001 /*
002 * Copyright (c) 2009 The openGion Project.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
013 * either express or implied. See the License for the specific language
014 * governing permissions and limitations under the License.
015 */
016 package org.opengion.plugin.column;
017
018 import org.opengion.hayabusa.common.HybsSystem;
019 import org.opengion.hayabusa.db.AbstractRenderer;
020 import org.opengion.hayabusa.db.CellRenderer;
021 import org.opengion.hayabusa.db.DBColumn;
022
023 /**
024 * SLABEL レンãƒ?ƒ©ãƒ¼ã¯ã€æ¡æ•°ã®é•·ã?ƒ‡ãƒ¼ã‚¿ã‚’コンパクトã«è¡¨ç¤ºã•ã›ã‚?
025 * LABEL レンãƒ?ƒ©ãƒ¼ã®é¡žä¼¼ã‚¯ãƒ©ã‚¹ã§ã™ã?
026 *
027 * 全角2Byte / åŠè§’ãŠã‚ˆã?åŠè§’カタカナを ?‘Byte ã§ç°¡æ˜“計算ã—ã€æŒ‡å®šã?
028 * æ¡æ•°ã§ã‚«ãƒ?ƒˆã—ã¾ã™ã?
029 * åˆæœŸå€¤ã¯ã€?0Byteã§ã€æ¡æ•°ã¯ã€è¡¨ç¤ºãƒ‘ラメータ(RENDERER_PARAM)ã§æŒ?®šã—ã¾ã™ã?
030 * æ–?—ã‚’ã‚«ãƒ?ƒˆã—ãŸå ´åˆã?ã€æœ€å¾Œã«ã€?..ã€ã‚’追åŠ?—ã€ã‚«ãƒ?ƒˆå‰ã?æ–?—ã‚’ title 属æ?ã«
031 * è¨å®šã™ã‚‹ã“ã¨ã§ã€ã?ウスをカãƒ?ƒˆå¾Œã?æ–?—ã«è¼‰ã›ã‚‹ã¨ã€ã‚«ãƒ?ƒˆå‰ã?値ãŒãƒãƒ??表示
032 * ã•れã¾ã™ã?
033 * <span title="ã‚«ãƒ?ƒˆå‰ã?値">ã‚«ãƒ?ƒˆæ–??..</span>
034 * ã‚«ãƒ?ƒˆã•れãªã‹ã£ãŸå?åˆã?ã€å?ã®æ–?—ãŒãã?ã¾ã¾è¡¨ç¤ºã•れã¾ã™ã?
035 *
036 * カラãƒ??表示ã«å¿?¦ãªå±žæ?ã¯, DBColumn オブジェクãƒ?よりå–り出ã—ã¾ã™ã?
037 * ã“ã?クラスã¯ã€è¡¨ç¤ºãƒ‘ラメータã«ãªã«ã‚‚指定ã—ãªã?ãƒ?ƒ•ォルãƒ?å ´åˆã?ã€?
038 * ã™ã¹ã¦åŒä¸??オブジェクトを返ã—ã¾ã™ã?ãれ以外ã?ã€DBColumn オブジェクト毎ã«?‘ã¤ä½œæ?ã•れã¾ã™ã?
039 *
040 * @og.rev 3.5.6.2 (2004/07/05) æ–°è¦ä½œæ?
041 * @og.group �?タ表示
042 *
043 * @version 4.0
044 * @author Kazuhiko Hasegawa
045 * @since JDK5.0,
046 */
047 public class Renderer_SLABEL extends AbstractRenderer {
048 //* ã“ã?プãƒã‚°ãƒ©ãƒ??VERSIONæ–?—å?ã‚’è¨å®šã—ã¾ã™ã? {@value} */
049 private static final String VERSION = "4.0.0.0 (2005/08/31)" ;
050
051 private static final CellRenderer dbCell = new Renderer_SLABEL() ; // 20Byteã§ã‚«ãƒ?ƒˆ
052 private final int cutSize;
053
054 /**
055 * ãƒ?ƒ•ォルトコンストラクターã€?
