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Overview
Comment:Add a "self" page to the fileupload.tcl demo.
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SHA3-256: cdd099b81ebc1d13dba0e6b59e41d86463754b3fbd8880d6c5dbadea08168470
User & Date: drh 2019-04-23 19:35:00.059
Context
2019-04-23
19:52
Improvements to the tableajax01.tcl example. (check-in: ab89ab225b user: drh tags: trunk)
19:35
Add a "self" page to the fileupload.tcl demo. (check-in: cdd099b81e user: drh tags: trunk)
18:04
Fix a typo in the quickref.md document. (check-in: 713d5e77fc user: drh tags: trunk)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to examples/fileupload.tcl. 
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#!/usr/bin/wapptclsh
#
# This script demonstrates a Wapp application that can accept a file
# upload using <input type="file">
#
package require wapp
proc wapp-default {} {
proc common-header {} {
  wapp-content-security-policy {default-src 'self'; img-src 'self' data:}
  wapp-trim {
    <html>
    <head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    <link href="%url([wapp-param SCRIPT_NAME]/style.css)" rel="stylesheet">
    <title>Wapp File-Upload Demo</title>
    </head>
    <body>
  }
}
proc common-footer {} {
  wapp-trim {
    </body>
    </html>
  }
}
proc wapp-default {} {
  wapp-content-security-policy {default-src 'self'; img-src 'self' data:}
  common-header
  wapp-trim {
    <h1>Wapp File-Upload Demo</h1>
  }
  # NB:  You must set enctype="multipart/form-data" on your <form> in order
  # for file upload to work.
  wapp-trim {
    <p><form method="POST" enctype="multipart/form-data">
    File To Upload: <input type="file" name="file"><br>
    <input type="checkbox" name="showenv" value="1">Show CGI Environment<br>
    <input type="submit" value="Submit">
    </form></p>
    <p><a href='%html([wapp-param SCRIPT_NAME])/self'>Show the script
    that generates this page</a></p>
  }
  # Ordinary query parameters come through just like normal
  if {[wapp-param showenv 0]} {
    wapp-trim {
      <h1>Wapp Environment</h1>
      <pre>%html([wapp-debug-env])</pre>
    }
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        Content:</p>
        <blockquote><pre>
        %html($content)
        </pre></blockquote>
      }
    }
  }
  common-footer
}
proc wapp-page-self {} {
  wapp-cache-control max-age=3600
  common-header
  set fd [open [wapp-param SCRIPT_FILENAME] rb]
  set script [read $fd]
  close $fd
  wapp-trim {
    </body>
    </html>
    <h1>Wapp Script That Shows A Copy Of Itself</h1>
    <pre>%html($script)</pre>
  }
  common-footer
}
proc wapp-page-style.css {} {
  wapp-mimetype text/css
  wapp-cache-control max-age=3600
  wapp-trim {
    pre {
       border: 1px solid black;
       padding: 1ex;
    }
  }
}
wapp-start $argv