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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.component;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.tools.emf.ui.common.IEditorFeature.FeatureClass;
import org.eclipse.e4.tools.emf.ui.common.Util;
import org.eclipse.e4.tools.emf.ui.common.component.AbstractComponentEditor;
import org.eclipse.e4.tools.emf.ui.internal.ResourceProvider;
import org.eclipse.e4.tools.emf.ui.internal.common.ComponentLabelProvider;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory.TextPasteHandler;
import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.FeatureSelectionDialog;
import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.FindParentReferenceElementDialog;
import org.eclipse.e4.tools.emf.ui.internal.common.uistructure.ViewerElement;
import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
import org.eclipse.e4.ui.model.fragment.MModelFragment;
import org.eclipse.e4.ui.model.fragment.MStringModelFragment;
import org.eclipse.e4.ui.model.fragment.impl.FragmentPackageImpl;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.databinding.EMFDataBindingContext;
import org.eclipse.emf.databinding.EMFProperties;
import org.eclipse.emf.databinding.IEMFListProperty;
import org.eclipse.emf.databinding.edit.EMFEditProperties;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.edit.command.AddCommand;
import org.eclipse.emf.edit.command.MoveCommand;
import org.eclipse.emf.edit.command.RemoveCommand;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.databinding.viewers.ObservableListContentProvider;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
public class StringModelFragment extends AbstractComponentEditor {
private Composite composite;
private EMFDataBindingContext context;
private IListProperty MODEL_FRAGMENT__ELEMENTS = EMFProperties.list(FragmentPackageImpl.Literals.MODEL_FRAGMENT__ELEMENTS);
private List<Action> actions = new ArrayList<Action>();
@Inject
IEclipseContext eclipseContext;
@Inject
public StringModelFragment() {
super();
}
@PostConstruct
public void init() {
List<FeatureClass> list = new ArrayList<FeatureClass>();
Util.addClasses(ApplicationPackageImpl.eINSTANCE, list);
list.addAll(getEditor().getFeatureClasses(FragmentPackageImpl.Literals.MODEL_FRAGMENT, FragmentPackageImpl.Literals.MODEL_FRAGMENT__ELEMENTS));
for (final FeatureClass featureClass : list) {
actions.add(new Action(featureClass.label) {
@Override
public void run() {
handleAdd(featureClass.eClass, false);
}
});
}
}
@Override
public Image getImage(Object element, Display display) {
return createImage(ResourceProvider.IMG_StringModelFragment);
}
@Override
public String getLabel(Object element) {
return Messages.StringModelFragment_Label;
}
@Override
public String getDetailLabel(Object element) {
return null;
}
@Override
public String getDescription(Object element) {
return Messages.StringModelFragment_Description;
}
@Override
public Composite doGetEditor(Composite parent, Object object) {
if (composite == null) {
context = new EMFDataBindingContext();
composite = createForm(parent);
}
getMaster().setValue(object);
return composite;
}
private Composite createForm(Composite parent) {
CTabFolder folder = new CTabFolder(parent, SWT.BOTTOM);
CTabItem item = new CTabItem(folder, SWT.NONE);
item.setText(Messages.ModelTooling_Common_TabDefault);
parent = createScrollableContainer(folder);
item.setControl(parent.getParent());
if (getEditor().isShowXMIId() || getEditor().isLiveModel()) {
ControlFactory.createXMIId(parent, this);
}
IWidgetValueProperty textProp = WidgetProperties.text(SWT.Modify);
{
Label l = new Label(parent, SWT.NONE);
l.setText(Messages.StringModelFragment_ParentId);
l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
Composite comp = new Composite(parent, SWT.NONE);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 2;
