@blueprintjs/core
Version:
Core styles & components
157 lines (155 loc) • 22.4 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
*/
"use strict";
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var classNames = require("classnames");
var React = require("react");
var Classes = require("../../common/classes");
(function (AnimationStates) {
AnimationStates[AnimationStates["CLOSED"] = 0] = "CLOSED";
AnimationStates[AnimationStates["OPENING"] = 1] = "OPENING";
AnimationStates[AnimationStates["OPEN"] = 2] = "OPEN";
AnimationStates[AnimationStates["CLOSING_START"] = 3] = "CLOSING_START";
AnimationStates[AnimationStates["CLOSING_END"] = 4] = "CLOSING_END";
})(exports.AnimationStates || (exports.AnimationStates = {}));
var AnimationStates = exports.AnimationStates;
/*
* A collapse can be in one of 5 states:
* CLOSED
* When in this state, the contents of the collapse is not rendered, the collapse height is 0,
* and the body Y is at -height (so that the bottom of the body is at Y=0).
*
* OPEN
* When in this state, the collapse height is set to auto, and the body Y is set to 0 (so the element can be seen
* as normal).
*
* CLOSING_START
* When in this state, height has been changed from auto to the measured height of the body to prepare for the
* closing animation in CLOSING_END.
*
* CLOSING_END
* When in this state, the height is set to 0 and the body Y is at -height. Both of these properties are transformed,
* and then after the animation is complete, the state changes to CLOSED.
*
* OPENING
* When in this state, the body is re-rendered, height is set to the measured body height and the body Y is set to 0.
* This is all animated, and on complete, the state changes to OPEN.
*
* When changing the isOpen prop, the following happens to the states:
* isOpen = true : CLOSED -> OPENING -> OPEN
* isOpen = false: OPEN -> CLOSING_START -> CLOSING_END -> CLOSED
* These are all animated.
*/
var Collapse = (function (_super) {
__extends(Collapse, _super);
function Collapse() {
var _this = this;
_super.apply(this, arguments);
this.state = {
animationState: AnimationStates.OPEN,
height: "0px",
};
// The most recent non-0 height (once a height has been measured - is 0 until then)
this.height = 0;
this.contentsRefHandler = function (el) {
_this.contents = el;
if (el != null) {
_this.height = _this.contents.clientHeight;
_this.setState({
animationState: _this.props.isOpen ? AnimationStates.OPEN : AnimationStates.CLOSED,
height: _this.height + "px",
});
}
};
}
Collapse.prototype.componentWillReceiveProps = function (nextProps) {
var _this = this;
if (this.contents != null && this.contents.clientHeight !== 0) {
this.height = this.contents.clientHeight;
}
if (this.props.isOpen !== nextProps.isOpen) {
if (this.state.animationState !== AnimationStates.CLOSED && !nextProps.isOpen) {
this.setState({
animationState: AnimationStates.CLOSING_START,
height: this.height + "px",
});
}
else if (this.state.animationState !== AnimationStates.OPEN && nextProps.isOpen) {
this.setState({
animationState: AnimationStates.OPENING,
height: this.height + "px",
});
this.delayedTimeout = setTimeout(function () { return _this.onDelayedStateChange(); }, this.props.transitionDuration);
}
}
};
Collapse.prototype.render = function () {
var showContents = (this.state.animationState !== AnimationStates.CLOSED);
var displayWithTransform = showContents && (this.state.animationState !== AnimationStates.CLOSING_END);
var isAutoHeight = (this.state.height === "auto");
var containerStyle = {
height: showContents ? this.state.height : null,
overflow: isAutoHeight ? "visible" : null,
transition: isAutoHeight ? "none" : null,
};
var contentsStyle = {
transform: displayWithTransform ? "translateY(0)" : "translateY(-" + this.height + "px)",
transition: isAutoHeight ? "none" : null,
};
// quick type cast because there's no single overload that supports all three ReactTypes (str | Cmp | SFC)
return React.createElement(this.props.component, {
className: classNames(Classes.COLLAPSE, this.props.className),
style: containerStyle,
}, React.createElement("div", {className: "pt-collapse-body", ref: this.contentsRefHandler, style: contentsStyle}, showContents ? this.props.children : null));
};
Collapse.prototype.componentDidMount = function () {
this.forceUpdate();
