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iTop/application/ui.linkswidget.class.inc.php

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<?php
// Copyright (C) 2010 Combodo SARL
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 3 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/**
* Class UILinksWidget
*
* @author Erwan Taloc <erwan.taloc@combodo.com>
* @author Romain Quetiez <romain.quetiez@combodo.com>
* @author Denis Flaven <denis.flaven@combodo.com>
* @license http://www.opensource.org/licenses/gpl-3.0.html LGPL
*/
require_once(APPROOT.'/application/webpage.class.inc.php');
require_once(APPROOT.'/application/displayblock.class.inc.php');
class UILinksWidget
{
protected $m_sClass;
protected $m_sAttCode;
protected $m_sNameSuffix;
protected $m_iInputId;
protected $m_aAttributes;
protected $m_sExtKeyToRemote;
protected $m_sExtKeyToMe;
protected $m_sLinkedClass;
protected $m_sRemoteClass;
protected $m_bDuplicatesAllowed;
public function __construct($sClass, $sAttCode, $iInputId, $sNameSuffix = '', $bDuplicatesAllowed = false)
{
$this->m_sClass = $sClass;
$this->m_sAttCode = $sAttCode;
$this->m_sNameSuffix = $sNameSuffix;
$this->m_iInputId = $iInputId;
$this->m_bDuplicatesAllowed = $bDuplicatesAllowed;
$this->m_aEditableFields = array();
$oAttDef = MetaModel::GetAttributeDef($this->m_sClass, $this->m_sAttCode);
$this->m_sLinkedClass = $oAttDef->GetLinkedClass();
$this->m_sExtKeyToRemote = $oAttDef->GetExtKeyToRemote();
$this->m_sExtKeyToMe = $oAttDef->GetExtKeyToMe();
$oLinkingAttDef = MetaModel::GetAttributeDef($this->m_sLinkedClass, $this->m_sExtKeyToRemote);
$this->m_sRemoteClass = $oLinkingAttDef->GetTargetClass();
$sExtKeyToMe = $oAttDef->GetExtKeyToMe();
$sStateAttCode = MetaModel::GetStateAttributeCode($this->m_sClass);
$sDefaultState = MetaModel::GetDefaultState($this->m_sClass);
$this->m_aEditableFields = array();
$this->m_aTableConfig = array();
$this->m_aTableConfig['form::checkbox'] = array( 'label' => "<input class=\"select_all\" type=\"checkbox\" value=\"1\" onClick=\"CheckAll('#linkedset_{$this->m_sAttCode}{$this->m_sNameSuffix} .selection', this.checked); oWidget".$this->m_iInputId.".OnSelectChange();\">", 'description' => Dict::S('UI:SelectAllToggle+'));
foreach(MetaModel::FlattenZList(MetaModel::GetZListItems($this->m_sLinkedClass, 'list')) as $sAttCode)
{
$oAttDef = MetaModel::GetAttributeDef($this->m_sLinkedClass, $sAttCode);
if ($sStateAttCode == $sAttCode)
{
// State attribute is always hidden from the UI
}
else if ($oAttDef->IsWritable() && ($sAttCode != $sExtKeyToMe) && ($sAttCode != $this->m_sExtKeyToRemote) && ($sAttCode != 'finalclass'))
{
$iFlags = MetaModel::GetAttributeFlags($this->m_sLinkedClass, $sDefaultState, $sAttCode);
if ( !($iFlags & OPT_ATT_HIDDEN) && !($iFlags & OPT_ATT_READONLY) )
{
$this->m_aEditableFields[] = $sAttCode;
$this->m_aTableConfig[$sAttCode] = array( 'label' => $oAttDef->GetLabel(), 'description' => $oAttDef->GetDescription());
}
}
}
$this->m_aTableConfig['static::key'] = array( 'label' => MetaModel::GetName($this->m_sRemoteClass), 'description' => MetaModel::GetClassDescription($this->m_sRemoteClass));
foreach(MetaModel::GetZListItems($this->m_sRemoteClass, 'list') as $sFieldCode)
{
// TO DO: check the state of the attribute: hidden or visible ?
