@blackbaud/angular-tree-component
Version:
A simple yet powerful tree component for Angular 14+
197 lines • 25.3 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { Injectable } from '@angular/core';
import { observable, computed, action, autorun, reaction } from 'mobx';
import { TREE_EVENTS } from '../constants/events';
import * as i0 from "@angular/core";
import * as i1 from "./tree.model";
const Y_OFFSET = 500; // Extra pixels outside the viewport, in each direction, to render nodes in
const Y_EPSILON = 150; // Minimum pixel change required to recalculate the rendered nodes
export class TreeVirtualScroll {
constructor(treeModel) {
this.treeModel = treeModel;
this.yBlocks = 0;
this.x = 0;
this.viewportHeight = null;
this.viewport = null;
treeModel.virtualScroll = this;
this._dispose = [autorun(() => this.fixScroll())];
}
get y() {
return this.yBlocks * Y_EPSILON;
}
get totalHeight() {
return this.treeModel.virtualRoot ? this.treeModel.virtualRoot.height : 0;
}
fireEvent(event) {
this.treeModel.fireEvent(event);
}
init() {
const fn = this.recalcPositions.bind(this);
fn();
this._dispose = [
...this._dispose,
reaction(() => this.treeModel.roots, fn),
reaction(() => this.treeModel.expandedNodeIds, fn),
reaction(() => this.treeModel.hiddenNodeIds, fn)
];
this.treeModel.subscribe(TREE_EVENTS.loadNodeChildren, fn);
}
isEnabled() {
return this.treeModel.options.useVirtualScroll;
}
_setYBlocks(value) {
this.yBlocks = value;
}
recalcPositions() {
this.treeModel.virtualRoot.height = this._getPositionAfter(this.treeModel.getVisibleRoots(), 0);
}
_getPositionAfter(nodes, startPos) {
let position = startPos;
nodes.forEach((node) => {
node.position = position;
position = this._getPositionAfterNode(node, position);
});
return position;
}
_getPositionAfterNode(node, startPos) {
let position = node.getSelfHeight() + startPos;
if (node.children && node.isExpanded) { // TBD: consider loading component as well
position = this._getPositionAfter(node.visibleChildren, position);
}
node.height = position - startPos;
return position;
}
clear() {
this._dispose.forEach((d) => d());
}
setViewport(viewport) {
Object.assign(this, {
viewport,
x: viewport.scrollLeft,
yBlocks: Math.round(viewport.scrollTop / Y_EPSILON),
viewportHeight: viewport.getBoundingClientRect ? viewport.getBoundingClientRect().height : 0
});
}
scrollIntoView(node, force, scrollToMiddle = true) {
if (node.options.scrollContainer) {
const scrollContainer = node.options.scrollContainer;
const scrollContainerHeight = scrollContainer.getBoundingClientRect().height;
const scrollContainerTop = scrollContainer.getBoundingClientRect().top;
const nodeTop = this.viewport.getBoundingClientRect().top + node.position - scrollContainerTop;
if (force || // force scroll to node
nodeTop < scrollContainer.scrollTop || // node is above scroll container
nodeTop + node.getSelfHeight() > scrollContainer.scrollTop + scrollContainerHeight) { // node is below container
scrollContainer.scrollTop = scrollToMiddle ?
nodeTop - scrollContainerHeight / 2 : // scroll to middle
nodeTop; // scroll to start
}
}
else {
if (force || // force scroll to node
node.position < this.y || // node is above viewport
node.position + node.getSelfHeight() > this.y + this.viewportHeight) { // node is below viewport
if (this.viewport) {
this.viewport.scrollTop = scrollToMiddle ?
node.position - this.viewportHeight / 2 : // scroll to middle
node.position; // scroll to start
this._setYBlocks(Math.floor(this.viewport.scrollTop / Y_EPSILON));
}
}
}
}
getViewportNodes(nodes) {
if (!nodes)
return [];
const visibleNodes = nodes.filter((node) => !node.isHidden);
if (!this.isEnabled())
return visibleNodes;
if (!this.viewportHeight || !visibleNodes.length)
return [];
// When loading children async this method is called before their height and position is calculated.
