@blueprintjs/core
Version:
Core styles & components
97 lines • 4.34 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.
*/
import classNames from "classnames";
import * as React from "react";
import * as Classes from "../../common/classes";
import { DISPLAYNAME_PREFIX } from "../../common/props";
import { safeInvoke } from "../../common/utils";
import { Collapse } from "../collapse/collapse";
import { Icon } from "../icon/icon";
export class TreeNode extends React.Component {
constructor() {
super(...arguments);
this.handleCaretClick = (e) => {
e.stopPropagation();
const { isExpanded, onCollapse, onExpand } = this.props;
safeInvoke(isExpanded ? onCollapse : onExpand, this, e);
};
this.handleClick = (e) => {
safeInvoke(this.props.onClick, this, e);
};
this.handleContentRef = (element) => {
safeInvoke(this.props.contentRef, this, element);
};
this.handleContextMenu = (e) => {
safeInvoke(this.props.onContextMenu, this, e);
};
this.handleDoubleClick = (e) => {
safeInvoke(this.props.onDoubleClick, this, e);
};
this.handleMouseEnter = (e) => {
safeInvoke(this.props.onMouseEnter, this, e);
};
this.handleMouseLeave = (e) => {
safeInvoke(this.props.onMouseLeave, this, e);
};
}
static ofType() {
return TreeNode;
}
render() {
const { children, className, disabled, icon, isExpanded, isSelected, label } = this.props;
const classes = classNames(Classes.TREE_NODE, {
[Classes.DISABLED]: disabled,
[Classes.TREE_NODE_SELECTED]: isSelected,
[Classes.TREE_NODE_EXPANDED]: isExpanded,
}, className);
const contentClasses = classNames(Classes.TREE_NODE_CONTENT, `${Classes.TREE_NODE_CONTENT}-${this.props.depth}`);
const eventHandlers = disabled === true
? {}
: {
onClick: this.handleClick,
onContextMenu: this.handleContextMenu,
onDoubleClick: this.handleDoubleClick,
onMouseEnter: this.handleMouseEnter,
onMouseLeave: this.handleMouseLeave,
};
return (React.createElement("li", { className: classes },
React.createElement("div", Object.assign({ className: contentClasses, ref: this.handleContentRef }, eventHandlers),
this.maybeRenderCaret(),
React.createElement(Icon, { className: Classes.TREE_NODE_ICON, icon: icon }),
React.createElement("span", { className: Classes.TREE_NODE_LABEL }, label),
this.maybeRenderSecondaryLabel()),
React.createElement(Collapse, { isOpen: isExpanded }, children)));
}
maybeRenderCaret() {
const { children, isExpanded, disabled, hasCaret = React.Children.count(children) > 0 } = this.props;
if (hasCaret) {
const caretClasses = classNames(Classes.TREE_NODE_CARET, isExpanded ? Classes.TREE_NODE_CARET_OPEN : Classes.TREE_NODE_CARET_CLOSED);
const onClick = disabled === true ? undefined : this.handleCaretClick;
return React.createElement(Icon, { className: caretClasses, onClick: onClick, icon: "chevron-right" });
}
return React.createElement("span", { className: Classes.TREE_NODE_CARET_NONE });
}
maybeRenderSecondaryLabel() {
if (this.props.secondaryLabel != null) {
return React.createElement("span", { className: Classes.TREE_NODE_SECONDARY_LABEL }, this.props.secondaryLabel);
}
else {
return undefined;
}
}
}
TreeNode.displayName = `${DISPLAYNAME_PREFIX}.TreeNode`;
//# sourceMappingURL=treeNode.js.map