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-rw-r--r--doc/patchqueue/disappearing_pages.mdwn107
1 files changed, 107 insertions, 0 deletions
diff --git a/doc/patchqueue/disappearing_pages.mdwn b/doc/patchqueue/disappearing_pages.mdwn
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index 000000000..434859d43
--- /dev/null
+++ b/doc/patchqueue/disappearing_pages.mdwn
@@ -0,0 +1,107 @@
+If one user (via SVN or otherwise) deletes or moves a page while another user
+is editing it via the web, bad things happen. This patch addresses this by
+failing gracefully, and allowing the user to commit a new file with the same
+name if desired.
+
+The patch is [here](http://ikidev.betacantrips.com//patches/disappear.patch).
+It requires a strip level of 4 -- sorry about that. --Ethan
+
+ diff -urX /home/glasserc/ignorepats /home/glasserc/ikiclean/IkiWiki/CGI.pm /home/glasserc/ikidev/IkiWiki/CGI.pm
+ --- /home/glasserc/ikiclean/IkiWiki/CGI.pm 2007-02-11 21:40:32.419641000 -0800
+ +++ /home/glasserc/ikidev/IkiWiki/CGI.pm 2007-02-12 15:35:55.178886000 -0800
+ @@ -278,7 +278,7 @@
+ my $q=shift;
+ my $session=shift;
+
+ - my @fields=qw(do rcsinfo subpage from page type editcontent comments);
+ + my @fields=qw(do rcsinfo subpage from page type editcontent comments newfile);
+ my @buttons=("Save Page", "Preview", "Cancel");
+
+ eval q{use CGI::FormBuilder};
+ @@ -340,10 +340,6 @@
+ $file=$page.".".$type;
+ }
+
+ - my $newfile=0;
+ - if (! -e "$config{srcdir}/$file") {
+ - $newfile=1;
+ - }
+
+ $form->field(name => "do", type => 'hidden');
+ $form->field(name => "from", type => 'hidden');
+ @@ -354,6 +350,7 @@
+ $form->field(name => "comments", type => "text", size => 80);
+ $form->field(name => "editcontent", type => "textarea", rows => 20,
+ cols => 80);
+ + $form->field(name => "newfile", type => 'hidden');
+ $form->tmpl_param("can_commit", $config{rcs});
+ $form->tmpl_param("indexlink", indexlink());
+ $form->tmpl_param("helponformattinglink",
+ @@ -362,8 +359,12 @@
+ if (! $form->submitted) {
+ $form->field(name => "rcsinfo", value => rcs_prepedit($file),
+ force => 1);
+ + $form->field(name => "newfile",
+ + value => ! -e "$config{srcdir}/$file",
+ + force => 1);
+ }
+ -
+ + my $newfile = $form->field(name => "newfile");
+ +
+ if ($form->submitted eq "Cancel") {
+ if ($newfile && defined $from) {
+ redirect($q, "$config{url}/".htmlpage($from));
+ @@ -482,6 +485,16 @@
+ else {
+ # save page
+ check_canedit($page, $q, $session);
+ + if (! -e "$config{srcdir}/$file" && ! $form->field(name => 'newfile')){
+ + $form->tmpl_param("page_gone", 1);
+ + $form->field(name => "newfile",
+ + value => 1, force => 1);
+ + $form->tmpl_param("page_select", 0);
+ + $form->field(name => "page", type => 'hidden');
+ + $form->field(name => "type", type => 'hidden');
+ + print $form->render(submit => \@buttons);
+ + return;
+ + }
+
+ my $content=$form->field('editcontent');
+
+ @@ -512,8 +525,7 @@
+ force => 1);
+ $form->tmpl_param("page_conflict", 1);
+ $form->field("editcontent", value => $conflict, force => 1);
+ - $form->field(name => "comments", value => $form->field('comments'), force => 1);
+ - $form->field("do", "edit)");
+ + $form->field("do", "edit");
+ $form->tmpl_param("page_select", 0);
+ $form->field(name => "page", type => 'hidden');
+ $form->field(name => "type", type => 'hidden');
+ diff -urX /home/glasserc/ignorepats /home/glasserc/ikiclean/templates/editpage.tmpl /home/glasserc/ikidev/templates/editpage.tmpl
+ --- /home/glasserc/ikiclean/templates/editpage.tmpl 2007-02-11 21:40:35.046470000 -0800
+ +++ /home/glasserc/ikidev/templates/editpage.tmpl 2007-02-12 15:33:38.503571000 -0800
+ @@ -21,6 +21,15 @@
+ conflict and commit again to save your changes.
+ </p>
+ </TMPL_IF>
+ +<TMPL_IF NAME="PAGE_GONE">
+ +<p>
+ +<b>The page you were editing has disappeared.</b>
+ +</p>
+ +<p>
+ +Perhaps someone else has deleted it or moved it. If you want to recreate
+ +this page with your text, click "Save Page" again.
+ +</p>
+ +</TMPL_IF>
+ <TMPL_VAR FORM-START>
+ <div class="header">
+ <span><TMPL_VAR INDEXLINK>/ <TMPL_VAR FORM-TITLE></span>
+ @@ -28,6 +37,7 @@
+ <TMPL_VAR FIELD-DO>
+ <TMPL_VAR FIELD-FROM>
+ <TMPL_VAR FIELD-RCSINFO>
+ +<TMPL_VAR FIELD-NEWFILE>
+ <TMPL_IF NAME="PAGE_SELECT">
+ Page location: <TMPL_VAR FIELD-PAGE>
+ Page type: <TMPL_VAR FIELD-TYPE>