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fix(Picker): change event untriggered without a transition (#5662)

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This commit is contained in:
陈嘉涵 2020-02-15 19:24:05 +08:00
parent 9ff8e5635c
commit 6d6bdeea53
1 changed files with 7 additions and 4 deletions
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11
src/picker/PickerColumn.js
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@ -191,26 +191,29 @@ export default createComponent({
return option;
},
setIndex(index, userAction) {
setIndex(index, emitChange) {
index = this.adjustIndex(index) || 0;
this.offset = -index * this.itemHeight;
const offset = -index * this.itemHeight;
const trigger = () => {
if (index !== this.currentIndex) {
this.currentIndex = index;
if (userAction) {
if (emitChange) {
this.$emit('change', index);
}
}
};
// trigger the change event after transitionend when moving
if (this.moving) {
if (this.moving && offset !== this.offset) {
this.transitionEndTrigger = trigger;
} else {
trigger();
}
this.offset = offset;
},
setValue(value) {