ringcentral-widgets
Version:
RingCentral Integration Widget Library
842 lines (698 loc) • 31.1 kB
JavaScript
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
require("core-js/modules/es7.symbol.async-iterator");
require("core-js/modules/es6.object.define-properties");
require("core-js/modules/es7.object.get-own-property-descriptors");
require("core-js/modules/es6.array.filter");
require("core-js/modules/es6.symbol");
require("core-js/modules/es6.array.index-of");
require("core-js/modules/es6.object.keys");
require("core-js/modules/es6.object.define-property");
require("core-js/modules/es6.reflect.get");
require("core-js/modules/es6.object.create");
require("core-js/modules/es6.reflect.construct");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.StickyVirtualizedList = void 0;
require("core-js/modules/es6.object.set-prototype-of");
require("core-js/modules/web.dom.iterable");
require("core-js/modules/es6.array.iterator");
require("core-js/modules/es6.object.to-string");
require("core-js/modules/es6.string.iterator");
require("core-js/modules/es6.set");
require("core-js/modules/es7.array.includes");
require("core-js/modules/es6.string.includes");
require("core-js/modules/es6.array.find-index");
require("core-js/modules/es6.array.for-each");
require("core-js/modules/es6.array.is-array");
require("core-js/modules/es6.function.bind");
var _react = _interopRequireDefault(require("react"));
var _StickyVirtualizedList = require("./StickyVirtualizedList.interface");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var StickyVirtualizedList = /*#__PURE__*/function (_React$PureComponent) {
_inherits(StickyVirtualizedList, _React$PureComponent);
var _super = _createSuper(StickyVirtualizedList);
function StickyVirtualizedList(props) {
var _this;
_classCallCheck(this, StickyVirtualizedList);
_this = _super.call(this, props);
_this.nodes = void 0;
_this.getChildrenCache = void 0;
_this.rowRenderCache = void 0;
_this.rowRenderRange = void 0;
_this.structureChanged = void 0;
_this.elem = void 0;
_this.pendingScrollTop = void 0;
_this.treeToRender = void 0;
_this.onScroll = _this.onScroll.bind(_assertThisInitialized(_this));
_this.state = {
scrollTop: 0,
currNodePos: 0,
scrollTick: false
};
_this.nodes = [];
_this.getChildrenCache = {};
_this.rowRenderCache = {};
_this.rowRenderRange = undefined;
return _this;
}
_createClass(StickyVirtualizedList, [{
key: "flattenTree",
value: function flattenTree(node) {
var _this2 = this;
var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.props;
var nodes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];
var isFirstChild = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
var isLastChild = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
var parentIndex = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : undefined;
var context = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : {
totalHeight: 0
};
var index = nodes.length;
var height = node.height !== undefined ? node.height : props.defaultRowHeight;
var parentInfo = nodes[parentIndex];
var id = node.id,
_node$isSticky = node.isSticky,
isSticky = _node$isSticky === void 0 ? false : _node$isSticky,
_node$stickyTop = node.stickyTop,
stickyTop = _node$stickyTop === void 0 ? 0 : _node$stickyTop,
_node$zIndex = node.zIndex,
zIndex = _node$zIndex === void 0 ? 0 : _node$zIndex,
rest = _objectWithoutProperties(node, ["id", "isSticky", "stickyTop", "zIndex"]);
var nodeInfo = _objectSpread(_objectSpread({
id: id,
isSticky: isSticky,
stickyTop: stickyTop,
zIndex: zIndex
}, rest), {}, {
top: context.totalHeight,
parentIndex: parentIndex,
parentInfo: parentInfo,
depth: parentIndex !== undefined ? parentInfo.depth + 1 : 0,
height: height,
index: index,
isFirstChild: isFirstChild,
isLastChild: isLastChild
});
nodes.push(nodeInfo);
if (parentIndex !== undefined) {
parentInfo.children.push(index);
}
context.totalHeight += height;
var children = props.getChildren(node.id, nodeInfo);
if (props.isModelImmutable) {
// If children is undefined, then it is probably a leaf node, so we will have to render this since we don't know if the node
// itself has changed.
var oldChildren = this.getChildrenCache[node.id];
if (children === undefined || oldChildren !== children) {
delete this.rowRenderCache[node.id];
this.getChildrenCache[node.id] = children; // Check for structure changes...
if (children && oldChildren && (children.length !== oldChildren.length || !children.every(function (child, i) {
return child.id === oldChildren[i].id;
}))) {
this.structureChanged = true; // We need to update the entire branch if the structure has changed.
