mirror of
https://github.com/laurent22/joplin.git
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95 lines
4.0 KiB
JavaScript
95 lines
4.0 KiB
JavaScript
const Entities = require('html-entities').AllHtmlEntities;
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const htmlentities = new Entities().encode;
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const utils = require('../../utils');
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const urlUtils = require('../../urlUtils.js');
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const { getClassNameForMimeType } = require('font-awesome-filetypes');
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function installRule(markdownIt, mdOptions, ruleOptions) {
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const pluginOptions = {
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// linkRenderingType = 1 is the regular rendering and clicking on it is handled via embedded JS (in onclick attribute)
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// linkRenderingType = 2 gives a plain link with no JS. Caller needs to handle clicking on the link.
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linkRenderingType: 1,
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...ruleOptions.plugins['link_open'],
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};
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markdownIt.renderer.rules.link_open = function(tokens, idx) {
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const token = tokens[idx];
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let href = utils.getAttr(token.attrs, 'href');
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const resourceHrefInfo = urlUtils.parseResourceUrl(href);
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const isResourceUrl = ruleOptions.resources && !!resourceHrefInfo;
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let title = utils.getAttr(token.attrs, 'title', isResourceUrl ? '' : href);
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let resourceIdAttr = '';
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let icon = '';
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let hrefAttr = '#';
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let mime = '';
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let resourceId = '';
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if (isResourceUrl) {
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resourceId = resourceHrefInfo.itemId;
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const result = ruleOptions.resources[resourceId];
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const resourceStatus = utils.resourceStatus(ruleOptions.ResourceModel, result);
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if (result && result.item) {
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title = utils.getAttr(token.attrs, 'title', result.item.title);
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mime = result.item.mime;
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}
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if (result && resourceStatus !== 'ready' && !ruleOptions.plainResourceRendering) {
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const icon = utils.resourceStatusFile(resourceStatus);
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return `<a class="not-loaded-resource resource-status-${resourceStatus}" data-resource-id="${resourceId}">` + `<img src="data:image/svg+xml;utf8,${htmlentities(icon)}"/>`;
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} else {
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href = `joplin://${resourceId}`;
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if (resourceHrefInfo.hash) href += `#${resourceHrefInfo.hash}`;
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resourceIdAttr = `data-resource-id='${resourceId}'`;
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let iconType = getClassNameForMimeType(mime);
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if (!mime) {
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iconType = 'fa-joplin';
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}
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// Icons are defined in lib/renderers/noteStyle.js using inline svg
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// The icons are taken from fork-awesome but use the font-awesome naming scheme in order
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// to be more compatible with the getClass library
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icon = `<span class="resource-icon ${iconType}"></span>`;
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}
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} else {
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// If the link is a plain URL (as opposed to a resource link), set the href to the actual
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// link. This allows the link to be exported too when exporting to PDF.
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hrefAttr = href;
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}
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// A single quote is valid in a URL but we don't want any because the
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// href is already enclosed in single quotes.
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// https://github.com/laurent22/joplin/issues/2030
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href = href.replace(/'/g, '%27');
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let js = `${ruleOptions.postMessageSyntax}(${JSON.stringify(href)}, { resourceId: ${JSON.stringify(resourceId)} }); return false;`;
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if (ruleOptions.enableLongPress && !!resourceId) {
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const longPressDelay = ruleOptions.longPressDelay ? ruleOptions.longPressDelay : 500;
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const onClick = `${ruleOptions.postMessageSyntax}(${JSON.stringify(href)})`;
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const onLongClick = `${ruleOptions.postMessageSyntax}("longclick:${resourceId}")`;
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const touchStart = `t=setTimeout(()=>{t=null; ${onLongClick};}, ${longPressDelay});`;
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const touchEnd = `if (!!t) {clearTimeout(t); t=null; ${onClick};}`;
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js = `ontouchstart='${touchStart}' ontouchend='${touchEnd}'`;
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}
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if (hrefAttr.indexOf('#') === 0 && href.indexOf('#') === 0) js = ''; // If it's an internal anchor, don't add any JS since the webview is going to handle navigating to the right place
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if (ruleOptions.plainResourceRendering || pluginOptions.linkRenderingType === 2) {
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return `<a data-from-md ${resourceIdAttr} title='${htmlentities(title)}' href='${htmlentities(href)}' type='${htmlentities(mime)}'>`;
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} else {
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return `<a data-from-md ${resourceIdAttr} title='${htmlentities(title)}' href='${hrefAttr}' ${js} type='${htmlentities(mime)}'>${icon}`;
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}
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};
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}
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module.exports = function(context, ruleOptions) {
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return function(md, mdOptions) {
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installRule(md, mdOptions, ruleOptions);
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};
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};
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