Can input text

src/App.tsx

@@ -1,12 +1,15 @@
 import React from 'react';
 import './App.css';
 import { Button, createMuiTheme, ThemeProvider } from '@material-ui/core';
-import { ApplicationDialogsProvider, matAlert, matConfirm } from './ui/widgets/DialogsProvider';
+import { ApplicationDialogsProvider, input, matAlert, matConfirm } from './ui/widgets/DialogsProvider';
+import { lightBlue, pink } from '@material-ui/core/colors';
 
 function App() {
   const darkTheme = createMuiTheme({
     palette: {
       type: 'dark',
+      primary: lightBlue,
+      secondary: pink,
     },
   });
 
@@ -20,6 +23,13 @@ function App() {
 
         <Button onClick={()=>matAlert("heloo!!")}>alert</Button>
         <Button onClick={()=>matConfirm("heloo!!").then((r) => matAlert("response: " + r))}>confirm</Button>
+        <Button onClick={()=>input({
+          label: "Your best joke",
+          message: "Please share your best joke:", 
+          initialValue: "initial",
+          minLength: 2,
+          maxLength: 10,
+          }).then((r) => matAlert("you wrote: " + r))}>input</Button>
       </div>
     </ThemeProvider>
   );

src/ui/widgets/DialogsProvider.tsx

@@ -4,11 +4,20 @@
  * @author Pierre Hubert
  */
 
-import { Dialog, DialogTitle, DialogContent, DialogContentText, DialogActions, Button } from "@material-ui/core";
+import { Dialog, DialogTitle, DialogContent, DialogContentText, DialogActions, Button, TextField } from "@material-ui/core";
 import React from "react";
 
 let cache : ApplicationDialogsProvider;
 
+export interface TextInputOptions {
+    title ?: string,
+    message ?: string,
+    initialValue ?: string,
+    minLength ?: number,
+    maxLength ?: number,
+    label : string,
+}
+
 interface AppDiagProvState {
 
     // Alert dialog
@@ -20,11 +29,19 @@ interface AppDiagProvState {
     showConfirm: boolean,
     resolveConfirm ?: (confirmed: boolean) => void,
 
+    // Text input dialog
+    showInputDialog: boolean,
+    inputValue: string,
+    inputOptions: TextInputOptions,
+    resolveInput ?: (text: string) => void,
+
 }
 
 export class ApplicationDialogsProvider extends React.Component<{}, AppDiagProvState> {
     private acceptConfirm: () => void;
     private rejectConfirm: () => void;
+    private cancelInput: () => void;
+    private  confirmInput: () => void;
 
     constructor(props: any) {
         super(props);
@@ -35,15 +52,28 @@ export class ApplicationDialogsProvider extends React.Component<{}, AppDiagProvS
             alertMessage: "",
             showAlert: false,
 
+            // Confirm dialog
             showConfirm: false,
             confirmMessage: "",
             resolveConfirm: undefined,
+
+            // Text input dialog
+            showInputDialog: false,
+            inputValue: "",
+            inputOptions: {
+                label: ""
+            },
+            resolveInput: undefined, 
         };
 
         this.handleCloseAlert = this.handleCloseAlert.bind(this);
 
         this.acceptConfirm = this.handleCloseConfirm.bind(this, true);
         this.rejectConfirm = this.handleCloseConfirm.bind(this, false);
+
+        this.handleInputValueChanged = this.handleInputValueChanged.bind(this);
+        this.cancelInput = this.handleCloseInput.bind(this, true);
+        this.confirmInput = this.handleCloseInput.bind(this, false);
     }
 
     showAlert(message: string) {
@@ -75,6 +105,43 @@ export class ApplicationDialogsProvider extends React.Component<{}, AppDiagProvS
         this.state.resolveConfirm && this.state.resolveConfirm(accept);
     }
 
+    showInput(options: TextInputOptions) : Promise<string> {
+        return new Promise((res, _rej) => {
+            this.setState({
+                showInputDialog: true,
+                inputOptions: options,
+                resolveInput: res,
+                inputValue: options.initialValue || ""
+            });
+        });
+    }
+
+    handleInputValueChanged(e: React.ChangeEvent<HTMLInputElement>){
+        this.setState({inputValue: e.target.value});
+    }
+
+    handleCloseInput(cancel: boolean) {
+        this.setState({
+            showInputDialog: false
+        });
+
+        if (!cancel)
+            this.state.resolveInput && this.state.resolveInput(this.state.inputValue);
+    }
+    
+    get isInputValid() : boolean {
+        const options = this.state.inputOptions;
+        const value = this.state.inputValue;
+
+        if (options.minLength && value.length < options.minLength)
+            return false;
+
+        if (options.maxLength && value.length > options.maxLength)
+            return false;
+
+        return true;
+    }
+
     render() {
         cache = this;
 
@@ -125,6 +192,39 @@ export class ApplicationDialogsProvider extends React.Component<{}, AppDiagProvS
                     </Button>
                 </DialogActions>
             </Dialog>
+
+            {/* Text input dialog */}
+            <Dialog
+                open={this.state.showInputDialog}
+                onClose={this.rejectConfirm}
+                aria-labelledby="alert-dialog-title"
+                aria-describedby="alert-dialog-description"
+            >
+                <DialogTitle id="alert-dialog-title">
+                    {this.state.inputOptions.title || this.state.inputOptions.label}
+                </DialogTitle>
+                <DialogContent>
+                    {this.state.inputOptions.message ? <DialogContentText id="alert-dialog-description">
+                        {this.state.inputOptions.message} <br /><br />
+                    </DialogContentText> : <span></span> }
+
+                    <TextField 
+                        label={this.state.inputOptions.label} 
+                        variant="outlined" 
+                        value={this.state.inputValue}
+                        onChange={this.handleInputValueChanged}
+                        
+                    />
+                </DialogContent>
+                <DialogActions>
+                    <Button onClick={this.cancelInput} color="default">
+                        Cancel
+                    </Button>
+                    <Button onClick={this.confirmInput} color="default" disabled={!this.isInputValid}>
+                        OK
+                    </Button>
+                </DialogActions>
+            </Dialog>
         </div>)
     }
 }
@@ -136,3 +236,7 @@ export function matAlert(msg: string) {
 export function matConfirm(msg: string) : Promise<boolean> {
     return cache.showConfirm(msg);
 }
+
+export function input(options: TextInputOptions) : Promise<string> {
+    return cache.showInput(options);
+}