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 繝ｬ繝ｳ繝?Λ繝ｼ縺ｯ縲∵｡∵焚縺ｮ髟ｷ縺?ョ繝ｼ繧ｿ繧偵さ繝ｳ繝代け繝医↓陦ｨ遉ｺ縺輔○繧?
025     * LABEL 繝ｬ繝ｳ繝?Λ繝ｼ縺ｮ鬘樔ｼｼ繧ｯ繝ｩ繧ｹ縺ｧ縺吶?
026     *
027     * 蜈ｨ隗抵ｼ達yte / 蜊願ｧ偵♀繧医?蜊願ｧ偵き繧ｿ繧ｫ繝翫ｒ ?腺yte 縺ｧ邁｡譏楢ｨ育ｮ励＠縲∵欠螳壹?
028     * 譯∵焚縺ｧ繧ｫ繝?ヨ縺励∪縺吶?
029     * 蛻晄悄蛟､縺ｯ縲?0Byte縺ｧ縲∵｡∵焚縺ｯ縲∬｡ｨ遉ｺ繝代Λ繝｡繝ｼ繧ｿ(RENDERER_PARAM)縺ｧ謖?ｮ壹＠縺ｾ縺吶?
030     * 譁?ｭ励ｒ繧ｫ繝?ヨ縺励◆蝣ｴ蜷医?縲∵怙蠕後↓縲?..縲上ｒ霑ｽ蜉?＠縲√き繝?ヨ蜑阪?譁?ｭ励ｒ title 螻樊?縺ｫ
031     * 險ｭ螳壹☆繧九％縺ｨ縺ｧ縲√?繧ｦ繧ｹ繧偵き繝?ヨ蠕後?譁?ｭ励↓霈峨○繧九→縲√き繝?ヨ蜑阪?蛟､縺後メ繝??陦ｨ遉ｺ
032     * 縺輔ｌ縺ｾ縺吶?
033     * &lt;span title="繧ｫ繝?ヨ蜑阪?蛟､"&gt;繧ｫ繝?ヨ譁?ｭ?..&lt;/span&gt;
034     * 繧ｫ繝?ヨ縺輔ｌ縺ｪ縺九▲縺溷?蜷医?縲∝?縺ｮ譁?ｭ励′縺昴?縺ｾ縺ｾ陦ｨ遉ｺ縺輔ｌ縺ｾ縺吶?
035     *
036     *  繧ｫ繝ｩ繝??陦ｨ遉ｺ縺ｫ蠢?ｦ√↑螻樊?縺ｯ, DBColumn 繧ｪ繝悶ず繧ｧ繧ｯ繝?繧医ｊ蜿悶ｊ蜃ｺ縺励∪縺吶?
037     * 縺薙?繧ｯ繝ｩ繧ｹ縺ｯ縲∬｡ｨ遉ｺ繝代Λ繝｡繝ｼ繧ｿ縺ｫ縺ｪ縺ｫ繧よ欠螳壹＠縺ｪ縺?繝?ヵ繧ｩ繝ｫ繝?蝣ｴ蜷医?縲?
038     * 縺吶∋縺ｦ蜷御ｸ??繧ｪ繝悶ず繧ｧ繧ｯ繝医ｒ霑斐＠縺ｾ縺吶?縺昴ｌ莉･螟悶?縲．BColumn 繧ｪ繝悶ず繧ｧ繧ｯ繝域ｯ弱↓?代▽菴懈?縺輔ｌ縺ｾ縺吶?
039     *
040     * @og.rev 3.5.6.2 (2004/07/05) 譁ｰ隕丈ｽ懈?
041     * @og.group 繝??繧ｿ陦ｨ遉ｺ
042     *
043     * @version  4.0
044     * @author       Kazuhiko Hasegawa
045     * @since    JDK5.0,
046     */
047    public class Renderer_SLABEL extends AbstractRenderer {
048            //* 縺薙?繝励Ο繧ｰ繝ｩ繝??VERSION譁?ｭ怜?繧定ｨｭ螳壹＠縺ｾ縺吶?       {@value} */
049            private static final String VERSION = "4.0.0.0 (2005/08/31)" ;
050    
051            private static final CellRenderer dbCell = new Renderer_SLABEL() ;      // 20Byte縺ｧ繧ｫ繝?ヨ
052            private final int cutSize;
053    
054            /**
055             * 繝?ヵ繧ｩ繝ｫ繝医さ繝ｳ繧ｹ繝医Λ繧ｯ繧ｿ繝ｼ縲?