comp.setLayoutData(gd);
GridLayout gl = new GridLayout(2, false);
gl.marginWidth = gl.marginHeight = 0;
gl.verticalSpacing = 0;
gl.marginLeft = gl.marginBottom = gl.marginRight = gl.marginTop = 0;
comp.setLayout(gl);
Text t = new Text(comp, SWT.BORDER);
TextPasteHandler.createFor(t);
// t.setEditable(false);
gd = new GridData(GridData.FILL_HORIZONTAL);
t.setLayoutData(gd);
context.bindValue(textProp.observeDelayed(200, t), EMFEditProperties.value(getEditingDomain(), FragmentPackageImpl.Literals.STRING_MODEL_FRAGMENT__PARENT_ELEMENT_ID).observeDetail(getMaster()));
final Button b = new Button(comp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.ModelTooling_Common_FindEllipsis);
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
FindParentReferenceElementDialog dialog = new FindParentReferenceElementDialog(b.getShell(), StringModelFragment.this, (MStringModelFragment) getMaster().getValue(), Messages);
dialog.open();
}
});
}
{
Label l = new Label(parent, SWT.NONE);
l.setText(Messages.StringModelFragment_Featurename);
l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
Composite comp = new Composite(parent, SWT.NONE);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 2;
comp.setLayoutData(gd);
GridLayout gl = new GridLayout(2, false);
gl.marginWidth = gl.marginHeight = 0;
gl.verticalSpacing = 0;
gl.marginLeft = gl.marginBottom = gl.marginRight = gl.marginTop = 0;
comp.setLayout(gl);
Text t = new Text(comp, SWT.BORDER);
TextPasteHandler.createFor(t);
gd = new GridData(GridData.FILL_HORIZONTAL);
t.setLayoutData(gd);
context.bindValue(textProp.observeDelayed(200, t), EMFEditProperties.value(getEditingDomain(), FragmentPackageImpl.Literals.STRING_MODEL_FRAGMENT__FEATURENAME).observeDetail(getMaster()));
final Button button = new Button(comp, SWT.PUSH | SWT.FLAT);
button.setText(Messages.ModelTooling_Common_FindEllipsis);
button.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
FeatureSelectionDialog dialog = new FeatureSelectionDialog(button.getShell(), getEditingDomain(), (MStringModelFragment) getMaster().getValue(), Messages);
dialog.open();
}
});
}
ControlFactory.createTextField(parent, Messages.StringModelFragment_PositionInList, getMaster(), context, textProp, EMFEditProperties.value(getEditingDomain(), FragmentPackageImpl.Literals.STRING_MODEL_FRAGMENT__POSITION_IN_LIST));
// ------------------------------------------------------------
{
final ViewerElement tableElement = ViewerElement.create(eclipseContext, parent, this);
tableElement.getViewer().setContentProvider(new ObservableListContentProvider());
tableElement.getViewer().setLabelProvider(new ComponentLabelProvider(getEditor(), Messages));
tableElement.getDropDown().setContentProvider(new ArrayContentProvider());
tableElement.getDropDown().setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
FeatureClass eclass = (FeatureClass) element;
return eclass.label;
}
});
tableElement.getDropDown().setComparator(new ViewerComparator() {
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
FeatureClass eClass1 = (FeatureClass) e1;
FeatureClass eClass2 = (FeatureClass) e2;
return eClass1.label.compareTo(eClass2.label);
}
});
tableElement.getDropDown().setContentProvider(new ArrayContentProvider());
tableElement.getDropDown().setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
FeatureClass eclass = (FeatureClass) element;
return eclass.label;
}
});
tableElement.getDropDown().setComparator(new ViewerComparator() {
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
FeatureClass eClass1 = (FeatureClass) e1;
FeatureClass eClass2 = (FeatureClass) e2;
return eClass1.label.compareTo(eClass2.label);
}
});
tableElement.getButtonAdd().addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
EClass eClass = ((FeatureClass) ((IStructuredSelection) tableElement.getDropDown().getSelection()).getFirstElement()).eClass;
