<?php
/**
 * ProjectManager - UI to list and edit project-elments
 *
 * @link http://www.egroupware.org
 * @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
 * @package projectmanager
 * @copyright (c) 2005-8 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @version $Id: class.projectmanager_elements_ui.inc.php 26967 2009-05-11 09:21:13Z ralfbecker $
 */

/**
 * ProjectManage UI: list and edit projects-elements
 */
class projectmanager_elements_ui extends projectmanager_elements_bo
{
	/**
	 * Functions to call via menuaction
	 *
	 * @var array
	 */
	var $public_functions = array(
		'index' => true,
		'edit'  => true,
		'view'  => true,
	);
	/**
	 * Instance of the etemplate class
	 *
	 * @var etemplate
	 */
	var $tpl;
	/**
	 * Labels for status-filter
	 *
	 * @var array
	 */
	var $status_labels;
	/**
	 * Config-settings for projectmanager
	 *
	 * @var array
	 */
	var $config;

	/**
	 * Constructor, calls the constructor of the extended class
	 *
	 * @return projectmanager_elements_ui
	 */
	function __construct()
	{
		$this->tpl = new etemplate();

		if ((int) $_REQUEST['pm_id'])
		{
			$pm_id = (int) $_REQUEST['pm_id'];
			// store the current project (only for index, as popups may be called by other parent-projects)
		}
		else
		{
			$pm_id = $GLOBALS['egw']->session->appsession('pm_id','projectmanager');
		}
		if (!$pm_id)
		{
			$this->tpl->location(array(
				'menuaction' => 'projectmanager.uiprojectmanager.index',
				'msg'        => lang('You need to select a project first'),
			));
		}
		parent::__construct($pm_id);

		// check if we have at least read-access to this project
		if (!$this->project->check_acl(EGW_ACL_READ))
		{
			$this->tpl->location(array(
				'menuaction' => 'projectmanager.uiprojectmanager.index',
				'msg'        => lang('Permission denied !!!'),
			));
		}

		$this->status_labels = array(
			'all'     => lang('all'),
			'used'    => lang('used'),
			'new'     => lang('new'),
			'ignored' => lang('ignored'),
		);
	}


	/**
	 * View a project-element, just calls edit with view-param set
	 */
	function view()
	{
		$this->edit(null,true);
	}

	/**
	 * Edit or view a project-element
	 *
	 * @var array $content content-array if called by process-exec
	 * @var boolean $view only view project, default false, only used on first call !is_array($content)
	 */
	function edit($content=null,$view=false)
	{
		if ((int) $this->debug >= 1 || $this->debug == 'edit') $this->debug_message("projectmanager_elements_ui::edit(".print_r($content,true).",$view)");

		if (is_array($content))
		{
			$this->data = $content['data'];
			$update_necessary = $save_necessary = 0;
			$datasource = $this->datasource($this->data['pe_app']);
			if (($ds_read_from_element = !($ds = $datasource->read($this->data['pe_app_id'],$this->data))))
			{
				$ds = $datasource->element_values($this->data);
			}
			if (!$content['view'])
			{
				if ($content['pe_completion'] !== '') $content['pe_completion'] .= '%';

