lmd/examples/demos/emberjs_lmd/js/controllers/todo_controller.js

LMD: Lazy Module Declaration

var Ember = require('ember');

module.exports = Ember.ObjectController.extend({
    isEditing: false,

    // We use the bufferedTitle to store the original value of
    // the model's title so that we can roll it back later in the
    // `cancelEditing` action.
    bufferedTitle: Ember.computed.oneWay('title'),

    actions: {
        editTodo: function () {
            this.set('isEditing', true);
        },

        doneEditing: function () {
            var bufferedTitle = this.get('bufferedTitle').trim();

            if (Ember.isEmpty(bufferedTitle)) {
                // The `doneEditing` action gets sent twice when the user hits
                // enter (once via 'insert-newline' and once via 'focus-out').
                //
                // We debounce our call to 'removeTodo' so that it only gets
                // made once.
                Ember.run.debounce(this, 'removeTodo', 0);
            } else {
                var todo = this.get('model');
                todo.set('title', bufferedTitle);
                todo.save();
            }

            // Re-set our newly edited title to persist its trimmed version
            this.set('bufferedTitle', bufferedTitle);
            this.set('isEditing', false);
        },

        cancelEditing: function () {
            this.set('bufferedTitle', this.get('title'));
            this.set('isEditing', false);
        },

        removeTodo: function () {
            this.removeTodo();
        }
    },

    removeTodo: function () {
        var todo = this.get('model');

        todo.deleteRecord();
        todo.save();
    },

    saveWhenCompleted: function () {
        this.get('model').save();
    }.observes('isCompleted')
});