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

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<?php
class Ctrl_AllTasks
extends Controller
{
public function handle( Page $page )
{
try {
$mode = $this->getParameter( 'mode' , 'GET' );
} catch ( ParameterException $e ) {
$mode = 'active';
}
if ( $mode == 'active' ) {
$tasks = Loader::DAO( 'tasks' )->getAllActiveTasks( );
$title = 'Active tasks';
$bTitle = 'Display active tasks';
$bMode = 'blocked';
} elseif ( $mode == 'blocked' ) {
$tasks = Loader::DAO( 'tasks' )->getAllBlockedTasks( );
$title = 'Blocked tasks';
$bTitle = 'Display all tasks';
$bMode = 'all';
} else {
$mode = 'all';
$tasks = Loader::DAO( 'tasks' )->getAllTasks( );
$title = 'All tasks';
$bTitle = 'Display active tasks only';
$bMode = 'active';
}
$tree = Loader::DAO( 'items' )->getTree( );
$box = Loader::View( 'box' , $title , Loader::View( 'all_tasks' , $tasks , $mode ) )
->addButton( BoxButton::create( $bTitle , 'tasks?mode=' . $bMode )
->setClass( 'icon refresh' ) );
if ( !empty( $tree ) ) {
$box ->addButton( BoxButton::create( 'New task' , 'tasks/add' )
->setClass( 'list-add' ) );
}
return $box;
}
}
abstract class Ctrl_TaskFormBase
extends Controller
{
protected final function createPrioritySelector( )
{
$select = Loader::Create( 'Field' , 'priority' , 'select' )
->setDescription( 'Priority:' )
->setValidator( Loader::Create( 'Validator_IntValue' , 'Priorité invalide' )
->setMinValue( 1 )->setMaxValue( 5 ) );
$tasks = Loader::DAO( 'tasks' );
for ( $i = 5 ; $i >= 1 ; $i -- ) {
$select->addOption( $i , $tasks->translatePriority( $i ) );
}
return $select;
}
}
class Ctrl_AddTaskForm
extends Ctrl_TaskFormBase
{
public function handle( Page $page )
{
try {
$target = (int) $this->getParameter( 'to' );
} catch ( ParameterException $e ) {
$target = null;
}
$form = Loader::Create( 'Form' , 'Add this task' , 'create-task' );
if ( $target === null ) {
$returnURL = 'tasks';
if ( ! $this->addItemSelector( $form ) ) {
return 'items';
}
} else {
$item = Loader::DAO( 'items' )->get( $target );
if ( $item === null ) {
return 'items';
}
$returnURL = 'items/view?id=' . $target;
$form->addField( Loader::Create( 'Field' , 'to' , 'hidden' )
->setDefaultValue( $target ) )
->addField( Loader::Create( 'Field' , 'item' , 'hidden' )
->setDefaultValue( $target ) );
}
$page->setTitle( 'New task' );
return $form->addField( Loader::Create( 'Field' , 'title' , 'text' )
->setDescription( 'Task title:' )
->setModifier( Loader::Create( 'Modifier_TrimString' ) )
->setValidator( Loader::Create( 'Validator_StringLength' , 'This title' , 5 , 256 ) ) )
->addField( $this->createPrioritySelector( )
->setDefaultValue( 3 ) )
->addField( Loader::Create( 'Field' , 'description' , 'textarea' )
->setDescription( 'Description:' )
->setMandatory( false ) )
->setURL( $returnURL )
->addController( Loader::Ctrl( 'add_task' ) )
->controller( );
}
private function addItemSelector( $form )
{
$form->addField( $select = Loader::Create( 'Field' , 'item' , 'select' )
->setDescription( 'Item:' )
->addOption( '' , '(please select an item)' ) );
$items = Loader::DAO( 'items' )->getTreeList( );
if ( empty( $items ) ) {
return false;
}
foreach ( $items as $item ) {
$name = '-' . str_repeat( '--' , $item->depth ) . ' ' . $item->name;
$select->addOption( $item->id , $name );
}
return true;
}
}
class Ctrl_ViewTask
extends Controller
{
public function handle( Page $page )
{
try {
$id = (int) $this->getParameter( 'id' , 'GET' );
} catch ( ParameterException $e ) {
return 'tasks';
}
$task = Loader::DAO( 'tasks' )->get( $id );
if ( $task === null ) {