this.getBranchChildrenIds(children).forEach(function (id) {
return delete _this2.rowRenderCache[id];
});
}
}
} else {
this.structureChanged = true;
}
if (Array.isArray(children)) {
nodeInfo.children = [];
for (var i = 0; i < children.length; i++) {
// Need to reset parentIndex here as we are recursive.
var child = children[i];
this.flattenTree(child, props, nodes, i === 0, i === children.length - 1, index, context);
}
}
nodeInfo.totalHeight = context.totalHeight - nodeInfo.top;
return nodes;
}
}, {
key: "getBranchChildrenIds",
value: function getBranchChildrenIds(children) {
var _this3 = this;
var arr = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
if (!children) {
return arr;
}
children.forEach(function (child) {
arr.push(child.id);
_this3.getBranchChildrenIds(_this3.getChildrenCache[child.id], arr);
});
return arr;
}
}, {
key: "UNSAFE_componentWillMount",
value: function UNSAFE_componentWillMount() {
this.refreshCachedMetadata(this.props);
this.storeRenderTree(this.props, this.state);
}
}, {
key: "treeDataUpdated",
value: function treeDataUpdated(newProps) {
return newProps.root !== this.props.root || newProps.getChildren !== this.props.getChildren || newProps.defaultRowHeight !== this.props.defaultRowHeight;
}
}, {
key: "UNSAFE_componentWillReceiveProps",
value: function UNSAFE_componentWillReceiveProps(newProps) {
// These two properties will change when the structure changes, so we need to re-build the tree when this happens.
if (this.treeDataUpdated(newProps)) {
this.refreshCachedMetadata(newProps);
}
if (newProps.scrollIndex !== undefined && newProps.scrollIndex >= 0) {
this.scrollIndexIntoView(newProps.scrollIndex);
}
}
}, {
key: "UNSAFE_componentWillUpdate",
value: function UNSAFE_componentWillUpdate(newProps, newState) {
if (newState.scrollTick === this.state.scrollTick || newState.currNodePos !== this.state.currNodePos) {
this.storeRenderTree(newProps, newState);
}
}
/**
* Returns the index of the node in a flat list tree (post-order traversal).
*
* @param nodeId The node index to get the index for.
* @returns {number}
*/
}, {
key: "getNodeIndex",
value: function getNodeIndex(nodeId) {
return this.nodes.findIndex(function (node) {
return node.id === nodeId;
});
}
/**
* Returns the node that appears higher than this node (either a parent, sibling or child of the sibling above).
* @param nodeId The node to get the previous node of.
* @returns {*}
*/
}, {
key: "getPreviousNodeId",
value: function getPreviousNodeId(nodeId) {
var index = this.getNodeIndex(nodeId);
if (index !== -1) {
var node = this.nodes[index - 1];
if (node) {
return node.id;
}
}
return undefined;
}
/**
* Returns the node that appears lower than this node (sibling or sibling of the node's parent).
* @param nodeId The node to get the next node of.
* @returns {*}
*/
}, {
key: "getNextNodeId",
value: function getNextNodeId(nodeId) {
var index = this.getNodeIndex(nodeId);
if (index !== -1) {
var node = this.nodes[index + 1];
if (node) {
return node.id;
}
}
return undefined;
}
/**
* Returns true if the node is completely visible and is not obscured.
* This will return false when the node is partially obscured.
*
* @param nodeId The id of the node to check
* @param includeObscured if true, this method will return true for partially visible nodes.
* @returns {boolean}
*/
}, {
key: "isNodeVisible",
value: function isNodeVisible(nodeId) {
var includeObscured = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
return this.isIndexVisible(this.getNodeIndex(nodeId), includeObscured);
}
/**
* Returns true if the node is completely visible and is not obscured, unless includeObscured is specified.
* This will return false when the node is partially obscured, unless includeObscured is set to true.
*
* @param index The index of the node to check, generally retrieved via getNodeIndex()
* @param includeObscured if true, this method will return true for partially visible nodes.
* @returns {boolean}
*/
}, {
key: "isIndexVisible",
value: function isIndexVisible(index) {
var includeObscured = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
var inView;
var node = this.nodes[index];
if (!node) {
return false;
}
if (node.isSticky && index === this.state.currNodePos || this.getParentPath(this.state.currNodePos).includes(this.nodes[index])) {
return true;
}
if (!includeObscured) {
inView = this.isIndexInViewport(index);
} else {
inView = this.elem.scrollTop <= node.top + node.height - node.stickyTop && this.elem.scrollTop + this.props.height >= node.top;
}
if (inView) {
var path = this.getParentPath(index, false); // If this node is in view, new need to check to see if it is obscured by a sticky parent.
