DateRangePicker Closes Modal On Date Selection Bug

Alex Johnson
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DateRangePicker Closes Modal On Date Selection Bug

DateRangePicker Closes Modal on Date Selection Bug: A Deep Dive

Hey guys, let's dive into a pretty annoying bug that pops up when you're using the DateRangePicker component within a Modal. The issue? Selecting a date in the DateRangePicker unexpectedly triggers the onClose function of the Modal, which can totally mess up the user experience. I'll walk you through the problem, the code, and what's likely going wrong, along with some potential solutions.

The Core Problem: Unexpected Modal Closure

The heart of the issue is that when you select a date range using the DateRangePicker nested inside a Modal, the modal decides to close itself. Instead of just updating the date range as expected, the modal's onClose function gets called. This behavior disrupts the workflow, especially if the modal is used for data entry, editing, or other processes where you need to keep the modal open after the date selection. Imagine you're trying to set a date range for a promotion, and every time you select the end date, the modal vanishes! Not cool, right?

Code Breakdown and Context

Let's take a look at the code snippet to understand how this is set up. The provided code shows a Modal component containing several input fields, a Select component, a Checkbox, and, importantly, the DateRangePicker. The DateRangePicker is where the problem originates. Here is a breakdown:

<Modal isOpen={isOpen} onClose={closeModal}>
  <ModalContent>
    <ModalHeader>{editionMode ? 'Edition de HDR' : 'Ajout de HDR'}</ModalHeader>
    <ModalBody>
      <Input name="amount" type="number" label="Montant" isRequired={true} value={amount} onChange={(e) => setAmount(e.target.value)} />
      <Input name="baseAmount" type="number" label="Montant de base" value={baseAmount} onChange={(e) => setBaseAmount(e.target.value)} />
      {
        <Input
          name="totalAmount"
          type="number"
          label="Montant total calculé"
          value={baseAmount ? (Number(baseAmount) + Number(amount)).toString() : ''}
          isDisabled
        />
      }
      <Select name="type" label="Type" isRequired={true} onChange={(e) => setType(e.target.value)} selectedKeys={[type]}>
        <SelectItem key="PERCENTAGE">Pourcentage</SelectItem>
        <SelectItem key="FLAT">Montant fixe</SelectItem>
      </Select>
      <Select name="currency" label="Devise" isRequired={true} selectedKeys={[currency]} onChange={(e) => setCurrency(e.target.value)}>
        <SelectItem key="EUR">Euro</SelectItem>
        <SelectItem key="GBP">Livre Sterling</SelectItem>
      </Select>
      <DateRangePicker
        label="Période"
        startName="start"
        endName="end"
        description="Débute à 00h01 et finit à 23h59"
        isRequired
        value={range}
        onChange={setRange}
      />
      <Input type="text" name="comment" label="Commentaire" value={comment} onChange={(e) => setComment(e.target.value)} />
      <Checkbox isSelected={boost} onValueChange={setBoost}>
        Boost
      </Checkbox>
      {formError && <div className="text-red-500">{formError}</div>}
      {overlappingHdrsMessage && <div className="text-orange-500">{overlappingHdrsMessage}</div>}
    </ModalBody>
    <ModalFooter>
      {editionMode && (
        <Button color={'danger'} className="mr-auto" onClick={handleDelete}>
          Supprimer
        </Button>
      )}
      <Button color={'default'} onClick={closeModal}>
        Fermer
      </Button>
      <Button type="button" color={'success'} onClick={handleSave}>
        {editionMode ? 'Editer' : 'Ajouter'}
      </Button>
    </ModalFooter>
  </ModalContent>
</Modal>

In this setup, the Modal component has an isOpen prop to control its visibility and an onClose prop that’s triggered when the modal is closed. The DateRangePicker has onChange to update date selections. The bug suggests the DateRangePicker interaction somehow triggers onClose, which is not the intended behavior.

