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TAccordion.php
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TRatingList.php
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TRequiredFieldValidator.php
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TWizard.php
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Code Editor : TDataGrid.php
<?php /** * TDataGrid related class files. * This file contains the definition of the following classes: * TDataGrid, TDataGridItem, TDataGridItemCollection, TDataGridColumnCollection, * TDataGridPagerStyle, TDataGridItemEventParameter, * TDataGridCommandEventParameter, TDataGridSortCommandEventParameter, * TDataGridPageChangedEventParameter * * @author Qiang Xue <qiang.xue@gmail.com> * @link http://www.pradosoft.com/ * @copyright Copyright © 2005-2014 PradoSoft * @license http://www.pradosoft.com/license/ * @package System.Web.UI.WebControls */ /** * Includes TBaseList, TPagedDataSource, TDummyDataSource and TTable classes */ Prado::using('System.Web.UI.WebControls.TBaseDataList'); Prado::using('System.Collections.TPagedDataSource'); Prado::using('System.Collections.TDummyDataSource'); Prado::using('System.Web.UI.WebControls.TTable'); Prado::using('System.Web.UI.WebControls.TPanel'); Prado::using('System.Web.UI.WebControls.TDataGridPagerStyle'); /** * TDataGrid class * * TDataGrid represents a data bound and updatable grid control. * * To populate data into the datagrid, sets its {@link setDataSource DataSource} * to a tabular data source and call {@link dataBind()}. * Each row of data will be represented by an item in the {@link getItems Items} * collection of the datagrid. * * An item can be at one of three states: browsing, selected and edit. * The state determines how the item will be displayed. For example, if an item * is in edit state, it may be displayed as a table row with input text boxes * if the columns are of type {@link TBoundColumn}; and if in browsing state, * they are displayed as static text. * * To change the state of an item, set {@link setEditItemIndex EditItemIndex} * or {@link setSelectedItemIndex SelectedItemIndex} property. * * Each datagrid item has a {@link TDataGridItem::getItemType type} * which tells the position and state of the item in the datalist. An item in the header * of the repeater is of type Header. A body item may be of either * Item, AlternatingItem, SelectedItem or EditItem, depending whether the item * index is odd or even, whether it is being selected or edited. * * A datagrid is specified with a list of columns. Each column specifies how the corresponding * table column will be displayed. For example, the header/footer text of that column, * the cells in that column, and so on. The following column types are currently * provided by the framework, * - {@link TBoundColumn}, associated with a specific field in datasource and displays the corresponding data. * - {@link TEditCommandColumn}, displaying edit/update/cancel command buttons * - {@link TButtonColumn}, displaying generic command buttons that may be bound to specific field in datasource. * - {@link TDropDownListColumn}, displaying a dropdown list when the item is in edit state * - {@link THyperLinkColumn}, displaying a hyperlink that may be bound to specific field in datasource. * - {@link TCheckBoxColumn}, displaying a checkbox that may be bound to specific field in datasource. * - {@link TTemplateColumn}, displaying content based on templates. * * There are three ways to specify columns for a datagrid. * <ul> * <li>Automatically generated based on data source. * By setting {@link setAutoGenerateColumns AutoGenerateColumns} to true, * a list of columns will be automatically generated based on the schema of the data source. * Each column corresponds to a column of the data.</li> * <li>Specified in template. For example, * <code> * <com:TDataGrid ...> * <com:TBoundColumn .../> * <com:TEditCommandColumn .../> * </com:TDataGrid> * </code> * </li> * <li>Manually created in code. Columns can be manipulated via * the {@link setColumns Columns} property of the datagrid. For example, * <code> * $column=new TBoundColumn; * $datagrid->Columns[]=$column; * </code> * </li> * </ul> * Note, automatically generated columns cannot be accessed via * the {@link getColumns Columns} property. * * TDataGrid supports sorting. If the {@link setAllowSorting AllowSorting} * is set to true, a column with nonempty {@link setSortExpression SortExpression} * will have its header text displayed as a clickable link button. * Clicking on the link button will raise {@link onSortCommand OnSortCommand} * event. You can respond to this event, sort the data source according * to the event parameter, and then invoke {@link databind()} on the datagrid * to show to end users the sorted data. * * TDataGrid supports paging. If the {@link setAllowPaging AllowPaging} * is set to true, a pager will be displayed on top and/or bottom of the table. * How the pager will be displayed is determined by the {@link getPagerStyle PagerStyle} * property. Clicking on a pager button will raise an {@link onPageIndexChanged OnPageIndexChanged} * event. You can respond to this event, specify the page to be displayed by * setting {@link setCurrentPageIndex CurrentPageIndex}</b> property, * and then invoke {@link databind()} on the datagrid to show to end users * a new page of data. * * TDataGrid supports two kinds of paging. The first one is based on the number of data items in * datasource. The number of pages {@link getPageCount PageCount} is calculated based * the item number and the {@link setPageSize PageSize} property. * The datagrid will manage which section of the data source to be displayed * based on the {@link setCurrentPageIndex CurrentPageIndex} property. * The second approach calculates the page number based on the * {@link setVirtualItemCount VirtualItemCount} property and * the {@link setPageSize PageSize} property. The datagrid will always * display from the beginning of the datasource up to the number of * {@link setPageSize PageSize} data items. This approach is especially * useful when the datasource may contain too many data items to be managed by * the datagrid efficiently. * * When the datagrid contains a button control that raises an {@link onCommand OnCommand} * event, the event will be bubbled up to the datagrid control. * If the event's command name is recognizable by the datagrid control, * a corresponding item event will be raised. The following item events will be * raised upon a specific command: * - OnEditCommand, if CommandName=edit * - OnCancelCommand, if CommandName=cancel * - OnSelectCommand, if CommandName=select * - OnDeleteCommand, if CommandName=delete * - OnUpdateCommand, if CommandName=update * - onPageIndexChanged, if CommandName=page * - OnSortCommand, if CommandName=sort * Note, an {@link onItemCommand OnItemCommand} event is raised in addition to * the above specific command events. * * TDataGrid also raises an {@link onItemCreated OnItemCreated} event for * every newly created datagrid item. You can respond to this event to customize * the content or style of the newly created item. * * Note, the data bound to the datagrid are reset to null after databinding. * There are several ways to access the data associated with a datagrid row: * - Access the data in {@link onItemDataBound OnItemDataBound} event * - Use {@link getDataKeys DataKeys} to obtain the data key associated with * the specified datagrid row and use the key to fetch the corresponding data * from some persistent storage such as DB. * - Save the data in viewstate and get it back during postbacks. