Copy codeviewer from examples to experimental/examples as is (#2508)

JetBrains · Nov 28, 2022 · 0d6271c · 0d6271c
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diff --git a/experimental/examples/codeviewer/.gitignore b/experimental/examples/codeviewer/.gitignore
@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+build/
+/captures
+.externalNativeBuild
+.cxx
diff --git a/experimental/examples/codeviewer/.run/desktop.run.xml b/experimental/examples/codeviewer/.run/desktop.run.xml
@@ -0,0 +1,21 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="desktop" type="GradleRunConfiguration" factoryName="Gradle">
+    <ExternalSystemSettings>
+      <option name="executionName" />
+      <option name="externalProjectPath" value="$PROJECT_DIR$/desktop" />
+      <option name="externalSystemIdString" value="GRADLE" />
+      <option name="scriptParameters" value="" />
+      <option name="taskDescriptions">
+        <list />
+      </option>
+      <option name="taskNames">
+        <list>
+          <option value="run" />
+        </list>
+      </option>
+      <option name="vmOptions" value="" />
+    </ExternalSystemSettings>
+    <GradleScriptDebugEnabled>true</GradleScriptDebugEnabled>
+    <method v="2" />
+  </configuration>
+</component>
diff --git a/experimental/examples/codeviewer/README.md b/experimental/examples/codeviewer/README.md
@@ -0,0 +1,20 @@
+MPP Code Viewer example for desktop/android written in Multiplatform Compose library.
+
+### Running desktop application
+
+* To run, launch command: `./gradlew :desktop:run`
+* Or choose **desktop** configuration in IDE and run it.  
+  ![desktop-run-configuration.png](screenshots/desktop-run-configuration.png)
+
+### Building native desktop distribution
+```
+./gradlew :desktop:packageDistributionForCurrentOS
+# outputs are written to desktop/build/compose/binaries
+```
+
+### Installing Android application on device/emulator
+```
+./gradlew installDebug
+```
+
+![Desktop](screenshots/codeviewer.png)
diff --git a/experimental/examples/codeviewer/android/build.gradle.kts b/experimental/examples/codeviewer/android/build.gradle.kts
@@ -0,0 +1,26 @@
+plugins {
+    id("com.android.application")
+    kotlin("android")
+    id("org.jetbrains.compose")
+}
+
+android {
+    compileSdk = 32
+
+    defaultConfig {
+        minSdk = 26
+        targetSdk = 32
+        versionCode = 1
+        versionName = "1.0"
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+}
+
+dependencies {
+    implementation(project(":common"))
+    implementation("androidx.activity:activity-compose:1.5.0")
+}
diff --git a/experimental/examples/codeviewer/android/src/main/AndroidManifest.xml b/experimental/examples/codeviewer/android/src/main/AndroidManifest.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.jetbrains.codeviewer">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.AppCompat.Light.NoActionBar">
+        <activity
+            android:exported="true"
+            android:name="MainActivity"
+        >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
diff --git a/experimental/examples/codeviewer/android/src/main/assets/data/EditorView.kt b/experimental/examples/codeviewer/android/src/main/assets/data/EditorView.kt
@@ -0,0 +1,183 @@
+/**
+ * This file is an example (we can open it in android application)
+ */
+
+package org.jetbrains.codeviewer.ui.editor
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.text.selection.DisableSelection
+import androidx.compose.material.AmbientContentColor
+import androidx.compose.material.CircularProgressIndicator
+import androidx.compose.material.Surface
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.key
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.text.*
+import androidx.compose.ui.unit.dp
+import org.jetbrains.codeviewer.platform.SelectionContainer
+import org.jetbrains.codeviewer.ui.common.AppTheme
+import org.jetbrains.codeviewer.ui.common.Fonts
+import org.jetbrains.codeviewer.ui.common.Settings
+import org.jetbrains.codeviewer.util.loadableScoped
+import org.jetbrains.codeviewer.util.withoutWidthConstraints
+import kotlin.text.Regex.Companion.fromLiteral
+
+@Composable
+fun EditorView(model: Editor, settings: Settings) = key(model) {
+    with (LocalDensity.current) {
