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/*******************************************************************************
* Copyright (c) 2000, 2017 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.custom;
import java.util.function.*;
import org.eclipse.swt.internal.*;
/**
* Classes which implement this interface provide methods
* that deal with the events that are generated by the CTabFolder
* control.
* <p>
* After creating an instance of a class that implements
* this interface it can be added to a CTabFolder using the
* <code>addCTabFolder2Listener</code> method and removed using
* the <code>removeCTabFolder2Listener</code> method. When
* events occurs in a CTabFolder the appropriate method
* will be invoked.
* </p>
*
* @see CTabFolder2Adapter
* @see CTabFolderEvent
*
* @since 3.0
*/
public interface CTabFolder2Listener extends SWTEventListener {
/**
* Sent when the user clicks on the close button of an item in the CTabFolder.
* The item being closed is specified in the event.item field.
* Setting the event.doit field to false will stop the CTabItem from closing.
* When the CTabItem is closed, it is disposed. The contents of the
* CTabItem (see CTabItem.setControl) will be made not visible when
* the CTabItem is closed.
*
* @param event an event indicating the item being closed
*/
public void close(CTabFolderEvent event);
/**
* Sent when the user clicks on the minimize button of a CTabFolder.
* The state of the CTabFolder does not change automatically - it
* is up to the application to change the state of the CTabFolder
* in response to this event using CTabFolder.setMinimized(true).
*
* @param event an event containing information about the minimize
*
* @see CTabFolder#getMinimized()
* @see CTabFolder#setMinimized(boolean)
* @see CTabFolder#setMinimizeVisible(boolean)
*/
public void minimize(CTabFolderEvent event);
/**
* Sent when the user clicks on the maximize button of a CTabFolder.
* The state of the CTabFolder does not change automatically - it
* is up to the application to change the state of the CTabFolder
* in response to this event using CTabFolder.setMaximized(true).
*
* @param event an event containing information about the maximize
*
* @see CTabFolder#getMaximized()
* @see CTabFolder#setMaximized(boolean)
* @see CTabFolder#setMaximizeVisible(boolean)
*/
public void maximize(CTabFolderEvent event);
/**
* Sent when the user clicks on the restore button of a CTabFolder.
* This event is sent either to restore the CTabFolder from the
* minimized state or from the maximized state. To determine
* which restore is requested, use CTabFolder.getMinimized() or
* CTabFolder.getMaximized() to determine the current state.
* The state of the CTabFolder does not change automatically - it
* is up to the application to change the state of the CTabFolder
* in response to this event using CTabFolder.setMaximized(false)
* or CTabFolder.setMinimized(false).
*
* @param event an event containing information about the restore
*
* @see CTabFolder#getMinimized()
* @see CTabFolder#getMaximized()
* @see CTabFolder#setMinimized(boolean)
* @see CTabFolder#setMinimizeVisible(boolean)
* @see CTabFolder#setMaximized(boolean)
* @see CTabFolder#setMaximizeVisible(boolean)
*/
public void restore(CTabFolderEvent event);
/**
* Sent when the user clicks on the chevron button of the CTabFolder.
* A chevron appears in the CTabFolder when there are more tabs
* than can be displayed at the current widget size. To select a
* tab that is not currently visible, the user clicks on the
* chevron and selects a tab item from a list. By default, the
* CTabFolder provides a list of all the items that are not currently
* visible, however, the application can provide its own list by setting
* the event.doit field to <code>false</code> and displaying a selection list.
*
* @param event an event containing information about the show list
*
* @see CTabFolder#setSelection(CTabItem)
*/
public void showList(CTabFolderEvent event);
/**
* Static helper method to create a <code>CTabFolder2Listener</code> for the
* {@link #close(CTabFolderEvent e)}) method, given a lambda expression or a method reference.
*
* @param c the consumer of the event
* @return CTabFolder2Listener
* @since 3.107
*/
public static CTabFolder2Listener closeAdapter(Consumer<CTabFolderEvent> c) {
return new CTabFolder2Adapter() {
@Override
public void close(CTabFolderEvent e) {
c.accept(e);
}
};
}
/**
* Static helper method to create a <code>CTabFolder2Listener</code> for the
* {@link #minimize(CTabFolderEvent e)}) method, given a lambda expression or a method reference.
*
* @param c the consumer of the event
* @return CTabFolder2Listener
* @since 3.107
*/
public static CTabFolder2Listener minimizeAdapter(Consumer<CTabFolderEvent> c) {
return new CTabFolder2Adapter() {
@Override
public void minimize(CTabFolderEvent e) {
c.accept(e);
}
};
}
/**
* Static helper method to create a <code>CTabFolder2Listener</code> for the
* {@link #maximize(CTabFolderEvent e)}) method, given a lambda expression or a method reference.
*
* @param c the consumer of the event
* @return CTabFolder2Listener
* @since 3.107
*/
public static CTabFolder2Listener maximizeAdapter(Consumer<CTabFolderEvent> c) {
return new CTabFolder2Adapter() {
@Override
public void maximize(CTabFolderEvent e) {
c.accept(e);
}
};
}
/**
* Static helper method to create a <code>CTabFolder2Listener</code> for the
* {@link #restore(CTabFolderEvent e)}) method, given a lambda expression or a method reference.
*
* @param c the consumer of the event
* @return CTabFolder2Listener
* @since 3.107
*/
public static CTabFolder2Listener restoreAdapter(Consumer<CTabFolderEvent> c) {
return new CTabFolder2Adapter() {
@Override
public void restore(CTabFolderEvent e) {
c.accept(e);
}
};
}
/**
* Static helper method to create a <code>CTabFolder2Listener</code> for the
* {@link #showList(CTabFolderEvent e)}) method, given a lambda expression or a method reference.
*
* @param c the consumer of the event
* @return CTabFolder2Listener
* @since 3.107
*/
public static CTabFolder2Listener showListAdapter(Consumer<CTabFolderEvent> c) {
return new CTabFolder2Adapter() {
@Override
public void showList(CTabFolderEvent e) {
c.accept(e);
}
};
}
}
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