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QtJambi base module containing QtCore, QtGui and QtWidgets.
/****************************************************************************
**
** Copyright (C) 2009-2024 Dr. Peter Droste, Omix Visualization GmbH & Co. KG. All rights reserved.
**
** This file is part of Qt Jambi.
**
** $BEGIN_LICENSE$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
** $END_LICENSE$
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
package io.qt.core;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import io.qt.QtUninvokable;
/**
* Abstract superclass of sequential containers in Qt.
*/
abstract class AbstractSequentialContainer extends AbstractContainer implements Collection, Cloneable {
/**
* {@inheritDoc}
*/
AbstractSequentialContainer(QPrivateConstructor p) {
super(p);
}
/**
* Creates and returns a copy of this sequential container.
*/
@Override
public abstract AbstractSequentialContainer clone();
/**
* Returns an array containing all of the elements in this container.
*/
@Override
@QtUninvokable
public final Object[] toArray() {
Object[] result = new Object[size()];
int i = 0;
for (T e : this) {
result[i++] = e;
}
return result;
}
/**
* Returns an array containing all of the elements in this container.
*/
@SuppressWarnings("unchecked")
@Override
@QtUninvokable
public final A[] toArray(A[] a) {
if (a.length < size())
a = (A[])Arrays.copyOf(a, size(), a.getClass());
int i = 0;
for (T e : this) {
a[i++] = (A)e;
}
return a;
}
/**
* Returns {@code true} if this container contains all of the elements
* in the specified collection.
*/
@Override
@QtUninvokable
public final boolean containsAll(Collection c) {
boolean result = true;
for (Object object : c) {
result &= contains(object);
}
return result;
}
/**
* Adds all of the elements in the specified collection to this container.
*/
@Override
@QtUninvokable
public boolean addAll(Collection c) {
boolean result = true;
for (T o : c) {
result &= this.add(o);
}
return result;
}
/**
* Removes all of this container elements that are also contained in the
* specified collection.
*/
@Override
@QtUninvokable
public final boolean removeAll(Collection c) {
boolean result = true;
for (Object o : c) {
result &= this.remove(o);
}
return result;
}
/**
* Retains only the elements in this container that are contained in the
* specified collection.
*/
@Override
@QtUninvokable
public boolean retainAll(Collection c) {
List toBeRemoved = new ArrayList<>();
for(T e : this) {
if(!c.contains(e))
toBeRemoved.add(e);
}
if(!toBeRemoved.isEmpty()) {
this.removeAll(toBeRemoved);
}
return !toBeRemoved.isEmpty();
}
/**
* Returns an iterator over elements of type {@code T}.
* @return an Iterator
*/
@Override
@QtUninvokable
public final Iterator iterator() {
return constBegin().toJavaIterator();
}
/**
* Returns a string representation of this sequential container.
* @return String
*/
@QtUninvokable
public String toString() {
Iterator it = iterator();
if (! it.hasNext())
return "[]";
StringBuilder sb = new StringBuilder();
sb.append('[');
for (;;) {
T e = it.next();
sb.append(e == this ? "(this Collection)" : e);
if (! it.hasNext())
return sb.append(']').toString();
sb.append(',').append(' ');
}
}
}