+        SelectionContainer {
+            Surface(
+                Modifier.fillMaxSize(),
+                color = AppTheme.colors.backgroundDark,
+            ) {
+                val lines by loadableScoped(model.lines)
+
+                if (lines != null) {
+                    Box {
+                        Lines(lines!!, settings)
+                        Box(
+                            Modifier
+                                .offset(
+                                    x = settings.fontSize.toDp() * 0.5f * settings.maxLineSymbols
+                                )
+                                .width(1.dp)
+                                .fillMaxHeight()
+                                .background(AppTheme.colors.backgroundLight)
+                        )
+                    }
+                } else {
+                    CircularProgressIndicator(
+                        modifier = Modifier
+                            .size(36.dp)
+                            .padding(4.dp)
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun Lines(lines: Editor.Lines, settings: Settings) = with(DensityAmbient.current) {
+    val maxNumber = remember(lines.lineNumberDigitCount) {
+        (1..lines.lineNumberDigitCount).joinToString(separator = "") { "9" }
+    }
+
+    Box(Modifier.fillMaxSize()) {
+        val scrollState = rememberLazyListState()
+        val lineHeight = settings.fontSize.toDp() * 1.6f
+
+        LazyColumnFor(
+            lines.size,
+            modifier = Modifier.fillMaxSize(),
+            state = scrollState,
+            itemContent = { index ->
+                val line: Editor.Line? by loadable { lines.get(index) }
+                Box(Modifier.height(lineHeight)) {
+                    if (line != null) {
+                        Line(Modifier.align(Alignment.CenterStart), maxNumber, line!!, settings)
+                    }
+                }
+            }
+        )
+
+        VerticalScrollbar(
+            Modifier.align(Alignment.CenterEnd),
+            scrollState,
+            lines.size,
+            lineHeight
+        )
+    }
+}
+
+// Поддержка русского языка
+// دعم اللغة العربية
+// 中文支持
+@Composable
+private fun Line(modifier: Modifier, maxNumber: String, line: Editor.Line, settings: Settings) {
+    Row(modifier = modifier) {
+        DisableSelection {
+            Box {
+                LineNumber(maxNumber, Modifier.alpha(0f), settings)
+                LineNumber(line.number.toString(), Modifier.align(Alignment.CenterEnd), settings)
+            }
+        }
+        LineContent(
+            line.content,
+            modifier = Modifier
+                .weight(1f)
+                .withoutWidthConstraints()
+                .padding(start = 28.dp, end = 12.dp),
+            settings = settings
+        )
+    }
+}
+
+@Composable
+private fun LineNumber(number: String, modifier: Modifier, settings: Settings) = Text(
+    text = number,
+    fontSize = settings.fontSize,
+    fontFamily = Fonts.jetbrainsMono(),
+    color = AmbientContentColor.current.copy(alpha = 0.30f),
+    modifier = modifier.padding(start = 12.dp)
+)
+
+@Composable
+private fun LineContent(content: Editor.Content, modifier: Modifier, settings: Settings) = Text(
+    text = if (content.isCode) {
+        codeString(content.value.value)
+    } else {
+        AnnotatedString(content.value.value)
+    },
+    fontSize = settings.fontSize,
+    fontFamily = Fonts.jetbrainsMono(),
+    modifier = modifier,
+    softWrap = false
+)
+
+private fun codeString(str: String) = buildAnnotatedString {
+    withStyle(AppTheme.code.simple) {
+        append(str.replace("\t", "    "))
+        addStyle(AppTheme.code.punctuation, ":")
+        addStyle(AppTheme.code.punctuation, "=")
+        addStyle(AppTheme.code.punctuation, "\"")
+        addStyle(AppTheme.code.punctuation, "[")
+        addStyle(AppTheme.code.punctuation, "]")
+        addStyle(AppTheme.code.punctuation, "{")
+        addStyle(AppTheme.code.punctuation, "}")
+        addStyle(AppTheme.code.punctuation, "(")
+        addStyle(AppTheme.code.punctuation, ")")
+        addStyle(AppTheme.code.punctuation, ",")
+        addStyle(AppTheme.code.keyword, "fun ")
+        addStyle(AppTheme.code.keyword, "val ")
