/**

 * VigiBoard, composant de Vigilo.

 * (c) CSSI 2009-2010 <contact@projet-vigilo.org>

 * Licence : GNU GPL v2 ou superieure

 * 

 */

/*

 * Affichage en arbre des groupes.

 */

var TreeGroup = new Class({

    Implements: [Options, Events],

    initialize: function(options) {

        this.setOptions(options);

        /* L'objet tree se réfère à un élément div*/

        var container = new Element('div')

        this.tree = new Jx.Tree({parent: container});

        this.dlg = new Jx.Dialog({

            label: this.options.title,

            modal: true,

            content: container,

        });

        var req = new Request.JSON({

            method: "get",

            url: this.options.url,

            onSuccess: function(groups) {

                groups = new Hash(groups.groups);

                $each(groups, function(item, key) {

                    this.addItem(key, item, this.tree);

                }, this);

            }.bind(this)

        });

        req.send();

    },

    /* Ajout d'un element à l'arbre */

    addItem: function(idgroup, data, parent) {

        var subfolder;

        var children = new Hash(data.children);

        if (children.getLength()) {

            subfolder = new Jx.TreeFolder({

                label: data.name,

                data: idgroup,

                image: this.options.app_path+"images/map-list.png",

            });

        }

        else {

            subfolder = new Jx.TreeItem({

                label: data.name,

                data: idgroup,

                image: this.options.app_path+"images/map.png",

            });

        }

        subfolder.addEvent("click", function() {

            this.fireEvent('select', [subfolder]);

            this.dlg.close();

            return false;

        }.bind(this));

        parent.append(subfolder);

        $each(children, function(item, key) {

            this.addItem(key, item, subfolder);

        }, this);

    },

    selectGroup: function() {

        this.dlg.open();

    }

});