tasks/includes/t-items/page_controllers.inc.php

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PHP
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<?php
class Ctrl_ViewItem
extends Controller
{
public function handle( Page $page )
{
try {
$id = (int) $this->getParameter( 'id' );
} catch ( ParameterException $e ) {
return $page->getBaseURL() . '/items';
}
$item = Loader::DAO( 'items' )->get( $id );
if ( $item === null ) {
return $page->getBaseURL() . '/items';
}
$page->setTitle( $item->name . ' (item)' );
return array(
Loader::Ctrl( 'item_details' , $item ) ,
Loader::Ctrl( 'items_tree' , 'id' ) ,
Loader::Ctrl( 'item_tasks' , $item )
);
}
}
class Ctrl_AddItemForm
extends Controller
implements TitleProvider
{
private $items;
public function handle( Page $page )
{
$this->items = Loader::DAO( 'items' );
$locationField = Loader::Create( 'Item_LocationField' , array( ) );
$form = Loader::Create( 'Form' , 'Add this item' , 'create-item' , 'New item information' )
->addField( Loader::Create( 'Field' , 'name' , 'text' )
->setDescription( 'Item name:' )
->setModifier( Loader::Create( 'Modifier_TrimString' ) )
->setValidator( Loader::Create( 'Validator_StringLength' , 'This name' , 2 , 128 ) ) )
->addField( $before = Loader::Create( 'Field' , 'before' , 'select' )
->setDescription( 'Insert before:' )
->setMandatory( false )
->setModifier( $locationField )
->setValidator( $locationField ) )
->addField( Loader::Create( 'Field' , 'from' , 'hidden' ) )
->addController( Loader::Ctrl( 'add_item' ) );
// Add options to the insert location selector
$this->addTreeOptions( $before , $this->items->getTree( ) );
$before->addOption( '1:' , 'the end of the list' );
// Try to guess return page and default insert location
try {
$from = (int) $this->getParameter( 'from' );
} catch ( ParameterException $e ) {
$from = 0;
}
if ( $from == 0 ) {
$returnURL = 'items';
$defBefore = '1:';
} else {
$returnURL = 'items/view?id=' . $from;
$defBefore = '1:' . $from;
}
$form->setURL( $returnURL );
$form->field( 'from' )->setDefaultValue( $from );
$before->setDefaultValue( $defBefore );
return $form->controller( );
}
private function addTreeOptions( $before , $tree )
{
foreach ( $tree as $item ) {
$name = '-' . str_repeat( '--' , $item->getDepth( ) ) . ' ' . $item->getName( );
$before->addOption( '0:' . $item->getIdentifier( ) , $name );
if ( !empty( $item->children ) ) {
$this->addTreeOptions( $before , $this->items->getAll( $item->children ) );
}
$name = '-' . str_repeat( '--' , $item->getDepth( ) + 1 ) . ' the end of ' . $item->getName( );
$before->addOption( '1:' . $item->getIdentifier( ) , $name );
}
}
public function getTitle( )
{
return 'Add item';
}
}
class Ctrl_MoveItemForm
extends Controller
{
private $items;
public function handle( Page $page )
{
// Check selected item
try {
$id = (int) $this->getParameter( 'id' );
} catch ( ParameterException $e ) {
return 'items';
}
$this->items = Loader::DAO( 'items' );
$item = $this->items->get( $id );
if ( $item === null ) {
return 'items';
}
$destinations = $this->items->getMoveTargets( $item );
if ( empty( $destinations ) ) {
return 'items/view?id=' . $item->id;
}
$page->setTitle( $item->name . ' (item)' );
// Field modifier / validator
$locationField = Loader::Create( 'Item_LocationField' , $destinations );
// Generate form
$form = Loader::Create( 'Form' , 'Move item' , 'move-item' )
->addField( Loader::Create( 'Field' , 'id' , 'hidden' )->setDefaultValue( $item->id ) )
->addField( $dest = Loader::Create( 'Field' , 'destination' , 'select' )
->setDescription( 'Move before:' )
->setModifier( $locationField )
->setValidator( $locationField ) )