				foreach($datasource->name2id as $name => $id)
				{
					//echo "checking $name=$id (overwrite={$this->data['pe_overwrite']}&$id == ".($this->data['pe_overwrite']&$id?'true':'false')."), content='{$content[$name]}'<br>\n";
					// check if update is necessary, because a field has be set or changed
					if ($content[$name] && ($content[$name] != $this->data[$name] || !($this->data['pe_overwrite'] & $id)))
					{
						//echo "need to update $name as content[$name] changed to '".$content[$name]."' != '".$this->data[$name]."'<br>\n";
						$this->data[$name] = $content[$name];
						$this->data['pe_overwrite'] |= $id;
						$update_necessary |= $id;
					}
					// check if a field is no longer set, or it's not set and datasource changed
					// => set it from the datasource
					elseif (($this->data['pe_overwrite'] & $id) && !$content[$name] ||
						    !($this->data['pe_overwrite'] & $id) && (int)$this->data[$name] != (int)$ds[$name])
					{
						//echo "need to update $name as content[$name] is unset or datasource changed cont='".$content[$name]."', data='".$this->data[$name]."', ds='".$ds[$name]."'<br>\n";
						// if we have a change in the datasource, set pe_synced
						if ($this->data[$name] != $ds[$name])
						{
							$this->data['pe_synced'] = $this->now_su;
						}
						$this->data[$name] = $ds[$name];
						$this->data['pe_overwrite'] &= ~$id;
						$update_necessary |= $id;
					}
				}
				$content['cat_id'] = (int) $content['cat_id'];	// as All='' and cat_id column is int

				// calculate the new summary and if a percentage give the share in hours
				//echo "<p>project_summary[pe_total_shares]={$this->project_summary['pe_total_shares']}, old_pe_share={$content['old_pe_share']}, old_default_share=$content[old_default_share], content[pe_share]={$content['pe_share']}</p>\n";
				if ($this->data['pe_replanned_time'])
				{
					$planned_time = $this->data['pe_replanned_time'];
				}
				elseif ($this->data['pe_planned_time'])
				{
					$planned_time = $this->data['pe_planned_time'];
				}
				else
				{
					$planned_time = $ds['pe_planned_time'];
				}
				$default_share = $planned_time && $this->project->data['pm_accounting_type'] != 'status' ? $planned_time : $this->default_share;

				$this->project_summary['pe_total_shares'] -= round((string) $content['old_pe_share'] !== '' ? $content['old_pe_share'] : $content['old_default_share']);
				if (substr($content['pe_share'],-1) == '%' || $this->project->data['pm_accounting_type'] == 'status')
				{
					//echo "<p>project_summary[pe_total_shares]={$this->project_summary['pe_total_shares']}</p>\n";
					if ((float) $content['pe_share'] == 100 || !$this->project_summary['pe_total_shares'])
					{
						$content['pe_share'] = $this->default_share;
					}
					else
					{
						$content['pe_share'] = round($this->project_summary['pe_total_shares'] * (float) $content['pe_share'] /
							(100 - (float) $content['pe_share']),1);
					}
					//echo "<p>pe_share={$content['pe_share']}</p>\n";
				}
				$this->project_summary['pe_total_shares'] += round((string) $content['pe_share'] !== '' ? $content['pe_share'] : $default_share);
				//echo "<p>project_summary[pe_total_shares]={$this->project_summary['pe_total_shares']}, default_share=$default_share, content[pe_share]={$content['pe_share']}</p>\n";

				foreach(array('pe_status','cat_id','pe_remark','pe_constraints','pe_share') as $name)
				{
					if ($name == 'pe_constraints')
					{
						foreach($content['pe_constraints'] as $type => $data)
						{
							if (!$data)
							{
								unset($content['pe_constraints'][$type]);	// ignore not set constraints
							}
							elseif (!is_array($data))
							{
								$content['pe_constraints'][$type] = explode(',',$data);		// otherwise it's detected as change
							}
						}
					}
					if ($content[$name] != $this->data[$name] ||
						$name == 'pe_share' && $content[$name] !== $this->data[$name])	// for pe_share we differ between 0 and empty!
					{
						//echo "need to update $name as content[$name] changed to '".print_r($content[$name],true)."' != '".print_r($this->data[$name],true)."'<br>\n";
						$this->data[$name] = $content[$name];
						$save_necessary = true;

						if ($name == 'pe_remark') $this->data['update_remark'] = true;
					}
				}
			}
			//echo "projectmanager_elements_ui::edit(): save_necessary=".(int)$save_necessary.", update_necessary=$update_necessary, data="; _debug_array($this->data);

