svn-gvsig-desktop / tags / v1_0_2_Build_908 / libraries / libUI / src / org / gvsig / gui / beans / controls / comboscale / ComboScale.java @ 11054
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1 | 5930 | caballero | package org.gvsig.gui.beans.controls.comboscale; |
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2 | |||
3 | 9844 | caballero | import java.awt.FlowLayout; |
4 | 6582 | cesar | import java.awt.event.ActionEvent; |
5 | import java.awt.event.ActionListener; |
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6 | 9844 | caballero | import java.awt.event.KeyEvent; |
7 | import java.awt.event.KeyListener; |
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8 | 6937 | jaume | import java.text.NumberFormat; |
9 | 5930 | caballero | import java.util.ArrayList; |
10 | 9844 | caballero | import java.util.BitSet; |
11 | 6582 | cesar | import java.util.Iterator; |
12 | 5930 | caballero | |
13 | import javax.swing.DefaultComboBoxModel; |
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14 | import javax.swing.JComboBox; |
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15 | 6582 | cesar | import javax.swing.JLabel; |
16 | 5930 | caballero | import javax.swing.JPanel; |
17 | |||
18 | 6582 | cesar | import org.gvsig.gui.beans.controls.IControl; |
19 | 5930 | caballero | |
20 | 6582 | cesar | public class ComboScale extends JPanel implements IControl { |
21 | |||
22 | 5930 | caballero | private JLabel jLabel = null; |
23 | 6823 | fjp | |
24 | 5930 | caballero | private JComboBox jComboBox = null; |
25 | 6632 | caballero | |
26 | 6823 | fjp | private ArrayList actionCommandListeners = new ArrayList(); |
27 | |||
28 | // private Long[] scales;
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29 | private boolean bDoCallListeners = true; |
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30 | |||
31 | 8765 | jjdelcerro | private boolean isScaleCombo; |
32 | |||
33 | 6823 | fjp | static private int eventId = Integer.MIN_VALUE; |
34 | |||
35 | 6937 | jaume | // jaume
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36 | private class ComboScaleItem { |
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37 | private long value; |
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38 | |||
39 | public ComboScaleItem(long itemScale) { |
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40 | this.value = itemScale;
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41 | } |
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42 | |||
43 | public String toString() { |
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44 | return NumberFormat.getNumberInstance().format(value); |
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45 | } |
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46 | |||
47 | public boolean equals(Object obj) { |
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48 | return obj instanceof ComboScaleItem && ((ComboScaleItem) obj).getValue() == value; |
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49 | } |
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50 | |||
51 | public long getValue() { |
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52 | return value;
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53 | } |
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54 | } |
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55 | 5930 | caballero | /**
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56 | * This is the default constructor
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57 | */
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58 | public ComboScale() {
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59 | super();
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60 | initialize(); |
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61 | } |
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62 | |||
63 | /**
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64 | * This method initializes this
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65 | 6937 | jaume | *
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66 | 5930 | caballero | * @return void
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67 | */
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68 | private void initialize() { |
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69 | 7341 | maquerol | FlowLayout flowLayout = new FlowLayout(); |
70 | flowLayout.setHgap(0);
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71 | flowLayout.setVgap(0);
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72 | 5930 | caballero | jLabel = new JLabel(); |
73 | jLabel.setText("1:");
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74 | 7341 | maquerol | this.setLayout(flowLayout);
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75 | this.setSize(155, 16); |
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76 | //this.setBorder(javax.swing.BorderFactory.createLineBorder(
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77 | 5930 | caballero | this.add(jLabel, null); |
78 | this.add(getJComboBox(), null); |
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79 | 8765 | jjdelcerro | //java.awt.Color.gray, 1));
