Adding mySfTask

1 files changed, 58 insertions, 0 deletions

diff --git a/lib/task/mySfTask.class.php b/lib/task/mySfTask.class.php
new file mode 100644
index 0000000..15d4502
--- /dev/null
+++ b/lib/task/mySfTask.class.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * See http://pastebin.com/SarJ5mjP
+ *     http://www.mail-archive.com/symfony-users@googlegroups.com/msg27122.html
+ */
+abstract class mySfTask extends sfBaseTask
+{
+  private
+    $counter = 1,
+    $indicators = array('-', '\\', '|', '/');
+  
+  /**
+   * Output a progress bar
+   *
+   * @param integer $current The current iteration, must always be 0 on first call
+   * @param integer $total Total number of iterations this progressbar will handle
+   * @param integer $size Width of the progress bar in characters
+   **/
+  public function progressBar($current=0, $total=100, $size=NULL)
+  {
+    if(is_null($size))
+    {
+      $size = (int) `tput cols`;
+    }
+    
+    // Don't do anything if this isn't a commandline task or verbosity is off
+    if (is_null($this->commandApplication) || !$this->commandApplication->isVerbose())
+    {
+      return;
+    }
+    
+    $perc = ($current/$total)*100;
+
+    // Show activity by cycling through the array of indicators on each iteration
+    $this->counter += $this->counter === count($this->indicators) ? -3 : 1;
+    $indicator = $this->indicators[$this->counter - 1];
+
+    // if it's not first iteration, remove the previous bar by outputting a
+    // backspace characters
+    if($current > 0) echo str_repeat("\x08", $size);
+
+    // generate progess bar
+    $progress = floor($current / $total * ($size - 11));
+    $soFar      = str_repeat('=', $progress);
+    $remaining  = str_repeat(' ', $size - 11 - $progress);
+
+    // prefix the bar with a (padded) percent progress and activity indicator
+    // and wrap it in square brackets, with a greater-than as the current
+    // position indicator
+    printf(" %s %3u%% [%s>%s]",$indicator,$perc,$soFar,$remaining);
+    
+    // if it's the end, add a new line
+    if($current == $total)
+    {
+      echo "\n";
+    }
+  }
+}