CSS3 PIE module. Needs docs.

examples/compass/headers.txt

@@ -0,0 +1,7 @@
+HTTP/1.1 200 OK
+Connection: close
+Date: Thu, 18 Nov 2010 17:15:33 GMT
+Last-Modified: Thu, 18 Nov 2010 01:45:54 GMT
+Content-Type: text/x-component
+Content-Length: 28280
+

examples/compass/pie.html.haml

@@ -0,0 +1,73 @@
+!!! 5
+%html
+  %head
+    %meta{:content => "text/html; charset=UTF-8", "http-equiv" => "content-type"}/
+    %title Basic CSS3 Demos
+    %link{:charset => "utf-8", :href => "stylesheets/pie.css", :media => "screen", :rel => "stylesheet", :type => "text/css"}/
+  %body
+    .section
+      %h2 border-radius
+      #test1.test Cherry
+      %code
+        %strong
+          border-radius: 1em;   /* Standard */
+          \-moz-border-radius: 1em;   /* Gecko */
+          \-webkit-border-radius: 1em;   /* WebKit */
+    .section
+      %h2 box-shadow
+      #test2.test Apple
+      %code
+        border-radius: 1em;
+        \-moz-border-radius: 1em;
+        \-webkit-border-radius: 1em;
+        %strong
+          box-shadow: #999 0 .25em .5em;
+          \-webkit-box-shadow: #999 0 .25em .5em;
+          \-moz-box-shadow: #999 0 .25em .5em;
+    .section
+      %h2 linear-gradient
+      #test3.test Blueberry
+      %code
+        border-radius: 1em;
+        \-moz-border-radius: 1em;
+        \-webkit-border-radius: 1em;
+        box-shadow: #999 0 .25em .5em;
+        \-webkit-box-shadow: #999 0 .25em .5em;
+        \-moz-box-shadow: #999 0 .25em .5em;
+        %strong
+          background: #9CF;   /* Fallback */
+          background: -webkit-gradient(linear, 0 0, 0 100%, from(#9CF), to(#03C));
+          background: -moz-linear-gradient(#9CF, #03C);
+          background: linear-gradient(#9CF, #03C);
+    .section
+      %h2 multiple background images
+      #test4.test Rhubarb
+      %code
+        border-radius: 1em;
+        \-moz-border-radius: 1em;
+        \-webkit-border-radius: 1em;
+        box-shadow: #999 0 .25em .5em;
+        \-webkit-box-shadow: #999 0 .25em .5em;
+        \-moz-box-shadow: #999 0 .25em .5em;
+        %strong
+          background: url(icon-ie.png) no-repeat 50% 0 #FFF;   /* Fallback */
+          background: url(icon-ie.png) no-repeat 50% 0,
+          url(icon-firefox.png) no-repeat 0 0,
+          url(icon-chrome.png) no-repeat 100% 0,
+          url(icon-safari.png) no-repeat 0 100%,
+          url(icon-opera.png) no-repeat 100% 100% #FFF;
+    .section
+      %h2 border-image
+      #test5.test Pumpkin
+      %code
+        border-radius: 1em;
+        \-moz-border-radius: 1em;
+        \-webkit-border-radius: 1em;
+        box-shadow: #999 0 .25em .5em;
+        \-webkit-box-shadow: #999 0 .25em .5em;
+        \-moz-box-shadow: #999 0 .25em .5em;
+        %strong
+          border-image: url(border2.png) 15 fill stretch;
+          \-moz-border-image: url(border2.png) 15 stretch;
+          \-webkit-border-image: url(border2.png) 15 stretch;
+          border: 15px solid transparent;

