feat: Add guest mode support and permission controls

src/main/kotlin/app/termora/NewHostDialogV2.kt

@@ -1,8 +1,10 @@
 package app.termora
 
 import app.termora.account.AccountOwner
+import app.termora.account.TeamRole
 import app.termora.actions.AnAction
 import app.termora.actions.AnActionEvent
+import app.termora.database.OwnerType
 import app.termora.protocol.*
 import app.termora.transfer.ScaleIcon
 import com.formdev.flatlaf.extras.components.FlatToolBar
@@ -13,9 +15,11 @@ import kotlinx.coroutines.swing.Swing
 import kotlinx.coroutines.withContext
 import org.apache.commons.lang3.StringUtils
 import org.apache.commons.lang3.exception.ExceptionUtils
+import org.jdesktop.swingx.SwingXUtilities
 import java.awt.BorderLayout
 import java.awt.CardLayout
 import java.awt.Dimension
+import java.awt.Graphics
 import java.awt.Window
 import javax.swing.*
 
@@ -144,10 +148,33 @@ class NewHostDialogV2(
         val provider = extension.getProtocolProvider()
         testConnectionBtn.isVisible = provider is ProtocolTester
 
+        preventImportantData()
+    }
+
+    private fun preventImportantData() {
+        if (visitorMode()) {
+            for (component in SwingUtils.getDescendantsOfType(JComponent::class.java, cardPanel)) {
+                if (component is OutlinePasswordField) {
+                    component.styleMap = component.styleMap.toMutableMap().apply {
+                        put("showRevealButton", false)
+                    }
+                }
+            }
+        }
+    }
+
+    private fun visitorMode(): Boolean {
+        return accountOwner.isVisitorMode()
     }
 
     override fun createActions(): List<AbstractAction> {
-        return listOf(createOkAction(), testConnectionAction, CancelAction())
+        val actions = mutableListOf<AbstractAction>()
+        if (visitorMode().not()) {
+            actions.add(createOkAction())
+            actions.add(testConnectionAction)
+        }
+        actions.add(CancelAction())
+        return actions
     }
 
     override fun createJButtonForAction(action: Action): JButton {
@@ -238,5 +265,4 @@ class NewHostDialogV2(
         super.doOKAction()
     }
 
-
 }

src/main/kotlin/app/termora/account/AccountHttp.kt

@@ -40,8 +40,8 @@ object AccountHttp {
             throw ResponseException(response.code, response)
         }
 
-        val text = response.use { response.body.use { it?.string() } }
+        val text = response.use { response.body.use { it.string() } }
-        if (text.isNullOrBlank()) {
+        if (text.isBlank()) {
             throw ResponseException(response.code, "response body is empty", response)
         }
 

src/main/kotlin/app/termora/account/AccountManager.kt

@@ -54,24 +54,24 @@ class AccountManager private constructor() : ApplicationRunnerExtension {
     fun getOwnerIds() = account.teams.map { it.id }.toMutableList().apply { add(getAccountId()) }.toSet()
     fun getOwners(): Set<AccountOwner> {
         val owners = mutableSetOf<AccountOwner>()
-        owners.add(AccountOwner(getAccountId(), getEmail(), OwnerType.User))
+        owners.add(AccountOwner(getAccountId(), getEmail(), OwnerType.User, StringUtils.EMPTY))
         for (team in getTeams()) {
-            owners.add(AccountOwner(team.id, team.name, OwnerType.Team))
+            owners.add(AccountOwner(team.id, team.name, OwnerType.Team, team.role))
         }
         return owners
     }
 
     fun isFreePlan(): Boolean {
-        return isLocally() || getSubscription().plan == SubscriptionPlan.Free
+        return isLocally() || getSubscription().plan == SubscriptionPlan.Free.name
     }
 
     fun getSubscription(): Subscription {
 
         if (isLocally().not()) {
             val subscriptions = getSubscriptions()
-            val enterprises = getSubscriptions().filter { it.plan == SubscriptionPlan.Enterprise }
+            val enterprises = getSubscriptions().filter { it.plan == SubscriptionPlan.Enterprise.name }
-            val teams = subscriptions.filter { it.plan == SubscriptionPlan.Team }
+            val teams = subscriptions.filter { it.plan == SubscriptionPlan.Team.name }
-            val pros = subscriptions.filter { it.plan == SubscriptionPlan.Pro }
+            val pros = subscriptions.filter { it.plan == SubscriptionPlan.Pro.name }
             val now = System.currentTimeMillis()
 
             if (enterprises.any { it.endAt > now }) {
@@ -83,16 +83,9 @@ class AccountManager private constructor() : ApplicationRunnerExtension {
             }
         }
 