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80 | 5930 | caballero | } |
81 | |||
82 | /**
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83 | * This method initializes jComboBox
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84 | 6937 | jaume | *
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85 | 5930 | caballero | * @return javax.swing.JComboBox
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86 | */
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87 | private JComboBox getJComboBox() { |
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88 | if (jComboBox == null) { |
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89 | jComboBox = new JComboBox(); |
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90 | 6823 | fjp | jComboBox.setPreferredSize(new java.awt.Dimension(130, 16)); |
91 | 5930 | caballero | jComboBox.setEditable(true);
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92 | jComboBox.setMaximumRowCount(5);
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93 | 6823 | fjp | jComboBox.setFont(new java.awt.Font("Dialog", java.awt.Font.BOLD, |
94 | 10));
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95 | 5930 | caballero | jComboBox.setBackground(java.awt.SystemColor.window); |
96 | 9844 | caballero | jComboBox.setComponentOrientation(java.awt.ComponentOrientation.LEFT_TO_RIGHT); |
97 | 5930 | caballero | jComboBox.addActionListener(new java.awt.event.ActionListener() {
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98 | public void actionPerformed(java.awt.event.ActionEvent e) { |
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99 | 6582 | cesar | if (e.getActionCommand().equals("comboBoxChanged")) { |
100 | 6823 | fjp | |
101 | // callActionCommandListeners(((Long)jComboBox.getSelectedItem()).longValue());
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102 | // setScale(((Long)jComboBox.getSelectedItem()).longValue());
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103 | 6937 | jaume | Object item = jComboBox.getSelectedItem();
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104 | 9844 | caballero | long scale=0; |
105 | 6937 | jaume | if (item instanceof String) { |
106 | 6940 | jaume | StringBuffer sb = new StringBuffer((String) item); |
107 | 7018 | jaume | // remove any point in the number
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108 | final String digits = "0123456789"; |
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109 | int i = sb.charAt(0) == '-' ? 1 : 0; |
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110 | 9844 | caballero | BitSet deleteChars=new BitSet(); |
111 | while (i < sb.length()) {
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112 | 7018 | jaume | if (digits.indexOf(sb.charAt(i))==-1) |
113 | 9844 | caballero | deleteChars.set(i); |
114 | 7018 | jaume | i++; |
115 | 6940 | jaume | } |
116 | 9844 | caballero | for (int k=deleteChars.size();k>=0;k--){ |
117 | if (deleteChars.get(k))
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118 | sb.deleteCharAt(k); |
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119 | } |
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120 | 6937 | jaume | jComboBox.removeItem(item); |
121 | 9844 | caballero | try{
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122 | scale = Long.parseLong(sb.toString());
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123 | }catch (NumberFormatException e1) { |
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124 | } |
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125 | 6937 | jaume | } else {
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126 | scale = ((ComboScaleItem) jComboBox.getSelectedItem()) |
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127 | .getValue(); |
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128 | } |
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129 | 6823 | fjp | insertScaleIfNotPresent(scale); |
130 | callActionCommandListeners(scale); |
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131 | 6582 | cesar | } |
132 | 5930 | caballero | } |
133 | }); |
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134 | } |
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135 | return jComboBox;
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136 | } |
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137 | |||
138 | public void setItems(long[] items) { |
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139 | 6937 | jaume | ComboScaleItem[] scales = new ComboScaleItem[items.length]; |
140 | 6823 | fjp | for (int i = 0; i < items.length; i++) { |
141 | 6937 | jaume | scales[i] = new ComboScaleItem(items[i]);
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142 | 5930 | caballero | } |
143 | 6823 | fjp | DefaultComboBoxModel newModel = new DefaultComboBoxModel(scales); |
144 | getJComboBox().setModel(newModel); |
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145 | 5930 | caballero | } |
146 | 6823 | fjp | |
147 | /**
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148 | * This funcion ONLY sets the text in combo. It will NOT call listeners.
