Build a basic DiffusionPatternSearchView

Summary: Roughs this in a little, kinda basic. Allows for grouping results by page. A bit better on mobile. Would like more content return from conduit though.

Test Plan:
Test `CMS`, `cms`, and `OMGLOLWTFBBQ`, desktop and mobile

{F5099081}

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D18429

src/applications/diffusion/controller/DiffusionBrowseController.php

@@ -447,136 +447,53 @@ final class DiffusionBrowseController extends DiffusionController {
     }
     $results = $pager->sliceResults($results);
 
+    $table = null;
+    $header = null;
     if ($search_mode == 'grep') {
       $table = $this->renderGrepResults($results, $query_string);
-      $header = pht(
+      $title = pht(
         'File content matching "%s" under "%s"',
         $query_string,
         nonempty($drequest->getPath(), '/'));
+      $header = id(new PHUIHeaderView())
+        ->setHeader($title)
+        ->addClass('diffusion-search-result-header');
     }
 
-    return id(new PHUIObjectBoxView())
-      ->setHeaderText($header)
-      ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
-      ->setTable($table)
-      ->setPager($pager);
+    return array($header, $table, $pager);
 
   }
 
   private function renderGrepResults(array $results, $pattern) {
     $drequest = $this->getDiffusionRequest();
-
     require_celerity_resource('phabricator-search-results-css');
 
-    $rows = array();
-    foreach ($results as $result) {
-      list($path, $line, $string) = $result;
-
-      $href = $drequest->generateURI(array(
-        'action' => 'browse',
-        'path' => $path,
-        'line' => $line,
-      ));
-
-      $matches = null;
-      $count = @preg_match_all(
-        '('.$pattern.')u',
-        $string,
-        $matches,
-        PREG_OFFSET_CAPTURE);
-
-      if (!$count) {
-        $output = ltrim($string);
-      } else {
-        $output = array();
-        $cursor = 0;
-        $length = strlen($string);
-        foreach ($matches[0] as $match) {
-          $offset = $match[1];
-          if ($cursor != $offset) {
-            $output[] = array(
-              'text' => substr($string, $cursor, $offset),
-              'highlight' => false,
-            );
-          }
-          $output[] = array(
-            'text' => $match[0],
-            'highlight' => true,
-          );
-          $cursor = $offset + strlen($match[0]);
-        }
-        if ($cursor != $length) {
-          $output[] = array(
-            'text' => substr($string, $cursor),
-            'highlight' => false,
-          );
-        }
-
-        if ($output) {
-          $output[0]['text'] =  ltrim($output[0]['text']);
-        }
-
-        foreach ($output as $key => $segment) {
-          if ($segment['highlight']) {
-            $output[$key] = phutil_tag('strong', array(), $segment['text']);
-          } else {
-            $output[$key] = $segment['text'];
-          }
-        }
-      }
-
-      $string = phutil_tag(
-        'pre',
-        array('class' => 'PhabricatorMonospaced phui-source-fragment'),
-        $output);
-
-      $path = Filesystem::readablePath($path, $drequest->getPath());
-
-      $rows[] = array(
-        phutil_tag('a', array('href' => $href), $path),
-        $line,
-        $string,
-      );
+    if (!$results) {
+      return id(new PHUIInfoView())
+        ->setSeverity(PHUIInfoView::SEVERITY_NODATA)
+        ->appendChild(
+          pht(
+            'The pattern you searched for was not found in the content of any '.
+            'files.'));
     }
 
-    $table = id(new AphrontTableView($rows))
-      ->setClassName('remarkup-code')
-      ->setHeaders(array(pht('Path'), pht('Line'), pht('String')))
-      ->setColumnClasses(array('', 'n', 'wide'))
-      ->setNoDataString(
-        pht(
-          'The pattern you searched for was not found in the content of any '.
-          'files.'));
-
-    return $table;
-  }
-
-  private function renderFindResults(array $results) {
-    $drequest = $this->getDiffusionRequest();
-
-    $rows = array();
-    foreach ($results as $result) {
-      $href = $drequest->generateURI(array(
-        'action' => 'browse',
-        'path' => $result,
-      ));
-
-      $readable = Filesystem::readablePath($result, $drequest->getPath());
-
-      $rows[] = array(
-        phutil_tag('a', array('href' => $href), $readable),
-      );
+    $grouped = array();
+    foreach ($results as $file) {
+      list($path, $line, $string) = $file;
+      $grouped[$path][] = array($line, $string);
     }
 
-    $table = id(new AphrontTableView($rows))
-      ->setHeaders(array(pht('Path')))
-      ->setColumnClasses(array('wide'))
-      ->setNoDataString(
-        pht(
-          'The pattern you searched for did not match the names of any '.
-          'files.'));
+    $view = array();
+    foreach ($grouped as $path => $matches) {
+      $view[] = id(new DiffusionPatternSearchView())
+        ->setPath($path)
+        ->setMatches($matches)
+        ->setPattern($pattern)
+        ->setDiffusionRequest($drequest)
+        ->render();
+    }
 
-    return $table;
+    return $view;
   }
 
   private function loadLintMessages() {