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Drag and Drop improvements - drop strategies, animation, API (#5630)
* feat(IgxDrag/IgxDrop): Implement drop strategies and transition functionality. #5319 * feat(IgxDrag/IgxDrop): Update API to latest spec. #5319 * feat(IgxDrag/IgxDrop): Fix ghost dragging issue over base. Add reorder list demo with animations. #5319 * feat(IgxDrag/IgxDrop): Update IDragCustomAnimationArgs interface name. #5319 * test(igxChip): Fix failing tests in chips-area.spec #5319 * test(igxDragDrop): Fix failing tests in drag and drop directive #5319 * test(igxChip): Fix tests in group by - use click instead pointerdown/up #5319 * fix(rowDrag): Make sure there is ghost when adding event listener #5319 * fix(rowDrag): End dragging if the ghost is removed #5319 * feat(drag-drop): update migrations #5319 * test(igxDragDrop): Add tests for drop strategies #5319 * chore(igxDragDrop): Remove fdescribe from tests * feat(IgxDrag/IgxDrop): Update API and interfaces related to inputs. Add changelog. * test(igxDragDrop): Automate drag drop directive #5319 * fix(IgxDrag): Fix dragging using a handle by hovering over a text area or child of the handle. #5319 * chore(igxDragDrop): Renaming IgxDropEventArgs to IDropBaseEventArgs in spec * test(igxDragDrop): Automate setRelativeOffset method of drag drop #5319 * chore(igxDragDrop): Remove setRelativeOffset() as setLocation() can be used * feat(IgxDrag/IgxDrop): Tweak margin applied when setting location. Add automation for transitionToOrigin() and transitionTo(). * test(igxDragDrop): Add some more scenarios #5318 * feat(IgxDrag/IgxDrop): Disable selection of dragged element and handle by default. Add drag styles. #5319 * chore(*): Remove skipped tests. * test(IgxDrag): Add more test for transition methods. Fix small issues in IgxDrag. * tests(IgxDrag): Add automation tests regarding location getters and updateDragRelativePos. * tests(IgxDrag): Fix tests regarding transition to origin and alter related to transitions.
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‎CHANGELOG.md‎

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# Ignite UI for Angular Change Log
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# Ignite UI for Angular Change Log
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All notable changes for each version of this project will be documented in this file.
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@@ -10,6 +10,17 @@ All notable changes for each version of this project will be documented in this
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- `igxExcelStyleLoading` directive is added, which can be used to provide a custom loading template for the Excel Style Filtering. If this property is not provided, a default loading template will be used instead.
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- `IgxHierarchicalGrid`
1212
- Row Islands now emit child grid events with an additional argument - `owner`, which holds reference to the related child grid component instance.
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- `IgxDrag`
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- Dragging without ghost. Now it is possible to drag the base element `igxDrag` is instanced on by setting the new input `ghost` to false.
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- Ghost template. A custom ghost template reference can be provided on the new `ghostTemplate` input.
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- Dragging using a single or multiple handles. New `igxDragHandle` directive is exposed to specify a handle by which and element can be interacted with instead of the whole element `igxDrag` is instanced on.
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- Linking of drag and drop elements. This can be achieved by using the new provided `dragChannel` input, specifying each element to which channel it corresponds.
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- Drag animation improvements. Three new methods have been exposed in place of the old `animateToOrigin` input in order to provide more flexibility when wanting to have transition animation to specific position when dropping. `setLocation`, `transitionToOrigin` and `transitionTo` are all methods that provide a various way to animate a transition to a specific location for the dragged element.
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- New getters - `location` and `originLocation` to aid in applying transition animations.
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- New outputs - `dragMove`, `ghostCreate` and `ghostDestroy`
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- `IgxDrop`
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- Linking of drag and drop elements. This can be achieved by using the new provided `dropChannel` input, specifying each drop area to which channel it corresponds.
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- Drop strategies. Three new drop strategies have been provided - Append, Prepend and Insert. Also an input `dropStrategy` to the `igxDrop` which specify which strategy should be used when dropping an element inside the drop area. Custom one can be specified as well.
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### General
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- `IgxGrid`, `IgxTreeGrid`, `IgxHierarchicalGrid`
@@ -41,6 +52,26 @@ All notable changes for each version of this project will be documented in this
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## 8.1.4
4253
- `IgxDialog` new @Input `positionSettings` is now available. It provides the ability to get/set both position and animation settings of the Dialog component.
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55+
- `IgxDrag`
56+
- Deprecated inputs - `hideBaseOnDrag`, `animateOnRelease`, `visible`.
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- Deprecated methods - `dropFinished`.
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- **Breaking Change** `ghostImageClass` input is renamed to `ghostClass`.
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- **Breaking Change** `dragGhostHost` input is renamed to `ghostHost`.
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- **Breaking Change** `returnMoveEnd` input is renamed to `transitioned`.
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- **Breaking Change** `onDragStart` output is renamed to `dragStart`.
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- **Breaking Change** `onDragEnd` output is renamed to `dragEnd`.
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- `IgxDrop`
65+
- **Breaking Change** Default drop strategy is now changed to not perform any actions.
66+
- **Breaking Change** `onEnter` output is renamed to `enter`.
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- **Breaking Change** `onOver` output is renamed to `over`.
68+
- **Breaking Change** `onLeave` output is renamed to `leave`.
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- **Breaking Change** `onDrop` output is renamed to `dropped`.
70+
- **Breaking Change** Interfaces `IgxDropEnterEventArgs`, `IgxDropLeaveEventArgs` are both now called `IDragBaseEventArgs`.
71+
- **Breaking Change** Interfaces `IgxDropEventArgs` is renamed to `IDropDroppedEventArgs`.
72+
- **Breaking Change** Outputs `enter`, `over`, `leave`(former `onEnter`, `onOver`, `onLeave`) now have arguments of type `IDropBaseEventArgs`
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- **Breaking Change** Output `dropped` (former `onDrop`) now have arguments of type `IDropDroppedEventArgs`
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## 8.1.3
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- `IgxCombo`
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- Combo `onSelectionChange` events now emits the item(s) that were added to or removed from the collection:

