feat: added basic UI, started on backend

chore: added coroutines

Signed-off-by: limited_dev <loginakkisativ@gmail.com>

build.gradle.kts

@@ -51,6 +51,7 @@ repositories {
 
 dependencies {
     implementation("com.formdev:flatlaf:2.4")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
 }
 
 val targetJavaVersion = 17
@@ -91,6 +92,7 @@ tasks {
     withType<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar> {
         dependencies {
             include(dependency("com.formdev:flatlaf:2.4"))
+            include(dependency("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4"))
         }
         dependsOn("generateTemplates", "processResources")
     }

src/main/kotlin/de/limited_dev/modpackinstaller/Main.kt

@@ -1,8 +1,32 @@
+/*
+ *     Copyright (C) 2023  limited_dev
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
 package de.limited_dev.modpackinstaller
 
+import com.formdev.flatlaf.FlatDarculaLaf
 import de.limited_dev.modpackinstaller.build.BuildConstants
+import de.limited_dev.modpackinstaller.gui.GUI
 
 fun main() {
-    println("Hello World")
+    println("Launching installer...")
-    println("${BuildConstants.version} ${BuildConstants.fabricDownloadLocation} ${BuildConstants.modpackDownloadLocation}")
+    println("${BuildConstants.version}")
+    println("Download Location Fabric: ${BuildConstants.fabricDownloadLocation}")
+    println("Download Modpacka Fabric: ${BuildConstants.modpackDownloadLocation}")
+    FlatDarculaLaf.setup()
+    GUI()
 }

src/main/kotlin/de/limited_dev/modpackinstaller/backend/Manager.kt

@@ -0,0 +1,41 @@
+/*
+ *     Copyright (C) 2023  limited_dev
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+package de.limited_dev.modpackinstaller.backend
+
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+
+object Manager {
+    fun startDownloadAndInstall(dotMcLocation: String) {
+        val modloaderCoroutine = GlobalScope.launch {
+            println("Downloading Modloader")
+        }
+
+        val modpackCoroutine = GlobalScope.launch {
+            println("Downloading Modpack")
+        }
+
+        runBlocking {
+            modloaderCoroutine.join()
+        }
+
+
+    }
+}

src/main/kotlin/de/limited_dev/modpackinstaller/gui/BottomBar.kt

@@ -0,0 +1,38 @@
+/*
+ *     Copyright (C) 2023  limited_dev
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+package de.limited_dev.modpackinstaller.gui
+
+import java.awt.GridLayout
+import javax.swing.JLabel
+import javax.swing.JPanel
+import javax.swing.JSeparator
+import javax.swing.border.EmptyBorder
+
+class BottomBar : JPanel() {
+    init {
+        this.layout = GridLayout(2, 4)
+        this.border = EmptyBorder(0, 10, 10, 10)
+
+        val label = JLabel("(c) 2023 limited_dev, Licensed under GPL-3.0")
+
+        this.add(JSeparator())
+        this.add(label)
+    }
+
+}

src/main/kotlin/de/limited_dev/modpackinstaller/gui/GUI.kt

@@ -0,0 +1,43 @@
+/*
+ *     Copyright (C) 2023  limited_dev
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+package de.limited_dev.modpackinstaller.gui
+
+import de.limited_dev.modpackinstaller.build.BuildConstants
+import java.awt.BorderLayout
+import javax.swing.JFrame
+import javax.swing.WindowConstants
+
+class GUI : JFrame("Modpack installer " + BuildConstants.version) {
+    init {
+        this.isResizable = false
+        this.defaultCloseOperation = WindowConstants.EXIT_ON_CLOSE
+
+        val contentPane = this.contentPane
+        contentPane.layout = BorderLayout()
+
+        contentPane.add(MainPanel(), BorderLayout.CENTER)
+        contentPane.add(BottomBar(), BorderLayout.SOUTH)
+
+        this.pack()
+        this.setLocationRelativeTo(null)
+        this.isVisible = true
+
+    }
+
+}

