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categories: better handling of editing/moving categories within the cat-tree

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This commit is contained in:
Klaus Leithoff 2010-10-14 15:33:10 +00:00
parent d261f92a75
commit 5c66c7d162
2 changed files with 76 additions and 5 deletions
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6
admin/inc/class.admin_categories.inc.php
View File

@ -136,9 +136,15 @@ class admin_categories
case 'apply':
if ($content['id'] && self::$acl_edit)
{
try {
$cats->edit($content);
$msg = lang('Category saved.');
}
catch (egw_exception_wrong_userinput $e)
{
$msg = lang('Unwilling to save category with current settings. Check for inconsistency:').$e->getMessage(); // display conflicts etc.
}
}
elseif (!$content['id'] && (
$content['parent'] && self::$acl_add_sub ||
!$content['parent'] && self::$acl_add))

69
phpgwapi/inc/class.categories.inc.php
View File

@ -414,6 +414,10 @@ class categories
$values['level'] = $this->id2name($values['parent'],'level')+1;
$values['main'] = $this->id2name($values['parent'],'main');
}
else
{
$values['level'] = 0;
}
$this->db->insert(self::TABLE,array(
'cat_parent' => $values['parent'],
'cat_owner' => $this->account_id,
@ -595,34 +599,95 @@ class categories
self::invalidate_cache($cat_id);
}
/**
* adapt_level_in_subtree of a category
*
* Owner and appname are set from the values used to instanciate the class!
*
* @param array $values array with cat-data (it need to be complete, as everything get's written)
* @return void
*/
function adapt_level_in_subtree($values)
{
foreach ((array) $this->return_sorted_array('',False,'','','',False, $values['id']) as $cat)
{
if ($cat['parent'] == $values['id'])
{
$this->db->update(self::TABLE,array(
'cat_level' => $values['level']+1,
'last_mod' => time(),
),array(
'cat_id' => $cat['id'],
'cat_appname' => $this->app_name,
),__LINE__,__FILE__);
$cat['level'] = $values['level'] + 1;
self::invalidate_cache($cat['id']);
$this->adapt_level_in_subtree($cat);
}
else
{
continue;
}
}
}
/**
* check_consistency4update - for edit
*
* @param array $values array with cat-data (it need to be complete, as everything get's written)
* @return mixed string/boolean errorstring if consitency check failed / true if the consistency check did not fail
*/
function check_consistency4update($values)
{
// check if we try to move an element down its own subtree, which will fail
foreach ($this->return_sorted_array('',False,'','','',False, $values['id']) as $cat) if ($cat['id'] == $values['parent']) return lang('Cannot set a category as parent, which is part of this categorys subtree!');
// check if we try to be our own parent
if ($values['parent']==$values['id']) return lang('Cannot set this cat as its own parent!'); // deny to be our own parent
// check if parent still exists
if ((int)$values['parent']>0 && !$this->read($values['parent'])) return lang('Chosen parent category no longer exists');
return true;
}
/**
* edit / update a category
*
* Owner and appname are set from the values used to instanciate the class!
*
* @param array $values array with cat-data (it need to be complete, as everything get's written)
* @return int cat-id
* @return int cat-id or false if it failed
*/
function edit($values)
{
if (isset($values['old_parent']) && (int)$values['old_parent'] != (int)$values['parent'])
{
$this->delete($values['id'],False,True);
$ret = $this->check_consistency4update($values);
if ($ret !== true) throw new egw_exception_wrong_userinput($ret);
// everything seems in order -> proceed
$values['level'] = ($values['parent'] ? $this->id2name($values['parent'],'level')+1:0);
$this->adapt_level_in_subtree($values);
return $this->add($values);
}
else
{
//echo "old parent not set <br>";
if ($values['parent'] > 0)
{
$ret = $this->check_consistency4update($values);
if ($ret !== true) throw new egw_exception_wrong_userinput($ret);
// everything seems in order -> proceed
$values['main'] = $this->id2name($values['parent'],'main');
$values['level'] = $this->id2name($values['parent'],'level') + 1;
}
else
{
//echo "new parent not set <br>";
$values['main'] = $values['id'];
$values['level'] = 0;
}
// adapt the level info in each child
$this->adapt_level_in_subtree($values);
}
$this->db->update(self::TABLE,array(
'cat_name' => $values['name'],