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Viewing changes to SqueezeCenter/src/RadioItem.cs

  • Committer: Jason Jones
  • Date: 2008-12-24 04:45:02 UTC
  • mfrom: (335.1.9 do-plugins)
  • Revision ID: jasonedwardjones@gmail.com-20081224044502-ra56ym06cp1iqs7t
Merged from trunk.

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SqueezeCenter/src/RadioItem.cs
 
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//  This program is free software: you can redistribute it and/or modify
 
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//  it under the terms of the GNU General Public License as published by
 
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//  the Free Software Foundation, either version 3 of the License, or
 
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//  (at your option) any later version.
 
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//
 
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//  This program is distributed in the hope that it will be useful,
 
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//  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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//  GNU General Public License for more details.
 
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//
 
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//  You should have received a copy of the GNU General Public License
 
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//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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using System;
 
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using System.Collections.Generic;
 
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using Do.Universe;
 
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namespace SqueezeCenter
 
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{
 
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        public abstract class RadioItem : Item
 
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        {
 
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                protected RadioSubItem[] children;
 
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                public virtual RadioSubItem[] Children
 
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                {
 
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                        get { return this.children; }
 
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                        set 
 
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                        {
 
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                                System.Threading.Interlocked.Exchange<RadioSubItem[]> (ref this.children, value);                               
 
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                        }
 
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                }
 
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                public abstract RadioItem Parent {get;}
 
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                public override string Icon
 
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                {
 
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                        get { return "radio.png@" + this.GetType ().Assembly.FullName; }                        
 
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                }               
 
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        }
 
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        public class RadioSuperItem : RadioItem
 
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        {               
 
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                readonly string cmd, name;
 
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                bool childrenSet = false;
 
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                public RadioSuperItem (string cmd, string name)
 
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                {
 
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                        this.cmd = cmd;
 
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                        this.name = name;
 
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                        this.children = new RadioSubItem[0];
 
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                }
 
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                public string Command {
 
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                        get {                           
 
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                                return this.cmd;
 
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                        }
 
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                }
 
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                public override string Name {
 
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                        get {
 
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                                return this.name;
 
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                        }
 
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                }
 
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                public override string Description {
 
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                        get {
 
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                                return "Radio" ;
 
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                        }
 
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                }
 
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                public override RadioSubItem[] Children {
 
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                        get { return base.Children; }
 
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                        set 
 
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                        { 
 
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                                base.Children = value;
 
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                                this.childrenSet = true;
 
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                        }
 
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                }
 
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                public bool IsLoadedRecursive
 
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                {
 
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                        get
 
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                        {
 
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                                if (!this.childrenSet)
 
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                                        return false;
 
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                                foreach (RadioSubItem rmi in this.children) {
 
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                                        if (!rmi.IsLoadedRecursive)
 
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                                                return false;
 
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                                }
 
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                                return true;
 
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                        }
 
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                }
 
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                public override RadioItem Parent
 
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                {
 
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                        get { return null; }
 
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                }
 
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                public RadioSubItem[] GetChildrenRecursive () 
 
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                {
 
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                        List<RadioSubItem> result = new List<RadioSubItem> ();
 
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                        foreach (RadioSubItem rmi in children) {
 
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                                result.Add (rmi);
 
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                                rmi.CopyChildrenRecursive (result);
 
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                        }
 
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                        return result.ToArray ();
 
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                }
 
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        }
 
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        public class RadioSubItem : RadioItem
 
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        {
 
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                readonly int id;
 
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                readonly RadioItem parent;
 
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                readonly string name;
 
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                readonly bool hasItems;
 
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                public RadioSubItem (RadioItem parent, int id, string name, bool hasItems)
 
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                {
 
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                        this.parent = parent;
 
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                        this.id = id;
 
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                        this.name = name;
 
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                        this.hasItems = hasItems;
 
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                        this.children = new RadioSubItem[0];
 
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                }
 
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                public override string Name {
 
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                        get {
 
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                                return this.name;
 
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                        }
 
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                }
 
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                public override string Description {
 
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                        get {
 
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                                RadioItem parent = this.parent;
 
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                                string result = string.Empty;
 
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                                while (parent != null) {
 
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                                        result = parent.Name + (result.Length == 0 ? string.Empty : " → " + result);
 
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                                        parent = parent.Parent;
 
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                                }
 
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                                return result;
 
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                        }
 
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                }
 
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                public override RadioItem Parent
 
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                {
 
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                        get { return this.parent; }
 
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                }
 
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                public int Id
 
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                {
 
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                        get { return this.id; }
 
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                }
 
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                public bool HasItems
 
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                {
 
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                        get { return this.hasItems; }
 
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                }
 
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                public RadioSuperItem GetSuper ()
 
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                {
 
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                        RadioItem r = this;
 
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                        while (r != null) {
 
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                                if (r is RadioSuperItem)
 
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                                        return r as RadioSuperItem;
 
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                                r = r.Parent;
 
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                        }
 
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                        return null;
 
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                }
 
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                public string IdPath
 
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                {
 
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                        get {
 
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                                if (! (this.parent is RadioSubItem)) {                                  
 
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                                        return this.Id.ToString ();
 
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                                }
 
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                                return string.Format ("{0}.{1}", (this.parent as RadioSubItem).IdPath, this.Id);                                
 
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                        }
 
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                }
 
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                public void CopyChildrenRecursive (List<RadioSubItem> target)
 
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                {
 
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                        foreach (RadioSubItem rmi in children) {
 
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                                target.Add (rmi);
 
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                                rmi.CopyChildrenRecursive (target);
 
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                        }
 
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                }
 
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                public bool IsLoadedRecursive
 
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                {
 
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                        get
 
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                        {
 
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                                if (this.hasItems) {                                    
 
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                                        foreach (RadioSubItem rmi in this.children) {
 
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                                                if (!rmi.IsLoadedRecursive) {
 
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                                                        return false;
 
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                                                }
 
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                                        }
 
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                                }
 
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                                return true;
 
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                        }
 
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                }
 
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        }
 
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}