All files / src/components/zd-tree-grid iterable-tree.ts

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import { IIterableTree, ITreeGrid } from './interfaces';
 
export class IterableTree implements IIterableTree {
	private treeGrid: ITreeGrid;
 
	viewUpdateScrollData?: () => void;
 
	constructor(treeGrid: ITreeGrid) {
		this.treeGrid = treeGrid;
	}
 
	onMounted(): void {
		if (!this.treeGrid.lazyLoad || this.treeGrid.getData().length) {
			this.buildTree();
		}
	}
 
	buildTree(doGet = true): void {
		if (!doGet) {
			this.treeGrid.buildTreeStructure();
			return;
		}
 
		if (!this.treeGrid.fetchOnDemand) {
			this.treeGrid.reload();
			return;
		}
 
		this.treeGrid.filterRootData();
	}
 
	setViewUpdateScrollData(fn: () => void) {
		this.viewUpdateScrollData = fn;
	}
 
	updateScrollData(): void {
		if (this.treeGrid.virtualScroll && this.viewUpdateScrollData) this.viewUpdateScrollData();
	}
}