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annotate src/name/blackcap/imageprep/MaxDimSpinner.kt @ 27:404eb7e57fe6

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Standardize things for Linux packaging.
author David Barts <n5jrn@me.com>
date Fri, 25 Dec 2020 18:58:45 -0800
parents d3979a2155a8
children
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1 /*
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2 * A standard combo box for inputting the maximum dimension of an image.
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3 * Note that this IS NOT a spinner; this class is so named for historical
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4 * reasons.
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5 */
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6 package name.blackcap.imageprep
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7
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8 import java.awt.Toolkit
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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.util.logging.Level
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12 import java.util.logging.Logger
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13 import javax.swing.*
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14
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15 /* maximum allowable maximum dimension */
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16 private val MAXDIM = 16384
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17
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18 /* preferred standard dimensions */
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19 private val STDDIMS = arrayOf<Int>(1600, 1280, 1024, 800, 640, 512, 400, 320).apply {
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20 sort()
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21 }
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23 class MaxDimSpinner(val default: Int): JComboBox<Int>(STDDIMS)
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24 {
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25 private var _value: Int = 0
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26 var value: Int
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27 get() = _value
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28 set(v) {
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29 if (outOfRange(v))
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30 throw IllegalArgumentException("bad max dimension: $v")
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31 _value = v
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32 val pos = STDDIMS.binarySearch(v)
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33 if (pos >= 0)
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34 selectedIndex = pos
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35 else
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36 selectedItem = v
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37 }
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38
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39 private fun outOfRange(v: Int): Boolean = v < 1 || v > MAXDIM
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41 init {
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42 value = default
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43 maximumSize = preferredSize
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44 setEditable(true)
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45 prototypeDisplayValue = MAXDIM
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46 addActionListener(ActionListener {
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47 val v = selectedItem as? Int ?: (selectedItem as? String)?.toIntOrNull()
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48 if (v == null || outOfRange(v)) {
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49 LOGGER.log(Level.INFO, "bad max dimension: $selectedItem")
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50 Toolkit.getDefaultToolkit().beep()
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51 value = default
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52 } else {
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53 _value = v
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54 }
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55 })
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56 }
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57 }