define([
    "../../widgets/TabbedBrowser",
    "../classes/categories",
    "../classes/questions",
    "../classes/topics",
    "dojo/_base/array",
    "dojo/_base/declare",
    "dojo/_base/lang"
], function(TabbedBrowser, categories, questions, topics, array, declare, lang) {
    return declare([TabbedBrowser],{
        tabPosition: 'left-h',
        include: null,
        dndType: "question",
        getCategories: function(){
            var opts = {};
            if ( this.include ) { opts[this.include] = true; }
            return categories.query(opts);
        },
        getCategoryName: function(category){ return category.name; },
        getCategoryCount: function(category){ return category.count; },
        getTopics: function(category) {
            var opts = {category:category.name};
            if ( this.include ) { opts[this.include] = true; }
            return topics.query(opts);
        },
        getTopicName: function(topic){ return topic.name; },
        getTopicCount: function(topic){ return topic.count; },
        getItems: function(category,topic) {
            var opts = {category:category.name,topic:topic.name};
            if ( this.include ) { opts[this.include] = true; }
            return questions.query(opts);
        },
        getItemName: function(item) {
            var title = '['+item.code+']'+item.title;
            if ( !this.include && !item.publicationDate ) {
                title += ' (*)';
            }
            return title;
        },
        areItemsEqual: function(i1,i2) {
            return questions.getId(i1) === questions.getId(i2);
        }
    });
});