-        return Subscription(id = "0", plan = SubscriptionPlan.Free, startAt = 0, endAt = 0)
+        return Subscription(id = "0", plan = SubscriptionPlan.Free.name, startAt = 0, endAt = 0)
     }
 
-    fun hasTeamFeature(): Boolean {
-        if (accountProperties.signed.not()) return false
-        val plan = getSubscription().plan
-        return SubscriptionPlan.Team == plan || SubscriptionPlan.Enterprise == plan
-    }
-
-
     /**
      * 刷新 Token
      */

src/main/kotlin/app/termora/account/AccountOption.kt

@@ -123,7 +123,7 @@ class AccountOption : JPanel(BorderLayout()), OptionsPane.Option, Disposable {
         }
 
         val planBox = Box.createHorizontalBox()
-        planBox.add(JLabel(if (isLocally) "-" else subscription.plan.name))
+        planBox.add(JLabel(if (isLocally) "-" else subscription.plan))
         if (isFreePlan && isLocally.not()) {
             planBox.add(Box.createHorizontalStrut(16))
             val upgrade = JXHyperlink(object : AnAction(I18n.getString("termora.settings.account.upgrade")) {

src/main/kotlin/app/termora/account/AccountOwner.kt

@@ -1,5 +1,12 @@
 package app.termora.account
 
 import app.termora.database.OwnerType
+import org.apache.commons.lang3.StringUtils
 
-data class AccountOwner(val id: String, val name: String, val type: OwnerType)
+data class AccountOwner(val id: String, val name: String, val type: OwnerType, val role: String) {
+    constructor(id: String, name: String, type: OwnerType) : this(id, name, type, StringUtils.EMPTY)
+
+    fun isVisitorMode(): Boolean {
+        return type == OwnerType.Team && role == TeamRole.Visitor.name
+    }
+}

src/main/kotlin/app/termora/account/ServerManager.kt

@@ -159,5 +159,5 @@ class ServerManager private constructor() {
 
 
     @Serializable
-    data class MeTeam(val id: String, val name: String, val role: TeamRole, val secretKey: String)
+    data class MeTeam(val id: String, val name: String, val role: String, val secretKey: String)
 }

src/main/kotlin/app/termora/account/Subscription.kt

@@ -5,7 +5,7 @@ import kotlinx.serialization.Serializable
 @Serializable
 data class Subscription(
     val id: String,
-    val plan: SubscriptionPlan,
+    val plan: String,
     val startAt: Long,
     val endAt: Long,
 )

src/main/kotlin/app/termora/account/Team.kt

@@ -25,7 +25,7 @@ class Team(
     /**
      * 所属角色
      */
-    val role: TeamRole,
+    val role: String,
 ) {
     override fun equals(other: Any?): Boolean {
         if (this === other) return true

src/main/kotlin/app/termora/account/TeamRole.kt

@@ -3,4 +3,5 @@ package app.termora.account
 enum class TeamRole {
     Member,
     Owner,
+    Visitor,
 }

src/main/kotlin/app/termora/database/DatabaseManager.kt

@@ -409,7 +409,8 @@ class DatabaseManager private constructor() : Disposable {
             val accountOwner = AccountOwner(
                 id = account.id,
                 name = account.email,
-                type = OwnerType.User
+                type = OwnerType.User,
+                role = StringUtils.EMPTY,
             )
 
             for (host in hostManager.hosts()) {

src/main/kotlin/app/termora/highlight/KeywordHighlightDialog.kt

@@ -5,6 +5,7 @@ import app.termora.account.AccountManager
 import app.termora.account.AccountOwner
 import app.termora.database.OwnerType
 import com.formdev.flatlaf.extras.components.FlatTabbedPane
+import org.apache.commons.lang3.StringUtils
 import java.awt.Dimension
 import java.awt.Window
 import javax.swing.BorderFactory
@@ -45,12 +46,13 @@ class KeywordHighlightDialog(owner: Window) : DialogWrapper(owner) {
                 AccountOwner(
                     accountManager.getAccountId(),
                     accountManager.getEmail(),
-                    OwnerType.User
+                    OwnerType.User,
+                    StringUtils.EMPTY,
                 )
             ).apply { Disposer.register(disposable, this) }
         )
 
