feat: show/allow setting decoded base64 values in Secrets, ConfigMaps (redhat-developer#663)

Signed-off-by: Andre Dietisheim <[email protected]>

Author: adietish

.github/workflows/IJ.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        IJ: [IC-2021.1, IC-2021.2, IC-2021.3, IC-2022.1, IC-2022.2, IC-2022.3, IC-2023.1, IC-2023.2, IC-2023.3]
+        IJ: [IC-2022.1, IC-2022.2, IC-2022.3, IC-2023.1, IC-2023.2, IC-2023.3]
 
     steps:
     - uses: actions/checkout@v2

src/main/kotlin/com/redhat/devtools/intellij/kubernetes/SwingUtils.kt

@@ -0,0 +1,30 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Red Hat, Inc.
+ * Distributed under license by Red Hat, Inc. All rights reserved.
+ * This program is made available under the terms of the
+ * Eclipse Public License v2.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v20.html
+ *
+ * Contributors:
+ * Red Hat, Inc. - initial API and implementation
+ ******************************************************************************/
+package com.redhat.devtools.intellij.kubernetes
+
+import com.intellij.ui.components.JBLabel
+import com.intellij.util.ui.JBUI
+import com.intellij.util.ui.UIUtil
+import javax.swing.text.JTextComponent
+
+fun createExplanationLabel(text: String): JBLabel {
+	return JBLabel(text).apply {
+		componentStyle = UIUtil.ComponentStyle.SMALL
+		foreground = JBUI.CurrentTheme.Link.Foreground.DISABLED
+	}
+}
+
+fun insertNewLineAtCaret(textComponent: JTextComponent) {
+	val caretPosition = textComponent.caretPosition
+	val newText = StringBuilder(textComponent.text).insert(caretPosition, '\n').toString()
+	textComponent.text = newText
+	textComponent.caretPosition = caretPosition + 1
+}

src/main/kotlin/com/redhat/devtools/intellij/kubernetes/balloon/StringInputBalloon.kt

