/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.part.editor.multipart;
import com.google.common.collect.BiMap;
import com.google.common.collect.HashBiMap;
import com.google.gwt.dom.client.Style;
import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.LayoutPanel;
import com.google.gwt.user.client.ui.ResizeComposite;
import com.google.inject.Inject;
import org.eclipse.che.ide.api.constraints.Constraints;
import org.eclipse.che.ide.api.parts.EditorMultiPartStackState;
import org.eclipse.che.ide.api.parts.EditorPartStack;
import org.eclipse.che.ide.part.editor.EmptyEditorsPanel;
import org.eclipse.che.ide.util.loging.Log;
import javax.validation.constraints.NotNull;
import static com.google.gwt.dom.client.Style.Unit.PCT;
/**
* @author Roman Nikitenko
*/
public class EditorMultiPartStackViewImpl extends ResizeComposite implements EditorMultiPartStackView {
private LayoutPanel contentPanel;
private final BiMap<EditorPartStack, SplitEditorPartView> splitEditorParts;
private final SplitEditorPartViewFactory splitEditorPartViewFactory;
private final EmptyEditorsPanel emptyEditorsPanel;
private SplitEditorPartView rootView;
@Inject
public EditorMultiPartStackViewImpl(SplitEditorPartViewFactory splitEditorPartViewFactory, EmptyEditorsPanel emptyEditorsPanel) {
this.splitEditorPartViewFactory = splitEditorPartViewFactory;
this.emptyEditorsPanel = emptyEditorsPanel;
this.splitEditorParts = HashBiMap.create();
contentPanel = new LayoutPanel();
contentPanel.setSize("100%", "100%");
contentPanel.ensureDebugId("editorMultiPartStack-contentPanel");
initWidget(contentPanel);
contentPanel.add(emptyEditorsPanel);
}
@Override
public void addPartStack(@NotNull final EditorPartStack partStack, final EditorPartStack relativePartStack,
final Constraints constraints, final double size) {
AcceptsOneWidget partViewContainer = new AcceptsOneWidget() {
@Override
public void setWidget(IsWidget widget) {
if (relativePartStack == null) {
rootView = splitEditorPartViewFactory.create(widget);
splitEditorParts.put(partStack, rootView);
contentPanel.remove(emptyEditorsPanel);
contentPanel.add(rootView);
return;
}
SplitEditorPartView relativePartStackView = splitEditorParts.get(relativePartStack);
if (relativePartStackView == null) {
Log.error(getClass(), "Can not find container for specified editor");
return;
}
relativePartStackView.split(widget, constraints.direction, size);
splitEditorParts.put(partStack, relativePartStackView.getReplica());
splitEditorParts.put(relativePartStack, relativePartStackView.getSpecimen());
}
};
partStack.go(partViewContainer);
}
@Override
public void removePartStack(@NotNull EditorPartStack partStack) {
SplitEditorPartView splitEditorPartView = splitEditorParts.remove(partStack);
if (splitEditorPartView != null) {
splitEditorPartView.removeFromParent();
}
if (splitEditorParts.size() == 0) {
contentPanel.add(emptyEditorsPanel);
}
}
@Override
public EditorMultiPartStackState getState() {
if (rootView == null) {
return null;
}
return rootView.getState(splitEditorParts.inverse());
}
@Override
protected void onAttach() {
super.onAttach();
Style style = getElement().getParentElement().getStyle();
style.setHeight(100, PCT);
style.setWidth(100, PCT);
}
}