javascript - Add drag and drop function to tree component

I'm currently working on a tree component that has click and double-click events. Now I want to add the drag and drop function. Does anyone have a better idea for implementing drag and drop? What should I do if events such as mousedown and mousemove conflict with the click event?

怪我咯 2017-05-19 10:19:48 0  1  484

Accessing drag-and-drop elements in HTML: a comprehensive guide

The 'dragenter' event is fired when a dragged element enters a drag-and-drop element. This event is attached to the drop element so I can access it. Where is the dragged element?

P粉316890884 2023-08-01 10:13:18 0  1  588

javascript - HTML5 drag and drop does not work on the pad, how to solve it

HTML5 drag and drop cannot be used on the pad and the dragStart event cannot be triggered.

滿天的星座 2017-06-29 10:10:07 0  1  974

Drag-and-drop method for adding text fields to user-uploaded PDFs

Please someone explain to me how to drag and drop a text field into an uploaded PDF like adobesign. I'm trying to make a React app using DocuSignAPI and I need to add fields to a PDF.

P粉232793765 2024-03-31 09:46:21 0  1  459

JavaScript implements the drag-and-drop function of multiple elements

I found this code which allows you to drag and drop an item within a specific area, but I can't rewrite it to allow multiple elements to be dragged and dropped because I don't know how to get the id of the dragged object from the drop_handler function . letoffsetX;letoffsetY;onDragStart=function(ev)...

P粉276064178 2024-01-10 16:54:21 0  1  536

mysql - How to insert into the database after drag and drop reordering?

It is an article pagination, for example, ten pages, and the serial number is 1-10; one page stores a piece of data, but how do I sort it in the database after dragging it randomly?? The drag-and-drop modifications of each page are saved in the database in real time. I Now there are two ideas. One i...

某草草 2017-05-18 10:56:17 0  1  1167

javascript - Can drag-and-drop layout not be implemented on the mobile terminal?

If you swap the first div and the second div on the mobile side, the body will scroll down. I don’t have any ideas at the moment and I don’t want to reinvent the wheel. Is there any effect like http://www.jq22.com/demo/drag...? {code...}

曾经蜡笔没有小新 2017-06-28 09:29:02 0  4  984

javascript - js drag and drop problem

Drag a div to different areas, how to determine which area it is dragged to? Please select different option areas when dragging as shown in the figure, how to determine which area it is dragged to?

巴扎黑 2017-06-28 09:26:59 0  5  790

Use mouse wheel for page zoom, click and drag to pan the page

How to create scrolling and panning effects for the entire page using the mouse wheel? Basically just like any 2D editor, scroll to zoom and click and drag to pan, but for the entire body. I can't find any information about it online.

P粉308783585 2024-03-26 14:11:27 0  1  393

javascript - swiper.js has nested swiper. The initial setting cannot slide to the next one. Re-initialize after the end.

{Code...} Drag and drop completed {Code...} How to re-initialize?

漂亮男人 2017-06-28 09:27:46 0  1  868

javascript - How to implement the drag-and-drop function of jquery ui to stop drag-and-drop when certain conditions are met

As shown in the picture, I can drag the small dot in the lower right corner to zoom the image. Since the zoom function of jquery ui cannot be satisfied, I wrote this myself. Now I need to drag the small dot in the lower right corner to the position in Figure 2. , you can no longer continue dragging ...

某草草 2017-05-19 10:42:24 0  1  493