-        if (accountManager.hasTeamFeature()) {
+//        if (accountManager.hasTeamFeature()) {
         for (team in accountManager.getTeams()) {
             tabbed.addTab(
                 team.name,
@@ -59,11 +61,12 @@ class KeywordHighlightDialog(owner: Window) : DialogWrapper(owner) {
                     AccountOwner(
                         team.id,
                         team.name,
-                            OwnerType.Team
+                        OwnerType.Team,
+                        team.role,
                     )
                 ).apply { Disposer.register(disposable, this) })
         }
-        }
+//        }
 
 
         return tabbed

src/main/kotlin/app/termora/highlight/KeywordHighlightPanel.kt

@@ -248,6 +248,9 @@ class KeywordHighlightPanel(private val accountOwner: AccountOwner) : JPanel(Bor
 
             table.addMouseListener(object : MouseAdapter() {
                 override fun mouseClicked(e: MouseEvent) {
+                    if (accountOwner.isVisitorMode()) {
+                        return
+                    }
                     if (SwingUtilities.isLeftMouseButton(e)) {
                         val row = table.rowAtPoint(e.point)
                         val column = table.columnAtPoint(e.point)
@@ -299,7 +302,8 @@ class KeywordHighlightPanel(private val accountOwner: AccountOwner) : JPanel(Bor
 
                     if (keywordHighlight.backgroundColor in 0..16) {
                         if (keywordHighlight.backgroundColor == 0) {
-                            dialog.backgroundColor.background = Color(colorPalette.getColor(TerminalColor.Basic.BACKGROUND))
+                            dialog.backgroundColor.background =
+                                Color(colorPalette.getColor(TerminalColor.Basic.BACKGROUND))
                             dialog.backgroundColor.colorIndex = -1
                         } else {
                             dialog.backgroundColor.color =
@@ -402,7 +406,7 @@ class KeywordHighlightPanel(private val accountOwner: AccountOwner) : JPanel(Bor
             val panel = JPanel(BorderLayout())
             panel.add(JScrollPane(table).apply {
                 border = BorderFactory.createCompoundBorder(
-                    BorderFactory.createEmptyBorder(8, 8, 8, 0),
+                    BorderFactory.createEmptyBorder(8, 8, 8, if (accountOwner.isVisitorMode()) 8 else 0),
                     BorderFactory.createMatteBorder(1, 1, 1, 1, DynamicColor.BorderColor)
                 )
             }, BorderLayout.CENTER)
@@ -414,6 +418,7 @@ class KeywordHighlightPanel(private val accountOwner: AccountOwner) : JPanel(Bor
                 "default:grow",
                 "pref, $formMargin, pref, $formMargin, pref, $formMargin, pref, $formMargin, pref"
             )
+            if (accountOwner.isVisitorMode().not()) {
                 panel.add(
                     FormBuilder.create().layout(layout)
                         .border(BorderFactory.createEmptyBorder(8, 8, 8, 8))
@@ -424,7 +429,7 @@ class KeywordHighlightPanel(private val accountOwner: AccountOwner) : JPanel(Bor
                         .add(exportBtn).xy(1, rows).apply { rows += step }
                         .build(),
                     BorderLayout.EAST)
-
+            }
             return panel
         }
     }

src/main/kotlin/app/termora/keymgr/KeyManagerDialog.kt

@@ -8,6 +8,7 @@ import app.termora.account.AccountManager
 import app.termora.account.AccountOwner
 import app.termora.database.OwnerType
 import com.formdev.flatlaf.extras.components.FlatTabbedPane
+import org.apache.commons.lang3.StringUtils
 import java.awt.Dimension
 import java.awt.Window
 import javax.swing.BorderFactory
@@ -65,13 +66,14 @@ class KeyManagerDialog(
                     AccountOwner(
                         accountManager.getAccountId(),
                         accountManager.getEmail(),
-                        OwnerType.User
+                        OwnerType.User,
+                        StringUtils.EMPTY,
                     )
                 )
             )
         }
 
-        if (accountOwner != null && accountManager.hasTeamFeature()) {
+        if (accountOwner != null) {
             for (team in accountManager.getTeams()) {
                 if (team.id == accountOwner.id) {
                     tabbed.addTab(
@@ -81,7 +83,8 @@ class KeyManagerDialog(
                             AccountOwner(
                                 team.id,
                                 team.name,
-                                OwnerType.Team
+                                OwnerType.Team,
+                                team.role,
                             )
                         )
                     )
@@ -91,8 +94,7 @@ class KeyManagerDialog(
         }
 