			$view = $content['view'] && !($content['edit'] && $this->check_acl(EGW_ACL_EDIT));

			if (($content['save'] || $content['apply']) && $this->check_acl(EGW_ACL_EDIT))
			{
				if ($update_necessary || $save_necessary)
				{
					if ($this->save(null,true,$update_necessary) != 0)
					{
						$msg = lang('Error: saving the project-element (%1) !!!',$this->db->Error);
						unset($content['save']);	// dont exit
					}
					else
					{
						$msg = lang('Project-Element saved');
						$js = "opener.location.href='".$GLOBALS['egw']->link('/index.php',array(
							'menuaction' => $content['caller'] ? $content['caller'] : 'projectmanager.projectmanager_elements_ui.index',
							'msg'        => $msg,
						))."';";
					}
				}
				else
				{
					$msg = lang('no save necessary');
				}
			}
			if ($content['delete'] && $this->check_acl(EGW_ACL_DELETE))
			{
				// all delete are done by index
				$js = "opener.location.href='".$GLOBALS['egw']->link('/index.php',array(
					'menuaction' => $content['caller'] ? $content['caller'] : 'projectmanager.projectmanager_elements_ui.index',
					'delete'     => $this->data['pe_id'],
				))."';";
				/*
				return $this->index(array('nm'=>array('rows'=>array(
					'delete' => array($this->data['pe_id']=>true)
				))));
				*/
			}
			if ($content['save'] || $content['cancel'] || $content['delete'])
			{
				$js .= 'window.close();';
				echo '<html><body onload="'.$js.'"></body></html>';
				$GLOBALS['egw']->common->egw_exit();
				/*
				$this->tpl->location(array(
					'menuaction' => 'projectmanager.projectmanager_elements_ui.index',
					'msg'        => $msg,
				));
				*/
			}
		}
		else
		{
			if ((int) $_GET['pe_id'])
			{
				$this->read((int) $_GET['pe_id']);
			}
			if ($this->data['pe_id'])
			{
				if (!$this->check_acl(EGW_ACL_READ))
				{
					$this->tpl->location(array(
						'menuaction' => 'projectmanager.projectmanager_elements_ui.index',
						'msg' => lang('Permission denied !!!'),
					));
				}
				if (!$this->check_acl(EGW_ACL_EDIT)) $view = true;
			}
			$js = 'window.focus();';

			$datasource = $this->datasource($this->data['pe_app']);
			if (($ds_read_from_element = !($ds = $datasource->read($this->data['pe_app_id'],$this->data))))
			{
				$ds = $datasource->element_values($this->data);
			}
			else
			{
				$this->data['pe_title'] = $ds['pe_title'];	// updating the title, not all datasources do it automatic
			}
		}
		if ($this->data['pe_replanned_time'])
		{
			$planned_time = $this->data['pe_replanned_time'];
		}
		elseif ($this->data['pe_planned_time'])
		{
			$planned_time = $this->data['pe_planned_time'];
		}
		else
		{
			$planned_time = $ds['pe_planned_time'];
		}

		$default_share = $planned_time && $this->project->data['pm_accounting_type'] != 'status' ? $planned_time : $this->default_share;

		if ($ds_read_from_element && !$view)
		{
			$msg .= lang('No READ access to the datasource: removing overwritten values will just empty them !!!');
		}
		$preserv = $this->data + array(
			'view' => $view,
			'data' => $this->data,
			'caller' => !$content['caller'] && preg_match('/menuaction=([^&]+)/',$_SERVER['HTTP_REFERER'],$matches) ?
				 $matches[1] : $content['caller'],
			'old_pe_share' => $this->data['pe_share'],
			'old_default_share' => $default_share,
		);
		unset($preserv['pe_resources']);	// otherwise we cant detect no more resources set