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGrid extends TBaseDataList implements INamingContainer { /** * datagrid item types * @deprecated deprecated since version 3.0.4. Use TListItemType constants instead. */ const IT_HEADER='Header'; const IT_FOOTER='Footer'; const IT_ITEM='Item'; const IT_SEPARATOR='Separator'; const IT_ALTERNATINGITEM='AlternatingItem'; const IT_EDITITEM='EditItem'; const IT_SELECTEDITEM='SelectedItem'; const IT_PAGER='Pager'; /** * Command name that TDataGrid understands. */ const CMD_SELECT='Select'; const CMD_EDIT='Edit'; const CMD_UPDATE='Update'; const CMD_DELETE='Delete'; const CMD_CANCEL='Cancel'; const CMD_SORT='Sort'; const CMD_PAGE='Page'; const CMD_PAGE_NEXT='Next'; const CMD_PAGE_PREV='Previous'; const CMD_PAGE_FIRST='First'; const CMD_PAGE_LAST='Last'; /** * @var TDataGridColumnCollection manually created column collection */ private $_columns=null; /** * @var TDataGridColumnCollection automatically created column collection */ private $_autoColumns=null; /** * @var TList all columns including both manually and automatically created columns */ private $_allColumns=null; /** * @var TDataGridItemCollection datagrid item collection */ private $_items=null; /** * @var TDataGridItem header item */ private $_header=null; /** * @var TDataGridItem footer item */ private $_footer=null; /** * @var TPagedDataSource paged data source object */ private $_pagedDataSource=null; private $_topPager=null; private $_bottomPager=null; /** * @var ITemplate template used when empty data is bounded */ private $_emptyTemplate=null; /** * @var boolean whether empty template is effective */ private $_useEmptyTemplate=false; /** * @return string tag name (table) of the datagrid */ protected function getTagName() { return 'table'; } /** * @return string Name of the class used in AutoGenerateColumns mode */ protected function getAutoGenerateColumnName() { return 'TBoundColumn'; } /** * Adds objects parsed in template to datagrid. * Datagrid columns are added into {@link getColumns Columns} collection. * @param mixed object parsed in template */ public function addParsedObject($object) { if($object instanceof TDataGridColumn) $this->getColumns()->add($object); else parent::addParsedObject($object); // this is needed by EmptyTemplate } /** * @return TDataGridColumnCollection manually specified datagrid columns */ public function getColumns() { if(!$this->_columns) $this->_columns=new TDataGridColumnCollection($this); return $this->_columns; } /** * @return TDataGridColumnCollection automatically generated datagrid columns */ public function getAutoColumns() { if(!$this->_autoColumns) $this->_autoColumns=new TDataGridColumnCollection($this); return $this->_autoColumns; } /** * @return TDataGridItemCollection datagrid item collection */ public function getItems() { if(!$this->_items) $this->_items=new TDataGridItemCollection; return $this->_items; } /** * @return integer number of items */ public function getItemCount() { return $this->_items?$this->_items->getCount():0; } /** * Creates a style object for the control. * This method creates a {@link TTableStyle} to be used by datagrid. * @return TTableStyle control style to be used */ protected function createStyle() { return new TTableStyle; } /** * @return string the URL of the background image for the datagrid */ public function getBackImageUrl() { return $this->getStyle()->getBackImageUrl(); } /** * @param string the URL of the background image for the datagrid */ public function setBackImageUrl($value) { $this->getStyle()->setBackImageUrl($value); } /** * @return TTableItemStyle the style for every item */ public function getItemStyle() { if(($style=$this->getViewState('ItemStyle',null))===null) { $style=new TTableItemStyle; $this->setViewState('ItemStyle',$style,null); } return $style; } /** * @return TTableItemStyle the style for each alternating item */ public function getAlternatingItemStyle() { if(($style=$this->getViewState('AlternatingItemStyle',null))===null) { $style=new TTableItemStyle; $this->setViewState('AlternatingItemStyle',$style,null); } return $style; } /** * @return TTableItemStyle the style for selected item */ public function getSelectedItemStyle() { if(($style=$this->getViewState('SelectedItemStyle',null))===null) { $style=new TTableItemStyle; $this->setViewState('SelectedItemStyle',$style,null); } return $style; } /** * @return TTableItemStyle the style for edit item */ public function getEditItemStyle() { if(($style=$this->getViewState('EditItemStyle',null))===null) { $style=new TTableItemStyle; $this->setViewState('EditItemStyle',$style,null); } return $style; } /** * @return TTableItemStyle the style for header */ public function getHeaderStyle() { if(($style=$this->getViewState('HeaderStyle',null))===null) { $style=new TTableItemStyle; $this->setViewState('HeaderStyle',$style,null); } return $style; } /** * @return TTableItemStyle the style for footer */ public function getFooterStyle() { if(($style=$this->getViewState('FooterStyle',null))===null) { $style=new TTableItemStyle; $this->setViewState('FooterStyle',$style,null); } return $style; } /** * @return TDataGridPagerStyle the style for pager */ public function getPagerStyle() { if(($style=$this->getViewState('PagerStyle',null))===null) { $style=new TDataGridPagerStyle; $this->setViewState('PagerStyle',$style,null); } return $style; } /** * @return TStyle the style for thead element, if any * @since 3.1.1 */ public function getTableHeadStyle() { if(($style=$this->getViewState('TableHeadStyle',null))===null) { $style=new TStyle; $this->setViewState('TableHeadStyle',$style,null); } return $style; } /** * @return TStyle the style for tbody element, if any * @since 3.1.1 */ public function getTableBodyStyle() { if(($style=$this->getViewState('TableBodyStyle',null))===null) { $style=new TStyle; $this->setViewState('TableBodyStyle',$style,null); } return $style; } /** * @return TStyle the style for tfoot element, if any * @since 3.1.1 */ public function getTableFootStyle() { if(($style=$this->getViewState('TableFootStyle',null))===null) { $style=new TStyle; $this->setViewState('TableFootStyle',$style,null); } return $style; } /** * @return string caption for the datagrid */ public function getCaption() { return $this->getViewState('Caption',''); } /** * @param string caption for the datagrid */ public function setCaption($value) { $this->setViewState('Caption',$value,''); } /** * @return TTableCaptionAlign datagrid caption alignment. Defaults to TTableCaptionAlign::NotSet. */ public function getCaptionAlign() { return $this->getViewState('CaptionAlign',TTableCaptionAlign::NotSet); } /** * @param TTableCaptionAlign datagrid caption alignment. Valid values include */ public function