/**

 * 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();

	});

    }

}