1 | package de.ugoe.cs.swe.bnftools.ui.views.syntaxdiagram;
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2 |
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3 | import org.eclipse.draw2d.ColorConstants;
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4 | import org.eclipse.draw2d.Figure;
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5 | import org.eclipse.draw2d.FigureCanvas;
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6 | import org.eclipse.draw2d.LightweightSystem;
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7 | import org.eclipse.draw2d.MarginBorder;
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8 | import org.eclipse.draw2d.ToolbarLayout;
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9 | import org.eclipse.draw2d.Viewport;
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10 | import org.eclipse.draw2d.geometry.Rectangle;
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11 | import org.eclipse.jface.text.ITextSelection;
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12 | import org.eclipse.jface.viewers.ISelection;
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13 | import org.eclipse.swt.SWT;
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14 | import org.eclipse.swt.layout.FillLayout;
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15 | import org.eclipse.swt.widgets.Composite;
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16 | import org.eclipse.ui.IEditorPart;
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17 | import org.eclipse.ui.ISelectionListener;
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18 | import org.eclipse.ui.IWorkbenchPage;
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19 | import org.eclipse.ui.IWorkbenchPart;
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20 | import org.eclipse.ui.PlatformUI;
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21 | import org.eclipse.ui.part.ViewPart;
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22 | import org.eclipse.xtext.parsetree.NodeAdapter;
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23 | import org.eclipse.xtext.ui.editor.XtextEditor;
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24 |
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25 | import de.ugoe.cs.swe.bnftools.utils.Utils;
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26 |
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27 | public class SyntaxDiagramView extends ViewPart {
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28 |
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29 | public static final String ID = "org.etsi.bnftools.views.syntaxdiagram.SyntaxDiagramView"; //$NON-NLS-1$
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30 |
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31 | private FigureCanvas canvas;
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32 |
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33 | public SyntaxDiagramView() {
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34 | }
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35 |
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36 | public void createPartControl(Composite parent) {
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37 | Composite container = new Composite(parent, SWT.NONE);
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38 |
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39 | container.setLayout(new FillLayout());
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40 | canvas = new FigureCanvas(container, SWT.V_SCROLL | SWT.H_SCROLL);
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41 | canvas.setViewport(new Viewport(true));
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42 | canvas.setScrollBarVisibility(FigureCanvas.ALWAYS);
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43 |
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44 | createActions();
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45 | initializeToolBar();
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46 | initializeMenu();
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47 |
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48 | getSite().getWorkbenchWindow().getSelectionService()
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49 | .addPostSelectionListener(new ISelectionListener() {
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50 | public void selectionChanged(IWorkbenchPart part,
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51 | ISelection selection) {
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52 | if (selection instanceof ITextSelection) {
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53 | IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
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54 | if (activePage == null)
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55 | return;
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56 | IEditorPart activeEditor = activePage.getActiveEditor();
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57 | if (activeEditor == null)
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58 | return;
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59 | XtextEditor xtextEditor = (XtextEditor) activeEditor.getAdapter(XtextEditor.class);
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60 |
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61 | ITextSelection mySelection = (ITextSelection) selection;
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62 |
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63 | if ((xtextEditor != null) && (mySelection != null)) {
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64 | NodeAdapter node = Utils.findNodeFromSelection(
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65 | xtextEditor, mySelection);
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66 | if (node != null)
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67 | draw(node);
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68 | }
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69 | }
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70 | }
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71 | });
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72 | }
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73 |
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74 | public void draw(NodeAdapter node) {
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75 | Figure mainFigure = new Figure();
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76 | mainFigure.setBounds(new Rectangle(canvas.getBounds()));
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77 | ToolbarLayout mainLayout = new ToolbarLayout();
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78 | mainLayout.setStretchMinorAxis(false);
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79 | mainLayout.setMinorAlignment(ToolbarLayout.ALIGN_CENTER);
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80 | mainFigure.setLayoutManager(mainLayout);
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81 | mainFigure.setOpaque(true);
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82 | mainFigure.setBackgroundColor(ColorConstants.white);
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83 | mainFigure.setBorder(new MarginBorder(10));
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84 |
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85 | canvas.setContents(mainFigure);
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86 |
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87 | LightweightSystem lws = new LightweightSystem(canvas);
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88 | lws.setContents(canvas.getViewport());
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89 |
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90 | SyntaxDiagramFigure newSyntaxDiagram = new SyntaxDiagramCreator(node).createSyntaxDiagram();
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91 |
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92 | mainFigure.add(newSyntaxDiagram);
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93 | }
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94 |
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95 | private void createActions() {
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96 | // Create the actions
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97 | }
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98 |
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99 | private void initializeToolBar() {
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100 | // IToolBarManager toolbarManager = getViewSite().getActionBars()
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101 | // .getToolBarManager();
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102 | }
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103 |
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104 | private void initializeMenu() {
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105 | // IMenuManager menuManager = getViewSite().getActionBars()
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106 | // .getMenuManager();
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107 | }
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108 |
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109 | @Override
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110 | public void setFocus() {
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111 | // Set the focus
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112 | }
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113 |
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114 | } |
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