Show plugin installation status in Kotlin Updates settings (KT-23980)

#KT-23980 Fixed

idea/src/org/jetbrains/kotlin/idea/KotlinPluginUpdater.kt

@@ -221,18 +221,21 @@ class KotlinPluginUpdater(val propertiesComponent: PropertiesComponent) : Dispos
         notification.notify(null)
     }
 
-    fun installPluginUpdate(update: PluginUpdateStatus.Update,
-                            cancelCallback: () -> Unit = {}) {
+    fun installPluginUpdate(
+        update: PluginUpdateStatus.Update,
+        successCallback: () -> Unit = {}, cancelCallback: () -> Unit = {}, errorCallback: () -> Unit = {}
+    ) {
         val descriptor = update.pluginDescriptor
         val pluginDownloader = PluginDownloader.createDownloader(descriptor, update.hostToInstallFrom, null)
-        ProgressManager.getInstance().run(object : Task.Backgroundable(null, "Downloading plugins", true) {
+        ProgressManager.getInstance().run(object : Task.Backgroundable(
+            null, "Downloading plugins", true, PluginManagerUISettings.getInstance()
+        ) {
             override fun run(indicator: ProgressIndicator) {
                 var installed = false
                 var message: String? = null
                 val prepareResult = try {
                     pluginDownloader.prepareToInstall(indicator)
-                }
-                catch (e: IOException) {
+                } catch (e: IOException) {
                     LOG.info(e)
                     message = e.message
                     false
@@ -250,8 +253,13 @@ class KotlinPluginUpdater(val propertiesComponent: PropertiesComponent) : Dispos
                     }
                 }
 
-                if (!installed) {
-                    notifyNotInstalled(message)
+                ApplicationManager.getApplication().invokeLater {
+                    if (!installed) {
+                        errorCallback()
+                        notifyNotInstalled(message)
+                    } else {
+                        successCallback()
+                    }
                 }
             }
 
@@ -263,20 +271,18 @@ class KotlinPluginUpdater(val propertiesComponent: PropertiesComponent) : Dispos
 
     private fun notifyNotInstalled(message: String?) {
         val fullMessage = message?.let { ": $it" } ?: ""
-        ApplicationManager.getApplication().invokeLater {
-            val notification = notificationGroup.createNotification(
-                    "Kotlin",
-                    "Plugin update was not installed$fullMessage. <a href=\"#\">See the log for more information</a>",
-                    NotificationType.INFORMATION) { notification, event ->
+        val notification = notificationGroup.createNotification(
+            "Kotlin",
+            "Plugin update was not installed$fullMessage. <a href=\"#\">See the log for more information</a>",
+            NotificationType.INFORMATION
+        ) { notification, _ ->
+            val logFile = File(PathManager.getLogPath(), "idea.log")
+            ShowFilePathAction.openFile(logFile)
 
-                val logFile = File(PathManager.getLogPath(), "idea.log")
-                ShowFilePathAction.openFile(logFile)
-
-                notification.expire()
-            }
-
-            notification.notify(null)
+            notification.expire()
         }
+
+        notification.notify(null)
     }
 
     override fun dispose() {

idea/src/org/jetbrains/kotlin/idea/configuration/KotlinLanguageConfiguration.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.idea.configuration
 
+import com.intellij.ide.IdeBundle
 import com.intellij.openapi.options.Configurable
 import com.intellij.openapi.options.SearchableConfigurable
 import com.intellij.openapi.updateSettings.impl.UpdateSettings
@@ -43,6 +44,11 @@ class KotlinUpdatesSettingsConfigurable : SearchableConfigurable, Configurable.N
     private val form = ConfigurePluginUpdatesForm()
     private var update: PluginUpdateStatus.Update? = null
 
+    private var versionForInstallation: String? = null
+
+    private var installedVersion: String? = null
+    private var installingStatus: String? = null
+
     override fun getId(): String = ID
 
     override fun getDisplayName(): String = "Kotlin Updates"
@@ -53,6 +59,11 @@ class KotlinUpdatesSettingsConfigurable : SearchableConfigurable, Configurable.N
         // Selected channel is now saved automatically
     }
 