 
-
+//        if (accountManager.hasTeamFeature()) {
-        if (accountManager.hasTeamFeature()) {
         for (team in accountManager.getTeams()) {
             tabbed.addTab(
                 team.name,
@@ -101,12 +103,13 @@ class KeyManagerDialog(
                     AccountOwner(
                         team.id,
                         team.name,
-                            OwnerType.Team
+                        OwnerType.Team,
+                        team.role,
                     )
                 )
             )
         }
-        }
+//        }
 
 
         return tabbed

src/main/kotlin/app/termora/keymgr/KeyManagerPanel.kt

@@ -2,8 +2,10 @@ package app.termora.keymgr
 
 import app.termora.*
 import app.termora.account.AccountOwner
+import app.termora.account.TeamRole
 import app.termora.actions.AnAction
 import app.termora.actions.AnActionEvent
+import app.termora.database.OwnerType
 import app.termora.plugin.internal.ssh.SSHProtocolProvider
 import app.termora.tree.Filter
 import app.termora.tree.HostTreeNode
@@ -56,6 +58,7 @@ class KeyManagerPanel(private val accountOwner: AccountOwner) : JPanel(BorderLay
     init {
         initView()
         initEvents()
+        preventImportantData()
     }
 
 
@@ -89,6 +92,8 @@ class KeyManagerPanel(private val accountOwner: AccountOwner) : JPanel(BorderLay
         add(JScrollPane(keyPairTable).apply {
             border = BorderFactory.createMatteBorder(1, 1, 1, 1, DynamicColor.BorderColor)
         }, BorderLayout.CENTER)
+
+        if (accountOwner.type == OwnerType.User || (accountOwner.type == OwnerType.Team && accountOwner.role != TeamRole.Visitor.name)) {
             add(
                 FormBuilder.create().layout(layout).padding(EmptyBorder(0, 12, 0, 0))
                     .add(generateBtn).xy(1, rows).apply { rows += step }
@@ -98,6 +103,8 @@ class KeyManagerPanel(private val accountOwner: AccountOwner) : JPanel(BorderLay
                     .add(deleteBtn).xy(1, rows).apply { rows += step }
                     .add(sshCopyIdBtn).xy(1, rows).apply { rows += step }
                     .build(), BorderLayout.EAST)
+        }
+
         border = BorderFactory.createEmptyBorder(12, 12, 12, 12)
 
     }
@@ -199,6 +206,17 @@ class KeyManagerPanel(private val accountOwner: AccountOwner) : JPanel(BorderLay
         }
     }
 
+    private fun preventImportantData() {
+        if (accountOwner.isVisitorMode()) {
+            generateBtn.isVisible = false
+            editBtn.isVisible = false
+            deleteBtn.isVisible = false
+            importBtn.isVisible = false
+            exportBtn.isVisible = false
+            sshCopyIdBtn.isVisible = false
+        }
+    }
+
     private fun sshCopyId(evt: AnActionEvent) {
         val keyPairs = keyPairTable.selectedRows.map { keyPairTableModel.getOhKeyPair(it) }
         val publicKeys = mutableListOf<Pair<String, String>>()

src/main/kotlin/app/termora/plugin/internal/rdp/RDPHostOptionsPane.kt

@@ -1,6 +1,7 @@
 package app.termora.plugin.internal.rdp
 
 import app.termora.*
+import app.termora.account.AccountOwner
 import app.termora.plugin.internal.BasicProxyOption
 import com.formdev.flatlaf.FlatClientProperties
 import com.formdev.flatlaf.extras.components.FlatComboBox
@@ -17,7 +18,7 @@ import java.awt.event.ComponentEvent
 import java.awt.event.ItemEvent
 import javax.swing.*
 
-internal open class RDPHostOptionsPane : OptionsPane() {
+internal open class RDPHostOptionsPane(private val accountOwner: AccountOwner) : OptionsPane() {
     protected val generalOption = GeneralOption()
     protected val proxyOption = BasicProxyOption()
     protected val owner: Window get() = SwingUtilities.getWindowAncestor(this)

src/main/kotlin/app/termora/plugin/internal/rdp/RDPProtocolHostPanel.kt

@@ -2,11 +2,12 @@ package app.termora.plugin.internal.rdp
 
 import app.termora.Disposer
 import app.termora.Host
+import app.termora.account.AccountOwner
 import app.termora.protocol.ProtocolHostPanel
 import java.awt.BorderLayout
 
