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.List; |
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5 | |
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6 | import org.eclipse.swt.SWT; |
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7 | import org.eclipse.swt.events.SelectionAdapter; |
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8 | import org.eclipse.swt.events.SelectionEvent; |
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9 | import org.eclipse.swt.layout.GridData; |
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10 | import org.eclipse.swt.layout.GridLayout; |
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11 | import org.eclipse.swt.widgets.Button; |
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12 | import org.eclipse.swt.widgets.Dialog; |
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13 | import org.eclipse.swt.widgets.Display; |
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14 | import org.eclipse.swt.widgets.MessageBox; |
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15 | import org.eclipse.swt.widgets.Shell; |
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16 | import org.eclipse.swt.widgets.Tree; |
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17 | import org.eclipse.swt.widgets.TreeItem; |
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18 | |
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19 | import de.ugoe.cs.quest.eventcore.guimodel.GUIModel; |
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20 | import de.ugoe.cs.quest.eventcore.guimodel.IGUIElement; |
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21 | import de.ugoe.cs.util.console.Console; |
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22 | |
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23 | import org.eclipse.swt.widgets.Label; |
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24 | |
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25 | /** |
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26 | * <p> |
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27 | * TODO comment |
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28 | * </p> |
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29 | * |
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30 | * @version $Revision: $ $Date: Aug 28, 2012$ |
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31 | * @author 2012, last modified by $Author: sherbold$ |
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32 | */ |
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33 | public class ShowGuiModelDialog extends Dialog { |
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34 | |
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35 | protected Shell shell; |
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36 | private Tree guiTree; |
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37 | |
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38 | protected GUIModel model; |
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39 | |
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40 | /** |
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41 | * Create the dialog. |
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42 | * |
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43 | * @param parent |
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44 | * @param style |
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45 | */ |
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46 | public ShowGuiModelDialog(Shell parent, int style, GUIModel model, String modelName) { |
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47 | super(parent, style); |
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48 | setText("GUI Model " + modelName); |
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49 | this.model = model; |
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50 | } |
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51 | |
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52 | /** |
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53 | * Open the dialog. |
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54 | * |
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55 | * @return the result |
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56 | */ |
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57 | public void open() { |
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58 | createContents(); |
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59 | shell.open(); |
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60 | shell.layout(); |
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61 | Display display = getParent().getDisplay(); |
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62 | while (!shell.isDisposed()) { |
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63 | if (!display.readAndDispatch()) { |
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64 | display.sleep(); |
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65 | } |
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66 | } |
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67 | } |
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68 | |
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69 | /** |
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70 | * Create contents of the dialog. |
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71 | */ |
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72 | private void createContents() { |
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73 | shell = new Shell(getParent(), SWT.SHELL_TRIM | SWT.BORDER | SWT.APPLICATION_MODAL); |
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74 | shell.setSize(450, 300); |
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75 | shell.setText(getText()); |
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76 | |
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77 | shell.setLayout(new GridLayout(4, false)); |
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78 | |
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79 | guiTree = new Tree(shell, SWT.BORDER | SWT.MULTI); |
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80 | guiTree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 4, 1)); |
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81 | |
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82 | buildGuiTree(); |
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83 | |
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84 | Button btnExpandAll = new Button(shell, SWT.NONE); |
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85 | btnExpandAll.addSelectionListener(new SelectionAdapter() { |
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86 | @Override |
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87 | public void widgetSelected(SelectionEvent e) { |
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88 | expandAll(guiTree, true); |
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89 | } |
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90 | }); |
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91 | btnExpandAll.setText("Expand all"); |
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92 | |
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93 | Button btnCollapseAll = new Button(shell, SWT.NONE); |
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94 | btnCollapseAll.addSelectionListener(new SelectionAdapter() { |
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95 | @Override |
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96 | public void widgetSelected(SelectionEvent e) { |
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97 | expandAll(guiTree, false); |
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98 | } |
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99 | }); |
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100 | btnCollapseAll.setText("Collapse all"); |
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101 | |
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102 | Button btnCondense = new Button(shell, SWT.NONE); |