‎projects/igniteui-angular/migrations/update-8_2_0/changes/inputs.json‎

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{
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"$schema": "../../common/schema/binding.schema.json",
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"changes": [
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{
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"name": "renderGhost",
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"replaceWith": "ghost",
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"owner": {
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"selector": "igxDrag",
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"type": "directive"
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}
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},
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{
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"name": "ghostImageClass",
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"replaceWith": "ghostClass",
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"owner": {
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"selector": "igxDrag",
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"type": "directive"
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}
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},
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{
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"name": "dragGhostHost",
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"replaceWith": "ghostHost",
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"owner": {
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"selector": "igxDrag",
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"type": "directive"
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}
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}
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]
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}

‎projects/igniteui-angular/migrations/update-8_2_0/changes/outputs.json‎

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{
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"$schema": "../../common/schema/binding.schema.json",
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"changes": [
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{
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"name": "onGhostCreate",
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"replaceWith": "ghostCreate",
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"owner": {
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"selector": "igxDrag",
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"type": "directive"
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}
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},
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{
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"name": "onGhostDestroy",
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"replaceWith": "ghostDestroy",
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"owner": {
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"selector": "igxDrag",
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"type": "directive"
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}
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},
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{
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"name": "returnMoveEnd",
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"replaceWith": "transitioned",
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"owner": {
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"selector": "igxDrag",
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"type": "directive"
26+
}
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},
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{
29+
"name": "dragClicked",
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"replaceWith": "click",
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"owner": {
32+
"selector": "igxDrag",
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"type": "directive"
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}
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},
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{
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"name": "onEnter",
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"replaceWith": "enter",
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"owner": {
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"selector": "igxDrop",
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"type": "directive"
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}
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},
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{
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"name": "onLeave",
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"replaceWith": "leave",
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"owner": {
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"selector": "igxDrop",
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"type": "directive"
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}
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},
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{
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"name": "onDrop",
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"replaceWith": "dropped",
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"owner": {
56+
"selector": "igxDrop",
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"type": "directive"
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}
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}
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]
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}

