Add a way to disable text wrapping through the api (Fix #247) (#311)

* Add a way to disable text wrapping (Fix #247)
* Fix PHPDoc boolean notation
* Fix PHPDoc param notation

src/Spout/Writer/Common/Helper/AbstractStyleHelper.php

@@ -122,7 +122,7 @@ abstract class AbstractStyleHelper
     protected function applyWrapTextIfCellContainsNewLine($style, $dataRow)
     {
         // if the "wrap text" option is already set, no-op
-        if ($style->shouldWrapText()) {
+        if ($style->hasSetWrapText()) {
             return $style;
         }
 

src/Spout/Writer/Style/Style.php

@@ -269,15 +269,24 @@ class Style
     }
 
     /**
+     * @param bool|void $shouldWrap Should the text be wrapped
      * @return Style
      */
-    public function setShouldWrapText()
+    public function setShouldWrapText($shouldWrap = true)
     {
-        $this->shouldWrapText = true;
+        $this->shouldWrapText = $shouldWrap;
         $this->hasSetWrapText = true;
         return $this;
     }
 
+    /**
+     * @return bool
+     */
+    public function hasSetWrapText()
+    {
+        return $this->hasSetWrapText;
+    }
+
     /**
      * @return bool Whether specific font properties should be applied
      */

src/Spout/Writer/Style/StyleBuilder.php

@@ -109,15 +109,15 @@ class StyleBuilder
     }
 
     /**
-     * Makes the text wrap in the cell if it's too long or
-     * on multiple lines.
+     * Makes the text wrap in the cell if requested
      *
      * @api
+     * @param bool $shouldWrap Should the text be wrapped
      * @return StyleBuilder
      */
-    public function setShouldWrapText()
+    public function setShouldWrapText($shouldWrap = true)
     {
-        $this->style->setShouldWrapText();
+        $this->style->setShouldWrapText($shouldWrap);
         return $this;
     }
 
@@ -138,7 +138,7 @@ class StyleBuilder
      *
      * @api
      * @param string $color ARGB color (@see Color)
-     * @return StyleBuilder 
+     * @return StyleBuilder
      */
     public function setBackgroundColor($color)
     {