1 files changed, 170 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/part/ModelElementSelectionPage.java b/plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/part/ModelElementSelectionPage.java
new file mode 100644
index 0000000000..279aeb423c
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/part/ModelElementSelectionPage.java
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2004 - 2010 Eike Stepper (Berlin, Germany).
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *  
+ * Contributors:
+ *     Martin Fluegge - initial API and implementation
+ * 
+ */
+package org.eclipse.emf.cdo.dawn.examples.acore.diagram.part;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.util.FeatureMap;
+import org.eclipse.emf.edit.provider.IWrapperItemProvider;
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.wizard.WizardPage;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+
+/**
+ * Wizard page that allows to select element from model.
+ * @generated
+ */
+public class ModelElementSelectionPage extends WizardPage
+{
+  /**
+   * @generated
+   */
+  protected EObject selectedModelElement;
+
+  /**
+   * @generated
+   */
+  private TreeViewer modelViewer;
+
+  /**
+   * @generated
+   */
+  public ModelElementSelectionPage(String pageName)
+  {
+    super(pageName);
+  }
+
+  /**
+   * @generated
+   */
+  public EObject getModelElement()
+  {
+    return selectedModelElement;
+  }
+
+  /**
+   * @generated
+   */
+  public void setModelElement(EObject modelElement)
+  {
+    selectedModelElement = modelElement;
+    if (modelViewer != null)
+    {
+      if (selectedModelElement != null)
+      {
+        modelViewer.setInput(selectedModelElement.eResource());
+        modelViewer.setSelection(new StructuredSelection(selectedModelElement));
+      }
+      else
+      {
+        modelViewer.setInput(null);
+      }
+      setPageComplete(validatePage());
+    }
+  }
+
+  /**
+   * @generated
+   */
+  public void createControl(Composite parent)
+  {
+    initializeDialogUnits(parent);
+
+    Composite plate = new Composite(parent, SWT.NONE);
+    plate.setLayoutData(new GridData(GridData.FILL_BOTH));
+    GridLayout layout = new GridLayout();
+    layout.marginWidth = 0;
+    plate.setLayout(layout);
+    setControl(plate);
+
+    Label label = new Label(plate, SWT.NONE);
+    label.setText(getSelectionTitle());
+    label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
+
+    modelViewer = new TreeViewer(plate, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
+    GridData layoutData = new GridData(GridData.FILL_BOTH);
+    layoutData.heightHint = 300;
+    layoutData.widthHint = 300;
+    modelViewer.getTree().setLayoutData(layoutData);
+    modelViewer.setContentProvider(new AdapterFactoryContentProvider(AcoreDiagramEditorPlugin.getInstance()
+        .getItemProvidersAdapterFactory()));
+    modelViewer.setLabelProvider(new AdapterFactoryLabelProvider(AcoreDiagramEditorPlugin.getInstance()
+        .getItemProvidersAdapterFactory()));
+    if (selectedModelElement != null)
+    {
+      modelViewer.setInput(selectedModelElement.eResource());
+      modelViewer.setSelection(new StructuredSelection(selectedModelElement));
+    }
+    modelViewer.addSelectionChangedListener(new ISelectionChangedListener()
+    {
+      public void selectionChanged(SelectionChangedEvent event)
+      {
+        ModelElementSelectionPage.this.updateSelection((IStructuredSelection)event.getSelection());
+      }
+    });
+
+    setPageComplete(validatePage());
+  }
+
+  /**
+   * Override to provide custom model element description.
+   * @generated
+   */
+  protected String getSelectionTitle()
+  {
+    return Messages.ModelElementSelectionPageMessage;
+  }
+
+  /**
+   * @generated
+   */
+  protected void updateSelection(IStructuredSelection selection)
+  {
+    selectedModelElement = null;
+    if (selection.size() == 1)
+    {
+      Object selectedElement = selection.getFirstElement();
+      if (selectedElement instanceof IWrapperItemProvider)
+      {
+        selectedElement = ((IWrapperItemProvider)selectedElement).getValue();
+      }
+      if (selectedElement instanceof FeatureMap.Entry)
+      {
+        selectedElement = ((FeatureMap.Entry)selectedElement).getValue();
+      }
+      if (selectedElement instanceof EObject)
+      {
+        selectedModelElement = (EObject)selectedElement;
+      }
+    }
+    setPageComplete(validatePage());
+  }
+
+  /**
+   * Override to provide specific validation of the selected model element.
+   * @generated
+   */
+  protected boolean validatePage()
+  {
+    return true;
+  }
+
+}