/*******************************************************************************
?*?Copyright?（c）?2011?Google?Inc.
?*?All?rights?reserved.?This?program?and?the?accompanying?materials
?*?are?made?available?under?the?terms?of?the?Eclipse?Public?License?v1.0
?*?which?accompanies?this?distribution?and?is?available?at
?*?http://www.eclipse.org/legal/epl-v10.html
?*
?*?Contributors:
?*????Google?Inc.?-?initial?API?and?implementation
?*******************************************************************************/
package?org.eclipse.wb.swing;

import?java.awt.Component;
import?java.awt.Container;
import?java.awt.FocusTraversalPolicy;

/**
?*?Cyclic?focus?traversal?policy?based?on?array?of?components.
?*?

?*?This?class?may?be?freely?distributed?as?part?of?any?application?or?plugin.
?*?
?*?@author?scheglov_ke
?*/
public?class?FocusTraversalOnArray?extends?FocusTraversalPolicy?{
	private?final?Component?m_Components[];
	////////////////////////////////////////////////////////////////////////////
	//
	//?Constructor
	//
	////////////////////////////////////////////////////////////////////////////
	public?FocusTraversalOnArray（Component?components[]）?{
		m_Components?=?components;
	}
	////////////////////////////////////////////////////////////////////////////
	//
	//?Utilities
	//
	////////////////////////////////////////////////////////////////////////////
	private?int?indexCycle（int?index?int?delta）?{
		int?size?=?m_Components.length;
		int?next?=?（index?+?delta?+?size）?%?size;
		return?next;
	}
	private?Component?cycle（Component?currentComponent?int?delta）?{
		int?index?=?-1;
		loop?:?for?（int?i?=?0;?i?			Component?component?=?m_Components[i];
			for?（Component?c?=?currentComponent;?c?!=?null;?c?=?c.getParent（））?{
				if?（component?==?c）?{
					index?=?i;
					break?loop;
				}
			}
		}
		//?try?to?find?enabled?component?in?“delta“?direction
		int?initialIndex?=?index;
		while?（true）?{
			int?newIndex?=?indexCycle（index?delta）;
			if?（newIndex?==?initialIndex）?{
				break;
			}
			index?=?newIndex;
			//
			Component?component?=?m_Components[newIndex];
			if?（component.isEnabled（）?&&?component.isVisible（）?&&?component.isFocusable（））?{
				return?component;
			}
		}
		//?not?found
		return?currentComponent;
	}
	////////////////////////////////////////////////////////////////////////////
	//
	//?FocusTraversalPolicy
	//
	////////////////////////////////////////////////////////////////////////////
	public?Component?getComponentAfter（Container?container?Component?component）?{
		return?cycle（component?1）;
	}
	public?Component?getComponentBefore（Container?container?Component?component）?{
		return?cycle（component?-1）;
	}
	public?Component?getFirstComponent（Container?container）?{
		return?m_Components[0];
	}
	public?Component?getLastComponent（Container?container）?{
		return?m_Components[m_Components.length?-?1];
	}
	public?Component?getDefaultComponent（Container?container）?{
		return?getFirstComponent（contain

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1254??2017-12-26?14:31??oskeshe\.classpath

?????文件????????383??2017-12-19?09:52??oskeshe\.project

?????文件????????598??2017-11-23?19:16??oskeshe\.settings\org.eclipse.jdt.core.prefs

?????文件???????1988??2018-01-08?15:52??oskeshe\bin\org\eclipse\wb\swing\FocusTraversalOnArray.class

?????文件???????2732??2018-01-08?15:52??oskeshe\bin\wtos\BarChart.class

?????文件????????783??2018-01-08?15:52??oskeshe\bin\wtos\clean.class

?????文件???????1354??2018-01-08?15:52??oskeshe\bin\wtos\os.class

?????文件????????778??2018-01-08?15:52??oskeshe\bin\wtos\oswin$1.class

?????文件???????1013??2018-01-08?15:52??oskeshe\bin\wtos\oswin$10.class

?????文件????????999??2018-01-08?15:52??oskeshe\bin\wtos\oswin$11.class

?????文件????????999??2018-01-08?15:52??oskeshe\bin\wtos\oswin$12.class

?????文件????????954??2018-01-08?15:52??oskeshe\bin\wtos\oswin$13.class

?????文件???????1515??2018-01-08?15:52??oskeshe\bin\wtos\oswin$14.class

?????文件???????1505??2018-01-08?15:52??oskeshe\bin\wtos\oswin$15.class

?????文件????????699??2018-01-08?15:52??oskeshe\bin\wtos\oswin$16.class

?????文件????????702??2018-01-08?15:52??oskeshe\bin\wtos\oswin$17.class

?????文件????????702??2018-01-08?15:52??oskeshe\bin\wtos\oswin$18.class

?????文件????????701??2018-01-08?15:52??oskeshe\bin\wtos\oswin$19.class

?????文件???????1049??2018-01-08?15:52??oskeshe\bin\wtos\oswin$2.class

?????文件????????702??2018-01-08?15:52??oskeshe\bin\wtos\oswin$20.class

?????文件????????701??2018-01-08?15:52??oskeshe\bin\wtos\oswin$21.class

?????文件????????702??2018-01-08?15:52??oskeshe\bin\wtos\oswin$22.class

?????文件????????701??2018-01-08?15:52??oskeshe\bin\wtos\oswin$23.class

?????文件???????1377??2018-01-08?15:52??oskeshe\bin\wtos\oswin$24.class

?????文件???????1392??2018-01-08?15:52??oskeshe\bin\wtos\oswin$3.class

?????文件???????1011??2018-01-08?15:52??oskeshe\bin\wtos\oswin$4.class

?????文件???????1013??2018-01-08?15:52??oskeshe\bin\wtos\oswin$5.class

?????文件????????953??2018-01-08?15:52??oskeshe\bin\wtos\oswin$6.class

?????文件????????996??2018-01-08?15:52??oskeshe\bin\wtos\oswin$7.class

?????文件???????1011??2018-01-08?15:52??oskeshe\bin\wtos\oswin$8.class

............此處省略44個文件信息