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149 | 6937 | jaume | *
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150 | 6823 | fjp | * @param scale
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151 | */
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152 | 5930 | caballero | public void setScale(long item) { |
153 | 6823 | fjp | bDoCallListeners = false;
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154 | 6937 | jaume | getJComboBox().setSelectedItem(new ComboScaleItem(item));
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155 | 7019 | jaume | bDoCallListeners = true;
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156 | 6823 | fjp | } |
157 | |||
158 | /**
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159 | * @param scale
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160 | */
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161 | private void insertScaleIfNotPresent(long scale) { |
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162 | // Si viene de un setScale, no insertamos la escala en el combo
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163 | 7286 | jaume | if (!bDoCallListeners)
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164 | return;
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165 | 6937 | jaume | |
166 | 6823 | fjp | DefaultComboBoxModel model = (DefaultComboBoxModel) jComboBox |
167 | .getModel(); |
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168 | // model=new DefaultComboBoxModel();
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169 | boolean inserted = false; |
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170 | for (int i = 0; i < model.getSize(); i++) { |
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171 | 6937 | jaume | ComboScaleItem itemScale = (ComboScaleItem) model.getElementAt(i); |
172 | if (scale == itemScale.getValue()) {
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173 | 6823 | fjp | inserted = true;
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174 | break;
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175 | 5930 | caballero | } |
176 | 6823 | fjp | } |
177 | if (!inserted) {
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178 | for (int i = 0; i < model.getSize(); i++) { |
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179 | 6937 | jaume | ComboScaleItem itemScale = (ComboScaleItem) model.getElementAt(i); |
180 | if (scale < itemScale.getValue()) {
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181 | model.insertElementAt(new ComboScaleItem(scale), i);
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182 | 6823 | fjp | inserted = true;
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183 | break;
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184 | } |
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185 | 5930 | caballero | } |
186 | 6823 | fjp | if (!inserted)
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187 | 6937 | jaume | model.addElement(new ComboScaleItem(scale));
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188 | 5930 | caballero | } |
189 | 8765 | jjdelcerro | jComboBox.setSelectedItem(new ComboScaleItem(scale));
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190 | isScaleCombo=true;
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191 | 5930 | caballero | } |
192 | 6823 | fjp | |
193 | private void callActionCommandListeners(long scale) { |
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194 | 7286 | jaume | if (!bDoCallListeners)
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195 | 6823 | fjp | return;
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196 | 6632 | caballero | |
197 | 6582 | cesar | Iterator acIterator = actionCommandListeners.iterator();
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198 | while (acIterator.hasNext()) {
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199 | ActionListener listener = (ActionListener) acIterator.next(); |
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200 | 6823 | fjp | listener.actionPerformed(new ActionEvent(this, eventId, |
201 | "CHANGE_SCALE_" + scale));
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202 | 6582 | cesar | } |
203 | eventId++; |
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204 | } |
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205 | 6632 | caballero | |
206 | 6582 | cesar | public void addActionListener(ActionListener listener) { |
207 | if (!actionCommandListeners.contains(listener))
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208 | actionCommandListeners.add(listener); |
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209 | } |
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210 | 6632 | caballero | |
211 | 6582 | cesar | public void removeActionListener(ActionListener listener) { |
212 | actionCommandListeners.remove(listener); |
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213 | } |
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214 | 6632 | caballero | |
215 | 6618 | cesar | /**
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216 | * Returns the current selected item.
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217 | 6937 | jaume | *
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218 | 6823 | fjp | * @return The value of the selected scale, or -1 if there was an invalid
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219 | * value (ie. not long value).
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220 | 6618 | cesar | */
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221 | public long getScale() { |
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222 | 6937 | jaume | return ((ComboScaleItem) jComboBox.getSelectedItem()).getValue();
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223 | 6618 | cesar | } |
224 | 6632 | caballero | |
225 | 6618 | cesar | /**
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226 | * Sets the label to be displayed on the left of the combo
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227 | */
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228 | public void setLabel(String label) { |
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229 | jLabel.setText(label); |
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230 | } |
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231 | 6632 | caballero | |
232 | 6618 | cesar | /**
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233 | * Gets the label
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234 | */
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235 | public String getLabel() { |
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236 | return jLabel.getText();
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237 | } |
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238 | 6632 | caballero | |
239 | 6937 | jaume | public Object setValue(Object value) { |
240 | 8765 | jjdelcerro | if (isScaleCombo) {
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241 | isScaleCombo=false;
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242 | return null; |
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243 | } |
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244 | 6622 | cesar | try {
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245 | 6937 | jaume | long scale = Long.parseLong((String)value); |
246 | |||
247 | 6938 | jaume | if (scale < 0) |
248 | 6937 | jaume | return null; |
249 | |||
250 | ComboScaleItem item = new ComboScaleItem(scale);
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251 | if (item.equals(jComboBox.getSelectedItem()))
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252 | return item;
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253 | 6622 | cesar | this.setScale(scale);
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254 | 6937 | jaume | return item;
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255 | 6823 | fjp | } catch (NumberFormatException ex) { |
256 | 6632 | caballero | // don't change the status if the provided value was not valid
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257 | 6622 | cesar | return null; |
258 | } |
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259 | } |
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260 | 6937 | jaume | |
261 | 6823 | fjp | } // @jve:decl-index=0:visual-constraint="10,10" |