Page Comparison

fluid.defaults("tutorials.eventedComponent", {
    gradeNames: ["fluid.eventedComponent", "autoInit"],
    ...
    events: {
        onAnAction: null,
        afterAnAction: null,
        onAnotherAction: "preventable",
        afterAnotherAction: null
    }
});

// Declare the events in the defaults
fluid.defaults("tutorials.recordEditor", {
    gradeNames: ["fluid.eventedComponent", "autoInit"],
    ...
    events: {
        afterSave: null,
        onRemove: "preventable",
        afterRemove: null
    }
});

// Declare the events in the defaults
fluid.defaults("tutorials.recordEditor", {
    gradeNames: ["fluid.eventedComponent", "autoInit"],
    events: {
        afterSave: null,
        onRemove: "preventable",
        afterRemove: null
    },
    finalInitFunction: "tutorials.recordEditor.finalInit"
});

// Add public methods that will fire events when they do things
tutorials.recordEditor.finalInit = function (that) {
    that.save = function () {
        // save stuff
        // ...
        // let anyone listening know the save has happened:
        that.events.afterSave.fire();
    };
    
    that.remove = function () {
        // see if anyone listening objects to the removal:
        var prevent = that.events.onRemove.fire();
        if (prevent === false) {
            // a listener prevented the move,
            // don't do it
        }
        else {
            // no one objects, go ahead and remove
            // ...
            // let listeners know that the remove has completed
            that.events.afterRemove.fire();
        }
    };
};

fluid.defaults("tutorials.currencyConverter", {
    gradeNames: ["fluid.modelComponent", "fluid.eventedComponent", "autoInit"],
    model: {
        rates: {
            euro: 0.712,
            yen: 81.841,
            yuan: 6.609,
            usd: 1.02,
            rupee: 45.789
        },
        currentSelection: "euro",
        amount: 0,
        convertedAmount: 0
    },
    events: {
        conversionUpdated: null
    },
    finalInitFunction: "tutorials.currencyConverter.finalInit"
});

tutorials.currencyConverter.finalInit = function (that) {

    // Add methods to the component object
    that.updateCurrency = function (newCurrency) {
        that.applier.requestChange("currentSelection", newCurrency);
    };

    that.updateRate = function (currency, newRate) {
        that.applier.requestChange("rates." + currency, newRate);
    };

    that.convert = function (amount) {
        var convertedAmount = amount * that.model.rates[that.model.currentSelection];
        that.applier.requestChange("convertedAmount", convertedAmount);
        return amount;
    };

    that.applier.modelChanged.addListener("convertedAmount", function (model, oldModel, changeRequest) {
        that.events.conversionUpdated.fire(model.convertedAmount);
    });
};