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Fixed(IOS): Setting placeholder color on text filed crashes if no hint is set

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This commit is contained in:
vakrilov
2016-12-05 15:16:21 +02:00
parent fee1dd9a59
commit 8101a68c25
2 changed files with 34 additions and 19 deletions
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10
tests/app/ui/text-field/text-field-tests.ts
View File

@ -576,3 +576,13 @@ export function test_set_placeholder_color() {
TKUnit.assertEqual(actualColorHex, expectedColorHex);
});
}
export function test_set_placeholder_color_when_hint_is_not_set() {
let view = new textFieldModule.TextField();
let expectedColorHex = "#ffff0000";
helper.buildUIAndRunTest(view, function (views: Array<viewModule.View>) {
view.setInlineStyle("placeholder-color: " + expectedColorHex + ";");
let actualColorHex = textFieldTestsNative.getNativePlaceholderColor(view).hex;
TKUnit.assertEqual(actualColorHex, expectedColorHex);
});
}

37
tns-core-modules/ui/text-field/text-field.ios.ts
View File

@ -7,7 +7,7 @@ import * as style from "ui/styling/style";
import {View} from "ui/core/view";
function onSecurePropertyChanged(data: PropertyChangeData) {
var textField = <TextField>data.object;
const textField = <TextField>data.object;
textField.ios.secureTextEntry = data.newValue;
}
@ -156,24 +156,24 @@ export class TextField extends common.TextField {
}
public _onHintPropertyChanged(data: PropertyChangeData) {
var textField = <TextField>data.object;
const textField = <TextField>data.object;
textField.ios.placeholder = data.newValue + "";
}
}
};
export class TextFieldStyler implements style.Styler {
private static setColorProperty(view: View, newValue: any) {
var tf: UITextField = <UITextField>view._nativeView;
const tf: UITextField = <UITextField>view._nativeView;
TextFieldStyler._setTextFieldColor(tf, newValue);
}
private static resetColorProperty(view: View, nativeValue: any) {
var tf: UITextField = <UITextField>view._nativeView;
const tf: UITextField = <UITextField>view._nativeView;
TextFieldStyler._setTextFieldColor(tf, nativeValue);
}
private static _setTextFieldColor(tf: UITextField, newValue: any) {
var color: UIColor = <UIColor>newValue;
const color: UIColor = <UIColor>newValue;
if ((<any>tf).isShowingHint && color) {
tf.textColor = (<UIColor>color).colorWithAlphaComponent(0.22);
}
@ -184,27 +184,32 @@ export class TextFieldStyler implements style.Styler {
}
private static getNativeColorValue(view: View): any {
var tf: UITextField = <UITextField>view._nativeView;
const tf: UITextField = <UITextField>view._nativeView;
return tf.tintColor;
}
// placeholder-color
private static setPlaceholderColorProperty(textBase: View, newValue: any) {
let ios = <UITextField>textBase._nativeView;
let colorAttibutes = NSMutableDictionary.alloc().init();
colorAttibutes.setValueForKey(newValue, NSForegroundColorAttributeName);
ios.attributedPlaceholder = NSAttributedString.alloc().initWithStringAttributes(ios.placeholder, colorAttibutes.copy());
const ios = <UITextField>textBase._nativeView;
const text = ios.placeholder + "";
const colorAttributes = NSMutableDictionary.alloc().init();
colorAttributes.setValueForKey(newValue, NSForegroundColorAttributeName);
ios.attributedPlaceholder = NSAttributedString.alloc().initWithStringAttributes(text, colorAttributes.copy());
}
private static resetPlaceholderColorProperty(textBase: View, nativeValue: any) {
var ios = <UITextField>textBase._nativeView;
let colorAttibutes = NSMutableDictionary.alloc().init();
colorAttibutes.setValueForKey(nativeValue, NSForegroundColorAttributeName);
ios.attributedPlaceholder = NSAttributedString.alloc().initWithStringAttributes(ios.placeholder, colorAttibutes.copy());
const ios = <UITextField>textBase._nativeView;
const text = ios.placeholder + "";
const colorAttributes = NSMutableDictionary.alloc().init();
colorAttributes.setValueForKey(nativeValue, NSForegroundColorAttributeName);
ios.attributedPlaceholder = NSAttributedString.alloc().initWithStringAttributes(text, colorAttributes.copy());
}
private static getNativePlaceholderColorValue(textBase: View): any {
var ios = <UITextField>textBase._nativeView;
const ios = <UITextField>textBase._nativeView;
if (!ios.attributedPlaceholder) {
return null;
}
return ios.attributedPlaceholder.attributeAtIndexEffectiveRange(NSForegroundColorAttributeName, 0, null);
}