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Add index to the Collection events

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This commit is contained in:
Frederic Junod
2018-11-17 08:43:35 +01:00
parent a81c2ad995
commit 6219e31e40
2 changed files with 44 additions and 27 deletions
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17
src/ol/Collection.js
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@@ -26,8 +26,9 @@ export class CollectionEvent extends Event {
/**
* @param {CollectionEventType} type Type.
* @param {*=} opt_element Element.
* @param {number} opt_index The index of the added or removed element.
*/
constructor(type, opt_element) {
constructor(type, opt_element, opt_index) {
super(type);
/**
@@ -37,6 +38,12 @@ export class CollectionEvent extends Event {
*/
this.element = opt_element;
/**
* The index of the added or removed element.
* @type {number}
* @api
*/
this.index = opt_index;
}
}
@@ -178,7 +185,7 @@ class Collection extends BaseObject {
this.array_.splice(index, 0, elem);
this.updateLength_();
this.dispatchEvent(
new CollectionEvent(CollectionEventType.ADD, elem));
new CollectionEvent(CollectionEventType.ADD, elem, index));
}
/**
@@ -233,7 +240,7 @@ class Collection extends BaseObject {
const prev = this.array_[index];
this.array_.splice(index, 1);
this.updateLength_();
this.dispatchEvent(new CollectionEvent(CollectionEventType.REMOVE, prev));
this.dispatchEvent(new CollectionEvent(CollectionEventType.REMOVE, prev, index));
return prev;
}
@@ -252,9 +259,9 @@ class Collection extends BaseObject {
const prev = this.array_[index];
this.array_[index] = elem;
this.dispatchEvent(
new CollectionEvent(CollectionEventType.REMOVE, prev));
new CollectionEvent(CollectionEventType.REMOVE, prev, index));
this.dispatchEvent(
new CollectionEvent(CollectionEventType.ADD, elem));
new CollectionEvent(CollectionEventType.ADD, elem, index));
} else {
for (let j = n; j < index; ++j) {
this.insertAt(j, undefined);