Genericize implementing views which expose common attributes

Summary: Some views expose some/most/all of the basics (id, class, sigil, metadata, etc); let them extend a dedicated view to get it for free.

Test Plan: Viewed home page, paste, mobile dropdown, etc.

Reviewers: btrahan, chad

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D4440

src/__phutil_library_map__.php

@@ -83,6 +83,7 @@ phutil_register_library_map(array(
     'AphrontResponse' => 'aphront/response/AphrontResponse.php',
     'AphrontSideNavFilterView' => 'view/layout/AphrontSideNavFilterView.php',
     'AphrontTableView' => 'view/control/AphrontTableView.php',
+    'AphrontTagView' => 'view/AphrontTagView.php',
     'AphrontTokenizerTemplateView' => 'view/control/AphrontTokenizerTemplateView.php',
     'AphrontTypeaheadTemplateView' => 'view/control/AphrontTypeaheadTemplateView.php',
     'AphrontURIMapper' => 'aphront/AphrontURIMapper.php',
@@ -1515,6 +1516,7 @@ phutil_register_library_map(array(
     'AphrontRequestTestCase' => 'PhabricatorTestCase',
     'AphrontSideNavFilterView' => 'AphrontView',
     'AphrontTableView' => 'AphrontView',
+    'AphrontTagView' => 'AphrontView',
     'AphrontTokenizerTemplateView' => 'AphrontView',
     'AphrontTypeaheadTemplateView' => 'AphrontView',
     'AphrontUsageException' => 'AphrontException',
@@ -2305,7 +2307,7 @@ phutil_register_library_map(array(
     'PhabricatorManiphestConfigOptions' => 'PhabricatorApplicationConfigOptions',
     'PhabricatorMarkupCache' => 'PhabricatorCacheDAO',
     'PhabricatorMenuItemView' => 'AphrontView',
-    'PhabricatorMenuView' => 'AphrontView',
+    'PhabricatorMenuView' => 'AphrontTagView',
     'PhabricatorMetaMTAController' => 'PhabricatorController',
     'PhabricatorMetaMTADAO' => 'PhabricatorLiskDAO',
     'PhabricatorMetaMTAEmailBodyParserTestCase' => 'PhabricatorTestCase',

src/view/AphrontTagView.php

@@ -0,0 +1,158 @@
+<?php
+
+/**
+ * View which renders down to a single tag, and provides common access for tag
+ * attributes (setting classes, sigils, IDs, etc).
+ */
+abstract class AphrontTagView extends AphrontView {
+
+  private $id;
+  private $classes = array();
+  private $sigils = array();
+  private $style;
+  private $metadata;
+  private $mustCapture;
+  private $workflow;
+
+
+  public function setWorkflow($workflow) {
+    $this->workflow = $workflow;
+    return $this;
+  }
+
+  public function getWorkflow() {
+    return $this->workflow;
+  }
+
+  public function setMustCapture($must_capture) {
+    $this->mustCapture = $must_capture;
+    return $this;
+  }
+
+  public function getMustCapture() {
+    return $this->mustCapture;
+  }
+
+  final public function setMetadata(array $metadata) {
+    $this->metadata = $metadata;
+    return $this;
+  }
+
+  final public function getMetadata() {
+    return $this->metadata;
+  }
+
+  final public function setStyle($style) {
+    $this->style = $style;
+    return $this;
+  }
+
+  final public function getStyle() {
+    return $this->style;
+  }
+
+  final public function addSigil($sigil) {
+    $this->sigils[] = $sigil;
+    return $this;
+  }
+
+  final public function getSigil() {
+    return $this->sigil;
+  }
+
+  public function addClass($class) {
+    $this->classes[] = $class;
+    return $this;
+  }
+
+  public function getClass() {
+    return $this->class;
+  }
+
+  public function setID($id) {
+    $this->id = $id;
+    return $this;
+  }
+
+  public function getID() {
+    return $this->id;
+  }
+
+  protected function getTagName() {
+    return 'div';
+  }
+
+  protected function getTagAttributes() {
+    return array();
+  }
+
+  protected function getTagContent() {
+    return $this->renderChildren();
+  }
+
+  protected function willRender() {
+    return;
+  }
+
+  final public function render() {
+    $this->willRender();
+
+    $attributes = $this->getTagAttributes();
+
+    $implode = array('class', 'sigil');
+    foreach ($implode as $attr) {
+      if (isset($attributes[$attr])) {
+        if (is_array($attributes[$attr])) {
+          $attributes[$attr] = implode(' ', $attributes[$attr]);
+        }
+      }
+    }
+
+    if (!is_array($attributes)) {
+      $class = get_class($this);
+      throw new Exception(
+        "View '{$class}' did not return an array from getTagAttributes()!");
+    }
+
+    $sigils = $this->sigils;
+    if ($this->workflow) {
+      $sigils[] = 'workflow';
+    }
+
+    $tag_view_attributes = array(
+      'id' => $this->id,
+
+      'class' => $this->classes ? implode(' ', $this->classes) : null,
+      'style' => $this->style,
+
+      'meta' => $this->metadata,
+      'sigil' => $sigils ? implode(' ', $sigils) : null,
+      'mustcapture' => $this->mustCapture,
+    );
+
+    foreach ($tag_view_attributes as $key => $value) {
+      if ($value === null) {
+        continue;
+      }
+      if (!isset($attributes[$key])) {
+        $attributes[$key] = $value;
+        continue;
+      }
+      switch ($key) {
+        case 'class':
+        case 'sigil':
+          $attributes[$key] = $attributes[$key].' '.$value;
+          break;
+        default:
+          // Use the explicitly set value rather than the tag default value.
+          $attributes[$key] = $value;
+          break;
+      }
+    }
+
+    return javelin_render_tag(
+      $this->getTagName(),
+      $attributes,
+      $this->getTagContent());
+  }
+}

