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-rw-r--r--lib/task/mySfTask.class.php58
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";
+ }
+ }
+}