@rcsb/rcsb-saguaro/lib/RcsbBoard/RcsbSelection.js

RCSB 1D Feature Viewer

//TODO add a callback for the 'hover' case
export class RcsbSelection {
    constructor() {
        this.selectedElements = new Array();
        this.hoverHighlightElements = new Array();
    }
    setSelectionChangeCallback(f) {
        this.selectionChangeCallback = f;
    }
    getSelected(mode) {
        if (mode == null || mode === 'select')
            return this.selectedElements;
        else
            return this.hoverHighlightElements;
    }
    setSelected(elements, mode) {
        if (mode == null || mode === 'select') {
            if (elements instanceof Array) {
                this.selectedElements = elements;
            }
            else {
                this.selectedElements = [elements];
            }
        }
        else {
            if (elements instanceof Array) {
                this.hoverHighlightElements = elements;
            }
            else {
                this.hoverHighlightElements = [elements];
            }
        }
        this.callback(mode);
    }
    addSelected(elements, mode, replaceLast) {
        if (mode == null || mode === 'select') {
            if (elements instanceof Array) {
                this.selectedElements = this.selectedElements.concat(elements);
            }
            else {
                if (replaceLast)
                    this.selectedElements[this.selectedElements.length - 1].rcsbFvTrackDataElement = elements.rcsbFvTrackDataElement;
                else
                    this.selectedElements.push(elements);
            }
        }
        else {
            if (elements instanceof Array) {
                this.hoverHighlightElements = this.selectedElements.concat(elements);
            }
            else {
                this.hoverHighlightElements.push(elements);
            }
        }
        this.callback(mode);
    }
    clearSelection(mode) {
        if (mode == null || mode === 'select') {
            this.selectedElements = new Array();
        }
        else {
            this.hoverHighlightElements = new Array();
        }
        this.callback(mode);
    }
    reset() {
        this.selectedElements = new Array();
        this.hoverHighlightElements = new Array();
    }
    callback(mode) {
        if (mode == null || mode === 'select') {
            if (typeof this.selectionChangeCallback === "function") {
                this.selectionChangeCallback(this.selectedElements.map(e => e.rcsbFvTrackDataElement));
            }
        }
    }
}