IDEA-307112 Search Everywhere: show info about selected item

GitOrigin-RevId: cc06536beb3b03de089faf3cbb13c092d88efee7

platform/lang-impl/src/com/intellij/ide/actions/searcheverywhere/SearchEverywhereUI.java

@@ -54,7 +54,7 @@ import com.intellij.ui.*;
 import com.intellij.ui.components.JBList;
 import com.intellij.ui.components.fields.ExtendableTextComponent;
 import com.intellij.ui.components.fields.ExtendableTextField;
-import com.intellij.ui.popup.PopupUpdateProcessor;
+import com.intellij.ui.popup.PopupUpdateProcessorBase;
 import com.intellij.ui.scale.JBUIScale;
 import com.intellij.usageView.UsageInfo;
 import com.intellij.usageView.UsageViewBundle;
@@ -103,6 +103,8 @@ public final class SearchEverywhereUI extends BigPopupUI implements DataProvider
 
   public static final String SEARCH_EVERYWHERE_SEARCH_FILED_KEY = "search-everywhere-textfield"; //only for testing purposes
 
+  static final DataKey<SearchEverywhereFoundElementInfo> SELECTED_ITEM_INFO = DataKey.create("selectedItemInfo");
+
   public static final int SINGLE_CONTRIBUTOR_ELEMENTS_LIMIT = 30;
   public static final int MULTIPLE_CONTRIBUTORS_ELEMENTS_LIMIT = 15;
 
@@ -332,6 +334,9 @@ public final class SearchEverywhereUI extends BigPopupUI implements DataProvider
     if (CommonDataKeys.PROJECT.is(dataId)) {
       return myProject;
     }
+    if (SELECTED_ITEM_INFO.is(dataId)) {
+      return ContainerUtil.getOnlyItem(getSelectedInfos());
+    }
     if (PlatformCoreDataKeys.SELECTED_ITEM.is(dataId)) {
       SearchEverywhereFoundElementInfo info = ContainerUtil.getOnlyItem(getSelectedInfos());
       return info == null ? null : info.getElement();
@@ -411,7 +416,7 @@ public final class SearchEverywhereUI extends BigPopupUI implements DataProvider
 
   private void updateHint(Object element) {
     if (myHint == null || !myHint.isVisible()) return;
-    final PopupUpdateProcessor updateProcessor = myHint.getUserData(PopupUpdateProcessor.class);
+    final PopupUpdateProcessorBase updateProcessor = myHint.getUserData(PopupUpdateProcessorBase.class);
     if (updateProcessor != null) {
       updateProcessor.updatePopup(element);
     }

platform/lang-impl/src/com/intellij/ide/actions/searcheverywhere/ShowElementInfoAction.kt

