protected UIComponent getFor(FacesContext context, UISelect2Picker picker) {
// Associated control
String control = picker.getFor();
if (StringUtil.isNotEmpty(control)) {
UIComponent c = FacesUtil.getComponentFor(picker, control);
return c;
}
return null;
}
@Override
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UISelect2Picker picker = (UISelect2Picker) component;
// IPickerData data = picker.getDataProvider();
UIInputEx _for = (UIInputEx) getFor(context, picker);
boolean readOnly = _for != null ? FacesUtil.isComponentReadOnly(context, _for) : false;
// load select2 library and stylesheet
ScriptResource js = new ScriptResource();
js.setClientSide(true);
js.setSrc("/.ibmxspres/.extlib/bootstrap/select2/select2.js");
StyleSheetResource css = new StyleSheetResource();
css.setHref("/.ibmxspres/.extlib/bootstrap/select2/select2.css");
StyleSheetResource cssBootstrap = new StyleSheetResource();
cssBootstrap.setHref("/.ibmxspres/.extlib/bootstrap/select2/select2-bootstrap.css");
UIViewRootEx rootEx = (UIViewRootEx) context.getViewRoot();
rootEx.addEncodeResource(js);
rootEx.addEncodeResource(css);
rootEx.addEncodeResource(cssBootstrap);
if (readOnly) {
// selected values, let's not wrap them in a frameset and table here :-)
writer.writeText(Select2PickerRenderer.join(_for.getValueAsList(), ", "), null);
} else {
String id = picker.getId();
// if we're using the search option, select2 needs to be attached to the hidden input
if (!picker.isUseRemoteData()) {
newLine(writer);
writer.startElement("select", component);
writer.writeAttribute("id", picker.getId(), null);
writer.writeAttribute("class", "select2picker", null);
if (StringUtil.isNotEmpty(_for.getMultipleSeparator())) {
writer.writeAttribute("multiple", "multiple", null);
}
writer.endElement("select");
}
newLine(writer);
writer.startElement("script", component); // $NON-NLS-1$
// create the parameters to initialize a new select2 object
HashMap<String, Object> params = new HashMap<String, Object>();
params.put("id", id);
params.put("forId", _for.getClientId(context));
params.put("currentValue", _for.getValueAsString());
params.put("allowMultiple", StringUtil.isNotEmpty(_for.getMultipleSeparator()));
params.put("restUrl", picker.getUrl(context, null)); // rest service URL
params.put("useRemoteData", picker.isUseRemoteData());
params.put("placeHolder", picker.getPlaceHolder());
params.put("allowClearing", picker.isAllowClearing());
params.put("formatSelection", picker.getFormatSelection());
params.put("formatResult", picker.getFormatResult());
params.put("isNativeSelect", false);
String lw = picker.getListWidth();
if (StringUtil.isNotEmpty(lw)) {
params.put("listWidth", lw); // $NON-NLS-1$
}
int maxRowCount = picker.getMaxRowCount();
if (maxRowCount > 0) {
params.put("maxRowCount", maxRowCount); // $NON-NLS-1$
}
try {
// writer.writeText("dojo.addOnLoad( function() { initSelect2(" +
// JsonGenerator.toJson(JsonJavaFactory.instanceEx, params) + "); } );", null);
writer.writeText(
"XSP.initSelect2Picker("
+ JsonGenerator.toJson(JsonJavaFactory.instanceEx, params)
+ ");",
null);
} catch (JsonException e) {
}
writer.endElement("script");
newLine(writer);
}
}