1 |
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2 | package de.ugoe.cs.quest.ui.swt;
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3 |
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4 | import java.util.SortedSet;
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5 |
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6 | import org.eclipse.swt.widgets.Dialog;
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7 | import org.eclipse.swt.widgets.Display;
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8 | import org.eclipse.swt.widgets.Listener;
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9 | import org.eclipse.swt.widgets.MessageBox;
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10 | import org.eclipse.swt.widgets.Shell;
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11 | import org.eclipse.swt.widgets.TableItem;
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12 | import org.eclipse.swt.layout.GridLayout;
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13 | import org.eclipse.swt.SWT;
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14 | import org.eclipse.swt.widgets.Button;
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15 | import org.eclipse.swt.layout.GridData;
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16 | import org.eclipse.swt.widgets.Table;
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17 | import org.eclipse.swt.widgets.TableColumn;
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18 | import org.eclipse.swt.events.SelectionAdapter;
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19 | import org.eclipse.swt.events.SelectionEvent;
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20 | import org.eclipse.swt.graphics.Point;
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21 |
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22 | import de.ugoe.cs.quest.eventcore.Event;
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23 |
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24 | public class EditSequenceDialog extends Dialog {
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25 |
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26 | protected Shell shell;
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27 | private Table table;
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28 | private TableColumn tblclmnEventType;
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29 | private TableColumn tblclmnEventTarget;
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30 |
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31 | private java.util.List<Event> sequence;
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32 | private SortedSet<String> targets;
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33 |
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34 | /**
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35 | * Create the dialog.
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36 | *
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37 | * @param parent
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38 | * @param style
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39 | */
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40 | public EditSequenceDialog(Shell parent, int style, SortedSet<String> targets) {
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41 | super(parent, style);
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42 | setText("SWT Dialog");
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43 | this.targets = targets;
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44 | }
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45 |
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46 | /**
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47 | * Open the dialog.
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48 | */
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49 | public void open(java.util.List<Event> sequence) {
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50 | this.sequence = sequence;
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51 | createContents();
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52 | shell.open();
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53 | shell.layout();
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54 | Display display = getParent().getDisplay();
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55 | while (!shell.isDisposed()) {
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56 | if (!display.readAndDispatch()) {
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57 | display.sleep();
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58 | }
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59 | }
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60 | }
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61 |
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62 | /**
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63 | * Create contents of the dialog.
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64 | */
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65 | private void createContents() {
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66 | shell = new Shell(getParent(), SWT.SHELL_TRIM | SWT.BORDER | SWT.APPLICATION_MODAL);
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67 | shell.setSize(450, 300);
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68 | shell.setText(getText());
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69 | shell.setLayout(new GridLayout(3, false));
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70 |
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71 | table = new Table(shell, SWT.BORDER | SWT.FULL_SELECTION);
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72 | table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));
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73 | table.setHeaderVisible(true);
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74 | table.setLinesVisible(true);
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75 |
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76 | tblclmnEventType = new TableColumn(table, SWT.NONE);
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77 | tblclmnEventType.setWidth(100);
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78 | tblclmnEventType.setText("Event Type");
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79 |
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80 | tblclmnEventTarget = new TableColumn(table, SWT.NONE);
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81 | tblclmnEventTarget.setWidth(100);
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82 | tblclmnEventTarget.setText("Event Target");
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83 |
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84 | // this listener makes the table entries multiline
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85 | Listener paintListener = new Listener() {
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86 | public void handleEvent(org.eclipse.swt.widgets.Event event) {
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87 | switch (event.type)
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88 | {
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89 | case SWT.MeasureItem: {
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90 | TableItem item = (TableItem) event.item;
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91 | String text = item.getText(event.index);
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92 | Point size = event.gc.textExtent(text);
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93 | event.width = size.x;
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94 | event.height = Math.max(event.height, size.y);
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95 | break;
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96 | }
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97 | case SWT.PaintItem: {
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98 | TableItem item = (TableItem) event.item;
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99 | String text = item.getText(event.index);
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100 | Point size = event.gc.textExtent(text);
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101 | int offset =
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102 | event.index == 0 ? Math.max(0, (event.height - size.y) / 2) : 0;
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103 | event.gc.drawText(text, event.x, event.y + offset, true);
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104 | break;
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105 | }
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106 | case SWT.EraseItem:
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107 | event.detail &= ~SWT.FOREGROUND;
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108 | break;
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109 | default:
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110 | break;
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111 | }
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112 | }
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113 |
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114 | };
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115 | table.addListener(SWT.MeasureItem, paintListener);
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116 | table.addListener(SWT.PaintItem, paintListener);
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117 | table.addListener(SWT.EraseItem, paintListener);
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118 |
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119 | updateTableContents();
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120 |
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121 | Button btnInsertBefore = new Button(shell, SWT.NONE);
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122 | btnInsertBefore.addSelectionListener(new SelectionAdapter() {
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123 | @Override
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124 | public void widgetSelected(SelectionEvent e) {
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125 | int index = table.getSelectionIndex();
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126 | if (index == -1) {
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127 | MessageBox messageBox = new MessageBox(shell, SWT.ERROR);
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128 | messageBox.setMessage("No event selected!");
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129 | messageBox.setText("Error");
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130 | messageBox.open();
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131 | }
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132 | else {
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133 | openInsertDialog(index);
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134 | }
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135 | }
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136 | });
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137 | btnInsertBefore.setText("Insert Before");
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138 |
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139 | Button btnInsertAfter = new Button(shell, SWT.NONE);
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140 | btnInsertAfter.addSelectionListener(new SelectionAdapter() {
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141 | @Override
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142 | public void widgetSelected(SelectionEvent e) {
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143 | int index = table.getSelectionIndex();
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144 | if (index == -1) {
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145 | MessageBox messageBox = new MessageBox(shell, SWT.ERROR);
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146 | messageBox.setMessage("No event selected!");
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147 | messageBox.setText("Error");
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148 | messageBox.open();
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149 | }
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150 | else {
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151 | openInsertDialog(index + 1);
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152 | }
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153 | }
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154 | });
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155 | btnInsertAfter.setText("Insert After");
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156 |
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157 | Button btnClose = new Button(shell, SWT.NONE);
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158 | btnClose.addSelectionListener(new SelectionAdapter() {
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159 | @Override
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160 | public void widgetSelected(SelectionEvent e) {
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161 | shell.dispose();
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162 | }
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163 | });
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164 | btnClose.setText("Close");
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165 |
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166 | }
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167 |
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168 | private void updateTableContents() {
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169 | table.removeAll();
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170 | for (Event event : sequence) {
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171 | TableItem tableItem = new TableItem(table, SWT.NONE);
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172 | // TODO check if toString is sufficient
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173 | String target = event.getTarget().toString();
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174 | if (target != null) {
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175 | // the target is split into multiple lines, as one line may
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176 | // only be 259 characters in tables with Windows
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177 | target = target.replace("].", "].\n");
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178 | }
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179 | tableItem.setText(new String[]
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180 | { event.getType().toString(), target });
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181 | }
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182 | for (int i = 0; i < table.getColumnCount(); i++) {
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183 | table.getColumn(i).pack();
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184 | }
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185 | }
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186 |
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187 | private void openInsertDialog(int position) {
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188 | InsertAssertionDialog insertDialog = new InsertAssertionDialog(shell, SWT.NONE, targets);
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189 | Event event = insertDialog.open();
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190 | if (event != null) {
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191 | sequence.add(position, event);
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192 | updateTableContents();
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193 | }
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194 | }
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195 |
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196 | }
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