if (this.props.isOpen) {
this.setState({ animationState: AnimationStates.OPEN, height: "auto" });
}
else {
this.setState({ animationState: AnimationStates.CLOSED });
}
};
Collapse.prototype.componentDidUpdate = function () {
var _this = this;
if (this.state.animationState === AnimationStates.CLOSING_START) {
this.closingTimeout =
setTimeout(function () { return _this.setState({ animationState: AnimationStates.CLOSING_END, height: "0px" }); });
this.delayedTimeout = setTimeout(function () { return _this.onDelayedStateChange(); }, this.props.transitionDuration);
}
};
Collapse.prototype.componentWillUnmount = function () {
clearTimeout(this.closingTimeout);
clearTimeout(this.delayedTimeout);
};
Collapse.prototype.onDelayedStateChange = function () {
switch (this.state.animationState) {
case AnimationStates.OPENING:
this.setState({ animationState: AnimationStates.OPEN, height: "auto" });
break;
case AnimationStates.CLOSING_END:
this.setState({ animationState: AnimationStates.CLOSED });
break;
default:
break;
}
};
Collapse.displayName = "Blueprint.Collapse";
Collapse.defaultProps = {
component: "div",
isOpen: false,
transitionDuration: 200,
};
return Collapse;
}(React.Component));
exports.Collapse = Collapse;
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All rights reserved.\n * Licensed under the BSD-3 License as modified (the “License”); you may obtain a copy\n * of the license at https://github.com/palantir/blueprint/blob/master/LICENSE\n * and https://github.com/palantir/blueprint/blob/master/PATENTS\n */\n\nimport * as classNames from \"classnames\";\nimport * as React from \"react\";\n\nimport * as Classes from \"../../common/classes\";\nimport { IProps } from \"../../common/props\";\n\nexport interface ICollapseProps extends IProps {\n    /**\n     * Component to render as the root element.\n     * Useful when rendering a Collapse inside a `<table>`, for instance.\n     * @default \"div\"\n     */\n    component?: React.ReactType;\n\n    /**\n     * Whether the component is open or closed.\n     * @default false\n     */\n    isOpen?: boolean;\n\n    /**\n     * The length of time the transition takes, in ms. This must match the duration of the animation in CSS.\n     * Only set this prop if you override Blueprint's default transitions with new transitions of a different length.\n     * @default 200\n     */\n    transitionDuration?: number;\n}\n\nexport interface ICollapseState {\n    /** The height that should be used for the content animations. This is a CSS value, not just a number. */\n    height?: string;\n\n    /** The state the element is currently in. */\n    animationState?: AnimationStates;\n}\n\nexport enum AnimationStates {\n    CLOSED,\n    OPENING,\n    OPEN,\n    CLOSING_START,\n    CLOSING_END,\n}\n\n/*\n * A collapse can be in one of 5 states:\n * CLOSED\n * When in this state, the contents of the collapse is not rendered, the collapse height is 0,\n * and the body Y is at -height (so that the bottom of the body is at Y=0).\n *\n * OPEN\n * When in this state, the collapse height is set to auto, and the body Y is set to 0 (so the element can be seen\n * as normal).\n *\n * CLOSING_START\n * When in this state, height has been changed from auto to the measured height of the body to prepare for the\n * closing animation in CLOSING_END.\n *\n * CLOSING_END\n * When in this state, the height is set to 0 and the body Y is at -height. Both of these properties are transformed,\n * and then after the animation is complete, the state changes to CLOSED.\n *\n * OPENING\n * When in this state, the body is re-rendered, height is set to the measured body height and the body Y is set to 0.\n * This is all animated, and on complete, the state changes to OPEN.\n *\n * When changing the isOpen prop, the following happens to the states:\n * isOpen = true : CLOSED -> OPENING -> OPEN\n * isOpen = false: OPEN -> CLOSING_START -> CLOSING_END -> CLOSED\n * These are all animated.\n */\nexport class Collapse extends React.Component<ICollapseProps, ICollapseState> {\n    public static displayName = \"Blueprint.Collapse\";\n\n    public static defaultProps: ICollapseProps = {\n        component: \"div\",\n        isOpen: false,\n        transitionDuration: 200,\n    };\n\n    public state = {\n        animationState: AnimationStates.OPEN,\n        height: \"0px\",\n    };\n\n    // The element containing the contents of the collapse.