+    private fun setInstalledVersion(installedVersion: String?, installingStatus: String?) {
+        this.installedVersion = installedVersion
+        this.installingStatus = installingStatus
+    }
+
     override fun createComponent(): JComponent? {
         form.updateCheckProgressIcon.suspend()
         form.updateCheckProgressIcon.setPaintPassiveIcon(false)
@@ -64,7 +75,36 @@ class KotlinUpdatesSettingsConfigurable : SearchableConfigurable, Configurable.N
         form.installButton.isVisible = false
         form.installButton.addActionListener {
             update?.let {
-                KotlinPluginUpdater.getInstance().installPluginUpdate(it)
+                form.hideInstallButton()
+
+                setInstalledVersion(it.pluginDescriptor.version, "Installing...")
+
+                form.installStatusLabel.text = installingStatus
+
+                KotlinPluginUpdater.getInstance().installPluginUpdate(
+                    it,
+                    successCallback = {
+                        setInstalledVersion(it.pluginDescriptor.version, IdeBundle.message("plugin.manager.installed.tooltip"))
+                        if (versionForInstallation == it.pluginDescriptor.version) {
+                            form.installStatusLabel.text = installingStatus
+                        }
+                    },
+                    cancelCallback = {
+                        if (versionForInstallation == it.pluginDescriptor.version) {
+                            form.installStatusLabel.text = ""
+                            form.showInstallButton()
+
+                            setInstalledVersion(null, null)
+                        }
+                    },
+                    errorCallback = {
+                        if (versionForInstallation == it.pluginDescriptor.version) {
+                            form.installStatusLabel.text = "Installation failed"
+                            form.showInstallButton()
+                            setInstalledVersion(null, null)
+                        }
+                    }
+                )
             }
         }
 
@@ -99,7 +139,13 @@ class KotlinUpdatesSettingsConfigurable : SearchableConfigurable, Configurable.N
 
                 is PluginUpdateStatus.Update -> {
                     update = pluginUpdateStatus
+                    versionForInstallation = update?.pluginDescriptor?.version
                     form.setUpdateStatus("A new version ${pluginUpdateStatus.pluginDescriptor.version} is available", true)
+                    if (installedVersion != null && installedVersion == versionForInstallation) {
+                        // Installation of the plugin has been started or finished
+                        form.hideInstallButton()
+                        form.installStatusLabel.text = installingStatus
+                    }
                 }
 
                 is PluginUpdateStatus.CheckFailed ->

idea/src/org/jetbrains/kotlin/idea/configuration/ui/ConfigurePluginUpdatesForm.form

@@ -22,7 +22,7 @@
           <grid row="3" column="0" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
         </constraints>
       </vspacer>
-      <grid id="2505b" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+      <grid id="2505b" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="0" vgap="-1">
         <margin top="0" left="0" bottom="0" right="0"/>
         <constraints>
           <grid row="1" column="0" row-span="1" col-span="2" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
@@ -40,7 +40,7 @@
           </component>
         </children>
       </grid>
-      <grid id="b171" layout-manager="FlowLayout" hgap="5" vgap="5" flow-align="0">
+      <grid id="b171" layout-manager="FlowLayout" hgap="-1" vgap="5" flow-align="0">
         <constraints>
           <grid row="2" column="0" row-span="1" col-span="2" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
         </constraints>
@@ -51,11 +51,24 @@
             <constraints/>
             <properties>
               <actionCommand value="Install"/>
-              <label value="Install..."/>
-              <text value="&amp;Install..."/>
+              <label value="Install"/>
+              <text value="&amp;Install"/>
               <visible value="true"/>
             </properties>
           </component>
+          <grid id="5d5c6" layout-manager="FlowLayout" hgap="5" vgap="5" flow-align="1">
+            <constraints/>
+            <properties/>
+            <border type="none"/>
+            <children>
+              <component id="6d2f7" class="javax.swing.JLabel" binding="installStatusLabel">
+                <constraints/>
+                <properties>
+                  <text value=" "/>
+                </properties>
+              </component>
+            </children>
+          </grid>
         </children>
       </grid>
       <grid id="209b0" layout-manager="FlowLayout" hgap="5" vgap="0" flow-align="0">

idea/src/org/jetbrains/kotlin/idea/configuration/ui/ConfigurePluginUpdatesForm.java

@@ -16,6 +16,7 @@ public class ConfigurePluginUpdatesForm {
     public AsyncProcessIcon updateCheckProgressIcon;
     public JLabel updateStatusLabel;
     public JButton installButton;
+    public JLabel installStatusLabel;
 
     public ConfigurePluginUpdatesForm() {
         int size = channelCombo.getModel().getSize();
@@ -36,10 +37,26 @@ public class ConfigurePluginUpdatesForm {
     public void resetUpdateStatus() {
         updateStatusLabel.setText(" ");
         installButton.setVisible(false);
+        installStatusLabel.setVisible(false);
     }
 
     public void setUpdateStatus(String message, boolean showInstallButton) {
+        installButton.setEnabled(true);
         installButton.setVisible(showInstallButton);
+
         updateStatusLabel.setText(message);
+
+        installStatusLabel.setVisible(true);
+        installStatusLabel.setText("");
+    }
+
+    public void showInstallButton() {
+        installButton.setEnabled(true);
+        installButton.setVisible(true);
+    }
+
+    public void hideInstallButton() {
+        installButton.setEnabled(false);
+        installButton.setVisible(false);
     }
 }