feat: confirm tab close (#605)

src/main/kotlin/app/termora/Database.kt

@@ -648,6 +648,11 @@ class Database private constructor(private val env: Environment) : Disposable {
          */
         var backgroundRunning by BooleanPropertyDelegate(false)
 
+        /**
+         * 标签关闭前确认
+         */
+        var confirmTabClose by BooleanPropertyDelegate(false)
+
         /**
          * 背景图片的地址
          */

src/main/kotlin/app/termora/SSHTerminalTab.kt

@@ -223,10 +223,9 @@ class SSHTerminalTab(windowScope: WindowScope, host: Host) :
         }
     }
 
-    override fun willBeClose(): Boolean {
+    override fun beforeClose() {
         // 保存窗口状态
         terminalPanel.storeVisualWindows(host.id)
-        return super.willBeClose()
     }
 
     private inner class MySessionListener : SessionListener, Disposable {

src/main/kotlin/app/termora/SettingsOptionsPane.kt

@@ -132,6 +132,7 @@ class SettingsOptionsPane : OptionsPane() {
         val themeComboBox = FlatComboBox<String>()
         val languageComboBox = FlatComboBox<String>()
         val backgroundComBoBox = YesOrNoComboBox()
+        val confirmTabCloseComBoBox = YesOrNoComboBox()
         val followSystemCheckBox = JCheckBox(I18n.getString("termora.settings.appearance.follow-system"))
         val preferredThemeBtn = JButton(Icons.settings)
         val opacitySpinner = NumberSpinner(100, 0, 100)
@@ -180,6 +181,7 @@ class SettingsOptionsPane : OptionsPane() {
             followSystemCheckBox.isSelected = appearance.followSystem
             preferredThemeBtn.isEnabled = followSystemCheckBox.isSelected
             backgroundComBoBox.selectedItem = appearance.backgroundRunning
+            confirmTabCloseComBoBox.selectedItem = appearance.confirmTabClose
 
             themeComboBox.isEnabled = !followSystemCheckBox.isSelected
             themeManager.themes.keys.forEach { themeComboBox.addItem(it) }
@@ -230,6 +232,13 @@ class SettingsOptionsPane : OptionsPane() {
                 }
             }
 
+
+            confirmTabCloseComBoBox.addItemListener {
+                if (it.stateChange == ItemEvent.SELECTED) {
+                    appearance.confirmTabClose = confirmTabCloseComBoBox.selectedItem as Boolean
+                }
+            }
+
             followSystemCheckBox.addActionListener {
                 appearance.followSystem = followSystemCheckBox.isSelected
                 themeComboBox.isEnabled = !followSystemCheckBox.isSelected
@@ -368,7 +377,7 @@ class SettingsOptionsPane : OptionsPane() {
         private fun getFormPanel(): JPanel {
             val layout = FormLayout(
                 "left:pref, $formMargin, default:grow, $formMargin, default, default:grow",
-                "pref, $formMargin, pref, $formMargin, pref, $formMargin, pref, $formMargin, pref"
+                "pref, $formMargin, pref, $formMargin, pref, $formMargin, pref, $formMargin, pref, $formMargin, pref"
             )
             val box = FlatToolBar()
             box.add(followSystemCheckBox)
@@ -401,7 +410,13 @@ class SettingsOptionsPane : OptionsPane() {
                 .add(opacitySpinner).xy(3, rows).apply { rows += step }
 
             builder.add("${I18n.getString("termora.settings.appearance.background-running")}:").xy(1, rows)
-                .add(backgroundComBoBox).xy(3, rows)
+                .add(backgroundComBoBox).xy(3, rows).apply { rows += step }
+
+            val confirmTabCloseBox = Box.createHorizontalBox()
+            confirmTabCloseBox.add(JLabel("${I18n.getString("termora.settings.appearance.confirm-tab-close")}:"))
+            confirmTabCloseBox.add(Box.createHorizontalStrut(8))
+            confirmTabCloseBox.add(confirmTabCloseComBoBox)
+            builder.add(confirmTabCloseBox).xyw(1, rows,3).apply { rows += step }
 
             return builder.build()
         }

src/main/kotlin/app/termora/TerminalTab.kt

@@ -1,5 +1,6 @@
 package app.termora
 
+import app.termora.Database.Appearance
 import app.termora.actions.DataProvider
 import java.beans.PropertyChangeListener
 import javax.swing.Icon
@@ -44,10 +45,15 @@ interface TerminalTab : Disposable, DataProvider {
     fun canClose(): Boolean = true
 
     /**
-     * 返回 true 表示可以关闭
+     * 返回 true 表示可以关闭，只有当 [Appearance.confirmTabClose] 为 false 时才会调用
      */
     fun willBeClose(): Boolean = true
 
+    /**
+     * 即将关闭，已经无法挽回
+     */
+    fun beforeClose() {}
+
     /**
      * 是否可以克隆
      */

src/main/kotlin/app/termora/TerminalTabbed.kt

@@ -32,6 +32,7 @@ class TerminalTabbed(
     private val actionManager = ActionManager.getInstance()
     private val dataProviderSupport = DataProviderSupport()
     private val titleProperty = UUID.randomUUID().toSimpleString()
+    private val appearance get() = Database.getDatabase().appearance
     private val iconListener = PropertyChangeListener { e ->
         val source = e.source
         if (e.propertyName == "icon" && source is TerminalTab) {
@@ -153,8 +154,29 @@ class TerminalTabbed(
         if (tabbedPane.isTabClosable(index)) {
             val tab = tabs[index]
 
+            // 询问是否可以关闭
             if (disposable) {
-                if (!tab.willBeClose()) {
+                // 如果开启了关闭确认，那么直接询问用户
+                if (appearance.confirmTabClose) {
+                    if (OptionPane.showConfirmDialog(
+                            windowScope.window,
+                            I18n.getString("termora.tabbed.tab.close-prompt"),
+                            messageType = JOptionPane.QUESTION_MESSAGE,
+                            optionType = JOptionPane.OK_CANCEL_OPTION
+                        ) != JOptionPane.OK_OPTION
+                    ) {
+                        return
+                    }
+                } else if (!tab.willBeClose()) { // 如果没有开启则询问用户
+                    return
+                }
+            }
+
+            // 通知即将关闭
+            if (disposable) {
+                try {
+                    tab.beforeClose()
+                } catch (_: Exception) {
                     return
                 }
             }