// In that case firstIndex === 0 and lastIndex === visibleNodes.length - 1 (e.g. 1000),
// which means that it loops through every visibleNodes item and push them into viewportNodes array.
// We can prevent nodes from being pushed to the array and wait for the appropriate calculations to take place
const lastVisibleNode = visibleNodes.slice(-1)[0];
if (!lastVisibleNode.height && lastVisibleNode.position === 0)
return [];
// Search for first node in the viewport using binary search
// Look for first node that starts after the beginning of the viewport (with buffer)
// Or that ends after the beginning of the viewport
const firstIndex = binarySearch(visibleNodes, (node) => {
return (node.position + Y_OFFSET > this.y) ||
(node.position + node.height > this.y);
});
// Search for last node in the viewport using binary search
// Look for first node that starts after the end of the viewport (with buffer)
const lastIndex = binarySearch(visibleNodes, (node) => {
return node.position - Y_OFFSET > this.y + this.viewportHeight;
}, firstIndex);
const viewportNodes = [];
for (let i = firstIndex; i <= lastIndex; i++) {
viewportNodes.push(visibleNodes[i]);
}
return viewportNodes;
}
fixScroll() {
const maxY = Math.max(0, this.totalHeight - this.viewportHeight);
if (this.y < 0)
this._setYBlocks(0);
if (this.y > maxY)
this._setYBlocks(maxY / Y_EPSILON);
}
}
/** @nocollapse */ TreeVirtualScroll.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: TreeVirtualScroll, deps: [{ token: i1.TreeModel }], target: i0.ɵɵFactoryTarget.Injectable });
/** @nocollapse */ TreeVirtualScroll.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: TreeVirtualScroll });
__decorate([
observable
], TreeVirtualScroll.prototype, "yBlocks", void 0);
__decorate([
observable
], TreeVirtualScroll.prototype, "x", void 0);
__decorate([
observable
], TreeVirtualScroll.prototype, "viewportHeight", void 0);
__decorate([
computed
], TreeVirtualScroll.prototype, "y", null);
__decorate([
computed
], TreeVirtualScroll.prototype, "totalHeight", null);
__decorate([
action
], TreeVirtualScroll.prototype, "_setYBlocks", null);
__decorate([
action
], TreeVirtualScroll.prototype, "recalcPositions", null);
__decorate([
action
], TreeVirtualScroll.prototype, "setViewport", null);
__decorate([
action
], TreeVirtualScroll.prototype, "scrollIntoView", null);
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: TreeVirtualScroll, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: i1.TreeModel }]; }, propDecorators: { yBlocks: [], x: [], viewportHeight: [], y: [], totalHeight: [], _setYBlocks: [], recalcPositions: [], setViewport: [], scrollIntoView: [] } });
