/**
 * Functions for ajax boxes.
 *
 *  :organization: Logilab
 *  :copyright: 2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
 *  :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
 *
 */

function ajaxBoxValidateSelectorInput(boxid, eid, separator, fname, msg) {
    var holderid = cw.utils.domid(boxid) + eid + 'Holder';
    var value = $('#' + holderid + 'Input').val();
    if (separator) {
        value = $.map(value.split(separator), jQuery.trim);
    }
    var d = loadRemote('json', ajaxFuncArgs(fname, null, eid, value));
    d.addCallback(function() {
            $('#' + holderid).empty();
            var formparams = ajaxFuncArgs('render', null, 'boxes', boxid, eid);
            $('#' + cw.utils.domid(boxid) + eid).loadxhtml('json', formparams);
            if (msg) {
                document.location.hash = '#header';
                updateMessage(msg);
            }
        });
}

function ajaxBoxRemoveLinkedEntity(boxid, eid, relatedeid, delfname, msg) {
    var d = loadRemote('json', ajaxFuncArgs(delfname, null, eid, relatedeid));
    d.addCallback(function() {
            var formparams = ajaxFuncArgs('render', null, 'boxes', boxid, eid);
            $('#' + cw.utils.domid(boxid) + eid).loadxhtml('json', formparams);
            if (msg) {
                document.location.hash = '#header';
                updateMessage(msg);
            }
    });
}

function ajaxBoxShowSelector(boxid, eid,
                             unrelfname,
                             addfname, msg,
                             oklabel, cancellabel,
                             separator) {
    var holderid = cw.utils.domid(boxid) + eid + 'Holder';
    var holder = $('#' + holderid);
    if (holder.children().length) {
        holder.empty();
    }
    else {
        var inputid = holderid + 'Input';
        var deferred = loadRemote('json', ajaxFuncArgs(unrelfname, null, eid));
        deferred.addCallback(function (unrelated) {
            var input = INPUT({'type': 'text', 'id': inputid, 'size': 20});
            holder.append(input).show();
            $input = $(input);
            $input.keypress(function (event) {
                if (event.keyCode == KEYS.KEY_ENTER) {
                    // XXX not very user friendly: we should test that the suggestions
                    //     aren't visible anymore
                    ajaxBoxValidateSelectorInput(boxid, eid, separator, addfname, msg);
                }
            });
            var buttons = DIV({'class' : "sgformbuttons"},
                              A({'href' : "javascript: noop();",
                                 'onclick' : cw.utils.strFuncCall('ajaxBoxValidateSelectorInput',
                                                                  boxid, eid, separator, addfname, msg)},
                                  oklabel),
                              ' / ',
                              A({'href' : "javascript: noop();",
                                 'onclick' : '$("#' + holderid + '").empty()'},
                                  cancellabel));
            holder.append(buttons);
            $input.autocomplete(unrelated, {
                multiple: separator,
                max: 15
            });
            $input.focus();
        });
    }
}