mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-12-05 07:23:59 +08:00
166 lines
5.9 KiB
JavaScript
166 lines
5.9 KiB
JavaScript
const Clipboard = require("clipboard");
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const Code = require('../code');
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let setupPageShow = window.setupPageShow = function (pageId) {
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Code.highlight();
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if (!pageId) return;
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// Set up pointer
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let $pointer = $('#pointer').detach();
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let pointerShowing = false;
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let $pointerInner = $pointer.children('div.pointer').first();
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let isSelection = false;
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let pointerModeLink = true;
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let pointerSectionId = '';
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// Select all contents on input click
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$pointer.on('click', 'input', function (e) {
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$(this).select();
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e.stopPropagation();
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});
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// Pointer mode toggle
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$pointer.on('click', 'span.icon', event => {
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let $icon = $(event.currentTarget);
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pointerModeLink = !pointerModeLink;
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$icon.html(pointerModeLink ? '<i class="zmdi zmdi-link"></i>' : '<i class="zmdi zmdi-square-down"></i>');
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updatePointerContent();
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});
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// Set up clipboard
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let clipboard = new Clipboard('#pointer button');
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// Hide pointer when clicking away
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$(document.body).find('*').on('click focus', event => {
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if (!pointerShowing || isSelection) return;
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let target = $(event.target);
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if (target.is('.zmdi') || $(event.target).closest('#pointer').length === 1) return;
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$pointer.detach();
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pointerShowing = false;
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});
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function updatePointerContent() {
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let inputText = pointerModeLink ? window.baseUrl(`/link/${pageId}#${pointerSectionId}`) : `{{@${pageId}#${pointerSectionId}}}`;
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if (pointerModeLink && inputText.indexOf('http') !== 0) inputText = window.location.protocol + "//" + window.location.host + inputText;
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$pointer.find('input').val(inputText);
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}
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// Show pointer when selecting a single block of tagged content
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$('.page-content [id^="bkmrk"]').on('mouseup keyup', function (e) {
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e.stopPropagation();
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let selection = window.getSelection();
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if (selection.toString().length === 0) return;
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// Show pointer and set link
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let $elem = $(this);
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pointerSectionId = $elem.attr('id');
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updatePointerContent();
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$elem.before($pointer);
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$pointer.show();
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pointerShowing = true;
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// Set pointer to sit near mouse-up position
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let pointerLeftOffset = (e.pageX - $elem.offset().left - ($pointerInner.width() / 2));
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if (pointerLeftOffset < 0) pointerLeftOffset = 0;
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let pointerLeftOffsetPercent = (pointerLeftOffset / $elem.width()) * 100;
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$pointerInner.css('left', pointerLeftOffsetPercent + '%');
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isSelection = true;
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setTimeout(() => {
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isSelection = false;
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}, 100);
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});
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// Go to, and highlight if necessary, the specified text.
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function goToText(text) {
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let idElem = document.getElementById(text);
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$('.page-content [data-highlighted]').attr('data-highlighted', '').css('background-color', '');
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if (idElem !== null) {
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let $idElem = $(idElem);
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let color = $('#custom-styles').attr('data-color-light');
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$idElem.css('background-color', color).attr('data-highlighted', 'true').smoothScrollTo();
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setTimeout(() => {
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$idElem.addClass('anim').addClass('selectFade').css('background-color', '');
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setTimeout(() => {
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$idElem.removeClass('selectFade');
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}, 3000);
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}, 100);
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} else {
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$('.page-content').find(':contains("' + text + '")').smoothScrollTo();
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}
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}
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// Check the hash on load
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if (window.location.hash) {
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let text = window.location.hash.replace(/\%20/g, ' ').substr(1);
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goToText(text);
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}
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// Sidebar page nav click event
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$('.sidebar-page-nav').on('click', 'a', event => {
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goToText(event.target.getAttribute('href').substr(1));
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});
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// Make the sidebar stick in view on scroll
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let $window = $(window);
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let $sidebar = $("#sidebar .scroll-body");
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let $bookTreeParent = $sidebar.parent();
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// Check the page is scrollable and the content is taller than the tree
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let pageScrollable = ($(document).height() > $window.height()) && ($sidebar.height() < $('.page-content').height());
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// Get current tree's width and header height
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let headerHeight = $("#header").height() + $(".toolbar").height();
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let isFixed = $window.scrollTop() > headerHeight;
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// Function to fix the tree as a sidebar
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function stickTree() {
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$sidebar.width($bookTreeParent.width() + 15);
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$sidebar.addClass("fixed");
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isFixed = true;
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}
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// Function to un-fix the tree back into position
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function unstickTree() {
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$sidebar.css('width', 'auto');
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$sidebar.removeClass("fixed");
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isFixed = false;
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}
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// Checks if the tree stickiness state should change
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function checkTreeStickiness(skipCheck) {
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let shouldBeFixed = $window.scrollTop() > headerHeight;
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if (shouldBeFixed && (!isFixed || skipCheck)) {
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stickTree();
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} else if (!shouldBeFixed && (isFixed || skipCheck)) {
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unstickTree();
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}
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}
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// The event ran when the window scrolls
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function windowScrollEvent() {
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checkTreeStickiness(false);
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}
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// If the page is scrollable and the window is wide enough listen to scroll events
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// and evaluate tree stickiness.
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if (pageScrollable && $window.width() > 1000) {
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$window.on('scroll', windowScrollEvent);
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checkTreeStickiness(true);
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}
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// Handle window resizing and switch between desktop/mobile views
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$window.on('resize', event => {
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if (pageScrollable && $window.width() > 1000) {
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$window.on('scroll', windowScrollEvent);
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checkTreeStickiness(true);
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} else {
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$window.off('scroll', windowScrollEvent);
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unstickTree();
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}
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});
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// in order to call from other places.
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window.setupPageShow.goToText = goToText;
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};
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module.exports = setupPageShow; |