Conditional Rendering Select Input in Material-UI












0















I'm building an app that uses the Nasa API to show images of Mars in React. I want to create a filter to view different photos from different rovers and some of the cameras are different on the rovers so I made a conditional statement to render different camera options depending on the state of the rover. The problem I'm having is when I conditionally render the options and change the camera my state updates but the value in the select box remains the same. I tried mapping through the list and explicitly writing the options and it
still does not work. Here's a link to my Sandbox and the code that's the source of the problem. Thanks for the help.



// EXPLICIT METHOD

let Cameras
if (props.filter.rover === 'curiousity') {
Cameras = (
<Fragment>
<option selected value={'FHAZ'}>
FHAZ
</option>
<option value={'RHAZ'}>RHAZ</option>
<option value={'MAST'}>MAST</option>
<option value={'CHEMCAM'}>CHEMCAM</option>
<option value={'MAHLI'}>MAHLI</option>
<option value={'MARDI'}>MARDI</option>
<option value={'NAVCAM'}>NAVCAM</option>
</Fragment>
)
} else
{Cameras = (
<Fragment>
<option selected value={'FHAZ'}>
FHAZ
</option>
<option value={'RHAZ'}>RHAZ</option>
<option value={'NAVCAM'}>NAVCAM</option>
<option value={'PANCAM'}>PANCAM</option>
<option value={'MINITES'}>MINITES</option>
</Fragment>
)
}


// MAP METHOD
const CuriousityCameras = ['FHAZ', 'RHAZ', 'MAST', 'CHEMCAM', 'MAHLI', 'MARDI', 'NAVCAM']

const SpiritOpportunityCameras = ['FHAZ', 'RHAZ', 'NAVCAM', 'PANCAM', 'MINITES']

const CuriousityOptions = CuriousityCameras
.map(camera => <option value={camera}>{camera}</option>)

const SpiritOpportunityOptions = SpiritOpportunityCameras
.map(camera => <option value={camera}>{camera}</option>)


let Cameras;
if (props.filter.rover === 'curiousity') {
Cameras = CuriousityOptions
} else {
Cameras = SpiritOpportunityOptions
}


// JSX RETURN STATEMENT
<Select
native
value={props.filter.camera}
onChange={props.filterChange('camera')}
input={<FilledInput name="Camera" />}>
{Cameras}
</Select>









share|improve this question



























    0















    I'm building an app that uses the Nasa API to show images of Mars in React. I want to create a filter to view different photos from different rovers and some of the cameras are different on the rovers so I made a conditional statement to render different camera options depending on the state of the rover. The problem I'm having is when I conditionally render the options and change the camera my state updates but the value in the select box remains the same. I tried mapping through the list and explicitly writing the options and it
    still does not work. Here's a link to my Sandbox and the code that's the source of the problem. Thanks for the help.



    // EXPLICIT METHOD

    let Cameras
    if (props.filter.rover === 'curiousity') {
    Cameras = (
    <Fragment>
    <option selected value={'FHAZ'}>
    FHAZ
    </option>
    <option value={'RHAZ'}>RHAZ</option>
    <option value={'MAST'}>MAST</option>
    <option value={'CHEMCAM'}>CHEMCAM</option>
    <option value={'MAHLI'}>MAHLI</option>
    <option value={'MARDI'}>MARDI</option>
    <option value={'NAVCAM'}>NAVCAM</option>
    </Fragment>
    )
    } else
    {Cameras = (
    <Fragment>
    <option selected value={'FHAZ'}>
    FHAZ
    </option>
    <option value={'RHAZ'}>RHAZ</option>
    <option value={'NAVCAM'}>NAVCAM</option>
    <option value={'PANCAM'}>PANCAM</option>
    <option value={'MINITES'}>MINITES</option>
    </Fragment>
    )
    }


    // MAP METHOD
    const CuriousityCameras = ['FHAZ', 'RHAZ', 'MAST', 'CHEMCAM', 'MAHLI', 'MARDI', 'NAVCAM']

    const SpiritOpportunityCameras = ['FHAZ', 'RHAZ', 'NAVCAM', 'PANCAM', 'MINITES']

    const CuriousityOptions = CuriousityCameras
    .map(camera => <option value={camera}>{camera}</option>)

    const SpiritOpportunityOptions = SpiritOpportunityCameras
    .map(camera => <option value={camera}>{camera}</option>)


    let Cameras;
    if (props.filter.rover === 'curiousity') {
    Cameras = CuriousityOptions
    } else {
    Cameras = SpiritOpportunityOptions
    }


    // JSX RETURN STATEMENT
    <Select
    native
    value={props.filter.camera}
    onChange={props.filterChange('camera')}
    input={<FilledInput name="Camera" />}>
    {Cameras}
    </Select>









    share|improve this question

























      0












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      0








      I'm building an app that uses the Nasa API to show images of Mars in React. I want to create a filter to view different photos from different rovers and some of the cameras are different on the rovers so I made a conditional statement to render different camera options depending on the state of the rover. The problem I'm having is when I conditionally render the options and change the camera my state updates but the value in the select box remains the same. I tried mapping through the list and explicitly writing the options and it
      still does not work. Here's a link to my Sandbox and the code that's the source of the problem. Thanks for the help.



