page-show.js
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"use strict";
// Configure ZeroClipboard
var zeroClipBoard = require('zeroclipboard');
zeroClipBoard.config({
swfPath: '/ZeroClipboard.swf'
});
window.setupPageShow = module.exports = function (pageId) {
// Set up pointer
var $pointer = $('#pointer').detach();
var $pointerInner = $pointer.children('div.pointer').first();
var isSelection = false;
// Select all contents on input click
$pointer.on('click', 'input', function(e) {
$(this).select();
e.stopPropagation();
});
// Set up copy-to-clipboard
new zeroClipBoard($pointer.find('button').first()[0]);
// Hide pointer when clicking away
$(document.body).find('*').on('click focus', function (e) {
if (!isSelection) {
$pointer.detach();
}
});
// Show pointer when selecting a single block of tagged content
$('.page-content [id^="bkmrk"]').on('mouseup keyup', function (e) {
var selection = window.getSelection();
if (selection.toString().length === 0) return;
// Show pointer and set link
var $elem = $(this);
var link = window.location.protocol + "//" + window.location.host + '/link/' + pageId + '#' + $elem.attr('id');
$pointer.find('input').val(link);
$pointer.find('button').first().attr('data-clipboard-text', link);
$elem.before($pointer);
$pointer.show();
// Set pointer to sit near mouse-up position
var pointerLeftOffset = (e.pageX - $elem.offset().left - ($pointerInner.width() / 2));
if (pointerLeftOffset < 0) pointerLeftOffset = 0;
var pointerLeftOffsetPercent = (pointerLeftOffset / $elem.width()) * 100;
$pointerInner.css('left', pointerLeftOffsetPercent + '%');
e.stopPropagation();
isSelection = true;
setTimeout(() => {
isSelection = false;
}, 100);
});
// Go to, and highlight if necessary, the specified text.
function goToText(text) {
var idElem = $('.page-content #' + text).first();
if (idElem.length !== 0) {
idElem.smoothScrollTo();
idElem.css('background-color', 'rgba(244, 249, 54, 0.25)');
} else {
$('.page-content').find(':contains("' + text + '")').smoothScrollTo();
}
}
// Check the hash on load
if (window.location.hash) {
var text = window.location.hash.replace(/\%20/g, ' ').substr(1);
goToText(text);
}
// Get current tree's width
var bookTreeWidth = $(".book-tree").width();
// Get header height
var headerHeight = $("#header").height() + $(".faded-small").height();
$(window).scroll(function () {
if($(window).scrollTop() > headerHeight){
// Begin to scroll
$(".book-tree").width(bookTreeWidth);
$(".book-tree").css("position", "fixed");
$(".book-tree").css("top", 0);
} else {
// Lock it back in place
$(".book-tree").css("position", "relative");
}
})
};