setCaptionAlign($value) { $this->setViewState('CaptionAlign',TPropertyValue::ensureEnum($value,'TTableCaptionAlign'),TTableCaptionAlign::NotSet); } /** * @return TDataGridItem the header item */ public function getHeader() { return $this->_header; } /** * @return TDataGridItem the footer item */ public function getFooter() { return $this->_footer; } /** * @return TDataGridPager the pager displayed at the top of datagrid. It could be null if paging is disabled. */ public function getTopPager() { return $this->_topPager; } /** * @return TDataGridPager the pager displayed at the bottom of datagrid. It could be null if paging is disabled. */ public function getBottomPager() { return $this->_bottomPager; } /** * @return TDataGridItem the selected item, null if no item is selected. */ public function getSelectedItem() { $index=$this->getSelectedItemIndex(); $items=$this->getItems(); if($index>=0 && $index<$items->getCount()) return $items->itemAt($index); else return null; } /** * @return integer the zero-based index of the selected item in {@link getItems Items}. * A value -1 means no item selected. */ public function getSelectedItemIndex() { return $this->getViewState('SelectedItemIndex',-1); } /** * Selects an item by its index in {@link getItems Items}. * Previously selected item will be un-selected. * If the item to be selected is already in edit mode, it will remain in edit mode. * If the index is less than 0, any existing selection will be cleared up. * @param integer the selected item index */ public function setSelectedItemIndex($value) { if(($value=TPropertyValue::ensureInteger($value))<0) $value=-1; if(($current=$this->getSelectedItemIndex())!==$value) { $this->setViewState('SelectedItemIndex',$value,-1); $items=$this->getItems(); $itemCount=$items->getCount(); if($current>=0 && $current<$itemCount) { $item=$items->itemAt($current); if($item->getItemType()!==TListItemType::EditItem) $item->setItemType($current%2?TListItemType::AlternatingItem:TListItemType::Item); } if($value>=0 && $value<$itemCount) { $item=$items->itemAt($value); if($item->getItemType()!==TListItemType::EditItem) $item->setItemType(TListItemType::SelectedItem); } } } /** * @return TDataGridItem the edit item */ public function getEditItem() { $index=$this->getEditItemIndex(); $items=$this->getItems(); if($index>=0 && $index<$items->getCount()) return $items->itemAt($index); else return null; } /** * @return integer the zero-based index of the edit item in {@link getItems Items}. * A value -1 means no item is in edit mode. */ public function getEditItemIndex() { return $this->getViewState('EditItemIndex',-1); } /** * Edits an item by its index in {@link getItems Items}. * Previously editting item will change to normal item state. * If the index is less than 0, any existing edit item will be cleared up. * @param integer the edit item index */ public function setEditItemIndex($value) { if(($value=TPropertyValue::ensureInteger($value))<0) $value=-1; if(($current=$this->getEditItemIndex())!==$value) { $this->setViewState('EditItemIndex',$value,-1); $items=$this->getItems(); $itemCount=$items->getCount(); if($current>=0 && $current<$itemCount) $items->itemAt($current)->setItemType($current%2?TListItemType::AlternatingItem:TListItemType::Item); if($value>=0 && $value<$itemCount) $items->itemAt($value)->setItemType(TListItemType::EditItem); } } /** * @return boolean whether sorting is enabled. Defaults to false. */ public function getAllowSorting() { return $this->getViewState('AllowSorting',false); } /** * @param boolean whether sorting is enabled */ public function setAllowSorting($value) { $this->setViewState('AllowSorting',TPropertyValue::ensureBoolean($value),false); } /** * @return boolean whether datagrid columns should be automatically generated. Defaults to true. */ public function getAutoGenerateColumns() { return $this->getViewState('AutoGenerateColumns',true); } /** * @param boolean whether datagrid columns should be automatically generated */ public function setAutoGenerateColumns($value) { $this->setViewState('AutoGenerateColumns',TPropertyValue::ensureBoolean($value),true); } /** * @return boolean whether the header should be displayed. Defaults to true. */ public function getShowHeader() { return $this->getViewState('ShowHeader',true); } /** * @param boolean whether the header should be displayed */ public function setShowHeader($value) { $this->setViewState('ShowHeader',TPropertyValue::ensureBoolean($value),true); } /** * @return boolean whether the footer should be displayed. Defaults to false. */ public function getShowFooter() { return $this->getViewState('ShowFooter',false); } /** * @param boolean whether the footer should be displayed */ public function setShowFooter($value) { $this->setViewState('ShowFooter',TPropertyValue::ensureBoolean($value),false); } /** * @return ITemplate the template applied when no data is bound to the datagrid */ public function getEmptyTemplate() { return $this->_emptyTemplate; } /** * @param ITemplate the template applied when no data is bound to the datagrid * @throws TInvalidDataTypeException if the input is not an {@link ITemplate} or not null. */ public function setEmptyTemplate($value) { if($value instanceof ITemplate || $value===null) $this->_emptyTemplate=$value; else throw new TInvalidDataTypeException('datagrid_template_required','EmptyTemplate'); } /** * This method overrides parent's implementation to handle * {@link onItemCommand OnItemCommand} event which is bubbled from * {@link TDataGridItem} child controls. * If the event parameter is {@link TDataGridCommandEventParameter} and * the command name is a recognized one, which includes 'select', 'edit', * 'delete', 'update', and 'cancel' (case-insensitive), then a * corresponding command event is also raised (such as {@link onEditCommand OnEditCommand}). * This method should only be used by control developers. * @param TControl the sender of the event * @param TEventParameter event parameter * @return boolean whether the event bubbling should stop here. */ public function bubbleEvent($sender,$param) { if($param instanceof TDataGridCommandEventParameter) { $this->onItemCommand($param); $command=$param->getCommandName(); if(strcasecmp($command,self::CMD_SELECT)===0) { $this->setSelectedItemIndex($param->getItem()->getItemIndex()); $this->onSelectedIndexChanged($param); return true; } else if(strcasecmp($command,self::CMD_EDIT)===0) { $this->onEditCommand($param); return true; } else if(strcasecmp($command,self::CMD_DELETE)===0) { $this->onDeleteCommand($param); return true; } else if(strcasecmp($command,self::CMD_UPDATE)===0) { $this->onUpdateCommand($param); return true; } else if(strcasecmp($command,self::CMD_CANCEL)===0) { $this->onCancelCommand($param); return true; } else if(strcasecmp($command,self::CMD_SORT)===0) { $this->onSortCommand(new TDataGridSortCommandEventParameter($sender,$param)); return true; } else if(strcasecmp($command,self::CMD_PAGE)===0) { $p=$param->getCommandParameter(); if(strcasecmp($p,self::CMD_PAGE_NEXT)===0) $pageIndex=$this->getCurrentPageIndex()+1; else if(strcasecmp($p,self::CMD_PAGE_PREV)===0) $pageIndex=$this->getCurrentPageIndex()-1; else if(strcasecmp($p,self::CMD_PAGE_FIRST)===0) $pageIndex=0; else