| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| package androidx.compose.foundation.text.demos |
| |
| import androidx.compose.runtime.Composable |
| import androidx.compose.runtime.state |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.selection.Selection |
| import androidx.ui.core.selection.SelectionContainer |
| import androidx.compose.foundation.ScrollableColumn |
| import androidx.compose.foundation.Text |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.ui.text.intl.LocaleList |
| import androidx.compose.foundation.layout.Column |
| import androidx.compose.foundation.layout.Row |
| import androidx.compose.foundation.layout.fillMaxHeight |
| import androidx.compose.foundation.layout.fillMaxWidth |
| import androidx.compose.ui.text.SpanStyle |
| import androidx.compose.ui.text.TextStyle |
| import androidx.compose.ui.text.annotatedString |
| import androidx.compose.ui.text.font.FontStyle |
| import androidx.compose.ui.text.font.FontWeight |
| import androidx.compose.ui.text.withStyle |
| |
| @Composable |
| fun TextSelectionDemo() { |
| ScrollableColumn { |
| TagLine(tag = "selection") |
| TextDemoSelection() |
| TagLine(tag = "selection with string input") |
| TextDemoSelectionWithStringInput() |
| TagLine(tag = "selection in 2D Array Vertical") |
| TextDemoSelection2DArrayVertical() |
| } |
| } |
| |
| @Composable |
| fun TextDemoSelection() { |
| val selection = state<Selection?> { null } |
| val arabicSentence = |
| "\nكلمة شين في قاموس المعاني الفوري مجال البحث مصطلحات المعجم الوسيط ،اللغة" |
| SelectionContainer( |
| selection = selection.value, |
| onSelectionChange = { selection.value = it }) { |
| Text( |
| style = TextStyle( |
| color = Color(0xFFFF0000), |
| fontSize = fontSize6, |
| fontWeight = FontWeight.W200, |
| fontStyle = FontStyle.Italic |
| ), |
| text = annotatedString { |
| append(text = "$displayText ") |
| append(text = "$displayTextArabic ") |
| append(text = "$displayTextChinese ") |
| |
| withStyle( |
| SpanStyle( |
| color = Color(0xFF0000FF), |
| fontSize = fontSize10, |
| fontWeight = FontWeight.W800, |
| fontStyle = FontStyle.Normal |
| ) |
| ) { |
| append(displayTextHindi) |
| } |
| |
| append(text = "$arabicSentence") |
| |
| withStyle(SpanStyle(localeList = LocaleList("zh-CN"))) { |
| append("\n先帝创业未半而中道崩殂,今天下三分,益州疲弊,此诚危急存亡之秋也。") |
| } |
| |
| withStyle(SpanStyle(localeList = LocaleList("ja-JP"))) { |
| append("\nまず、現在天下が魏・呉・蜀に分れており、そのうち蜀は疲弊していることを指摘する。") |
| } |
| } |
| ) |
| } |
| } |
| |
| @Composable |
| fun TextDemoSelectionWithStringInput() { |
| val selection = state<Selection?> { null } |
| SelectionContainer( |
| selection = selection.value, |
| onSelectionChange = { selection.value = it }) { |
| Text( |
| text = "$displayText $displayTextChinese $displayTextHindi", |
| color = Color(0xFFFF0000), |
| fontSize = fontSize6, |
| fontWeight = FontWeight.W200, |
| fontStyle = FontStyle.Italic |
| ) |
| } |
| } |
| |
| @Composable |
| fun TextDemoSelection2DArrayVertical() { |
| var text = "" |
| for (i in 1..3) { |
| text = "$text$displayText" + "\n" |
| } |
| |
| val colorList = listOf( |
| Color(0xFFFF0000), |
| Color(0xFF00FF00), |
| Color(0xFF0000FF), |
| Color(0xFF00FFFF), |
| Color(0xFFFF00FF), |
| Color(0xFFFFFF00), |
| Color(0xFF0000FF), |
| Color(0xFF00FF00), |
| Color(0xFFFF0000) |
| ) |
| |
| val selection = state<Selection?> { null } |
| SelectionContainer( |
| selection = selection.value, |
| onSelectionChange = { selection.value = it }) { |
| Column(Modifier.fillMaxHeight()) { |
| for (i in 0..2) { |
| Row(Modifier.fillMaxWidth()) { |
| for (j in 0..2) { |
| Text( |
| text = text, |
| style = TextStyle( |
| color = colorList[i * 3 + j], |
| fontSize = fontSize6 |
| ) |
| |
| ) |
| } |
| } |
| } |
| } |
| } |
| } |