Change help dialog content to move to url

src/com/blogspot/kotlinstudy/lognote/HelpGotoDialog.kt

@@ -0,0 +1,73 @@
+package com.blogspot.kotlinstudy.lognote
+
+import java.awt.BorderLayout
+import java.awt.Desktop
+import java.awt.Dimension
+import java.awt.event.ActionEvent
+import java.awt.event.ActionListener
+import java.awt.event.MouseEvent
+import java.awt.event.MouseListener
+import java.net.URI
+import javax.swing.*
+
+
+class HelpGotoDialog(parent: JFrame) :JDialog(parent, Strings.HELP, true), ActionListener, MouseListener {
+    private var mHelpBtn: ColorButton
+    private var mCloseBtn : ColorButton
+    private val HELP_ADDRESS = "https://github.com/cdcsgit/lognote#readme"
+
+    init {
+        mCloseBtn = ColorButton(Strings.CLOSE)
+        mCloseBtn.addActionListener(this)
+
+        mHelpBtn = ColorButton(HELP_ADDRESS)
+        mHelpBtn.addMouseListener(this)
+
+        val panel = JPanel()
+        panel.layout = BorderLayout()
+
+        val helpPanel = JPanel()
+        helpPanel.preferredSize = Dimension(350, 40)
+        helpPanel.add(mHelpBtn)
+        panel.add(helpPanel, BorderLayout.CENTER)
+
+        val btnPanel = JPanel()
+        btnPanel.add(mCloseBtn)
+        panel.add(btnPanel, BorderLayout.SOUTH)
+
+        contentPane.add(panel)
+        pack()
+
+        Utils.installKeyStrokeEscClosing(this)
+    }
+
+    override fun actionPerformed(e: ActionEvent?) {
+        if (e?.source == mCloseBtn) {
+            dispose()
+        }
+    }
+
+    override fun mouseClicked(e: MouseEvent?) {
+        val desktop = if (Desktop.isDesktopSupported()) Desktop.getDesktop() else null
+        if ((desktop != null) && desktop.isSupported(Desktop.Action.BROWSE)) {
+            try {
+                desktop.browse(URI(HELP_ADDRESS))
+                return
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+        }
+    }
+
+    override fun mousePressed(e: MouseEvent?) {
+    }
+
+    override fun mouseReleased(e: MouseEvent?) {
+    }
+
+    override fun mouseEntered(e: MouseEvent?) {
+    }
+
+    override fun mouseExited(e: MouseEvent?) {
+    }
+}

src/com/blogspot/kotlinstudy/lognote/MainUI.kt

@@ -1850,7 +1850,7 @@ class MainUI(title: String) : JFrame() {
                     aboutDialog.isVisible = true
                 }
                 mItemHelp -> {
-                    val helpDialog = HelpDialog(this@MainUI)
+                    val helpDialog = HelpGotoDialog(this@MainUI)
                     helpDialog.setLocationRelativeTo(this@MainUI)
                     helpDialog.isVisible = true
                 }