add experimental plugin to shorten articles which are too damn long in expanded cdm

plugins/shorten_expanded/init.css

@@ -0,0 +1,9 @@
+div.contentSizeWrapper {
+	overflow : hidden;
+	text-overflow: ellipsis;
+	height : 700px;
+}
+
+button.expandPrompt {
+	margin-top : 20px;
+}

plugins/shorten_expanded/init.js

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+var _shorten_expanded_threshold = 900; //px, longer than css height so that we would only clip articles significantly longer than limit
+
+function expandSizeWrapper(id) {
+	try {
+		var row = $(id);
+
+		console.log(row);
+
+		if (row) {
+			var content = row.select(".contentSizeWrapper")[0];
+			var link = row.select(".expandPrompt")[0];
+
+			if (content) content.removeClassName("contentSizeWrapper");
+			if (link) Element.hide(link);
+
+		}
+	} catch (e) {
+		exception_error("expandSizeWrapper", e);
+	}
+
+	return false;
+
+}
+
+dojo.addOnLoad(function() {
+	PluginHost.register(PluginHost.HOOK_ARTICLE_RENDERED_CDM, function(row) {
+		if (getInitParam('cdm_expanded')) {
+
+			window.setTimeout(function() {
+				if (row) {
+					if (row.offsetHeight >= _shorten_expanded_threshold) {
+						var content = row.select(".cdmContentInner")[0];
+
+						if (content) {
+							content.innerHTML = "<div class='contentSizeWrapper'>" +
+								content.innerHTML + "</div><button class='expandPrompt' onclick='return expandSizeWrapper(\""+row.id+"\")' "+
+								"href='#'>" + __("Click to expand article") + "</button>";
+
+						}
+					}
+				}
+			}, 150);
+		}
+	});
+});

plugins/shorten_expanded/init.php

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+<?php
+class Shorten_Expanded extends Plugin {
+	private $host;
+
+	function about() {
+		return array(1.0,
+			"Shorten overly long articles in CDM/expanded",
+			"fox");
+	}
+
+	function init($host) {
+		$this->host = $host;
+
+	}
+
+	function get_css() {
+		return file_get_contents(__DIR__ . "/init.css");
+	}
+
+	function get_js() {
+		return file_get_contents(__DIR__ . "/init.js");
+	}
+
+	function api_version() {
+		return 2;
+	}
+
+}
+?>