/*
* File : Html.java
* Created : 05-dec-2001 12:28
* By : fbusquets
*
* JClic - Authoring and playing system for educational activities
*
* Copyright (C) 2000 - 2005 Francesc Busquets & Departament
* d'Educacio de la Generalitat de Catalunya
*
* This program 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.
*
* This program 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 (see the LICENSE file).
*/
package edu.xtec.util;
/**
*
* @author Francesc Busquets (fbusquets@xtec.cat)
* @version 13.09.16
*/
import java.io.PrintStream;
import java.util.StringTokenizer;
public class Html extends Object {
public static final String SP=" ";
public static final String NBSP=" ";
public static final String BR="\n<BR>\n";
public static final String P="\n<P>\n";
public static final String Q="\"";
public static final int LEFT=0, CENTER=1, RIGHT=2;
public static final String[] ALIGN={"", "ALIGN=\"center\"", "ALIGN=\"right\""};
protected StringBuilder sb;
public Html(int bufSize){
sb=new StringBuilder(bufSize);
}
public Html(StringBuilder sb){
this.sb=sb;
}
@Override
public String toString(){
return sb.substring(0);
}
public Html append(String str){
sb.append(str==null ? "" : str);
return this;
}
public Html appendParagraphs(String source){
StringTokenizer st=new StringTokenizer(source, "\n");
boolean first=true;
while(st.hasMoreTokens()){
if(!first)
sb.append(BR);
else
first=false;
sb.append(st.nextToken());
}
return this;
}
public Html mailTo(String mail, boolean parenthesis){
if(parenthesis)
sb.append("(");
sb.append("<A HREF=\"mailto:").append(mail).append("\">").append(mail).append("</A>");
if(parenthesis)
sb.append(")");
return this;
}
public Html linkTo(String url, String text){
sb.append("<A HREF=\"").append(url).append("\">");
sb.append(text==null ? url : text);
sb.append("</A>");
return this;
}
public Html bold(String text){
sb.append("<B>").append(text).append("</B>");
return this;
}
public Html td(boolean init){
sb.append(init ? "<TD VALIGN=\"top\">" : "</TD>\n");
return this;
}
public Html td(String text){
return td(text, false);
}
public Html td(String text, int align, boolean bold, String tdParams){
sb.append("<TD VALIGN=\"top\" ");
if(align>LEFT)
sb.append(SP).append(ALIGN[align]);
if(tdParams!=null)
sb.append(SP).append(tdParams);
sb.append(">");
if(bold)
bold(text);
else
sb.append(text);
sb.append("</TD>\n");
return this;
}
public Html td(String text, boolean bld){
sb.append("<TD VALIGN=\"top\">");
if(bld)
bold(text);
else
sb.append(text);
sb.append("</TD>\n");
return this;
}
public Html tr(boolean init){
return append(init ? "<TR>" : "</TR>\n");
}
public Html br(){
return append(BR);
}
public Html p(){
return append(P);
}
public Html sp(){
return append(SP);
}
public Html nbsp(){
return append(NBSP);
}
public Html doubleCell(String tx1, boolean b1, String tx2, boolean b2){
tr(true);
td(true);
if(b1)
sb.append("<B>");
appendParagraphs(tx1);
if(b1)
sb.append("</B>");
td(false);
td(true);
if(b2)
sb.append("<B>");
appendParagraphs(tx2);
if(b2)
sb.append("</B>");
td(false);
tr(false);
return this;
}
public static String table(String content, String width, int border, int cellPadding, int cellSpacing, String style, boolean simpleCell){
int v=content!=null ? content.length() : 100;
StringBuilder sbs=new StringBuilder(v+200);
sbs.append("<TABLE ");
if(width!=null)
sbs.append(" WIDTH=\"").append(width).append(Q);
if(border>=0)
