18284: Add regex pattern option to chips-input for better tokenization of login group...
[arvados-workbench2.git] / src / components / chips-input / chips-input.tsx
index 6a3142b8851879f232ae816c615cad7025a8b467..cbb1fb1283b31246152f2c32b6a961cb5f256248 100644 (file)
@@ -2,33 +2,43 @@
 //
 // SPDX-License-Identifier: AGPL-3.0
 
-import * as React from 'react';
-import { Chips } from '~/components/chips/chips';
-import { Input, withStyles, WithStyles } from '@material-ui/core';
+import React from 'react';
+import { Chips } from 'components/chips/chips';
+import { Input as MuiInput, withStyles, WithStyles } from '@material-ui/core';
 import { StyleRulesCallback } from '@material-ui/core/styles';
+import { InputProps } from '@material-ui/core/Input';
 
 interface ChipsInputProps<Value> {
     values: Value[];
     getLabel?: (value: Value) => string;
     onChange: (value: Value[]) => void;
+    handleFocus?: (e: any) => void;
+    handleBlur?: (e: any) => void;
+    chipsClassName?: string;
     createNewValue: (value: string) => Value;
+    inputComponent?: React.ComponentType<InputProps>;
+    inputProps?: InputProps;
+    deletable?: boolean;
+    orderable?: boolean;
+    disabled?: boolean;
+    pattern?: RegExp;
 }
 
 type CssRules = 'chips' | 'input' | 'inputContainer';
 
-const styles: StyleRulesCallback = () => ({
+const styles: StyleRulesCallback = ({ spacing }) => ({
     chips: {
-        minHeight: '40px',
+        minHeight: spacing.unit * 5,
         zIndex: 1,
         position: 'relative',
     },
     input: {
-        position: 'relative',
-        top: '-5px',
         zIndex: 1,
+        marginBottom: 8,
+        position: 'relative',
     },
     inputContainer: {
-        top: '-24px',
+        marginTop: -34
     },
 });
 
@@ -42,27 +52,46 @@ export const ChipsInput = withStyles(styles)(
         filler = React.createRef<HTMLDivElement>();
         timeout = -1;
 
-        componentDidMount() {
-            this.updateCursorPosition();
-        }
-
         setText = (event: React.ChangeEvent<HTMLInputElement>) => {
-            this.setState({ text: event.target.value });
+            this.setState({ text: event.target.value }, () => {
+                // If pattern is provided, check for delimiter
+                if (this.props.pattern) {
+                    const matches = this.state.text.match(this.props.pattern);
+                    // Only create values if 1 match and the last character is a delimiter
+                    //   (user pressed an invalid character at the end of a token)
+                    //   or if multiple matches (user pasted text)
+                    if (matches &&
+                            (
+                                matches.length > 1 ||
+                                (matches.length === 1 && !this.state.text.endsWith(matches[0]))
+                            )) {
+                        this.createNewValue(matches.map((i) => i));
+                    }
+                }
+            });
         }
 
-        handleKeyPress = ({ key }: React.KeyboardEvent<HTMLInputElement>) => {
-            if (key === 'Enter') {
+        handleKeyPress = (e: React.KeyboardEvent<HTMLInputElement>) => {
+            // Handle special keypresses
+            if (e.key === 'Enter') {
                 this.createNewValue();
-            } else if (key === 'Backspace') {
+                e.preventDefault();
+            } else if (e.key === 'Backspace') {
                 this.deleteLastValue();
             }
         }
 
-        createNewValue = () => {
+        createNewValue = (matches?: string[]) => {
             if (this.state.text) {
-                const newValue = this.props.createNewValue(this.state.text);
-                this.setState({ text: '' });
-                this.props.onChange([...this.props.values, newValue]);
+                if (matches && matches.length > 0) {
+                    const newValues = matches.map((v) => this.props.createNewValue(v));
+                    this.setState({ text: '' });
+                    this.props.onChange([...this.props.values, ...newValues]);
+                } else {
+                    const newValue = this.props.createNewValue(this.state.text);
+                    this.setState({ text: '' });
+                    this.props.onChange([...this.props.values, newValue]);
+                }
             }
         }
 
@@ -76,43 +105,66 @@ export const ChipsInput = withStyles(styles)(
             if (this.timeout) {
                 clearTimeout(this.timeout);
             }
-            this.timeout = setTimeout(() => this.forceUpdate());
-        }
-
-        componentDidUpdate(prevProps: ChipsInputProps<Value>){
-            if(prevProps.values !== this.props.values){
-                this.updateCursorPosition();
-            }
-        }
-
-        render() {
-            return <>
-                <div className={this.props.classes.chips}>
-                    <Chips
-                        {...this.props}
-                        filler={<div ref={this.filler} />}
-                    />
-                </div>
-                <Input
-                    value={this.state.text}
-                    onChange={this.setText}
-                    onKeyDown={this.handleKeyPress}
-                    inputProps={{
-                        className: this.props.classes.input,
-                        style: this.getInputStyles(),
-                    }}
-                    fullWidth
-                    className={this.props.classes.inputContainer} />
-            </>;
+            this.timeout = window.setTimeout(() => this.setState({ ...this.state }));
         }
 
         getInputStyles = (): React.CSSProperties => ({
             width: this.filler.current
-                ? this.filler.current.offsetWidth + 8
+                ? this.filler.current.offsetWidth
                 : '100%',
             right: this.filler.current
                 ? `calc(${this.filler.current.offsetWidth}px - 100%)`
                 : 0,
 
         })
+
+        componentDidMount() {
+            this.updateCursorPosition();
+        }
+
+        render() {
+            return <>
+                {this.renderChips()}
+                {this.renderInput()}
+            </>;
+        }
+
+        renderChips() {
+            const { classes, ...props } = this.props;
+            return <div className={[classes.chips, this.props.chipsClassName].join(' ')}>
+                <Chips
+                    {...props}
+                    clickable={!props.disabled}
+                    filler={<div ref={this.filler} />}
+                />
+            </div>;
+        }
+
+        renderInput() {
+            const { inputProps: InputProps, inputComponent: Input = MuiInput, classes } = this.props;
+            return <Input
+                {...InputProps}
+                value={this.state.text}
+                onChange={this.setText}
+                disabled={this.props.disabled}
+                onKeyDown={this.handleKeyPress}
+                onFocus={this.props.handleFocus}
+                onBlur={this.props.handleBlur}
+                inputProps={{
+                    ...(InputProps && InputProps.inputProps),
+                    className: classes.input,
+                    style: this.getInputStyles(),
+                }}
+                fullWidth
+                className={classes.inputContainer} />;
+        }
+
+        componentDidUpdate(prevProps: ChipsInputProps<Value>) {
+            if (prevProps.values !== this.props.values) {
+                this.updateCursorPosition();
+            }
+        }
+        componentWillUnmount() {
+            clearTimeout(this.timeout);
+        }
     });