\n    private contents: HTMLElement;\n    // The most recent non-0 height (once a height has been measured - is 0 until then)\n    private height: number = 0;\n\n    private closingTimeout: number;\n    private delayedTimeout: number;\n\n    public componentWillReceiveProps(nextProps: ICollapseProps) {\n        if (this.contents != null && this.contents.clientHeight !== 0) {\n            this.height = this.contents.clientHeight;\n        }\n        if (this.props.isOpen !== nextProps.isOpen) {\n            if (this.state.animationState !== AnimationStates.CLOSED && !nextProps.isOpen) {\n                this.setState({\n                    animationState: AnimationStates.CLOSING_START,\n                    height: `${this.height}px`,\n                });\n            } else if (this.state.animationState !== AnimationStates.OPEN && nextProps.isOpen) {\n                this.setState({\n                    animationState: AnimationStates.OPENING,\n                    height: `${this.height}px`,\n                });\n                this.delayedTimeout = setTimeout(() => this.onDelayedStateChange(), this.props.transitionDuration);\n            }\n        }\n    }\n\n    public render() {\n        const showContents = (this.state.animationState !== AnimationStates.CLOSED);\n        const displayWithTransform = showContents && (this.state.animationState !== AnimationStates.CLOSING_END);\n        const isAutoHeight = (this.state.height === \"auto\");\n\n        const containerStyle = {\n            height: showContents ? this.state.height : null,\n            overflow: isAutoHeight ? \"visible\" : null,\n            transition: isAutoHeight ? \"none\" : null,\n        };\n\n        const contentsStyle = {\n            transform: displayWithTransform ? \"translateY(0)\" : `translateY(-${this.height}px)`,\n            transition: isAutoHeight ? \"none\" : null,\n        };\n\n        // quick type cast because there's no single overload that supports all three ReactTypes (str | Cmp | SFC)\n        return React.createElement(this.props.component as string, {\n            className: classNames(Classes.COLLAPSE, this.props.className),\n            style: containerStyle,\n        },\n            <div className=\"pt-collapse-body\" ref={this.contentsRefHandler} style={contentsStyle}>\n                {showContents ? this.props.children : null}\n            </div>,\n        );\n    }\n\n    public componentDidMount() {\n        this.forceUpdate();\n        if (this.props.isOpen) {\n            this.setState({ animationState: AnimationStates.OPEN, height: \"auto\" });\n        } else {\n            this.setState({ animationState: AnimationStates.CLOSED });\n        }\n    }\n\n    public componentDidUpdate() {\n        if (this.state.animationState === AnimationStates.CLOSING_START) {\n            this.closingTimeout =\n                setTimeout(() => this.setState({ animationState: AnimationStates.CLOSING_END, height: \"0px\" }));\n            this.delayedTimeout = setTimeout(() => this.onDelayedStateChange(), this.props.transitionDuration);\n        }\n    }\n\n    public componentWillUnmount() {\n        clearTimeout(this.closingTimeout);\n        clearTimeout(this.delayedTimeout);\n    }\n\n    private contentsRefHandler = (el: HTMLElement) => {\n        this.contents = el;\n        if (el != null) {\n            this.height = this.contents.clientHeight;\n            this.setState({\n                animationState: this.props.isOpen ? AnimationStates.OPEN : AnimationStates.CLOSED,\n                height: `${this.height}px`,\n            });\n        }\n    }\n\n    private onDelayedStateChange() {\n        switch (this.state.animationState) {\n            case AnimationStates.OPENING:\n                this.setState({ animationState: AnimationStates.OPEN, height: \"auto\" });\n                break;\n            case AnimationStates.CLOSING_END:\n                this.setState({ animationState: AnimationStates.CLOSED });\n                break;\n            default:\n                break;\n        }\n    }\n}\n"],"sourceRoot":"/source/"}