EObject eObject = EcoreUtil.create(eClass);
setElementId(eObject);
Command cmd = AddCommand.create(getEditingDomain(), getMaster().getValue(), FragmentPackageImpl.Literals.MODEL_FRAGMENT__ELEMENTS, eObject);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
getEditor().setSelection(eObject);
}
}
});
tableElement.getButtonRemove().addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!tableElement.getViewer().getSelection().isEmpty()) {
List<?> elements = ((IStructuredSelection) tableElement.getViewer().getSelection()).toList();
Command cmd = RemoveCommand.create(getEditingDomain(), getMaster().getValue(), FragmentPackageImpl.Literals.MODEL_FRAGMENT__ELEMENTS, elements);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
}
}
}
});
tableElement.getButtonDown().addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!tableElement.getViewer().getSelection().isEmpty()) {
IStructuredSelection s = (IStructuredSelection) tableElement.getViewer().getSelection();
if (s.size() == 1) {
Object obj = s.getFirstElement();
MModelFragment container = (MModelFragment) getMaster().getValue();
int idx = container.getElements().indexOf(obj) + 1;
if (idx < container.getElements().size()) {
Command cmd = MoveCommand.create(getEditingDomain(), getMaster().getValue(), FragmentPackageImpl.Literals.MODEL_FRAGMENT__ELEMENTS, obj, idx);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
tableElement.getViewer().setSelection(new StructuredSelection(obj));
}
}
}
}
}
});
tableElement.getButtonUp().addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!tableElement.getViewer().getSelection().isEmpty()) {
IStructuredSelection s = (IStructuredSelection) tableElement.getViewer().getSelection();
if (s.size() == 1) {
Object obj = s.getFirstElement();
MModelFragment container = (MModelFragment) getMaster().getValue();
int idx = container.getElements().indexOf(obj) - 1;
if (idx >= 0) {
Command cmd = MoveCommand.create(getEditingDomain(), getMaster().getValue(), FragmentPackageImpl.Literals.MODEL_FRAGMENT__ELEMENTS, obj, idx);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
tableElement.getViewer().setSelection(new StructuredSelection(obj));
}
}
}
}
}
});
List<FeatureClass> list = new ArrayList<FeatureClass>();
Util.addClasses(ApplicationPackageImpl.eINSTANCE, list);
list.addAll(getEditor().getFeatureClasses(FragmentPackageImpl.Literals.MODEL_FRAGMENT, FragmentPackageImpl.Literals.MODEL_FRAGMENT__ELEMENTS));
tableElement.getDropDown().setInput(list);
tableElement.getDropDown().getCombo().select(0);
IEMFListProperty prop = EMFProperties.list(FragmentPackageImpl.Literals.MODEL_FRAGMENT__ELEMENTS);
tableElement.getViewer().setInput(prop.observeDetail(getMaster()));
}
createContributedEditorTabs(folder, context, getMaster(), MStringModelFragment.class);
folder.setSelection(0);
return folder;
}
public void dispose() {
if (composite != null) {
composite.dispose();
composite = null;
}
if (context != null) {
context.dispose();
context = null;
}
}
@Override
public IObservableList getChildList(Object element) {
return MODEL_FRAGMENT__ELEMENTS.observe(element);
}
protected void handleAdd(EClass eClass, boolean separator) {
EObject eObject = EcoreUtil.create(eClass);
setElementId(eObject);
Command cmd = AddCommand.create(getEditingDomain(), getMaster().getValue(), FragmentPackageImpl.Literals.MODEL_FRAGMENT__ELEMENTS, eObject);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
getEditor().setSelection(eObject);
}
}
@Override
public List<Action> getActions(Object element) {
ArrayList<Action> l = new ArrayList<Action>(super.getActions(element));
l.addAll(actions);
Collections.sort(l, new Comparator<Action>() {
@Override
public int compare(Action o1, Action o2) {
return o1.getText().compareTo(o2.getText());
}
});
return l;
}
}
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