      // EXPLICIT METHOD

      let Cameras
      if (props.filter.rover === 'curiousity') {
      Cameras = (
      <Fragment>
      <option selected value={'FHAZ'}>
      FHAZ
      </option>
      <option value={'RHAZ'}>RHAZ</option>
      <option value={'MAST'}>MAST</option>
      <option value={'CHEMCAM'}>CHEMCAM</option>
      <option value={'MAHLI'}>MAHLI</option>
      <option value={'MARDI'}>MARDI</option>
      <option value={'NAVCAM'}>NAVCAM</option>
      </Fragment>
      )
      } else
      {Cameras = (
      <Fragment>
      <option selected value={'FHAZ'}>
      FHAZ
      </option>
      <option value={'RHAZ'}>RHAZ</option>
      <option value={'NAVCAM'}>NAVCAM</option>
      <option value={'PANCAM'}>PANCAM</option>
      <option value={'MINITES'}>MINITES</option>
      </Fragment>
      )
      }


      // MAP METHOD
      const CuriousityCameras = ['FHAZ', 'RHAZ', 'MAST', 'CHEMCAM', 'MAHLI', 'MARDI', 'NAVCAM']

      const SpiritOpportunityCameras = ['FHAZ', 'RHAZ', 'NAVCAM', 'PANCAM', 'MINITES']

      const CuriousityOptions = CuriousityCameras
      .map(camera => <option value={camera}>{camera}</option>)

      const SpiritOpportunityOptions = SpiritOpportunityCameras
      .map(camera => <option value={camera}>{camera}</option>)


      let Cameras;
      if (props.filter.rover === 'curiousity') {
      Cameras = CuriousityOptions
      } else {
      Cameras = SpiritOpportunityOptions
      }


      // JSX RETURN STATEMENT
      <Select
      native
      value={props.filter.camera}
      onChange={props.filterChange('camera')}
      input={<FilledInput name="Camera" />}>
      {Cameras}
      </Select>









      share|improve this question














      I'm building an app that uses the Nasa API to show images of Mars in React. I want to create a filter to view different photos from different rovers and some of the cameras are different on the rovers so I made a conditional statement to render different camera options depending on the state of the rover. The problem I'm having is when I conditionally render the options and change the camera my state updates but the value in the select box remains the same. I tried mapping through the list and explicitly writing the options and it
      still does not work. Here's a link to my Sandbox and the code that's the source of the problem. Thanks for the help.



      // EXPLICIT METHOD

      let Cameras
      if (props.filter.rover === 'curiousity') {
      Cameras = (
      <Fragment>
      <option selected value={'FHAZ'}>
      FHAZ
      </option>
      <option value={'RHAZ'}>RHAZ</option>
      <option value={'MAST'}>MAST</option>
      <option value={'CHEMCAM'}>CHEMCAM</option>
      <option value={'MAHLI'}>MAHLI</option>
      <option value={'MARDI'}>MARDI</option>
      <option value={'NAVCAM'}>NAVCAM</option>
      </Fragment>
      )
      } else
      {Cameras = (
      <Fragment>
      <option selected value={'FHAZ'}>
      FHAZ
      </option>
      <option value={'RHAZ'}>RHAZ</option>
      <option value={'NAVCAM'}>NAVCAM</option>
      <option value={'PANCAM'}>PANCAM</option>
      <option value={'MINITES'}>MINITES</option>
      </Fragment>
      )
      }


      // MAP METHOD
      const CuriousityCameras = ['FHAZ', 'RHAZ', 'MAST', 'CHEMCAM', 'MAHLI', 'MARDI', 'NAVCAM']

      const SpiritOpportunityCameras = ['FHAZ', 'RHAZ', 'NAVCAM', 'PANCAM', 'MINITES']

      const CuriousityOptions = CuriousityCameras
      .map(camera => <option value={camera}>{camera}</option>)

      const SpiritOpportunityOptions = SpiritOpportunityCameras
      .map(camera => <option value={camera}>{camera}</option>)


      let Cameras;
      if (props.filter.rover === 'curiousity') {
      Cameras = CuriousityOptions
      } else {
      Cameras = SpiritOpportunityOptions
      }


      // JSX RETURN STATEMENT
      <Select
      native
      value={props.filter.camera}
      onChange={props.filterChange('camera')}
      input={<FilledInput name="Camera" />}>
      {Cameras}
      </Select>






      material-ui






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      asked Nov 15 '18 at 18:41









      Oba OneOba One

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