1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.widgets;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.BorderLayout;
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7 | import java.awt.Dimension;
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8 | import java.awt.GridBagLayout;
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9 | import java.util.ArrayList;
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10 | import java.util.List;
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11 |
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12 | import javax.swing.DefaultListModel;
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13 | import javax.swing.JButton;
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14 | import javax.swing.JList;
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15 | import javax.swing.JOptionPane;
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16 | import javax.swing.JPanel;
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17 | import javax.swing.JScrollPane;
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18 |
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19 | import org.openstreetmap.josm.Main;
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20 | import org.openstreetmap.josm.tools.GBC;
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21 |
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22 | /**
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23 | * A {@link JList} containing items, and {@link JButton}s to add/edit/delete items.
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24 | */
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25 | public class EditableList extends JPanel {
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26 |
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27 | /**
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28 | * The title displayed in input dialog
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29 | */
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30 | public final String title;
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31 | /**
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32 | * The list items
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33 | */
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34 | public final JList<String> sourcesList = new JList<>(new DefaultListModel<String>());
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35 | /**
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36 | * The add button
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37 | */
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38 | public final JButton addSrcButton = new JButton(tr("Add"));
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39 | /**
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40 | * The edit button displayed nex to the list
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41 | */
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42 | public final JButton editSrcButton = new JButton(tr("Edit"));
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43 | /**
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44 | * The delete button
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45 | */
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46 | public final JButton deleteSrcButton = new JButton(tr("Delete"));
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47 |
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48 | /**
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49 | * Constructs a new {@code EditableList}.
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50 | * @param title The title displayed in input dialog
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51 | */
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52 | public EditableList(String title) {
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53 | this.title = title;
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54 | build();
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55 | }
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56 |
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57 | protected final void build() {
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58 |
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59 | setLayout(new BorderLayout());
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60 |
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61 | addSrcButton.addActionListener(e -> {
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62 | String source = JOptionPane.showInputDialog(
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63 | Main.parent,
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64 | title,
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65 | title,
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66 | JOptionPane.QUESTION_MESSAGE);
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67 | if (source != null && !source.isEmpty()) {
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68 | ((DefaultListModel<String>) sourcesList.getModel()).addElement(source);
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69 | }
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70 | sourcesList.clearSelection();
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71 | });
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72 |
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73 | editSrcButton.addActionListener(e -> {
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74 | int row = sourcesList.getSelectedIndex();
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75 | if (row == -1 && sourcesList.getModel().getSize() == 1) {
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76 | sourcesList.setSelectedIndex(0);
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77 | row = 0;
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78 | }
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79 | if (row == -1) {
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80 | if (sourcesList.getModel().getSize() == 0) {
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81 | String source1 = JOptionPane.showInputDialog(Main.parent, title, title, JOptionPane.QUESTION_MESSAGE);
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82 | if (source1 != null && !source1.isEmpty()) {
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83 | ((DefaultListModel<String>) sourcesList.getModel()).addElement(source1);
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84 | }
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85 | } else {
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86 | JOptionPane.showMessageDialog(
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87 | Main.parent,
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88 | tr("Please select the row to edit."),
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89 | tr("Information"),
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90 | JOptionPane.INFORMATION_MESSAGE
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91 | );
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92 | }
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93 | } else {
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94 | String source2 = (String) JOptionPane.showInputDialog(Main.parent,
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95 | title,
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96 | title,
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97 | JOptionPane.QUESTION_MESSAGE, null, null,
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98 | sourcesList.getSelectedValue());
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99 | if (source2 != null && !source2.isEmpty()) {
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100 | ((DefaultListModel<String>) sourcesList.getModel()).setElementAt(source2, row);
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101 | }
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102 | }
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103 | sourcesList.clearSelection();
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104 | });
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105 |
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106 | deleteSrcButton.addActionListener(e -> {
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107 | if (sourcesList.getSelectedIndex() == -1) {
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108 | JOptionPane.showMessageDialog(Main.parent, tr("Please select the row to delete."), tr("Information"),
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109 | JOptionPane.QUESTION_MESSAGE);
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110 | } else {
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111 | ((DefaultListModel<String>) sourcesList.getModel()).remove(sourcesList.getSelectedIndex());
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112 | }
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113 | });
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114 | sourcesList.setMinimumSize(new Dimension(300, 50));
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115 | sourcesList.setVisibleRowCount(3);
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116 |
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117 | addSrcButton.setToolTipText(tr("Add a new source to the list."));
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118 | editSrcButton.setToolTipText(tr("Edit the selected source."));
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119 | deleteSrcButton.setToolTipText(tr("Delete the selected source from the list."));
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120 |
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121 | final JPanel buttonPanel = new JPanel(new GridBagLayout());
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122 | buttonPanel.add(addSrcButton, GBC.std().insets(0, 5, 0, 0));
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123 | buttonPanel.add(editSrcButton, GBC.std().insets(5, 5, 5, 0));
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124 | buttonPanel.add(deleteSrcButton, GBC.std().insets(0, 5, 0, 0));
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125 |
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126 | add(new JScrollPane(sourcesList), BorderLayout.CENTER);
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127 | add(buttonPanel, BorderLayout.SOUTH);
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128 | setPreferredSize(new Dimension(300, 50 + (int) buttonPanel.getPreferredSize().getHeight()));
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129 |
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130 | }
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131 |
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132 | /**
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133 | * Sets the list items by a given list of strings
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134 | * @param items The items that should be set
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135 | */
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136 | public void setItems(final Iterable<String> items) {
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137 | for (String source : items) {
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138 | ((DefaultListModel<String>) sourcesList.getModel()).addElement(source);
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139 | }
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140 | }
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141 |
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142 | /**
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143 | * Gets all items that are currently displayed
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144 | * @return All items as list of strings
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145 | */
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146 | public List<String> getItems() {
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147 | final List<String> items = new ArrayList<>(sourcesList.getModel().getSize());
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148 | for (int i = 0; i < sourcesList.getModel().getSize(); ++i) {
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149 | items.add(sourcesList.getModel().getElementAt(i));
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150 | }
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151 | return items;
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152 | }
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153 |
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154 | @Override
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155 | public void setEnabled(boolean enabled) {
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156 | sourcesList.setEnabled(enabled);
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157 | addSrcButton.setEnabled(enabled);
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158 | editSrcButton.setEnabled(enabled);
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159 | deleteSrcButton.setEnabled(enabled);
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160 | }
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161 | }
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