feat: transfer supports copy and paste

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

@@ -467,6 +467,15 @@ internal class TransportPanel(
             }
         })
 
+        table.actionMap.put("copy", object : AbstractAction() {
+            override fun actionPerformed(e: ActionEvent) {
+                val rows = table.selectedRows.map { sorter.convertRowIndexToModel(it) }.toTypedArray()
+                val files = rows.map { model.getPath(it) to model.getAttributes(it) }
+                if (files.any { it.second.isParent }) return
+                toolkit.systemClipboard.setContents(TransferTransferable(panel, files), null)
+            }
+        })
+
         table.actionMap.put("Reload", object : AbstractAction() {
             override fun actionPerformed(e: ActionEvent) {
                 reload()
@@ -514,7 +523,6 @@ internal class TransportPanel(
         data class TransferData(
             // true 就是本地拖拽上传
             val locally: Boolean,
-            val row: Int,
             val insertRow: Boolean,
             val workdir: Path,
             val files: List<Pair<Path, Attributes>>
@@ -540,18 +548,22 @@ internal class TransportPanel(
 
             private fun getTransferData(support: TransferSupport, load: Boolean): TransferData? {
                 val workdir = workdir ?: return null
-                val dropLocation = support.dropLocation as? JTable.DropLocation ?: return null
-                val row = if (dropLocation.isInsertRow) 0 else sorter.convertRowIndexToModel(dropLocation.row)
-                if (dropLocation.isInsertRow.not() && dropLocation.column != TransportTableModel.COLUMN_NAME) return null
-                if (dropLocation.isInsertRow.not() && model.getAttributes(row).isDirectory.not()) return null
-                if (hasParent && dropLocation.row == 0) return null
                 val paths = mutableListOf<Pair<Path, Attributes>>()
                 var locally = false
 
                 if (support.isDataFlavorSupported(TransferTransferable.FLAVOR)) {
                     val transferTransferable = support.transferable.getTransferData(TransferTransferable.FLAVOR)
                             as? TransferTransferable ?: return null
+                    if (support.isDrop) {
                         if (transferTransferable.component == panel) return null
+                    } else {
+                        // 如果在一个目录，那么是不允许粘贴的
+                        for (pair in transferTransferable.files) {
+                            if (pair.first.parent?.pathString == workdir.pathString) {
+                                return null
+                            }
+                        }
+                    }
                     paths.addAll(transferTransferable.files)
                 } else if (support.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
                     if (loader.isLoaded() && loader.getSyncTransportSupport().getFileSystem().isLocallyFileSystem())
@@ -569,15 +581,29 @@ internal class TransportPanel(
                     return null
                 }
 
+                if (support.isDrop) {
+                    val dropLocation = support.dropLocation as? JTable.DropLocation ?: return null
+                    val row = if (dropLocation.isInsertRow) 0 else sorter.convertRowIndexToModel(dropLocation.row)
+                    if (dropLocation.isInsertRow.not() && dropLocation.column != TransportTableModel.COLUMN_NAME) return null
+                    if (dropLocation.isInsertRow.not() && model.getAttributes(row).isDirectory.not()) return null
+                    if (hasParent && dropLocation.row == 0) return null
                     return TransferData(
                         locally = locally,
-                    row = row,
                         insertRow = dropLocation.isInsertRow,
                         workdir = if (dropLocation.isInsertRow) workdir else model.getPath(row),
                         files = paths
                     )
                 }
 
+                return TransferData(
+                    locally = locally,
+                    insertRow = false,
+                    workdir = workdir,
+                    files = paths
+                )
+
+            }
+
             override fun getSourceActions(c: JComponent?): Int {
                 return COPY
             }
@@ -899,7 +925,7 @@ internal class TransportPanel(
         }
     }
 
-    private class TransferTransferable(val component: TransportPanel, val files: List<Pair<Path, Attributes>>) :
+    class TransferTransferable(val component: TransportPanel, val files: List<Pair<Path, Attributes>>) :
         Transferable {
         companion object {
             val FLAVOR = DataFlavor("termora/transfers", "Termora transfers")
@@ -1041,7 +1067,6 @@ internal class TransportPanel(
     }
 
     private inner class PopupMenuActionListener(private val files: List<Pair<Path, Attributes>>) : ActionListener {
-        @Suppress("CascadeIf")
         override fun actionPerformed(e: ActionEvent) {
             val actionCommand = TransportPopupMenu.ActionCommand.valueOf(e.actionCommand)
             if (actionCommand == TransportPopupMenu.ActionCommand.Transfer) {
@@ -1089,6 +1114,12 @@ internal class TransportPanel(
                         Files.setPosixFilePermissions(path, c.permissions)
                     }
                 }
+            } else if (actionCommand == TransportPopupMenu.ActionCommand.Copy) {
+                val transferable = TransferTransferable(panel, files)
+                toolkit.systemClipboard.setContents(transferable, null)
+            } else if (actionCommand == TransportPopupMenu.ActionCommand.Paste) {
+                val transferable = toolkit.systemClipboard.getContents(null) ?: return
+                table.transferHandler.importData(TransferHandler.TransferSupport(table, transferable))
             }
         }
 

