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/*******************************************************************************
* Copyright (c) 2010 BestSolution.at and others.
* 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:
* Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common;
import java.util.HashMap;
import java.util.Map;
import javax.inject.Inject;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.list.WritableList;
import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.e4.tools.emf.ui.common.IModelResource;
import org.eclipse.e4.tools.emf.ui.common.component.AbstractComponentEditor;
import org.eclipse.e4.tools.emf.ui.internal.ShadowComposite;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ApplicationEditor;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ModelComponentEditor;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ModelComponentsEditor;
import org.eclipse.e4.tools.emf.ui.internal.common.component.PartDescriptorEditor;
import org.eclipse.e4.tools.emf.ui.internal.common.component.PartEditor;
import org.eclipse.e4.ui.model.application.MApplicationPackage;
import org.eclipse.e4.ui.model.application.MModelComponent;
import org.eclipse.e4.ui.model.application.MModelComponents;
import org.eclipse.e4.ui.model.application.MPart;
import org.eclipse.emf.databinding.EMFProperties;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider;
import org.eclipse.jface.databinding.viewers.TreeStructureAdvisor;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
public class ModelEditor {
private static final int VIRTUAL_MENU = 1;
private static final int VIRTUAL_PART = 2;
private static final int VIRTUAL_HANDLER = 3;
private static final int VIRTUAL_BINDING = 4;
private Map<EClass, AbstractComponentEditor> editorMap = new HashMap<EClass, AbstractComponentEditor>();
// private List<AbstractComponentEditor> editors = new ArrayList<AbstractComponentEditor>();
private TreeViewer viewer;
private IModelResource modelProvider;
@Inject
public ModelEditor(Composite composite, IModelResource modelProvider) {
this.modelProvider = modelProvider;
registerDefaultEditors();
SashForm form = new SashForm(composite, SWT.HORIZONTAL);
form.setBackground(form.getDisplay().getSystemColor(SWT.COLOR_WHITE));
viewer = createTreeViewerArea(form);
Composite parent = new Composite(form,SWT.NONE);
parent.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
FillLayout l = new FillLayout();
l.marginWidth=5;
parent.setLayout(l);
ShadowComposite editingArea = new ShadowComposite(parent,SWT.NONE);
GridLayout gl = new GridLayout();
gl.marginTop=0;
gl.marginHeight=0;
editingArea.setLayout(gl);
editingArea.setBackgroundMode(SWT.INHERIT_DEFAULT);
editingArea.setData("org.eclipse.e4.ui.css.CssClassName","contentContainer");
Composite headerContainer = new Composite(editingArea,SWT.NONE);
headerContainer.setBackgroundMode(SWT.INHERIT_DEFAULT);
headerContainer.setData("org.eclipse.e4.ui.css.CssClassName", "headerSectionContainer");
headerContainer.setLayout(new GridLayout(2, false));
headerContainer.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
final Label iconLabel = new Label(headerContainer,SWT.NONE);
iconLabel.setLayoutData(new GridData(20, 20));
final Label textLabel = new Label(headerContainer, SWT.NONE);
textLabel.setData("org.eclipse.e4.ui.css.CssClassName", "sectionHeader");
textLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
final Composite contentContainer = new Composite(editingArea,SWT.NONE);
contentContainer.setLayoutData(new GridData(GridData.FILL_BOTH));
final StackLayout layout = new StackLayout();
contentContainer.setLayout(layout);
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
if( ! event.getSelection().isEmpty() ) {
IStructuredSelection s = (IStructuredSelection) event.getSelection();
if( s.getFirstElement() instanceof EObject ) {
EObject obj = (EObject) s.getFirstElement();
