| 1 | /* |
| 2 | * Copyright 2007, SDQ, IPD, University of Karlsruhe |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.pcm.gmf.usage.part; |
| 5 | |
| 6 | import org.eclipse.emf.ecore.EObject; |
| 7 | import org.eclipse.emf.ecore.util.FeatureMap; |
| 8 | import org.eclipse.emf.edit.provider.IWrapperItemProvider; |
| 9 | import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider; |
| 10 | import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; |
| 11 | import org.eclipse.jface.viewers.ISelectionChangedListener; |
| 12 | import org.eclipse.jface.viewers.IStructuredSelection; |
| 13 | import org.eclipse.jface.viewers.SelectionChangedEvent; |
| 14 | import org.eclipse.jface.viewers.StructuredSelection; |
| 15 | import org.eclipse.jface.viewers.TreeViewer; |
| 16 | import org.eclipse.jface.wizard.WizardPage; |
| 17 | import org.eclipse.swt.SWT; |
| 18 | import org.eclipse.swt.layout.GridData; |
| 19 | import org.eclipse.swt.layout.GridLayout; |
| 20 | import org.eclipse.swt.widgets.Composite; |
| 21 | import org.eclipse.swt.widgets.Label; |
| 22 | |
| 23 | /** |
| 24 | * Wizard page that allows to select element from model. |
| 25 | * |
| 26 | * @generated |
| 27 | */ |
| 28 | public class ModelElementSelectionPage extends WizardPage { |
| 29 | |
| 30 | /** |
| 31 | * @generated |
| 32 | */ |
| 33 | protected EObject selectedModelElement; |
| 34 | |
| 35 | /** |
| 36 | * @generated |
| 37 | */ |
| 38 | private TreeViewer modelViewer; |
| 39 | |
| 40 | /** |
| 41 | * @generated |
| 42 | */ |
| 43 | public ModelElementSelectionPage(String pageName) { |
| 44 | super(pageName); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * @generated |
| 49 | */ |
| 50 | public EObject getModelElement() { |
| 51 | return selectedModelElement; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * @generated |
| 56 | */ |
| 57 | public void setModelElement(EObject modelElement) { |
| 58 | selectedModelElement = modelElement; |
| 59 | if (modelViewer != null) { |
| 60 | if (selectedModelElement != null) { |
| 61 | modelViewer.setInput(selectedModelElement.eResource()); |
| 62 | modelViewer.setSelection(new StructuredSelection( |
| 63 | selectedModelElement)); |
| 64 | } else { |
| 65 | modelViewer.setInput(null); |
| 66 | } |
| 67 | setPageComplete(validatePage()); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * @generated |
| 73 | */ |
| 74 | public void createControl(Composite parent) { |
| 75 | initializeDialogUnits(parent); |
| 76 | |
| 77 | Composite plate = new Composite(parent, SWT.NONE); |
| 78 | plate.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| 79 | GridLayout layout = new GridLayout(); |
| 80 | layout.marginWidth = 0; |
| 81 | plate.setLayout(layout); |
| 82 | setControl(plate); |
| 83 | |
| 84 | Label label = new Label(plate, SWT.NONE); |
| 85 | label.setText(getSelectionTitle()); |
| 86 | label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING)); |
| 87 | |
| 88 | modelViewer = new TreeViewer(plate, SWT.SINGLE | SWT.H_SCROLL |
| 89 | | SWT.V_SCROLL | SWT.BORDER); |
| 90 | GridData layoutData = new GridData(GridData.FILL_BOTH); |
| 91 | layoutData.heightHint = 300; |
| 92 | layoutData.widthHint = 300; |
| 93 | modelViewer.getTree().setLayoutData(layoutData); |
| 94 | modelViewer.setContentProvider(new AdapterFactoryContentProvider( |
| 95 | PalladioComponentModelUsageDiagramEditorPlugin.getInstance() |
| 96 | .getItemProvidersAdapterFactory())); |
| 97 | modelViewer.setLabelProvider(new AdapterFactoryLabelProvider( |
| 98 | PalladioComponentModelUsageDiagramEditorPlugin.getInstance() |
| 99 | .getItemProvidersAdapterFactory())); |
| 100 | if (selectedModelElement != null) { |
| 101 | modelViewer.setInput(selectedModelElement.eResource()); |
| 102 | modelViewer.setSelection(new StructuredSelection( |
| 103 | selectedModelElement)); |
| 104 | } |
| 105 | modelViewer |
| 106 | .addSelectionChangedListener(new ISelectionChangedListener() { |
| 107 | public void selectionChanged(SelectionChangedEvent event) { |
| 108 | ModelElementSelectionPage.this |
| 109 | .updateSelection((IStructuredSelection) event |
| 110 | .getSelection()); |
| 111 | } |
| 112 | }); |
| 113 | |
| 114 | setPageComplete(validatePage()); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Override to provide custom model element description. |
| 119 | * |
| 120 | * @generated |
| 121 | */ |
| 122 | protected String getSelectionTitle() { |
| 123 | return Messages.ModelElementSelectionPageMessage; |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * @generated |
| 128 | */ |
| 129 | protected void updateSelection(IStructuredSelection selection) { |
| 130 | selectedModelElement = null; |
| 131 | if (selection.size() == 1) { |
| 132 | Object selectedElement = selection.getFirstElement(); |
| 133 | if (selectedElement instanceof IWrapperItemProvider) { |
| 134 | selectedElement = ((IWrapperItemProvider) selectedElement) |
| 135 | .getValue(); |
| 136 | } |
| 137 | if (selectedElement instanceof FeatureMap.Entry) { |
| 138 | selectedElement = ((FeatureMap.Entry) selectedElement) |
| 139 | .getValue(); |
| 140 | } |
| 141 | if (selectedElement instanceof EObject) { |
| 142 | selectedModelElement = (EObject) selectedElement; |
| 143 | } |
| 144 | } |
| 145 | setPageComplete(validatePage()); |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Override to provide specific validation of the selected model element. |
| 150 | * |
| 151 | * @generated |
| 152 | */ |
| 153 | protected boolean validatePage() { |
| 154 | return true; |
| 155 | } |
| 156 | } |