// Note that this does not handle weird scenarios where the node's parent has a sticky top which is less than other ancestors.
// Or any z-index weirdness.
for (var i = 0; i < path.length; i++) {
var ancestor = path[i]; // If the ancestor is sticky and the node is in view, then it must be stuck to the top
if (ancestor.isSticky) {
if (!includeObscured && ancestor.stickyTop + ancestor.height > node.top - this.elem.scrollTop) {
return false;
}
if (includeObscured && ancestor.stickyTop + ancestor.height > node.top + node.height - this.elem.scrollTop) {
return false;
}
}
}
return true;
}
return false;
}
}, {
key: "isNodeInViewport",
value: function isNodeInViewport(nodeId) {
return this.isIndexInViewport(this.getNodeIndex(nodeId));
}
}, {
key: "isIndexInViewport",
value: function isIndexInViewport(index) {
var node = this.nodes[index];
if (!node || !this.elem) {
return false;
}
return this.elem.scrollTop <= node.top - node.stickyTop && this.elem.scrollTop + this.props.height >= node.top + node.height;
}
}, {
key: "getNodeTop",
value: function getNodeTop(nodeId) {
return this.getIndexTop(this.getNodeIndex(nodeId));
}
}, {
key: "getIndexTop",
value: function getIndexTop(index) {
var node = this.nodes[index];
return node ? node.top : -1;
}
}, {
key: "getScrollTop",
value: function getScrollTop() {
return this.elem ? this.elem.scrollTop : -1;
}
}, {
key: "setScrollTop",
value: function setScrollTop(scrollTop) {
if (!isNaN(scrollTop)) {
this.setScrollTopAndClosestNode(scrollTop, this.state.currNodePos, _StickyVirtualizedList.scrollReasons.requested);
}
}
}, {
key: "scrollNodeIntoView",
value: function scrollNodeIntoView(nodeId) {
var alignToTop = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
this.scrollIndexIntoView(this.getNodeIndex(nodeId), alignToTop);
}
}, {
key: "scrollIndexIntoView",
value: function scrollIndexIntoView(index) {
var alignToTop = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
var node = this.nodes[index];
if (node !== undefined) {
var scrollTop;
if (alignToTop) {
if (node.isSticky) {
scrollTop = node.top - node.stickyTop;
} else {
var path = this.getParentPath(index, false);
for (var i = 0; i < path.length; i++) {
var ancestor = path[i];
if (ancestor.isSticky) {
scrollTop = node.top - ancestor.stickyTop - ancestor.height;
break;
}
}
if (scrollTop === undefined) {
// Fallback if nothing is sticky.
scrollTop = node.top;
}
}
} else {
scrollTop = node.top - this.props.height + node.height;
}
this.setScrollTop(scrollTop);
}
}
}, {
key: "componentDidUpdate",
value: function componentDidUpdate(prevProps, prevState) {
if (this.state.scrollReason === _StickyVirtualizedList.scrollReasons.requested) {
if (this.state.scrollTop >= 0 && this.state.scrollTop !== this.elem.scrollTop) {
this.elem.scrollTop = this.state.scrollTop;
}
}
if (this.props.onRowsRendered !== undefined && (prevState.currNodePos !== this.state.currNodePos || this.treeDataUpdated(prevProps))) {
var range = this.rowRenderRange;
var visibleStartInfo = this.nodes[range.visibleStart];
var visibleEndInfo = this.nodes[range.visibleEnd];
this.props.onRowsRendered({
overscanStartIndex: range.start,
overscanStopIndex: range.end,
startIndex: range.visibleStart,
stopIndex: range.visibleEnd,
startNode: visibleStartInfo && visibleStartInfo.id,
endNode: visibleEndInfo && visibleEndInfo.id,
nodes: this.nodes
});
}
}
}, {
key: "refreshCachedMetadata",
value: function refreshCachedMetadata(props) {
this.structureChanged = false;
this.nodes = this.flattenTree(props.root, props);
if (this.structureChanged) {
// Need to re-render as the curr node may not be in view
if (this.elem) {
// We need to find the the closest node to where we are scrolled to since the structure of the
// the tree probably has changed.
