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fix(tabs): ionChange is emitted after the tab is selected

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fixes #10538
This commit is contained in:
Manu Mtz.-Almeida
2017-02-23 19:35:44 +01:00
parent 0fa98b4728
commit ac1a886158
1 changed files with 15 additions and 4 deletions
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19
src/components/tabs/tabs.ts
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@ -4,7 +4,7 @@ import { App } from '../app/app';
import { Config } from '../../config/config';
import { DeepLinker } from '../../navigation/deep-linker';
import { Ion } from '../ion';
import { isBlank } from '../../util/util';
import { isBlank, assert } from '../../util/util';
import { NavController } from '../../navigation/nav-controller';
import { NavControllerBase } from '../../navigation/nav-controller-base';
import { getComponent, NavOptions, DIRECTION_SWITCH } from '../../navigation/nav-util';
@ -408,14 +408,24 @@ export class Tabs extends Ion implements AfterViewInit {
if (opts.updateUrl !== false) {
this._linker.navChange(DIRECTION_SWITCH);
}
this._fireChangeEvent(selectedTab);
});
} else {
this._fireChangeEvent(selectedTab);
}
}
_fireChangeEvent(selectedTab: Tab) {
assert(this.getSelected() === selectedTab, 'selected tab does not match');
selectedTab.ionSelect.emit(selectedTab);
this.ionChange.emit(selectedTab);
}
_tabSwitchEnd(selectedTab: Tab, selectedPage: ViewController, currentPage: ViewController) {
assert(selectedTab, 'selectedTab must be valid');
assert(this._tabs.indexOf(selectedTab) >= 0, 'selectedTab must be one of the tabs');
// Update tabs selection state
const tabs = this._tabs;
let tab: Tab;
@ -473,9 +483,10 @@ export class Tabs extends Ion implements AfterViewInit {
* @return {Tab} Returns the currently selected tab
*/
getSelected(): Tab {
for (var i = 0; i < this._tabs.length; i++) {
if (this._tabs[i].isSelected) {
return this._tabs[i];
const tabs = this._tabs;
for (var i = 0; i < tabs.length; i++) {
if (tabs[i].isSelected) {
return tabs[i];
}
}
return null;