Root Causes and Possible Culprits

There are a few likely suspects for what might be causing this issue:

  • Event Propagation: A click event within the DateRangePicker could be bubbling up and unintentionally triggering the onClose handler. This is a common problem, especially if the event isn't handled correctly within the DateRangePicker component itself.
  • Incorrect Event Binding: There might be a problem with how events are being bound within the DateRangePicker or in the interaction between the DateRangePicker and the Modal. If the event handlers aren't set up correctly, it can lead to unexpected behavior.
  • Library Bug: There's a possibility of a bug within the DateRangePicker component itself, specifically within the HeroUI library (version 2.8.4). The author attempted to upgrade to version 2.8.5, but it caused UI issues, preventing further investigation into a potential library bug. It's not uncommon for bugs to exist in third-party libraries, especially with specific combinations of components.
  • Focus Management: When a date is selected, the focus might be shifting in a way that unintentionally triggers the onClose of the modal. This is less common, but it's still a possibility.

Troubleshooting Steps and Solutions

Let's get this fixed. Here's a troubleshooting guide to pinpoint and resolve the bug, along with potential solutions:

  1. Event Listener Inspection: The first step is to examine the event listeners. Use your browser's developer tools (right-click, 'Inspect', then go to the 'Elements' tab) to check the event listeners on the DateRangePicker and the Modal. Look for any unexpected listeners that might be causing the onClose to fire.

  2. Event Propagation Prevention: If you find an event bubbling issue, try using event.stopPropagation() within the DateRangePicker's event handlers. This stops the event from propagating up the DOM tree, potentially preventing it from reaching the Modal's onClose handler.

    // Example within DateRangePicker's onChange handler
    const handleChange = (event) => {
      // Your date selection logic
      event.stopPropagation(); // Prevent event bubbling
    };
    
  3. Check DateRangePicker's Code: If you have access to the DateRangePicker component's code, review how it handles events, especially click events. Make sure there aren't any obvious issues that could be causing the modal to close.

  4. Update the Library (Carefully): If possible, and if the UI issues in version 2.8.5 can be addressed, try upgrading to the latest version of the HeroUI library. Newer versions might have fixed this bug. Be sure to thoroughly test your application after the update to ensure compatibility.

  5. Custom onClose Handler: Wrap the Modal's onClose handler with a custom function. In this function, check the event target or a flag to see if the onClose should actually execute. This provides a way to conditionally prevent the modal from closing. This is more of a workaround than a true fix.

    const customCloseModal = (event) => {
      // Add condition if it is triggered from dateRangePicker
      if (!event.target.classList.contains('date-range-picker-element')) {
        closeModal(); // Original onClose
      }
    };
    
    <Modal isOpen={isOpen} onClose={customCloseModal}>
    {/* ... */}
    </Modal>
    
  6. Review Component Composition: Double-check the composition of your components. Ensure that the DateRangePicker is correctly nested within the Modal and that no other components are interfering with the event handling.

Additional Information

The provided information includes details about the HeroUI version (2.8.4) and the project's dependencies. The dependencies list helps determine what other libraries the project uses, but it does not directly help resolve the core issue. The included video demonstrates the bug. This issue appears to be specific to the combination of the DateRangePicker and the Modal components, making it a tricky problem to solve without diving into the underlying code or library. The author also mentioned the DateRangePicker's onChange not being called. It’s crucial to ensure the onChange event is correctly bound to the date selection updates. This will help keep your application running smoothly and minimize frustrating user experiences.

Conclusion

Finding and fixing the 'DateRangePicker closes Modal' bug requires you to identify what’s causing that unwanted close action. By examining event listeners, testing the event flow, and considering library-specific issues, you can find the root cause and apply the right fix. Remember to test every change to ensure it resolves the bug and doesn't introduce new ones. Happy debugging!

For more insights on event handling and React component interactions, you might find helpful resources on the React documentation website at react.dev. It offers detailed guides and best practices for building robust and well-behaved components.

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