		foreach($datasource->name2id as $name => $id)
		{
			if ($id != PM_TITLE && !($this->data['pe_overwrite'] & $id)) 	// empty not explicitly set values
			{
				$this->data[$name] = '';
			}
		}
		$js .= "\nfunction calc_budget(form) {
			form['exec[pe_used_budget]'].value = form['exec[pe_used_quantity]'].value.replace(/,/,'.') * form['exec[pe_unitprice]'].value.replace(/,/,'.');
			if (form['exec[pe_used_budget]'].value == '0') form['exec[pe_used_budget]'].value = '';
			form['exec[pe_planned_budget]'].value = form['exec[pe_planned_quantity]'].value.replace(/,/,'.') * form['exec[pe_unitprice]'].value.replace(/,/,'.');
			if (form['exec[pe_planned_budget]'].value == '0') form['exec[pe_planned_budget]'].value = '';
		}";
		$tabs = 'dates|times|budget|constraints|resources|details';
		if ($this->data['pe_replanned_time'])
		{
			$planned_quantity_blur = $this->data['pe_replanned_time'] / 60;
		}
		elseif ($this->data['pe_planned_time'])
		{
			$planned_quantity_blur = $this->data['pe_planned_time'] / 60;
		}
		else
		{
			$planned_quantity_blur = $ds['pe_planned_quantity'];
		}

		$content = $this->data + array(
			'ds'  => $ds,
			'msg' => $msg,
			'js'  => '<script>'.$js.'</script>',
			'default_share' => $default_share,
			'duration_format' => $this->config['duration_format'],
			'no_times' => $this->project->data['pm_accounting_type'] == 'status',
			$tabs => $content[$tabs],
			'no_pricelist' => $this->project->data['pm_accounting_type'] != 'pricelist',
			'planned_quantity_blur' => $planned_quantity_blur,
			'used_quantity_blur' => $this->data['pe_used_time'] ? $this->data['pe_used_time'] / 60 : $ds['pe_used_quantity'],
		);
		// calculate percentual shares
		$content['default_total'] = $content['share_total'] = $this->project_summary['pe_total_shares'];
		if ((string) $this->data['pe_share'] !== '')
		{
			if ($this->project_summary['pe_total_shares'])
			{
				$content['share_percentage'] = round(100.0 * $this->data['pe_share'] / $this->project_summary['pe_total_shares'],1) . '%';
			}
			$content['default_total'] += $default_share - $this->data['pe_share'];
		}
		if ($content['default_total'])
		{
			$content['default_percentage'] = round(100.0 * $default_share / $content['default_total'],1) . '%';
		}
		if ($this->project->data['pm_accounting_type'] == 'status')
		{
			$content['pe_share'] = $content['share_percentage'];
		}
		//_debug_array($content);
		$sel_options = array(
			'pe_constraints' => $this->titles(array(	// only titles of elements displayed in a gantchart
				"pe_status != 'ignore'",
//				'(pe_planned_start IS NOT NULL OR pe_real_start IS NOT NULL)',
//				'(pe_planned_end IS NOT NULL OR pe_real_end IS NOT NULL)',
				'pe_id != '.(int)$this->data['pe_id'],	// dont show own title
			)),
			'milestone'     => $this->milestones->titles(array('pm_id' => $this->data['pm_id'])),
		);
		$readonlys = array(
			'delete' => !$this->data['pe_id'] || !$this->check_acl(EGW_ACL_DELETE),
			'edit' => !$view || !$this->check_acl(EGW_ACL_EDIT),
		);
		// disable the times tab, if accounting-type status
		$readonlys[$tabs]['times'] = $this->project->data['pm_accounting_type'] == 'status';
		// check if user has the necessary rights to view or edit the budget
		$readonlys[$tabs]['budget'] = !$this->check_acl(EGW_ACL_BUDGET);
		if (!$this->check_acl(EGW_ACL_EDIT_BUDGET))
		{
			foreach(array('pe_planned_budget','pe_used_budget','pl_id','pe_unitprice','pe_planned_quantity','pe_used_quantity') as $key)
			{
				$readonlys[$key] = true;
			}
		}
		if ($view)
		{
			foreach($this->db_cols as $name)
			{
				$readonlys[$name] = true;
			}
			$readonlys['pe_remark'] = true;
			$readonlys['save'] = $readonlys['apply'] = true;
			$readonlys['pe_constraints[start]'] = $readonlys['pe_constraints[end]'] = $readonlys['pe_constraints[milestone]'] = true;
		}
		$GLOBALS['egw_info']['flags']['app_header'] = lang('projectmanager') . ' - ' .
			($this->data['pm_id'] ? ($view ? lang('View project-elements') : lang('Edit project-elements')) : lang('Add project-elements'));
		$this->tpl->read('projectmanager.elements.edit');
		$this->tpl->exec('projectmanager.projectmanager_elements_ui.edit',$content,$sel_options,$readonlys,$preserv,2);
	}