examples/compass/src/pie.scss

@@ -0,0 +1,110 @@
+// this file demonstrates how to use the CSS PIE extension for
+// legacy versions of Internet Explorer. In many cases, PIE will allow
+// you to style in CSS things that you'd have to do using image chops otherwise.
+//
+// Note: Each element that has PIE enabled on it will add about 10ms to your page load.
+@import "compass/pie";
+@import "compass/css3/version-2";
+
+$pie-behavior: url("/stylesheets/PIE.htc");
+
+// It is suggested that you use Sass's @extend directive to apply the PIE
+// behavior to your elements. Setting this variable will tell the `pie` mixin
+// to extend. Or you can just extend the base class yourself.
+$pie-base-class: pie-element;
+
+// There are two approaches to creating PIE elements
+// The default approach is to make the element position: relative.
+.pie-element {
+  // relative is the default, so passing relative
+  // is redundant, but we do it here for clarity.
+  @include pie-element(relative);
+}
+
+html, body {
+    margin: 0;
+    padding: 0;
+    font-family: sans-serif;
+    font-size: 16px;
+    background: #EEE;
+}
+
+.section {
+    border: 1px solid #CCC;
+    padding: 1em 2em 2em;
+    margin: 3em;
+    background: #FFF;
+}
+
+.section h2 {
+    border: 1px solid #CCC;
+    position: relative;
+    left: -3em;
+    top: -2em;
+    background: #FFF;
+    font-size: 1em;
+    padding: .25em 1em;
+    margin: 0;
+}
+
+.section code {
+    display: block;
+    white-space: pre;
+    margin-left: 250px;
+    min-height: 100px;
+    color: #999;
+    overflow: auto;
+}
+.section code strong {
+    color: #000;
+}
+
+.test {
+    width: 200px;
+    height: 100px;
+    line-height: 100px;
+    text-align: center;
+    border: 2px solid;
+    background: #FFF;
+    float: left;
+    @include pie;
+}
+
+#test1 {
+    border-color: #c00;
+    @include border-radius(1em);
+}
+
+#test2 {
+    border-color: #090;
+    @include border-radius(1em);
+    @include box-shadow(#999 0 .25em .5em);
+}
+
+#test3 {
+    border-color: #00c;
+    @include border-radius(1em);
+    @include box-shadow(#999 0 .25em .5em);
+    @include background(linear-gradient(#9CF, #03C));
+}
+
+#test4 {
+    border-color: #F99;
+    @include border-radius(1em);
+    @include box-shadow(#999 0 .25em .5em);
+    background: #FFF image-url("icon-ie.png") no-repeat 50% 0;
+    @include background(
+      image-url("icon-ie.png") no-repeat 50% 0,
+      image-url("icon-firefox.png") no-repeat 0 0,
+      image-url("icon-chrome.png") no-repeat 100% 0,
+      image-url("icon-safari.png") no-repeat 0 100%,
+      image-url("icon-opera.png") no-repeat 100% 100% #FFF
+    );
+}
+
+#test5 {
+    @include border-image(image-url("border2.png") 15 stretch);
+    border: 15px solid transparent;
+    width: 180px;
+}
+

frameworks/compass/stylesheets/compass/_pie.scss

@@ -0,0 +1,53 @@
+$experimental-support-for-pie: true;
+
+$pie-base-class: false !default;
+// The default approach to using PIE.
+// Can be one of:
+//
+// * relative
+// * z-index
+$pie-default-approach: relative !default;
+
+// The location of your PIE behavior file
+// This should be root-relative to your web server
+// relative assets don't work.
+$pie-behavior: stylesheet-url("PIE.htc") !default;
+
+// When using the z-index approach, the
+// first ancestor of the PIE element at
+// or before the container's opaque background
+// should have a z-index set as well to ensure
+// propert z-index stacking.
+@mixin pie-container($z-index: 0) {
+  z-index: $z-index;
+}
+
+// PIE elements must have this behavior attached to them.
+// IE is broken -- it doesn't think of behavior urls as
+// relative to the stylesheet. It considers them relative
+// to the webpage. As a result, you cannot reliably use
+// compass's relative_assets with PIE.
+@mixin pie-element(
+  $approach: $pie-default-approach,
+  $z-index: if($approach == z-index, 0),
+  $behavior : $pie-behavior 
+) {
+  behavior: $behavior;
+  @if $approach == relative {
+    position: relative;
+  }
+  @else if $approach == z-index {
+    z-index: $z-index;
+  }
+}
+
+// a smart mixin that knows to extend or include pie-element according
+// to your stylesheet's configuration variables.
+@mixin pie($base-class: $pie-base-class) {
+  @if $base-class {
+    @extend .#{$base-class};
+  }
+  @else {
+    @include pie-element;
+  }
+}