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103 | btnCondense.addSelectionListener(new SelectionAdapter() { |
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104 | @Override |
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105 | public void widgetSelected(SelectionEvent e) { |
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106 | model.condenseModel(); |
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107 | guiTree.removeAll(); |
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108 | buildGuiTree(); |
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109 | } |
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110 | }); |
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111 | btnCondense.setText("Condense"); |
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112 | |
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113 | Button btnMerge = new Button(shell, SWT.NONE); |
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114 | btnMerge.addSelectionListener(new SelectionAdapter() { |
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115 | @Override |
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116 | public void widgetSelected(SelectionEvent e) { |
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117 | mergeSelectedNode(guiTree); |
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118 | } |
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119 | }); |
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120 | btnMerge.setText("Merge nodes"); |
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121 | |
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122 | //new Label(shell, SWT.NONE); |
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123 | new Label(shell, SWT.NONE); |
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124 | new Label(shell, SWT.NONE); |
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125 | new Label(shell, SWT.NONE); |
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126 | |
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127 | } |
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128 | |
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129 | private void buildGuiTree() { |
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130 | for (IGUIElement element : model.getRootElements()) { |
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131 | TreeItem child = new TreeItem(guiTree, SWT.NULL); |
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132 | child.setText(element.toString()); |
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133 | child.setData(element); |
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134 | buildGuiTree(child, model.getChildren(element)); |
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135 | } |
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136 | } |
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137 | |
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138 | private void buildGuiTree(TreeItem currentParent, List<IGUIElement> elements) { |
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139 | for (IGUIElement element : elements) { |
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140 | TreeItem child = new TreeItem(currentParent, SWT.NULL); |
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141 | child.setText(element.toString()); |
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142 | child.setData(element); |
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143 | buildGuiTree(child, model.getChildren(element)); |
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144 | } |
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145 | } |
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146 | |
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147 | private void expandAll(Tree tree, boolean expanded) { |
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148 | for (TreeItem item : tree.getItems()) { |
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149 | expandAll(item, expanded); |
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150 | } |
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151 | } |
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152 | |
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153 | private void expandAll(TreeItem item, boolean expanded) { |
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154 | item.setExpanded(expanded); |
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155 | for (TreeItem childItem : item.getItems()) { |
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156 | expandAll(childItem, expanded); |
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157 | } |
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158 | } |
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159 | |
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160 | private void mergeSelectedNode(Tree tree) { |
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161 | TreeItem[] selectedNodes = tree.getSelection(); |
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162 | if( selectedNodes.length<2 ) { |
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163 | MessageBox messageBox = new MessageBox(shell, SWT.ERROR); |
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164 | messageBox.setMessage("Must select at least two nodes to merge!"); |
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165 | messageBox.setText("Error"); |
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166 | messageBox.open(); |
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167 | return; |
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168 | } |
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169 | |
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170 | TreeItem firstParent = selectedNodes[0].getParentItem(); |
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171 | for( int i=1 ; i<selectedNodes.length ; i++ ) { |
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172 | if( firstParent!=selectedNodes[i].getParentItem() ) { |
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173 | MessageBox messageBox = new MessageBox(shell, SWT.ERROR); |
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174 | messageBox.setMessage("All selected nodes must have the same parent!"); |
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175 | messageBox.setText("Error"); |
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176 | messageBox.open(); |
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177 | return; |
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178 | } |
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179 | } |
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180 | |
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181 | try { |
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182 | // try to merge the elements |
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183 | IGUIElement firstElement = (IGUIElement) selectedNodes[0].getData(); |
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184 | for( int i=1 ; i<selectedNodes.length ; i++ ) { |
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185 | model.mergeGUIElements(firstElement, (IGUIElement) selectedNodes[i].getData()); |
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186 | } |
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187 | } catch( IllegalArgumentException e) { |
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188 | Console.logException(e); |
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189 | } |
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190 | |
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191 | // update visualization of the model |
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192 | firstParent.removeAll(); |
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193 | buildGuiTree(firstParent, model.getChildren((IGUIElement) firstParent.getData())); |
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194 | firstParent.setExpanded(true); |
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195 | } |
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196 | |
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197 | } |
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