@@ -0,0 +1,276 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Red Hat, Inc.
+ * Distributed under license by Red Hat, Inc. All rights reserved.
+ * This program is made available under the terms of the
+ * Eclipse Public License v2.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v20.html
+ *
+ * Contributors:
+ * Red Hat, Inc. - initial API and implementation
+ ******************************************************************************/
+package com.redhat.devtools.intellij.kubernetes.balloon
+
+import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.ui.ComponentValidator
+import com.intellij.openapi.ui.ValidationInfo
+import com.intellij.openapi.ui.popup.Balloon
+import com.intellij.openapi.ui.popup.JBPopupFactory
+import com.intellij.openapi.ui.popup.JBPopupListener
+import com.intellij.openapi.ui.popup.LightweightWindowEvent
+import com.intellij.openapi.util.Disposer
+import com.intellij.openapi.util.ExpirableRunnable
+import com.intellij.openapi.util.text.StringUtil
+import com.intellij.openapi.wm.IdeFocusManager
+import com.intellij.ui.ScrollPaneFactory
+import com.intellij.ui.awt.RelativePoint
+import com.intellij.ui.components.JBLabel
+import com.intellij.ui.components.JBTextArea
+import com.intellij.ui.components.JBTextField
+import com.intellij.util.ui.JBUI
+import com.redhat.devtools.intellij.kubernetes.createExplanationLabel
+import com.redhat.devtools.intellij.kubernetes.insertNewLineAtCaret
+import java.awt.BorderLayout
+import java.awt.Dimension
+import java.awt.event.KeyAdapter
+import java.awt.event.KeyEvent
+import java.awt.event.KeyListener
+import java.awt.event.MouseAdapter
+import java.awt.event.MouseEvent
+import java.awt.event.MouseListener
+import java.util.function.Supplier
+import javax.swing.JButton
+import javax.swing.JPanel
+import javax.swing.text.JTextComponent
+import kotlin.math.max
+
+class StringInputBalloon(
+	private val value: String,
+	private val setValue: (String) -> Unit,
+	private val editor: Editor
+) {
+
+	companion object {
+		private const val MAX_WIDTH = 220.0
+		private const val MAX_CHARACTERS = 64
+	}
+
+	private var isValid = false
+
+	fun show(event: MouseEvent) {
+		val (field, balloon) = create()
+		balloon.show(RelativePoint(event), Balloon.Position.above)
+		val focusManager = IdeFocusManager.getInstance(editor.project)
+		focusManager.doWhenFocusSettlesDown(onFocused(focusManager, field))
+	}
+
+	private fun create(): Pair<JTextComponent, Balloon> {
+		val panel = JPanel(BorderLayout())
+		val balloon = createBalloon(panel)
+		val textView = if (isMultiline()) {
+			TextAreaPanel(value, balloon)
+		} else {
+			TextFieldPanel(value, balloon)
+		}
+		textView.addTo(panel)
+		val disposable = Disposer.newDisposable()
+		Disposer.register(balloon, disposable)
+		ComponentValidator(disposable)
+			.withValidator(ValueValidator(textView.textComponent))
+			.installOn(textView.textComponent)
+			.andRegisterOnDocumentListener(textView.textComponent)
+			.revalidate()
+		balloon.addListener(onClosed(textView))
+		return Pair(textView.textComponent, balloon)
+	}
+
+	private fun createBalloon(panel: JPanel): Balloon {
+		return JBPopupFactory.getInstance()
+			.createBalloonBuilder(panel)
+			.setCloseButtonEnabled(true)
+			.setBlockClicksThroughBalloon(true)
+			.setAnimationCycle(0)
+			.setHideOnKeyOutside(true)
+			.setHideOnClickOutside(true)
+			.setFillColor(panel.background)
+			.setHideOnAction(false) // allow user to Ctrl+A & Ctrl+C
+			.createBalloon()
+	}
+
+	private fun onClosed(view: CentralPanelView): JBPopupListener {
+		return object : JBPopupListener {
+			override fun beforeShown(event: LightweightWindowEvent) {
+				// do nothing
+			}
+
+			override fun onClosed(event: LightweightWindowEvent) {
+				view.dispose()
+			}
+		}
+	}
+
+	private fun onFocused(focusManager: IdeFocusManager, field: JTextComponent): ExpirableRunnable {
+		return object : ExpirableRunnable {
+
+			override fun run() {
+				focusManager.requestFocus(field, true)
+				field.selectAll()
+			}
+
+			override fun isExpired(): Boolean {
+				return false
+			}
+		}
+	}
+
+	private fun isMultiline(): Boolean {
+		return value.contains('\n')
+	}
+
+	private fun setValue(balloon: Balloon, textComponent: JTextComponent) {
+		if (isValid) {
+			balloon.hide()