-class RDPProtocolHostPanel : ProtocolHostPanel() {
+class RDPProtocolHostPanel(private val accountOwner: AccountOwner) : ProtocolHostPanel() {
-    private val pane = RDPHostOptionsPane()
+    private val pane = RDPHostOptionsPane(accountOwner)
 
     init {
         initView()

src/main/kotlin/app/termora/plugin/internal/rdp/RDPProtocolHostPanelExtension.kt

@@ -16,7 +16,7 @@ internal class RDPProtocolHostPanelExtension private constructor() : ProtocolHos
     }
 
     override fun createProtocolHostPanel(accountOwner: AccountOwner): ProtocolHostPanel {
-        return RDPProtocolHostPanel()
+        return RDPProtocolHostPanel(accountOwner)
     }
 
     override fun ordered(): Long {

src/main/kotlin/app/termora/tag/TagDialog.kt

@@ -46,12 +46,12 @@ class TagDialog(owner: Window, private val accountOwnerId: String = StringUtils.
                 AccountOwner(
                     accountManager.getAccountId(),
                     accountManager.getEmail(),
-                    OwnerType.User
+                    OwnerType.User,
+                    StringUtils.EMPTY,
                 )
             ).apply { Disposer.register(disposable, this) }
         )
 
-        if (accountManager.hasTeamFeature()) {
         for (team in accountManager.getTeams()) {
             tabbed.addTab(
                 team.name,
@@ -60,7 +60,8 @@ class TagDialog(owner: Window, private val accountOwnerId: String = StringUtils.
                     AccountOwner(
                         team.id,
                         team.name,
-                            OwnerType.Team
+                        OwnerType.Team,
+                        team.role,
                     )
                 ).apply { Disposer.register(disposable, this) })
 
@@ -68,7 +69,6 @@ class TagDialog(owner: Window, private val accountOwnerId: String = StringUtils.
                 tabbed.selectedIndex = tabbed.tabCount - 1
             }
         }
-        }
 
         return tabbed
     }

src/main/kotlin/app/termora/tag/TagPanel.kt

@@ -2,6 +2,8 @@ package app.termora.tag
 
 import app.termora.*
 import app.termora.account.AccountOwner
+import app.termora.account.TeamRole
+import app.termora.database.OwnerType
 import com.jgoodies.forms.builder.FormBuilder
 import com.jgoodies.forms.layout.FormLayout
 import java.awt.BorderLayout
@@ -9,7 +11,7 @@ import java.awt.Component
 import javax.swing.*
 import javax.swing.border.EmptyBorder
 
-class TagPanel(accountOwner: AccountOwner) : JPanel(BorderLayout()), Disposable {
+class TagPanel(private val accountOwner: AccountOwner) : JPanel(BorderLayout()), Disposable {
 
     private val owner get() = SwingUtilities.getWindowAncestor(this)
 
@@ -23,6 +25,7 @@ class TagPanel(accountOwner: AccountOwner) : JPanel(BorderLayout()), Disposable
     init {
         initView()
         initEvents()
+        preventImportantData()
     }
 
     private fun initView() {
@@ -108,6 +111,14 @@ class TagPanel(accountOwner: AccountOwner) : JPanel(BorderLayout()), Disposable
 
     }
 
+    private fun preventImportantData() {
+        if (accountOwner.isVisitorMode()) {
+            addBtn.isVisible = false
+            editBtn.isVisible = false
+            deleteBtn.isVisible = false
+        }
+    }
+
     private fun createCenterPanel(): JComponent {
 
         val panel = JPanel(BorderLayout())

src/main/kotlin/app/termora/tree/NewHostTree.kt

@@ -3,6 +3,8 @@ package app.termora.tree
 import app.termora.*
 import app.termora.Application.ohMyJson
 import app.termora.account.AccountManager
+import app.termora.account.Team
+import app.termora.account.TeamRole
 import app.termora.actions.AnAction
 import app.termora.actions.AnActionEvent
 import app.termora.actions.OpenHostAction
@@ -455,6 +457,33 @@ class NewHostTree : SimpleTree(), Disposable {
 
         })
 
