/*******************************************************************************
* 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.ui.multisplitpanel;
import com.google.gwt.user.client.ui.IsWidget;
import org.eclipse.che.commons.annotation.Nullable;
import org.eclipse.che.ide.ui.multisplitpanel.panel.SubPanelView;
import java.util.List;
/**
* A panel that represents a tabbed set of pages, each of which contains another
* widget. Its child widgets are shown as the user selects the various tabs
* associated with them.
* <p>
* A panel may be split on two sub-panels vertically or horizontally.
* Each sub-panel may be closed.
* <p>
* {@link SubPanelFactory#newPanel()} should be used
* in order to create new {@link SubPanel}.
*
* @author Artem Zatsarynnyi
*/
public interface SubPanel {
/** Returns the panel's view. */
SubPanelView getView();
/** Split this panel horizontally on two sub-panels. */
void splitHorizontally();
/** Split this panel vertically on two sub-panels. */
void splitVertically();
/**
* Add the given {@code widget} to this panel.
*
* @param widget
* widget to add
* @param removable
* whether the {@code widget} may be removed by user from UI
* @param widgetRemovingListener
* listener to be notified when the specified {@code widget}
* is going to be removed from the panel
*/
void addWidget(WidgetToShow widget, boolean removable, @Nullable WidgetRemovingListener widgetRemovingListener);
/** Show (activate) the {@code widget} if it exists on this panel. */
void activateWidget(WidgetToShow widget);
/** Returns list of all widgets added to the panel. */
List<WidgetToShow> getAllWidgets();
/**
* Remove the given {@code widget} from this panel.
*
* @param widget
* widget to remove
*/
void removeWidget(WidgetToShow widget);
/** Close this panel. Note that each widget will be removed from the panel before it close. */
void closePane();
/**
* Set the listener to be notified when some widget on
* this panel or on any child sub-panel gains the focus.
*/
void setFocusListener(FocusListener listener);
/**
* Set the listener to be notified when some widget on
* this panel or on any child sub-panel has been double clicked.
*/
void setDoubleClickListener(DoubleClickListener listener);
interface WidgetRemovingListener {
/** Invoked when a widget is going to be removed. */
void onWidgetRemoving(RemoveCallback removeCallback);
}
/** Callback that may be used for actual removing widget. */
interface RemoveCallback {
/** Tells panel to remove widget. */
void remove();
}
interface FocusListener {
/** Invoked when a {@code widget} on a {@code panel} gains the focus. */
void focusGained(SubPanel panel, IsWidget widget);
}
interface DoubleClickListener {
/** Invoked when a {@code widget} on a {@code panel} has been double clicked. */
void onDoubleClicked(SubPanel panel, IsWidget widget);
}
}