org/jsampler/EffectChain.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2011 Grigor Iliev <grigor@grigoriliev.com>
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */
package org.jsampler;

import java.util.ArrayList;
import java.util.Arrays;

import net.sf.juife.PDUtils;

import org.jsampler.event.EffectChainEvent;
import org.jsampler.event.EffectChainListener;
import org.linuxsampler.lscp.EffectChainInfo;
import org.linuxsampler.lscp.EffectInstanceInfo;


/**
 *
 * @author Grigor Iliev
 */
public class EffectChain {
        private int chainId = -1;
        private final ArrayList<EffectInstance> effectInstances = new ArrayList<EffectInstance>();
        
        private final ArrayList<EffectChainListener> listeners = new ArrayList<EffectChainListener>();
        
        public
        EffectChain(EffectChainInfo chain) {
                setChainId(chain.getChainId());
                
                setEffectInstances(chain);
        }
        
        /**
         * Registers the specified listener to be notified when
         * the settings of the effect chain are changed.
         * @param l The <code>EffectChainListener</code> to register.
         */
        public void
        addEffectChainListener(EffectChainListener l) { listeners.add(l); }
        
        /**
         * Removes the specified listener.
         * @param l The <code>EffectChainListener</code> to remove.
         */
        public void
        removeEffectChainListener(EffectChainListener l) { listeners.remove(l); }
        
        /**
         * Gets the numerical ID of the chain.
         * @return The numerical ID of the chain or -1 if the ID is not set.
         */
        public int
        getChainId() { return chainId; }
        
        /** Sets the numerical ID of the chain. */
        public void
        setChainId(int id) { chainId = id; }
        
        public EffectInstance[]
        getEffectInstances() {
                return effectInstances.toArray(new EffectInstance[0]);
        }
        
        public void
        setEffectInstances(EffectChainInfo chain) {
                effectInstances.clear();
                for(int i = 0; i < chain.getEffectInstanceCount(); i++) {
                        effectInstances.add(new EffectInstance(chain.getEffectInstance(i)));
                }
                fireEffectInstanceListChanged();
                
        }
        
        public int
        getEffectInstanceCount() { return effectInstances.size(); }
        
        public EffectInstance
        getEffectInstance(int idx) { return effectInstances.get(idx); }
        
        public int
        getIndex(int instanceId) {
                for(int i = 0; i < effectInstances.size(); i++) {
                        if(effectInstances.get(i).getInstanceId() == instanceId) {
                                return i;
                        }
                }
                return -1; 
        }
        
        public EffectInstance
        getEffectInstanceById(int instanceId) {
                int idx = getIndex(instanceId);
                if(idx == -1) return null;
                
                return effectInstances.get(idx);
        }
        
        private void
        fireEffectInstanceListChanged() {
                final EffectChainEvent e = new EffectChainEvent(this, this);
                PDUtils.runOnUiThread(new Runnable() {
                        public void
                        run() { fireEffectInstanceListChanged(e); }
                });
        }
        
        /**
         * This method should be invoked from the event-dispatching thread.
         */
        private void
        fireEffectInstanceListChanged(EffectChainEvent e) {
                CC.getSamplerModel().setModified(true);
                for(EffectChainListener l : listeners) l.effectInstanceListChanged(e);
        }
}
1	/*
2	* JSampler - a java front-end for LinuxSampler
3	*
4	* Copyright (C) 2011 Grigor Iliev <grigor@grigoriliev.com>
5	*
6	* This file is part of JSampler.
7	*
8	* JSampler is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License version 2
10	* as published by the Free Software Foundation.
11	*
12	* JSampler is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with JSampler; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20	* MA 02111-1307 USA
21	*/
22	package org.jsampler;
23
24	import java.util.ArrayList;
25	import java.util.Arrays;
26
27	import net.sf.juife.PDUtils;
28
29	import org.jsampler.event.EffectChainEvent;
30	import org.jsampler.event.EffectChainListener;
31	import org.linuxsampler.lscp.EffectChainInfo;
32	import org.linuxsampler.lscp.EffectInstanceInfo;
33
34
35	/**
36	*
37	* @author Grigor Iliev
38	*/
39	public class EffectChain {
40	private int chainId = -1;
41	private final ArrayList<EffectInstance> effectInstances = new ArrayList<EffectInstance>();
42
43	private final ArrayList<EffectChainListener> listeners = new ArrayList<EffectChainListener>();
44
45	public
46	EffectChain(EffectChainInfo chain) {
47	setChainId(chain.getChainId());
48
49	setEffectInstances(chain);
50	}
51
52	/**
53	* Registers the specified listener to be notified when
54	* the settings of the effect chain are changed.
55	* @param l The <code>EffectChainListener</code> to register.
56	*/
57	public void
58	addEffectChainListener(EffectChainListener l) { listeners.add(l); }
59
60	/**
61	* Removes the specified listener.
62	* @param l The <code>EffectChainListener</code> to remove.
63	*/
64	public void
65	removeEffectChainListener(EffectChainListener l) { listeners.remove(l); }
66
67	/**
68	* Gets the numerical ID of the chain.
69	* @return The numerical ID of the chain or -1 if the ID is not set.
70	*/
71	public int
72	getChainId() { return chainId; }
73
74	/** Sets the numerical ID of the chain. */
75	public void
76	setChainId(int id) { chainId = id; }
77
78	public EffectInstance[]
79	getEffectInstances() {
80	return effectInstances.toArray(new EffectInstance[0]);
81	}
82
83	public void
84	setEffectInstances(EffectChainInfo chain) {
85	effectInstances.clear();
86	for(int i = 0; i < chain.getEffectInstanceCount(); i++) {
87	effectInstances.add(new EffectInstance(chain.getEffectInstance(i)));
88	}
89	fireEffectInstanceListChanged();
90
91	}
92
93	public int
94	getEffectInstanceCount() { return effectInstances.size(); }
95
96	public EffectInstance
97	getEffectInstance(int idx) { return effectInstances.get(idx); }
98
99	public int
100	getIndex(int instanceId) {
101	for(int i = 0; i < effectInstances.size(); i++) {
102	if(effectInstances.get(i).getInstanceId() == instanceId) {
103	return i;
104	}
105	}
106	return -1;
107	}
108
109	public EffectInstance
110	getEffectInstanceById(int instanceId) {
111	int idx = getIndex(instanceId);
112	if(idx == -1) return null;
113
114	return effectInstances.get(idx);
115	}
116
117	private void
118	fireEffectInstanceListChanged() {
119	final EffectChainEvent e = new EffectChainEvent(this, this);
120	PDUtils.runOnUiThread(new Runnable() {
121	public void
122	run() { fireEffectInstanceListChanged(e); }
123	});
124	}
125
126	/**
127	* This method should be invoked from the event-dispatching thread.
128	*/
129	private void
130	fireEffectInstanceListChanged(EffectChainEvent e) {
131	CC.getSamplerModel().setModified(true);
132	for(EffectChainListener l : listeners) l.effectInstanceListChanged(e);
133	}
134	}