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gnosygnu_xowa/100_core/src_200_io/gplx/ios/IoItmList.java

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3.1 KiB

/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.ios; import gplx.*;
import gplx.lists.*; /*Ordered_hash_base*/
public class IoItmList extends Ordered_hash_base {
public boolean Has(Io_url url) {return Has_base(MakeKey(url));}
public void Add(IoItm_base itm) {
if (ownerDir != null) itm.OwnerDir_set(ownerDir);
Add_base(MakeKey(itm.Url()), itm);
}
public void Del(Io_url url) {
String key = MakeKey(url);
IoItm_base itm = IoItm_base_.as_(Fetch_base(key)); if (itm == null) return;
itm.OwnerDir_set(null);
super.Del(key);
}
public Io_url[] XtoIoUrlAry() {
int count = this.Count();
Io_url[] rv = new Io_url[count];
for (int i = 0; i < count; i++)
rv[i] = IoItm_base_.as_(i).Url();
return rv;
}
@Override public void Sort() {Sort_by(IoItmBase_comparer_nest.Instance);}
@Override protected Object Fetch_base(Object keyObj) {
String key = MakeKey((String)keyObj);
return super.Fetch_base(key);
}
@Override public void Del(Object keyObj) {
String key = MakeKey((String)keyObj);
super.Del(key);
}
String MakeKey(Io_url url) {
String itmName = url.Type_dir() ? url.NameOnly() : url.NameAndExt();
return MakeKey(itmName);
}
String MakeKey(String s) {
return caseSensitive ? s : String_.Lower(s);
}
IoItmDir ownerDir; boolean caseSensitive;
@gplx.Internal protected static IoItmList new_(IoItmDir v, boolean caseSensitive) {
IoItmList rv = new IoItmList();
rv.ownerDir = v; rv.caseSensitive = caseSensitive;
return rv;
}
@gplx.Internal protected static IoItmList list_(boolean caseSensitive) {return new_(null, caseSensitive);}
}
class IoItmBase_comparer_nest implements ComparerAble {
public int compare(Object lhsObj, Object rhsObj) {
IoItm_base lhsItm = (IoItm_base)lhsObj, rhsItm = (IoItm_base)rhsObj;
Io_url lhsUrl = lhsItm.Url(), rhsUrl = rhsItm.Url();
return String_.Eq(lhsUrl.OwnerDir().Raw(), rhsUrl.OwnerDir().Raw()) // is same dir
? CompareAble_.Compare_obj(lhsUrl.NameAndExt(), rhsUrl.NameAndExt()) // same dir: compare name
: CompareAble_.Compare_obj(DepthOf(lhsItm), DepthOf(rhsItm)); // diff dir: compare by depth; ex: c:\fil.txt < c:\dir\fil.txt
}
int DepthOf(IoItm_base itm) {
Io_url url = itm.Url();
return String_.Count(url.OwnerDir().Raw(), url.Info().DirSpr()); // use OwnerDir, else dir.Raw will return extra dirSeparator
}
public static final IoItmBase_comparer_nest Instance = new IoItmBase_comparer_nest(); IoItmBase_comparer_nest() {}
}