Add ability to change team from color bar

Author: Rian8337

src/com/osudroid/ui/v2/multi/RoomPlayerCard.kt

@@ -36,7 +36,7 @@ import ru.nsu.ccfit.zuev.osu.online.OnlineManager
 import ru.nsu.ccfit.zuev.osuplus.R
 
 class RoomPlayerCard : UILinearContainer() {
-    private val teamColorBar: UIBox
+    private val teamColorBar: UIButton
     private val playerButton: RoomPlayerButton
 
     init {
@@ -45,11 +45,11 @@ class RoomPlayerCard : UILinearContainer() {
         padding = Vec4(12f, 8f)
         spacing = 12f
 
-        teamColorBar = UIBox().apply {
+        teamColorBar = UIButton().apply {
+            applyTheme = {}
             relativeSizeAxes = Axes.X
             width = 0.025f
             height = FillParent
-            cornerRadius = 12f
         }
 
         playerButton = RoomPlayerButton()
@@ -64,13 +64,19 @@ class RoomPlayerCard : UILinearContainer() {
                 attachChild(teamColorBar, 0)
             }
 
-            teamColorBar.color = when (player.team) {
+            teamColorBar.background?.color = when (player.team) {
                 Blue -> Color4("#1E62E8") * 0.8f
                 Red -> Color4("#E34444") * 0.8f
                 null -> Theme.current.accentColor * 0.6f
             }
-        } else if (teamColorBar.hasParent()) {
-            detachChild(teamColorBar)
+
+            if (player.id == OnlineManager.getInstance().userId) {
+                teamColorBar.onActionUp = { showTeamDropdown() }
+            } else {
+                teamColorBar.onActionUp = null
+            }
+        } else {
+            teamColorBar.detachSelf()
         }
     }
 
@@ -79,6 +85,28 @@ class RoomPlayerCard : UILinearContainer() {
         playerButton.bannerJob?.cancel()
     }
 
+    private fun showTeamDropdown() {
+        UIDropdown(teamColorBar).apply dropdown@{
+            width = 100f
+
+            addButton {
+                text = "Red"
+                onActionUp = {
+                    RoomAPI.setPlayerTeam(Red)
+                    this@dropdown.hide()
+                }
+            }
+
+            addButton {
+                text = "Blue"
+                onActionUp = {
+                    RoomAPI.setPlayerTeam(Blue)
+                    this@dropdown.hide()
+                }
+            }
+        }.show()
+    }
+
     private class RoomPlayerButton : UIButton() {
 
         private lateinit var nameText: CompoundText