if ($sFieldCode != 'finalclass')
{
$oAttDef = MetaModel::GetAttributeDef($this->m_sRemoteClass, $sFieldCode);
$this->m_aTableConfig['static::'.$sFieldCode] = array( 'label' => $oAttDef->GetLabel(), 'description' => $oAttDef->GetDescription());
}
}
}
/**
* A one-row form for editing a link record
* @param WebPage $oP Web page used for the ouput
* @param DBObject $oLinkedObj The object to which all the elements of the linked set refer to
* @param mixed $linkObjOrId Either the object linked or a unique number for new link records to add
* @param Hash $aArgs Extra context arguments
* @return string The HTML fragment of the one-row form
*/
protected function GetFormRow(WebPage $oP, DBObject $oLinkedObj, $linkObjOrId = null, $aArgs = array(), $oCurrentObj )
{
$sPrefix = "$this->m_sAttCode{$this->m_sNameSuffix}";
$aRow = array();
if(is_object($linkObjOrId))
{
$key = $linkObjOrId->GetKey();
$sPrefix .= "[$key][";
$sNameSuffix = "]"; // To make a tabular form
$aArgs['prefix'] = $sPrefix;
$aArgs['this'] = $linkObjOrId;
$aRow['form::checkbox'] = "<input class=\"selection\" type=\"checkbox\" onClick=\"oWidget".$this->m_iInputId.".OnSelectChange();\" value=\"$key\">";
$aRow['form::checkbox'] .= "<input type=\"hidden\" name=\"attr_{$sPrefix}id{$sNameSuffix}\" value=\"$key\">";
foreach($this->m_aEditableFields as $sFieldCode)
{
$sFieldId = $this->m_iInputId.'_'.$sFieldCode.'['.$linkObjOrId->GetKey().']';
$sSafeId = str_replace(array('[',']','-'), '_', $sFieldId);
$oAttDef = MetaModel::GetAttributeDef($this->m_sLinkedClass, $sFieldCode);
$aRow[$sFieldCode] = cmdbAbstractObject::GetFormElementForField($oP, $this->m_sLinkedClass, $sFieldCode, $oAttDef, $linkObjOrId->Get($sFieldCode), '' /* DisplayValue */, $sSafeId, $sNameSuffix, 0, $aArgs);
}
}
else
{
// form for creating a new record
$sPrefix .= "[$linkObjOrId][";
$oNewLinkObj = MetaModel::NewObject($this->m_sLinkedClass);
$oRemoteObj = MetaModel::GetObject($this->m_sRemoteClass, -$linkObjOrId);
$oNewLinkObj->Set($this->m_sExtKeyToRemote, $oRemoteObj); // Setting the extkey with the object alsoo fills the related external fields
$oNewLinkObj->Set($this->m_sExtKeyToMe, $oCurrentObj); // Setting the extkey with the object alsoo fills the related external fields
$sNameSuffix = "]"; // To make a tabular form
$aArgs['prefix'] = $sPrefix;
$aArgs['this'] = $oNewLinkObj;
$aRow['form::checkbox'] = "<input class=\"selection\" type=\"checkbox\" onClick=\"oWidget".$this->m_iInputId.".OnSelectChange();\" value=\"$linkObjOrId\">";
$aRow['form::checkbox'] .= "<input type=\"hidden\" name=\"attr_{$sPrefix}id{$sNameSuffix}\" value=\"\">";
foreach($this->m_aEditableFields as $sFieldCode)
{
$sFieldId = $this->m_iInputId.'_'.$sFieldCode.'['.$linkObjOrId.']';
$sSafeId = str_replace(array('[',']','-'), '_', $sFieldId);
$oAttDef = MetaModel::GetAttributeDef($this->m_sLinkedClass, $sFieldCode);
$aRow[$sFieldCode] = cmdbAbstractObject::GetFormElementForField($oP, $this->m_sLinkedClass, $sFieldCode, $oAttDef, $oNewLinkObj->Get($sFieldCode) /* TO DO/ call GetDefaultValue($oObject->ToArgs()) */, '' /* DisplayValue */, $sSafeId /* id */, $sNameSuffix, 0, $aArgs);
}
}
$aRow['static::key'] = $oLinkedObj->GetHyperLink();
foreach(MetaModel::GetZListItems($this->m_sRemoteClass, 'list') as $sFieldCode)
{
$aRow['static::'.$sFieldCode] = $oLinkedObj->GetAsHTML($sFieldCode);
}
return $aRow;
}
/**
* Display one row of the whole form
* @return none
*/
protected function DisplayFormRow(WebPage $oP, $aConfig, $aRow, $iRowId)
{
$sHtml = '';
