gistfile1.js

App.Controllers.InstallationConfigurationsIndexController = Frontend.AppController.extend({
    _installation: null,
    startup: function() {
	      // This variable has been assigned from the CakePHP Controller action.
        this._installation = this.getVar('installation');
        this.$('.btn-add-fixture').click(this._onAddFixture.bind(this));
    },
    _onAddFixture: function() {
        var url = {
            controller: 'InstallationConfigurations',
            action: 'chooseFixture',
            pass: [this._installation.id]
        };
        this.openDialog(url);
    },
    onFixtureChosen: function(fixtureId) {
        var url = {
            controller: 'InstallationConfigurations',
            action: 'addFixtureToInstallation',
            pass: [this._installation.id]
        };
        var postData = {
            fixtureId: fixtureId
        };
        App.Main.UIBlocker.blockElement(this._dom);
        App.Main.request(url, postData, function(response) {
            if(this.parentController) {
                this.parentController.loadFixturesTab();
            }
        }.bind(this));
    }
});