frameworks/compass/stylesheets/compass/_support.scss

@@ -27,3 +27,5 @@ $experimental-support-for-khtml     : true !default;
 // Setting this to true might add significant size to your
 // generated stylesheets.
 $experimental-support-for-svg     : false !default;
+// Support for CSS PIE in experimental css3 properties.
+$experimental-support-for-pie     : false !default;

frameworks/compass/stylesheets/compass/css3/_images.scss

@@ -18,9 +18,32 @@
   @if $experimental-support-for-svg     and prefixed(-svg,    $images) { background-image:    -svg($images); }
   @if $experimental-support-for-webkit  and prefixed(-webkit, $images) { background-image: -webkit($images); }
   @if $experimental-support-for-mozilla and prefixed(-moz,    $images) { background-image:    -moz($images); }
+  @if $experimental-support-for-pie     and (prefixed(-pie,    $images) or -compass-list-size($images) > 1) { @warn "PIE does not support background-image. Use @include background(#{$images}) instead." }
                                                                          background-image:         $images ;
 }
 
+@mixin background(
+  $background-1,
+  $background-2: false,
+  $background-3: false,
+  $background-4: false,
+  $background-5: false,
+  $background-6: false,
+  $background-7: false,
+  $background-8: false,
+  $background-9: false,
+  $background-10: false
+) {
+  $backgrounds: compact($background-1, $background-2, $background-3, $background-4, $background-5,
+                        $background-6, $background-7, $background-8, $background-9, $background-10);
+
+  @if $experimental-support-for-svg     and prefixed(-svg,    $backgrounds) {       background:    -svg($backgrounds); }
+  @if $experimental-support-for-webkit  and prefixed(-webkit, $backgrounds) {       background: -webkit($backgrounds); }
+  @if $experimental-support-for-mozilla and prefixed(-moz,    $backgrounds) {       background:    -moz($backgrounds); }
+  @if $experimental-support-for-pie     and (prefixed(-pie,   $backgrounds) or -compass-list-size($backgrounds) > 1) {  -pie-background:    -pie($backgrounds); }
+                                                                                    background:         $backgrounds;
+}
+
 @mixin border-image($value) {
   @if $experimental-support-for-mozilla {    -moz-border-image:    -moz(-compass-list($value)); }
   @if $experimental-support-for-webkit  { -webkit-border-image: -webkit(-compass-list($value)); }

frameworks/compass/templates/ellipsis/manifest.rb

@@ -6,9 +6,9 @@ stylesheet 'ellipsis.sass'
 help %Q{
 First, install the plugin to get the xml file that makes this work in firfox:
 
-  compass init --using blueprint/link_icons
+  compass init --using compass/ellipsis
 
-Then mix +ellipsis into your selectors to enable ellipsis
+Then @include "ellipsis" into your selectors to enable ellipsis
 there when text gets too long.
 
 The ellipsis.sass file is just an example for how to use this plugin,

frameworks/compass/templates/pie/LICENSE

@@ -0,0 +1,12 @@
+Copyright 2010 Jason Johnston
+
+CSS3 PIE is licensed under the terms of the Apache License Version 2.0, or
+alternatively under the terms of the General Public License (GPL) Version 2.
+You may use PIE according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the main directory of the PIE source
+repository:
+
+Apache License: http://github.com/lojjic/PIE/blob/master/LICENSE-APACHE2.txt
+GPL2 License: http://github.com/lojjic/PIE/blob/master/LICENSE-GPL2.txt

frameworks/compass/templates/pie/LICENSE-APACHE2.txt

@@ -0,0 +1,13 @@
+Copyright 2010 Jason Johnston
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.

frameworks/compass/templates/pie/LICENSE-GPL2.txt

@@ -0,0 +1,278 @@
+        GNU GENERAL PUBLIC LICENSE
+           Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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frameworks/compass/templates/pie/PIE.htc

