[77] | 1 | package com.framsticks.gui.components; |
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| 2 | |
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| 3 | import com.framsticks.params.Flags; |
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| 4 | import com.framsticks.params.types.DecimalParam; |
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| 5 | import com.framsticks.params.types.FloatParam; |
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| 6 | import com.framsticks.params.types.ValueParam; |
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| 7 | import com.framsticks.util.Layout; |
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| 8 | import com.framsticks.util.Numbers; |
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| 9 | |
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| 10 | import javax.swing.*; |
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| 11 | import javax.swing.event.ChangeEvent; |
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| 12 | import javax.swing.event.ChangeListener; |
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| 13 | import java.awt.*; |
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| 14 | import java.awt.event.FocusEvent; |
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| 15 | import java.awt.event.FocusListener; |
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| 16 | import java.awt.event.KeyEvent; |
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| 17 | import java.awt.event.KeyListener; |
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| 18 | import java.util.Hashtable; |
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| 19 | |
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| 20 | |
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| 21 | @SuppressWarnings("serial") |
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| 22 | public class SliderControl extends ValueControl { |
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| 23 | |
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| 24 | private JSlider slider; |
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| 25 | |
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| 26 | private JTextField sliderValue; |
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| 27 | |
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| 28 | /** |
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| 29 | * Division factor used to implement float value slider. |
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| 30 | */ |
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| 31 | private final int div = 10; |
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| 32 | |
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| 33 | /** |
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| 34 | * Old value of slider used when user press ESCAPE key. |
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| 35 | */ |
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| 36 | private int oldValue; |
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| 37 | |
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| 38 | public SliderControl(ValueParam valueParam) { |
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| 39 | super(valueParam); |
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| 40 | slider = new JSlider(); |
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| 41 | slider.setEnabled(!isReadOnly()); |
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| 42 | slider.addChangeListener(new ChangeListener() { |
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| 43 | @Override |
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| 44 | public void stateChanged(ChangeEvent changeEvent) { |
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| 45 | notifyOfChange(); |
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| 46 | } |
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| 47 | }); |
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| 48 | if (param instanceof DecimalParam) { |
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| 49 | int min = param.getMin(Integer.class); |
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| 50 | int max = param.getMax(Integer.class); |
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| 51 | slider.setMinimum(min); |
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| 52 | slider.setMaximum(max); |
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| 53 | if (param.getDef(Integer.class) != null) { |
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| 54 | slider.setValue(param.getDef(Integer.class)); |
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| 55 | } else { |
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| 56 | slider.setValue(min); |
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| 57 | } |
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| 58 | slider.setMajorTickSpacing((int) ((max - min) / 5)); |
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| 59 | slider.setMinorTickSpacing((int) ((max - min) / 10)); |
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| 60 | slider.setPaintLabels(true); |
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| 61 | slider.setPaintTicks(true); |
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| 62 | } |
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| 63 | if (param instanceof FloatParam) { |
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| 64 | double min = param.getMin(Double.class) * div; |
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| 65 | slider.setMinimum((int) min); |
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| 66 | double max = param.getMax(Double.class) * div; |
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| 67 | slider.setMaximum((int) max); |
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| 68 | |
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| 69 | Hashtable<Integer, java.awt.Component> labels = new Hashtable<Integer, java.awt.Component>(); |
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| 70 | for (int i = 0; i < 6; i++) { |
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| 71 | double val = 0; |
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| 72 | if (min < 0) { |
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| 73 | val = (((Math.abs(max) - min) / 5) * i) + min; |
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| 74 | } else { |
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| 75 | val = (((Math.abs(max) - Math.abs(min)) / 5) * i) + Math.abs(min); |
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| 76 | } |
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| 77 | String label = String.format("%1$.1f", (val / 10)).replace(",", "."); |
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| 78 | labels.put(new Integer((int) val), new JLabel(label, JLabel.CENTER)); |
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| 79 | } |
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| 80 | slider.setLabelTable(labels); |
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| 81 | slider.setPaintLabels(true); |
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| 82 | slider.setMajorTickSpacing((int) ((max - Math.abs(min)) / 5)); |
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| 83 | slider.setMinorTickSpacing((int) ((max - Math.abs(min)) / 10)); |
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| 84 | slider.setPaintTicks(true); |
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| 85 | if (param.getDef(Double.class) != null) { |
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| 86 | double defaultValue = param.getDef(Double.class) * div; |
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| 87 | slider.setValue((int) defaultValue); |
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| 88 | } |
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| 89 | } |
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| 90 | //TODO: actually set the value |
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| 91 | /* |
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| 92 | if (property.getValue() != null) { |
