<!-- * X_LZ_COPYRIGHT_BEGIN ***************************************************
* Copyright 2001-2004 Laszlo Systems, Inc.  All Rights Reserved.              *
* Use is subject to license terms.                                            *
* X_LZ_COPYRIGHT_END ****************************************************** -->
<%@ page import="java.util.ArrayList,
                 java.util.regex.*,
                 java.io.*"%>

<%!
class TmpFileManager implements HttpSessionBindingListener
{
    private File tempFile;

    public void setTempFile(File tmpfile)
    {
        tempFile = tmpfile;
    }

    public void valueBound(HttpSessionBindingEvent event)
    {
    }

    public void valueUnbound(HttpSessionBindingEvent event)
    {
       // remove the temporary file when the session expires
       tempFile.delete();
    }
}

    Pattern amp =  Pattern.compile("&");
    Pattern lt = Pattern.compile("<");
    public String quote(String source) {
        // Escape HTML
        return lt.matcher(amp.matcher(source).replaceAll("&amp;")).replaceAll("&lt;");
    }
%>

<%
    String src = request.getParameter("src");
    String title = request.getParameter("title");
    String fname = src;
    String sTmpFile = "TempFilePath";
    try {
        String formAction=request.getParameter("formAction");
        String sourceCode=request.getParameter("sourceCode");
        int lastSeparator = Math.max(src.lastIndexOf("/"), 0);
        String sessionId = session.getId();
        String saveAsLabel = "Save as";
        String errorMessage = null;
        
        // Temp files need to go in the same directory as sources so that
        // includes come out right.
        String tempUrl = src.substring(0, lastSeparator)+"/.tmp_"+sessionId+"_"+src.substring(lastSeparator+1);
        
        String tempFilePath=application.getRealPath(tempUrl);
        //new File(tempFilePath).getParentFile().mkdirs();
        
        boolean temp=false;
        if ("Update".equals(formAction)) {
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            String xslfile = getServletContext().getRealPath("laszlo-explorer/verify.xsl");
            org.openlaszlo.utils.TransformUtils.applyTransform(xslfile, sourceCode, os);
            if (os.size() > 0) {
                errorMessage = os.toString();
            } else {
                File tempFile = new File(tempFilePath);
                BufferedWriter writer = new BufferedWriter(new FileWriter(tempFile));
                writer.write(sourceCode);
                writer.flush();
                writer.close();
                fname = tempUrl;
                temp = true;
                // save the file name with the session object
                // the file will be deleted when the session expires
                Object tmg = session.getAttribute(sTmpFile);
                TmpFileManager tmpFileMgr;
                if (tmg == null || !(tmg instanceof TmpFileManager)) {
                    tmpFileMgr = new TmpFileManager();
                    tmpFileMgr.setTempFile(tempFile);
                    session.setAttribute(sTmpFile, tmpFileMgr);
                } else {
                    tmpFileMgr = (TmpFileManager) tmg;
                }
            }
        } else if (formAction != null && formAction.startsWith(saveAsLabel)) {
            response.addHeader("Content-Type","application/octet-strem");
            response.addHeader("Content-Disposition","attachment; filename=\"" +
                               request.getParameter("saveasfile") + "\"");
            out.write(sourceCode);
            return;
        } else {
            if ("Reset".equals(formAction)) {
                File file = new File(tempFilePath);
                if (file.exists()) file.delete();
            } else {
                if (new File(tempFilePath).exists()) {
                    temp = true;
                    fname = tempUrl;
                }
            }
            File file = new File(temp?tempFilePath:application.getRealPath(src));
            BufferedReader reader = new BufferedReader(new FileReader(file));
            String line;
            StringBuffer sb = new StringBuffer();
            while ((line = reader.readLine()) != null) {
                sb.append(line);
                sb.append("\n");
            }
            reader.close();
            sourceCode = sb.toString();
        }
        String basefile = src.substring(src.lastIndexOf("/")+1);
%>
<html>
<head>
  <link rel="stylesheet" href="../lps/includes/explore.css" type="text/css">
</head>

<body class="source-view"
      onload="parent.swf.location.href='loading.jsp?src=<%= temp?request.getContextPath()+"/"+tempUrl:request.getContextPath()+"/"+src %>?showTaskBar=false';">

<h2><%= title %></h2>

<form method="post">
     <%if (errorMessage != null) {%><p>Error: <%=errorMessage%>  The program was not compiled.<p><%}%>
    <input name="src" type="hidden" value="<%= src %>">
    <textarea name="sourceCode" id="sourceCode" cols="58" rows="21" wrap="off"><%= quote(sourceCode) %></textarea><br>
    <input type="submit" name="formAction" value="Update">
    <input type="submit" name="formAction" value="Reset">
<%if (request.getRemoteAddr().equals("127.0.0.1")) {%>
    <input type="submit" name="formAction" value="<%=saveAsLabel%>&hellip;">
    <input type="text" name="saveasfile" value="<%=basefile%>">
<%}%>
</form>
</body>
</html>
<%
    } catch (Exception e) {
        out.println("JSP error caught: "+e);
    }
%>