From a9d62d90ad6b78618a8491d292d75ceced033f2b Mon Sep 17 00:00:00 2001
From: xue <>
Date: Sun, 15 Jan 2006 19:46:50 +0000
Subject: Added column components of datagrid.

---
 framework/Web/UI/WebControls/TBoundColumn.php | 144 ++++++++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 framework/Web/UI/WebControls/TBoundColumn.php

(limited to 'framework/Web/UI/WebControls/TBoundColumn.php')

diff --git a/framework/Web/UI/WebControls/TBoundColumn.php b/framework/Web/UI/WebControls/TBoundColumn.php
new file mode 100644
index 00000000..729f21fd
--- /dev/null
+++ b/framework/Web/UI/WebControls/TBoundColumn.php
@@ -0,0 +1,144 @@
+<?php
+/**
+ * TBoundColumn class file
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  $Date: $
+ * @package System.Web.UI.WebControls
+ */
+
+/**
+ * TDataGridColumn class file
+ */
+Prado::using('System.Web.UI.WebControls.TDataGridColumn');
+
+/**
+ * TBoundColumn class
+ *
+ * TBoundColumn represents a column that is bound to a field in a data source.
+ * The cells in the column will be displayed using the data indexed by
+ * <b>DataField</b>. You can customize the display by setting <b>DataFormatString</b>.
+ *
+ * If <b>ReadOnly</b> is false, TBoundColumn will display cells in edit mode
+ * with textboxes. Otherwise, a static text is displayed.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Revision: $  $Date: $
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class TBoundColumn extends TDataGridColumn
+{
+	/**
+	 * @return string the field name from the data source to bind to the column
+	 */
+	public function getDataField()
+	{
+		return $this->getViewState('DataField','');
+	}
+
+	/**
+	 * @param string the field name from the data source to bind to the column
+	 */
+	public function setDataField($value)
+	{
+		$this->setViewState('DataField',$value,'');
+		$this->onColumnChanged();
+	}
+
+	/**
+	 * @return string the formatting string used to control how the bound data will be displayed.
+	 */
+	public function getDataFormatString()
+	{
+		return $this->getViewState('DataFormatString','');
+	}
+
+	/**
+	 * @param string the formatting string used to control how the bound data will be displayed.
+	 */
+	public function setDataFormatString($value)
+	{
+		$this->setViewState('DataFormatString',$value,'');
+		$this->onColumnChanged();
+	}
+
+	/**
+	 * @return boolean whether the items in the column can be edited. Defaults to false.
+	 */
+	public function getReadOnly()
+	{
+		return $this->getViewState('ReadOnly',false);
+	}
+
+	/**
+	 * @param boolean whether the items in the column can be edited
+	 */
+	public function setReadOnly($value)
+	{
+		$this->setViewState('ReadOnly',TPropertyValue::ensureBoolean($value),false);
+		$this->onColumnChanged();
+	}
+
+	/**
+	 * Initializes the specified cell to its initial values.
+	 * This method overrides the parent implementation.
+	 * It creates a textbox for item in edit mode and the column is not read-only.
+	 * Otherwise it displays a static text.
+	 * The caption of the button and the static text are retrieved
+	 * from the datasource.
+	 * @param TTableCell the cell to be initialized.
+	 * @param integer the index to the Columns property that the cell resides in.
+	 * @param string the type of cell (Header,Footer,Item,AlternatingItem,EditItem,SelectedItem)
+	 */
+	public function initializeCell($cell,$columnIndex,$itemType)
+	{
+		parent::initializeCell($cell,$columnIndex,$itemType);
+		switch($itemType)
+		{
+			case 'EditItem':
+				$control=$cell;
+				if(!$this->getReadOnly())
+				{
+					$textBox=Prado::createComponent('System.Web.UI.WebControls.TTextBox');
+					$cell->getControls()->add($textBox);
+					$control=$textBox;
+				}
+			case 'Item':
+			case 'AlternatingItem':
+			case 'SelectedItem':
+				if(($dataField=$this->getDataField())!=='')
+					$control->attachEventHandler('DataBinding',array($this,'dataBindColumn'));
+				break;
+		}
+	}
+
+	public function dataBindColumn($sender,$param)
+	{
+		$item=$sender->getNamingContainer();
+		$data=$item->getDataItem();
+		if(($field=$this->getDataField())!=='')
+			$value=$this->formatDataValue($this->getDataFieldValue($data,$field));
+		else
+			$value=$this->formatDataValue($data);
+		if(($sender instanceof TTableCell) || ($sender instanceof TTextBox))
+			$sender->setText($value);
+	}
+
+	/**
+	 * Formats the text value according to format string.
+	 * This method is invoked when setting the text to a cell.
+	 * This method can be overriden.
+	 * @param mixed the data associated with the cell
+	 * @return string the formatted result
+	 */
+	protected function formatDataValue($formatString,$value)
+	{
+		return $formatString===''?TPropertyValue::ensureString($value):sprintf($formatString,$value);
+	}
+}
+
+?>
\ No newline at end of file
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