@blueprintjs/core
Version:
Core styles & components
89 lines • 4.74 kB
JavaScript
;
/*
* Copyright 2015 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var classnames_1 = tslib_1.__importDefault(require("classnames"));
var React = tslib_1.__importStar(require("react"));
var boundary_1 = require("../../common/boundary");
var Classes = tslib_1.__importStar(require("../../common/classes"));
var Errors = tslib_1.__importStar(require("../../common/errors"));
var position_1 = require("../../common/position");
var props_1 = require("../../common/props");
var utils_1 = require("../../common/utils");
var menu_1 = require("../menu/menu");
var menuItem_1 = require("../menu/menuItem");
var popover_1 = require("../popover/popover");
/** @deprecated use `<OverflowList>` for automatic overflow based on available space. */
var CollapsibleList = /** @class */ (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 === boundary_1.Boundary.START ? childrenLength - 1 - index : index;
return (React.createElement("li", { className: _this.props.visibleItemClassName, key: absoluteIndex }, _this.props.visibleItemRenderer(child.props, absoluteIndex)));
});
if (collapseFrom === boundary_1.Boundary.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 === boundary_1.Boundary.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_1.default(Classes.COLLAPSIBLE_LIST, this.props.className) },
collapseFrom === boundary_1.Boundary.START ? collapsedPopover : null,
visibleItems,
collapseFrom === boundary_1.Boundary.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 (!utils_1.isElementOfType(child, menuItem_1.MenuItem)) {
throw new Error(Errors.COLLAPSIBLE_LIST_INVALID_CHILD);
}
return React.cloneElement(child, { key: "visible-" + index });
});
if (this.props.collapseFrom === boundary_1.Boundary.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)];
};
CollapsibleList.displayName = props_1.DISPLAYNAME_PREFIX + ".CollapsibleList";
CollapsibleList.defaultProps = {
collapseFrom: boundary_1.Boundary.START,
dropdownTarget: null,
visibleItemCount: 3,
visibleItemRenderer: null,
};
return CollapsibleList;
}(React.Component));
exports.CollapsibleList = CollapsibleList;
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