Allow setting of button colors in headers

Summary: We currently override button color for headers, since the default is blue, but if a developer sets a specific color, we should respect that.

Test Plan: Set a button in the header to green and see green. See grey everywhere else.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17922

src/view/phui/PHUIButtonView.php

@@ -64,6 +64,10 @@ final class PHUIButtonView extends AphrontTagView {
     return $this;
   }
 
+  public function getColor() {
+    return $this->color;
+  }
+
   public function setDisabled($disabled) {
     $this->disabled = $disabled;
     return $this;

src/view/phui/PHUIHeaderView.php

@@ -267,7 +267,9 @@ final class PHUIHeaderView extends AphrontTagView {
     if ($this->actionLinks) {
       $actions = array();
       foreach ($this->actionLinks as $button) {
-        $button->setColor(PHUIButtonView::GREY);
+        if (!$button->getColor()) {
+          $button->setColor(PHUIButtonView::GREY);
+        }
         $button->addClass(PHUI::MARGIN_SMALL_LEFT);
         $button->addClass('phui-header-action-link');
         $actions[] = $button;