$sHtml .= "<tr id=\"{$this->m_sAttCode}{$this->m_sNameSuffix}_row_$iRowId\">\n";
foreach($aConfig as $sName=>$void)
{
$sHtml .= "<td>".$aRow[$sName]."</td>\n";
}
$sHtml .= "</tr>\n";
return $sHtml;
}
/**
* Display the table with the form for editing all the links at once
* @param WebPage $oP The web page used for the output
* @param Hash $aConfig The table's header configuration
* @param Hash $aData The tabular data to be displayed
* @return string Html fragment representing the form table
*/
protected function DisplayFormTable(WebPage $oP, $aConfig, $aData)
{
$sHtml = '';
$sHtml .= "<table class=\"listResults\">\n";
// Header
$sHtml .= "<thead>\n";
$sHtml .= "<tr>\n";
foreach($aConfig as $sName=>$aDef)
{
$sHtml .= "<th title=\"".$aDef['description']."\">".$aDef['label']."</th>\n";
}
$sHtml .= "</tr>\n";
$sHtml .= "</thead>\n";
// Content
$sHtml .= "</tbody>\n";
$sEmptyRowStyle = '';
if (count($aData) != 0)
{
$sEmptyRowStyle = 'style="display:none;"';
}
$sHtml .= "<tr $sEmptyRowStyle id=\"{$this->m_sAttCode}{$this->m_sNameSuffix}_empty_row\"><td colspan=\"".count($aConfig)."\" style=\"text-align:center;\">".Dict::S('UI:Message:EmptyList:UseAdd')."<input type=\"hidden\" name=\"attr_{$this->m_sAttCode}{$this->m_sNameSuffix}\" value=\"\"></td></td>";
foreach($aData as $iRowId => $aRow)
{
$sHtml .= $this->DisplayFormRow($oP, $aConfig, $aRow, $iRowId);
}
$sHtml .= "</tbody>\n";
// Footer
$sHtml .= "</table>\n";
return $sHtml;
}
/**
* Get the HTML fragment corresponding to the linkset editing widget
* @param WebPage $oP The web page used for all the output
* @param DBObjectSet The initial value of the linked set
* @param Hash $aArgs Extra context arguments
* @param string $sFormPrefix prefix of the fields in the current form
* @param DBObject $oCurrentObj the current object to which the linkset is related
* @return string The HTML fragment to be inserted into the page
*/
public function Display(WebPage $oPage, DBObjectSet $oValue, $aArgs = array(), $sFormPrefix, $oCurrentObj)
{
$sHtmlValue = '';
$sTargetClass = self::GetTargetClass($this->m_sClass, $this->m_sAttCode);
$sHtmlValue .= "<div id=\"linkedset_{$this->m_sAttCode}{$this->m_sNameSuffix}\">\n";
$oValue->Rewind();
$aForm = array();
while($oCurrentLink = $oValue->Fetch())
{
$aRow = array();
$oLinkedObj = MetaModel::GetObject($this->m_sRemoteClass, $oCurrentLink->Get($this->m_sExtKeyToRemote));
if ($oCurrentLink->IsNew())
{
$key = -$oLinkedObj->GetKey();
$aForm[$key] = $this->GetFormRow($oPage, $oLinkedObj, $key, $aArgs, $oCurrentObj);
}
else
{
$key = $oCurrentLink->GetKey();
$aForm[$key] = $this->GetFormRow($oPage, $oLinkedObj, $oCurrentLink, $aArgs, $oCurrentObj);
}
}
$sHtmlValue .= $this->DisplayFormTable($oPage, $this->m_aTableConfig, $aForm);
$sDuplicates = ($this->m_bDuplicatesAllowed) ? 'true' : 'false';
$sWizHelper = 'oWizardHelper'.$sFormPrefix;
$oPage->add_ready_script(<<<EOF
oWidget{$this->m_iInputId} = new LinksWidget('{$this->m_sAttCode}{$this->m_sNameSuffix}', '{$this->m_sClass}', '{$this->m_sAttCode}', '{$this->m_iInputId}', '{$this->m_sNameSuffix}', $sDuplicates, $sWizHelper);
oWidget{$this->m_iInputId}.Init();
EOF
);
$sHtmlValue .= "<span style=\"float:left;\">&nbsp;&nbsp;&nbsp;<img src=\"../images/tv-item-last.gif\">&nbsp;&nbsp;<input id=\"{$this->m_sAttCode}{$this->m_sNameSuffix}_btnRemove\" type=\"button\" value=\"".Dict::S('UI:RemoveLinkedObjectsOf_Class')."\" onClick=\"oWidget{$this->m_iInputId}.RemoveSelected();\" >";
