In directory listing, when a file cannot be viewed or edited, a tool tip on the ...

[devedit.git] / modules / Command.pm

diff --git a/modules/Command.pm b/modules/Command.pm
index 363cffe8213c17e5876a2ac280140b8080440e66..0a368e95db7777ef68bad27dbe2330a3f8c62029 100644 (file)
--- a/modules/Command.pm
+++ b/modules/Command.pm
@@ -6,7 +6,7 @@ package Command;
 # Execute Dev-Editor's commands
 #
 # Author:        Patrick Canterino <patshaping@gmx.net>
-# Last modified: 10-04-2003
+# Last modified: 2003-11-10
 #
 
 use strict;
@@ -14,8 +14,6 @@ use strict;
 use vars qw(@EXPORT
             $script);
 
-use CGI qw(redirect);
-
 use File::Access;
 use File::Copy;
 
@@ -62,7 +60,7 @@ sub exec_show($$$)
   # Create directory listing
 
   my $direntries = dir_read($physical);
-  return error("Reading of directory $virtual failed") unless($direntries);
+  return error("Reading of directory $virtual failed.",upper_path($virtual)) unless($direntries);
 
   my $files = $direntries->{'files'};
   my $dirs  = $direntries->{'dirs'};
@@ -112,7 +110,7 @@ sub exec_show($$$)
 
   foreach my $file(@$files)
   {
-   my $phys_path = $physical."/".$file; # Not exactly...
+   my $phys_path = $physical."/".$file;
    my $virt_path = encode_entities($virtual.$file);
 
    my @stat      = stat($phys_path);
@@ -122,19 +120,47 @@ sub exec_show($$$)
    $output .= $stat[7];
    $output .= "  ";
    $output .= strftime($config->{'timeformat'},localtime($stat[9]));
-   $output .= ($in_use) ? " (IN USE) " : (not -T $phys_path) ? " (BINARY) " : " " x 10;
+   $output .= " " x 10;
    $output .= encode_entities($file);
    $output .= " " x ($max_name_len - length($file))."\t  (";
 
-   $output .= (-T $phys_path)
-              ? "<a href=\"$script?command=show&file=$virt_path\">View</a>"
-              : '<span style="color:#C0C0C0">View</span>';
+   # Link "View"
+
+   if(-r $phys_path && -T $phys_path)
+   {
+    $output .= "<a href=\"$script?command=show&file=$virt_path\">View</a>";
+   }
+   else
+   {
+    $output .= '<span style="color:#C0C0C0" title="';
+
+    $output .= (not -r $phys_path) ? "Not readable" :
+               (-B     $phys_path) ? "Binary file"  : "";
+
+    $output .= '">View</span>';
+   }
 
    $output .= " | ";
 
-   $output .= ($in_use || not -T $phys_path)
-              ? '<span style="color:#C0C0C0">Edit</span>'
-              : "<a href=\"$script?command=beginedit&file=$virt_path\">Edit</a>";
+   # Link "Edit"
+
+   if(-w $phys_path && -r $phys_path && -T $phys_path && not $in_use)
+   {
+    $output .= "<a href=\"$script?command=beginedit&file=$virt_path\">Edit</a>";
+   }
+   else
+   {
+    $output .= '<span style="color:#C0C0C0" title="';
+
+    $output .= (not -r $phys_path) ? "Not readable" :
+               (not -w $phys_path) ? "Read only"    :
+               (-B     $phys_path) ? "Binary file"  :
+               ($in_use)           ? "In use"       : "";
+
+    $output .= '">Edit</span>';
+   }
+
+   # Link "Do other stuff"
 
    $output .= " | <a href=\"$script?command=workwithfile&file=$virt_path\">Do other stuff</a>)\n";
   }
@@ -172,6 +198,8 @@ END
  {
   # View a file
 
+  return error("You have not enough permissions to view this file.",upper_path($virtual)) unless(-r $physical);
+
   # Check on binary files
   # We have to do it in this way, or empty files
   # will be recognized as binary files
@@ -180,7 +208,7 @@ END
   {
    # Binary file
 
-   return error("This editor is not able to view/edit binary files.");
+   return error("This editor is not able to view/edit binary files.",upper_path($virtual));
   }
   else
   {
@@ -218,8 +246,9 @@ sub exec_beginedit($$)
  my $virtual        = $data->{'virtual'};
  my $uselist        = $data->{'uselist'};
 
- return error("You cannot edit directories.") if(-d $physical);
+ return error("You cannot edit directories.",upper_path($virtual)) if(-d $physical);
  return error_in_use($virtual) if($uselist->in_use($virtual));
+ return error("You have not enough permissions to edit this file.",upper_path($virtual)) unless(-r $physical && -w $physical);
 
  # Check on binary files
 
@@ -227,7 +256,7 @@ sub exec_beginedit($$)
  {
   # Binary file
 
-  return error("This editor is not able to view/edit binary files.");
+  return error("This editor is not able to view/edit binary files.",upper_path($virtual));
  }
  else
  {
@@ -298,6 +327,11 @@ sub exec_endedit($$)
  my $content        = $data->{'cgi'}->param('filecontent');
 
  return error("You cannot edit directories.") if(-d $physical);
+ return error("You have not enough permissions to edit this file.",upper_path($virtual)) unless(-r $physical && -w $physical);
+
+ # Normalize newlines
+
+ $content =~ s/\015\012|\012|\015/\n/g;
 
  if($data->{'cgi'}->param('encode_iso'))
  {
@@ -322,7 +356,7 @@ sub exec_endedit($$)
  }
  else
  {
-  return error("Saving of file '".encode_entities($virtual)."' failed'.");
+  return error("Saving of file '".encode_entities($virtual)."' failed'.",upper_path($virtual));
  }
 }
 