function binarySearch(nodes, condition, firstIndex = 0) {
let index = firstIndex;
let toIndex = nodes.length - 1;
while (index !== toIndex) {
let midIndex = Math.floor((index + toIndex) / 2);
if (condition(nodes[midIndex])) {
toIndex = midIndex;
}
else {
if (index === midIndex)
index = toIndex;
else
index = midIndex;
}
}
return index;
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"tree-virtual-scroll.model.js","sourceRoot":"","sources":["../../../../../projects/angular-tree-component/src/lib/models/tree-virtual-scroll.model.ts"],"names":[],"mappings":";;;;;;AAAA,OAAO,EAAE,UAAU,EAAE,MAAM,eAAe,CAAC;AAC3C,OAAO,EAAE,UAAU,EAAE,QAAQ,EAAE,MAAM,EAAE,OAAO,EAAE,QAAQ,EAAE,MAAM,MAAM,CAAC;AAEvE,OAAO,EAAE,WAAW,EAAE,MAAM,qBAAqB,CAAC;;;AAElD,MAAM,QAAQ,GAAG,GAAG,CAAC,CAAC,2EAA2E;AACjG,MAAM,SAAS,GAAG,GAAG,CAAC,CAAC,kEAAkE;AAGzF,MAAM,OAAO,iBAAiB;IAgB5B,YAAoB,SAAoB;QAApB,cAAS,GAAT,SAAS,CAAW;QAb5B,YAAO,GAAG,CAAC,CAAC;QACZ,MAAC,GAAG,CAAC,CAAC;QACN,mBAAc,GAAG,IAAI,CAAC;QAClC,aAAQ,GAAG,IAAI,CAAC;QAWd,SAAS,CAAC,aAAa,GAAG,IAAI,CAAC;QAC/B,IAAI,CAAC,QAAQ,GAAG,CAAC,OAAO,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC;IACpD,CAAC;QAXa,CAAC;QACb,OAAO,IAAI,CAAC,OAAO,GAAG,SAAS,CAAC;IAClC,CAAC;QAEa,WAAW;QACvB,OAAO,IAAI,CAAC,SAAS,CAAC,WAAW,CAAC,CAAC,CAAC,IAAI,CAAC,SAAS,CAAC,WAAW,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,CAAC;IAC5E,CAAC;IAOD,SAAS,CAAC,KAAK;QACb,IAAI,CAAC,SAAS,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC;IAClC,CAAC;IAED,IAAI;QACF,MAAM,EAAE,GAAG,IAAI,CAAC,eAAe,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;QAE3C,EAAE,EAAE,CAAC;QACL,IAAI,CAAC,QAAQ,GAAG;YACd,GAAG,IAAI,CAAC,QAAQ;YAChB,QAAQ,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,SAAS,CAAC,KAAK,EAAE,EAAE,CAAC;YACxC,QAAQ,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,SAAS,CAAC,eAAe,EAAE,EAAE,CAAC;YAClD,QAAQ,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,SAAS,CAAC,aAAa,EAAE,EAAE,CAAC;SACjD,CAAC;QACF,IAAI,CAAC,SAAS,CAAC,SAAS,CAAC,WAAW,CAAC,gBAAgB,EAAE,EAAE,CAAC,CAAC;IAC7D,CAAC;IAED,SAAS;QACP,OAAO,IAAI,CAAC,SAAS,CAAC,OAAO,CAAC,gBAAgB,CAAC;IACjD,CAAC;IAEe,WAAW,CAAC,KAAK;QAC/B,IAAI,CAAC,OAAO,GAAG,KAAK,CAAC;IACvB,CAAC;IAEO,eAAe;QACrB,IAAI,CAAC,SAAS,CAAC,WAAW,CAAC,MAAM,GAAG,IAAI,CAAC,iBAAiB,CAAC,IAAI,CAAC,SAAS,CAAC,eAAe,EAAE,EAAE,CAAC,CAAC,CAAC;IAClG,CAAC;IAEO,iBAAiB,CAAC,KAAK,EAAE,QAAQ;QACvC,IAAI,QAAQ,GAAG,QAAQ,CAAC;QAExB,KAAK,CAAC,OAAO,CAAC,CAAC,IAAI,EAAE,EAAE;YACrB,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;YACzB,QAAQ,GAAG,IAAI,CAAC,qBAAqB,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC;QACxD,CAAC,CAAC,CAAC;QACH,OAAO,QAAQ,CAAC;IAClB,CAAC;IAEO,qBAAqB,CAAC,IAAI,EAAE,QAAQ;QAC1C,IAAI,QAAQ,GAAG,IAAI,CAAC,aAAa,EAAE,GAAG,QAAQ,CAAC;QAE/C,IAAI,IAAI,CAAC,QAAQ,IAAI,IAAI,CAAC,UAAU,EAAE,EAAE,0CAA0C;YAChF,QAAQ,GAAG,IAAI,CAAC,iBAAiB,CAAC,IAAI,CAAC,eAAe,EAAE,QAAQ,CAAC,CAAC;SACnE;QACD,IAAI,CAAC,MAAM,GAAG,QAAQ,GAAG,QAAQ,CAAC;QAClC,OAAO,QAAQ,CAAC;IAClB,CAAC;IAGD,KAAK;QACH,IAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,EAAE,CAAC,CAAC;IACpC,CAAC;IAEO,WAAW,CAAC,QAAQ;QAC1B,MAAM,CAAC,MAAM,CAAC,IAAI,EAAE;YAClB,QAAQ;YACR,CAAC,EAAE,QAAQ,CAAC,UAAU;YACtB,OAAO,EAAE,IAAI,CAAC,KAAK,CAAC,QAAQ,CAAC,SAAS,GAAG,SAAS,CAAC;YACnD,cAAc,EAAE,QAAQ,CAAC,qBAAqB,CAAC,CAAC,CAAC,QAAQ,CAAC,qBAAqB,EAAE,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC;SAC7F,CAAC,CAAC;IACL,CAAC;IAEO,cAAc,CAAC,IAAI,EAAE,KAAK,EAAE,cAAc,GAAG,IAAI;QACvD,IAAI,IAAI,CAAC,OAAO,CAAC,eAAe,EAAE;YAChC,MAAM,eAAe,GAAG,IAAI,CAAC,OAAO,CAAC,eAAe,CAAC;YACrD,MAAM,qBAAqB,GAAG,eAAe,CAAC,qBAAqB,EAAE,CAAC,MAAM,CAAC;YAC7E,MAAM,kBAAkB,GAAG,eAAe,CAAC,qBAAqB,EAAE,CAAC,GAAG,CAAC;YACvE,MAAM,OAAO,GAAG,IAAI,CAAC,QAAQ,CAAC,qBAAqB,EAAE,CAAC,GAAG,GAAG,IAAI,CAAC,QAAQ,GAAG,kBAAkB,CAAC;YAE/F,IAAI,KAAK,IAAI,uBAAuB;gBAClC,OAAO,GAAG,eAAe,CAAC,SAAS,IAAI,iCAAiC;gBACxE,OAAO,GAAG,IAAI,CAAC,aAAa,EAAE,GAAG,eAAe,CAAC,SAAS,GAAG,qBAAqB,EAAE,EAAE,0BAA0B;gBAChH,eAAe,CAAC,SAAS,GAAG,cAAc,CAAC,CAAC;oBAC1C,OAAO,GAAG,qBAAqB,GAAG,CAAC,CAAC,CAAC,CAAC,mBAAmB;oBACzD,OAAO,CAAC,CAAC,kBAAkB;aAC9B;SACF;aAAM;YACL,IAAI,KAAK,IAAI,uBAAuB;gBAClC,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC,CAAC,IAAI,yBAAyB;gBACnD,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC,aAAa,EAAE,GAAG,IAAI,CAAC,CAAC,GAAG,IAAI,CAAC,cAAc,EAAE,EAAE,yBAAyB;gBAChG,IAAI,IAAI,CAAC,QAAQ,EAAE;oBACjB,IAAI,CAAC,QAAQ,CAAC,SAAS,GAAG,cAAc,CAAC,CAAC;wBAC1C,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC,cAAc,GAAG,CAAC,CAAC,CAAC,CAAC,mBAAmB;wBAC7D,IAAI,CAAC,QAAQ,CAAC,CAAC,kBAAkB;oBAEjC,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,QAAQ,CAAC,SAAS,GAAG,SAAS,CAAC,CAAC,CAAC;iBACnE;aACF;SACF;IACH,CAAC;IAED,gBAAgB,CAAC,KAAK;QACpB,IAAI,CAAC,KAAK;YAAE,OAAO,EAAE,CAAC;QAEtB,MAAM,YAAY,GAAG,KAAK,CAAC,MAAM,CAAC,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;QAE5D,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE;YAAE,OAAO,YAAY,CAAC;QAE3C,IAAI,CAAC,IAAI,CAAC,cAAc,IAAI,CAAC,YAAY,CAAC,MAAM;YAAE,OAAO,EAAE,CAAC;QAE5D,oGAAoG;QACpG,uFAAuF;QACvF,oGAAoG;QACpG,8GAA8G;QAC9G,MAAM,eAAe,GAAG,YAAY,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAA;QACjD,IAAI,CAAC,eAAe,CAAC,MAAM,IAAI,eAAe,CAAC,QAAQ,KAAK,CAAC;YAAE,OAAO,EAAE,CAAC;QAEzE,4DAA4D;QAC5D,oFAAoF;QACpF,mDAAmD;QACnD,MAAM,UAAU,GAAG,YAAY,CAAC,YAAY,EAAE,CAAC,IAAI,EAAE,EAAE;YACrD,OAAO,CAAC,IAAI,CAAC,QAAQ,GAAG,QAAQ,GAAG,IAAI,CAAC,CAAC,CAAC;gBACnC,CAAC,