@@ -0,0 +1,122 @@
+// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.intellij.ide.actions.searcheverywhere
+
+import com.intellij.codeWithMe.ClientId.Companion.current
+import com.intellij.ide.DataManager
+import com.intellij.openapi.actionSystem.ActionUpdateThread
+import com.intellij.openapi.actionSystem.AnAction
+import com.intellij.openapi.actionSystem.AnActionEvent
+import com.intellij.openapi.actionSystem.PlatformCoreDataKeys
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.ui.popup.JBPopupFactory
+import com.intellij.openapi.util.Disposer
+import com.intellij.ui.popup.AbstractPopup
+import com.intellij.ui.popup.PopupPositionManager
+import com.intellij.ui.popup.PopupUpdateProcessorBase
+import com.intellij.util.ui.JBDimension
+import java.awt.Component
+import javax.swing.JEditorPane
+
+class ShowElementInfoAction : AnAction() {
+  override fun actionPerformed(e: AnActionEvent) {
+    val ui = getSEUI(e.getData(PlatformCoreDataKeys.CONTEXT_COMPONENT)) ?: return
+    val infoManager = ElementInfoManager.getInstance(ui)
+    e.getData(SearchEverywhereUI.SELECTED_ITEM_INFO)?.let { infoManager.showElementInfo(it, e.project) }
+  }
+
+  override fun update(e: AnActionEvent) {
+    e.presentation.isEnabled = getSEUI(e.getData(PlatformCoreDataKeys.CONTEXT_COMPONENT)) != null
+  }
+
+  override fun getActionUpdateThread() = ActionUpdateThread.EDT
+
+  override fun isDumbAware() = true
+
+  private fun getSEUI(component: Component?): SearchEverywhereUI? {
+    var current = component
+    while (current != null) {
+      if (current is SearchEverywhereUI) return current
+      current = current.parent
+    }
+
+    return null
+  }
+}
+
+private const val POPUP_DIMENSION_KEY = "search.everywhere.element.info.popup"
+private const val ELEMENT_INFO_MANAGER_KEY = "SEElementInfoManager"
+
+@Suppress("HardCodedStringLiteral")
+private class ElementInfoManager(private val seUI: SearchEverywhereUI) {
+
+  companion object {
+    fun getInstance(ui : SearchEverywhereUI): ElementInfoManager {
+      var manager = ui.getClientProperty(ELEMENT_INFO_MANAGER_KEY)
+      if (manager != null) return manager as ElementInfoManager
+
+      manager = ElementInfoManager(ui)
+      ui.putClientProperty(ELEMENT_INFO_MANAGER_KEY, manager)
+      return manager
+    }
+  }
+
+  private var myPopup: AbstractPopup? = null
+
+  fun showElementInfo(info: SearchEverywhereFoundElementInfo, project: Project?) {
+    val popup = myPopup
+    if (popup?.isVisible == true) {
+      fillContent(popup.component as JEditorPane, info)
+    }
+    else {
+      val content = JEditorPane()
+      content.preferredSize = JBDimension(250, 150)
+      fillContent(content, info)
+      showPopup(content, project)
+    }
+  }
+
+  private fun showPopup(content: JEditorPane, project: Project?) {
+
+    val updater = object : PopupUpdateProcessorBase() {
+      override fun updatePopup(element: Any?) {
+        val popup = myPopup
+        if (popup?.isVisible == true) {
+          seUI.getData(SearchEverywhereUI.SELECTED_ITEM_INFO.name)?.let { fillContent(popup.component as JEditorPane, it as SearchEverywhereFoundElementInfo) }
+        }
+      }
+    }
+
+    val popup = JBPopupFactory.getInstance().createComponentPopupBuilder(content, content)
+      .setProject(project)
+      .addUserData(updater)
+      .addUserData(current)
+      .setResizable(true)
+      .setMovable(true)
+      .setFocusable(false)
+      .setRequestFocus(false)
+      .setCancelOnClickOutside(false)
+      .setModalContext(false)
+      .setCancelCallback { true }
+      .setDimensionServiceKey(project, POPUP_DIMENSION_KEY, false)
+      .createPopup() as AbstractPopup
+
+    seUI.registerHint(popup)
+    Disposer.register(popup) { seUI.unregisterHint() }
+    PopupPositionManager.positionPopupInBestPosition(popup, null, DataManager.getInstance().getDataContext(seUI))
+
+    myPopup = popup
+  }
+
+  private fun fillContent(content: JEditorPane, info: SearchEverywhereFoundElementInfo) {
+    if (info.element == SearchListModel.MORE_ELEMENT) {
+      content.text = "'More...' element"
+      return
+    }
+
+    val sb = StringBuilder()
+    sb.appendLine("contributor: ${info.contributor.searchProviderId}")
+    sb.appendLine("weight: ${info.priority}")
+
+    content.text = sb.toString()
+  }
+}

platform/platform-resources-en/src/messages/ActionsBundle.properties

@@ -2101,6 +2101,7 @@ action.FocusTracer.text=Start Focus Tracing
 action.KeymapToCsv.text=Export Keymap to CSV...
 action.CompareKeymaps.text=Compare Keymaps...
 action.BrowseWeb.text=Browse Web...
+action.ShowSearchEverywhereItemInfo.text=Show Search Everywhere Item Info
 action.PerformGC.text=Perform GC
 action.LogFocusRequests.text=Log Focus Requests
 action.UiInspector.text=UI &Inspector

platform/platform-resources/src/idea/PlatformActions.xml

@@ -1286,6 +1286,8 @@
       <action id="CompareKeymaps" internal="true" class="com.intellij.internal.CompareKeymapsAction"/>
       <action id="BrowseWeb" internal="true" class="com.intellij.internal.BrowseWebAction"/>
 
+      <action id="ShowSearchEverywhereItemInfo" class="com.intellij.ide.actions.searcheverywhere.ShowElementInfoAction" internal="true"/>
+
       <add-to-group group-id="ToolsMenu" anchor="last"/>
     </group>