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import React = require('react');
import { observer } from 'mobx-react';
import { observable, action, trace } from 'mobx';
import "./EditableView.scss";
export interface EditableProps {
/**
* Called to get the initial value for editing
* */
GetValue(): string;
/**
* 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?(): void;
/**
* The contents to render when not editing
*/
contents: any;
fontStyle?: string;
fontSize?: number;
height?: number;
display?: string;
oneLine?: boolean;
editing?: boolean;
onClick?: (e: React.MouseEvent) => boolean;
}
/**
* 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;
constructor(props: EditableProps) {
super(props);
this._editing = this.props.editing ? true : false;
}
@action
onKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
if (e.key === "Tab") {
this.props.OnTab && this.props.OnTab();
} else if (e.key === "Enter") {
if (!e.ctrlKey) {
if (this.props.SetValue(e.currentTarget.value, e.shiftKey)) {
this._editing = false;
}
} else if (this.props.OnFillDown) {
this.props.OnFillDown(e.currentTarget.value);
this._editing = false;
}
} else if (e.key === "Escape") {
this._editing = false;
}
}
@action
onClick = (e: React.MouseEvent) => {
e.nativeEvent.stopPropagation();
if (!this.props.onClick || !this.props.onClick(e)) {
this._editing = true;
}
e.stopPropagation();
}
stopPropagation(e: React.SyntheticEvent) {
e.stopPropagation();
}
@action
setIsFocused = (value: boolean) => {
this._editing = value;
}
render() {
if (this._editing) {
return <input className="editableView-input" defaultValue={this.props.GetValue()} onKeyDown={this.onKeyDown} autoFocus
onBlur={action(() => this._editing = false)} onPointerDown={this.stopPropagation} onClick={this.stopPropagation} onPointerUp={this.stopPropagation}
style={{ display: this.props.display, fontSize: this.props.fontSize }} />;
} else {
return (
<div className={`editableView-container-editing${this.props.oneLine ? "-oneLine" : ""}`}
style={{ display: this.props.display, height: "auto", maxHeight: `${this.props.height}` }}
onClick={this.onClick} >
<span style={{ fontStyle: this.props.fontStyle }}>{this.props.contents}</span>
</div>
);
}
}
}
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