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC,MAAM,GAAG,IAAI,CAAC,CAAC,CAAC,CAAC;QAChD,CAAC,CAAC,CAAC;QAEH,2DAA2D;QAC3D,8EAA8E;QAC9E,MAAM,SAAS,GAAG,YAAY,CAAC,YAAY,EAAE,CAAC,IAAI,EAAE,EAAE;YACpD,OAAO,IAAI,CAAC,QAAQ,GAAG,QAAQ,GAAG,IAAI,CAAC,CAAC,GAAG,IAAI,CAAC,cAAc,CAAC;QACjE,CAAC,EAAE,UAAU,CAAC,CAAC;QAEf,MAAM,aAAa,GAAG,EAAE,CAAC;QAEzB,KAAK,IAAI,CAAC,GAAG,UAAU,EAAE,CAAC,IAAI,SAAS,EAAE,CAAC,EAAE,EAAE;YAC5C,aAAa,CAAC,IAAI,CAAC,YAAY,CAAC,CAAC,CAAC,CAAC,CAAC;SACrC;QAED,OAAO,aAAa,CAAC;IACvB,CAAC;IAED,SAAS;QACP,MAAM,IAAI,GAAG,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,IAAI,CAAC,WAAW,GAAG,IAAI,CAAC,cAAc,CAAC,CAAC;QAEjE,IAAI,IAAI,CAAC,CAAC,GAAG,CAAC;YAAE,IAAI,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC;QACpC,IAAI,IAAI,CAAC,CAAC,GAAG,IAAI;YAAE,IAAI,CAAC,WAAW,CAAC,IAAI,GAAG,SAAS,CAAC,CAAC;IACxD,CAAC;;iIA7JU,iBAAiB;qIAAjB,iBAAiB;;IAG3B,UAAU;kDAAa;;IACvB,UAAU;4CAAO;;IACjB,UAAU;yDAAuB;;IAGjC,QAAQ;0CAER;;IAEA,QAAQ;oDAER;;IA4BA,MAAM;oDAEN;;IAEA,MAAM;wDAEN;;IA2BA,MAAM;oDAON;;IAEA,MAAM;uDA2BN;2FA/GU,iBAAiB;kBAD7B,UAAU;gGAIG,OAAO,MACP,CAAC,MACD,cAAc,MAGZ,CAAC,MAID,WAAW,MA8BT,WAAW,MAInB,eAAe,MA6Bf,WAAW,MASX,cAAc;AA4ExB,SAAS,YAAY,CAAC,KAAK,EAAE,SAAS,EAAE,UAAU,GAAG,CAAC;IACpD,IAAI,KAAK,GAAG,UAAU,CAAC;IACvB,IAAI,OAAO,GAAG,KAAK,CAAC,MAAM,GAAG,CAAC,CAAC;IAE/B,OAAO,KAAK,KAAK,OAAO,EAAE;QACxB,IAAI,QAAQ,GAAG,IAAI,CAAC,KAAK,CAAC,CAAC,KAAK,GAAG,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC;QAEjD,IAAI,SAAS,CAAC,KAAK,CAAC,QAAQ,CAAC,CAAC,EAAE;YAC9B,OAAO,GAAG,QAAQ,CAAC;SACpB;aACI;YACH,IAAI,KAAK,KAAK,QAAQ;gBAAE,KAAK,GAAG,OAAO,CAAC;;gBACnC,KAAK,GAAG,QAAQ,CAAC;SACvB;KACF;IACD,OAAO,KAAK,CAAC;AACf,CAAC","sourcesContent":["import { Injectable } from '@angular/core';\nimport { observable, computed, action, autorun, reaction } from 'mobx';\nimport { TreeModel } from './tree.model';\nimport { TREE_EVENTS } from '../constants/events';\n\nconst Y_OFFSET = 500; // Extra pixels outside the viewport, in each direction, to render nodes in\nconst Y_EPSILON = 150; // Minimum pixel change required to recalculate the rendered nodes\n\n@Injectable()\nexport class TreeVirtualScroll {\n  private _dispose: any;\n\n  @observable yBlocks = 0;\n  @observable x = 0;\n  @observable viewportHeight = null;\n  viewport = null;\n\n  @computed get y() {\n    return this.yBlocks * Y_EPSILON;\n  }\n\n  @computed get totalHeight() {\n    return this.treeModel.virtualRoot ? this.treeModel.virtualRoot.height : 0;\n  }\n\n  constructor(private treeModel: TreeModel) {\n    treeModel.virtualScroll = this;\n    this._dispose = [autorun(() => this.fixScroll())];\n  }\n\n  fireEvent(event) {\n    this.treeModel.fireEvent(event);\n  }\n\n  init() {\n    const fn = this.recalcPositions.bind(this);\n\n    fn();\n    this._dispose = [\n      ...this._dispose,\n      reaction(() => this.treeModel.roots, fn),\n      reaction(() => this.treeModel.expandedNodeIds, fn),\n      reaction(() => this.treeModel.hiddenNodeIds, fn)\n    ];\n    this.treeModel.subscribe(TREE_EVENTS.loadNodeChildren, fn);\n  }\n\n  isEnabled() {\n    return this.treeModel.options.useVirtualScroll;\n  }\n\n  @action private _setYBlocks(value) {\n    this.yBlocks = value;\n  }\n\n  @action recalcPositions() {\n    this.treeModel.virtualRoot.height = this._getPositionAfter(this.treeModel.getVisibleRoots(), 0);\n  }\n\n  private _getPositionAfter(nodes, startPos) {\n    let position = startPos;\n\n    nodes.forEach((node) => {\n      node.position = position;\n      position = this._getPositionAfterNode(node, position);\n    });\n    return position;\n  }\n\n  private _getPositionAfterNode(node, startPos) {\n    let position = node.getSelfHeight() + startPos;\n\n    if (node.children && node.isExpanded) { // TBD: consider loading component as well\n      position = this._getPositionAfter(node.visibleChildren, position);\n    }\n    node.height = position - startPos;\n    return position;\n  }\n\n\n  clear() {\n    this._dispose.forEach((d) => d());\n  }\n\n  @action setViewport(viewport) {\n    Object.assign(this, {\n      viewport,\n      x: viewport.scrollLeft,\n      yBlocks: Math.round(viewport.scrollTop / Y_EPSILON),\n      viewportHeight: viewport.getBoundingClientRect ? viewport.getBoundingClientRect().height : 0\n    });\n  }\n\n  @action scrollIntoView(node, force, scrollToMiddle = true) {\n    if (node.options.scrollContainer) {\n      const scrollContainer = node.options.scrollContainer;\n      const scrollContainerHeight = scrollContainer.getBoundingClientRect().height;\n      const scrollContainerTop = scrollContainer.getBoundingClientRect().top;\n      const nodeTop = this.viewport.getBoundingClientRect().top + node.position - scrollContainerTop;\n\n      if (force || // force scroll to node\n        nodeTop < scrollContainer.scrollTop || // node is above scroll container\n        nodeTop + node.getSelfHeight() > scrollContainer.scrollTop + scrollContainerHeight) { // node is below container\n        scrollContainer.scrollTop = scrollToMiddle ?\n          nodeTop - scrollContainerHeight / 2 : // scroll to middle\n          nodeTop; // scroll to start\n      }\n    } else {\n      if (force || // force scroll to node\n        node.position < this.y || // node is above viewport\n        node.position + node.getSelfHeight() > this.y + this.viewportHeight) { // node is below viewport\n        if (this.viewport) {\n          this.viewport.scrollTop = scrollToMiddle ?