056             * 縺薙?繧ｳ繝ｳ繧ｹ繝医Λ繧ｯ繧ｿ繝ｼ縺ｧ縲∝渕譛ｬ繧ｪ繝悶ず繧ｧ繧ｯ繝医ｒ菴懈?縺励∪縺吶?
057             *
058             */
059            public Renderer_SLABEL() {
060                    cutSize = 20;
061            }
062    
063            /**
064             * 繝?ヵ繧ｩ繝ｫ繝医さ繝ｳ繧ｹ繝医Λ繧ｯ繧ｿ繝ｼ縲?
065             *
066             * @param       clm     DBColumn繧ｪ繝悶ず繧ｧ繧ｯ繝?
067             */
068            private Renderer_SLABEL( final DBColumn clm ) {
069                    String param = clm.getRendererParam();
070                    cutSize = Integer.parseInt( param );
071            }
072    
073            /**
074             * 蜷?が繝悶ず繧ｧ繧ｯ繝医°繧芽?蛻??繧､繝ｳ繧ｹ繧ｿ繝ｳ繧ｹ繧定ｿ斐＠縺ｾ縺吶?
075             * 閾ｪ蛻??霄ｫ繧偵く繝｣繝?す繝･縺吶ｋ縺ｮ縺九?譁ｰ縺溘↓菴懈?縺吶ｋ縺ｮ縺九?縲∝推繧ｵ繝悶け繝ｩ繧ｹ縺ｮ螳溯｣?↓
076             * 縺ｾ縺九＆繧後∪縺吶?
077             *
078             * @param       clm     DBColumn繧ｪ繝悶ず繧ｧ繧ｯ繝?
079             *
080             * @return      CellRenderer繧ｪ繝悶ず繧ｧ繧ｯ繝?
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             * 繝??繧ｿ縺ｮ陦ｨ遉ｺ逕ｨ譁?ｭ怜?繧定ｿ斐＠縺ｾ縺吶?
095             *
096             * 蜈ｨ隗抵ｼ達yte / 蜊願ｧ偵♀繧医?蜊願ｧ偵き繧ｿ繧ｫ繝翫ｒ ?腺yte 縺ｧ邁｡譏楢ｨ育ｮ励＠縲∵欠螳壹?
097             * 譯∵焚縺ｧ繧ｫ繝?ヨ縺励∪縺吶?
098             * 蛻晄悄蛟､縺ｯ縲?0Byte縺ｧ縲∵｡∵焚縺ｯ縲∬｡ｨ遉ｺ繝代Λ繝｡繝ｼ繧ｿ(RENDERER_PARAM)縺ｧ謖?ｮ壹＠縺ｾ縺吶?
099             *
100             * @param       value 蜈･蜉帛?
101             *
102             * @return      繝??繧ｿ縺ｮ陦ｨ遉ｺ逕ｨ譁?ｭ怜?
103             */
104            @Override
105            public String getValue( final String value ) {
106    
107                    // 邁｡譏鍋噪蜃ｦ逅??縺吶∋縺ｦ縺悟?隗偵〒縺ゅ▲縺ｦ繧ゅ?蛻ｶ髯蝉ｻ･蜀?〒縺ゅｋ縲?
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                    // 豁｣遒ｺ縺ｫ繧ｫ繧ｦ繝ｳ繝医＠縺溽ｵ先棡縲∝宛髯蝉ｻ･蜀?〒縺ゅ▲縺溘◆繧√?
124                    if( adrs==len && byteSize<=cutSize ) {
125                            return value;
126                    }
127                    else if( byteSize>cutSize ) {                // 繧ｪ繝ｼ繝舌?縺励◆蝣ｴ蜷?
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 ) );        // 蛻?ｊ蜃ｺ縺?
136                    buf.append( "...</span>" );
137    
138                    return buf.toString();
139            }
140    }