mirror of https://github.com/apache/lucene.git
Use <span> instead of <font> (as in GradientFormatter) to keep Mozilla happy.
git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@151029 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
parent
d5fe240da1
commit
613414de82
|
@ -0,0 +1,78 @@
|
|||
package org.apache.lucene.search.highlight;
|
||||
/**
|
||||
* Copyright 2002-2004 The Apache Software Foundation
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* Formats text with different color intensity depending on the score of the
|
||||
* term using the span tag. GradientFormatter uses a bgcolor argument to the font tag which
|
||||
* doesn't work in Mozilla, thus this class.
|
||||
*
|
||||
* @see GradientFormatter
|
||||
* @author David Spencer dave@searchmorph.com
|
||||
*/
|
||||
|
||||
import org.apache.lucene.search.highlight.*;
|
||||
|
||||
public class SpanGradientFormatter
|
||||
extends GradientFormatter
|
||||
{
|
||||
public SpanGradientFormatter(float maxScore, String minForegroundColor,
|
||||
String maxForegroundColor, String minBackgroundColor,
|
||||
String maxBackgroundColor)
|
||||
{
|
||||
super( maxScore, minForegroundColor,
|
||||
maxForegroundColor, minBackgroundColor,
|
||||
maxBackgroundColor);
|
||||
}
|
||||
|
||||
|
||||
|
||||
public String highlightTerm(String originalText, TokenGroup tokenGroup)
|
||||
{
|
||||
if (tokenGroup.getTotalScore() == 0)
|
||||
return originalText;
|
||||
float score = tokenGroup.getTotalScore();
|
||||
if (score == 0)
|
||||
{
|
||||
return originalText;
|
||||
}
|
||||
|
||||
// try to size sb correctly
|
||||
StringBuffer sb = new StringBuffer( originalText.length() + EXTRA);
|
||||
|
||||
sb.append("<span style=\"");
|
||||
if (highlightForeground)
|
||||
{
|
||||
sb.append("color: ");
|
||||
sb.append(getForegroundColorString(score));
|
||||
sb.append("; ");
|
||||
}
|
||||
if (highlightBackground)
|
||||
{
|
||||
sb.append("background: ");
|
||||
sb.append(getBackgroundColorString(score));
|
||||
sb.append("; ");
|
||||
}
|
||||
sb.append("\">");
|
||||
sb.append(originalText);
|
||||
sb.append("</span>");
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
// guess how much extra text we'll add to the text we're highlighting to try to avoid a StringBuffer resize
|
||||
private static final String TEMPLATE = "<span style=\"background: #EEEEEE; color: #000000;\">...</span>";
|
||||
private static final int EXTRA = TEMPLATE.length();
|
||||
}
|
Loading…
Reference in New Issue