feat: Octal Mode Support in the File Permissions Panel

src/main/kotlin/app/termora/transfer/PosixFilePermissionPanel.kt

@@ -1,13 +1,17 @@
 package app.termora.transfer
 
+import app.termora.DocumentAdaptor
 import app.termora.I18n
 import app.termora.OptionsPane.Companion.FORM_MARGIN
+import app.termora.OutlineTextField
 import com.jgoodies.forms.builder.FormBuilder
 import com.jgoodies.forms.layout.FormLayout
 import java.awt.BorderLayout
 import java.awt.Dimension
 import java.nio.file.attribute.PosixFilePermission
+import java.util.*
 import javax.swing.*
+import javax.swing.event.DocumentEvent
 import kotlin.math.max
 
 class PosixFilePermissionPanel(private val permissions: Set<PosixFilePermission>) : JPanel(BorderLayout()) {
@@ -23,22 +27,16 @@ class PosixFilePermissionPanel(private val permissions: Set<PosixFilePermission>
     private val otherWrite = JCheckBox(I18n.getString("termora.transport.permissions.write"))
     private val otherExecute = JCheckBox(I18n.getString("termora.transport.permissions.execute"))
     private val includeSubFolder = JCheckBox(I18n.getString("termora.transport.permissions.include-subfolder"))
+    private val octalTextField = OutlineTextField()
 
 
     init {
         initView()
+        initEvents()
     }
 
     private fun initView() {
-        ownerRead.isSelected = permissions.contains(PosixFilePermission.OWNER_READ)
-        ownerWrite.isSelected = permissions.contains(PosixFilePermission.OWNER_WRITE)
-        ownerExecute.isSelected = permissions.contains(PosixFilePermission.OWNER_EXECUTE)
-        groupRead.isSelected = permissions.contains(PosixFilePermission.GROUP_READ)
-        groupWrite.isSelected = permissions.contains(PosixFilePermission.GROUP_WRITE)
-        groupExecute.isSelected = permissions.contains(PosixFilePermission.GROUP_EXECUTE)
-        otherRead.isSelected = permissions.contains(PosixFilePermission.OTHERS_READ)
-        otherWrite.isSelected = permissions.contains(PosixFilePermission.OTHERS_WRITE)
-        otherExecute.isSelected = permissions.contains(PosixFilePermission.OTHERS_EXECUTE)
+        initCheckBox(permissions)
 
         ownerRead.isFocusable = false
         ownerWrite.isFocusable = false
@@ -51,6 +49,8 @@ class PosixFilePermissionPanel(private val permissions: Set<PosixFilePermission>
         otherExecute.isFocusable = false
         includeSubFolder.isFocusable = false
 
+        updateOctalMode()
+
         add(createCenterPanel(), BorderLayout.CENTER)
 
         preferredSize = Dimension(
@@ -60,11 +60,51 @@ class PosixFilePermissionPanel(private val permissions: Set<PosixFilePermission>
 
     }
 
+    private fun initCheckBox(permissions: Set<PosixFilePermission>) {
+        ownerRead.isSelected = permissions.contains(PosixFilePermission.OWNER_READ)
+        ownerWrite.isSelected = permissions.contains(PosixFilePermission.OWNER_WRITE)
+        ownerExecute.isSelected = permissions.contains(PosixFilePermission.OWNER_EXECUTE)
+        groupRead.isSelected = permissions.contains(PosixFilePermission.GROUP_READ)
+        groupWrite.isSelected = permissions.contains(PosixFilePermission.GROUP_WRITE)
+        groupExecute.isSelected = permissions.contains(PosixFilePermission.GROUP_EXECUTE)
+        otherRead.isSelected = permissions.contains(PosixFilePermission.OTHERS_READ)
+        otherWrite.isSelected = permissions.contains(PosixFilePermission.OTHERS_WRITE)
+        otherExecute.isSelected = permissions.contains(PosixFilePermission.OTHERS_EXECUTE)
+
+    }
+
+    private fun initEvents() {
+        ownerRead.addActionListener { updateOctalMode() }
+        ownerWrite.addActionListener { updateOctalMode() }
+        ownerExecute.addActionListener { updateOctalMode() }
+        groupRead.addActionListener { updateOctalMode() }
+        groupWrite.addActionListener { updateOctalMode() }
+        groupExecute.addActionListener { updateOctalMode() }
+        otherRead.addActionListener { updateOctalMode() }
+        otherWrite.addActionListener { updateOctalMode() }
+        otherExecute.addActionListener { updateOctalMode() }
+
+        octalTextField.document.addDocumentListener(object : DocumentAdaptor() {
+            override fun changedUpdate(e: DocumentEvent) {
+                octalTextField.document.removeDocumentListener(this)
+                val text = octalTextField.text.trim()
+                val mode = text.toIntOrNull(radix = 8) ?: toOctalMode(getPermissions())
+                initCheckBox(fromOctalMode(mode))
+                octalTextField.document.addDocumentListener(this)
+            }
+        })
+
+    }
+
+    private fun updateOctalMode() {
+        octalTextField.text = toOctalMode(getPermissions()).toString(8)
+    }
+
     private fun createCenterPanel(): JComponent {
         val formMargin = FORM_MARGIN
         val layout = FormLayout(
             "default:grow, $formMargin, default:grow, $formMargin, default:grow",
-            "pref, $formMargin, pref, $formMargin, pref"
+            "pref, $formMargin, pref, $formMargin, pref, $formMargin, pref"
         )
 
         val builder = FormBuilder.create().layout(layout).debug(false)
@@ -92,7 +132,12 @@ class PosixFilePermissionPanel(private val permissions: Set<PosixFilePermission>
         otherBox.border = BorderFactory.createTitledBorder(I18n.getString("termora.transport.permissions.others"))
         builder.add(otherBox).xy(5, 3)
 
