PickList with Filter (Java)

gistfile1.java

	protected void encodeMarkup(FacesContext context, PickList pickList) throws IOException {
		...

		writer.startElement("tbody", null);

		// FILTER EXTENSION BEGIN
		if (pickList.isShowSourceFilter() || pickList.isShowTargetFilter()) {
			if (pickList.isShowSourceControls()) {
				writer.startElement("td", null);
				writer.endElement("td");
			}

			writer.startElement("td", null);
			if (pickList.isShowSourceFilter()) {
				writer.writeAttribute("class", PickList.SOURCE_FILTER, null);
				encodeFilter(context, pickList, true);
			}

			writer.endElement("td");

			writer.startElement("td", null);
			writer.endElement("td");

			writer.startElement("td", null);
			if (pickList.isShowTargetFilter()) {
				writer.writeAttribute("class", PickList.TARGET_FILTER, null);
				encodeFilter(context, pickList, false);
			}

			writer.endElement("td");

			if (pickList.isShowTargetControls()) {
				writer.startElement("td", null);
				writer.endElement("td");
			}
		}
		// FILTER EXTENSION END

		writer.startElement("tr", null);

		...
	}

	protected void encodeFilter(FacesContext context, PickList pickList, boolean source) throws IOException {
		ResponseWriter writer = context.getResponseWriter();

		String widgetVar = pickList.resolveWidgetVar();
		String filterId = pickList.getClientId(context) + (source ? "_sourceFilter" : "_targetFilter");
		String filterFunction = widgetVar + (source ? ".filter(this, true)" : ".filter(this, false)");

		writer.startElement("input", null);
		writer.writeAttribute("id", filterId, null);
		writer.writeAttribute("name", filterId, null);
		writer.writeAttribute("class", PickList.FILTER_INPUT, null);
		writer.writeAttribute("value", "", null);
		writer.writeAttribute("autocomplete", "off", null);
		writer.writeAttribute("onkeyup", filterFunction, null);

		writer.endElement("input");
	}