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103 lines
3.2 KiB
Java
103 lines
3.2 KiB
Java
/*
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* Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.sound.sampled;
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/**
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* A {@code CompoundControl}, such as a graphic equalizer, provides control over
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* two or more related properties, each of which is itself represented as a
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* {@code Control}.
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*
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* @author Kara Kytle
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* @since 1.3
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*/
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public abstract class CompoundControl extends Control {
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/**
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* The set of member controls.
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*/
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private final Control[] controls;
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/**
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* Constructs a new compound control object with the given parameters.
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*
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* @param type the type of control represented this compound control object
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* @param memberControls the set of member controls
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*/
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protected CompoundControl(Type type, Control[] memberControls) {
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super(type);
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this.controls = memberControls;
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}
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/**
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* Returns the set of member controls that comprise the compound control.
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*
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* @return the set of member controls
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*/
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public Control[] getMemberControls() {
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return controls.clone();
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}
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/**
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* Provides a string representation of the control.
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*
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* @return a string description
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*/
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < controls.length; i++) {
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if (i != 0) {
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sb.append(", ");
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if ((i + 1) == controls.length) {
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sb.append("and ");
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}
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}
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sb.append(controls[i].getType());
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}
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return new String(getType() + " Control containing " + sb + " Controls.");
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}
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/**
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* An instance of the {@code CompoundControl.Type} inner class identifies
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* one kind of compound control.
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*
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* @author Kara Kytle
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* @since 1.3
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*/
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public static class Type extends Control.Type {
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/**
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* Constructs a new compound control type.
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*
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* @param name the name of the new compound control type
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*/
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protected Type(final String name) {
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super(name);
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}
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}
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}
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