# HG changeset patch
# User Dirkjan Ochtman <dirkjan@ochtman.nl>
# Date 2010-01-14 15:28:21
# Node ID b9d02695bde4665d3400148cebdb7ea081fdbe87
# Parent  207b94f6b65dc9913c5dc45ce758576a9f388dab

hgweb: add less/more links to shortlog/filelog nav

diff --git a/mercurial/hgweb/webcommands.py b/mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py
+++ b/mercurial/hgweb/webcommands.py
@@ -200,24 +200,32 @@ def changelog(web, req, tmpl, shortlog =
         for e in l:
             yield e
 
-    maxchanges = shortlog and web.maxshortchanges or web.maxchanges
+    revcount = shortlog and web.maxshortchanges or web.maxchanges
+    if 'revcount' in req.form:
+        revcount = int(req.form.get('revcount', [revcount])[0])
+        tmpl.defaults['sessionvars']['revcount'] = revcount
+
+    lessvars = copy.copy(tmpl.defaults['sessionvars'])
+    lessvars['revcount'] = revcount / 2
+    morevars = copy.copy(tmpl.defaults['sessionvars'])
+    morevars['revcount'] = revcount * 2
+
     cl = web.repo.changelog
     count = len(cl)
     pos = ctx.rev()
-    start = max(0, pos - maxchanges + 1)
-    end = min(count, start + maxchanges)
+    start = max(0, pos - revcount + 1)
+    end = min(count, start + revcount)
     pos = end - 1
     parity = paritygen(web.stripecount, offset=start-end)
 
-    changenav = webutil.revnavgen(pos, maxchanges, count, web.repo.changectx)
+    changenav = webutil.revnavgen(pos, revcount, count, web.repo.changectx)
 
-    return tmpl(shortlog and 'shortlog' or 'changelog',
-                changenav=changenav,
-                node=hex(ctx.node()),
-                rev=pos, changesets=count,
+    return tmpl(shortlog and 'shortlog' or 'changelog', changenav=changenav,
+                node=hex(ctx.node()), rev=pos, changesets=count,
                 entries=lambda **x: changelist(limit=0,**x),
                 latestentry=lambda **x: changelist(limit=1,**x),
-                archives=web.archivelist("tip"))
+                archives=web.archivelist("tip"), revcount=revcount,
+                morevars=morevars, lessvars=lessvars)
 
 def shortlog(web, req, tmpl):
     return changelog(web, req, tmpl, shortlog = True)
@@ -567,10 +575,19 @@ def filelog(web, req, tmpl):
             frev -= 1
         fctx = web.repo.filectx(f, fl.linkrev(frev))
 
+    revcount = web.maxshortchanges
+    if 'revcount' in req.form:
+        revcount = int(req.form.get('revcount', [revcount])[0])
+        tmpl.defaults['sessionvars']['revcount'] = revcount
+
+    lessvars = copy.copy(tmpl.defaults['sessionvars'])
+    lessvars['revcount'] = revcount / 2
+    morevars = copy.copy(tmpl.defaults['sessionvars'])
+    morevars['revcount'] = revcount * 2
+
     count = fctx.filerev() + 1
-    pagelen = web.maxshortchanges
-    start = max(0, fctx.filerev() - pagelen + 1) # first rev on this page
-    end = min(count, start + pagelen) # last rev on this page
+    start = max(0, fctx.filerev() - revcount + 1) # first rev on this page
+    end = min(count, start + revcount) # last rev on this page
     parity = paritygen(web.stripecount, offset=start-end)
 
     def entries(limit=0, **map):
@@ -602,11 +619,11 @@ def filelog(web, req, tmpl):
             yield e
 
     nodefunc = lambda x: fctx.filectx(fileid=x)
-    nav = webutil.revnavgen(end - 1, pagelen, count, nodefunc)
+    nav = webutil.revnavgen(end - 1, revcount, count, nodefunc)
     return tmpl("filelog", file=f, node=hex(fctx.node()), nav=nav,
                 entries=lambda **x: entries(limit=0, **x),
-                latestentry=lambda **x: entries(limit=1, **x))
-
+                latestentry=lambda **x: entries(limit=1, **x),
+                revcount=revcount, morevars=morevars, lessvars=lessvars)
 
 def archive(web, req, tmpl):
     type_ = req.form.get('type', [None])[0]
diff --git a/mercurial/templates/paper/filelog.tmpl b/mercurial/templates/paper/filelog.tmpl
--- a/mercurial/templates/paper/filelog.tmpl
+++ b/mercurial/templates/paper/filelog.tmpl
@@ -43,7 +43,10 @@
 files, or words in the commit message</div>
 </form>
 