if(strcasecmp($p,self::CMD_PAGE_LAST)===0) $pageIndex=$this->getPageCount()-1; else $pageIndex=TPropertyValue::ensureInteger($p)-1; $this->onPageIndexChanged(new TDataGridPageChangedEventParameter($sender,$pageIndex)); return true; } } return false; } /** * Raises <b>OnCancelCommand</b> event. * This method is invoked when a button control raises <b>OnCommand</b> event * with <b>cancel</b> command name. * @param TDataGridCommandEventParameter event parameter */ public function onCancelCommand($param) { $this->raiseEvent('OnCancelCommand',$this,$param); } /** * Raises <b>OnDeleteCommand</b> event. * This method is invoked when a button control raises <b>OnCommand</b> event * with <b>delete</b> command name. * @param TDataGridCommandEventParameter event parameter */ public function onDeleteCommand($param) { $this->raiseEvent('OnDeleteCommand',$this,$param); } /** * Raises <b>OnEditCommand</b> event. * This method is invoked when a button control raises <b>OnCommand</b> event * with <b>edit</b> command name. * @param TDataGridCommandEventParameter event parameter */ public function onEditCommand($param) { $this->raiseEvent('OnEditCommand',$this,$param); } /** * Raises <b>OnItemCommand</b> event. * This method is invoked when a button control raises <b>OnCommand</b> event. * @param TDataGridCommandEventParameter event parameter */ public function onItemCommand($param) { $this->raiseEvent('OnItemCommand',$this,$param); } /** * Raises <b>OnSortCommand</b> event. * This method is invoked when a button control raises <b>OnCommand</b> event * with <b>sort</b> command name. * @param TDataGridSortCommandEventParameter event parameter */ public function onSortCommand($param) { $this->raiseEvent('OnSortCommand',$this,$param); } /** * Raises <b>OnUpdateCommand</b> event. * This method is invoked when a button control raises <b>OnCommand</b> event * with <b>update</b> command name. * @param TDataGridCommandEventParameter event parameter */ public function onUpdateCommand($param) { $this->raiseEvent('OnUpdateCommand',$this,$param); } /** * Raises <b>OnItemCreated</b> event. * This method is invoked right after a datagrid item is created and before * added to page hierarchy. * @param TDataGridItemEventParameter event parameter */ public function onItemCreated($param) { $this->raiseEvent('OnItemCreated',$this,$param); } /** * Raises <b>OnPagerCreated</b> event. * This method is invoked right after a datagrid pager is created and before * added to page hierarchy. * @param TDataGridPagerEventParameter event parameter */ public function onPagerCreated($param) { $this->raiseEvent('OnPagerCreated',$this,$param); } /** * Raises <b>OnItemDataBound</b> event. * This method is invoked for each datagrid item after it performs * databinding. * @param TDataGridItemEventParameter event parameter */ public function onItemDataBound($param) { $this->raiseEvent('OnItemDataBound',$this,$param); } /** * Raises <b>OnPageIndexChanged</b> event. * This method is invoked when current page is changed. * @param TDataGridPageChangedEventParameter event parameter */ public function onPageIndexChanged($param) { $this->raiseEvent('OnPageIndexChanged',$this,$param); } /** * Saves item count in viewstate. * This method is invoked right before control state is to be saved. */ public function saveState() { parent::saveState(); if(!$this->getEnableViewState(true)) return; if($this->_items) $this->setViewState('ItemCount',$this->_items->getCount(),0); else $this->clearViewState('ItemCount'); if($this->_autoColumns) { $state=array(); foreach($this->_autoColumns as $column) $state[]=$column->saveState(); $this->setViewState('AutoColumns',$state,array()); } else $this->clearViewState('AutoColumns'); if($this->_columns) { $state=array(); foreach($this->_columns as $column) $state[]=$column->saveState(); $this->setViewState('Columns',$state,array()); } else $this->clearViewState('Columns'); } /** * Loads item count information from viewstate. * This method is invoked right after control state is loaded. */ public function loadState() { parent::loadState(); if(!$this->getEnableViewState(true)) return; if(!$this->getIsDataBound()) { $state=$this->getViewState('AutoColumns',array()); if(!empty($state)) { $this->_autoColumns=new TDataGridColumnCollection($this); foreach($state as $st) { $column=new $this->AutoGenerateColumnName; $column->loadState($st); $this->_autoColumns->add($column); } } else $this->_autoColumns=null; $state=$this->getViewState('Columns',array()); if($this->_columns && $this->_columns->getCount()===count($state)) { $i=0; foreach($this->_columns as $column) { $column->loadState($state[$i]); $i++; } } $this->restoreGridFromViewState(); } } /** * Clears up all items in the datagrid. */ public function reset() { $this->getControls()->clear(); $this->getItems()->clear(); $this->_header=null; $this->_footer=null; $this->_topPager=null; $this->_bottomPager=null; $this->_useEmptyTemplate=false; } /** * Restores datagrid content from viewstate. */ protected function restoreGridFromViewState() { $this->reset(); $allowPaging=$this->getAllowPaging(); $itemCount=$this->getViewState('ItemCount',0); $dsIndex=$this->getViewState('DataSourceIndex',0); $columns=new TList($this->getColumns()); $columns->mergeWith($this->_autoColumns); $this->_allColumns=$columns; $items=$this->getItems(); if($columns->getCount()) { foreach($columns as $column) $column->initialize(); $selectedIndex=$this->getSelectedItemIndex(); $editIndex=$this->getEditItemIndex(); for($index=0;$index<$itemCount;++$index) { if($index===0) { if($allowPaging) $this->_topPager=$this->createPager(); $this->_header=$this->createItemInternal(-1,-1,TListItemType::Header,false,null,$columns); } if($index===$editIndex) $itemType=TListItemType::EditItem; else if($index===$selectedIndex) $itemType=TListItemType::SelectedItem; else if($index % 2) $itemType=TListItemType::AlternatingItem; else $itemType=TListItemType::Item; $items->add($this->createItemInternal($index,$dsIndex,$itemType,false,null,$columns)); $dsIndex++; } if($index>0) { $this->_footer=$this->createItemInternal(-1,-1,TListItemType::Footer,false,null,$columns); if($allowPaging) $this->_bottomPager=$this->createPager(); } } if(!$dsIndex && $this->_emptyTemplate!==null) { $this->_useEmptyTemplate=true; $this->_emptyTemplate->instantiateIn($this); } } /** * Performs databinding to populate datagrid items from data source. * This method is invoked by {@link dataBind()}. * You may override this function to provide your own way of data population. * @param Traversable the bound data */ protected function performDataBinding($data) { $this->reset(); $keys=$this->getDataKeys(); $keys->clear(); $keyField=$this->getDataKeyField(); // get all columns if($this->getAutoGenerateColumns()) { $columns=new TList($this->getColumns()); $autoColumns=$this->createAutoColumns($data); $columns->mergeWith($autoColumns); } else $columns=$this->getColumns(); $this->_allColumns=$columns; $items=$this->getItems(); $index=0; $allowPaging=$this->getAllowPaging() && ($data instanceof TPagedDataSource); $dsIndex=$allowPaging?