->setURL( 'items/view?id=' . $item->id )
->addController( Loader::Ctrl( 'move_item' ) );
$this->addDestinations( $dest , $this->items->getTree( ) , $destinations );
if ( in_array( '1:' , $destinations ) ) {
$dest->addOption( '1:' , 'the end of the list' );
}
return $form->controller( );
}
private function addDestinations( $field , $tree , $destinations )
{
foreach ( $tree as $item ) {
$id = '0:' . $item->id;
$disabled = ! in_array( $id , $destinations );
if ( $disabled && ! $this->checkChildren( $item , $destinations ) ) {
continue;
}
$name = '-' . str_repeat( '--' , $item->getDepth( ) ) . ' ' . $item->getName( );
$field->addOption( $id , $name , $disabled );
if ( !empty( $item->children ) ) {
$this->addDestinations( $field , $this->items->getAll( $item->children ) , $destinations );
}
$id = '1:' . $item->id;
if ( ! in_array( $id , $destinations ) ) {
continue;
}
$name = '-' . str_repeat( '--' , $item->getDepth( ) + 1 ) . ' the end of ' . $item->getName( );
$field->addOption( $id , $name );
}
}
private function checkChildren( $item , $destinations )
{
$children = $this->items->getAll( $item->children );
foreach ( $children as $child ) {
if ( in_array( '0:' . $child->id , $destinations ) ) {
return true;
}
}
if ( in_array( '1:' . $item->id , $destinations ) ) {
return true;
}
foreach ( $children as $child ) {
if ( $this->checkChildren( $child , $destinations ) ) {
return true;
}
}
return false;
}
}
class Ctrl_DeleteItemForm
extends Controller
{
private $items;
public function handle( Page $page )
{
// Check selected item
try {
$id = (int) $this->getParameter( 'id' );
} catch ( ParameterException $e ) {
return 'items';
}
$items = Loader::DAO( 'items' );
$item = $items->get( $id );
if ( $item === null ) {
return 'items';
}
if ( ! $items->canDelete( $item ) ) {
return 'items/view?id=' . $id;
}
$page->setTitle( $item->name . ' (item)' );
// Generate confirmation text
$confText = HTML::make( 'div' )
->appendElement( HTML::make( 'p' )
->appendText( 'You are about to delete this item.' ) )
->appendElement( HTML::make( 'p' )
->appendText( 'All child items and all tasks the item contains will be deleted permanently.' ) )
->appendElement( HTML::make( 'p' )
->appendText( 'It is impossible to undo this operation.' ) );
// Generate form
$form = Loader::Create( 'Form' , 'Delete the item' , 'delete-item' , 'Please confirm' )
->addField( Loader::Create( 'Field' , 'id' , 'hidden' )
->setDefaultValue( $item->id ) )
->addField( Loader::Create( 'Field' , 'confirm' , 'html' )->setDefaultValue( $confText ) )
->setCancelURL( 'items/view?id=' . $item->id )
->setSuccessURL( 'items' ) // XXX: use lineage
->addController( Loader::Ctrl( 'delete_item' ) );
return $form->controller( );
}
}
class Ctrl_EditItemForm
extends Controller
{
private $items;
public function handle( Page $page )
{
// Check selected item
try {
$id = (int) $this->getParameter( 'id' );
} catch ( ParameterException $e ) {
return 'items';
}
$this->items = Loader::DAO( 'items' );
$item = $this->items->get( $id );
if ( $item === null ) {
return 'items';
}
$page->setTitle( $item->name . ' (item)' );
return Loader::Create( 'Form' , 'Update item' , 'edit-item' )
->setURL( 'items/view?id=' . $item->id )
->addField( Loader::Create( 'Field' , 'name' , 'text' )
->setDescription( 'Name of the item:' )
->setModifier( Loader::Create( 'Modifier_TrimString' ) )
->setValidator( Loader::Create( 'Validator_StringLength' , 'This name' , 2 , 128 ) )
->setDefaultValue( $item->name ) )
->addField( Loader::Create( 'Field' , 'id' , 'hidden' )
->setDefaultValue( $item->id ) )
->addController( Loader::Ctrl( 'edit_item' ) )
->controller( );
}
}