[Java] Add toolbar and button for the scrolling until end in compilation charts

IDEA-356480

GitOrigin-RevId: 0a9f4a9e9eb44dc557286ce32faabd7f4d5b2f72

java/compiler/charts/resources/messages/CompilationChartsBundle.properties

@@ -6,4 +6,6 @@ charts.production.type=Production
 charts.test.type=Test
 charts.memory.type=Memory
 charts.cpu.type=CPU
-charts.search.results={0} results
+charts.search.results={0} results
+charts.scroll.to.end.action.title = Scroll to End
+charts.scroll.to.end.action.description = Scrolls to end in compilation charts

java/compiler/charts/src/com/intellij/java/compiler/charts/CompilationChartsViewModel.kt

@@ -18,8 +18,12 @@ class CompilationChartsViewModel(val lifetime: Lifetime) {
   val statistics: Statistics = Statistics()
   val cpuMemory: RdProperty<CpuMemoryStatisticsType> = RdProperty(CpuMemoryStatisticsType.MEMORY)
   val filter: RdProperty<Filter> = RdProperty(Filter())
+  val scrollToEndEvent: RdProperty<ScrollToEndEvent> = RdProperty(ScrollToEndEvent())
 
   private val threadIndexes: MutableMap<Long, Int> = ConcurrentHashMap()
+
+  fun requestScrollToEnd() = scrollToEndEvent.set(ScrollToEndEvent())
+
   fun started(values: List<StartTarget>) {
     values.forEach { value ->
       modules.add(Modules.StartEvent(value, index(value.thread)))
@@ -118,6 +122,8 @@ class CompilationChartsViewModel(val lifetime: Lifetime) {
     }
   }
 
+  class ScrollToEndEvent
+
   enum class CpuMemoryStatisticsType {
     CPU, MEMORY
   }

java/compiler/charts/src/com/intellij/java/compiler/charts/ui/ActionPanel.kt

@@ -4,8 +4,8 @@ package com.intellij.java.compiler.charts.ui
 import com.intellij.icons.AllIcons
 import com.intellij.java.compiler.charts.CompilationChartsBundle
 import com.intellij.java.compiler.charts.CompilationChartsViewModel
-import com.intellij.openapi.actionSystem.ActionManager
-import com.intellij.openapi.actionSystem.IdeActions
+import com.intellij.openapi.actionSystem.*
+import com.intellij.openapi.actionSystem.ex.CustomComponentAction
 import com.intellij.openapi.project.DumbAwareAction
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.ui.popup.IconButton
@@ -104,10 +104,42 @@ class ActionPanel(private val project: Project, private val vm: CompilationChart
     })
 
     // legend
-    addToRight(JPanel().apply {
+    val actionGroup = DefaultActionGroup({"Some action group"}, listOf(CompilationChartsStatsActionHolder(vm), Separator(), ScrollToEndAction(vm)))
+    addToRight(ActionManager.getInstance().createActionToolbar("Some toolbar", actionGroup, true).component)
+
+    DumbAwareAction.create {
+      val focusManager = IdeFocusManager.getInstance(project)
+      if (focusManager.getFocusedDescendantFor(this@ActionPanel.component) != null) {
+        focusManager.requestFocus(searchField, true)
+      }
+    }.registerCustomShortcutSet(ActionManager.getInstance().getAction(IdeActions.ACTION_FIND).shortcutSet, this@ActionPanel.component)
+  }
+
+  fun updateLabel(set: Set<CompilationChartsViewModel.Modules.EventKey>?, filter: CompilationChartsViewModel.Filter?) {
+    if (set == null || filter == null) {
+      countLabel.text = ""
+    } else {
+      val count = set.count { filter.test(it) }
+      if (count == set.count()) {
+        countLabel.text = ""
+      } else {
+        countLabel.text = CompilationChartsBundle.message("charts.search.results", count)
+      }
+    }
+  }
+
+  private class ScrollToEndAction(private val vm : CompilationChartsViewModel): DumbAwareAction(
+    CompilationChartsBundle.message("charts.scroll.to.end.action.title"),
+    CompilationChartsBundle.message("charts.scroll.to.end.action.description"),
+    AllIcons.Actions.Forward) {
+    override fun actionPerformed(e: AnActionEvent) = vm.requestScrollToEnd()
+  }
+
+  private class CompilationChartsStatsActionHolder(private val vm: CompilationChartsViewModel) : DumbAwareAction(), CustomComponentAction {
+
+    override fun createCustomComponent(presentation: Presentation, place: String): JComponent = JPanel().apply {
       layout = BoxLayout(this, BoxLayout.LINE_AXIS)
       border = JBUI.Borders.empty(2)
-
       add(JBPanel<JBPanel<*>>(FlowLayout(FlowLayout.LEFT)).apply {
         val block = JBLabel().apply {
           preferredSize = Dimension(10, 10)
@@ -173,7 +205,6 @@ class ActionPanel(private val project: Project, private val vm: CompilationChart
           background = COLOR_MEMORY_BORDER
         }
         val label = JBLabel(CompilationChartsBundle.message("charts.memory.type"))
-
         add(block)
         add(label)
 
@@ -194,26 +225,7 @@ class ActionPanel(private val project: Project, private val vm: CompilationChart
           }
         })
       })
-    })
-
-    DumbAwareAction.create {
-      val focusManager = IdeFocusManager.getInstance(project)
-      if (focusManager.getFocusedDescendantFor(this@ActionPanel.component) != null) {
-        focusManager.requestFocus(searchField, true)
-      }
-    }.registerCustomShortcutSet(ActionManager.getInstance().getAction(IdeActions.ACTION_FIND).shortcutSet, this@ActionPanel.component)
-  }
-
-  fun updateLabel(set: Set<CompilationChartsViewModel.Modules.EventKey>?, filter: CompilationChartsViewModel.Filter?) {
-    if (set == null || filter == null) {
-      countLabel.text = ""
-    } else {
-      val count = set.count { filter.test(it) }
-      if (count == set.count()) {
-        countLabel.text = ""
-      } else {
-        countLabel.text = CompilationChartsBundle.message("charts.search.results", count)
-      }
     }
+    override fun actionPerformed(e: AnActionEvent) = Unit
   }
 }

java/compiler/charts/src/com/intellij/java/compiler/charts/ui/CompilationChartsView.kt

@@ -84,6 +84,10 @@ class CompilationChartsView(project: Project, private val vm: CompilationChartsV
       diagrams.cpuMemory = filter
       diagrams.forceRepaint()
     }
+
+    vm.scrollToEndEvent.advise(vm.lifetime) { _ ->
+      rightAdhesionScrollBarListener.scrollToEnd()
+    }
   }
 
   companion object {

java/compiler/charts/src/com/intellij/java/compiler/charts/ui/RightAdhesionScrollBarListener.kt

@@ -47,6 +47,11 @@ internal class RightAdhesionScrollBarListener(private val viewport: JViewport) :
     shouldScroll = viewport.viewPosition.x + viewport.width + additionalValue >= viewport.viewSize.width
   }
 
+  fun scrollToEnd() {
+    shouldScroll = true
+    adjustHorizontalScrollToRightIfNeeded()
+  }
+
   companion object {
     val LOG = Logger.getInstance(RightAdhesionScrollBarListener::class.java)
   }