@@ -0,0 +1,77 @@
+<!--
+PIE: CSS3 rendering for IE
+Version 1.0beta2
+http://css3pie.com
+Dual-licensed for use under the Apache License Version 2.0 or the General Public License (GPL) Version 2.
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+    </script>
+
+</PUBLIC:COMPONENT>

frameworks/compass/templates/pie/manifest.rb

@@ -0,0 +1,39 @@
+description "Plugin for cross-browser ellipsis truncated text."
+
+file 'PIE.htc', :like => :css
+stylesheet 'pie.scss'
+
+help %Q{
+CSS PIE is a javascript library that progressively enhances
+Internet Explorer to render many modern CSS capabilities
+wherever possible. To install:
+
+  compass install compass/pie
+
+This will install an example stylesheet and a PIE.htc behavior file
+that must be loaded into your pages for IE.
+This file must be delivered with the following mime-type:
+
+  Content-Type: text/x-component
+
+For more information see:
+  http://css3pie.com/
+
+CSS PIE is written by and copyright to: Jason Johnston
+
+Compass is using css3pie version 1.0-beta2. It can be upgraded by downloading
+a newer behavior file and replacing the one that comes with compass.
+}
+
+welcome_message %Q{
+The PIE.htc file must be delivered with the following mime-type:
+
+  Content-Type: text/x-component
+
+Please ensure that your webserver is properly configured.
+
+Unfornately, due to the suckiness of IE, PIE does not work with relative assets.
+
+For more information see:
+  http://css3pie.com/
+}

frameworks/compass/templates/pie/pie.scss

@@ -0,0 +1,62 @@
+// this file demonstrates how to use the CSS PIE extension for
+// legacy versions of Internet Explorer. In many cases, PIE will allow
+// you to style in CSS things that you'd have to do using image chops otherwise.
+//
+// Note: Each element that has PIE enabled on it will add about 10ms to your page load.
+@import "compass/pie";
+@import "compass/css3";
+
+// It is suggested that you use Sass's @extend directive to apply the PIE
+// behavior to your elements. Setting this variable will tell the `pie` mixin
+// to extend. Or you can just extend the base class yourself.
+$pie-base-class: pie-element;
+
+// There are two approaches to creating PIE elements
+// The default approach is to make the element position: relative.
+.pie-element {
+  // relative is the default, so passing relative
+  // is redundant, but we do it here for clarity.
+  @include pie-element(relative);
+}
+
+.bordered {
+  @include pie; // Because $pie-base-class is set, this results in an extend of .pie-element. 
+  @include border-radius(5px);
+}
+
+.gradient {
+  @include pie; // Because $pie-base-class is set, this results in an extend of .pie-element.
+  @include background(linear-gradient(#f00, #00f));
+}
+
+
+// But sometimes this messes up your positioning
+// So you can also use z-indexing. In this case
+// an ancestor element before or having the first
+// opaque background should be marked as a pie-container
+// which gives it a z-index of 0 (actually any z-index
+// can be provided to the pie-container mixin).
+// And then the pie element itself should be given
+// a z-index of -1.
+.pie-container {
+  @include pie-container;
+}
+
+.z-pie-element {
+  // this will get a z-index of 0, you can pass a z-index value if you want
+  @include pie-element(z-index);
+}
+
+.widget {
+  @extend .pie-container; // This will
+  h3 {
+    @include pie(z-pie-element); // This will extend .z-pie-element instead of .pie-element
+  }
+}
+
+
+// Lastly, you can just include the pie-element mixin directly if you need to do a one-off:
+.has-gradient {
+  @include pie-element(relative);
+  @include background(linear-gradient(#f00, #00f));
+}

lib/compass/sass_extensions/functions/gradient_support.rb

@@ -88,6 +88,10 @@ module Compass::SassExtensions::Functions::GradientSupport
       # XXX Add shape support if possible
       radial_svg_gradient(color_stops, position_and_angle || Sass::Script::String.new("center center"))
     end
+    def to_pie
+      Compass::Logger.new.record(:warning, "PIE does not support radial-gradient.")
+      Sass::Script::String.new("-pie-radial-gradient(unsupported)")
+    end
   end
 