src/main/kotlin/de/limited_dev/modpackinstaller/gui/MainPanel.kt

@@ -0,0 +1,103 @@
+/*
+ *     Copyright (C) 2023  limited_dev
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+package de.limited_dev.modpackinstaller.gui
+
+import de.limited_dev.modpackinstaller.backend.Manager
+import de.limited_dev.modpackinstaller.util.OSHelper
+import de.limited_dev.modpackinstaller.util.PopupFactory
+import java.awt.*
+import java.io.File
+import javax.swing.*
+import javax.swing.border.EmptyBorder
+
+
+class MainPanel : JPanel() {
+    private val generatorButton = JButton("Download & Install")
+    private var fabricLabel: JLabel
+    private var modpackLabel: JLabel
+    private var dotMcLocationBar: JTextField
+    private var dotMcLocation: String = OSHelper.os.oSType
+
+    init {
+        val layout = GridLayout(6, 1)
+
+        this.layout = layout
+        border = EmptyBorder(10, 10, 10, 10)
+
+        val info = JLabel("Modpack Installer")
+        info.horizontalAlignment = SwingConstants.CENTER
+        info.font = Font(font.name, font.style, font.size + 6)
+        this.add(info, BorderLayout.NORTH)
+
+        val flayout = FlowLayout()
+        flayout.hgap = 10
+        flayout.alignment = SwingConstants.VERTICAL
+
+        fabricLabel = JLabel("Fabric mod loader")
+        modpackLabel = JLabel("Modpack")
+
+        this.add(fabricLabel)
+        this.add(modpackLabel)
+
+        dotMcLocationBar = JTextField(dotMcLocation)
+        dotMcLocationBar.isEditable = false
+        this.add(dotMcLocationBar)
+
+        val openFileChooser = JButton("Select .minecraft Folder")
+        openFileChooser.addActionListener {
+            dotMcLocation = promptForFolder(openFileChooser)
+            dotMcLocationBar.text = dotMcLocation
+        }
+        this.add(openFileChooser)
+        generatorButton.addActionListener {
+            Manager.startDownloadAndInstall(dotMcLocation)
+            val dotMcMods = File(dotMcLocation + File.separator + "mods")
+            if (dotMcMods.exists()) {
+                val bool = PopupFactory.getYesOrNoError(
+                    "Warning! .minecraft/mods folder found",
+                    "This installer will clear your mods folder in order to install the right Modpack."
+                )
+                if (bool) {
+                    generatorButton.isEnabled = false
+                    Manager.startDownloadAndInstall(dotMcLocation)
+                }
+            } else {
+                generatorButton.isEnabled = false
+                Manager.startDownloadAndInstall(dotMcLocation)
+            }
+        }
+        this.add(generatorButton)
+    }
+
+    private fun promptForFolder(parent: Component?): String {
+        val fc = JFileChooser()
+        fc.fileSelectionMode = JFileChooser.DIRECTORIES_ONLY
+        return if (fc.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) {
+            fc.selectedFile.absolutePath
+        } else "Error"
+    }
+
+    fun updateFabricModloader(tx: String) {
+        fabricLabel.text = "Fabric mod loader $tx"
+    }
+
+    fun updateModpack(tx: String) {
+        modpackLabel.text = "Modpack $tx"
+    }
+}

src/main/kotlin/de/limited_dev/modpackinstaller/util/OSHelper.kt

@@ -0,0 +1,43 @@
+/*
+ *     Copyright (C) 2023  limited_dev
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+package de.limited_dev.modpackinstaller.util
+
+import java.io.File
+import java.util.*
+
+enum class OSHelper(val oSType: String) {
+    WINDOWS(System.getenv("APPDATA") + File.separator + ".minecraft"),
+    MAC("Please select your .minecraft folder"),
+    LINUX(System.getProperty("user.home") + File.separator + ".minecraft");
+
+    companion object {
+        val os: OSHelper
+            get() {
+                val currentOS = System.getProperty("os.name").lowercase(Locale.getDefault())
+                if (currentOS.startsWith("windows")) {
+                    return WINDOWS
+                } else if (currentOS.startsWith("mac")) {
+                    return MAC
+                }
+                return LINUX
+            }
+        val dotMinecraftLocation: String
+            get() = System.getProperty("os.name")
+    }
+}

src/main/kotlin/de/limited_dev/modpackinstaller/util/PopupFactory.kt

@@ -0,0 +1,42 @@
+/*
+ *     Copyright (C) 2023  limited_dev
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+package de.limited_dev.modpackinstaller.util
+
+import javax.swing.JOptionPane
+
+object PopupFactory {
+
+    fun getYesOrNoError(title: String, msg: String): Boolean {
+        println("Popup created")
+        val res = JOptionPane.showConfirmDialog(
+            null,
+            msg,
+            title,
+            JOptionPane.OK_CANCEL_OPTION
+        )
+        if (res == 0) {
+            println("Pressed OK")
+            return true
+        } else {
+            println("Pressed CANCEL")
+            return false
+        }
+    }
+
+}