‎projects/igniteui-angular/migrations/update-8_2_0/index.spec.ts‎

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@@ -50,4 +50,32 @@ describe('Update 8.2.0', () => {
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done();
5252
});
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it('should update igxDrag input bindings', done => {
55+
appTree.create(
56+
'/testSrc/appPrefix/component/custom.component.html',
57+
`<div igxDrag [renderGhost]="true" [ghostImageClass]="'casper'" [dragGhostHost]="host">Drag me</div>`);
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const tree = schematicRunner.runSchematic('migration-10', {}, appTree);
59+
60+
expect(tree.readContent('/testSrc/appPrefix/component/custom.component.html'))
61+
.toEqual(
62+
`<div igxDrag [ghost]="true" [ghostClass]="'casper'" [ghostHost]="host">Drag me</div>`);
63+
done();
64+
});
65+
66+
it('should update igxDrag and igxDrop outputs bindings', done => {
67+
appTree.create(
68+
'/testSrc/appPrefix/component/custom.component.html',
69+
`<div igxDrag (onGhostCreate)="ghostCreateHandler($event)" (onGhostDestroy)="ghostDestroyHandler($event)" (returnMoveEnd)="moveEndHandler($event)" (dragClicked)="clickHandler($event)">Drag me</div>
70+
<div igxDrop (onEnter)="enterHandler($event)" (onLeave)="leaveHandler($event)" (onDrop)="dropHandler($event)">drop area</div>
71+
`);
72+
const tree = schematicRunner.runSchematic('migration-10', {}, appTree);
73+
74+
expect(tree.readContent('/testSrc/appPrefix/component/custom.component.html'))
75+
.toEqual(
76+
`<div igxDrag (ghostCreate)="ghostCreateHandler($event)" (ghostDestroy)="ghostDestroyHandler($event)" (transitioned)="moveEndHandler($event)" (click)="clickHandler($event)">Drag me</div>
77+
<div igxDrop (enter)="enterHandler($event)" (leave)="leaveHandler($event)" (dropped)="dropHandler($event)">drop area</div>
78+
`);
79+
done();
80+
});
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});

‎projects/igniteui-angular/src/lib/chips/README.md‎

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| `displayDensity`| `DisplayDensity | string` | Sets the chip theme. Available options are `compact`, `cosy`, `comfortable`. |
155155
| `color` | `string` | Sets the chip background color. |
156156
| `hideBaseOnDrag` | `boolean` | Sets if the chip base should be hidden when the chip is dragged. |
157-
| `animateOnRelease` | `boolean` | Sets if the chip should animate to its position when released. |
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### Outputs
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| Name | Argument Type | Description |

‎projects/igniteui-angular/src/lib/chips/chip.component.html‎

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33
(keydown)="onChipKeyDown($event)"
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[igxDrag]="{chip: this}"
55
[hideBaseOnDrag]="hideBaseOnDrag"
6-
[animateOnRelease]="animateOnRelease"
7-
[ghostImageClass]="ghostClass"
6+
[ghostClass]="ghostClass"
87
(dragStart)="onChipDragStart($event)"
98
(dragEnd)="onChipDragEnd()"
10-
(returnMoveEnd)="onChipMoveEnd($event)"
11-
(dragClicked)="onChipDragClicked($event)"
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(transitioned)="onChipMoveEnd($event)"
10+
(click)="onChipDragClicked($event)"
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igxDrop
13-
(onEnter)="onChipDragEnterHandler($event)"
14-
(onDrop)="onChipDrop($event)">
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(enter)="onChipDragEnterHandler($event)"
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(dropped)="onChipDrop($event)">
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1615
<div [ngClass]="selectClass(selected)">
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<ng-container *ngTemplateOutlet="selectIconTemplate"></ng-container>