	/**
	 * query projects for nextmatch in the projects-list
	 *
	 * reimplemented from so_sql to disable action-buttons based on the acl and make some modification on the data
	 *
	 * @param array &$query_in
	 * @param array &$rows returned rows/cups
	 * @param array &$readonlys eg. to disable buttons based on acl
	 */
	function get_rows(&$query_in,&$rows,&$readonlys)
	{
		$GLOBALS['egw']->session->appsession('projectelements_list','projectmanager',$query=$query_in);

		if ($this->status_filter[$query['filter']])
		{
			$query['col_filter']['pe_status'] = $this->status_filter[$query['filter']];
		}
		else
		{
			unset($query['col_filter']['pe_status']);
		}
		if ($query['cat_id'])
		{
			$query['col_filter']['cat_id'] = $query['cat_id'];
			$query_in['link_add']['extra'] = array('cat_id' => $query['cat_id']);
		}
		else
		{
			unset($query['col_filter']['cat_id']);
			unset($query_in['link_add']['extra']);
		}
		if (!$query['col_filter']['pe_resources'])
		{
			unset($query['col_filter']['pe_resources']);
		}
		if ($query['filter2'] & 2)	// show sub-elements (elements of sub-projects)
		{
			$query['col_filter']['pm_id'] = $this->project->children($this->pm_id,array($this->pm_id));
			if (count($query['col_filter']['pm_id']) <= 1) $query['col_filter']['pm_id'] = $this->pm_id;
			// dont show the sub-projects
			$query['col_filter'][] = "link_app1!='projectmanager'";
		}
		// cumulate eg. timesheets in also included infologs
		$query['col_filter']['cumulate'] = !($query['filter2'] & 4);
		$total = parent::get_rows($query,$rows,$readonlys,true);
		unset($query['col_filter']['cumulate']);

		// adding the project itself always as first line
		$self = $this->update('projectmanager',$this->pm_id);
		$self['pe_app']    = 'projectmanager';
		$self['pe_app_id'] = $this->pm_id;
		$self['pe_icon']   = 'projectmanager/navbar';
		$self['pe_modified'] = $this->project->data['pm_modified'];
		$self['pe_modifier'] = $this->project->data['pm_modifier'];
		$rows = array_merge(array($self),$rows);

		$readonlys = array();
		foreach($rows as $n => $val)
		{
			$row =& $rows[$n];
			if ($n && !$this->check_acl(EGW_ACL_EDIT,$row))
			{
				$readonlys["edit[$row[pe_id]]"] = true;
			}
			if ($n && !$this->check_acl(EGW_ACL_DELETE,$row))
			{
				$readonlys["delete[$row[pe_id]]"] = true;
			}
			if (!$n)
			{
				// no link for own project
				if (!$this->project->check_acl(EGW_ACL_EDIT,$this->project->data))
				{
					$readonlys['edit'] = true;
				}
			}
			else
			{
				$row['link'] = array(
					'app'  => $row['pe_app'],
					'id'   => $row['pe_app_id'],
					'title'=> $row['pe_title'],
					'help' => $row['pe_app'] == 'projectmanager' ? lang("Select this project and show it's elements") :
						lang('View this element in %1',lang($row['pe_app'])),
				);
			}
			if (!($query['filter2']&1)) unset($row['pe_details']);

