244 lines
7.1 KiB
Java
244 lines
7.1 KiB
Java
//This file is part of SECONDO.
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// Copyright (C) 2004-2007,
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// University in Hagen
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// Faculty of Mathematics and Computer Science,
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// Database Systems for New Applications.
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// SECONDO is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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// SECONDO is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with SECONDO; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package viewer.hoese.algebras;
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import sj.lang.ListExpr;
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import viewer.*;
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import viewer.hoese.*;
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import javax.swing.*;
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import javax.swing.JButton;
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import java.awt.event.*;
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import java.awt.BorderLayout;
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import java.awt.Font;
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/**
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* A displayclass for the cluster type
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*/
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public class Dsplcluster extends DsplGeneric implements ExternDisplay{
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/** string which is used for wrong formatted nested lists **/
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static final String ERROR="wrong list";
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/** a frame for external display **/
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static ExtWin extWin = new ExtWin();
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/** the formatted text for displaying in the external entry **/
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private String text; // html content of the external window
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/** the matrix as a single line for the entry **/
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private String entry;
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/** number of columns within the table **/
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private static final int no_columns=6;
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/* returns the used style sheet */
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public static String getCss(){
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return "<style type=\"text/css\">\n"
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+ "body{"
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+ "font-size:14pt; "
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+ "font-style:normal;"
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+ "font-weight:normal;"
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+ "font-stretch:normal;"
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+ "font-family:serif;"
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+ "color:black;"
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+ "background-color:white;"
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+ "text-align:justify;"
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+ "margin-left:1em;"
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+ "margin-right:1em;"
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+ "}"
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+ "h1{ color:blue;"
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+ "text-align:left;"
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+ "font-size:xx-large;"
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+ "font-style:normal;"
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+ "font-weight:bold;"
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+ "font-stretch:wider;"
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+ "font-family:serif; }"
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+ "h2{ color:blue;"
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+ "font-size:x-large;"
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+ "font-style:normal;"
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+ "font-weight:bold;"
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+ "font-stretch:wider;"
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+ "font-family:serif; }"
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+ "table{ "
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+ "font-size:14pt;"
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+ "font-family:monospace;"
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+ "fonst-style:normal;"
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+ "border-spacing:14pt;"
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+ "}"
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+ "td{ "
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+ "font-size:14pt;"
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+ "font-family:monospace;"
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+ "fonst-style:normal;"
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+ "border-color:blue;"
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+ "border-style:solid;"
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+ "border-width:1pt;"
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+ "}"
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+ "</style>\n";
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}
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/** Extracts the name from the list.
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* If the structure of value does not allow to extract the name
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* (i.e. the structure does not represent a valid cluster),
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* null is returned.
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**/
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public String getName(ListExpr value){
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if(value.listLength()<1){
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return null;
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}
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ListExpr namelist = value.first();
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if(namelist.atomType()!=ListExpr.STRING_ATOM){
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return null;
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}
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return namelist.stringValue();
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}
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public String getContent(ListExpr value,int headLevel){
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if(isUndefined(value)){
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return "undefined";
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}
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String name = getName(value);
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if(name==null){
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return ERROR;
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}
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if(headLevel<1){
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headLevel=1;
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}
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if(headLevel>9){
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headLevel=9;
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}
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StringBuffer sb = new StringBuffer();
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sb.append("<h"+headLevel+"> "+name + "</h"+headLevel+">\n");
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int cell = 0;
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int row = 0;
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Dsplint9m int9m = new Dsplint9m();
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value = value.rest(); // jump over the name
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sb.append("<table> \n");
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while(!value.isEmpty()){
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if( cell % no_columns==0){
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sb.append("<tr>");
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row++;
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}
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String celltext = int9m.getDisplay(value.first());
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celltext=celltext.replaceAll("\n","<br>\n");
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sb.append("<td>");
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sb.append(celltext);
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sb.append("</td>");
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cell++;
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row++;
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value = value.rest();
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if(cell % no_columns ==0 || value.isEmpty()){
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sb.append("</tr>");
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}
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}
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sb.append("</table>\n");
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return sb.toString();
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}
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/* returns the string representation for the given value list */
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public String getDisplay(ListExpr value){
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String name = getName(value);
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if(name==null){ // error in listExpr
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name ="error";
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}
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StringBuffer sb = new StringBuffer();
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sb.append("<html> <head> <title> cluster: "+name+"</title>");
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sb.append(getCss());
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sb.append("</head>\n");
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sb.append("<body>\n");
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sb.append(getContent(value,1));
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sb.append("</body>\n");
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sb.append("</html>\n");
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return sb.toString();
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}
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/* Sets the entry for the queryresult.
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*/
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public void init (String name, int nameWidth, int indent,
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ListExpr type, ListExpr value,
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QueryResult qr)
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{
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String T = name;
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text = getDisplay(value);
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String V = "cluster";
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T=extendString(T,nameWidth, indent);
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entry = T + " : " + V;
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qr.addEntry(this);
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return;
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}
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public String toString(){
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return entry;
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}
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/** shows this matrix in an external window **/
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public void displayExtern(){
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extWin.setCluster(this);
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extWin.setVisible(true);
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}
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public boolean isExternDisplayed(){
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return this==extWin.cluster && extWin.isVisible();
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}
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private static class ExtWin extends JFrame{
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private JEditorPane textArea = new JEditorPane();
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private JButton closeBtn = new JButton("close");
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private Dsplcluster cluster = null;
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private static java.awt.Dimension dim = new java.awt.Dimension(100,100);
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private JScrollPane scrollpane;
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/** creates a new external window **/
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public ExtWin(){
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super("Cluster");
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getContentPane().setLayout(new BorderLayout());
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setSize(450,600);
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getContentPane().add(closeBtn,BorderLayout.SOUTH);
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closeBtn.addActionListener(new ActionListener(){
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public void actionPerformed(ActionEvent evt){
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ExtWin.this.setVisible(false);
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}
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});
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textArea.setFont(new Font("Monospaced",Font.BOLD,24));
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textArea.setEditable(false);
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textArea.setContentType("text/html");
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scrollpane = new JScrollPane(textArea);
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getContentPane().add(scrollpane,BorderLayout.CENTER);
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}
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public void setCluster(Dsplcluster cluster){
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this.cluster = cluster;
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textArea.setText(cluster.text);
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textArea.setCaretPosition(0);
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}
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}
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}
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