056 * ã“ã?コンストラクターã§ã€åŸºæœ¬ã‚ªãƒ–ジェクトを作æ?ã—ã¾ã™ã?
057 *
058 */
059 public Renderer_SLABEL() {
060 cutSize = 20;
061 }
062
063 /**
064 * ãƒ?ƒ•ォルトコンストラクターã€?
065 *
066 * @param clm DBColumnオブジェク�
067 */
068 private Renderer_SLABEL( final DBColumn clm ) {
069 String param = clm.getRendererParam();
070 cutSize = Integer.parseInt( param );
071 }
072
073 /**
074 * å?‚ªãƒ–ジェクトã‹ã‚‰è?åˆ??インスタンスを返ã—ã¾ã™ã?
075 * 自åˆ??身をã‚ャãƒ?‚·ãƒ¥ã™ã‚‹ã®ã‹ã?æ–°ãŸã«ä½œæ?ã™ã‚‹ã®ã‹ã?ã€å„サブクラスã®å®Ÿè£?«
076 * ã¾ã‹ã•れã¾ã™ã?
077 *
078 * @param clm DBColumnオブジェク�
079 *
080 * @return CellRendererオブジェク�
081 */
082 public CellRenderer newInstance( final DBColumn clm ) {
083 String param = clm.getRendererParam();
084
085 if( param != null && param.length() > 0 ) {
086 return new Renderer_SLABEL( clm );
087 }
088 else {
089 return dbCell;
090 }
091 }
092
093 /**
094 * ãƒ??ã‚¿ã®è¡¨ç¤ºç”¨æ–?—å?ã‚’è¿”ã—ã¾ã™ã?
095 *
096 * 全角2Byte / åŠè§’ãŠã‚ˆã?åŠè§’カタカナを ?‘Byte ã§ç°¡æ˜“計算ã—ã€æŒ‡å®šã?
097 * æ¡æ•°ã§ã‚«ãƒ?ƒˆã—ã¾ã™ã?
098 * åˆæœŸå€¤ã¯ã€?0Byteã§ã€æ¡æ•°ã¯ã€è¡¨ç¤ºãƒ‘ラメータ(RENDERER_PARAM)ã§æŒ?®šã—ã¾ã™ã?
099 *
100 * @param value 入力å?
101 *
102 * @return ãƒ??ã‚¿ã®è¡¨ç¤ºç”¨æ–?—å?
103 */
104 @Override
105 public String getValue( final String value ) {
106
107 // 簡易的処ç??ã™ã¹ã¦ãŒå?è§’ã§ã‚ã£ã¦ã‚‚ã?制é™ä»¥å†?§ã‚ã‚‹ã€?
108 int len = value.length();
109 if( len*2 <= cutSize ) { return value; }
110
111 int byteSize = 0;
112 int adrs;
113 for( adrs=0; adrs<len && byteSize<cutSize ; adrs++ ) {
114 char ch = value.charAt(adrs);
115 if( ch <= 0x7f || ( ch >= 0xff61 && ch <= 0xff9f ) ) {
116 byteSize ++;
117 }
118 else {
119 byteSize +=2;
120 }
121 }
122
123 // æ£ç¢ºã«ã‚«ã‚¦ãƒ³ãƒˆã—ãŸçµæžœã€åˆ¶é™ä»¥å†?§ã‚ã£ãŸãŸã‚ã?
124 if( adrs==len && byteSize<=cutSize ) {
125 return value;
126 }
127 else if( byteSize>cutSize ) { // オーãƒã?ã—ãŸå ´å?
128 adrs-- ;
129 }
130
131 StringBuilder buf = new StringBuilder( HybsSystem.BUFFER_SMALL );
132 buf.append( "<span title=\"" );
133 buf.append( value );
134 buf.append( "\">" );
135 buf.append( value.substring( 0,adrs ) ); // åˆ?‚Šå‡ºã?
136 buf.append( "...</span>" );
137
138 return buf.toString();
139 }
140 }