			// add project-title for elements from sub-projects
			if (($query['filter2']&2) && $row['pm_id'] != $this->pm_id)
			{
				$row['pm_title'] = $this->project->link_title($row['pm_id']);
				$row['pm_link'] = array(
					'app'  => 'projectmanager',
					'id'   => $row['pm_id'],
					'title'=> $this->project->link_title($row['pm_id']),
					'help' => lang("Select this project and show it's elements"),
				);
			}
			$row['pe_completion_icon'] = $row['pe_completion'] == 100 ? 'done' : $row['pe_completion'];

			$custom_app_icons[$row['pe_app']][] = $row['pe_app_id'];
		}
		array_unshift($rows,false);	// manually make the array start with index 1!

		if ($GLOBALS['egw_info']['user']['preferences']['projectmanager']['show_custom_app_icons'])
		{
			$custom_app_icons['location'] = 'pm_custom_app_icons';
			$custom_app_icons = $GLOBALS['egw']->hooks->process($custom_app_icons);
			unset($row);	// it's used as reference before !!!
			foreach($rows as $n => $row)
			{
				if (isset($custom_app_icons[$row['pe_app']][$row['pe_app_id']]))
				{
					$rows[$n]['pe_completion_icon'] = $custom_app_icons[$row['pe_app']][$row['pe_app_id']];
				}
			}
		}
		if (!$this->project->check_acl(EGW_ACL_BUDGET))
		{
			$rows['no_pe_used_budget_pe_planned_budget'] = true;
		}
		if ($this->project->data['pm_accounting_type'] == 'status')
		{
			$rows['no_pe_used_time_pe_planned_time'] = $rows['no_pe_used_time_pe_planned_time_pe_replanned_time'] = true;
		}
		// disable time & budget columns if pm is configures for status or status and time only
		if ($this->config['accounting_types'] == 'status')
		{
			$rows['no_pm_used_time_pm_planned_time_pe_replanned_time'] = true;
			$rows['no_pm_used_budget_pm_planned_budget'] = true;
			$query_in['options-selectcols']['pm_used_time'] = $query_in['options-selectcols']['pm_planned_time'] = false;
			$query_in['options-selectcols']['pm_used_time'] = $query_in['options-selectcols']['pm_replanned_time'] = false;
			$query_in['options-selectcols']['pm_used_budget'] = $query_in['options-selectcols']['pm_planned_budget'] = false;
		}
		if ($this->config['accounting_types'] == 'status,times')
		{
			$rows['no_pm_used_budget_pm_planned_budget'] = true;
			$query_in['options-selectcols']['pm_used_budget'] = $query_in['options-selectcols']['pm_planned_budget'] = false;
		}
		$rows['duration_format'] = ','.$this->config['duration_format'].',,1';
		if ($query['cat_id']) $rows['no_cat_id'] = true;
		// calculate the filter-specific summary if we have a filter, beside the default pe_status=used=array(new,regular)
		if (array_diff(array_keys($query['col_filter']),array(0,'pe_status','pm_id')) || !is_array($query['col_filter']['pe_status']))
		{
			$rows += $this->summary(null,$query['col_filter']);
		}
		if ((int)$this->debug >= 2 || $this->debug == 'get_rows')
		{
			$this->debug_message("projectmanager_elements_ui::get_rows(".print_r($query,true).") total=$total, rows =".print_r($rows,true)."readonlys=".print_r($readonlys,true));
		}
		return $total;
	}

	/**
	 * List existing projects-elements
	 *
	 * @param array $content=null
	 * @param string $msg=''
	 */
	function index($content=null,$msg='')
	{
		if ((int) $this->debug >= 1 || $this->debug == 'index') $this->debug_message("projectmanager_elements_ui::index(".print_r($content,true).",$msg)");