sbs.append(" BORDER=\"").append(border).append(Q);
if(cellPadding>=0)
sbs.append(" CELLPADDING=\"").append(cellPadding).append(Q);
if(cellSpacing>=0)
sbs.append(" CELLSPACING=\"").append(cellSpacing).append(Q);
if(style!=null)
sbs.append(" STYLE=\"").append(style).append(Q);
sbs.append(">\n");
if(simpleCell)
sbs.append("<TR><TD>");
sbs.append(content);
if(simpleCell)
sbs.append("</TD></TR>");
sbs.append("\n</TABLE>");
return sbs.substring(0);
}
public static String getHtmlDoc(String content, String bgColor){
int v=content!=null ? content.length() : 100;
StringBuilder sbs=new StringBuilder(v+100);
sbs.append("<HTML>\n");
sbs.append("<BODY");
if(bgColor!=null)
sbs.append(" BGCOLOR=\"#").append(bgColor).append(Q);
sbs.append(">\n");
sbs.append(content);
sbs.append("</BODY></HTML>");
return sbs.substring(0);
}
public static String quote(String txt){
StringBuilder sbs=new StringBuilder(txt.length()*3);
sbs.append("'");
sbs.append(edu.xtec.util.StrUtils.replace(edu.xtec.util.StrUtils.replace(edu.xtec.util.StrUtils.replace(txt, "'", "'"),"\"", """), "`","’"));
//edu.xtec.jclic.misc.Utils.replace(txt, "'", "\\'"),
//"\"", "\\\""));
//edu.xtec.jclic.misc.Utils.replace(txt, "'", "’"),
//"\"", """));
sbs.append("'");
return sbs.substring(0);
}
public static final String validChars=" -_.*0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
public static String encode(String src){
if(src==null || src.length()<1)
return src;
int len=src.length();
StringBuilder sbs=new StringBuilder(len*2);
for(int i=0; i<len; i++){
char ch=src.charAt(i);
if(validChars.indexOf(ch)>=0)
sbs.append(ch);
else if(ch<256)
sbs.append("%").append(Integer.toHexString(ch));
else
sbs.append("%26%23").append(Integer.toHexString(ch)).append("%3B");
}
return sbs.substring(0);
}
public static String decode(String src){
if(src==null || src.length()<1)
return src;
int len=src.length();
StringBuilder sbs=new StringBuilder(len);
for(int i=0; i<len; i++){
char ch=src.charAt(i);
if(ch=='%'){
sbs.append((char)Integer.parseInt(src.substring(i+1, i+3), 16));
i+=2;
}
else
sbs.append(ch);
}
String s=sbs.substring(0);
len=s.length();
sbs.setLength(0);
int j=0;
for(int i=0; i<len; i++){
char ch=s.charAt(i);
if(ch=='&' && (j=s.indexOf(';', i))>i+2){
String v=s.substring(i+1, j).toLowerCase();
if(v.length()>2 && v.charAt(0)=='#'){
int k;
if(v.charAt(1)=='x')
k=Integer.parseInt(v.substring(2), 16);
else
k=Integer.parseInt(v.substring(1));
sbs.append((char)k);
}
else
sbs.append('?');
i=j;
}
else
sbs.append(ch);
}
return sbs.substring(0);
}
// to deprecate!!
public static void processParamsLine(String txt, java.util.Map<String, String> map, char sep, char equalSign){
if(txt!=null && txt.length()>0 && map!=null){
StringTokenizer st=new StringTokenizer(txt, String.valueOf(sep));
while(st.hasMoreTokens()){
String s=st.nextToken().trim();
String key, value=null;
int k=s.indexOf(equalSign);
if(k>0){
key=decode(s.substring(0, k).replace('+', ' '));
if(k<s.length()-1)
value=decode(s.substring(k+1).replace('+', ' '));
}
else
key=decode(s.replace('+', ' '));
map.put(key, value);
}
}
}
public static void writeScriptConfirm(PrintStream pOut){
pOut.println("<SCRIPT language=\"javascript\">");
pOut.println("function confirmAction(msg){");
pOut.println(" var agree=confirm(msg);");
pOut.println(" if (agree)");
pOut.println(" return true;");
pOut.println(" else");
pOut.println(" return false;");
pOut.println("}");
pOut.println("</SCRIPT>");
}
}