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import React = require('react');
import { observer } from 'mobx-react';
import { observable, action, trace } from 'mobx';
import "./EditableView.scss";
import * as Autosuggest from 'react-autosuggest';
import { undoBatch } from '../util/UndoManager';
import { SchemaHeaderField } from '../../new_fields/SchemaHeaderField';
export interface EditableProps {
/**
* Called to get the initial value for editing
* */
GetValue(): string | undefined;
/**
* Called to apply changes
* @param value - The string entered by the user to set the value to
* @returns `true` if setting the value was successful, `false` otherwise
* */
SetValue(value: string, shiftDown?: boolean): boolean;
OnFillDown?(value: string): void;
OnTab?(shift?: boolean): void;
/**
* The contents to render when not editing
*/
contents: any;
fontStyle?: string;
fontSize?: number;
height?: number | "auto";
maxHeight?: number;
display?: string;
autosuggestProps?: {
resetValue: () => void;
value: string,
onChange: (e: React.ChangeEvent, { newValue }: { newValue: string }) => void,
autosuggestProps: Autosuggest.AutosuggestProps<string>
};
oneLine?: boolean;
editing?: boolean;
onClick?: (e: React.MouseEvent) => boolean;
isEditingCallback?: (isEditing: boolean) => void;
HeadingObject?: SchemaHeaderField | undefined;
HeadingsHack?: number;
toggle?: () => void;
color?: string | undefined;
}
/**
* Customizable view that can be given an arbitrary view to render normally,
* but can also be edited with customizable functions to get a string version
* of the content, and set the value based on the entered string.
*/
@observer
export class EditableView extends React.Component<EditableProps> {
@observable _editing: boolean = false;
@observable _headingsHack: number = 1;
constructor(props: EditableProps) {
super(props);
this._editing = this.props.editing ? true : false;
}
@action
componentWillReceiveProps(nextProps: EditableProps) {
// this is done because when autosuggest is turned on, the suggestions are passed in as a prop,
// so when the suggestions are passed in, and no editing prop is passed in, it used to set it
// to false. this will no longer do so -syip
if (nextProps.editing && nextProps.editing !== this._editing) {
this._editing = nextProps.editing;
}
}
@action
onKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
if (e.key === "Tab") {
e.stopPropagation();
this.finalizeEdit(e.currentTarget.value, e.shiftKey);
this.props.OnTab && this.props.OnTab(e.shiftKey);
} else if (e.key === "Enter") {
e.stopPropagation();
if (!e.ctrlKey) {
this.finalizeEdit(e.currentTarget.value, e.shiftKey);
} else if (this.props.OnFillDown) {
this.props.OnFillDown(e.currentTarget.value);
this._editing = false;
this.props.isEditingCallback && this.props.isEditingCallback(false);
}
} else if (e.key === "Escape") {
e.stopPropagation();
this._editing = false;
this.props.isEditingCallback && this.props.isEditingCallback(false);
}
}
@action
onClick = (e: React.MouseEvent) => {
e.nativeEvent.stopPropagation();
if (!this.props.onClick || !this.props.onClick(e)) {
this._editing = true;
this.props.isEditingCallback && this.props.isEditingCallback(true);
}
e.stopPropagation();
}
@action
private finalizeEdit(value: string, shiftDown: boolean) {
this._editing = false;
if (this.props.SetValue(value, shiftDown)) {
this.props.isEditingCallback && this.props.isEditingCallback(false);
}
}
stopPropagation(e: React.SyntheticEvent) {
e.stopPropagation();
}
@action
setIsFocused = (value: boolean) => {
const wasFocused = this._editing;
this._editing = value;
return wasFocused !== this._editing;
}
render() {
if (this._editing && this.props.GetValue() !== undefined) {
return this.props.autosuggestProps
? <Autosuggest
{...this.props.autosuggestProps.autosuggestProps}
inputProps={{
className: "editableView-input",
onKeyDown: this.onKeyDown,
autoFocus: true,
onBlur: e => this.finalizeEdit(e.currentTarget.value, false),
onPointerDown: this.stopPropagation,
onClick: this.stopPropagation,
onPointerUp: this.stopPropagation,
value: this.props.autosuggestProps.value,
onChange: this.props.autosuggestProps.onChange
}}
/>
: <input className="editableView-input"
defaultValue={this.props.GetValue()}
onKeyDown={this.onKeyDown}
autoFocus={true}
onBlur={e => this.finalizeEdit(e.currentTarget.value, false)}
onPointerDown={this.stopPropagation} onClick={this.stopPropagation} onPointerUp={this.stopPropagation}
style={{ display: this.props.display, fontSize: this.props.fontSize }}
/>;
} else {
if (this.props.autosuggestProps) this.props.autosuggestProps.resetValue();
return (
<div className={`editableView-container-editing${this.props.oneLine ? "-oneLine" : ""}`}
style={{ display: this.props.display, minHeight: "20px", height: `${this.props.height ? this.props.height : "auto"}`, maxHeight: `${this.props.maxHeight}` }}
onClick={this.onClick}>
<span style={{ fontStyle: this.props.fontStyle, fontSize: this.props.fontSize }}>{this.props.contents}</span>
</div>
);
}
}
}
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