$data->getFirstIndexInPage():0; $this->setViewState('DataSourceIndex',$dsIndex,0); if($columns->getCount()) { foreach($columns as $column) $column->initialize(); $selectedIndex=$this->getSelectedItemIndex(); $editIndex=$this->getEditItemIndex(); foreach($data as $key=>$row) { if($keyField!=='') $keys->add($this->getDataFieldValue($row,$keyField)); else $keys->add($key); if($index===0) { if($allowPaging) $this->_topPager=$this->createPager(); $this->_header=$this->createItemInternal(-1,-1,TListItemType::Header,true,null,$columns); } if($index===$editIndex) $itemType=TListItemType::EditItem; else if($index===$selectedIndex) $itemType=TListItemType::SelectedItem; else if($index % 2) $itemType=TListItemType::AlternatingItem; else $itemType=TListItemType::Item; $items->add($this->createItemInternal($index,$dsIndex,$itemType,true,$row,$columns)); $index++; $dsIndex++; } if($index>0) { $this->_footer=$this->createItemInternal(-1,-1,TListItemType::Footer,true,null,$columns); if($allowPaging) $this->_bottomPager=$this->createPager(); } } $this->setViewState('ItemCount',$index,0); if(!$dsIndex && $this->_emptyTemplate!==null) { $this->_useEmptyTemplate=true; $this->_emptyTemplate->instantiateIn($this); $this->dataBindChildren(); } } /** * Merges consecutive cells who have the same text. * @since 3.1.1 */ private function groupCells() { if(($columns=$this->_allColumns)===null) return; $items=$this->getItems(); foreach($columns as $id=>$column) { if(!$column->getEnableCellGrouping()) continue; $prevCell=null; $prevCellText=null; foreach($items as $item) { $itemType=$item->getItemType(); $cell=$item->getCells()->itemAt($id); if(!$cell->getVisible()) continue; if($itemType===TListItemType::Item || $itemType===TListItemType::AlternatingItem || $itemType===TListItemType::SelectedItem) { if(($cellText=$this->getCellText($cell))==='') { $prevCell=null; $prevCellText=null; continue; } if($prevCell===null || $prevCellText!==$cellText) { $prevCell=$cell; $prevCellText=$cellText; } else { if(($rowSpan=$prevCell->getRowSpan())===0) $rowSpan=1; $prevCell->setRowSpan($rowSpan+1); $cell->setVisible(false); } } } } } private function getCellText($cell) { if(($data=$cell->getText())==='' && $cell->getHasControls()) { $controls=$cell->getControls(); foreach($controls as $control) { if($control instanceof IDataRenderer) return $control->getData(); } } return $data; } /** * Creates a datagrid item instance based on the item type and index. * @param integer zero-based item index * @param TListItemType item type * @return TDataGridItem created data list item */ protected function createItem($itemIndex,$dataSourceIndex,$itemType) { return new TDataGridItem($itemIndex,$dataSourceIndex,$itemType); } private function createItemInternal($itemIndex,$dataSourceIndex,$itemType,$dataBind,$dataItem,$columns) { $item=$this->createItem($itemIndex,$dataSourceIndex,$itemType); $this->initializeItem($item,$columns); $param=new TDataGridItemEventParameter($item); if($dataBind) { $item->setDataItem($dataItem); $this->onItemCreated($param); $this->getControls()->add($item); $item->dataBind(); $this->onItemDataBound($param); } else { $this->onItemCreated($param); $this->getControls()->add($item); } return $item; } /** * Initializes a datagrid item and cells inside it * @param TDataGrid datagrid item to be initialized * @param TDataGridColumnCollection datagrid columns to be used to initialize the cells in the item */ protected function initializeItem($item,$columns) { $cells=$item->getCells(); $itemType=$item->getItemType(); $index=0; foreach($columns as $column) { if($itemType===TListItemType::Header) $cell=new TTableHeaderCell; else $cell=new TTableCell; if(($id=$column->getID())!=='') $item->registerObject($id,$cell); $cells->add($cell); $column->initializeCell($cell,$index,$itemType); $index++; } } protected function createPager() { $pager=new TDataGridPager($this); $this->buildPager($pager); $this->onPagerCreated(new TDataGridPagerEventParameter($pager)); $this->getControls()->add($pager); return $pager; } /** * Builds the pager content based on pager style. * @param TDataGridPager the container for the pager */ protected function buildPager($pager) { switch($this->getPagerStyle()->getMode()) { case TDataGridPagerMode::NextPrev: $this->buildNextPrevPager($pager); break; case TDataGridPagerMode::Numeric: $this->buildNumericPager($pager); break; } } /** * Creates a pager button. * Depending on the button type, a TLinkButton or a TButton may be created. * If it is enabled (clickable), its command name and parameter will also be set. * Derived classes may override this method to create additional types of buttons, such as TImageButton. * @param mixed the container pager instance of TActiveDatagridPager * @param string button type, either LinkButton or PushButton * @param boolean whether the button should be enabled * @param string caption of the button * @param string CommandName corresponding to the OnCommand event of the button * @param string CommandParameter corresponding to the OnCommand event of the button * @return mixed the button instance */ protected function createPagerButton($pager,$buttonType,$enabled,$text,$commandName,$commandParameter) { if($buttonType===TDataGridPagerButtonType::LinkButton) { if($enabled) $button=new TLinkButton; else { $button=new TLabel; $button->setText($text); return $button; } } else { $button=new TButton; if(!$enabled) $button->setEnabled(false); } $button->setText($text); $button->setCommandName($commandName); $button->setCommandParameter($commandParameter); $button->setCausesValidation(false); return $button; } /** * Builds a next-prev pager * @param TDataGridPager the container for the pager */ protected function buildNextPrevPager($pager) { $style=$this->getPagerStyle(); $buttonType=$style->getButtonType(); $controls=$pager->getControls(); $currentPageIndex=$this->getCurrentPageIndex(); if($currentPageIndex===0) { if(($text=$style->getFirstPageText())!=='') { $label=$this->createPagerButton($pager,$buttonType,false,$text,'',''); $controls->add($label); $controls->add("\n"); } $label=$this->createPagerButton($pager,$buttonType,false,$style->getPrevPageText(),'',''); $controls->add($label); } else { if(($text=$style->getFirstPageText())!=='') { $button=$this->createPagerButton($pager,$buttonType,true,$text,self::CMD_PAGE,self::CMD_PAGE_FIRST); $controls->add($button); $controls->add("\n"); } $button=$this->createPagerButton($pager,$buttonType,true,$style->getPrevPageText(),self::CMD_PAGE,self::CMD_PAGE_PREV); $controls->add($button); } $controls->add("\n"); if($currentPageIndex===$this->getPageCount()-1) { $label=$this->createPagerButton($pager,$buttonType,false,$style->getNextPageText(),'',''); $controls->add($label); if(($text=$style->getLastPageText())!=='') { $controls->add("\n"); $label=$this->createPagerButton($pager,$buttonType,false,$text,'',''); $controls->add($label); } } else { $button=$this->createPagerButton($pager,$buttonType,true,$style->getNextPageText(),self::CMD_PAGE,self::CMD_PAGE_NEXT); $controls->add($button); if(($text=$style->getLastPageText())!