City Info Table Expanders - fix persistence and resizing, close/open all button (#6441)

* Fix CityInfoTable expander persistence and resizing issues

* CityInfoTable button to close/open all expanders

core/src/com/unciv/ui/cityscreen/CityInfoTable.kt

@@ -1,7 +1,9 @@
 package com.unciv.ui.cityscreen
 
 import com.badlogic.gdx.graphics.Color
+import com.badlogic.gdx.scenes.scene2d.Group
 import com.badlogic.gdx.scenes.scene2d.Touchable
+import com.badlogic.gdx.scenes.scene2d.ui.Cell
 import com.badlogic.gdx.scenes.scene2d.ui.Table
 import com.badlogic.gdx.utils.Align
 import com.unciv.Constants
@@ -24,6 +26,10 @@ class CityInfoTable(private val cityScreen: CityScreen) : Table(BaseScreen.skin)
     private val scrollPane: ScrollPane
     private val innerTable = Table(skin)
 
+    private val allExpanders = mutableListOf<ExpanderTab>()
+    private val hideShowAllCell: Cell<Group>
+    private var hideShowAllShouldClose = false
+
     init {
         align(Align.topLeft)
 
@@ -37,13 +43,17 @@ class CityInfoTable(private val cityScreen: CityScreen) : Table(BaseScreen.skin)
         scrollPane = ScrollPane(innerTable.addBorder(2f, Color.WHITE))
         scrollPane.setOverscroll(false, false)
 
-        add(showConstructionsTableButton).left().padLeft(pad).padBottom(pad).row()
-        add(scrollPane).left().row()
+        val hideShowAllButton = Group()
+        add(showConstructionsTableButton).left().padLeft(pad).padBottom(pad)
+        hideShowAllCell = add(hideShowAllButton).size(30f)  // size as the cell won't be resized when the actor is replaced
+        hideShowAllCell.left().padLeft(pad).padBottom(pad).expandX().row()
+        add(scrollPane).colspan(2).left().row()
     }
 
     internal fun update() {
         val cityInfo = cityScreen.city
 
+        allExpanders.clear()
         innerTable.clear()
 
         innerTable.apply {
@@ -52,24 +62,56 @@ class CityInfoTable(private val cityScreen: CityScreen) : Table(BaseScreen.skin)
             addGreatPersonPointInfo(cityInfo)
         }
 
+        updateHideShowAllButton()
+
         getCell(scrollPane).maxHeight(stage.height - showConstructionsTableButton.height - pad - 10f)
+        onContentResize()
+    }
+
+    private fun updateHideShowAllButton() {
+        val anyExpanderOpen = allExpanders.map { it.isOpen }.maxOrNull() ?: false
+        if (anyExpanderOpen == hideShowAllShouldClose) return
+        hideShowAllShouldClose = anyExpanderOpen
+        val hideShowAllButton = getToggleButton(hideShowAllShouldClose)
+        hideShowAllButton.touchable = Touchable.enabled
+        hideShowAllButton.onClick {
+            for (expander in allExpanders) {
+                if (expander.isOpen == hideShowAllShouldClose) expander.toggle()
+            }
+            updateHideShowAllButton()
+        }
+        hideShowAllCell.setActor(hideShowAllButton)
+    }
+
+    private fun onContentResize() {
         pack()
+        setPosition(CityScreen.posFromEdge, stage.height - CityScreen.posFromEdge, Align.topLeft)
     }
 
     private fun Table.addCategory(category: String, showHideTable: Table) {
         val categoryWidth = cityScreen.stage.width / 4
-        val expander = ExpanderTab(category, persistenceID = "CityInfo") {
+        val expander = ExpanderTab(category, persistenceID = "CityInfo.$category"
+            , onChange = {
+                onContentResize()
+                updateHideShowAllButton()
+            }
+        ) {
             it.add(showHideTable).minWidth(categoryWidth)
         }
         addSeparator()
         add(expander).minWidth(categoryWidth).expandX().fillX().row()
+        allExpanders += expander
     }
 
