80 lines
2.4 KiB
JavaScript
80 lines
2.4 KiB
JavaScript
// Hypothesis Customized embedding
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// This hypothesis config function returns a new constructor which modifies
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// annotator for a better integration. Below we create our own EpubAnnotationSidebar
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// Constructor, customizing the show and hide function to take acount for the reader UI.
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window.hypothesisConfig = function() {
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var Annotator = window.Annotator;
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var $main = $("#main");
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function EpubAnnotationSidebar(elem, options) {
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options = {
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server: true,
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origin: true,
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showHighlights: true,
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Toolbar: {container: '#annotation-controls'}
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}
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Annotator.Host.call(this, elem, options);
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}
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EpubAnnotationSidebar.prototype = Object.create(Annotator.Host.prototype);
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EpubAnnotationSidebar.prototype.show = function() {
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this.frame.css({
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'margin-left': (-1 * this.frame.width()) + "px"
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});
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this.frame.removeClass('annotator-collapsed');
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if (!$main.hasClass('single')) {
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$main.addClass("single");
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this.toolbar.find('[name=sidebar-toggle]').removeClass('h-icon-chevron-left').addClass('h-icon-chevron-right');
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this.setVisibleHighlights(true);
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}
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};
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EpubAnnotationSidebar.prototype.hide = function() {
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this.frame.css({
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'margin-left': ''
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});
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this.frame.addClass('annotator-collapsed');
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if ($main.hasClass('single')) {
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$main.removeClass("single");
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this.toolbar.find('[name=sidebar-toggle]').removeClass('h-icon-chevron-right').addClass('h-icon-chevron-left');
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this.setVisibleHighlights(false);
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}
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};
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return {
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constructor: EpubAnnotationSidebar,
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}
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};
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// This is the Epub.js plugin. Annotations are updated on location change.
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EPUBJS.reader.plugins.HypothesisController = function (Book) {
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var reader = this;
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var $main = $("#main");
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var updateAnnotations = function () {
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var annotator = Book.renderer.render.window.annotator;
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if (annotator && annotator.constructor.$) {
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var annotations = getVisibleAnnotations(annotator.constructor.$);
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annotator.showAnnotations(annotations)
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}
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};
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var getVisibleAnnotations = function ($) {
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var width = Book.renderer.render.iframe.clientWidth;
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return $('.annotator-hl').map(function() {
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var $this = $(this),
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left = this.getBoundingClientRect().left;
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if (left >= 0 && left <= width) {
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return $this.data('annotation');
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}
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}).get();
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};
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Book.on("renderer:locationChanged", updateAnnotations);
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return {}
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};
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