:chapterDisplayed", function() {
iframeDoc = $("#viewer iframe")[0].contentDocument;
$(iframeDoc).find('body').highlight(q, { element: 'span' });
})
});
$li.append($item);
$searchResults.append($li);
});
});
};
$searchBox.on("search", function(e) {
var q = $searchBox.val();
//-- SearchBox is empty or cleared
if(q == '') {
$searchResults.empty();
if(reader.SidebarController.getActivePanel() == "Search") {
reader.SidebarController.changePanelTo("Toc");
}
$(iframeDoc).find('body').unhighlight();
iframeDoc = false;
return;
}
reader.SidebarController.changePanelTo("Search");
e.preventDefault();
});
return {
"show" : onShow,
"hide" : onHide
};
};