Package org.knopflerfish.bundle.desktop.event

Source Code of org.knopflerfish.bundle.desktop.event.StringCellRenderer

/*
* Copyright (c) 2003-2004, KNOPFLERFISH project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
*   notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
*   copyright notice, this list of conditions and the following
*   disclaimer in the documentation and/or other materials
*   provided with the distribution.
*
* - Neither the name of the KNOPFLERFISH project nor the names of its
*   contributors may be used to endorse or promote products derived
*   from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package org.knopflerfish.bundle.desktop.event;

import java.awt.Color;
import java.awt.Component;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.awt.Rectangle;

import javax.swing.JTable;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.DefaultTableCellRenderer;
import java.awt.FontMetrics;

/**
* TableCellRenderer which displays better clipped strings.
*/
public class StringCellRenderer extends  DefaultTableCellRenderer {

  public StringCellRenderer() {
  }

  public Component getTableCellRendererComponent(JTable  table,
             Object  obj,
             boolean isSelected,
             boolean hasFocus,
             int row,
             int column) {


   
    JLabel label = (JLabel)super.getTableCellRendererComponent(table,
                                                               obj,
                                                               isSelected,
                                                               hasFocus,
                                                               row, column);

    String s = obj != null ? obj.toString() : "";
    int w = table.getTableHeader().getColumnModel().getColumn(column).getWidth();

    FontMetrics fm = label.getFontMetrics(label.getFont());
   
    int fmW = fm.stringWidth(s);
   
    // s = w + "/" + fmW + ":" + s;

    int nChars = 3;
    int m = s.length() / 2;
    String s2 = s;
    while((fmW+10) > w && s2.length() > nChars && s2.length() > 5) {     
      int n1 = nChars / 2;
      int n2 = nChars - n1;
      String left  = s.substring(0, m - n1);
      String right = s.substring(m + n2);
      s2 = left + "..." + right;     
      fmW = fm.stringWidth(s2);
      nChars++;
    }
   
    label.setText(s2);
   
    return label;
  }
}
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