		// store the current project (only for index, as popups may be called by other parent-projects)
		$GLOBALS['egw']->session->appsession('pm_id','projectmanager',$this->project->data['pm_id']);

		if ($_GET['msg']) $msg = $_GET['msg'];

		if ($content['nm']['rows']['edit'])
		{
			$this->tpl->location(array(
				'menuaction' => 'projectmanager.uiprojectmanager.edit',
				'pm_id'      => $this->pm_id,
			));
		}
		elseif ($content['sync_all'] && $this->project->check_acl(EGW_ACL_ADD))
		{
			$msg = lang('%1 element(s) updated',$this->sync_all());
		}
		elseif((int) $_GET['delete'] || $content['nm']['rows']['delete'])
		{
			if ($content['nm']['rows']['delete'])
			{
				list($pe_id) = each($content['nm']['rows']['delete']);
			}
			else
			{
				$pe_id = (int) $_GET['delete'];
			}
			if ($this->read($pe_id) && !$this->check_acl(EGW_ACL_DELETE))
			{
				$msg = lang('Permission denied !!!');
			}
			else
			{
				$msg = $this->delete($pe_id) ? lang('Project-Element deleted') :
					lang('Error: deleting project-element !!!');
			}
		}
		$content = array(
			'nm' => $GLOBALS['egw']->session->appsession('projectelements_list','projectmanager'),
			'msg'      => $msg,
		);
		if (!is_array($content['nm']))
		{
			$content['nm'] = array(
				'get_rows'       =>	'projectmanager.projectmanager_elements_ui.get_rows',
				'filter'         => 'used',// I initial value for the filter
				'filter_label'   => lang('Filter'),// I  label for filter    (optional)
				'options-filter' => $this->status_labels,
				'filter_no_lang' => True,// I  set no_lang for filter (=dont translate the options)
				'options-filter2' => array(
					0 => 'No details',
					1 => 'Details',
					2 => 'Subelements',
					3 => 'Details of subelements',
					4 => 'Cumulated elements too',
					5 => 'Details of cumulated',
				),
				'col_filter' => array('pe_resources' => 0),	// default value, to suppress loop
				'order'          =>	'pe_modified',// IO name of the column to sort after (optional for the sortheaders)
				'sort'           =>	'DESC',// IO direction of the sort: 'ASC' or 'DESC'
				'default_cols'   => '!cat_id,pe_used_time_pe_planned_time_pe_replanned_time',
			);
		}
		// add "buttons" only with add-rights
		if ($this->project->check_acl(EGW_ACL_ADD))
		{
			$content['nm']['header_right'] = 'projectmanager.elements.list.add';
			$content['nm']['header_left']  = 'projectmanager.elements.list.add-new';
		}
		else
		{
			unset($content['nm']['header_right']);
			unset($content['nm']['header_left']);
			$readonlys['sync_all'] = true;
		}
		$content['nm']['link_to'] = array(
			'to_id'    => $this->pm_id,
			'to_app'   => 'projectmanager',
			'no_files' => true,
			'search_label' => 'Add existing',
			'link_label'   => 'Add',
		);
		$content['nm']['link_add'] = array(
			'to_id'    => $this->pm_id,
			'to_app'   => 'projectmanager',
			'add_app'  => 'infolog',
		);
		// set id for automatic linking via quick add
		$GLOBALS['egw_info']['flags']['currentid'] = $this->pm_id;

		$GLOBALS['egw_info']['flags']['app_header'] = lang('projectmanager').' - '.lang('Elementlist') .
			': ' . $this->project->data['pm_number'] . ': ' .$this->project->data['pm_title'] ;
		$this->tpl->read('projectmanager.elements.list');
		$this->tpl->exec('projectmanager.projectmanager_elements_ui.index',$content,'',$readonlys);
	}
}
