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/* global Plugins, __, require, PluginHost, App */
Plugins.Shorten_Expanded = {
threshold: 1.5, // of window height
debounce: (callback, wait) => {
let timeoutId = null;
return (...args) => {
window.clearTimeout(timeoutId);
timeoutId = window.setTimeout(() => {
callback(...args);
}, wait);
};
},
observer: false,
shorten_if_needed: function(row) {
const content = row.querySelector(".content");
const content_inner = row.querySelector(".content-inner");
//console.log('shorten_expanded', row.id, content.offsetHeight, 'vs', this.threshold * window.innerHeight);
if (content && content_inner && !row.hasAttribute('data-already-shortened') && content.offsetHeight >= this.threshold * window.innerHeight) {
row.setAttribute('data-already-shortened', true);
const attachments = row.querySelector(".attachments-inline"); // optional
content_inner.innerHTML = `
<div class="content-shrink-wrap">
${content_inner.innerHTML}
${attachments ? attachments.innerHTML : ''}
</div>
<button dojoType="dijit.form.Button" class="alt-info expand-prompt" onclick="return Plugins.Shorten_Expanded.expand('${row.id}')" href="#">
${App.FormFields.icon('add')}
${__("Expand article")}
</button>`;
if (attachments)
attachments.innerHTML = "";
dojo.parser.parse(content_inner);
return true;
}
return false;
},
process_row: function(row) {
if (this.shorten_if_needed(row))
return;
this.observer.observe(row);
},
expand: function(id) {
const row = App.byId(id);
if (row) {
const link = row.querySelector('.expand-prompt');
row.querySelector('.content-shrink-wrap')?.classList.remove('content-shrink-wrap');
if (link) Element.hide(link);
}
return false;
}
}
require(['dojo/_base/kernel', 'dojo/ready'], (dojo, ready) => {
ready(() => {
const self = Plugins.Shorten_Expanded;
self.observer = new ResizeObserver(self.debounce((entries) => {
entries.forEach((entry) => {
const row = entry.target;
self.shorten_if_needed(row);
});
}));
PluginHost.register(PluginHost.HOOK_ARTICLE_RENDERED_CDM, function(row) {
self.process_row(row);
return true;
});
});
});
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