     private fun addBuildingInfo(building: Building, destinationTable: Table) {
         val icon = ImageGetter.getConstructionImage(building.name).surroundWithCircle(30f)
         val isFree = building.name in cityScreen.city.civInfo.civConstructions.getFreeBuildings(cityScreen.city.id)
         val displayName = if (isFree) "{${building.name}} ({Free})" else building.name
-        val buildingNameAndIconTable = ExpanderTab(displayName, Constants.defaultFontSize, icon, false, 5f) {
+        val buildingNameAndIconTable = ExpanderTab(
+            displayName, Constants.defaultFontSize, icon,
+            startsOutOpened = false, defaultPad = 5f,
+            onChange = { onContentResize() }
+        ) {
             val detailsString = building.getDescription(cityScreen.city, false)
             it.add(detailsString.toLabel().apply { wrap = true })
                 .width(cityScreen.stage.width / 4 - 2 * pad).row() // when you set wrap, then you need to manually set the size of the label
@@ -146,8 +188,13 @@ class CityInfoTable(private val cityScreen: CityScreen) : Table(BaseScreen.skin)
         }
     }
 
-    private fun addStatsToHashmap(statTreeNode: StatTreeNode, hashMap: HashMap<String, Float>, stat:Stat,
-                                  showDetails:Boolean, indentation:Int=0) {
+    private fun addStatsToHashmap(
+        statTreeNode: StatTreeNode,
+        hashMap: HashMap<String, Float>,
+        stat: Stat,
+        showDetails: Boolean,
+        indentation: Int = 0
+    ) {
         for ((name, child) in statTreeNode.children) {
             val statAmount = child.totalStats[stat]
             if (statAmount == 0f) continue
@@ -185,6 +232,7 @@ class CityInfoTable(private val cityScreen: CityScreen) : Table(BaseScreen.skin)
                 statValuesTable,
                 !showDetails
             )
+            onContentResize()
         }
 
         val relevantBaseStats = LinkedHashMap<String, Float>()
@@ -245,10 +293,7 @@ class CityInfoTable(private val cityScreen: CityScreen) : Table(BaseScreen.skin)
         statValuesTable.pack()
 
         if (stat != Stat.Happiness) {
-            val toggleButtonChar = if (showDetails) "-" else "+"
-            val toggleButton = toggleButtonChar.toLabel().apply { setAlignment(Align.center) }
-                .surroundWithCircle(25f, color = ImageGetter.getBlue())
-                .surroundWithCircle(27f, false)
+            val toggleButton = getToggleButton(showDetails)
             statValuesTable.addActor(toggleButton)
             toggleButton.setPosition(0f, statValuesTable.height, Align.topLeft)
         }
@@ -256,6 +301,14 @@ class CityInfoTable(private val cityScreen: CityScreen) : Table(BaseScreen.skin)
         statValuesTable.padBottom(4f)
     }
 
+    private fun getToggleButton(showDetails: Boolean): IconCircleGroup {
+        val label = (if (showDetails) "-" else "+").toLabel()
+        label.setAlignment(Align.center)
+        return label
+            .surroundWithCircle(25f, color = ImageGetter.getBlue())
+            .surroundWithCircle(27f, false)
+    }
+
     private fun Table.addGreatPersonPointInfo(cityInfo: CityInfo) {
         val greatPersonPoints = cityInfo.getGreatPersonPointsForNextTurn()
         val allGreatPersonNames = greatPersonPoints.asSequence().flatMap { it.value.keys }.distinct()
@@ -274,7 +327,7 @@ class CityInfoTable(private val cityScreen: CityScreen) : Table(BaseScreen.skin)
 
     companion object {
         private const val FONT_SIZE_STAT_INFO_HEADER = 22
-        
+
         private fun Float.toPercentLabel() =
             "${if (this>0f) "+" else ""}${DecimalFormat("0.#").format(this)}%".toLabel()
         private fun Float.toOneDecimalLabel() =

core/src/com/unciv/ui/cityscreen/CityScreen.kt

@@ -113,7 +113,7 @@ class CityScreen(
             constructionsTable.isVisible = false
             cityInfoTable.isVisible = true
             cityInfoTable.update()
-            cityInfoTable.setPosition(posFromEdge, stage.height - posFromEdge, Align.topLeft)
+            // CityInfoTable sets its relative position itself
         }
 
         // Bottom right: Tile or selected construction info