AbstractComponentEditor editor = editorMap.get(obj.eClass());
if( editor != null ) {
textLabel.setText(editor.getLabel());
iconLabel.setImage(editor.getImage(iconLabel.getDisplay()));
Composite comp = editor.getEditor(contentContainer, s.getFirstElement());
comp.setBackgroundMode(SWT.INHERIT_DEFAULT);
layout.topControl = comp;
contentContainer.layout(true);
}
}
}
}
});
form.setWeights(new int[] { 1 , 2 });
}
private TreeViewer createTreeViewerArea(Composite parent) {
parent = new Composite(parent,SWT.NONE);
parent.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
FillLayout l = new FillLayout();
l.marginWidth=5;
parent.setLayout(l);
ShadowComposite editingArea = new ShadowComposite(parent,SWT.NONE);
editingArea.setLayout(new FillLayout());
TreeViewer viewer = new TreeViewer(editingArea);
viewer.setLabelProvider(new ComponentLabelProvider());
ObservableListTreeContentProvider contentProvider = new ObservableListTreeContentProvider(
new ObservableFactoryImpl(), new TreeStructureAdvisorImpl());
viewer.setContentProvider(contentProvider);
viewer.setInput(modelProvider.getRoot());
return viewer;
}
private void registerDefaultEditors() {
registerEditor( MApplicationPackage.Literals.APPLICATION, new ApplicationEditor());
registerEditor( MApplicationPackage.Literals.MODEL_COMPONENTS, new ModelComponentsEditor());
registerEditor( MApplicationPackage.Literals.MODEL_COMPONENT, new ModelComponentEditor());
registerEditor( MApplicationPackage.Literals.PART, new PartEditor());
registerEditor( MApplicationPackage.Literals.PART_DESCRIPTOR, new PartDescriptorEditor());
}
public void registerEditor(EClass eClass, AbstractComponentEditor editor) {
editorMap.put(eClass, editor);
}
private static class TreeStructureAdvisorImpl extends TreeStructureAdvisor {
}
private static class ObservableFactoryImpl implements IObservableFactory {
private IListProperty MODEL_COMPONENTS__COMPONENTS = EMFProperties.list(MApplicationPackage.Literals.MODEL_COMPONENTS__COMPONENTS);
private IListProperty MODEL_COMPONENT__CHILDREN = EMFProperties.list(MApplicationPackage.Literals.MODEL_COMPONENT__CHILDREN);
private IListProperty PART__MENUS = EMFProperties.list(MApplicationPackage.Literals.PART__MENUS);
private IListProperty HANDLER_CONTAINER__HANDLERS = EMFProperties.list(MApplicationPackage.Literals.HANDLER_CONTAINER__HANDLERS);
private IListProperty BINDING_CONTAINER__BINDINGS = EMFProperties.list(MApplicationPackage.Literals.BINDING_CONTAINER__BINDINGS);
public IObservable createObservable(Object target) {
if( target instanceof IObservableList ) {
return (IObservable) target;
} else if( target instanceof MModelComponents ) {
return MODEL_COMPONENTS__COMPONENTS.observe(target);
} else if( target instanceof MModelComponent ) {
WritableList list = new WritableList();
list.add(new VirtualEntry<Object>( VIRTUAL_MENU, MODEL_COMPONENT__CHILDREN, target, "Menus") {
@Override
protected boolean accepted(Object o) {
return false;
}
});
list.add(new VirtualEntry<Object>( VIRTUAL_PART, MODEL_COMPONENT__CHILDREN, target, "Parts") {
@Override
protected boolean accepted(Object o) {
return o instanceof MPart;
}
});
return list;
} else if( target instanceof VirtualEntry<?> ) {
return ((VirtualEntry<?>)target).getList();
} else if( target instanceof MPart ) {
WritableList list = new WritableList();
list.add(new VirtualEntry<Object>( VIRTUAL_MENU, PART__MENUS, target, "Menus") {
@Override
protected boolean accepted(Object o) {
return true;
}
});
list.add(new VirtualEntry<Object>( VIRTUAL_HANDLER, HANDLER_CONTAINER__HANDLERS, target, "Handlers") {
@Override
protected boolean accepted(Object o) {
return true;
}
});
list.add(new VirtualEntry<Object>( VIRTUAL_BINDING, BINDING_CONTAINER__BINDINGS, target, "Bindings") {
@Override
protected boolean accepted(Object o) {
return true;
}
});
return list;
}
// TODO Auto-generated method stub
return null;
}
}
}
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