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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  543

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  617

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  694

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  1053

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  616

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  1239

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  561

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  878

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  952

angular.js - Click event in Angularjs passes parameters to change the style of the class.

The picture I want to achieve is as follows: Now I have implemented the basic shape and function, but when I click on an icon and change the icon next to "Adapted Devices", this function does not produce the expected results. Please tell me which part I wrote wrong? 1. Here are the picture...

曾經(jīng)蠟筆沒有小新 2017-05-15 17:03:12 0  2  1012

javascript - antd's Tree component, does it support drag and drop restrictions?

When dragging the Tree component, I want to restrict the parent node from being dragged to the level of the child node, which means that only the child node can be dragged upward. Can this be supported by antd?

ringa_lee 2017-05-19 10:32:01 0  1  1047

Reorder array in state

I'm using zustand to create a global state with an array of to-do items, and I have functionality to add, remove, and toggle completion/undo for each to-do item. I also use DndKit to drag and drop each ToDo component and reorder them in the global context, for this I need to create a reorderTodo fun...

P粉741678385 2024-03-30 14:44:42 0  1  524

Step-by-step guide on dragging an image and placing it into the canvas

I'm trying to drag and drop some images inside the canvas with the same dimensions as I made them, but it doesn't work. //JavascriptperlacreazionedicirucuitielettriciconstNUMERO_CICLO=990;constNUMERO_CICLO_INTERNO=60;constresistor=document.getElementById("component_circuit_resi

P粉207483087 2024-02-17 14:46:45 0  1  564

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...}

曾經(jīng)蠟筆沒有小新 2017-06-28 09:29:02 0  4  1057

javascript - When using H5 drag and drop, why is the dragged element removed?

1. Please see the phenomenon: https://codepen.io/xuyu/proje... 2. The effect I want to achieve is to copy the dragged element to the specified area and do not want to delete the dragged element.

ringa_lee 2017-06-22 11:53:56 0  1  1118

Angular Material - Move element to new location

I need help with Angular material drag and drop. The idea is that I can move a black block on the screen along the Y axis, for this I use AngularMaterial drag and drop, for which I have 3 methods onDragMoved, onDragStart, onDragEnd. When I release the mouse I will add 100px to the height and when I ...

P粉121081658 2023-09-01 09:12:46 0  1  648

Using classList in Javascript function to add CSS classes, but styles conflict because latest class does not take precedence

My function counts the number of cards visible on the screen and if all are displayed then adds arrow-up class to my icon and if some cards are still hidden from user then arrow-down icon is added. constshowMoreIcon=document.querySelector('.cta-icon');functionmyFunction(){constbtnIcon=cardsOnShow>...

P粉738821035 2023-09-10 17:10:38 0  2  674

Use drag and drop to copy a hyperlink to the clipboard for pasting elsewhere

I have no experience or knowledge about coding. I'm trying to create a card with a quote for a WordPress blog post. There is a button on the card that allows the user to copy the quote directly to the clipboard. I would also like to copy the hyperlink: (Source) to my website. I've been running this ...

P粉419164700 2024-01-16 21:38:10 0  1  548

angular.js - angularjs ng-grid How to set a column to be non-dragable without scroll bars

1. A certain column cannot be dragged http://ui-grid.info/docs/#/api/ui.grid.class:GridOptions.columnDef. Because I set showGroupPanel: true, the drag-and-drop filtering API did not find that attribute. , let me set a certain column to be non-dragable. 2. No scroll bar http://ui-...

淡淡煙草味 2017-05-15 16:54:03 0  2  1494

javascript - jquery uploads multiple pictures and takes pictures for display

Recently, I encountered a function that I couldn't solve while writing code. As shown in the picture above, when I click on the camera icon, I can upload multiple pictures and take photos. My current idea is to put an input type=file on the camera icon. Tag, just hide it, so you can upload pictures ...

黃舟 2017-06-27 09:19:43 0  2  1447