How would I display pictures like a deck of cards allowing users to click the next/prev pictures?












0















As of now, I can display an image the user uploads onto the browser successfully like so.



if (redirectToStackAfterPhotoSubmit) {
return (
<Stack
imagesOnStack={this.state.url || 'http://via.placeholder.com/400x300'}
alt="Uploaded Images"
height="300"
Width="400"
/>
);
}


But this time, I want the user to have the ability to go the next or previous picture with the click of a button. I'm aware my attempt is trying to make a list, I only made it this way just to get idea of what I'm working with.



Directly below is my attempt. I feel like my map() might be a little off. What am I doing wrong and how can I fix it?



If you need anymore information/code please let me know



Here's Upload.js (didn't post everything because it's a large file)



this.state = {
url: '',
picture: ,
selectedPictureIndex: 0
};

render() {
const redirectToStackAfterPhotoSubmit = this.state.redirectToStackAfterPhotoSubmit;

const { picture } = this.state;

const picList = picture.map(pic => {
return(
<li key={pic.id}>{this.state.url[pic]}</li>
);
});

if (redirectToStackAfterPhotoSubmit) {
return (
<Stack
imagesOnStack={picList || 'http://via.placeholder.com/400x300'}
alt="Uploaded Images"
height="300"
Width="400"
/>
);
}
}









share|improve this question



























    0















    As of now, I can display an image the user uploads onto the browser successfully like so.



    if (redirectToStackAfterPhotoSubmit) {
    return (
    <Stack
    imagesOnStack={this.state.url || 'http://via.placeholder.com/400x300'}
    alt="Uploaded Images"
    height="300"
    Width="400"
    />
    );
    }


    But this time, I want the user to have the ability to go the next or previous picture with the click of a button. I'm aware my attempt is trying to make a list, I only made it this way just to get idea of what I'm working with.



    Directly below is my attempt. I feel like my map() might be a little off. What am I doing wrong and how can I fix it?



    If you need anymore information/code please let me know



    Here's Upload.js (didn't post everything because it's a large file)



    this.state = {
    url: '',
    picture: ,
    selectedPictureIndex: 0
    };

    render() {
    const redirectToStackAfterPhotoSubmit = this.state.redirectToStackAfterPhotoSubmit;

    const { picture } = this.state;

    const picList = picture.map(pic => {
    return(
    <li key={pic.id}>{this.state.url[pic]}</li>
    );
    });

    if (redirectToStackAfterPhotoSubmit) {
    return (
    <Stack
    imagesOnStack={picList || 'http://via.placeholder.com/400x300'}
    alt="Uploaded Images"
    height="300"
    Width="400"
    />
    );
    }
    }









    share|improve this question

























      0












      0








      0








      As of now, I can display an image the user uploads onto the browser successfully like so.



      if (redirectToStackAfterPhotoSubmit) {
      return (
      <Stack
      imagesOnStack={this.state.url || 'http://via.placeholder.com/400x300'}
      alt="Uploaded Images"
      height="300"
      Width="400"
      />
      );
      }


      But this time, I want the user to have the ability to go the next or previous picture with the click of a button. I'm aware my attempt is trying to make a list, I only made it this way just to get idea of what I'm working with.



      Directly below is my attempt. I feel like my map() might be a little off. What am I doing wrong and how can I fix it?



      If you need anymore information/code please let me know



      Here's Upload.js (didn't post everything because it's a large file)



      this.state = {
      url: '',
      picture: ,
      selectedPictureIndex: 0
      };

      render() {
      const redirectToStackAfterPhotoSubmit = this.state.redirectToStackAfterPhotoSubmit;

      const { picture } = this.state;

      const picList = picture.map(pic => {
      return(
      <li key={pic.id}>{this.state.url[pic]}</li>
      );
      });

      if (redirectToStackAfterPhotoSubmit) {
      return (
      <Stack
      imagesOnStack={picList || 'http://via.placeholder.com/400x300'}
      alt="Uploaded Images"
      height="300"
      Width="400"
      />
      );
      }
      }









      share|improve this question














      As of now, I can display an image the user uploads onto the browser successfully like so.



      if (redirectToStackAfterPhotoSubmit) {
      return (
      <Stack
      imagesOnStack={this.state.url || 'http://via.placeholder.com/400x300'}
      alt="Uploaded Images"
      height="300"
      Width="400"
      />
      );
      }


      But this time, I want the user to have the ability to go the next or previous picture with the click of a button. I'm aware my attempt is trying to make a list, I only made it this way just to get idea of what I'm working with.



      Directly below is my attempt. I feel like my map() might be a little off. What am I doing wrong and how can I fix it?



      If you need anymore information/code please let me know



      Here's Upload.js (didn't post everything because it's a large file)



      this.state = {
      url: '',
      picture: ,
      selectedPictureIndex: 0
      };

      render() {
      const redirectToStackAfterPhotoSubmit = this.state.redirectToStackAfterPhotoSubmit;

      const { picture } = this.state;

      const picList = picture.map(pic => {
      return(
      <li key={pic.id}>{this.state.url[pic]}</li>
      );
      });

      if (redirectToStackAfterPhotoSubmit) {
      return (
      <Stack
      imagesOnStack={picList || 'http://via.placeholder.com/400x300'}
      alt="Uploaded Images"
      height="300"
      Width="400"
      />
      );
      }
      }






      javascript reactjs debugging






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      asked Jan 1 at 17:43









      greyskiesgreyskies

      8917




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