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| 93 | setValueImpl(property.getValue()); |
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| 94 | } |
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| 95 | */ |
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| 96 | |
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| 97 | |
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| 98 | |
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| 99 | createPanel(); |
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| 100 | } |
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| 101 | |
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| 102 | /** |
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| 103 | * Creates panel with description in label, slider value and slider next to description. |
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| 104 | */ |
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| 105 | private void createPanel() { |
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| 106 | this.setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS)); |
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| 107 | this.setAlignmentX(Box.CENTER_ALIGNMENT); |
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| 108 | this.setAlignmentY(Box.CENTER_ALIGNMENT); |
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| 109 | |
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| 110 | JPanel sliderPanel = new JPanel(); |
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| 111 | sliderPanel.setLayout(new BoxLayout(sliderPanel, BoxLayout.LINE_AXIS)); |
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| 112 | |
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| 113 | createSliderValue(); |
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| 114 | |
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| 115 | JPanel sVPanel = new JPanel(); |
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| 116 | sVPanel.setLayout(new BoxLayout(sVPanel, BoxLayout.LINE_AXIS)); |
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| 117 | sVPanel.add(sliderValue); |
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| 118 | Layout.copyComponentDimensions(sVPanel, sliderValue); |
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| 119 | |
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| 120 | JPanel sPanel = new JPanel(); |
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| 121 | sPanel.setLayout(new BoxLayout(sPanel, BoxLayout.LINE_AXIS)); |
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| 122 | |
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| 123 | sliderPanel.setLayout(new BorderLayout()); |
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| 124 | sliderPanel.add(slider, BorderLayout.CENTER); |
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| 125 | sliderPanel.setMaximumSize(new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE)); |
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| 126 | sliderPanel.setMinimumSize(new Dimension(0, 60)); |
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| 127 | |
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| 128 | sPanel.add(sVPanel); |
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| 129 | sPanel.add(sliderPanel); |
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| 130 | |
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| 131 | this.add(sPanel); |
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| 132 | } |
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| 133 | |
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| 134 | /** |
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| 135 | * Creates slider value text field |
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| 136 | */ |
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| 137 | private void createSliderValue() { |
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| 138 | if (param instanceof DecimalParam) { |
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| 139 | sliderValue = new JTextField(Integer.toString(slider.getValue())); |
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| 140 | sliderValue.setText(Integer.toString(slider.getValue())); |
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| 141 | } else { |
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| 142 | sliderValue = new JTextField(Double.toString(slider.getValue() / div)); |
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| 143 | sliderValue.setText(Double.toString(slider.getValue() / div)); |
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| 144 | } |
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| 145 | Layout.fixComponentSize(sliderValue, new Dimension(60, Control.LINE_HEIGHT)); |
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| 146 | sliderValue.setHorizontalAlignment(JSlider.CENTER); |
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| 147 | |
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| 148 | if (param.hasFlag(Flags.READONLY)) { |
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| 149 | sliderValue.setEnabled(false); |
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| 150 | } |
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| 151 | |
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| 152 | if (param.getDef(Object.class) != null) { |
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| 153 | sliderValue.setText(param.getDef(Object.class).toString()); |
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| 154 | } |
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| 155 | |
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| 156 | slider.addChangeListener(new ChangeListener() { |
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| 157 | |
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| 158 | public void stateChanged(ChangeEvent e) { |
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| 159 | if (param instanceof DecimalParam) { |
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| 160 | sliderValue.setText(Integer.toString(slider.getValue())); |
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| 161 | } |
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| 162 | if (param instanceof FloatParam) { |
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| 163 | float val = (float) slider.getValue() / (float) div; |
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| 164 | sliderValue.setText(Double.toString(val)); |
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| 165 | } |
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| 166 | } |
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| 167 | }); |
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| 168 | |
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| 169 | sliderValue.addFocusListener(new FocusListener() { |
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| 170 | |
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| 171 | public void focusGained(FocusEvent e) { |
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| 172 | oldValue = slider.getValue(); |
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| 173 | } |
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| 174 | |
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| 175 | public void focusLost(FocusEvent e) { |
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| 176 | applyNewValue(); |
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| 177 | } |
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| 178 | |
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| 179 | }); |
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| 180 | |
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| 181 | sliderValue.addKeyListener(new KeyListener() { |
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| 182 | |
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| 183 | public void keyPressed(KeyEvent e) { |
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| 184 | } |
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| 185 | |
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| 186 | public void keyReleased(KeyEvent e) { |
