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BUGFIX Calling parent constructors in ModelViewer

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ENHANCEMENT Checking for GraphViz dependency in ModelViewer

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@81544 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2009-07-10 00:37:04 +00:00
parent a738dc2027
commit b459d489a3
1 changed files with 20 additions and 1 deletions
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21
dev/ModelViewer.php
View File

@ -1,7 +1,9 @@
<?php
/**
* Gives you a nice way of viewing your data model.
* Access at dev/viewmodel
* Access at dev/viewmodel.
*
* Requirements: http://graphviz.org/
*
* @package sapphire
* @subpackage tools
@ -20,6 +22,17 @@ class ModelViewer extends Controller {
function init() {
parent::init();
if(!Permission::check("ADMIN")) Security::permissionFailure();
// check for graphviz dependencies
$returnCode = 0;
$output = array();
exec("which digraph && which neato", $output, $returnCode);
if($returnCode != 0) {
user_error(
'You don\'t seem to have the GraphViz library (http://graphviz.org/) or the "digraph" and "neato" command-line utility available',
E_USER_ERROR
);
}
}
/**
@ -78,6 +91,8 @@ class ModelViewer_Module extends ModelViewer {
*/
function __construct($module = null) {
$this->module = $module;
parent::__construct();
}
function graph() {
@ -158,6 +173,8 @@ class ModelViewer_Field extends ViewableData {
$this->Model = $model;
$this->Name = $name;
$this->Type = $type;
parent::__construct();
}
}
@ -169,6 +186,8 @@ class ModelViewer_Relation extends ViewableData {
$this->Name = $name;
$this->RelatedClass = $relatedClass;
$this->RelationType = $relationType;
parent::__construct();
}
}