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draw_tree_node_table()

Description

Renders HTML for a tree node

Parameters

ColumnTypeDefaultDescription
$ref integer ID of the node
$resource_type_field integer ID of the metadata field
$name string Node name to be used (international)
$parent integer ID of the parent of this node
$order_by integer Value of the order in the list (e.g. 10)
$last_node boolean false Set to true to allow to insert new records after last node in each level
$use_count integer 0 Counter of how many resources use a particular node

Return

boolean

Location

include/node_functions.php lines 785 to 949

Definition

 
function draw_tree_node_table($ref, $resource_type_field, $name, $parent, $order_by, $last_node = false, $use_count = 0)
    {
    global $baseurl_short, $lang, $FIXED_LIST_FIELD_TYPES;

    static $resource_type_field_last = 0;
    static $all_nodes = array();    

    if(is_null($ref) || (trim($ref)==""))
        {
        return false;
        }

    $fieldinfo  = get_resource_type_field($resource_type_field);
    if(!in_array($fieldinfo["type"],$FIXED_LIST_FIELD_TYPES))
        {
        return false;
        }

    $toggle_node_mode = '';
    $spacer_filename  = 'sp.gif';
    $onClick          = '';
    $node_index = $order_by / 10;

    if(is_parent_node($ref))
        {
        $toggle_node_mode = 'unex';
        $spacer_filename  = 'node_unex.gif';
        $onClick          = sprintf('ToggleTreeNode(%s, %s);', $ref, $resource_type_field);
        }

    // Determine Node depth
    $node_depth_level = get_tree_node_level($ref);

    // Fetch all nodes on change of resource type field
    if($resource_type_field !== $resource_type_field_last)
        {
        global $node_tree_data;
        if(!empty($node_tree_data))
            {
            $all_nodes = $node_tree_data;
            }
        else
            {
            $all_nodes = $node_tree_data = get_nodes($resource_type_field, null, true, null, null, '', true);
            }
        $resource_type_field_last = $resource_type_field;    
        }

    // We remove the current node from the list of parents for it( a node should not add to itself)
    $nodes = $all_nodes;
    $nodes_index_to_remove = array_search($ref, array_column($nodes, 'ref'));
    $node_info = $nodes[$nodes_index_to_remove];
    unset($nodes[$nodes_index_to_remove]);
    $nodes = array_values($nodes);
    $node_disabled_class = $node_info['active'] === 0 ? 'FieldDisabled' : '';
    $activation_action_label = node_is_active($node_info)
        ? $lang['userpreference_disable_option']
        : $lang['userpreference_enable_option'];
    ?>
    <table id="node_ echo $ref; ?>" cellspacing="0" cellpadding="5" data-toggle-node-mode = " echo $toggle_node_mode; ?>">
        <tbody>
            <tr>
            
            // Indent node to the correct depth level
            $i = $node_depth_level;
            while(0 < $i)
                {
                $i--;
                ?>
                <td class="backline" width="10">
                    <img alt="" width="11" height="11" hspace="4" src=" echo $baseurl_short; ?>gfx/interface/sp.gif">
                </td>
                
                }
                ?>
                <td class="backline" width="10">
                    <img alt="" id="node_ echo (int) $ref; ?>_toggle_button" width="11" height="11" hspace="4" src=" echo $baseurl_short; ?>gfx/interface/ echo $spacer_filename; ?>" onclick=" echo $onClick; ?>">
                </td>
                <td>
                    <input
                        type="text"
                        class=" echo escape($node_disabled_class); ?>"
                        name="option_name"
                        form="option_ echo (int) $ref; ?>"
                        value=" echo escape($name); ?>"
                    >
                </td>
                <td>
                    <select id="node_option_ echo $ref; ?>_parent_select" parent_node=" echo $parent; ?>" class="node_parent_chosen_selector" name="option_parent" form="option_ echo $ref; ?>">
                        <option value="">Select parent</option>
                    </select>
                </td>
                <td> echo $use_count ?></td>
                <td>
                    <div class="ListTools">
                        <form id="option_ echo $ref; ?>" method="post" action="/pages/admin/admin_manage_field_options.php?field= echo $resource_type_field; ?>">
                            <input type="hidden" name="option_order_by" value=" echo $order_by; ?>">
                            <input 
                                    type="number"
                                    name="node_order_by" 
                                    value=" echo $node_index; ?>" 
                                    id="option_ echo $ref; ?>_order_by" 
                                    readonly='true'
                                    min='1'
                                >
                            </td>
                            <td> <!-- Buttons for changing order -->
                                <button 
                                    type="button"
                                    id="option_ echo $ref; ?>_move_to"
                                    onclick="
                                        EnableMoveTo( echo $ref; ?>);
                                        
                                        return false;
                                    ">
                                     echo escape($lang['action-move-to']); ?>
                                </button>
                                <button 
                                    type="submit"
                                    id="option_ echo $ref; ?>_order_by_apply"
                                    onclick="
                                        ApplyMoveTo( echo $ref; ?>);
                                        return false;
                                    "
                                    style="display: none;"
                                >
                                 echo escape($lang['action-title_apply']); ?>
                                </button>
                                <button type="submit" onclick="ReorderNode( echo $ref; ?>, 'moveup'); return false;"> echo escape($lang['action-move-up']); ?></button>
                                <button type="submit" onclick="ReorderNode( echo $ref; ?>, 'movedown'); return false;"> echo escape($lang['action-move-down']); ?></button>
                            </td>
                        <td> <!-- Action buttons -->
                            <button type="submit" onclick="SaveNode( echo $ref; ?>); return false;"> echo escape($lang['save']); ?></button>
                            <button id="node_ echo escape($ref); ?>_toggle_active_btn" type="submit" onclick="ToggleNodeActivation( echo escape($ref); ?>); return false;"> echo escape($activation_action_label); ?></button>
                            
                            if(!is_parent_node($ref))
                                {?>
                            <button type="submit" onclick="DeleteNode( echo $ref; ?>); return false;"> echo escape($lang['action-delete']); ?></button>
                                 
                                }
                            ?>
                        </td>
                            
                         generateFormToken("option_{$ref}"); ?>
                        </form>
                    </div>
                </td>
            </tr>
        </tbody>
    </table>
    <div id="node_ echo $ref; ?>_children"></div>

    
    // Add a way of inserting new records after the last node of each level
    if($last_node)
        {
        if(trim((string) $parent)=="")
            {
            $parent = 0;
            }
        render_new_node_record('/pages/admin/admin_manage_field_options.php?field=' . $resource_type_field, true, $parent, $node_depth_level, $all_nodes);
        }

    return true;
    }

This article was last updated 27th April 2024 11:35 Europe/London time based on the source file dated 15th April 2024 11:30 Europe/London time.