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fix: do not stop ignored dragleave events in grid (#8500) (CP: 23.5) #8640

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Merged
merged 1 commit into from
Feb 5, 2025
Merged

fix: do not stop ignored dragleave events in grid (#8500) (CP: 23.5) #8640

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3 changes: 3 additions & 0 deletions packages/grid/src/vaadin-grid-drag-and-drop-mixin.js
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Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,9 @@ export const DragAndDropMixin = (superClass) =>

/** @private */
_onDragLeave(e) {
if (!this.dropMode) {
return;
}
e.stopPropagation();
this._clearDragStyles();
}
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22 changes: 20 additions & 2 deletions packages/grid/test/drag-and-drop.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -350,6 +350,8 @@ describe('drag and drop', () => {
beforeEach(() => {
dragEndSpy = sinon.spy();
listenOnce(grid, 'grid-dragend', dragEndSpy);
grid.selectedItems = grid.items;
fireDragStart();
});

it('should stop the native event', () => {
Expand All @@ -359,8 +361,16 @@ describe('drag and drop', () => {
expect(spy.called).to.be.false;
});

it('should not stop the native event on grid itself', () => {
fireDragEnd();

const spy = sinon.spy();
listenOnce(grid, 'dragend', spy);
fireDragEnd(grid);
expect(spy.called).to.be.true;
});

it('should remove dragging state attribute', () => {
fireDragStart();
fireDragEnd();
expect(grid.hasAttribute('dragging-rows')).to.be.false;
});
Expand Down Expand Up @@ -511,13 +521,21 @@ describe('drag and drop', () => {

describe('dragleave', () => {
it('should stop the native event', () => {
grid.dropMode = 'on-grid';
const spy = sinon.spy();
listenOnce(grid, 'dragleave', spy);
fireDragLeave();
expect(spy.called).to.be.false;
});

it('should clear the grid drag styles', () => {
it('should not stop the native event if grid has no drop mode', () => {
const spy = sinon.spy();
listenOnce(grid, 'dragleave', spy);
fireDragLeave();
expect(spy.called).to.be.true;
});

it('should clear the grid dragover attribute', () => {
grid.dropMode = 'on-grid';
fireDragOver();
expect(grid.hasAttribute('dragover')).to.be.true;
Expand Down