@blueprintjs/core
Version:
Core styles & components
87 lines (85 loc) • 4.29 kB
JavaScript
/*
* Copyright 2015 Palantir Technologies, Inc. All rights reserved.
* Licensed under the BSD-3 License as modified (the “License”); you may obtain a copy
* of the license at https://github.com/palantir/blueprint/blob/master/LICENSE
* and https://github.com/palantir/blueprint/blob/master/PATENTS
*/
;
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var classNames = require("classnames");
var React = require("react");
var Classes = require("../../common/classes");
var Errors = require("../../common/errors");
var position_1 = require("../../common/position");
var menu_1 = require("../menu/menu");
var menuItem_1 = require("../menu/menuItem");
var popover_1 = require("../popover/popover");
var CollapseFrom;
(function (CollapseFrom) {
CollapseFrom[CollapseFrom["START"] = 0] = "START";
CollapseFrom[CollapseFrom["END"] = 1] = "END";
})(CollapseFrom = exports.CollapseFrom || (exports.CollapseFrom = {}));
var CollapsibleList = (function (_super) {
tslib_1.__extends(CollapsibleList, _super);
function CollapsibleList() {
return _super !== null && _super.apply(this, arguments) || this;
}
CollapsibleList.prototype.render = function () {
var _this = this;
var collapseFrom = this.props.collapseFrom;
var childrenLength = React.Children.count(this.props.children);
var _a = this.partitionChildren(), visibleChildren = _a[0], collapsedChildren = _a[1];
var visibleItems = visibleChildren.map(function (child, index) {
var absoluteIndex = (collapseFrom === CollapseFrom.START ? childrenLength - 1 - index : index);
return (React.createElement("li", { className: _this.props.visibleItemClassName, key: absoluteIndex }, _this.props.renderVisibleItem(child.props, absoluteIndex)));
});
if (collapseFrom === CollapseFrom.START) {
// reverse START list so separators appear before items
visibleItems.reverse();
}
// construct dropdown menu for collapsed items
var collapsedPopover;
if (collapsedChildren.length > 0) {
var position = (collapseFrom === CollapseFrom.END ? position_1.Position.BOTTOM_RIGHT : position_1.Position.BOTTOM_LEFT);
collapsedPopover = (React.createElement("li", { className: this.props.visibleItemClassName },
React.createElement(popover_1.Popover, tslib_1.__assign({ content: React.createElement(menu_1.Menu, null, collapsedChildren), position: position }, this.props.dropdownProps), this.props.dropdownTarget)));
}
return (React.createElement("ul", { className: classNames(Classes.COLLAPSIBLE_LIST, this.props.className) },
collapseFrom === CollapseFrom.START ? collapsedPopover : null,
visibleItems,
collapseFrom === CollapseFrom.END ? collapsedPopover : null));
};
// splits the list of children into two arrays: visible and collapsed
CollapsibleList.prototype.partitionChildren = function () {
if (this.props.children == null) {
return [[], []];
}
var childrenArray = React.Children.map(this.props.children, function (child, index) {
if (child.type !== menuItem_1.MenuItem) {
throw new Error(Errors.COLLAPSIBLE_LIST_INVALID_CHILD);
}
return React.cloneElement(child, { key: "visible-" + index });
});
if (this.props.collapseFrom === CollapseFrom.START) {
// reverse START list so we can always slice visible items from the front of the list
childrenArray.reverse();
}
var visibleItemCount = this.props.visibleItemCount;
return [
childrenArray.slice(0, visibleItemCount),
childrenArray.slice(visibleItemCount),
];
};
return CollapsibleList;
}(React.Component));
CollapsibleList.displayName = "Blueprint.CollapsibleList";
CollapsibleList.defaultProps = {
collapseFrom: CollapseFrom.START,
dropdownTarget: null,
renderVisibleItem: null,
visibleItemCount: 3,
};
exports.CollapsibleList = CollapsibleList;
exports.CollapsibleListFactory = React.createFactory(CollapsibleList);
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