/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.uberfire.client.workbench.panels.impl;
import java.util.Collection;
import javax.enterprise.context.Dependent;
import javax.inject.Inject;
import javax.inject.Named;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.LayoutPanel;
import com.google.gwt.user.client.ui.SplitLayoutPanel;
import com.google.gwt.user.client.ui.Widget;
import org.uberfire.client.mvp.PlaceManager;
import org.uberfire.client.workbench.LayoutSelection;
import org.uberfire.client.workbench.panels.WorkbenchPanelView;
import org.uberfire.client.workbench.part.WorkbenchPartPresenter;
import org.uberfire.commons.data.Pair;
import org.uberfire.workbench.model.CompassPosition;
import org.uberfire.workbench.model.PanelDefinition;
import org.uberfire.workbench.model.PartDefinition;
import org.uberfire.workbench.model.Position;
import static org.uberfire.plugin.PluginUtil.ensureIterable;
/**
* Corresponding view to {@link SplitLayoutPanelPresenter}. Only supports panels, not parts.
* Enforces lifecycle callbacks on center parts.
* <p>
* Since this panel cannot hold parts, it also does not support drag-and-drop of parts.
*/
@Dependent
@Named("SplitLayoutPanelView")
public class SplitLayoutPanelView implements WorkbenchPanelView<SplitLayoutPanelPresenter> {
private final SplitLayoutPanel layout;
private final LayoutPanel centerPanel;
private final LayoutPanel westPanel;
@Inject
PlaceManager placeManager;
private SplitLayoutPanelPresenter presenter;
private Pair<PanelDefinition, Widget> activePanel;
@Inject
private LayoutSelection layoutSelection;
public SplitLayoutPanelView() {
layout = new SplitLayoutPanel(2);
centerPanel = new LayoutPanel();
westPanel = new LayoutPanel();
// TODO (hbraun): the actual width should become meta data. i.e. passed through the position object
layout.addWest(westPanel,
217);
layout.add(centerPanel);
}
@Override
public void addPanel(PanelDefinition panel,
WorkbenchPanelView view,
Position position) {
if (CompassPosition.WEST.equals(position)) {
Widget widget = view.asWidget();
widget.addStyleName("split-west"); // HAL specific
westPanel.add(widget);
} else if (CompassPosition.CENTER.equals(position)) {
if (activePanel != null) {
// close active parts of current panel
for (PartDefinition part : ensureIterable(activePanel.getK1().getParts())) {
placeManager.closePlace(part.getPlace());
}
}
Widget widget = view.asWidget();
widget.addStyleName("split-center"); // HAL specific
centerPanel.clear();
centerPanel.add(widget);
activePanel = new Pair<PanelDefinition, Widget>(panel,
widget);
} else {
throw new IllegalArgumentException("Unsupported position directive: " + position);
}
}
@Override
public boolean removePanel(WorkbenchPanelView<?> child) {
return westPanel.remove(child) || centerPanel.remove(child);
}
@Override
public Widget asWidget() {
return layout;
}
@Override
public void init(final SplitLayoutPanelPresenter presenter) {
this.presenter = presenter;
}
@Override
public SplitLayoutPanelPresenter getPresenter() {
return this.presenter;
}
@Override
public void addPart(final WorkbenchPartPresenter.View view) {
throw new IllegalArgumentException("Presenter doesn't manage parts!");
}
@Override
public boolean removePart(final PartDefinition part) {
throw new IllegalArgumentException("Presenter doesn't manage parts!");
}
@Override
public boolean selectPart(final PartDefinition part) {
throw new IllegalArgumentException("Presenter doesn't manage parts!");
}
@Override
public Collection<PartDefinition> getParts() {
throw new IllegalArgumentException("Presenter doesn't manage parts!");
}
@Override
public Widget getPartDropRegion() {
return null;
}
@Override
public void setFocus(boolean hasFocus) {
}
@Override
public void onResize() {
// noop
}
@Override
public void changeTitle(final PartDefinition part,
final String title,
final IsWidget titleDecoration) {
// noop
}
@Override
public void setElementId(String elementId) {
if (elementId == null) {
asWidget().getElement().removeAttribute("id");
} else {
asWidget().getElement().setAttribute("id",
elementId);
}
}
@Override
public void maximize() {
layoutSelection.get().maximize(asWidget());
}
@Override
public void unmaximize() {
layoutSelection.get().unmaximize(asWidget());
}
}