=='') { $controls->add("\n"); $button=$this->createPagerButton($pager,$buttonType,true,$text,self::CMD_PAGE,self::CMD_PAGE_LAST); $controls->add($button); } } } /** * Builds a numeric pager * @param TDataGridPager the container for the pager */ protected function buildNumericPager($pager) { $style=$this->getPagerStyle(); $buttonType=$style->getButtonType(); $controls=$pager->getControls(); $pageCount=$this->getPageCount(); $pageIndex=$this->getCurrentPageIndex()+1; $maxButtonCount=$style->getPageButtonCount(); $buttonCount=$maxButtonCount>$pageCount?$pageCount:$maxButtonCount; $startPageIndex=1; $endPageIndex=$buttonCount; if($pageIndex>$endPageIndex) { $startPageIndex=((int)(($pageIndex-1)/$maxButtonCount))*$maxButtonCount+1; if(($endPageIndex=$startPageIndex+$maxButtonCount-1)>$pageCount) $endPageIndex=$pageCount; if($endPageIndex-$startPageIndex+1<$maxButtonCount) { if(($startPageIndex=$endPageIndex-$maxButtonCount+1)<1) $startPageIndex=1; } } if($startPageIndex>1) { if(($text=$style->getFirstPageText())!=='') { $button=$this->createPagerButton($pager,$buttonType,true,$text,self::CMD_PAGE,self::CMD_PAGE_FIRST); $controls->add($button); $controls->add("\n"); } $prevPageIndex=$startPageIndex-1; $button=$this->createPagerButton($pager,$buttonType,true,$style->getPrevPageText(),self::CMD_PAGE,"$prevPageIndex"); $controls->add($button); $controls->add("\n"); } for($i=$startPageIndex;$i<=$endPageIndex;++$i) { if($i===$pageIndex) { $label=$this->createPagerButton($pager,$buttonType,false,"$i",'',''); $controls->add($label); } else { $button=$this->createPagerButton($pager,$buttonType,true,"$i",self::CMD_PAGE,"$i"); $controls->add($button); } if($i<$endPageIndex) $controls->add("\n"); } if($pageCount>$endPageIndex) { $controls->add("\n"); $nextPageIndex=$endPageIndex+1; $button=$this->createPagerButton($pager,$buttonType,true,$style->getNextPageText(),self::CMD_PAGE,"$nextPageIndex"); $controls->add($button); if(($text=$style->getLastPageText())!=='') { $controls->add("\n"); $button=$this->createPagerButton($pager,$buttonType,true,$text,self::CMD_PAGE,self::CMD_PAGE_LAST); $controls->add($button); } } } /** * Automatically generates datagrid columns based on datasource schema * @param Traversable data source bound to the datagrid * @return TDataGridColumnCollection */ protected function createAutoColumns($dataSource) { if(!$dataSource) return null; $autoColumns=$this->getAutoColumns(); $autoColumns->clear(); foreach($dataSource as $row) { foreach($row as $key=>$value) { $column=new $this->AutoGenerateColumnName; if(is_string($key)) { $column->setHeaderText($key); $column->setDataField($key); $column->setSortExpression($key); $autoColumns->add($column); } else { $column->setHeaderText(TListItemType::Item); $column->setDataField($key); $column->setSortExpression(TListItemType::Item); $autoColumns->add($column); } } break; } return $autoColumns; } /** * Applies styles to items, header, footer and separators. * Item styles are applied in a hierarchical way. Style in higher hierarchy * will inherit from styles in lower hierarchy. * Starting from the lowest hierarchy, the item styles include * item's own style, {@link getItemStyle ItemStyle}, {@link getAlternatingItemStyle AlternatingItemStyle}, * {@link getSelectedItemStyle SelectedItemStyle}, and {@link getEditItemStyle EditItemStyle}. * Therefore, if background color is set as red in {@link getItemStyle ItemStyle}, * {@link getEditItemStyle EditItemStyle} will also have red background color * unless it is set to a different value explicitly. */ protected function applyItemStyles() { $itemStyle=$this->getViewState('ItemStyle',null); $alternatingItemStyle=$this->getViewState('AlternatingItemStyle',null); if($itemStyle!==null) { if($alternatingItemStyle===null) $alternatingItemStyle=$itemStyle; else $alternatingItemStyle->mergeWith($itemStyle); } $selectedItemStyle=$this->getViewState('SelectedItemStyle',null); $editItemStyle=$this->getViewState('EditItemStyle',null); if($selectedItemStyle!==null) { if($editItemStyle===null) $editItemStyle=$selectedItemStyle; else $editItemStyle->mergeWith($selectedItemStyle); } $headerStyle=$this->getViewState('HeaderStyle',null); $footerStyle=$this->getViewState('FooterStyle',null); $pagerStyle=$this->getViewState('PagerStyle',null); $separatorStyle=$this->getViewState('SeparatorStyle',null); foreach($this->getControls() as $index=>$item) { if(!($item instanceof TDataGridItem) && !($item instanceof TDataGridPager)) continue; $itemType=$item->getItemType(); switch($itemType) { case TListItemType::Header: if($headerStyle) $item->getStyle()->mergeWith($headerStyle); if(!$this->getShowHeader()) $item->setVisible(false); break; case TListItemType::Footer: if($footerStyle) $item->getStyle()->mergeWith($footerStyle); if(!$this->getShowFooter()) $item->setVisible(false); break; case TListItemType::Separator: if($separatorStyle) $item->getStyle()->mergeWith($separatorStyle); break; case TListItemType::Item: if($itemStyle) $item->getStyle()->mergeWith($itemStyle); break; case TListItemType::AlternatingItem: if($alternatingItemStyle) $item->getStyle()->mergeWith($alternatingItemStyle); break; case TListItemType::SelectedItem: if($selectedItemStyle) $item->getStyle()->mergeWith($selectedItemStyle); if($index % 2==1) { if($itemStyle) $item->getStyle()->mergeWith($itemStyle); } else { if($alternatingItemStyle) $item->getStyle()->mergeWith($alternatingItemStyle); } break; case TListItemType::EditItem: if($editItemStyle) $item->getStyle()->mergeWith($editItemStyle); if($index % 2==1) { if($itemStyle) $item->getStyle()->mergeWith($itemStyle); } else { if($alternatingItemStyle) $item->getStyle()->mergeWith($alternatingItemStyle); } break; case TListItemType::Pager: if($pagerStyle) { $item->getStyle()->mergeWith($pagerStyle); if($index===0) { if($pagerStyle->getPosition()===TDataGridPagerPosition::Bottom || !$pagerStyle->getVisible()) $item->setVisible(false); } else { if($pagerStyle->getPosition()===TDataGridPagerPosition::Top || !$pagerStyle->getVisible()) $item->setVisible(false); } } break; default: break; } if($this->_columns && $itemType!==TListItemType::Pager) { $n=$this->_columns->getCount(); $cells=$item->getCells(); for($i=0;$i<$n;++$i) { $cell=$cells->itemAt($i); $column=$this->_columns->itemAt($i); if(!$column->getVisible()) $cell->setVisible(false); else { if($itemType===TListItemType::Header) $style=$column->getHeaderStyle(false); else if($itemType===TListItemType::Footer) $style=$column->getFooterStyle(false); else $style=$column->getItemStyle(false); if($style!==null) $cell->getStyle()->mergeWith($style); } } } } } /** * Renders the openning tag for the datagrid control which will render table caption if present. * @param THtmlWriter the writer used for the rendering purpose */ public function renderBeginTag($writer) { parent::renderBeginTag($writer); if(($caption=$this->getCaption())!=='') { if(($align=$this->getCaptionAlign())!