-<div class="navigate">{nav%filenaventry}</div>
+<div class="navigate">
+<a href="{url}log/{node|short}/{file|urlescape}{lessvars%urlparameter}">less</a>
+<a href="{url}log/{node|short}/{file|urlescape}{morevars%urlparameter}">more</a>
+| {nav%filenaventry}</div>
 
 <table class="bigtable">
  <tr>
@@ -54,6 +57,12 @@ files, or words in the commit message</d
 {entries%filelogentry}
 </table>
 
+<div class="navigate">
+<a href="{url}log/{node|short}/{file|urlescape}{lessvars%urlparameter}">less</a>
+<a href="{url}log/{node|short}/{file|urlescape}{morevars%urlparameter}">more</a>
+| {nav%filenaventry}
+</div>
+
 </div>
 </div>
 
diff --git a/mercurial/templates/paper/shortlog.tmpl b/mercurial/templates/paper/shortlog.tmpl
--- a/mercurial/templates/paper/shortlog.tmpl
+++ b/mercurial/templates/paper/shortlog.tmpl
@@ -39,7 +39,11 @@
 files, or words in the commit message</div>
 </form>
 
-<div class="navigate">rev {rev}: {changenav%navshortentry}</div>
+<div class="navigate">
+<a href="{url}shortlog/{rev}{lessvars%urlparameter}">less</a>
+<a href="{url}shortlog/{rev}{morevars%urlparameter}">more</a>
+| rev {rev}: {changenav%navshortentry}
+</div>
 
 <table class="bigtable">
  <tr>
@@ -50,7 +54,12 @@ files, or words in the commit message</d
 {entries%shortlogentry}
 </table>
 
-<div class="navigate">rev {rev}: {changenav%navshortentry}</div>
+<div class="navigate">
+<a href="{url}shortlog/{rev}{lessvars%urlparameter}">less</a>
+<a href="{url}shortlog/{rev}{morevars%urlparameter}">more</a>
+| rev {rev}: {changenav%navshortentry}
+</div>
+
 </div>
 </div>
 
diff --git a/tests/test-hgweb-commands.out b/tests/test-hgweb-commands.out
--- a/tests/test-hgweb-commands.out
+++ b/tests/test-hgweb-commands.out
@@ -201,7 +201,11 @@ 200 Script output follows
 files, or words in the commit message</div>
 </form>
 
-<div class="navigate">rev 2: <a href="/shortlog/2ef0ac749a14">(0)</a> <a href="/shortlog/tip">tip</a> </div>
+<div class="navigate">
+<a href="/shortlog/2?revcount=30">less</a>
+<a href="/shortlog/2?revcount=120">more</a>
+| rev 2: <a href="/shortlog/2ef0ac749a14">(0)</a> <a href="/shortlog/tip">tip</a> 
+</div>
 
 <table class="bigtable">
  <tr>
@@ -227,7 +231,12 @@ files, or words in the commit message</d
 
 </table>
 
-<div class="navigate">rev 2: <a href="/shortlog/2ef0ac749a14">(0)</a> <a href="/shortlog/tip">tip</a> </div>
+<div class="navigate">
+<a href="/shortlog/2?revcount=30">less</a>
+<a href="/shortlog/2?revcount=120">more</a>
+| rev 2: <a href="/shortlog/2ef0ac749a14">(0)</a> <a href="/shortlog/tip">tip</a> 
+</div>
+
 </div>
 </div>
 
diff --git a/tests/test-hgweb-empty.out b/tests/test-hgweb-empty.out
--- a/tests/test-hgweb-empty.out
+++ b/tests/test-hgweb-empty.out
@@ -47,7 +47,11 @@ 200 Script output follows
 files, or words in the commit message</div>
 </form>
 
-<div class="navigate">rev -1: <a href="/shortlog/000000000000">(0)</a> <a href="/shortlog/tip">tip</a> </div>
+<div class="navigate">
+<a href="/shortlog/-1?revcount=30">less</a>
+<a href="/shortlog/-1?revcount=120">more</a>
+| rev -1: <a href="/shortlog/000000000000">(0)</a> <a href="/shortlog/tip">tip</a> 
+</div>
 
 <table class="bigtable">
  <tr>
@@ -58,7 +62,12 @@ files, or words in the commit message</d
 
 </table>
 
-<div class="navigate">rev -1: <a href="/shortlog/000000000000">(0)</a> <a href="/shortlog/tip">tip</a> </div>
+<div class="navigate">
+<a href="/shortlog/-1?revcount=30">less</a>
+<a href="/shortlog/-1?revcount=120">more</a>
+| rev -1: <a href="/shortlog/000000000000">(0)</a> <a href="/shortlog/tip">tip</a> 
+</div>
+
 </div>
 </div>
 
