Examples with ListProvider org.olat.core.gui.control.generic.ajax.autocompletion.ListProvider used on opensource projects

Example 6 with ListProvider

use of org.olat.core.gui.control.generic.ajax.autocompletion.ListProvider in project openolat by klemens.

the class GUIDemoMainController method handleOwnMenuTreeEvent.

@Override
protected Controller handleOwnMenuTreeEvent(Object uobject, final UserRequest ureq) {
    if (uobject.equals("guidemo-autocompletion")) {
        // for a demo of autocompletion, do a user search
        ListProvider provider = new ListProvider() {

            public void getResult(String searchValue, ListReceiver receiver) {
                Map<String, String> userProperties = new HashMap<String, String>();
                // We can only search in mandatory User-Properties due to problems
                // with hibernate query with join and not existing rows
                userProperties.put(UserConstants.FIRSTNAME, searchValue);
                userProperties.put(UserConstants.LASTNAME, searchValue);
                userProperties.put(UserConstants.EMAIL, searchValue);
                List<Identity> res = BaseSecurityManager.getInstance().getVisibleIdentitiesByPowerSearch(searchValue, userProperties, false, null, null, null, null, null);
                int maxEntries = 15;
                boolean hasMore = false;
                for (Iterator<Identity> it_res = res.iterator(); (hasMore = it_res.hasNext()) && maxEntries > 0; ) {
                    maxEntries--;
                    Identity ident = it_res.next();
                    User u = ident.getUser();
                    String key = ident.getKey().toString();
                    String displayKey = ident.getName();
                    String first = u.getProperty(UserConstants.FIRSTNAME, getLocale());
                    String last = u.getProperty(UserConstants.LASTNAME, getLocale());
                    String displayText = last + " " + first;
                    receiver.addEntry(key, displayKey, displayText, CSSHelper.CSS_CLASS_USER);
                }
                if (hasMore) {
                    receiver.addEntry("-1", ".....");
                }
            }
        };
        Controller c = new AutoCompleterController(ureq, getWindowControl(), provider, null, true, 60, 3, null);
        // for demo only, normally use in parent controller
        c.addControllerListener(new ControllerEventListener() {

            public void dispatchEvent(UserRequest uureq, Controller source, Event event) {
                EntriesChosenEvent ece = (EntriesChosenEvent) event;
                String sel = ece.getEntries().toString();
                getWindowControl().setInfo("selected entrie(s):" + sel);
            }
        });
        return c;
    }
    return null;
}