$sHtmlValue .= "&nbsp;&nbsp;&nbsp;<input id=\"{$this->m_sAttCode}{$this->m_sNameSuffix}_btnAdd\" type=\"button\" value=\"".Dict::Format('UI:AddLinkedObjectsOf_Class', MetaModel::GetName($this->m_sRemoteClass))."\" onClick=\"oWidget{$this->m_iInputId}.AddObjects();\"><span id=\"{$this->m_sAttCode}{$this->m_sNameSuffix}_indicatorAdd\"></span></span>\n";
$sHtmlValue .= "<span style=\"clear:both;\"><p>&nbsp;</p></span>\n";
$sHtmlValue .= "</div>\n";
$oPage->add_at_the_end("<div id=\"dlg_{$this->m_sAttCode}{$this->m_sNameSuffix}\"></div>"); // To prevent adding forms inside the main form
return $sHtmlValue;
}
protected static function GetTargetClass($sClass, $sAttCode)
{
$oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
$sLinkedClass = $oAttDef->GetLinkedClass();
switch(get_class($oAttDef))
{
case 'AttributeLinkedSetIndirect':
$oLinkingAttDef = MetaModel::GetAttributeDef($sLinkedClass, $oAttDef->GetExtKeyToRemote());
$sTargetClass = $oLinkingAttDef->GetTargetClass();
break;
case 'AttributeLinkedSet':
$sTargetClass = $sLinkedClass;
break;
}
return $sTargetClass;
}
public function GetObjectPickerDialog($oPage, $oCurrentObj)
{
$sHtml = "<div class=\"wizContainer\" style=\"vertical-align:top;\">\n";
$oFilter = new DBObjectSearch($this->m_sRemoteClass);
$this->SetSearchDefaultFromContext($oCurrentObj, $oFilter);
$oBlock = new DisplayBlock($oFilter, 'search', false);
$sHtml .= $oBlock->GetDisplay($oPage, "SearchFormToAdd_{$this->m_sAttCode}{$this->m_sNameSuffix}", array('open' => true));
$sHtml .= "<form id=\"ObjectsAddForm_{$this->m_sAttCode}{$this->m_sNameSuffix}\" OnSubmit=\"return oWidget{$this->m_iInputId}.DoAddObjects(this.id);\">\n";
$sHtml .= "<div id=\"SearchResultsToAdd_{$this->m_sAttCode}{$this->m_sNameSuffix}\" style=\"vertical-align:top;background: #fff;height:100%;overflow:auto;padding:0;border:0;\">\n";
$sHtml .= "<div style=\"background: #fff; border:0; text-align:center; vertical-align:middle;\"><p>".Dict::S('UI:Message:EmptyList:UseSearchForm')."</p></div>\n";
$sHtml .= "</div>\n";
$sHtml .= "<input type=\"hidden\" id=\"count_{$this->m_sAttCode}{$this->m_sNameSuffix}\" value=\"0\"/>";
$sHtml .= "<input type=\"button\" value=\"".Dict::S('UI:Button:Cancel')."\" onClick=\"$('#dlg_{$this->m_sAttCode}{$this->m_sNameSuffix}').dialog('close');\">&nbsp;&nbsp;<input id=\"btn_ok_{$this->m_sAttCode}{$this->m_sNameSuffix}\" disabled=\"disabled\" type=\"submit\" value=\"".Dict::S('UI:Button:Add')."\">";
$sHtml .= "</div>\n";
$sHtml .= "</form>\n";
$oPage->add($sHtml);
$oPage->add_ready_script("$('#dlg_{$this->m_sAttCode}{$this->m_sNameSuffix}').dialog({ width: $(window).width()*0.8, height: $(window).height()*0.8, autoOpen: false, modal: true, resizeStop: oWidget{$this->m_iInputId}.UpdateSizes });");
$oPage->add_ready_script("$('#dlg_{$this->m_sAttCode}{$this->m_sNameSuffix}').dialog('option', {title:'".addslashes(Dict::Format('UI:AddObjectsOf_Class_LinkedWith_Class', MetaModel::GetName($this->m_sLinkedClass), MetaModel::GetName($this->m_sClass)))."'});");
$oPage->add_ready_script("$('#SearchFormToAdd_{$this->m_sAttCode}{$this->m_sNameSuffix} form').bind('submit.uilinksWizard', oWidget{$this->m_iInputId}.SearchObjectsToAdd);");
$oPage->add_ready_script("$('#SearchFormToAdd_{$this->m_sAttCode}{$this->m_sNameSuffix}').resize(oWidget{$this->m_iInputId}.UpdateSizes);");
}
/**
* Search for objects to be linked to the current object (i.e "remote" objects)
* @param WebPage $oP The page used for the output (usually an AjaxWebPage)
* @param string $sRemoteClass Name of the "remote" class to perform the search on, must be a derived class of m_sRemoteClass
