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/*******************************************************************************
* Copyright (c) 2010-2014 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
* Andrej ten Brummelhuis <andrejbrummelhuis@gmail.com> - Bug 395283
******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
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.Messages;
import org.eclipse.e4.tools.emf.ui.internal.PatternFilter;
import org.eclipse.e4.tools.emf.ui.internal.common.ModelEditor;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.MApplicationElement;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.MUILabel;
import org.eclipse.e4.ui.model.application.ui.advanced.MArea;
import org.eclipse.e4.ui.model.application.ui.advanced.MPlaceholder;
import org.eclipse.e4.ui.model.application.ui.advanced.impl.AdvancedPackageImpl;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.model.application.ui.basic.MPartSashContainer;
import org.eclipse.e4.ui.model.application.ui.basic.MPartStack;
import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
import org.eclipse.e4.ui.model.fragment.MModelFragment;
import org.eclipse.e4.ui.model.fragment.MModelFragments;
import org.eclipse.e4.ui.model.fragment.MStringModelFragment;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.SetCommand;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class SharedElementsDialog extends SaveDialogBoundsSettingsDialog {
private TableViewer viewer;
private MPlaceholder placeholder;
private IModelResource resource;
private ModelEditor editor;
private Messages Messages;
public SharedElementsDialog(Shell parentShell, ModelEditor editor, MPlaceholder placeholder, IModelResource resource, Messages Messages) {
super(parentShell);
this.editor = editor;
this.placeholder = placeholder;
this.resource = resource;
this.Messages = Messages;
}
@Override
protected Control createDialogArea(Composite parent) {
Composite comp = (Composite) super.createDialogArea(parent);
getShell().setText(Messages.SharedElementsDialog_ShellTitle);
setTitle(Messages.SharedElementsDialog_Title);
setMessage(Messages.SharedElementsDialog_Message);
Composite container = new Composite(comp, SWT.NONE);
container.setLayout(new GridLayout(2, false));
container.setLayoutData(new GridData(GridData.FILL_BOTH));
Label l = new Label(container, SWT.NONE);
l.setText(Messages.SharedElementsDialog_Name);
Text searchText = new Text(container, SWT.BORDER | SWT.SEARCH | SWT.ICON_SEARCH);
searchText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
l = new Label(container, SWT.NONE);
viewer = new TableViewer(container);
viewer.setContentProvider(new ArrayContentProvider());
viewer.setLabelProvider(new LabelProviderImpl());
viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
viewer.addDoubleClickListener(new IDoubleClickListener() {
@Override
public void doubleClick(DoubleClickEvent event) {
okPressed();
}
});
if (resource.getRoot().get(0) instanceof MApplication) {
List<MUIElement> list = new ArrayList<MUIElement>();
for (MWindow m : ((MApplication) resource.getRoot().get(0)).getChildren()) {
list.addAll(filter(m.getSharedElements()));
}
viewer.setInput(list);
} else if (resource.getRoot().get(0) instanceof MModelFragments) {
List<MApplicationElement> list = new ArrayList<MApplicationElement>();
for (MModelFragment f : ((MModelFragments) resource.getRoot().get(0)).getFragments()) {
if (f instanceof MStringModelFragment) {
if (((MStringModelFragment) f).getFeaturename().equals("sharedElements")) { //$NON-NLS-1$
list.addAll(filter(f.getElements()));
}
}
}
// NEW IMPLEMENTATION:
for (MApplicationElement f : ((MModelFragments) resource.getRoot().get(0)).getImports()) {
// let filter() do its job
list.addAll(filter(Collections.singletonList(f)));
}
viewer.setInput(list);
}
final PatternFilter filter = new PatternFilter() {
@Override
protected boolean isParentMatch(Viewer viewer, Object element) {
return viewer instanceof AbstractTreeViewer && super.isParentMatch(viewer, element);
}
};
viewer.addFilter(filter);
ControlFactory.attachFiltering(searchText, viewer, filter);
return comp;
}
@Override
protected void okPressed() {
if (!viewer.getSelection().isEmpty()) {
IStructuredSelection s = (IStructuredSelection) viewer.getSelection();
Command cmd = SetCommand.create(resource.getEditingDomain(), placeholder, AdvancedPackageImpl.Literals.PLACEHOLDER__REF, s.getFirstElement());
if (cmd.canExecute()) {
resource.getEditingDomain().getCommandStack().execute(cmd);
super.okPressed();
}
}
}
private static <T> List<T> filter(List<T> o) {
List<T> rv = new ArrayList<T>();
for (T i : o) {
if (i instanceof MPart || i instanceof MPartSashContainer || i instanceof MArea || i instanceof MPartStack) {
rv.add(i);
}
}
return rv;
}
private class LabelProviderImpl extends StyledCellLabelProvider implements ILabelProvider {
@Override
public void update(final ViewerCell cell) {
EObject o = (EObject) cell.getElement();
StyledString string = new StyledString(getTypename(o));
if (o instanceof MUILabel) {
string.append(" - " + ((MUILabel) o).getLabel(), StyledString.DECORATIONS_STYLER); //$NON-NLS-1$
}
MApplicationElement el = (MApplicationElement) o;
string.append(" - " + el.getElementId(), StyledString.DECORATIONS_STYLER); //$NON-NLS-1$
cell.setText(string.getString());
cell.setStyleRanges(string.getStyleRanges());
cell.setImage(getImage(o));
}
@Override
public String getText(Object element) {
EObject o = (EObject) element;
MApplicationElement el = (MApplicationElement) o;
if (el instanceof MUILabel) {
MUILabel label = (MUILabel) el;
return getTypename(o) + " - " + el.getElementId() + " - " + label.getLabel(); //$NON-NLS-1$ //$NON-NLS-2$
} else {
return getTypename(o) + " - " + el.getElementId() + " - "; //$NON-NLS-1$ //$NON-NLS-2$
}
}
private String getTypename(EObject o) {
AbstractComponentEditor editor = SharedElementsDialog.this.editor.getEditor((o).eClass());
if (editor != null) {
return editor.getLabel(o);
} else {
return o.eClass().getName();
}
}
@Override
public Image getImage(Object element) {
AbstractComponentEditor editor = SharedElementsDialog.this.editor.getEditor(((EObject) element).eClass());
if (editor != null) {
return editor.getImage(element, getShell().getDisplay());
}
return null;
}
}
}
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