/*
* Copyright (c) 2025 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import router from '@ohos.router';
import { TitleBar } from '../component/TitleBar';
import Logger from '../utils/Logger';
import { TextModifier } from '@ohos.arkui.modifier';
import { LengthMetrics } from '@kit.ArkUI';
const URI: string = '组件Text123!@#()+_'
class MyModifier extends TextModifier {
applyNormalAttribute(instance: TextModifier): void {
super.applyNormalAttribute?.(instance);
instance
.textAlign(TextAlign.Center)
.textOverflow({ 'overflow': TextOverflow.None })
.maxLines(5)
.lineHeight(25)
.decoration({
type: TextDecorationType.Underline,
color: Color.Red,
style: TextDecorationStyle.WAVY,
})
.baselineOffset(2)
.letterSpacing(3)
.minFontSize(0)
.maxFontSize(50)
.textCase(TextCase.Normal)
.fontColor(Color.Black)
.fontSize(15)
.fontStyle(FontStyle.Italic)
.fontWeight(FontWeight.Bold)
.fontFamily('HarmonyOS Sans')
.copyOption(CopyOptions.InApp)
.draggable(true)
.font({
'size': 15,
'weight': FontWeight.Bold,
'family': 'HarmonyOS Sans',
'style': FontStyle.Italic,
})
.textShadow({
radius: 10,
color: Color.Pink,
offsetX: 5,
offsetY: 5
})
.heightAdaptivePolicy(TextHeightAdaptivePolicy.MAX_LINES_FIRST)
.textIndent(10)
.wordBreak(WordBreak.NORMAL)
.selection(0, 0)
.fontFeature("\"ss01\" on")
.lineSpacing(LengthMetrics.vp(4))
.lineBreakStrategy(LineBreakStrategy.GREEDY)
.textSelectable(TextSelectableMode.SELECTABLE_UNFOCUSABLE)
.editMenuOptions({
onCreateMenu: (menuItems: Array<TextMenuItem>) => {
return null
},
onMenuItemClick: (menuItem: TextMenuItem, textRange: TextRange) => {
return null
}
})
.minFontScale(0.5)
.maxFontScale(2)
.halfLeading(true)
.selectedBackgroundColor('#ff70a4db')
}
}
@Entry
@Component
struct TestTextModifier {
@State title: string = ''
@State modifier: MyModifier = new MyModifier()
@State value: string = URI
@State decFlag: boolean = true
@State index: number = 1
aboutToAppear(): void {
let params = router.getParams() as Record<string, string>
Logger.info('router.getParams() title is ' + params.title)
this.title = params.title
}
build() {
Column() {
TitleBar({ title: this.title }).size({ height: '10%' })
Column() {
Scroll() {
Column() {
Text(this.value)
.attributeModifier(this.modifier as MyModifier)
}
}.scrollBar(BarState.Off)
}
.size({ width: '98%', height: '40%' })
.border({
width: 3,
color: Color.Pink,
radius: 30,
style: BorderStyle.Solid
})
.margin({ top: 10, bottom: 10 })
.justifyContent(FlexAlign.Center)
.alignItems(HorizontalAlign.Center)
Column() {
Scroll() {
Column({ space: 2 }) {
Counter() {
Text(this.index.toString())
}
.width("60%")
.height(30)
.enableDec(this.decFlag)
.onInc(() => {
this.decFlag = true
this.index++
this.value += URI
})
.onDec(() => {
this.index--
if (this.value.startsWith(URI)) {
this.value = this.value.substring(URI.length)
}
if (this.index == 0) {
this.decFlag = false
}
})
Row() {
}.size({ width: '100%', height: 20 })
}
}.scrollBar(BarState.Off)
}.size({ width: '100%', height: '40%' })
}
.size({ width: '100%', height: '100%' })
.justifyContent(FlexAlign.Start)
.alignItems(HorizontalAlign.Center)
}
}