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package org.eclipse.emf.ecp.editor.mecontrols; |
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package org.eclipse.emf.ecp.editor.mecontrols; |
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import org.eclipse.core.databinding.observable.value.IObservableValue; |
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import org.eclipse.core.databinding.observable.value.IObservableValue; |
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import org.eclipse.emf.common.util.EList; |
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import org.eclipse.emf.databinding.EMFDataBindingContext; |
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import org.eclipse.emf.databinding.EMFDataBindingContext; |
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import org.eclipse.emf.databinding.edit.EMFEditObservables; |
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import org.eclipse.emf.databinding.edit.EMFEditObservables; |
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import org.eclipse.emf.ecore.EAttribute; |
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import org.eclipse.emf.ecore.EAttribute; |
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import org.eclipse.emf.ecore.EEnum; |
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import org.eclipse.emf.ecore.EEnum; |
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import org.eclipse.emf.ecore.EEnumLiteral; |
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import org.eclipse.emf.ecore.EObject; |
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import org.eclipse.emf.ecore.EObject; |
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import org.eclipse.emf.edit.provider.IItemLabelProvider; |
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import org.eclipse.emf.edit.provider.IItemPropertyDescriptor; |
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import org.eclipse.emf.edit.provider.IItemPropertyDescriptor; |
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import org.eclipse.jface.databinding.swt.SWTObservables; |
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import org.eclipse.jface.databinding.viewers.ViewersObservables; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.jface.viewers.ArrayContentProvider; |
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import org.eclipse.swt.widgets.Combo; |
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import org.eclipse.jface.viewers.ComboViewer; |
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import org.eclipse.jface.viewers.LabelProvider; |
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import org.eclipse.swt.widgets.Composite; |
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import org.eclipse.swt.widgets.Composite; |
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import org.eclipse.swt.widgets.Control; |
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import org.eclipse.swt.widgets.Control; |
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/** |
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/** |
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* This is the standard Control to edit boolean values. |
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* This is the standard Control to enum values. |
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* |
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* |
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* @author shterev |
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* @author shterev |
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* @author Nikolay Kasyanov |
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*/ |
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*/ |
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public class MEEnumControl extends AbstractMEControl { |
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public class MEEnumControl extends AbstractMEControl { |
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private EAttribute attribute; |
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private EAttribute attribute; |
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private Combo combo; |
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private ComboViewer combo; |
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private static final int PRIORITY = 1; |
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private static final int PRIORITY = 1; |
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/** |
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/** |
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* returns a check button without Label. {@inheritDoc} |
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* returns a Combo created by ComboViewer. {@inheritDoc} |
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* |
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* |
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* @return Control |
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* @return Control |
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*/ |
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*/ |
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public Control createControl(Composite parent, int style) { |
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public Control createControl(Composite parent, int style) { |
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Object feature = getItemPropertyDescriptor().getFeature(getModelElement()); |
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Object feature = getItemPropertyDescriptor().getFeature(getModelElement()); |
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this.attribute = (EAttribute) feature; |
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this.attribute = (EAttribute) feature; |
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combo = new Combo(parent, style | SWT.DROP_DOWN | SWT.READ_ONLY); |
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IObservableValue model = EMFEditObservables.observeValue(getEditingDomain(), getModelElement(), attribute); |
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final IItemLabelProvider labelProvider = getItemPropertyDescriptor().getLabelProvider(getModelElement()); |
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EList<EEnumLiteral> list = ((EEnum) attribute.getEType()).getELiterals(); |
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for (EEnumLiteral literal : list) { |
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combo = new ComboViewer(parent); |
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combo.add(literal.getLiteral()); |
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combo.setContentProvider(new ArrayContentProvider()); |
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} |
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combo.setLabelProvider(new LabelProvider() { |
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@Override |
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public String getText(Object element) { |
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return labelProvider.getText(element); |
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} |
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}); |
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combo.setInput(attribute.getEType().getInstanceClass().getEnumConstants()); |
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EMFDataBindingContext dbc = new EMFDataBindingContext(); |
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EMFDataBindingContext dbc = new EMFDataBindingContext(); |
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dbc.bindValue(SWTObservables.observeSelection(combo), model, null, null); |
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IObservableValue model = EMFEditObservables.observeValue(getEditingDomain(), getModelElement(), attribute); |
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return combo; |
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IObservableValue comboObservable = ViewersObservables.observeSingleSelection(combo); |
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dbc.bindValue(comboObservable, model); |
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return combo.getControl(); |
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} |
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} |
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/** |
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/** |
