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87 lines
2.3 KiB
JavaScript
87 lines
2.3 KiB
JavaScript
/* global Plugins, __, require, PluginHost, App, dojo */
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Plugins.Shorten_Expanded = {
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threshold: 1.5, // of window height
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shorten_if_needed: function(row) {
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const content = row.querySelector(".content");
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const content_inner = row.querySelector(".content-inner");
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console.log('shorten_expanded', row.id, content.offsetHeight, 'vs', this.threshold * window.innerHeight);
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if (content && content_inner && content.offsetHeight >= this.threshold * window.innerHeight) {
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const attachments = row.querySelector(".attachments-inline"); // optional
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content_inner.innerHTML = `
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<div class="content-shrink-wrap">
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${content_inner.innerHTML}
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${attachments ? attachments.innerHTML : ''}
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</div>
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<button dojoType="dijit.form.Button" class="alt-info expand-prompt" onclick="return Plugins.Shorten_Expanded.expand('${row.id}')" href="#">
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${App.FormFields.icon('add')}
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${__("Expand article")}
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</button>`;
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if (attachments)
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attachments.innerHTML = "";
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dojo.parser.parse(content_inner);
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return true;
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}
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return false;
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},
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process_row: function(row) {
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if (this.shorten_if_needed(row))
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return;
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const promises = [];
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[...row.querySelectorAll("img, video")].forEach((img) => {
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const promise = new Promise((resolve, reject) => {
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img.onload = () => resolve(img);
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img.onloadeddata = () => resolve(img);
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img.error = () => reject(new Error("unable to load video"));
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img.onerror = () => reject(new Error("unable to load image"));
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});
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const timeout = new Promise((resolve, reject) => {
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const id = setTimeout(() => {
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clearTimeout(id);
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reject(new Error("timed out"));
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}, 250)
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})
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promises.push(Promise.race([promise, timeout]));
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});
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Promise.allSettled(promises).then(() => {
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this.shorten_if_needed(row);
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});
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},
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expand: function(id) {
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const row = App.byId(id);
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if (row) {
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const content = row.querySelector(".content-shrink-wrap");
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const link = row.querySelector(".expand-prompt");
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if (content) content.removeClassName("content-shrink-wrap");
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if (link) Element.hide(link);
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}
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return false;
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}
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}
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require(['dojo/_base/kernel', 'dojo/ready'], function (dojo, ready) {
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ready(function() {
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PluginHost.register(PluginHost.HOOK_ARTICLE_RENDERED_CDM, function(row) {
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Plugins.Shorten_Expanded.process_row(row);
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return true;
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});
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});
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});
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