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1 /*
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2 * The dialog that displays the Exif data in a single file (display only,
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3 * no changing). We do this after washing.
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4 */
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5 package name.blackcap.imageprep
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6
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7 import java.awt.Dimension
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8 import java.awt.Font
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9 import java.awt.event.ActionEvent
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10 import java.awt.event.ActionListener
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11 import java.io.BufferedReader
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12 import java.io.File
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13 import java.io.IOException
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14 import java.io.InputStream
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15 import java.io.InputStreamReader
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16 import java.util.logging.Level
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17 import java.util.logging.Logger
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18 import javax.swing.*
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19 import javax.swing.text.html.HTMLEditorKit
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20 import javax.swing.text.html.StyleSheet
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21 import kotlin.text.buildString
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22
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23 class HelpDialog : JDialog(Application.mainFrame) {
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24 private val BW = 9
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25 private val BW2 = BW * 2
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26 private val WIDTH = 640
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27 private val HEIGHT = 480
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28
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29 private val dismissButton = JButton("Dismiss").also {
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30 it.addActionListener(ActionListener { setVisible(false) })
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31 }
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32
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33 /*
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34 * The stock HTMLEditorKit shares all style sheet data between all its
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35 * instances. How unbelievably braindamaged. Correct that.
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36 */
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37 private class MyEditorKit: HTMLEditorKit() {
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38 private var _styleSheet: StyleSheet = defaultStyleSheet
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39 override fun getStyleSheet() = _styleSheet
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40 override fun setStyleSheet(value: StyleSheet) {
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41 _styleSheet = value
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42 }
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43
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44 /**
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45 * Return the default style sheet that all HTMLEditorKit's come with.
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46 */
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47 val defaultStyleSheet: StyleSheet
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48 get() {
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49 return super.getStyleSheet()
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50 }
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51 }
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52
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53 private val helpPane = JScrollPane(JTextPane().also {
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54 it.editorKit = MyEditorKit().also { ek ->
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55 UIManager.getFont("Panel.font")?.let { pFont ->
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56 ek.styleSheet = StyleSheet().apply {
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57 addRule("body { font-family: \"${pFont.family}\"; font-size: ${pFont.size}; }")
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58 addStyleSheet(ek.defaultStyleSheet)
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59 }
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60 }
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61 }
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62 val rawText = this::class.java.getResourceAsStream("help.html").bufferedReader().use { it.readText() }
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63 it.text = rawText.replace("%CONFIG_FILE_NAME%", buildString {
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64 for (ch in PROP_FILE.canonicalPath) {
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65 append(when(ch) {
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66 "<" -> "<"
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67 ">" -> ">"
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68 "&" -> "&"
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69 else -> ch
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70 })
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71 }
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72 })
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73 it.setEditable(false)
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74 }).apply {
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75 alignmentX = JScrollPane.CENTER_ALIGNMENT
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76 addBorder(BorderFactory.createEmptyBorder(BW2, BW2, BW, BW2))
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77 verticalScrollBarPolicy = ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS
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78 horizontalScrollBarPolicy = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER
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79 preferredSize = Dimension(WIDTH, HEIGHT)
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80 background = Application.mainFrame.background
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81 }
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82
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83 override fun setVisible(vis: Boolean) {
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84 if (vis)
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85 helpPane.verticalScrollBar.run { value = minimum }
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86 super.setVisible(vis)
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87 }
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88
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89 init {
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90 setVisible(false)
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91 title = "Help"
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92 contentPane.apply {
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93 layout = BoxLayout(this, BoxLayout.Y_AXIS)
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94 add(helpPane)
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95 add(Box(BoxLayout.X_AXIS).apply {
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96 alignmentX = Box.CENTER_ALIGNMENT
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97 border = BorderFactory.createEmptyBorder(BW, BW2, BW2, BW2)
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98 add(Box.createHorizontalGlue())
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99 add(dismissButton)
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100 })
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101 }
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102 pack()
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103 }
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104 }
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