Is there a way to modify item once dropped into Drop Target with React DND ? I have a basic Card with an image and text block. By default, the text is not shown (display: none).
I would be able to change this attribute so that once dropped, text block is shown in drop zone..
Can someone explains me how I can do that please?
I tried with endDrag function but it is the drag source which is modified, not the drag item itself...
Thanks.
Related
As anyone can notice it, in the schedule external drag drop demo , someone can drag the event from the TreeView list and when it get near to the right page edge then the page scrolls to the right.
Here is a screenshot showing it.
It's occuring also in our app and it's rather annoying.
We wish there will be a fix for this issue.
Greetings from Syncfusion Support.
We have checked your reported problem that dragging a TreeView node that produces the scroller in the output web page. Currently, we don’t have any property to prevent the scroll when dragging a TreeView node. However, we have already considered this as a feature from our end. It will be included in our Volume 2 Release which is expected to be released in June 2020.
Track the below link to know the feature status.
https://www.syncfusion.com/feedback/13575/need-to-provide-the-option-to-set-the-drag-area-in-treeview-component
But, you can resolve your issue by setting the target for dragArea of TreeView’s drag object in the created event. When setting the target, you can drag the element only inside the target element. It prevents the element from scrolling exceeding that element.
Please, check out the sample with the above explained solution.
Sample: https://stackblitz.com/edit/react-jqzozo-gqpyve?file=index.js
onCreate(){
this.treeObj.dragObj.dragArea = "body";
}
I'm trying to do something like below:
Scenario 1: User will drag and drop List 1 from left side to right side.
Scenario 2: Again, User will drag list 2 to right side, when that dragging item hover on list 1, have to show drop zones to drop that list 2 item here.
Finally, List 1 and List 2 both will be placed like left and right side.
With React Dnd, Is this achievable? and I tried this it works only while dragging. https://stackblitz.com/edit/react-pctpdh
I'm able to show a drop area while dragging, it shows every time, but I need to show that drop area only hover on some item.
Below is the sample work, I have to achieve:
Need to show placeholder to drop an item while hover other items to drop. (Need to Create dynamic drop targets while mouse hover some item)
I need a help on this to achieve this feature.Any idea on this really commendable.
I saw the code snippet and i added some new code that replicates your desired behavior.
The idea is to create a separate component to handle drop actions, that can be reused when is needed. In this particular case, I choose to use the component inside your ListItem component to create two drop zones on both sides.
Here is the updated code: https://stackblitz.com/edit/react-pctpdh
I'm using react-beautiful-dnd to copy and element drop into a columns previously created.
But I wonder if there is any possibility when I'm dragging an element and I drop it, it creates me the column dynamically to drop it ? could I make it ?
if react-beautiful-dnd doesn't work, what other plugin of React could do it ?
any suggestion..
I am curious about the same thing, but I suspect that it is not possible.
The approach I can think of is to make the parent of your droppable columns also a Droppable itself. Then onDragEnd you could determine where to insert a new column, automatically adding the Draggable.
While the documentation has a page for Changes while dragging, it includes these rules (and others) that make me think this approach will not work:
You can only add or remove Draggables that are of the same type as the dragging item.
You cannot add or remove a <Droppable /> during a drag.
Also note the warning (currently, at the top of the page) that changes while dragging are currently only supported in version 11.x
Yup, so first control your columns with some state variable say this.state.columns
Then, add an event listener, probably onDragEnd(). In the event handler, update your columns state so that the update occurs as you want
I am using React DnD to handle dragging and dropping in a React app. I am using the touch backend. In this implementation, I am using a custom drag preview. While dragging, I hide the element that is "being dragged" by animating its max-height to 0. The custom drag preview shows as the user drags. If the user drops the element in an area that is not allowed, the item "being dragged" animates back to it's original height. This is good.
When the item is dropped, I send a redux action that reorders the list of items and puts the previously dragged element into its new location.
However, there is a moment where the dragged item flashes in its current location before the DOM updates and animates the item in its new location.
The max height animations are controlled by CSS classes that are added and removed when isDragging is true.
I have scoured the React DnD docs and examples (which are generally very thorough) and looked at some other open-source projects that have used React DnD, but cannot seem to locate the solution. I'm assuming I am missing something simple like a prop that I can pass. Essentially, I would like isDragging to stay true until the drop action is complete or be able to update a prop in either the endDrag method on the draggable target or the drop function on the droppable target.
I could use vanilla javascript to update the classList inside the endDrag method, but would prefer to use React tools if possible.
Has anyone encountered this issue?
I was able to get around this problem by fixing a known issue with Touch events stopping when a DOM node is unmounted in React.
https://github.com/yahoo/react-dnd-touch-backend/issues/31
In this solution, you create a copy of the DOM node that has the touch event attached to it so that it remains even if React unmounts the component as elements are added and removed during dragging.
I am working on drag drop functionality where one can drag node from list A(source) and drop to list B(destination).
I am facing problem of when once dragged and dropped first node and opens model on-click, I have to set some question within ng-repeat.
But when i am dropping same type of question, then values set to previous one is remains to newly dropped question's model.
How i can avoid such a problem?
I am using this ui-tree example for drag and drop.
Following image is snapshot of it?
https://i.stack.imgur.com/jIJsQ.png][2]
Please share your opinion!