+			setValue.invoke(textComponent.text)
+		}
+	}
+
+	private inner class ValueValidator(private val textComponent: JTextComponent) : Supplier<ValidationInfo?> {
+
+		override fun get(): ValidationInfo? {
+			if (!textComponent.isEnabled
+				|| !textComponent.isVisible
+			) {
+				return null
+			}
+			return validate(textComponent.text)
+		}
+
+		private fun validate(newValue: String): ValidationInfo? {
+			val validation = when {
+				StringUtil.isEmptyOrSpaces(newValue) ->
+					ValidationInfo("Provide a value", textComponent).asWarning()
+
+				value == newValue ->
+					ValidationInfo("Provide new value", textComponent).asWarning()
+
+				else ->
+					null
+			}
+			this@StringInputBalloon.isValid = (validation == null)
+			return validation
+		}
+	}
+
+	interface CentralPanelView {
+
+		var textComponent: JTextComponent
+
+		fun addTo(panel: JPanel)
+		fun dispose()
+	}
+
+	inner class TextFieldPanel(private val value: String, private val balloon: Balloon) : CentralPanelView {
+
+		override lateinit var textComponent: JTextComponent
+		private lateinit var keyListener: KeyListener
+
+		override fun addTo(panel: JPanel) {
+			val label = JBLabel("Value:")
+			label.border = JBUI.Borders.empty(0, 3, 0, 1)
+			panel.add(label, BorderLayout.WEST)
+			val textField = JBTextField(value)
+			textField.preferredSize = Dimension(
+				max(MAX_WIDTH, textField.preferredSize.width.toDouble()).toInt(),
+				textField.preferredSize.height
+			)
+			panel.add(textField, BorderLayout.CENTER)
+			keyListener = onKeyPressed(textField, balloon)
+			textField.addKeyListener(keyListener)
+			this.textComponent = textField
+		}
+
+		override fun dispose() {
+			textComponent.removeKeyListener(keyListener)
+		}
+
+		private fun onKeyPressed(textComponent: JTextComponent, balloon: Balloon): KeyListener {
+			return object : KeyAdapter() {
+				override fun keyPressed(e: KeyEvent) {
+					when (e.keyCode) {
+						KeyEvent.VK_ESCAPE ->
+							balloon.hide()
+
+						KeyEvent.VK_ENTER ->
+							setValue(balloon, textComponent)
+					}
+				}
+			}
+		}
+	}
+
+	inner class TextAreaPanel(private val value: String, private val balloon: Balloon) : CentralPanelView {
+
+		override lateinit var textComponent: JTextComponent
+		private lateinit var keyListener: KeyListener
+
+		override fun addTo(panel: JPanel) {
+			val label = JBLabel("Value:")
+			label.border = JBUI.Borders.empty(0, 3, 4, 0)
+			panel.add(label, BorderLayout.NORTH)
+			val textArea = JBTextArea(
+				value,
+				value.length.floorDiv(MAX_CHARACTERS) + 1 + numOfNewLines(value), // textarea has text lines + 1
+				MAX_CHARACTERS - 1
+			)
+			val scrolled = ScrollPaneFactory.createScrollPane(textArea, true)
+			panel.add(scrolled, BorderLayout.CENTER)
+			this.keyListener = onKeyPressed(textArea, balloon)
+			textArea.addKeyListener(keyListener)
+			this.textComponent = textArea
+
+			val buttonPanel = JPanel(BorderLayout())
+			buttonPanel.border = JBUI.Borders.empty(2, 0, 0, 0)
+			panel.add(buttonPanel, BorderLayout.SOUTH)
+			buttonPanel.add(
+				createExplanationLabel("Shift & Return to insert a new line, Return to apply"),
+				BorderLayout.CENTER)
+			val button = JButton("Apply")
+			button.addMouseListener(onApply(textArea, balloon))
+			buttonPanel.add(button, BorderLayout.EAST)
+		}
+
+		private fun onApply(textComponent: JTextComponent, balloon: Balloon): MouseListener {
+			return object: MouseAdapter() {
+				override fun mouseClicked(e: MouseEvent?) {
+					setValue(balloon, textComponent)
+				}
+			}
+		}
+
+		override fun dispose() {
+			textComponent.removeKeyListener(keyListener)
+		}
+
+		private fun onKeyPressed(textComponent: JTextComponent, balloon: Balloon): KeyListener {
+			return object : KeyAdapter() {
+				override fun keyReleased(e: KeyEvent) {
+					when {
+						KeyEvent.VK_ESCAPE == e.keyCode ->
+							balloon.hide()
+
+						KeyEvent.VK_ENTER == e.keyCode
+								&& (e.isShiftDown || e.isControlDown) ->
+							insertNewLineAtCaret(textComponent)
+
+						KeyEvent.VK_ENTER == e.keyCode
+								&& (!e.isShiftDown && !e.isControlDown) ->
+							setValue(balloon, textComponent)
+					}
+				}
+			}
+		}
+
+		private fun numOfNewLines(string: String): Int {
+			return string.count { char -> char == '\n' }
+		}
+	}
+}