+        addStyle(AppTheme.code.keyword, "var ")
+        addStyle(AppTheme.code.keyword, "private ")
+        addStyle(AppTheme.code.keyword, "internal ")
+        addStyle(AppTheme.code.keyword, "for ")
+        addStyle(AppTheme.code.keyword, "expect ")
+        addStyle(AppTheme.code.keyword, "actual ")
+        addStyle(AppTheme.code.keyword, "import ")
+        addStyle(AppTheme.code.keyword, "package ")
+        addStyle(AppTheme.code.value, "true")
+        addStyle(AppTheme.code.value, "false")
+        addStyle(AppTheme.code.value, Regex("[0-9]*"))
+        addStyle(AppTheme.code.annotation, Regex("^@[a-zA-Z_]*"))
+        addStyle(AppTheme.code.comment, Regex("^\\s*//.*"))
+    }
+}
+
+private fun AnnotatedString.Builder.addStyle(style: SpanStyle, regexp: String) {
+    addStyle(style, fromLiteral(regexp))
+}
+
+private fun AnnotatedString.Builder.addStyle(style: SpanStyle, regexp: Regex) {
+    for (result in regexp.findAll(toString())) {
+        addStyle(style, result.range.first, result.range.last + 1)
+    }
+}
diff --git a/...mental/examples/codeviewer/android/src/main/java/org/jetbrains/codeviewer/MainActivity.kt b/...mental/examples/codeviewer/android/src/main/java/org/jetbrains/codeviewer/MainActivity.kt
@@ -0,0 +1,32 @@
+package org.jetbrains.codeviewer
+
+import android.os.Bundle
+import androidx.activity.compose.setContent
+import androidx.appcompat.app.AppCompatActivity
+import org.jetbrains.codeviewer.platform._HomeFolder
+import org.jetbrains.codeviewer.ui.MainView
+import java.io.File
+import java.io.FileOutputStream
+
+class MainActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        copyAssets()
+        _HomeFolder = filesDir
+
+        setContent {
+            MainView()
+        }
+    }
+
+    private fun copyAssets() {
+        for (filename in assets.list("data")!!) {
+            assets.open("data/$filename").use { assetStream ->
+                val file = File(filesDir, filename)
+                FileOutputStream(file).use { fileStream ->
+                    assetStream.copyTo(fileStream)
+                }
+            }
+        }
+    }
+}
diff --git a/experimental/examples/codeviewer/android/src/main/res/drawable/ic_launcher_foreground.xml b/experimental/examples/codeviewer/android/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,15 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108"
+    android:tint="#FFFFFF">
+  <group android:scaleX="2.61"
+      android:scaleY="2.61"
+      android:translateX="22.68"
+      android:translateY="22.68">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M9.4,16.6L4.8,12l4.6,-4.6L8,6l-6,6 6,6 1.4,-1.4zM14.6,16.6l4.6,-4.6 -4.6,-4.6L16,6l6,6 -6,6 -1.4,-1.4z"/>
+  </group>
+</vector>
diff --git a/experimental/examples/codeviewer/android/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/experimental/examples/codeviewer/android/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/...rimental/examples/codeviewer/android/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/...rimental/examples/codeviewer/android/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/experimental/examples/codeviewer/android/src/main/res/values/ic_launcher_background.xml b/experimental/examples/codeviewer/android/src/main/res/values/ic_launcher_background.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#3C3F41</color>
+</resources>
diff --git a/experimental/examples/codeviewer/android/src/main/res/values/strings.xml b/experimental/examples/codeviewer/android/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Code Viewer</string>
+</resources>
diff --git a/experimental/examples/codeviewer/build.gradle.kts b/experimental/examples/codeviewer/build.gradle.kts
@@ -0,0 +1,18 @@
+plugins {
+    // this is necessary to avoid the plugins to be loaded multiple times
+    // in each subproject's classloader
+    kotlin("jvm") apply false
+    kotlin("multiplatform") apply false
+    kotlin("android") apply false
+    id("com.android.application") apply false
+    id("com.android.library") apply false
+    id("org.jetbrains.compose") apply false
+}
+
+subprojects {
+    repositories {
+        google()
+        mavenCentral()
+        maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
+    }
+}