src/view/layout/PhabricatorMenuItemView.php

@@ -1,6 +1,6 @@
 <?php
 
-final class PhabricatorMenuItemView extends AphrontView {
+final class PhabricatorMenuItemView extends AphrontTagView {
 
   const TYPE_LINK     = 'type-link';
   const TYPE_SPACER   = 'type-spacer';
@@ -11,19 +11,9 @@ final class PhabricatorMenuItemView extends AphrontView {
   private $type = self::TYPE_LINK;
   private $isExternal;
   private $key;
-  private $classes = array();
-  private $workflow;
   private $sortOrder = 1.0;
   private $icon;
   private $selected;
-  private $sigils = array();
-  private $metadata;
-  private $id;
-
-  public function setID($id) {
-    $this->id = $id;
-    return $this;
-  }
 
   public function setProperty($property) {
     $this->property = $property;
@@ -34,16 +24,6 @@ final class PhabricatorMenuItemView extends AphrontView {
     return $this->property;
   }
 
-  public function setMetadata($metadata) {
-    $this->metadata = $metadata;
-    return $this;
-  }
-
-  public function addSigil($sigil) {
-    $this->sigils[] = $sigil;
-    return $this;
-  }
-
   public function setSelected($selected) {
     $this->selected = $selected;
     return $this;
@@ -107,20 +87,6 @@ final class PhabricatorMenuItemView extends AphrontView {
     return $this->isExternal;
   }
 
-  public function addClass($class) {
-    $this->classes[] = $class;
-    return $this;
-  }
-
-  public function setWorkflow($workflow) {
-    $this->workflow = $workflow;
-    return $this;
-  }
-
-  public function getWorkflow() {
-    return $this->workflow;
-  }
-
   public function setSortOrder($order) {
     $this->sortOrder = $order;
     return $this;
@@ -130,14 +96,21 @@ final class PhabricatorMenuItemView extends AphrontView {
     return $this->sortOrder;
   }
 
-  public function render() {
-    $classes = array(
-      'phabricator-menu-item-view',
-      'phabricator-menu-item-'.$this->type,
+  protected function getTagName() {
+    return $this->href ? 'a' : 'div';
+  }
+
+  protected function getTagAttributes() {
+    return array(
+      'class' => array(
+        'phabricator-menu-item-view',
+        'phabricator-menu-item-'.$this->type,
+      ),
+      'href' => $this->href,
     );
+  }
 
-    $classes = array_merge($classes, $this->classes);
-
+  protected function getTagContent() {
     $name = null;
     if ($this->name) {
       $external = null;
@@ -152,27 +125,7 @@ final class PhabricatorMenuItemView extends AphrontView {
         phutil_escape_html($this->name.$external));
     }
 
-    $sigils = $this->sigils;
-    if ($this->workflow) {
-      $sigils[] = 'workflow';
-    }
-    if ($sigils) {
-      $sigils = implode(' ', $sigils);
-    } else {
-      $sigils = null;
-    }
-
-    return javelin_render_tag(
-      $this->href ? 'a' : 'div',
-      array(
-        'class' => implode(' ', $classes),
-        'href'  => $this->href,
-        'sigil' => $sigils,
-        'meta'  => $this->metadata,
-        'id'    => $this->id,
-      ),
-      $this->renderChildren().
-      $name);
+    return $this->renderChildren().$name;
   }
 
 }

src/view/layout/PhabricatorMenuView.php

@@ -1,14 +1,8 @@
 <?php
 
-final class PhabricatorMenuView extends AphrontView {
+final class PhabricatorMenuView extends AphrontTagView {
 
   private $items = array();
-  private $classes = array();
-
-  public function addClass($class) {
-    $this->classes[] = $class;
-    return $this;
-  }
 
   public function newLabel($name) {
     $item = id(new PhabricatorMenuItemView())
@@ -59,7 +53,7 @@ final class PhabricatorMenuView extends AphrontView {
     return $this->items;
   }
 
-  public function render() {
+  protected function willRender() {
     $key_map = array();
     foreach ($this->items as $item) {
       $key = $item->getKey();
@@ -71,16 +65,11 @@ final class PhabricatorMenuView extends AphrontView {
         $key_map[$key] = $item;
       }
     }
-
-    $classes = $this->classes;
-    $classes[] = 'phabricator-menu-view';
-
-    return phutil_render_tag(
-      'div',
-      array(
-        'class' => implode(' ', $classes),
-      ),
-      $this->renderChildren());
   }
 
+  protected function getTagAttributes() {
+    return array(
+      'class' => 'phabricator-menu-view',
+    );
+  }
 }