+        popupMenu.addPopupMenuListener(object : PopupMenuListener {
+
+            override fun popupMenuWillBecomeVisible(e: PopupMenuEvent?) {
+                for (node in nodes) {
+                    val team = TeamTreeNode.parentTeam(node) ?: continue
+                    if (team.role == TeamRole.Visitor.name) {
+                        copy.isEnabled = false
+                        remove.isEnabled = false
+                        rename.isEnabled = false
+                        importMenu.isEnabled = false
+                        newMenu.isEnabled = false
+                        tagsMenu.isEnabled = false
+                        break
+                    }
+                }
+            }
+
+            override fun popupMenuWillBecomeInvisible(e: PopupMenuEvent?) {
+
+            }
+
+            override fun popupMenuCanceled(e: PopupMenuEvent?) {
+
+            }
+
+        })
+
         val mnemonics = mapOf(
             refresh to KeyEvent.VK_R,
             newMenu to KeyEvent.VK_W,

src/main/kotlin/app/termora/tree/NewHostTreeModel.kt

@@ -61,11 +61,11 @@ class NewHostTreeModel private constructor() : SimpleTreeModel<Host>(
 
         // 如果是根，需要引入团队功能
         if (parent == getRoot()) {
-            if (accountManager.hasTeamFeature()) {
+//            if (accountManager.hasTeamFeature()) {
             for (team in accountManager.getTeams()) {
                 nodes[team.id] = TeamTreeNode(team)
             }
-            }
+//            }
 
             nodes[accountManager.getAccountId()] = HostTreeNode(
                 Host(
@@ -93,11 +93,11 @@ class NewHostTreeModel private constructor() : SimpleTreeModel<Host>(
         }
 
         if (parent == getRoot()) {
-            if (accountManager.hasTeamFeature()) {
+//            if (accountManager.hasTeamFeature()) {
             for (team in accountManager.getTeams()) {
                 parent.add(nodes.getValue(team.id))
             }
-            }
+//            }
             parent.add(nodes.getValue(accountManager.getAccountId()))
         } else {
             for (node in nodes.values) {

src/main/kotlin/app/termora/tree/SimpleTree.kt

@@ -1,6 +1,7 @@
 package app.termora.tree
 
 import app.termora.OutlineTextField
+import app.termora.account.TeamRole
 import com.formdev.flatlaf.ui.FlatTreeUI
 import org.jdesktop.swingx.JXTree
 import java.awt.Dimension
@@ -134,6 +135,13 @@ open class SimpleTree : JXTree() {
                     }
                 }
 
+                for (node in nodes) {
+                    val team = TeamTreeNode.parentTeam(node) ?: continue
+                    if (team.role == TeamRole.Visitor.name) {
+                        return null
+                    }
+                }
+
                 return MoveNodeTransferable(nodes)
             }
 
@@ -153,9 +161,14 @@ open class SimpleTree : JXTree() {
                 if (nodes.isEmpty()) return false
                 if (!node.isFolder) return false
 
+                val team = TeamTreeNode.parentTeam(node)
+                if (team?.role == TeamRole.Visitor.name) {
+                    return false
+                }
+
                 for (e in nodes) {
                     // 禁止拖拽到自己的子下面
-                    if (path.equals(TreePath(e.path)) || TreePath(e.path).isDescendant(path)) {
+                    if (path == TreePath(e.path) || TreePath(e.path).isDescendant(path)) {
                         return false
                     }
 
@@ -333,7 +346,7 @@ open class SimpleTree : JXTree() {
 
     private inner class MyTreeUI : FlatTreeUI() {
 
-        override fun createNodeDimensions(): AbstractLayoutCache.NodeDimensions? {
+        override fun createNodeDimensions(): AbstractLayoutCache.NodeDimensions {
             return object : NodeDimensionsHandler() {
                 override fun getNodeDimensions(
                     value: Any?, row: Int, depth: Int, expanded: Boolean,

src/main/kotlin/app/termora/tree/TeamTreeNode.kt

@@ -26,4 +26,16 @@ class TeamTreeNode(val team: Team) : HostTreeNode(
     override fun toString(): String {
         return team.name
     }
+
+    companion object {
+        fun parentTeam(node: SimpleTreeNode<*>?): Team? {
+            if (node is TeamTreeNode) {
+                return node.team
+            } else if (node == null) {
+                return null
+            }
+            return parentTeam(node.parent)
+        }
+
+    }
 }