@@ -343,12 +377,10 @@ sub exec_mkfile($$)
  my $dir            = upper_path($new_virtual);
  $new_virtual       = encode_entities($new_virtual);
 
- return error("A file or directory called '$new_virtual' does already exist.") if(-e $new_physical);
-
- file_create($new_physical) or return error("Could not create file '$new_virtual'.");
+ return error("A file or directory called '$new_virtual' already exists.",$dir) if(-e $new_physical);
 
- my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=$dir");
- return \$output;
+ file_create($new_physical) or return error("Could not create file '$new_virtual'.",$dir);
+ return devedit_reload({command => 'show', file => $dir});
 }
 
 # exec_mkdir()
@@ -368,12 +400,10 @@ sub exec_mkdir($$)
  my $dir            = upper_path($new_virtual);
  $new_virtual       = encode_entities($new_virtual);
 
- return error("A file or directory called '$new_virtual' does already exist.") if(-e $new_physical);
-
- mkdir($new_physical) or return error("Could not create directory '$new_virtual'.");
+ return error("A file or directory called '$new_virtual' already exists.",$dir) if(-e $new_physical);
 
- my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=$dir");
- return \$output;
+ mkdir($new_physical) or return error("Could not create directory '$new_virtual'.",$dir);
+ return devedit_reload({command => 'show', file => $dir});
 }
 
 # exec_workwithfile()
@@ -404,11 +434,13 @@ sub exec_workwithfile($$)
 
  $output .= "<p>Someone else is currently editing this file. So not all features are available.</p>\n\n" unless($unused);
 
- # Copying of the file as always allowed
+ $output .= "<hr>\n\n";
 
- $output .= <<END;
-<hr>
+ # Copying of the file is always allowed - but we need read access
 
+ if(-r $physical)
+ {
+  $output .= <<END;
 <h2>Copy</h2>
 
 <form action="$script">
@@ -420,6 +452,7 @@ sub exec_workwithfile($$)
 <hr>
 
 END
+ }
 
  if($unused)
  {
@@ -490,16 +523,15 @@ sub exec_copy($$)
  $new_virtual       = encode_entities($new_virtual);
 
  return error("This editor is not able to copy directories.") if(-d $physical);
+ return error("You have not enough permissions to copy this file.") unless(-r $physical);
 
  if(-e $new_physical)
  {
-  return error("A file or directory called '$new_virtual' does already exists and this editor is currently not able to ask to overwrite the existing file or directory.");
+  return error("A file or directory called '$new_virtual' already exists and this editor is currently not able to ask to overwrite the existing file or directory.",upper_path($virtual));
  }
 
- copy($physical,$new_physical) or return error("Could not copy '$virtual' to '$new_virtual'");
-
- my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=$dir");
- return \$output;
+ copy($physical,$new_physical) or return error("Could not copy '$virtual' to '$new_virtual'",upper_path($virtual));
+ return devedit_reload({command => 'show', file => $dir});
 }
 
 # exec_rename()
@@ -525,13 +557,11 @@ sub exec_rename($$)
 
  if(-e $new_physical)
  {
-  return error("A file or directory called '$new_virtual' does already exists and this editor is currently not able to ask to overwrite the existing file or directory.");
+  return error("A file or directory called '$new_virtual' already exists and this editor is currently not able to ask to overwrite the existing file or directory.",upper_path($virtual));
  }
 
- rename($physical,$new_physical) or return error("Could not move/rename '".encode_entities($virtual)."' to '$new_virtual'.");
-
- my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=$dir");
- return \$output;
+ rename($physical,$new_physical) or return error("Could not move/rename '".encode_entities($virtual)."' to '$new_virtual'.",upper_path($virtual));
+ return devedit_reload({command => 'show', file => $dir});
 }
 
 # exec_remove()
@@ -549,13 +579,11 @@ sub exec_remove($$)
  my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
 
- return error("Deleting directories is currently unsupported") if(-d $physical);
+ return error("Deleting directories is currently unsupported.",upper_path($virtual)) if(-d $physical);
  return error_in_use($virtual) if($data->{'uselist'}->in_use($virtual));
 
- unlink($physical) or return error("Could not delete file '".encode_entities($virtual)."'.");
-
- my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=".upper_path($virtual));
- return \$output;
+ unlink($physical) or return error("Could not delete file '".encode_entities($virtual)."'.",upper_path($virtual));
+ return devedit_reload({command => 'show', file => upper_path($virtual)});
 }
 
 # exec_unlock()
@@ -577,8 +605,7 @@ sub exec_unlock($$)
  $uselist->remove_file($virtual);
  $uselist->save;
 
- my $output = redirect("http://$ENV{'HTTP_HOST'}$script?command=show&file=".upper_path($virtual));
- return \$output;
+ return devedit_reload({command => 'show', file => upper_path($virtual)});
 }
 
 # it's true, baby ;-)