   class LinearGradient < Sass::Script::Literal
@@ -121,6 +125,11 @@ module Compass::SassExtensions::Functions::GradientSupport
     def to_svg
       linear_svg_gradient(color_stops, position_and_angle || Sass::Script::String.new("top"))
     end
+    def to_pie
+      # PIE just uses the standard rep, but the property is prefixed so
+      # the presence of this attribute helps flag when to render a special rule.
+      to_s 
+    end
   end
 
   module Functions
@@ -355,7 +364,7 @@ module Compass::SassExtensions::Functions::GradientSupport
       list.class.new *list.values[start_index..end_index]
     end
 
-    %w(webkit moz o ms svg).each do |prefix|
+    %w(webkit moz o ms svg pie).each do |prefix|
       class_eval <<-RUBY, __FILE__, __LINE__ + 1
         def _#{prefix}(*args)
           List.new(*args.map! do |a|

lib/compass/sass_extensions/functions/urls.rb

@@ -11,7 +11,7 @@ module Compass::SassExtensions::Functions::Urls
       Compass.configuration.http_root_relative(Compass.configuration.css_dir)
     end
 
-    path = "#{http_stylesheets_path}/#{path}"
+    path = "#{http_stylesheets_path}/#{path.value}"
     if only_path.to_bool
       Sass::Script::String.new(clean_path(path))
     else

test/fixtures/stylesheets/compass/css/pie.css

@@ -0,0 +1,24 @@
+.pie-element, .bordered, .gradient {
+  behavior: url('/tmp/PIE.htc');
+  position: relative; }
+
+.bordered {
+  -moz-border-radius: 5px;
+  -webkit-border-radius: 5px;
+  -o-border-radius: 5px;
+  -ms-border-radius: 5px;
+  -khtml-border-radius: 5px;
+  border-radius: 5px; }
+
+.gradient {
+  background: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #ff0000), color-stop(100%, #0000ff));
+  background: -moz-linear-gradient(#ff0000 0%, #0000ff 100%);
+  -pie-background: linear-gradient(#ff0000 0%, #0000ff 100%);
+  background: linear-gradient(#ff0000 0%, #0000ff 100%); }
+
+.pie-container, .widget {
+  z-index: 0; }
+
+.z-pie-element, .widget h3 {
+  behavior: url('/tmp/PIE.htc');
+  z-index: 0; }

test/fixtures/stylesheets/compass/sass/pie.scss

@@ -0,0 +1,47 @@
+@import "compass/pie";
+@import "compass/css3";
+
+
+// There are two approaches to creating PIE elements
+// The default approach is to make the element position: relative.
+$pie-base-class: pie-element;
+.pie-element {
+  // relative is the default, so passing relative
+  // is redundant, but we do it here for clarity.
+  @include pie-element(relative);
+}
+
+.bordered {
+  @include pie; // Because $pie-base-class is set, this results in an extend of .pie-element. 
+  @include border-radius(5px);
+}
+
+.gradient {
+  @include pie; // Because $pie-base-class is set, this results in an extend of .pie-element.
+  @include background(linear-gradient(#f00, #00f));
+}
+
+
+// But sometimes this messes up your positioning
+// So you can also use z-indexing. In this case
+// an ancestor element before or having the first
+// opaque background should be marked as a pie-container
+// which gives it a z-index of 0 (actually any z-index
+// can be provided to the pie-container mixin).
+// And then the pie element itself should be given
+// a z-index of -1.
+.pie-container {
+  @include pie-container;
+}
+
+.z-pie-element {
+  // this will get a z-index of 0, you can pass a z-index value if you want
+  @include pie-element(z-index);
+}
+
+.widget {
+  @extend .pie-container; // This will
+  h3 {
+    @include pie(z-pie-element); // This will extend .z-pie-element instead of .pie-element
+  }
+}