Reputation: 921
I have a screen with buttons, common background and common title and changing nested components. Inside this screen I want to change nested components with a click of a button. Nested components must change each other in a circle with left and right button. So far I did a lots of attempts to achieve this ( I try to do it with withRouter), I give you code only of one of my attempts, but all of them didn't work. I don't get any errors, I see route in browser is changing but screen doesn't, I see only the first nested component. There is questions about this on SOF, but they related to older version of react-router. Here my code, if you need more information feel free to ask in comments.
import React, { Component } from 'react';
import { Link,
BrowserRouter as Router,
Route,
Switch,
withRouter } from 'react-router-dom';
import Info1 from './info/info1';
import Info2 from './info/info2';
import Info3 from './info/info3';
import Info4 from './info/info4';
class Info extends Component {
constructor(props) {
super(props);
this.currentIndex = 1;
}
componentDidMount() {
}
leftHandler() {
console.log("left click");
var temp = this.currentIndex;
this.changeScreen(--temp);
}
rightHandler() {
console.log("right click");
var temp = this.currentIndex;
this.changeScreen(++temp);
}
changeScreen(index) {
const numberOfScreens = 4;
if(index < 1)
this.currentIndex = numberOfScreens;
else if(index > numberOfScreens)
this.currentIndex = 1;
else
this.currentIndex = index;
this.props.history.push("/info/" + this.currentIndex);
}
render() {
return (
<Router>
<div className="info-common">
<img className="game-title info-game"/>
<Switch>
<Route path="/info/1" component={ Info1 }/>
<Route path="/info/2" component={ Info2 }/>
<Route path="/info/3" component={ Info3 }/>
<Route path="/info/4" component={ Info4 }/>
</Switch>
<Link to="/rings"><button className="back-info-btn">назад</button></Link>
<button onClick={ this.leftHandler.bind(this) } className="left-info-btn"></button>
<button onClick={ this.rightHandler.bind(this)} className="right-info-btn"></button>
</div>
</Router>
);
}
}
Info.propTypes = {
history: React.PropTypes.shape({
push: React.PropTypes.func.isRequired,
}).isRequired,
location: React.PropTypes.isRequired,
};
export default withRouter(Info);
EDIT: While I accepted given answer, I didn't test it, in my project I used this solution:
app.js
import {
BrowserRouter as Router,
Route,
Link
} from 'react-router-dom';
...
render() {
return (
<div id='game-container' width="1236" height="634">
<Router>
<div>
<Route path="/info" component={ Info }/>
</div>
</Router>
</div>
);
}
Then in Info itself:
Info.js
class Info extends Component {
constructor(props) {
super(props);
this.currentIndex = 1;
}
leftHandler() {
console.log("left click");
var temp = this.currentIndex;
this.changeScreen(--temp);
}
rightHandler() {
console.log("right click");
var temp = this.currentIndex;
this.changeScreen(++temp);
}
changeScreen(index) {
const numberOfScreens = 4;
if(index < 1)
this.currentIndex = numberOfScreens;
else if(index > numberOfScreens)
this.currentIndex = 1;
else
this.currentIndex = index;
this.props.history.push("/info/" + this.currentIndex);
}
render() {
return (
<div className="info-common">
<img className="game-title info-game" src={ this.drawGame() }/>
<Switch>
<Route path={`${this.props.match.path}/1`} component={ Info1 }/>
<Route path={`${this.props.match.path}/2`} component={ Info2 }/>
<Route path={`${this.props.match.path}/3`} component={ Info3 }/>
<Route path={`${this.props.match.path}/4`} component={ Info4 }/>
</Switch>
<Link to="/rings"><button className="back-info-btn">назад</button></Link>
<button onClick={ this.leftHandler.bind(this) } className="left-info-btn"></button>
<button onClick={ this.rightHandler.bind(this)} className="right-info-btn"></button>
</div>
);
}
}
Info.propTypes = {
history: React.PropTypes.shape({
push: React.PropTypes.func.isRequired,
}).isRequired,
location: React.PropTypes.object.isRequired,
};
export default withRouter(Info);
Upvotes: 0
Views: 941
Reputation: 286
If you wrap a component in withRouter
, you can only use it inside a <Router>
, just like <Route>
s etc.
To get your example working, you need to make <Info>
a child of <Router>
, since it uses withRouter
. First, remove the <Router>
from the render
method, and just render the <div>
as the top-level component:
render() {
return (
<div className="info-common">
<img className="game-title info-game"/>
<Switch>
<Route path="/info/1" component={ Info1 }/>
<Route path="/info/2" component={ Info2 }/>
<Route path="/info/3" component={ Info3 }/>
<Route path="/info/4" component={ Info4 }/>
</Switch>
<Link to="/rings">
<button className="back-info-btn">назад</button>
</Link>
<button onClick={ this.leftHandler.bind(this) } className="left-info-btn"></button>
<button onClick={ this.rightHandler.bind(this)} className="right-info-btn"></button>
</div>
)
}
Then, wherever you render <Info />
, render <Router><Info /></Router>
instead. Or, add an extra component that renders the two, and use that component instead of <Info />
.
// Option 1: render <Router> wherever you use <Info>
import Info from './info';
...
ReactDOM.render(<Router><Info /></Router>);
// Option 2: add another component that wraps <Info> in a Router,
// either as the new export of the module, or as a new module
const App = () => (
<Router>
<Info />
</Router>
);
export default App;
Upvotes: 1