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

@@ -22,6 +22,8 @@ import javax.swing.JMenu
 import javax.swing.JMenuItem
 import javax.swing.JOptionPane
 import javax.swing.event.EventListenerList
+import javax.swing.event.PopupMenuEvent
+import javax.swing.event.PopupMenuListener
 import kotlin.io.path.absolutePathString
 import kotlin.io.path.name
 
@@ -39,6 +41,8 @@ internal class TransportPopupMenu(
     private val transferMenu = JMenuItem(I18n.getString("termora.transport.table.contextmenu.transfer"))
     private val editMenu = JMenuItem(I18n.getString("termora.transport.table.contextmenu.edit"))
     private val copyPathMenu = JMenuItem(I18n.getString("termora.transport.table.contextmenu.copy-path"))
+    private val copyMenu = JMenuItem(I18n.getString("termora.copy"))
+    private val pasteMenu = JMenuItem(I18n.getString("termora.paste"))
     private val openInFinderMenu = JMenuItem(I18n.getString("termora.transport.table.contextmenu.open-in-folder"))
     private val renameMenu = JMenuItem(I18n.getString("termora.transport.table.contextmenu.rename"))
     private val deleteMenu = JMenuItem(I18n.getString("termora.transport.table.contextmenu.delete"))
@@ -82,6 +86,9 @@ internal class TransportPopupMenu(
         add(transferMenu)
         add(editMenu)
         addSeparator()
+        add(copyMenu)
+        add(pasteMenu)
+        addSeparator()
         add(copyPathMenu)
         if (fileSystem?.isLocallyFileSystem() == true) {
             add(openInFinderMenu)
@@ -133,6 +140,7 @@ internal class TransportPopupMenu(
         renameMenu.isEnabled = hasParent.not() && files.size == 1
         deleteMenu.isEnabled = hasParent.not() && files.isNotEmpty()
         changePermissionsMenu.isVisible = hasParent.not() && fileSystem is SftpFileSystem && files.size == 1
+        copyMenu.isEnabled = hasParent.not() && files.isNotEmpty()
 
         for ((item, mnemonic) in mnemonics) {
             item.text = "${item.text}(${KeyEvent.getKeyText(mnemonic)})"
@@ -166,6 +174,22 @@ internal class TransportPopupMenu(
             sb.deleteCharAt(sb.length - 1)
             toolkit.systemClipboard.setContents(StringSelection(sb.toString()), null)
         }
+        copyMenu.addActionListener { fireActionPerformed(it, ActionCommand.Copy) }
+        pasteMenu.addActionListener { fireActionPerformed(it, ActionCommand.Paste) }
+
+        addPopupMenuListener(object : PopupMenuListener {
+            override fun popupMenuWillBecomeVisible(e: PopupMenuEvent?) {
+                pasteMenu.isEnabled = toolkit.systemClipboard
+                    .isDataFlavorAvailable(TransportPanel.TransferTransferable.FLAVOR)
+            }
+
+            override fun popupMenuWillBecomeInvisible(e: PopupMenuEvent?) {
+            }
+
+            override fun popupMenuCanceled(e: PopupMenuEvent?) {
+            }
+
+        })
     }
 
     fun fireActionPerformed(evt: ActionEvent, command: ActionCommand) {
@@ -241,6 +265,8 @@ internal class TransportPopupMenu(
         ChangePermissions,
         Rmrf,
         Reconnect,
+        Paste,
+        Copy,
     }
 
     data class ChangePermission(val permissions: Set<PosixFilePermission>, val includeSubFolder: Boolean)

src/main/resources/i18n/messages.properties

@@ -3,6 +3,7 @@ termora.confirm=OK
 termora.exit=退出
 termora.cancel=Cancel
 termora.copy=Copy
+termora.paste=Paste
 termora.apply=Apply
 termora.save=Save
 termora.remove=Delete

src/main/resources/i18n/messages_ru_RU.properties

@@ -3,6 +3,7 @@ termora.confirm=Ок
 termora.exit=покидать
 termora.cancel=Отмена
 termora.copy=Копировать
+termora.paste=Вставить
 termora.apply=Применить
 termora.save=Сохранить
 termora.remove=Удалить

src/main/resources/i18n/messages_zh_CN.properties

@@ -2,6 +2,7 @@ termora.confirm=确认
 termora.exit=退出
 termora.cancel=取消
 termora.copy=复制
+termora.paste=粘贴
 termora.apply=应用
 termora.save=保存
 termora.remove=删除

src/main/resources/i18n/messages_zh_TW.properties

@@ -1,6 +1,8 @@
 termora.confirm=確定
 termora.exit=Exit
 termora.cancel=取消
+termora.copy=複製
+termora.paste=貼上
 termora.apply=应用
 termora.save=儲存
 termora.remove=刪除