New implementation for displaying long lists: pagination

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@1295 a333f486-631f-4898-b8df-5754b55c2be0

pages/UI.php

@@ -282,8 +282,16 @@ function DeleteObjects(WebPage $oP, $sClass, $aObjects, $bDeleteConfirmed)
 			else
 			{
 				$oP->p('<h1>'.Dict::Format('UI:Delect:Confirm_Count_ObjectsOf_Class', count($aObjects), MetaModel::GetName($sClass)).'</h1>');
-				$oSet = CMDBobjectSet::FromArray($sClass, $aObjects);
+				foreach($aObjects as $oObj)
+				{
+					$aKeys[] = $oObj->GetKey();
+				}
+				$oFilter = new DBObjectSearch($sClass);
+				$oFilter->AddCondition('id', $aKeys, 'IN');
+				$oSet = new CMDBobjectSet($oFilter);
+				$oP->add('<div id="0">');
 				CMDBAbstractObject::DisplaySet($oP, $oSet, array('display_limit' => false, 'menu' => false));
+				$oP->add("</div>\n");
 				$oP->add("<form method=\"post\">\n");
 				$oP->add("<input type=\"hidden\" name=\"transaction_id\" value=\"".utils::ReadParam('transaction_id')."\">\n");
 				$oP->add("<input type=\"hidden\" name=\"operation\" value=\"bulk_delete_confirmed\">\n");
@@ -715,7 +723,8 @@ try
 		case 'form_for_modify_all': // Form to modify multiple objects (bulk modify)
 		$sFilter = utils::ReadParam('filter', '');
 		$sClass = utils::ReadParam('class', '');
-		$aSelectedObj = utils::ReadParam('selectObject', array());
+		$oFullSetFilter = DBObjectSearch::unserialize($sFilter);
+		$aSelectedObj = ReadMultipleSelection($oFullSetFilter);
 		if (count($aSelectedObj) > 0)
 		{
 			$iAllowedCount = count($aSelectedObj);
@@ -1181,6 +1190,7 @@ EOF
 			$oP->add("<form method=\"post\">\n");
 			$oP->add("<input type=\"hidden\" name=\"operation\" value=\"bulk_delete\">\n");
 			$oP->add("<input type=\"hidden\" name=\"class\" value=\"".$oFilter->GetClass()."\">\n");
+			$oP->add("<input type=\"hidden\" name=\"filter\" value=\"".$oFilter->Serialize()."\">\n");
 			$oP->add("<input type=\"hidden\" name=\"transaction_id\" value=\"".utils::GetNewTransactionId()."\">\n");
 			$oBlock->Display($oP, 1, array('selection_type' => 'multiple', 'selection_mode' => true, 'display_limit' => false, 'menu' => false));
 			$oP->add("<input type=\"button\" value=\"".Dict::S('UI:Button:Cancel')."\" onClick=\"window.history.back()\">&nbsp;&nbsp;<input type=\"submit\" value=\"".Dict::S('UI:Button:Next')."\">\n");
@@ -1202,7 +1212,9 @@ EOF
 		case 'bulk_delete': // Actual bulk deletion (if confirmed)
 			$sClass = utils::ReadPostedParam('class', '');
 			$sClassLabel = MetaModel::GetName($sClass);
-			$aSelectObject = utils::ReadPostedParam('selectObject', '');
+			$sFilter = utils::ReadPostedParam('filter', '');
+			$oFullSetFilter = DBObjectSearch::unserialize($sFilter);
+			$aSelectObject = utils::ReadMultipleSelection($oFullSetFilter);
 			$aObjects = array();
 			if ( empty($sClass) || empty($aSelectObject)) // TO DO: check that the class name is valid !
 			{
@@ -1348,13 +1360,13 @@ EOF
 		$sFilter = utils::ReadParam('filter', '');
 		$sStimulus = utils::ReadParam('stimulus', '');
 		$sState = utils::ReadParam('state', '');
-		$aSelectObject = utils::ReadPostedParam('selectObject', array());
 		if (empty($sFilter) || empty($sStimulus) || empty($sState))
 		{
 			throw new ApplicationException(Dict::Format('UI:Error:3ParametersMissing', 'filter', 'stimulus', 'state'));
 		}
 		$oFilter = DBObjectSearch::unserialize($sFilter);
 		$sClass = $oFilter->GetClass();	
+		$aSelectedObj = ReadMultipleSelection($oFilter);
 		if (count($aSelectObject) == 0)
 		{
 			// Nothing to do, no object was selected !