@@ -116,7 +125,11 @@ 200 Script output follows
 files, or words in the commit message</div>
 </form>
 
-<div class="navigate">rev -1: <a href="/shortlog/000000000000">(0)</a> <a href="/shortlog/tip">tip</a> </div>
+<div class="navigate">
+<a href="/shortlog/-1?revcount=5">less</a>
+<a href="/shortlog/-1?revcount=20">more</a>
+| rev -1: <a href="/shortlog/000000000000">(0)</a> <a href="/shortlog/tip">tip</a> 
+</div>
 
 <table class="bigtable">
  <tr>
@@ -127,7 +140,12 @@ files, or words in the commit message</d
 
 </table>
 
-<div class="navigate">rev -1: <a href="/shortlog/000000000000">(0)</a> <a href="/shortlog/tip">tip</a> </div>
+<div class="navigate">
+<a href="/shortlog/-1?revcount=5">less</a>
+<a href="/shortlog/-1?revcount=20">more</a>
+| rev -1: <a href="/shortlog/000000000000">(0)</a> <a href="/shortlog/tip">tip</a> 
+</div>
+
 </div>
 </div>
 
diff --git a/tests/test-hgweb-filelog.out b/tests/test-hgweb-filelog.out
--- a/tests/test-hgweb-filelog.out
+++ b/tests/test-hgweb-filelog.out
@@ -139,7 +139,10 @@ 200 Script output follows
 files, or words in the commit message</div>
 </form>
 
-<div class="navigate"><a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> </div>
+<div class="navigate">
+<a href="/log/01de2d66a28d/a?revcount=30">less</a>
+<a href="/log/01de2d66a28d/a?revcount=120">more</a>
+| <a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> </div>
 
 <table class="bigtable">
  <tr>
@@ -160,6 +163,12 @@ files, or words in the commit message</d
 
 </table>
 
+<div class="navigate">
+<a href="/log/01de2d66a28d/a?revcount=30">less</a>
+<a href="/log/01de2d66a28d/a?revcount=120">more</a>
+| <a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> 
+</div>
+
 </div>
 </div>
 
@@ -222,7 +231,10 @@ 200 Script output follows
 files, or words in the commit message</div>
 </form>
 
-<div class="navigate"><a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> </div>
+<div class="navigate">
+<a href="/log/01de2d66a28d/a?revcount=30">less</a>
+<a href="/log/01de2d66a28d/a?revcount=120">more</a>
+| <a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> </div>
 
 <table class="bigtable">
  <tr>
@@ -243,6 +255,12 @@ files, or words in the commit message</d
 
 </table>
 
+<div class="navigate">
+<a href="/log/01de2d66a28d/a?revcount=30">less</a>
+<a href="/log/01de2d66a28d/a?revcount=120">more</a>
+| <a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> 
+</div>
+
 </div>
 </div>
 
@@ -305,7 +323,10 @@ 200 Script output follows
 files, or words in the commit message</div>
 </form>
 
-<div class="navigate"><a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> </div>
+<div class="navigate">
+<a href="/log/5ed941583260/a?revcount=30">less</a>
+<a href="/log/5ed941583260/a?revcount=120">more</a>
+| <a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> </div>
 
 <table class="bigtable">
  <tr>
@@ -321,6 +342,12 @@ files, or words in the commit message</d
 
 </table>
 
+<div class="navigate">
+<a href="/log/5ed941583260/a?revcount=30">less</a>
+<a href="/log/5ed941583260/a?revcount=120">more</a>
+| <a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> 
+</div>
+
 </div>
 </div>
 
@@ -383,7 +410,10 @@ 200 Script output follows
 files, or words in the commit message</div>
 </form>
 
-<div class="navigate"><a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> </div>
+<div class="navigate">
+<a href="/log/5ed941583260/a?revcount=30">less</a>
+<a href="/log/5ed941583260/a?revcount=120">more</a>
+| <a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> </div>
 
 <table class="bigtable">
  <tr>
@@ -399,6 +429,12 @@ files, or words in the commit message</d
 
 </table>
 
+<div class="navigate">
+<a href="/log/5ed941583260/a?revcount=30">less</a>
+<a href="/log/5ed941583260/a?revcount=120">more</a>
+| <a href="/log/5ed941583260/a">(0)</a> <a href="/log/tip/a">tip</a> 
+</div>
+
 </div>
 </div>