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1
23 package info.monitorenter.gui.chart.layout.controls;
24
25 import info.monitorenter.util.Range;
26 import infovis.panel.DoubleBoundedRangeModel;
27 import infovis.panel.dqinter.DoubleRangeSlider;
28
29 import java.awt.Dimension  ;
30 import java.awt.event.ActionEvent ;
31 import java.awt.event.ActionListener ;
32 import java.text.NumberFormat ;
33 import java.text.ParseException ;
34 import java.util.Locale ;
35
36 import javax.swing.Box ;
37 import javax.swing.BoxLayout ;
38 import javax.swing.JPanel ;
39 import javax.swing.JTextField ;
40 import javax.swing.event.ChangeEvent ;
41 import javax.swing.event.ChangeListener ;
42
43
44
56 public class RangeChooserPanel extends JPanel {
57
58
61 private static final long serialVersionUID = 3258413911148410931L;
62
63
64 private NumberFormat m_nf = NumberFormat.getNumberInstance(Locale.getDefault());
65
66
67 private DoubleRangeSlider m_slider;
68
69
77 public RangeChooserPanel(final Range range) {
78
79 super();
80 this.m_nf.setMinimumFractionDigits(2);
81 this.m_nf.setMaximumFractionDigits(2);
82
83 double min = range.getMin();
85 double max = range.getMax();
86 double minBound = min;
87 double maxBound = max;
88 if (minBound == Double.NEGATIVE_INFINITY || minBound == Double.NaN
89 || minBound == Double.POSITIVE_INFINITY || minBound == -Double.MAX_VALUE) {
90 min = -100;
91 }
92 minBound = min - (max - min) / 2;
93
94 if (maxBound == Double.NEGATIVE_INFINITY || maxBound == Double.NaN
95 || maxBound == Double.POSITIVE_INFINITY || maxBound == Double.MAX_VALUE) {
96 max = 100;
97 }
98 maxBound = max + (max - min) / 2;
99
100 this.m_slider = new DoubleRangeSlider(minBound, maxBound, min, max);
101
102 this.setLayout(new BoxLayout (this, BoxLayout.Y_AXIS));
103 this.m_slider.setMaximumSize(new Dimension (300, 40));
104 this.m_slider.setEnabled(true);
105 this.add(Box.createVerticalStrut(10));
106 this.add(this.m_slider);
107 final JTextField rangeMinView = new JTextField ();
110 rangeMinView.setText(this.m_nf.format(new Double (this.m_slider.getLowValue())));
111 DoubleBoundedRangeModel rangeModel = this.m_slider.getModel();
112 rangeMinView.setEditable(true);
113 rangeModel.addChangeListener(new ChangeListener () {
114 public void stateChanged(final ChangeEvent e) {
115 rangeMinView.setText(RangeChooserPanel.this.m_nf.format(new Double (
116 RangeChooserPanel.this.m_slider.getLowValue())));
117 }
118 });
119 rangeMinView.setPreferredSize(new Dimension (120, 20));
120 rangeMinView.addActionListener(new ActionListener () {
121 public void actionPerformed(final ActionEvent ae) {
122 JTextField textField = (JTextField ) ae.getSource();
123 try {
124 Number entered = RangeChooserPanel.this.m_nf.parse(textField.getText());
125 double low = entered.doubleValue();
126 double high = RangeChooserPanel.this.m_slider.getHighValue();
127 double minSlider = low - (high - low) / 2;
128 RangeChooserPanel.this.m_slider.setMinimum(minSlider);
129 RangeChooserPanel.this.m_slider.setLowValue(low);
130 } catch (ParseException e) {
131 textField.setText(RangeChooserPanel.this.m_nf.format(RangeChooserPanel.this.m_slider
133 .getLowValue()));
134 }
135 }
136 });
137 rangeMinView.setToolTipText("Enter a number and hit Return.");
138
139 final JTextField rangeMaxView = new JTextField ();
141 rangeMaxView.setText(new Double (this.m_slider.getHighValue()).toString());
142 rangeMaxView.setEditable(true);
143 rangeModel.addChangeListener(new ChangeListener () {
144 public void stateChanged(final ChangeEvent e) {
145 rangeMaxView.setText(RangeChooserPanel.this.m_nf.format(new Double (
146 RangeChooserPanel.this.m_slider.getHighValue())));
147 }
148 });
149 rangeMaxView.setPreferredSize(new Dimension (120, 20));
150 rangeMaxView.addActionListener(new ActionListener () {
151 public void actionPerformed(final ActionEvent ae) {
152 JTextField textField = (JTextField ) ae.getSource();
153 try {
154 Number entered = RangeChooserPanel.this.m_nf.parse(textField.getText());
155 double low = RangeChooserPanel.this.m_slider.getLowValue();
156 double high = entered.doubleValue();
157 double maxSlider = high + (high - low) / 2;
158 RangeChooserPanel.this.m_slider.setMaximum(maxSlider);
159 RangeChooserPanel.this.m_slider.setHighValue(high);
160 } catch (ParseException e) {
161 textField.setText(RangeChooserPanel.this.m_nf.format(RangeChooserPanel.this.m_slider
163 .getHighValue()));
164 }
165 }
166 });
167 rangeMaxView.setToolTipText("Enter a number and hit Return.");
168
169 JPanel rangeViewPanel = new JPanel ();
171 rangeViewPanel.setMaximumSize(new Dimension (300, 30));
172 rangeViewPanel.setLayout(new BoxLayout (rangeViewPanel, BoxLayout.X_AXIS));
173 rangeViewPanel.add(Box.createHorizontalGlue());
174 rangeViewPanel.add(rangeMinView);
175 rangeViewPanel.add(Box.createHorizontalStrut(10));
176 rangeViewPanel.add(rangeMaxView);
177 rangeViewPanel.add(Box.createHorizontalGlue());
178 this.add(Box.createVerticalStrut(10));
179 this.add(rangeViewPanel);
180 this.add(Box.createVerticalGlue());
181 }
182
183
189 public Range getRange() {
190 return new Range(this.m_slider.getLowValue(), this.m_slider.getHighValue());
191 }
192 }
193 |
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