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import { AnchorTitle, colors, HeaderSizes, Styles } from '@0x/react-shared';
import { Parameter, SolidityMethod, TypeDefinitionByName, TypescriptFunction, TypescriptMethod } from '@0x/types';
import * as _ from 'lodash';
import * as React from 'react';
import { DocsInfo } from '../docs_info';
import { constants } from '../utils/constants';
import { Comment } from './comment';
import { Signature } from './signature';
import { SourceLink } from './source_link';
export interface SignatureBlockProps {
method: SolidityMethod | TypescriptFunction | TypescriptMethod;
sectionName: string;
libraryVersion: string;
typeDefinitionByName: TypeDefinitionByName;
docsInfo: DocsInfo;
sourceUrl: string;
}
export interface SignatureBlockState {
shouldShowAnchor: boolean;
}
const styles: Styles = {
chip: {
fontSize: 13,
color: colors.white,
height: 11,
borderRadius: 14,
lineHeight: 0.9,
},
};
export class SignatureBlock extends React.Component<SignatureBlockProps, SignatureBlockState> {
constructor(props: SignatureBlockProps) {
super(props);
this.state = {
shouldShowAnchor: false,
};
}
public render(): React.ReactNode {
const method = this.props.method;
const isFallback = (method as SolidityMethod).isFallback;
const hasExclusivelyNamedParams = !_.isUndefined(_.find(method.parameters, p => !_.isEmpty(p.name)));
return (
<div
id={`${this.props.sectionName}-${method.name}`}
style={{ overflow: 'hidden', width: '100%' }}
className="pb4 pt2"
onMouseOver={this._setAnchorVisibility.bind(this, true)}
onMouseOut={this._setAnchorVisibility.bind(this, false)}
>
{!(method as TypescriptMethod).isConstructor && (
<div className="flex pb2 pt2">
{(method as TypescriptMethod).isStatic && this._renderChip('Static')}
{(method as SolidityMethod).isConstant && this._renderChip('Constant')}
{(method as SolidityMethod).isPayable && this._renderChip('Payable')}
{isFallback && this._renderChip('Fallback', colors.lightGreenA700)}
<div style={{ lineHeight: 1.3 }}>
<AnchorTitle
headerSize={HeaderSizes.H3}
title={isFallback ? '' : method.name}
id={`${this.props.sectionName}-${method.name}`}
shouldShowAnchor={this.state.shouldShowAnchor}
/>
</div>
</div>
)}
<code className={`hljs ${constants.TYPE_TO_SYNTAX[this.props.docsInfo.type]}`}>
<Signature
name={method.name}
returnType={method.returnType}
parameters={method.parameters}
typeParameter={(method as TypescriptMethod).typeParameter}
callPath={(method as TypescriptMethod).callPath}
sectionName={this.props.sectionName}
typeDefinitionByName={this.props.typeDefinitionByName}
docsInfo={this.props.docsInfo}
isInPopover={false}
isFallback={isFallback}
/>
</code>
{(method as TypescriptMethod).source && (
<SourceLink
version={this.props.libraryVersion}
source={(method as TypescriptMethod).source}
sourceUrl={this.props.sourceUrl}
/>
)}
{method.comment && <Comment comment={method.comment} className="py2" />}
{method.parameters &&
!_.isEmpty(method.parameters) &&
hasExclusivelyNamedParams && (
<div>
<h4 className="pb1 thin" style={{ borderBottom: '1px solid #e1e8ed' }}>
ARGUMENTS
</h4>
{this._renderParameterDescriptions(method.parameters, method.name)}
</div>
)}
{method.returnComment && (
<div className="pt1 comment">
<h4 className="pb1 thin" style={{ borderBottom: '1px solid #e1e8ed' }}>
RETURNS
</h4>
<Comment comment={method.returnComment} />
</div>
)}
</div>
);
}
private _renderChip(text: string, backgroundColor: string = colors.lightBlueA700): React.ReactNode {
return (
<div className="p1 mr1" style={{ ...styles.chip, backgroundColor }}>
{text}
</div>
);
}
private _renderParameterDescriptions(parameters: Parameter[], name: string): React.ReactNode {
const descriptions = _.map(parameters, (parameter: Parameter, i: number) => {
const isOptional = parameter.isOptional;
return (
<div
key={`param-description-${parameter.name}-${name}-${i}`}
className="flex pb1 mb2"
style={{ borderBottom: '1px solid #f0f4f7' }}
>
<div className="pl2 col lg-col-4 md-col-4 sm-col-12 col-12">
<div
className="bold"
style={{ overflow: 'hidden', whiteSpace: 'nowrap', textOverflow: 'ellipsis' }}
>
{parameter.name}
</div>
<div className="pt1" style={{ color: colors.grey, fontSize: 14 }}>
{isOptional && 'optional'}
</div>
</div>
<div className="col lg-col-8 md-col-8 sm-col-12 col-12" style={{ paddingLeft: 5 }}>
{parameter.comment && <Comment comment={parameter.comment} />}
</div>
</div>
);
});
return descriptions;
}
private _setAnchorVisibility(shouldShowAnchor: boolean): void {
this.setState({
shouldShowAnchor,
});
}
}
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