I am trying to make a website with ReactJS. In my website I have a slice button on the main page;
When you click the slice button, each side shows a different image.
I add links to the Menu bar as well for the slice button (I am going to call Left - Right) so when you click the link, the first go to the part of the main page then it moves the slice button and shows the image.
I do not have any problem with the links when I am on the main page but the problem is; I am using same Menu bar for all pages and when I click the Left
and the Right
right links in the Menu on a different page it stops.
The links open the main page but stay the beginning of the main page.
UPDATE 2: Although the problem is not with the Toggle button
but I want to add the toggle function in the main page that you can see all.
Note: I remove toggle button
but links are not working (Right I cannot see the buttons when I remove the function but when I click the link in the menu, the page does not link to exact part of the button placed in the main page so still I have the same problem .)
Here is my ChangeViewButtonClick
function in main;
import React, { Component } from "react";
class Main extends React.Component{
constructor(props) {
super(props);
this.state = {
view: "Left"
};
this.ChangeViewButtonClick = this.ChangeViewButtonClick.bind(this);
this.ChangeViewToggle = this.ChangeViewToggle.bind(this);
}
togglePopup() {
this.setState({
showPopup: !this.state.showPopup
});
}
ChangeViewToggle() {
if (this.refs.toggle.state.checked === true) {
this.setState({ view: "Left" });
this.refs.toggle.state.checked = false
} else {
this.setState({ view: "Right" });
this.refs.toggle.state.checked = true
}
}
ChangeViewButtonClick(view) {
if (view === "Left") {
this.setState({ view: "Left" });
this.refs.toggle.state.checked = true
} else if (view === "Right") {
this.setState({ view: "Right" });
this.refs.toggle.state.checked = false
}
}
render(){
return(
<div>
<h1>
<footer className="togglefooter">
<label>
<span style={{ color: "black", fontWeight: "normal" }}>
Left
</span>
<Toggle
id="toggle"
ref="toggle"
defaultChecked={this.state.view}
icons={false}
onChange={() => this.ChangeViewToggle()}
/>
<span style={{ color: "black", fontWeight: "normal" }}>
Right
</span>
</label>
</footer>
</h1>
</div>
);
}
}
and this is my Menu Page ;
import React from 'react';
import { Collapse, Navbar, NavbarToggler, NavbarBrand, NavLink} from 'reactstrap';
import { HashLink as Link } from 'react-router-hash-link';
class Menu extends React.Component {
constructor(props) {
super(props);
this.toggle = this.toggle.bind(this);
this.state = {
isOpen: false
};
}
toggle() {
this.setState({
isOpen: !this.state.isOpen
});
}
render() {
return(
<Navbar light expand="md">
<NavbarToggler onClick={this.toggle} />
<Collapse isOpen={this.state.isOpen} navbar>
<nav className="nav">
<ul className="nav__menu">
<li className="nav__menu-item">
<NavLink to="#" tag= {Link} >
Images
</NavLink>
<Image_SubMenu ChangeViewButtonClick{this.props.ChangeViewButtonClick}/>
</li>
<li className="nav__menu-item">
<NavLink tag={Link} to="/main#something">
Something
</NavLink>
</li>
</ul>
</nav>
</Collapse>
</Navbar>
);
}
}
class Image_SubMenu extends React.Component {
constructor(props) {
super(props);
}
render() {
return (
<ul className="nav__submenu">
<li className="nav__submenu-item ">
<NavLink to="/main#map" tag={Link} onClick={evt => this.props.ChangeViewButtonClick("Left")}>
Left Image
</NavLink>
</li>
<li className="nav__submenu-item ">
<NavLink to="/main#map" tag={Link} onClick={evt => this.props.ChangeViewButtonClick("Right")} >
Right Image
</NavLink>
</li>
</ul>
)
}
}
export default Menu;
How can I fix the link that if I click on the link anywhere on the website then shows me Left
or Right
images
I found a few articles about delegated events
unfortunately I could not figure out.
Thanks in advance
Note that this is only part of the code and just paste the part that you need so if I miss something please tell me so can be a few typos.
Update: I would like to add my other two pages here because the information that I shared might not be enough.
