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141 lines
2.7 KiB
141 lines
2.7 KiB
/*
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* Copyright (c) 1999, 2003, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package javax.sound.sampled;
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/**
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* A <code>CompoundControl</code>, such as a graphic equalizer, provides control
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* over two or more related properties, each of which is itself represented as
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* a <code>Control</code>.
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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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// TYPE DEFINES
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// INSTANCE VARIABLES
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/**
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* The set of member controls.
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*/
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private Control[] controls;
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// CONSTRUCTORS
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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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// METHODS
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/**
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* Returns the set of member controls that comprise the compound control.
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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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Control[] localArray = new Control[controls.length];
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for (int i = 0; i < controls.length; i++) {
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localArray[i] = controls[i];
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}
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return localArray;
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}
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// ABSTRACT METHOD IMPLEMENTATIONS: CONTROL
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/**
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* Provides a string representation of the control
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* @return a string description
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*/
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public String toString() {
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StringBuffer buf = new StringBuffer();
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for (int i = 0; i < controls.length; i++) {
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if (i != 0) {
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buf.append(", ");
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if ((i + 1) == controls.length) {
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buf.append("and ");
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}
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}
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buf.append(controls[i].getType());
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}
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return new String(getType() + " Control containing " + buf + " Controls.");
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}
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// INNER CLASSES
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/**
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* An instance of the <code>CompoundControl.Type</code> inner class identifies one kind of
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* compound control. Static instances are provided for the
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* common types.
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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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// TYPE DEFINES
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// CONSTRUCTOR
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/**
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* Constructs a new compound control type.
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* @param name the name of the new compound control type
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*/
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protected Type(String name) {
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super(name);
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}
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} // class Type
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} // class CompoundControl
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