‎projects/igniteui-angular/src/lib/chips/chip.component.ts‎

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IgxDragDirective,
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IDragBaseEventArgs,
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IDragStartEventArgs,
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IgxDropEnterEventArgs,
21-
IgxDropEventArgs
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IDropBaseEventArgs,
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IDropDroppedEventArgs
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} from '../directives/drag-drop/drag-drop.directive';
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import { IBaseEventArgs } from '../core/utils';
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2626
export interface IBaseChipEventArgs extends IBaseEventArgs {
27-
originalEvent: PointerEvent | MouseEvent | TouchEvent | KeyboardEvent | IgxDropEnterEventArgs;
27+
originalEvent: PointerEvent | MouseEvent | TouchEvent | KeyboardEvent | IDropBaseEventArgs;
2828
owner: IgxChipComponent;
2929
}
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8383
@Input()
8484
public draggable = false;
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86-
/**
86+
/**
8787
* An @Input property that enables/disables the draggable element animation when the element is released.
8888
* By default it's set to true.
8989
* ```html
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517517
* @hidden
518518
*/
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// -----------------------------
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// Start chip igxDrag behaviour
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// Start chip igxDrag behavior
521521
public onChipDragStart(event: IDragStartEventArgs) {
522522
this.onMoveStart.emit({
523523
originalEvent: event.originalEvent,
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530530
* @hidden
531531
*/
532532
public onChipDragEnd() {
533-
this.dragDirective.dropFinished();
533+
if (this.animateOnRelease) {
534+
this.dragDirective.transitionToOrigin();
535+
}
534536
}
535537

536538
/**
@@ -563,21 +565,21 @@ export class IgxChipComponent extends DisplayDensityBase {
563565
this.changeSelection(!this.selected, event.originalEvent);
564566
}
565567
}
566-
// End chip igxDrag behaviour
568+
// End chip igxDrag behavior
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568570
/**
569571
* @hidden
570572
*/
571573
// -----------------------------
572-
// Start chip igxDrop behaviour
573-
public onChipDragEnterHandler(event: IgxDropEnterEventArgs) {
574-
if (this.dragDirective === event.drag || !event.dragData || !event.dragData.chip) {
574+
// Start chip igxDrop behavior
575+
public onChipDragEnterHandler(event: IDropBaseEventArgs) {
576+
if (this.dragDirective === event.drag || !event.drag.data || !event.drag.data.chip) {
575577
return;
576578
}
577579

578580
const eventArgs: IChipEnterDragAreaEventArgs = {
579581
owner: this,
580-
dragChip: event.dragData.chip,
582+
dragChip: event.drag.data.chip,
581583
originalEvent: event
582584
};
583585
this.onDragEnter.emit(eventArgs);
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586588
/**
587589
* @hidden
588590
*/
589-
public onChipDrop(event: IgxDropEventArgs) {
591+
public onChipDrop(event: IDropDroppedEventArgs) {
590592
// Cancel the default drop logic
591593
event.cancel = true;
592594
}
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// End chip igxDrop behaviour
595+
// End chip igxDrop behavior
594596
}

‎projects/igniteui-angular/src/lib/chips/chip.spec.ts‎

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describe('IgxChip', () => {
8585
configureTestSuite();
86-
const CHIP_ITEM = 'igx-chip__item';
86+
const CHIP_ITEM = 'igx-chip__item igx-drag igx-drag--select-disabled';
8787
const CHIP_REMOVE_BUTTON = 'igx-chip__remove';
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8989
beforeEach(async(() => {
@@ -361,7 +361,7 @@ describe('IgxChip', () => {
361361
expect(chipComponentsIds).not.toContain('City');
362362
});
363363

364-
it('should affect the dragGhost density when chip has it set to compact', (done) => {
364+
it('should affect the ghostElement density when chip has it set to compact', (done) => {
365365
const fix = TestBed.createComponent(TestChipComponent);
366366
fix.detectChanges();
367367

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387387
}).then(() => {
388388
fix.detectChanges();
389389

390-
expect(thirdChip.dragDirective['dragGhost'].className).toEqual('igx-chip__item igx-chip__ghost--compact');
390+
expect(thirdChip.dragDirective.ghostElement.className).toEqual(CHIP_ITEM + ' igx-chip__ghost--compact');
391391

392392
return fix.whenStable();
393393
}).then(() => {
394394
fix.detectChanges();
395-
UIInteractions.simulatePointerEvent('pointerup', thirdChip.dragDirective['dragGhost'], startingX + 10, startingY + 10);
395+
UIInteractions.simulatePointerEvent('pointerup', thirdChip.dragDirective.ghostElement, startingX + 10, startingY + 10);
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397397
done();
398398
});

‎projects/igniteui-angular/src/lib/chips/chips-area.component.ts‎

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IChipEnterDragAreaEventArgs,
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IBaseChipEventArgs
2323
} from './chip.component';
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import {
25-
IgxDropEnterEventArgs
26-
} from '../directives/drag-drop/drag-drop.directive';
24+
import { IDropBaseEventArgs } from '../directives/drag-drop/drag-drop.directive';
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import { takeUntil } from 'rxjs/operators';
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import { Subject } from 'rxjs/internal/Subject';
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3028
export interface IBaseChipsAreaEventArgs {
31-
originalEvent: PointerEvent | MouseEvent | TouchEvent | KeyboardEvent | IgxDropEnterEventArgs;
29+
originalEvent: PointerEvent | MouseEvent | TouchEvent | KeyboardEvent | IDropBaseEventArgs;
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owner: IgxChipsAreaComponent;
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}
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