==TTableCaptionAlign::NotSet) $writer->addAttribute('align',strtolower($align)); $writer->renderBeginTag('caption'); $writer->write($caption); $writer->renderEndTag(); } } /** * Renders the datagrid. * @param THtmlWriter writer for the rendering purpose */ public function render($writer) { if($this->getHasControls()) { $this->groupCells(); if($this->_useEmptyTemplate) { $control=new TWebControl; $control->setID($this->getClientID()); $control->copyBaseAttributes($this); if($this->getHasStyle()) $control->getStyle()->copyFrom($this->getStyle()); $control->renderBeginTag($writer); $this->renderContents($writer); $control->renderEndTag($writer); } else if($this->getViewState('ItemCount',0)>0) { $this->applyItemStyles(); if($this->_topPager) { $this->_topPager->renderControl($writer); $writer->writeLine(); } $this->renderTable($writer); if($this->_bottomPager) { $writer->writeLine(); $this->_bottomPager->renderControl($writer); } } } } /** * Renders the tabular data. * @param THtmlWriter writer */ protected function renderTable($writer) { $this->renderBeginTag($writer); if($this->_header && $this->_header->getVisible()) { $writer->writeLine(); if($style=$this->getViewState('TableHeadStyle',null)) $style->addAttributesToRender($writer); $writer->renderBeginTag('thead'); $this->_header->render($writer); $writer->renderEndTag(); } $writer->writeLine(); if($style=$this->getViewState('TableBodyStyle',null)) $style->addAttributesToRender($writer); $writer->renderBeginTag('tbody'); foreach($this->getItems() as $item) $item->renderControl($writer); $writer->renderEndTag(); if($this->_footer && $this->_footer->getVisible()) { $writer->writeLine(); if($style=$this->getViewState('TableFootStyle',null)) $style->addAttributesToRender($writer); $writer->renderBeginTag('tfoot'); $this->_footer->render($writer); $writer->renderEndTag(); } $writer->writeLine(); $this->renderEndTag($writer); } } /** * TDataGridItemEventParameter class * * TDataGridItemEventParameter encapsulates the parameter data for * {@link TDataGrid::onItemCreated OnItemCreated} event of {@link TDataGrid} controls. * The {@link getItem Item} property indicates the datagrid item related with the event. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGridItemEventParameter extends TEventParameter { /** * The TDataGridItem control responsible for the event. * @var TDataGridItem */ private $_item=null; /** * Constructor. * @param TDataGridItem datagrid item related with the corresponding event */ public function __construct(TDataGridItem $item) { $this->_item=$item; } /** * @return TDataGridItem datagrid item related with the corresponding event */ public function getItem() { return $this->_item; } } /** * TDataGridPagerEventParameter class * * TDataGridPagerEventParameter encapsulates the parameter data for * {@link TDataGrid::onPagerCreated OnPagerCreated} event of {@link TDataGrid} controls. * The {@link getPager Pager} property indicates the datagrid pager related with the event. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGridPagerEventParameter extends TEventParameter { /** * The TDataGridPager control responsible for the event. * @var TDataGridPager */ protected $_pager=null; /** * Constructor. * @param TDataGridPager datagrid pager related with the corresponding event */ public function __construct(TDataGridPager $pager) { $this->_pager=$pager; } /** * @return TDataGridPager datagrid pager related with the corresponding event */ public function getPager() { return $this->_pager; } } /** * TDataGridCommandEventParameter class * * TDataGridCommandEventParameter encapsulates the parameter data for * {@link TDataGrid::onItemCommand ItemCommand} event of {@link TDataGrid} controls. * * The {@link getItem Item} property indicates the datagrid item related with the event. * The {@link getCommandSource CommandSource} refers to the control that originally * raises the Command event. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGridCommandEventParameter extends TCommandEventParameter { /** * @var TDataGridItem the TDataGridItem control responsible for the event. */ private $_item=null; /** * @var TControl the control originally raises the <b>Command</b> event. */ private $_source=null; /** * Constructor. * @param TDataGridItem datagrid item responsible for the event * @param TControl original event sender * @param TCommandEventParameter original event parameter */ public function __construct($item,$source,TCommandEventParameter $param) { $this->_item=$item; $this->_source=$source; parent::__construct($param->getCommandName(),$param->getCommandParameter()); } /** * @return TDataGridItem the TDataGridItem control responsible for the event. */ public function getItem() { return $this->_item; } /** * @return TControl the control originally raises the <b>Command</b> event. */ public function getCommandSource() { return $this->_source; } } /** * TDataGridSortCommandEventParameter class * * TDataGridSortCommandEventParameter encapsulates the parameter data for * {@link TDataGrid::onSortCommand SortCommand} event of {@link TDataGrid} controls. * * The {@link getCommandSource CommandSource} property refers to the control * that originally raises the OnCommand event, while {@link getSortExpression SortExpression} * gives the sort expression carried with the sort command. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGridSortCommandEventParameter extends TEventParameter { /** * @var string sort expression */ private $_sortExpression=''; /** * @var TControl original event sender */ private $_source=null; /** * Constructor. * @param TControl the control originally raises the <b>OnCommand</b> event. * @param TDataGridCommandEventParameter command event parameter */ public function __construct($source,TDataGridCommandEventParameter $param) { $this->_source=$source; $this->_sortExpression=$param->getCommandParameter(); } /** * @return TControl the control originally raises the <b>OnCommand</b> event. */ public function getCommandSource() { return $this->_source; } /** * @return string sort expression */ public function getSortExpression() { return $this->_sortExpression; } } /** * TDataGridPageChangedEventParameter class * * TDataGridPageChangedEventParameter encapsulates the parameter data for * {@link TDataGrid::onPageIndexChanged PageIndexChanged} event of {@link TDataGrid} controls. * * The {@link getCommandSource CommandSource} property refers to the control * that originally raises the OnCommand event, while {@link getNewPageIndex NewPageIndex} * returns the new page index carried with the page command. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGridPageChangedEventParameter extends TEventParameter { /** * @var integer new page index */ private $_newIndex; /** * @var TControl original event sender */ private $_source=null; /** * Constructor. * @param TControl the control originally raises the <b>OnCommand</b> event. * @param integer new page index */ public function __construct($source,$newPageIndex) { $this->_source=$source; $this->_newIndex=$newPageIndex; } /** * @return TControl the control originally raises the <b>OnCommand</b> event. */ public function getCommandSource() { return $this->_source; } /** * @return integer new page index */ public function getNewPageIndex() { return $this->_newIndex; } } /** * TDataGridItem class * * A TDataGridItem control represents an item in the {@link TDataGrid} control, * such as heading section, footer section, or a data item. * The index and data value of the item can be accessed via {@link getItemIndex ItemIndex}> * and {@link getDataItem DataItem} properties, respectively. The type of the item * is given by {@link getItemType ItemType} property. Property {@link getDataSourceIndex DataSourceIndex} * gives the index of the item from the bound data source. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGridItem extends TTableRow implements INamingContainer { /** * @var integer index of the data item in the Items collection of datagrid */ private $_itemIndex=''; /** * @var integer index of the item from the bound data source */ private $_dataSourceIndex=0; /** * type of the TDataGridItem * @var string */ private $_itemType=''; /** * value of the data item * @var mixed */ private $_data=null; /** * Constructor. * @param integer zero-based index of the item in the item collection of datagrid * @param TListItemType item type */ public function __construct($itemIndex,$dataSourceIndex,$itemType) { $this->_itemIndex=$itemIndex; $this->_dataSourceIndex=$dataSourceIndex; $this->setItemType($itemType); if($itemType===TListItemType::Header) $this->setTableSection(TTableRowSection::Header); else if($itemType===TListItemType::Footer) $this->setTableSection(TTableRowSection::Footer); } /** * @return TListItemType item type. */ public function getItemType() { return $this->_itemType; } /** * @param TListItemType item type */ public function setItemType($value) { $this->_itemType=TPropertyValue::ensureEnum($value,'TListItemType'); } /** * @return integer zero-based index of the item in the item collection of datagrid */ public function getItemIndex() { return $this->_itemIndex; } /** * @return integer the index of the datagrid item from the bound data source */ public function getDataSourceIndex() { return $this->_dataSourceIndex; } /** * @return mixed data associated with the item * @since 3.1.0 */ public function getData() { return $this->_data; } /** * @param mixed data to be associated with the item * @since 3.1.0 */ public function setData($value) { $this->_data=$value; } /** * This property is deprecated since v3.1.0. * @return mixed data associated with the item * @deprecated deprecated since v3.1.0. Use {@link getData} instead. */ public function getDataItem() { return $this->getData(); } /** * This property is deprecated since v3.1.0. * @param mixed data to be associated with the item * @deprecated deprecated since version 3.1.0. Use {@link setData} instead. */ public function setDataItem($value) { return $this->setData($value); } /** * This method overrides parent's implementation by wrapping event parameter * for <b>OnCommand</b> event with item information. * @param TControl the sender of the event * @param TEventParameter event parameter * @return boolean whether the event bubbling should stop here. */ public function bubbleEvent($sender,$param) { if($param instanceof TCommandEventParameter) { $this->raiseBubbleEvent($this,new TDataGridCommandEventParameter($this,$sender,$param)); return true; } else return false; } } /** * TDataGridPager class. * * TDataGridPager represents a datagrid pager. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGridPager extends TPanel implements INamingContainer { private $_dataGrid; /** * Constructor. * @param TDataGrid datagrid object */ public function __construct($dataGrid) { $this->_dataGrid=$dataGrid; } /** * This method overrides parent's implementation by wrapping event parameter * for <b>OnCommand</b> event with item information. * @param TControl the sender of the event * @param TEventParameter event parameter * @return boolean whether the event bubbling should stop here. */ public function bubbleEvent($sender,$param) { if($param instanceof TCommandEventParameter) { $this->raiseBubbleEvent($this,new TDataGridCommandEventParameter($this,$sender,$param)); return true; } else return false; } /** * @return TDataGrid the datagrid owning this pager */ public function getDataGrid() { return $this->_dataGrid; } /** * @return string item type. */ public function getItemType() { return TListItemType::Pager; } } /** * TDataGridItemCollection class. * * TDataGridItemCollection represents a collection of data grid items. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGridItemCollection extends TList { /** * Inserts an item at the specified position. * This overrides the parent implementation by inserting only TDataGridItem. * @param integer the speicified position. * @param mixed new item * @throws TInvalidDataTypeException if the item to be inserted is not a TDataGridItem. */ public function insertAt($index,$item) { if($item instanceof TDataGridItem) parent::insertAt($index,$item); else throw new TInvalidDataTypeException('datagriditemcollection_datagriditem_required'); } } /** * TDataGridColumnCollection class. * * TDataGridColumnCollection represents a collection of data grid columns. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0 */ class TDataGridColumnCollection extends TList { /** * the control that owns this collection. * @var TControl */ private $_o; /** * Constructor. * @param TDataGrid the control that owns this collection. */ public function __construct(TDataGrid $owner) { $this->_o=$owner; } /** * @return TDataGrid the control that owns this collection. */ protected function getOwner() { return $this->_o; } /** * Inserts an item at the specified position. * This overrides the parent implementation by inserting only TDataGridColumn. * @param integer the speicified position. * @param mixed new item * @throws TInvalidDataTypeException if the item to be inserted is not a TDataGridColumn. */ public function insertAt($index,$item) { if($item instanceof TDataGridColumn) { $item->setOwner($this->_o); parent::insertAt($index,$item); } else throw new TInvalidDataTypeException('datagridcolumncollection_datagridcolumn_required'); } } /** * TDataGridPagerMode class. * TDataGridPagerMode defines the enumerable type for the possible modes that a datagrid pager can take. * * The following enumerable values are defined: * - NextPrev: pager buttons are displayed as next and previous pages * - Numeric: pager buttons are displayed as numeric page numbers * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0.4 */ class TDataGridPagerMode extends TEnumerable { const NextPrev='NextPrev'; const Numeric='Numeric'; } /** * TDataGridPagerButtonType class. * TDataGridPagerButtonType defines the enumerable type for the possible types of datagrid pager buttons. * * The following enumerable values are defined: * - LinkButton: link buttons * - PushButton: form submit buttons * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0.4 */ class TDataGridPagerButtonType extends TEnumerable { const LinkButton='LinkButton'; const PushButton='PushButton'; } /** * TDataGridPagerPosition class. * TDataGridPagerPosition defines the enumerable type for the possible positions that a datagrid pager can be located at. * * The following enumerable values are defined: * - Bottom: pager appears only at the bottom of the data grid. * - Top: pager appears only at the top of the data grid. * - TopAndBottom: pager appears on both top and bottom of the data grid. * * @author Qiang Xue <qiang.xue@gmail.com> * @package System.Web.UI.WebControls * @since 3.0.4 */ class TDataGridPagerPosition extends TEnumerable { const Bottom='Bottom'; const Top='Top'; const TopAndBottom='TopAndBottom'; }
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