User:Dsm.wiki/gadget-searchEngines.js

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/* Modifies Special:Search to be able to use different search engines
 * Copied and adapted from [[fr:MediaWiki:Gadget-searchEngines.js]] (oldid=22149484)
 *
 * Author : [[fr:User:Darkdadaah]]
 * Adaptation : [[en:User:Vvs-dm]]
 *
 * 2017-03-29 -- last modified by Vvs-dm
 * <pre><nowiki>
 */
 
function externalSearchEngines() {
	if (typeof SpecialSearchEnhanced2Disabled != 'undefined') return;
	if (mw.config.get('wgPageName') != "Special:Search") return;
	
	var mwSearchTopTable = document.getElementById("mw-search-top-table");
	if (!mwSearchTopTable) return;
	
	var firstEngine = "mediawiki";
	
	var choices = document.createElement("div");
	choices.setAttribute("id", "searchengineChoices");
	choices.style.clear = "left";
	choices.style.paddingTop = "0.3em";
	
	var lsearchbox = document.getElementById("searchText");
	if (!lsearchbox) lsearchbox = document.getElementById("powerSearchText");
	if (!lsearchbox) return;
	var initValue = lsearchbox.value;
	
	var space = "";
	
	for (var id in searchEngines) {
		var engine = searchEngines[id];
	if (engine.ShortName)
	{
		if (space) choices.appendChild(space);
		space = document.createTextNode(" ");
		
		var attr = { 
			type: "radio", 
			name: "searchengineselect",
			value: id,
			onFocus: "changeSearchEngine(this.value)",
			id: "searchengineRadio-"+id
		};
		
		var html = "<input";
		for (var a in attr) html += " " + a + "='" + attr[a] + "'";
		html += " />";
		var span = document.createElement("span");
		span.innerHTML = html;
	
		choices.appendChild( span );
		var label = document.createElement("label");
		label.htmlFor = "searchengineRadio-" + id; 
		if (engine.Template.indexOf('http') === 0) {
			var lienMoteur = document.createElement("a");
			lienMoteur.href = engine.Template.replace("{searchTerms}", initValue).replace("{language}", "cu");
			lienMoteur.appendChild( document.createTextNode( engine.ShortName ) );
			label.appendChild(lienMoteur);
		} else {
			label.appendChild( document.createTextNode( engine.ShortName ) );
		}
	
		choices.appendChild( label );
	}
 }
	var input = document.createElement("input");
	input.id = "searchengineextraparam";
	input.type = "hidden";
	
	$(mwSearchTopTable).after(choices, input);
	
	changeSearchEngine(firstEngine, initValue);
}
 
window.changeSearchEngine = function (selectedId, searchTerms) {
	var currentId = document.getElementById("searchengineChoices").currentChoice;
	if (selectedId == currentId) return;
	
	document.getElementById("searchengineChoices").currentChoice = selectedId;
	var radio = document.getElementById('searchengineRadio-' + selectedId);
	radio.checked = "checked";
	
	var engine = searchEngines[selectedId];
	var p = engine.Template.indexOf('?');
	var params = engine.Template.substr(p+1);
	
	var form;
	if (document.forms.search) {
		form = document.forms.search;
	} else {
		form = document.getElementById("powersearch");
	}
	form.setAttribute("action", engine.Template.substr(0,p));
	
	var l = ("" + params).split("&");
	for (var idx = 0; idx < l.length; idx++) {
		var peng = l[idx].split("=");
		var pValue = peng[1];
		
		if (pValue == "{language}") {
		} else if (pValue == "{searchTerms}") {
			var input = $( "#searchText" );

			if ( ! input.is('input')) {
				input = input.find('input').first();
			}

			input.attr('name', peng[0]);
		} else {
			$( "#searchengineextraparam" ).attr('name', peng[0]).val(pValue);
		}
	}
};

// Add
if ( mw.config.get( 'wgPageName' ) === "Special:Search" ) {
	jQuery( externalSearchEngines );
}

// </nowiki></pre>