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refactor(bottom-navigation): event emitters (#7490)

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This commit is contained in:
Manol Donev
2019-07-10 14:58:02 +03:00
committed by GitHub
parent 3c1e2a35d9
commit c42bf0a6d0
1 changed files with 36 additions and 15 deletions
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51
tns-core-modules/ui/bottom-navigation/bottom-navigation.ios.ts
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@@ -100,12 +100,13 @@ class UITabBarControllerDelegateImpl extends NSObject implements UITabBarControl
let backToMoreWillBeVisible = false;
owner._handleTwoNavigationBars(backToMoreWillBeVisible);
if (tabBarController.viewControllers && tabBarController.viewControllers.containsObject(viewController)) {
if (tabBarController.viewControllers) {
const position = tabBarController.viewControllers.indexOfObject(viewController);
const tabStripItems = owner.tabStrip && owner.tabStrip.items;
if (tabStripItems) {
tabStripItems[position]._emit(TabStripItem.tapEvent);
if (position !== NSNotFound) {
const tabStripItems = owner.tabStrip && owner.tabStrip.items;
if (tabStripItems && tabStripItems[position]) {
tabStripItems[position]._emit(TabStripItem.tapEvent);
}
}
}
}
@@ -127,14 +128,20 @@ class UITabBarControllerDelegateImpl extends NSObject implements UITabBarControl
const owner = this._owner.get();
if (owner) {
if (tabBarController.viewControllers && tabBarController.viewControllers.containsObject(viewController)) {
if (tabBarController.viewControllers) {
const position = tabBarController.viewControllers.indexOfObject(viewController);
const prevPosition = owner.selectedIndex;
const tabStripItems = owner.tabStrip && owner.tabStrip.items;
if (tabStripItems) {
tabStripItems[position]._emit(TabStripItem.selectEvent);
tabStripItems[prevPosition]._emit(TabStripItem.unselectEvent);
if (position !== NSNotFound) {
const prevPosition = owner.selectedIndex;
const tabStripItems = owner.tabStrip && owner.tabStrip.items;
if (tabStripItems) {
if (tabStripItems[position]) {
tabStripItems[position]._emit(TabStripItem.selectEvent);
}
if (tabStripItems[prevPosition]) {
tabStripItems[prevPosition]._emit(TabStripItem.unselectEvent);
}
}
}
}
@@ -315,16 +322,22 @@ export class BottomNavigation extends TabNavigationBase {
public setTabBarColor(value: UIColor | Color): void {
this._ios.tabBar.tintColor = value instanceof Color ? value.ios : value;
const states = getTitleAttributesForStates(this.tabStrip);
if (!this.tabStrip) {
return;
}
const states = getTitleAttributesForStates(this.tabStrip);
this.tabStrip.items.forEach((tabStripItem) => {
applyStatesToItem(tabStripItem.nativeView, states);
});
}
public setTabBarItemBackgroundColor(tabStripItem: TabStripItem, value: UIColor | Color): void {
let bgView = (<any>tabStripItem).bgView;
if (!this.tabStrip) {
return;
}
let bgView = (<any>tabStripItem).bgView;
if (!bgView) {
const index = (<any>tabStripItem).index;
const width = this.tabStrip.nativeView.frame.size.width / this.tabStrip.items.length;
@@ -333,6 +346,7 @@ export class BottomNavigation extends TabNavigationBase {
this.tabStrip.nativeView.insertSubviewAtIndex(bgView, 0);
(<any>tabStripItem).bgView = bgView;
}
bgView.backgroundColor = value instanceof Color ? value.ios : value;
}
@@ -586,8 +600,11 @@ interface TabStates {
}
function getTitleAttributesForStates(view: View): TabStates {
const result: TabStates = {};
if (!view) {
return null;
}
const result: TabStates = {};
const defaultTabItemFontSize = 10;
const tabItemFontSize = view.style.fontSize || defaultTabItemFontSize;
const font: UIFont = view.style.fontInternal.getUIFont(UIFont.systemFontOfSize(tabItemFontSize));
@@ -609,6 +626,10 @@ function getTitleAttributesForStates(view: View): TabStates {
}
function applyStatesToItem(item: UITabBarItem, states: TabStates) {
if (!states) {
return;
}
item.setTitleTextAttributesForState(states.normalState, UIControlState.Normal);
item.setTitleTextAttributesForState(states.selectedState, UIControlState.Selected);
}