/**

 * 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();

        });

    }

}