* @param Array $aAlreadyLinkedIds List of IDs of objects of "remote" class already linked, to be filtered out of the search
*/
public function SearchObjectsToAdd(WebPage $oP, $sRemoteClass = '', $aAlreadyLinkedIds = array())
{
if ($sRemoteClass != '')
{
// assert(MetaModel::IsParentClass($this->m_sRemoteClass, $sRemoteClass));
$oFilter = new DBObjectSearch($sRemoteClass);
}
else
{
// No remote class specified use the one defined in the linkedset
$oFilter = new DBObjectSearch($this->m_sRemoteClass);
}
if (!$this->m_bDuplicatesAllowed && count($aAlreadyLinkedIds) > 0)
{
// Positive IDs correspond to existing link records
// negative IDs correspond to "remote" objects to be linked
$aLinkIds = array();
$aRemoteObjIds = array();
foreach($aAlreadyLinkedIds as $iId)
{
if ($iId > 0)
{
$aLinkIds[] = $iId;
}
else
{
$aRemoteObjIds[] = -$iId;
}
}
if (count($aLinkIds) >0)
{
// Search for the links to find to which "remote" object they are linked
$oLinkFilter = new DBObjectSearch($this->m_sLinkedClass);
$oLinkFilter->AddCondition('id', $aLinkIds, 'IN');
$oLinkSet = new CMDBObjectSet($oLinkFilter);
while($oLink = $oLinkSet->Fetch())
{
$aRemoteObjIds[] = $oLink->Get($this->m_sExtKeyToRemote);
}
}
$oFilter->AddCondition('id', $aRemoteObjIds, 'NOTIN');
}
$oSet = new CMDBObjectSet($oFilter);
$oBlock = new DisplayBlock($oFilter, 'list', false);
$oBlock->Display($oP, "ResultsToAdd_{$this->m_sAttCode}", array('menu' => false, 'cssCount'=> '#count_'.$this->m_sAttCode.$this->m_sNameSuffix , 'selection_mode' => true)); // Don't display the 'Actions' menu on the results
}
public function DoAddObjects(WebPage $oP, $oFullSetFilter, $oCurrentObj)
{
$aLinkedObjectIds = utils::ReadMultipleSelection($oFullSetFilter);
foreach($aLinkedObjectIds as $iObjectId)
{
$oLinkedObj = MetaModel::GetObject($this->m_sRemoteClass, $iObjectId);
if (is_object($oLinkedObj))
{
$aRow = $this->GetFormRow($oP, $oLinkedObj, -$iObjectId, array(), $oCurrentObj ); // Not yet created link get negative Ids
$oP->add($this->DisplayFormRow($oP, $this->m_aTableConfig, $aRow, -$iObjectId));
}
else
{
$oP->p(Dict::Format('UI:Error:Object_Class_Id_NotFound', $this->m_sLinkedClass, $iObjectId));
}
}
}
/**
* Initializes the default search parameters based on 1) a 'current' object and 2) the silos defined by the context
* @param DBObject $oSourceObj
* @param DBObjectSearch $oSearch
*/
protected function SetSearchDefaultFromContext($oSourceObj, &$oSearch)
{
$oAppContext = new ApplicationContext();
$sSrcClass = get_class($oSourceObj);
$sDestClass = $oSearch->GetClass();
foreach($oAppContext->GetNames() as $key)
{
// Find the value of the object corresponding to each 'context' parameter
$aCallSpec = array($sSrcClass, 'MapContextParam');
$sAttCode = '';
if (is_callable($aCallSpec))
{
$sAttCode = call_user_func($aCallSpec, $key); // Returns null when there is no mapping for this parameter
}
if (MetaModel::IsValidAttCode($sSrcClass, $sAttCode))
{
$oAttDef = MetaModel::GetAttributeDef($sSrcClass, $sAttCode);
$defaultValue = $oSourceObj->Get($sAttCode);
// Find the attcode for the same 'context' parameter in the destination class
// and sets its value as the default value for the search condition
$aCallSpec = array($sDestClass, 'MapContextParam');
$sAttCode = '';
if (is_callable($aCallSpec))
{
$sAttCode = call_user_func($aCallSpec, $key); // Returns null when there is no mapping for this parameter
}
if (MetaModel::IsValidAttCode($sDestClass, $sAttCode) && !empty($defaultValue))
{
$oSearch->AddCondition($sAttCode, $defaultValue);
}
}
}
}
}
?>
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