--Added 3 new classes: PHPExcel_Chart_Axis, PHPExcel_Chart_GridLines,…

… PHPExcel_Chart_Properties.php

--Modified Chart.php and Writer/Excel2007/Chart.php for using new classes
--Now it is possible to set some (most of existing) options of Axis, Major Grid-lines and Minor Grid-lines
--No need to use that feature

Classes/PHPExcel/Chart.php

@@ -98,6 +98,33 @@ class PHPExcel_Chart
 	 */
 	private $_displayBlanksAs = '0';
 
+  /**
+   * Chart Asix Y as
+   *
+   * @var PHPExcel_Chart_Axis
+   */
+  private $_yAxis = null;
+
+  /**
+   * Chart Asix X as
+   *
+   * @var PHPExcel_Chart_Axis
+   */
+  private $_xAxis = null;
+
+  /**
+   * Chart Major Gridlines as
+   *
+   * @var PHPExcel_Chart_Gridlines
+   */
+  private $_majorGridlines = null;
+
+  /**
+   * Chart Minor Gridlines as
+   *
+   * @var PHPExcel_Chart_Gridlines
+   */
+  private $_minorGridlines = null;
 
 	/**
 	 * Top-Left Cell Position
@@ -150,7 +177,7 @@ class PHPExcel_Chart
 	/**
 	 * Create a new PHPExcel_Chart
 	 */
-	public function __construct($name, PHPExcel_Chart_Title $title = null, PHPExcel_Chart_Legend $legend = null, PHPExcel_Chart_PlotArea $plotArea = null, $plotVisibleOnly = true, $displayBlanksAs = '0', PHPExcel_Chart_Title $xAxisLabel = null, PHPExcel_Chart_Title $yAxisLabel = null)
+	public function __construct($name, PHPExcel_Chart_Title $title = null, PHPExcel_Chart_Legend $legend = null, PHPExcel_Chart_PlotArea $plotArea = null, $plotVisibleOnly = true, $displayBlanksAs = '0', PHPExcel_Chart_Title $xAxisLabel = null, PHPExcel_Chart_Title $yAxisLabel = null, PHPExcel_Chart_Axis $xAxis = null, PHPExcel_Chart_Axis $yAxis = null, PHPExcel_Chart_Gridlines $majorGridlines = null, PHPExcel_Chart_Gridlines $minorGridlines = null)
 	{
 		$this->_name = $name;
 		$this->_title = $title;
@@ -160,6 +187,10 @@ public function __construct($name, PHPExcel_Chart_Title $title = null, PHPExcel_
 		$this->_plotArea = $plotArea;
 		$this->_plotVisibleOnly = $plotVisibleOnly;
 		$this->_displayBlanksAs = $displayBlanksAs;
+		$this->_xAxis = $xAxis;
+		$this->_yAxis = $yAxis;
+    $this->_majorGridlines = $majorGridlines;
+    $this->_minorGridlines = $minorGridlines;
 	}
 
 	/**
@@ -327,6 +358,59 @@ public function setDisplayBlanksAs($displayBlanksAs = '0') {
 	}
 
 
+  /**
+   * Get yAxis
+   *
+   * @return PHPExcel_Chart_Axis
+   */
+  public function getChartAxisY() {
+    if($this->_yAxis !== NULL){
+      return $this->_yAxis;
+    }
+
+    return new PHPExcel_Chart_Axis();
+  }
+
+  /**
+   * Get xAxis
+   *
+   * @return PHPExcel_Chart_Axis
+   */
+  public function getChartAxisX() {
+    if($this->_xAxis !== NULL){
+      return $this->_xAxis;
+    }
+
+    return new PHPExcel_Chart_Axis();
+  }
+
+  /**
+   * Get Major Gridlines
+   *
+   * @return PHPExcel_Chart_Gridlines
+   */
+  public function getMajorGridlines() {
+    if($this->_majorGridlines !== NULL){
+      return $this->_majorGridlines;
+    }
+
+    return new PHPExcel_Chart_Gridlines();
+  }
+
+  /**
+   * Get Minor Gridlines
+   *
+   * @return PHPExcel_Chart_Gridlines
+   */
+  public function getMinorGridlines() {
+    if($this->_minorGridlines !== NULL){
+      return $this->_minorGridlines;
+    }
+
+    return new PHPExcel_Chart_Gridlines();
+  }
+
+
 	/**
 	 * Set the Top Left position for the chart
 	 *