I am trying to click links that are inside the Menu
and I have the problem
About page:
import React from "react";
import ReactGA from 'react-ga'
//Import components
import Footer from "./components/Footer.js";
import Menu from "./components/Menu.js";
function About(props) {
return (
<div>
<div className="bgded overlay">
{/* Menu Component */}
<Menu ChangeViewButtonClick={props.ChangeViewButtonClick}/>
</div>
{/* Start of Project Aims */}
<a id ="aims" />
<div className="wrapper row3">
<main className="hoc container clear" style={{ paddingTop: "30px" }}>
<article className="one_third first" style={{ width: "100%" }}>
<h4 className="font-x2 font-x3">
Something about project
</h4>
<p>Something is here too..</p>
</article>
<div className="clear" />
</main>
</div>
{/* Footer Component */}
<Footer />
</div>
);
}
export default About;
Report Page:
import React, { Component } from "react";
import ReactGA from 'react-ga';
import ReactDependentScript from 'react-dependent-script';
import Footer from "./components/Footer.js";
import Menu from "./components/Menu.js"
//Import PNG Image
//import { domain } from "./config.json";
import GraphHover from "./components/GraphHover.js";
class report extends Component {
constructor(props) {
super(props);
this.state = {
displayGraph: "none",
graphTitle: null,
graphPreview: null,
graphHoverLeft: "0",
previewImages: null,
};
this._onMouseLeave = this._onMouseLeave.bind(this);
this.DisplayHoverGraph = this.DisplayHoverGraph.bind(this);
}
_onMouseLeave(evt) {
this.setState({ displayGraph: "none" });
}
DisplayHoverGraph(input, image, evt) {
//Disable hover effect if on a mobile device
if (!this.props.isMobileDevice) {
this.setState({
graphTitle: input,
previewImage: image,
displayGraph: "inline"
});
if (evt.clientX < window.screen.width / 2) {
this.setState({ graphHoverLeft: "1200px" });
} else {
this.setState({ graphHoverLeft: "0" });
}
}
}
componentDidMount() {
console.log(window.test)
}
render() {
return (
<div>
<GraphHover
position="fixed"
top={this.state.graphHoverTop}
left={this.state.graphHoverLeft}
displayPreview={true}
display={this.state.displayGraph}
graphTitle={this.state.graphTitle}
previewImage={this.state.previewImage}
graphHeadingSize={this.state.graphHeadingSize}
width={this.state.graphHoverWidth}
height={this.state.graphHoverHeight}
/>
<div className="bgded overlay">
{/* Menu */}
<Menu ChangeViewButtonClick={this.props.ChangeViewButtonClick} />
</div>
<div className="wrapper row3">
<a id="sumary" />
<main className="hoc container clear" style={{ paddingTop: "30px" }}>
<div className="clear" />
</main>
</div>
<Footer />
</div>
);
}
}
export default report;
import React from 'react'; function App() { function refreshPage() { window. location. reload(false); } return ( <div> <button onClick={refreshPage}>Click to reload!
var something = (function() { var executed = false; return function(value) { // if an argument is not present then if(arguments. length == 0) { if (! executed) { executed = true; //Do stuff here only once unless reset console.
The JavaScript in operator is used to check if a specified property exists in an object or in its inherited properties (in other words, its prototype chain). The in operator returns true if the specified property exists. Anatomy of a simple JavaScript object.
To stop the execution of a function in JavaScript, use the clearTimeout() method.
You need to pass the prop ChangeViewButtonClick via the parent Class (In your case, Main ) to the child class (In your case the class About or class Report ).
So your structure would be like this -
Main
----About
----Report.
The reason I am mentioning that about and report will be child of your Main class because they are accessing the prop function like this <Menu ChangeViewButtonClick={this.props.ChangeViewButtonClick} />
where this.props.ChangeViewButtonClick should be made available to report and about page.
Note: You might need to add a navigation logic to load the respective pages. I will give a simple snippet below
import React, { Component } from "react";
import Menu from './Menu'
import report from "./report"
import about from "./about"
class Main extends React.Component{
constructor(props) {
super(props);
this.state = {
view: "Left"
};
this.ChangeViewButtonClick = this.ChangeViewButtonClick.bind(this);
}
ChangeViewButtonClick(view) {
if (view === "Left") {
this.setState({ view: "Left" });
this.refs.toggle.state.checked = true
} else if (view === "Right") {
this.setState({ view: "Right" });
this.refs.toggle.state.checked = false
}
}
render(){
return(
<div>
<h1>Main Page is Here </h1>
// Some navigation logic between the pages below
<report onChangeViewButtonClick={this.ChangeViewButtonClick} />
<about onChangeViewButtonClick={this.ChangeViewButtonClick} />
</div>
);
}
}
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