pages/ajax.render.php

@@ -50,6 +50,114 @@ try
 
 	switch($operation)
 	{
+		case 'pagination':
+		$sExtraParams = stripslashes(utils::ReadParam('extra_params', ''));
+		$aExtraParams = array();
+		if (!empty($sExtraParams))
+		{
+			$aExtraParams = json_decode(str_replace("'", '"', $sExtraParams), true /* associative array */);
+		}
+		if ($sEncoding == 'oql')
+		{
+			$oFilter = CMDBSearchFilter::FromOQL($sFilter);
+		}
+		else
+		{
+			$oFilter = CMDBSearchFilter::unserialize($sFilter);
+		}
+		$iStart = utils::ReadParam('start',0);
+		$iEnd = utils::ReadParam('end',1);
+		$iSortCol = utils::ReadParam('sort_col',null);
+		$sSelectMode = utils::ReadParam('select_mode', '');
+		$bDisplayKey = utils::ReadParam('display_key', 'true') == 'true';
+		$aList = utils::ReadParam('display_list', array());
+
+		$sClassName = $oFilter->GetClass();
+		//$aList = cmdbAbstractObject::FlattenZList(MetaModel::GetZListItems($sClassName, 'list'));
+
+		// Filter the list to removed linked set since we are not able to display them here
+		$aOrderBy = array();
+		$aConfig = array();
+		$iSortIndex = 0;
+		if ($sSelectMode != '')
+		{
+			$aConfig['form::select'] = array();
+			$iSortIndex++; // Take into account the extra (non-sortable) column for the checkbox/radio button.
+		}
+		if ($bDisplayKey)
+		{
+			$aConfig['key'] = array();
+			if ($iSortIndex == $iSortCol)
+			{
+				$aOrderBy['friendlyname'] = (utils::ReadParam('sort_order', 'asc') == 'asc');
+			}
+			$iSortIndex++;
+		}
+		foreach($aList as $sAttCode)
+		{
+			$aConfig[$sAttCode] = array();
+		}
+
+		foreach($aList as $index => $sAttCode)
+		{
+			$oAttDef = MetaModel::GetAttributeDef($sClassName, $sAttCode);
+			if ($oAttDef instanceof AttributeLinkedSet)
+			{
+				// Removed from the display list
+				unset($aList[$index]);
+			}
+			if ($iSortCol == $iSortIndex)
+			{
+				if ($oAttDef->IsExternalKey())
+				{
+					$sSortCol = $sAttCode.'_friendlyname';
+				}
+				else
+				{
+					$sSortCol = $sAttCode;
+				}
+				$aOrderBy[$sSortCol] = (utils::ReadParam('sort_order', 'asc') == 'asc');
+			}
+			$iSortIndex++;
+		}
+
+		// Load only the requested columns
+		$oSet = new DBObjectSet($oFilter, $aOrderBy, $aExtraParams, null, $iEnd-$iStart, $iStart);
+		$sClassAlias = $oSet->GetFilter()->GetClassAlias();
+		$oSet->OptimizeColumnLoad(array($sClassAlias => $aList));
+		
+		while($oObj = $oSet->Fetch())
+		{
+			$aRow = array();
+			$sDisabled = '';
+			switch ($sSelectMode)
+			{
+				case 'single':
+				$aRow['form::select'] = "<input type=\"radio\" $sDisabled name=\"selectObject\" value=\"".$oObj->GetKey()."\"></input>";
+				break;
+				
+				case 'multiple':
+				$aRow['form::select'] = "<input type=\"checkBox\" $sDisabled name=\"selectObject[]\" value=\"".$oObj->GetKey()."\"></input>";
+				break;
+			}
+			if ($bDisplayKey)
+			{
+				$aRow['key'] = $oObj->GetHyperLink();
+			}
+			$sHilightClass = $oObj->GetHilightClass();
+			if ($sHilightClass != '')
+			{
+				$aRow['@class'] = $sHilightClass;	
+			}
+			foreach($aList as $sAttCode)
+			{
+				$aRow[$sAttCode] = $oObj->GetAsHTML($sAttCode);
+			}
+			$sRow = $oPage->GetTableRow($aRow, $aConfig);
+			$oPage->add($sRow);
+		}
+		break;
+		
 		case 'addObjects':
 		require_once(APPROOT.'/application/uilinkswizard.class.inc.php');
 		$sClass = utils::ReadParam('class', '', 'get');
@@ -160,10 +268,10 @@ try
 		$sAttCode = utils::ReadParam('sAttCode', '');
 		$iInputId = utils::ReadParam('iInputId', '');
 		$sSuffix = utils::ReadParam('sSuffix', '');
+		$sRemoteClass = utils::ReadParam('sRemoteClass', '');
 		$bDuplicates = (utils::ReadParam('bDuplicates', 'false') == 'false') ? false : true;
-		$aLinkedObjectIds = utils::ReadParam('selectObject', array());
 		$oWidget = new UILinksWidget($sClass, $sAttCode, $iInputId, $sSuffix, $bDuplicates);
-		$oWidget->DoAddObjects($oPage, $aLinkedObjectIds);	
+		$oWidget->DoAddObjects($oPage, $sRemoteClass);	
 		break;
 			
 		case 'wizard_helper_preview':
@@ -226,6 +334,8 @@ try
 				$oFilter = CMDBSearchFilter::unserialize($sFilter);
 			}
 			$oDisplayBlock = new DisplayBlock($oFilter, $sStyle, false);
+			$aExtraParams['display_limit'] = true;
+			$aExtraParams['truncated'] = true;
 			$oDisplayBlock->RenderContent($oPage, $aExtraParams);
 		}
 		else