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Diffstat (limited to 'framework/Web/UI/WebControls/TBoundColumn.php')
| -rw-r--r-- | framework/Web/UI/WebControls/TBoundColumn.php | 144 |
1 files changed, 144 insertions, 0 deletions
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 © 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);
+ }
+}
+
+?>
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