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| 187 | if (e.getKeyCode() == KeyEvent.VK_ENTER) { |
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| 188 | applyNewValue(); |
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| 189 | } |
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| 190 | if (e.getKeyCode() == KeyEvent.VK_ESCAPE) { |
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| 191 | if (param instanceof DecimalParam) { |
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| 192 | sliderValue.setText(Integer.toString(oldValue)); |
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| 193 | } |
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| 194 | if (param instanceof FloatParam) { |
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| 195 | sliderValue.setText(Double.toString((float) oldValue / (float) div)); |
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| 196 | } |
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| 197 | sliderValue.setBackground(Color.WHITE); |
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| 198 | sliderValue.invalidate(); |
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| 199 | } |
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| 200 | } |
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| 201 | |
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| 202 | public void keyTyped(KeyEvent e) { |
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| 203 | } |
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| 204 | |
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| 205 | }); |
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| 206 | } |
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| 207 | |
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| 208 | /** |
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| 209 | * Applies new Value of slider if typed value is correct |
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| 210 | */ |
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| 211 | private void applyNewValue() { |
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| 212 | try { |
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| 213 | if (param instanceof DecimalParam) { |
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| 214 | int min = param.getMin(Integer.class); |
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| 215 | int max = param.getMax(Integer.class); |
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| 216 | |
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| 217 | int val = Integer.parseInt(sliderValue.getText()); |
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| 218 | if (val < min) { |
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| 219 | val = min; |
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| 220 | } |
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| 221 | if (val > max) { |
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| 222 | val = max; |
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| 223 | } |
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| 224 | slider.setValue(val); |
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| 225 | sliderValue.setBackground(Color.WHITE); |
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| 226 | } |
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| 227 | if (param instanceof FloatParam) { |
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| 228 | double val = Double.parseDouble(sliderValue.getText()); |
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| 229 | int min = param.getMin(Double.class).intValue(); |
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| 230 | int max = param.getMax(Double.class).intValue(); |
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| 231 | |
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| 232 | int intVal = (int) (val * div); |
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| 233 | min = min * div; |
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| 234 | max = max * div; |
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| 235 | if (intVal < min) { |
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| 236 | intVal = min; |
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| 237 | } |
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| 238 | if (intVal > max) { |
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| 239 | intVal = max; |
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| 240 | } |
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| 241 | slider.setValue(intVal); |
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| 242 | sliderValue.setBackground(Color.WHITE); |
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| 243 | } |
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| 244 | } catch (NumberFormatException e) { |
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| 245 | sliderValue.setText(getStringValue()); |
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| 246 | } |
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| 247 | } |
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| 248 | |
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| 249 | |
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| 250 | |
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| 251 | private String getStringValue() { |
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| 252 | if (param instanceof DecimalParam) { |
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| 253 | return Integer.toString((Integer)getValue()); |
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| 254 | } |
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| 255 | if (param instanceof FloatParam) { |
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| 256 | return Double.toString((Double)getValue()); |
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| 257 | } |
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| 258 | return null; |
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| 259 | } |
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| 260 | |
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| 261 | @Override |
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| 262 | public void setValueImpl(Object value) { |
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| 263 | if (value == null) { |
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| 264 | return; |
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| 265 | } |
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| 266 | if (param instanceof DecimalParam) { |
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| 267 | slider.setValue(Numbers.cast(value, Integer.class)); |
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| 268 | } else if (param instanceof FloatParam) { |
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| 269 | slider.setValue((int) ((Numbers.cast(value, Double.class)) * div)); |
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| 270 | } |
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| 271 | } |
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| 272 | |
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| 273 | @Override |
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| 274 | public Object getValue() { |
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| 275 | if (param instanceof DecimalParam) { |
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| 276 | return slider.getValue(); |
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| 277 | } |
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| 278 | if (param instanceof FloatParam) { |
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| 279 | return (double) slider.getValue() / (double) div; |
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| 280 | } |
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| 281 | return null; |
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| 282 | } |
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| 283 | |
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| 284 | |
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| 285 | } |
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