-        builder.add(includeSubFolder).xyw(1, 5, 5)
+        val box = Box.createHorizontalBox()
+        box.add(JLabel(I18n.getString("termora.transport.permissions.octal-mode") + ": "))
+        box.add(octalTextField)
+        builder.add(box).xyw(1, 5, 5)
+
+        builder.add(includeSubFolder).xyw(1, 7, 5)
 
         return builder.build()
     }
@@ -102,6 +147,36 @@ class PosixFilePermissionPanel(private val permissions: Set<PosixFilePermission>
         return includeSubFolder.isSelected
     }
 
+    fun toOctalMode(p: Set<PosixFilePermission>): Int {
+        var mode = 0
+        if (p.contains(PosixFilePermission.OWNER_READ)) mode = mode or 256
+        if (p.contains(PosixFilePermission.OWNER_WRITE)) mode = mode or 128
+        if (p.contains(PosixFilePermission.OWNER_EXECUTE)) mode = mode or 64
+        if (p.contains(PosixFilePermission.GROUP_READ)) mode = mode or 32
+        if (p.contains(PosixFilePermission.GROUP_WRITE)) mode = mode or 16
+        if (p.contains(PosixFilePermission.GROUP_EXECUTE)) mode = mode or 8
+        if (p.contains(PosixFilePermission.OTHERS_READ)) mode = mode or 4
+        if (p.contains(PosixFilePermission.OTHERS_WRITE)) mode = mode or 2
+        if (p.contains(PosixFilePermission.OTHERS_EXECUTE)) mode = mode or 1
+        return mode
+    }
+
+    fun fromOctalMode(mode: Int): Set<PosixFilePermission> {
+        val m = mode and 511 // 0777 == 511
+        val set = EnumSet.noneOf(PosixFilePermission::class.java)
+        if ((m and 256) != 0) set.add(PosixFilePermission.OWNER_READ)
+        if ((m and 128) != 0) set.add(PosixFilePermission.OWNER_WRITE)
+        if ((m and 64) != 0) set.add(PosixFilePermission.OWNER_EXECUTE)
+        if ((m and 32) != 0) set.add(PosixFilePermission.GROUP_READ)
+        if ((m and 16) != 0) set.add(PosixFilePermission.GROUP_WRITE)
+        if ((m and 8) != 0) set.add(PosixFilePermission.GROUP_EXECUTE)
+        if ((m and 4) != 0) set.add(PosixFilePermission.OTHERS_READ)
+        if ((m and 2) != 0) set.add(PosixFilePermission.OTHERS_WRITE)
+        if ((m and 1) != 0) set.add(PosixFilePermission.OTHERS_EXECUTE)
+        return set
+    }
+
+
     fun getPermissions(): Set<PosixFilePermission> {
 
         val permissions = mutableSetOf<PosixFilePermission>()

src/main/resources/i18n/messages.properties

@@ -352,6 +352,7 @@ termora.transport.table.contextmenu.new.file=New File
 # Permission
 termora.transport.permissions=Change Permissions
 termora.transport.permissions.file-folder-permissions=File/Folder Permissions
+termora.transport.permissions.octal-mode=Octal mode
 termora.transport.permissions.read=Read
 termora.transport.permissions.write=Write
 termora.transport.permissions.execute=Execute

src/main/resources/i18n/messages_pt_BR.properties

@@ -352,6 +352,7 @@ termora.transport.table.contextmenu.new.file=Novo Arquivo
 # Permission
 termora.transport.permissions=Alterar Permissões
 termora.transport.permissions.file-folder-permissions=Permissões de Arquivo/Pasta
+termora.transport.permissions.octal-mode=Modo octal
 termora.transport.permissions.read=Leitura
 termora.transport.permissions.write=Escrita
 termora.transport.permissions.execute=Execução

src/main/resources/i18n/messages_ru_RU.properties

@@ -304,6 +304,7 @@ termora.transport.table.contextmenu.new.file=Новый Файл
 # Permission
 termora.transport.permissions=Изменить Разрешения
 termora.transport.permissions.file-folder-permissions=Файл/Папка Разрешения
+termora.transport.permissions.octal-mode=Восьмеричный режим
 termora.transport.permissions.read=Чтение
 termora.transport.permissions.write=Запись
 termora.transport.permissions.execute=Выполнение

src/main/resources/i18n/messages_zh_CN.properties

@@ -375,6 +375,7 @@ termora.transport.sftp.already-exists.actions=操作
 # Permission
 termora.transport.permissions=更改权限
 termora.transport.permissions.file-folder-permissions=文件/文件夹权限
+termora.transport.permissions.octal-mode=八进制模式
 termora.transport.permissions.read=读取
 termora.transport.permissions.write=写入
 termora.transport.permissions.execute=执行

src/main/resources/i18n/messages_zh_TW.properties

@@ -364,6 +364,7 @@ termora.transport.sftp.already-exists.actions=操作
 # permissions
 termora.transport.permissions=更改權限
 termora.transport.permissions.file-folder-permissions=檔案/資料夾權限
+termora.transport.permissions.octal-mode=八進位模式
 termora.transport.permissions.read=讀取
 termora.transport.permissions.write=寫入
 termora.transport.permissions.execute=執行