Class TimelineModel

src/component/timeline/TimelineModel.ts:173–338

    data?: (OptionDataValue | TimelineDataItemOption)[]
}
class TimelineModel extends ComponentModel<TimelineOption> {

    static type = 'timeline';
    type = TimelineModel.type;

    layoutMode = 'box';

    private _data: SeriesData<TimelineModel>;

    private _names: string[];

    /**
     * @override
     */
    init(option: TimelineOption, parentModel: Model, ecModel: GlobalModel) {
        this.mergeDefaultAndTheme(option, ecModel);
        this._initData();
    }

    /**
     * @override
     */
    mergeOption(option: TimelineOption) {
        super.mergeOption.apply(this, arguments as any);
        this._initData();
    }

    setCurrentIndex(currentIndex: number) {
        if (currentIndex == null) {
            currentIndex = this.option.currentIndex;
        }
        const count = this._data.count();

        if (this.option.loop) {
            currentIndex = (currentIndex % count + count) % count;
        }
        else {
            currentIndex >= count && (currentIndex = count - 1);
            currentIndex < 0 && (currentIndex = 0);
        }

        this.option.currentIndex = currentIndex;
    }

    /**
     * @return {number} currentIndex
     */
    getCurrentIndex() {
        return this.option.currentIndex;
    }

    /**
     * @return {boolean}
     */
    isIndexMax() {
        return this.getCurrentIndex() >= this._data.count() - 1;
    }