\n          node.position - this.viewportHeight / 2 : // scroll to middle\n          node.position; // scroll to start\n\n          this._setYBlocks(Math.floor(this.viewport.scrollTop / Y_EPSILON));\n        }\n      }\n    }\n  }\n\n  getViewportNodes(nodes) {\n    if (!nodes) return [];\n\n    const visibleNodes = nodes.filter((node) => !node.isHidden);\n\n    if (!this.isEnabled()) return visibleNodes;\n\n    if (!this.viewportHeight || !visibleNodes.length) return [];\n\n    // When loading children async this method is called before their height and position is calculated.\n    // In that case firstIndex === 0 and lastIndex === visibleNodes.length - 1 (e.g. 1000),\n    // which means that it loops through every visibleNodes item and push them into viewportNodes array.\n    // We can prevent nodes from being pushed to the array and wait for the appropriate calculations to take place\n    const lastVisibleNode = visibleNodes.slice(-1)[0]\n    if (!lastVisibleNode.height && lastVisibleNode.position === 0) return [];\n\n    // Search for first node in the viewport using binary search\n    // Look for first node that starts after the beginning of the viewport (with buffer)\n    // Or that ends after the beginning of the viewport\n    const firstIndex = binarySearch(visibleNodes, (node) => {\n      return (node.position + Y_OFFSET > this.y) ||\n             (node.position + node.height > this.y);\n    });\n\n    // Search for last node in the viewport using binary search\n    // Look for first node that starts after the end of the viewport (with buffer)\n    const lastIndex = binarySearch(visibleNodes, (node) => {\n      return node.position - Y_OFFSET > this.y + this.viewportHeight;\n    }, firstIndex);\n\n    const viewportNodes = [];\n\n    for (let i = firstIndex; i <= lastIndex; i++) {\n      viewportNodes.push(visibleNodes[i]);\n    }\n\n    return viewportNodes;\n  }\n\n  fixScroll() {\n    const maxY = Math.max(0, this.totalHeight - this.viewportHeight);\n\n    if (this.y < 0) this._setYBlocks(0);\n    if (this.y > maxY) this._setYBlocks(maxY / Y_EPSILON);\n  }\n}\n\nfunction binarySearch(nodes, condition, firstIndex = 0) {\n  let index = firstIndex;\n  let toIndex = nodes.length - 1;\n\n  while (index !== toIndex) {\n    let midIndex = Math.floor((index + toIndex) / 2);\n\n    if (condition(nodes[midIndex])) {\n      toIndex = midIndex;\n    }\n    else {\n      if (index === midIndex) index = toIndex;\n      else index = midIndex;\n    }\n  }\n  return index;\n}\n"]}