import { ITreeItem } from '../generated-model';

export interface ITreeView {

    dataProvider: ITreeViewDataProvider | null;

    readonly visible: boolean;

    refresh(treeItems?: ITreeItem[]): Promise<void>;

    setVisibility(visible: boolean): void;

    focus(): void;

    layout(height: number): void;

    getOptimalWidth(): number;

    reveal(item: ITreeItem): Promise<void>;

    expand(itemOrItems: ITreeItem | ITreeItem[]): Promise<void>;

    setSelection(items: ITreeItem[]): void;

    setFocus(item: ITreeItem): void;

    getPrimaryActions(): any;

    getSecondaryActions(): any;
}

export interface ITreeItemLabel {

    label: string;

    highlights?: [number, number][];

}

export interface ThemeIcon {
    readonly id: string;
}


export interface ITreeViewDataProvider {

    getChildren(element?: ITreeItem): Promise<ITreeItem[]>;

}