this.setScrollTopAndClosestNode(this.pendingScrollTop || this.elem.scrollTop, 0, _StickyVirtualizedList.scrollReasons.requested);
}
}
}
}, {
key: "recomputeTree",
value: function recomputeTree() {
if (this.props.root !== undefined && this.props.getChildren !== undefined) {
this.refreshCachedMetadata(this.props);
this.forceUpdate();
}
}
}, {
key: "storeRenderTree",
value: function storeRenderTree(props, state) {
this.treeToRender = this.renderParentTree(props, state);
}
}, {
key: "forceUpdate",
value: function forceUpdate() {
this.getChildrenCache = {};
this.rowRenderCache = {};
this.storeRenderTree(this.props, this.state);
_get(_getPrototypeOf(StickyVirtualizedList.prototype), "forceUpdate", this).call(this);
}
}, {
key: "renderParentTree",
value: function renderParentTree(props, state) {
this.rowRenderRange = this.getRenderRowRange(props, state);
var path = this.getParentPath(this.rowRenderRange.start); // Parent nodes to the current range.
var indexesToRender = new Set();
for (var i = 0; i < path.length; i++) {
indexesToRender.add(path[i].index);
} // The rest of the nodes within the range.
for (var _i = this.rowRenderRange.start; _i <= this.rowRenderRange.end; _i++) {
indexesToRender.add(this.nodes[_i].index);
}
if (this.props.renderRoot) {
return /*#__PURE__*/_react["default"].createElement("div", {
className: "rv-sticky-node-list",
style: {
width: '100%',
position: 'absolute',
top: 0
}
}, this.renderChildWithChildren(props, state, this.nodes[0], 0, indexesToRender));
}
return this.renderParentContainer(props, state, this.nodes[0], indexesToRender);
}
}, {
key: "renderParentContainer",
value: function renderParentContainer(props, state, parent, indexesToRender) {
return /*#__PURE__*/_react["default"].createElement("div", {
className: "rv-sticky-node-list",
style: {
position: 'absolute',
width: '100%',
height: parent.totalHeight - parent.height
}
}, this.renderChildren(props, state, parent, indexesToRender));
}
}, {
key: "getChildContainerStyle",
value: function getChildContainerStyle(child, top) {
return {
position: 'absolute',
top: top,
height: child.totalHeight,
width: '100%'
};
}
}, {
key: "renderChildWithChildren",
value: function renderChildWithChildren(props, state, child, top, indexesToRender) {
return /*#__PURE__*/_react["default"].createElement("div", {
key: "rv-node-".concat(child.id),
className: "rv-sticky-parent-node",
style: this.getChildContainerStyle(child, top)
}, this.renderNode(props, state, child, this.getClientNodeStyle(child)), this.renderParentContainer(props, state, child, indexesToRender));
}
}, {
key: "getClientNodeStyle",
value: function getClientNodeStyle(node) {
var style = {
height: node.height
};
if (node.isSticky) {
style.position = 'sticky';
style.top = node.stickyTop;
style.zIndex = node.zIndex;
}
return style;
}
}, {
key: "getClientLeafNodeStyle",
value: function getClientLeafNodeStyle(node, top) {
return {
position: 'absolute',
top: top,
height: node.height,
width: '100%'
};
}
}, {
key: "renderChildren",
value: function renderChildren(props, state, parent, indexesToRender) {
var _this4 = this;
var nodes = [];
var top = 0;
parent.children.forEach(function (index) {
var child = _this4.nodes[index];
if (indexesToRender.has(index)) {
if (child.children && child.children.length > 0) {
nodes.push(_this4.renderChildWithChildren(props, state, child, top, indexesToRender));
} else {
// Sticky nodes will need a container so that their top is correct. The sticky node itself will have a top
// of the offset where it should stick, which would conflict with the absolute position of the node.
if (child.isSticky || props.wrapAllLeafNodes) {
nodes.push( /*#__PURE__*/_react["default"].createElement("div", {
className: "rv-sticky-leaf-node",
key: "rv-node-".concat(child.id),
style: _this4.getChildContainerStyle(child, top)
}, _this4.renderNode(props, state, child, _this4.getClientNodeStyle(child))));
} else {
nodes.push(_this4.renderNode(props, state, child, _this4.getClientLeafNodeStyle(child, top)));
}
}
} // Needs to be on the outside so that we add the the top even if
// this node is not visible
top += child.totalHeight;
});
return nodes;
}
}, {
key: "renderNode",
value: function renderNode(props, state, nodeInfo, style) {
// If they have not mutated their getChildren, then no need to call them again for the same structure.
if (props.isModelImmutable && this.rowRenderCache[nodeInfo.id]) {
return this.rowRenderCache[nodeInfo.id];
}
var renderedRow = props.rowRenderer({
id: nodeInfo.id,
nodeInfo: nodeInfo,
style: style
});
if (props.isModelImmutable) {
this.rowRenderCache[nodeInfo.id] = renderedRow;
}
return renderedRow;
}
/**
* Determines the start and end number of the range to be rendered.
