//This file is part of SECONDO.
// Copyright (C) 2004-2007,
// University in Hagen
// Faculty of Mathematics and Computer Science,
// Database Systems for New Applications.
// SECONDO is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// SECONDO is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with SECONDO; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package viewer.hoese.algebras;
import sj.lang.ListExpr;
import viewer.*;
import viewer.hoese.*;
import javax.swing.*;
import javax.swing.JButton;
import java.awt.event.*;
import java.awt.BorderLayout;
import java.awt.Font;
/**
* A displayclass for the cluster type
*/
public class Dsplpredicategroup extends DsplGeneric implements ExternDisplay{
/** string which is used for wrong formatted nested lists **/
static final String ERROR="wrong list";
/** a frame for external display **/
static ExtWin extWin = new ExtWin();
/** the formatted text for displaying in the external entry **/
private String text; // html content of the external window
/** the matrix as a single line for the entry **/
private String entry;
/** number of columns within the table **/
private static final int no_columns=6;
/* returns the used style sheet */
private static String getCss(){
// use the same style as a cluster
return Dsplcluster.getCss();
}
/** returns this group as html-formatted text **/
public String getContent(ListExpr value){
if(isUndefined(value)){
return "undefined";
}
StringBuffer sb = new StringBuffer();
int cell = 0;
int row = 0;
Dsplcluster cluster = new Dsplcluster();
sb.append(" Predicategroup
");
while(!value.isEmpty()){
String clustertext = cluster.getContent(value.first(),2);
sb.append(clustertext);
sb.append("
");
value = value.rest();
}
return sb.toString();
}
/* returns the string representation for the given value list */
public String getDisplay(ListExpr value){
StringBuffer sb = new StringBuffer();
sb.append(" predicategroup ");
sb.append(getCss());
sb.append("\n");
sb.append("\n");
sb.append(getContent(value));
sb.append("\n");
sb.append("\n");
return sb.toString();
}
public void init (String name, int nameWidth,int indent,
ListExpr type, ListExpr value, QueryResult qr)
{
String T = name;
text = getDisplay(value);
String V = "predicategroup";
T=extendString(T, nameWidth, indent);
entry = T + " : " + V;
qr.addEntry(this);
return;
}
public String toString(){
return entry;
}
/** shows this matrix in an external window **/
public void displayExtern(){
extWin.setGroup(this);
extWin.setVisible(true);
}
public boolean isExternDisplayed(){
return this==extWin.group && extWin.isVisible();
}
private static class ExtWin extends JFrame{
private JEditorPane textArea = new JEditorPane();
private JButton closeBtn = new JButton("close");
private Dsplpredicategroup group = null;
private static java.awt.Dimension dim = new java.awt.Dimension(100,100);
private JScrollPane scrollpane;
/** creates a new external window **/
public ExtWin(){
super("Predicategroup");
getContentPane().setLayout(new BorderLayout());
setSize(450,600);
getContentPane().add(closeBtn,BorderLayout.SOUTH);
closeBtn.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent evt){
ExtWin.this.setVisible(false);
}
});
textArea.setFont(new Font("Monospaced",Font.BOLD,24));
textArea.setEditable(false);
textArea.setContentType("text/html");
scrollpane = new JScrollPane(textArea);
getContentPane().add(scrollpane,BorderLayout.CENTER);
}
public void setGroup(Dsplpredicategroup group){
this.group = group;
textArea.setText(group.text);
textArea.setCaretPosition(0);
}
}
}