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   1  <?php
   2  
   3  final class DifferentialChangesetFileTreeSideNavBuilder {
   4  
   5    private $title;
   6    private $baseURI;
   7    private $anchorName;
   8    private $collapsed = false;
   9  
  10    public function setAnchorName($anchor_name) {
  11      $this->anchorName = $anchor_name;
  12      return $this;
  13    }
  14    public function getAnchorName() {
  15      return $this->anchorName;
  16    }
  17  
  18    public function setBaseURI(PhutilURI $base_uri) {
  19      $this->baseURI = $base_uri;
  20      return $this;
  21    }
  22    public function getBaseURI() {
  23      return $this->baseURI;
  24    }
  25  
  26    public function setTitle($title) {
  27      $this->title = $title;
  28      return $this;
  29    }
  30    public function getTitle() {
  31      return $this->title;
  32    }
  33  
  34    public function setCollapsed($collapsed) {
  35      $this->collapsed = $collapsed;
  36      return $this;
  37    }
  38  
  39    public function build(array $changesets) {
  40      assert_instances_of($changesets, 'DifferentialChangeset');
  41  
  42      $nav = new AphrontSideNavFilterView();
  43      $nav->setBaseURI($this->getBaseURI());
  44      $nav->setFlexible(true);
  45      $nav->setCollapsed($this->collapsed);
  46  
  47      $anchor = $this->getAnchorName();
  48  
  49      $tree = new PhutilFileTree();
  50      foreach ($changesets as $changeset) {
  51        try {
  52          $tree->addPath($changeset->getFilename(), $changeset);
  53        } catch (Exception $ex) {
  54          // TODO: See T1702. When viewing the versus diff of diffs, we may
  55          // have files with the same filename. For example, if you have a setup
  56          // like this in SVN:
  57          //
  58          //  a/
  59          //    README
  60          //  b/
  61          //    README
  62          //
  63          // ...and you run "arc diff" once from a/, and again from b/, you'll
  64          // get two diffs with path README. However, in the versus diff view we
  65          // will compute their absolute repository paths and detect that they
  66          // aren't really the same file. This is correct, but causes us to
  67          // throw when inserting them.
  68          //
  69          // We should probably compute the smallest unique path for each file
  70          // and show these as "a/README" and "b/README" when diffed against
  71          // one another. However, we get this wrong in a lot of places (the
  72          // other TOC shows two "README" files, and we generate the same anchor
  73          // hash for both) so I'm just stopping the bleeding until we can get
  74          // a proper fix in place.
  75        }
  76      }
  77  
  78      require_celerity_resource('phabricator-filetree-view-css');
  79  
  80      $filetree = array();
  81  
  82      $path = $tree;
  83      while (($path = $path->getNextNode())) {
  84        $data = $path->getData();
  85  
  86        $name = $path->getName();
  87        $style = 'padding-left: '.(2 + (3 * $path->getDepth())).'px';
  88  
  89        $href = null;
  90        if ($data) {
  91          $href = '#'.$data->getAnchorName();
  92          $title = $name;
  93          $icon = id(new PHUIIconView())
  94            ->setIconFont('fa-file-text-o bluetext');
  95        } else {
  96          $name .= '/';
  97          $title = $path->getFullPath().'/';
  98          $icon = id(new PHUIIconView())
  99            ->setIconFont('fa-folder-open blue');
 100        }
 101  
 102        $name_element = phutil_tag(
 103          'span',
 104          array(
 105            'class' => 'phabricator-filetree-name',
 106          ),
 107          $name);
 108  
 109        $filetree[] = javelin_tag(
 110          $href ? 'a' : 'span',
 111          array(
 112            'href' => $href,
 113            'style' => $style,
 114            'title' => $title,
 115            'class' => 'phabricator-filetree-item',
 116          ),
 117          array($icon, $name_element));
 118      }
 119      $tree->destroy();
 120  
 121      $filetree = phutil_tag(
 122        'div',
 123        array(
 124          'class' => 'phabricator-filetree',
 125        ),
 126        $filetree);
 127  
 128      Javelin::initBehavior('phabricator-file-tree', array());
 129  
 130      $nav->addLabel(pht('Changed Files'));
 131      $nav->addCustomBlock($filetree);
 132      $nav->setActive(true);
 133      $nav->selectFilter(null);
 134      return $nav;
 135    }
 136  
 137  }