* @returns {{start: number, end: number}} Indexes within nodes
*/
}, {
key: "getRenderRowRange",
value: function getRenderRowRange(props, state) {
// Needs to be at least 1
var overscanRowCount = props.overscanRowCount > 0 ? props.overscanRowCount : 1;
var start = state.currNodePos - overscanRowCount;
if (start < 0) {
start = 0;
}
var visibleEnd = state.currNodePos + 1;
while (this.nodes[visibleEnd] && this.nodes[visibleEnd].top < state.scrollTop + props.height) {
visibleEnd++;
}
var end = visibleEnd + overscanRowCount;
if (end > this.nodes.length - 1) {
end = this.nodes.length - 1;
}
return {
start: start,
end: end,
visibleStart: state.currNodePos,
visibleEnd: visibleEnd
};
}
}, {
key: "getParentPath",
value: function getParentPath(nodeIndex) {
var topDownOrder = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
var currNode = this.nodes[nodeIndex];
var path = [];
while (currNode) {
currNode = this.nodes[currNode.parentIndex];
if (currNode) {
path.push(currNode);
}
}
return topDownOrder ? path.reverse() : path;
}
}, {
key: "forwardSearch",
value: function forwardSearch(scrollTop, searchPos) {
var nodes = this.nodes;
for (var i = searchPos; i < nodes.length; i++) {
if (nodes[i].top >= scrollTop) {
return i;
}
}
return nodes.length - 1;
}
}, {
key: "backwardSearch",
value: function backwardSearch(scrollTop, searchPos) {
var nodes = this.nodes;
for (var i = Math.min(searchPos, Math.max(nodes.length - 1, 0)); i >= 0; i--) {
if (nodes[i].top <= scrollTop) {
return i;
}
}
return 0;
}
}, {
key: "setScrollTopAndClosestNode",
value: function setScrollTopAndClosestNode(scrollTop, currNodePos, scrollReason) {
var _this5 = this;
if (scrollTop === this.state.scrollTop) {
return;
}
if (scrollTop >= this.elem.scrollHeight - this.elem.offsetHeight) {
scrollTop = this.elem.scrollHeight - this.elem.offsetHeight;
}
var pos;
if (scrollTop > this.state.scrollTop || currNodePos === 0) {
pos = this.forwardSearch(scrollTop, currNodePos);
}
if (scrollTop < this.state.scrollTop && pos === undefined) {
pos = this.backwardSearch(scrollTop, currNodePos);
}
this.pendingScrollTop = scrollTop;
this.setState({
currNodePos: pos ? pos : 0,
scrollTop: scrollTop,
scrollReason: scrollReason
}, function () {
_this5.pendingScrollTop = undefined;
});
}
}, {
key: "onScroll",
value: function onScroll(e) {
var _ref = e.target,
scrollTop = _ref.scrollTop,
scrollLeft = _ref.scrollLeft;
var scrollReason = this.state.scrollReason || _StickyVirtualizedList.scrollReasons.requested;
this.setScrollTopAndClosestNode(scrollTop, this.state.currNodePos, scrollReason);
if (this.props.onScroll !== undefined) {
this.props.onScroll({
scrollTop: scrollTop,
scrollLeft: scrollLeft,
scrollReason: scrollReason
});
}
this.setState({
scrollTick: !this.state.scrollTick,
scrollReason: undefined
});
}
}, {
key: "render",
value: function render() {
var _this6 = this;
var style = {
overflow: 'auto',
position: 'relative'
};
if (this.props.width) {
style.width = this.props.width;
}
if (this.props.height) {
style.height = this.props.height;
}
return /*#__PURE__*/_react["default"].createElement("div", {
ref: function ref(elem) {
return _this6.elem = elem;
},
className: "rv-sticky-tree",
style: style,
onScroll: this.onScroll
}, this.treeToRender);
}
}]);
return StickyVirtualizedList;
}(_react["default"].PureComponent);
exports.StickyVirtualizedList = StickyVirtualizedList;
StickyVirtualizedList.defaultProps = {
overscanRowCount: 10,
renderRoot: false,
wrapAllLeafNodes: false,
isModelImmutable: false
};
//# sourceMappingURL=StickyVirtualizedList.js.map