mirror of
https://github.com/laurent22/joplin.git
synced 2024-12-03 08:35:29 +02:00
132 lines
3.3 KiB
HTML
132 lines
3.3 KiB
HTML
<style>
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body {
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overflow: hidden;
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}
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#content {
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overflow-y: scroll;
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height: 100%;
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}
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</style>
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<div id="hlScriptContainer"></div>
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<div id="content"></div>
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<script>
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const { ipcRenderer } = require('electron');
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const contentElement = document.getElementById('content');
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// ----------------------------------------------------------------------
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// Handle dynamically loading HLJS when a code element is present
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// ----------------------------------------------------------------------
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let hljsScriptAdded = false;
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let hljsLoaded = false;
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function loadHljs(callback) {
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hljsScriptAdded = true;
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const script = document.createElement('script');
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script.onload = function () {
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hljsLoaded = true;
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applyHljs();
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};
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script.src = 'highlight/highlight.pack.js';
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document.getElementById('hlScriptContainer').appendChild(script);
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const link = document.createElement('link');
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link.rel = 'stylesheet';
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// https://ace.c9.io/build/kitchen-sink.html
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// https://highlightjs.org/static/demo/
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link.href = 'highlight/styles/atom-one-light.css';
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document.getElementById('hlScriptContainer').appendChild(link);
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}
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function loadAndApplyHljs() {
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var codeElements = document.getElementsByClassName('code');
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if (!codeElements.length) return;
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if (!hljsScriptAdded) {
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this.loadHljs();
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return;
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}
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// If HLJS is not loaded yet, no need to do anything. When it loads
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// it will automatically apply the style to all the code elements.
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if (hljsLoaded) applyHljs(codeElements);
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}
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function applyHljs(codeElements) {
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if (typeof codeElements === 'undefined') codeElements = document.getElementsByClassName('code');
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for (var i = 0; i < codeElements.length; i++) {
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hljs.highlightBlock(codeElements[i]);
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}
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}
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// ----------------------------------------------------------------------
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// / Handle dynamically loading HLJS when a code element is present
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// ----------------------------------------------------------------------
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ipcRenderer.on('setHtml', (event, html) => {
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contentElement.innerHTML = html;
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loadAndApplyHljs();
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// A checkbox list is rendered like this by markdown-it:
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// <ul>
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// <li>
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// <p>
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// [x] some item
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// </p>
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// </li>
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// ...
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// </ul>
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// And we need to remove the padding from "p" and the bullet from "ul"
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const checkboxes = document.getElementsByClassName('checkbox');
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for (let i = 0; i < checkboxes.length; i++) {
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const cb = checkboxes[i];
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cb.parentElement.style.marginBottom = 0;
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const ul = cb.parentElement.parentElement.parentElement;
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if (!ul) {
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console.warn('Unexpected layout for checkbox');
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continue;
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}
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ul.style.listStyleType = 'none';
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}
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});
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let ignoreNextScroll = false;
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ipcRenderer.on('setPercentScroll', (event, percent) => {
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ignoreNextScroll = true;
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contentElement.scrollTop = percent * maxScrollTop();
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});
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// function elementMapCoordinates(element) {
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// while (true) {
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// if (!element) break;
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// const m = element.getAttribute('data-map');
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// if (m) return m.split(':');
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// element = element.parentElement;
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// }
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// return null;
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// }
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function maxScrollTop() {
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return Math.max(0, contentElement.scrollHeight - contentElement.clientHeight);
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}
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contentElement.addEventListener('scroll', function(e) {
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if (ignoreNextScroll) {
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ignoreNextScroll = false;
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return;
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}
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const m = maxScrollTop();
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ipcRenderer.sendToHost('percentScroll', m ? contentElement.scrollTop / m : 0);
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});
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</script> |