Crafting a Seamless Admin System: Navigating Drag-and-Drop Challenges

2024-01-28

For this project, I was tasked with developing an Admin System catering to specific user roles, where drag and drop functionality was paramount for card rearrangement. Here's the process on how I approach this task:

1. Research and Understanding:

• I researched existing implementations of drag and drop functionality.
• I then invested time in understanding the underlying logic behind drag and drop operations.
• Next, I broke down project requirements into user stories.
• User stories helped articulate product functionality with clarity.
• Defined roadmap with precision, ensuring comprehensive understanding of project scope and requirements.

2. Frontend Focus:

• As a Frontend Developer, I not only need to make sure that the functionality works but I also focus on the UX and the visuals.
• I ensured smooth user experience through visual cues like hover outlines and graceful animations during dragging.

3. Collaborative Efforts:

• I collaboration with my colleague to ensure seamless integration of frontend and backend components.
• We rigorously tested the page and its functions multiple times, conducting thorough reviews of each other's code to ensure adherence to standards.
• Our focus was on maintaining code readability and simplicity throughout the development process.

Here's my main key learnings from this project:

'splice()' is a method in JavaScript arrays that allows you to modify the contents of an array by removing or replacing existing elements and/or adding new elements in place.

array.splice(startIndex, deleteCount, item1, item2, ...);

startIndex: The index at which to start modifying the array. deleteCount: The number of elements to remove from the array, starting from the startIndex. item1, item2, ...: The elements to insert into the array at the startIndex.

Here's an example of splice() can be used in a class component:

import React, { Component } from 'react';

class ExampleComponent extends Component {
  state = {
    numbers: [1, 2, 3, 4, 5],
  };

  handleSplice = () => {
    // Remove 2 elements starting from index 2, and insert 'x' and 'y' at that index
    this.state.numbers.splice(2, 2, 'x', 'y');

    this.setState({ numbers: this.state.numbers });
  };

  render() {
    return (
      <div>
        <button onClick={this.handleSplice}>Splice Array</button>
        <ul>
          {this.state.numbers.map((number, index) => (
            <li key={index}>{number}</li>
          ))}
        </ul>
      </div>
    );
  }
}

export default ExampleComponent;

The handleSplice method modifies the numbers array using splice(). It removes 2 elements starting from index 2 and inserts 'x' and 'y' at that index. Clicking the button triggers the handleSplice method, which updates the state and re-renders the component to reflect the changes in the array.

Linking back to the drag and drop task, 'splice()' is important in drag and drop operations because it allows us to dynamically modify the order of elements within an array, which is often used to reflect the visual rearrangement of items in a UI component.

Conclusion:

In conclusion, our project journey underscored the critical importance of meticulous planning and a deep understanding of the task at hand. By breaking down the project into manageable user stories and leveraging collaborative efforts, we successfully implemented a seamless drag and drop feature, ensuring a user-friendly experience for our Admin System.

---

Also on codewithkatyrosli.com

Unleashing Leaflet Map Magic: Elevating User Experience with a Polished Touch, 2024-02-04

In the dynamic realm of web development, refining user interfaces to optimize functionality and experience remains a perpetual pursuit. Within my team, our latest endeavor centers on elevating the efficacy and user engagement of the map page—a pivotal component of our platform. Drawing from my involvement in the Geo Game App project here, wherein I previously integrated Leaflet Map, I embarked on this task armed with insights into both the merits and limitations of this renowned mapping library. Grounded in a commitment to thoroughness, I initiated the process by revisiting and meticulously studying the documentation of Leaflet Map.

Read More