return 'tasks';
}
$page->setTitle( $task->title . ' (task)' );
$result = array(
Loader::Ctrl( 'task_details' , $task ) ,
Loader::Ctrl( 'task_dependencies' , $task ) ,
);
if ( $task->completed_by === null ) {
array_push( $result , Loader::Ctrl( 'add_task_note_form' , $task ) );
}
array_push( $result , Loader::Ctrl( 'task_notes' , $task ) );
return $result;
}
}
class Ctrl_DeleteTaskForm
extends Controller
{
public function handle( Page $page )
{
// Check selected task
try {
$id = (int) $this->getParameter( 'id' );
} catch ( ParameterException $e ) {
return 'tasks';
}
$tasks = Loader::DAO( 'tasks' );
$task = $tasks->get( $id );
if ( $task === null ) {
return 'tasks';
}
if ( ! $tasks->canDelete( $task ) ) {
return 'tasks/view?id=' . $id;
}
$page->setTitle( $task->title . ' (task)' );
// Generate confirmation text
$confText = HTML::make( 'div' )
->appendElement( HTML::make( 'p' )
->appendText( "You are about to delete this task, and any comment attached to it." ) )
->appendElement( HTML::make( 'p' )
->appendText( "This operation cannot be undone." ) );
// Generate form
return Loader::Create( 'Form' , 'Delete the task' , 'delete-task' , 'Task deletion' )
->addField( Loader::Create( 'Field' , 'id' , 'hidden' )
->setDefaultValue( $task->id ) )
->addField( Loader::Create( 'Field' , 'confirm' , 'html' )->setDefaultValue( $confText ) )
->setCancelURL( 'tasks/view?id=' . $task->id )
->setSuccessURL( 'items/view?id=' . $task->item )
->addController( Loader::Ctrl( 'delete_task' ) )
->controller( );
}
}
class Ctrl_EditTaskForm
extends Ctrl_TaskFormBase
{
public function handle( Page $page )
{
try {
$id = (int) $this->getParameter( 'id' );
} catch ( ParameterException $e ) {
return 'tasks';
}
$task = Loader::DAO( 'tasks' )->get( $id );
if ( $task === null ) {
return 'tasks';
}
$page->setTitle( $task->title . ' (task)' );
return Loader::Create( 'Form' , 'Update task' , 'edit-task' , 'Editing task' )
->setURL( 'tasks/view?id=' . $task->id )
->addField( Loader::Create( 'Field' , 'id' , 'hidden' )
->setDefaultValue( $task->id ) )
->addField( $this->createItemSelector( )
->setDefaultValue( $task->item ) )
->addField( Loader::Create( 'Field' , 'title' , 'text' )
->setDescription( 'Title:' )
->setModifier( Loader::Create( 'Modifier_TrimString' ) )
->setValidator( Loader::Create( 'Validator_StringLength' , 'This title' , 5 , 256 ) )
->setDefaultValue( $task->title ) )
->addField( $this->createPrioritySelector( )
->setDefaultValue( $task->priority ) )
->addField( Loader::Create( 'Field' , 'description' , 'textarea' )
->setDescription( 'Description:' )
->setMandatory( false )
->setDefaultValue( $task->description ) )
->addController( Loader::Ctrl( 'edit_task' ) )
->controller( );
}
private function createItemSelector( )
{
$select = Loader::Create( 'Field' , 'item' , 'select' )
->setDescription( 'On item:' );
$items = Loader::DAO( 'items' )->getTreeList( );
foreach ( $items as $item ) {
$name = '-' . str_repeat( '--' , $item->depth ) . ' ' . $item->name;
$select->addOption( $item->id , $name );
}
return $select;
}
}
class Ctrl_DeleteNoteForm
extends Controller
{
public function handle( Page $page )
{
// Check selected note
try {
$id = (int) $this->getParameter( 'id' );
} catch ( ParameterException $e ) {
return 'tasks';
}
$tasks = Loader::DAO( 'tasks' );
$note = $tasks->getNote( $id );
if ( $note === null ) {
return 'tasks';
}
if ( !$note->editable ) {
return 'tasks/view?id=' . $note->task;
}
$task = $tasks->get( $note->task );
$page->setTitle( $task->title . ' (task)' );
// Generate confirmation text
$confText = HTML::make( 'div' )
->appendElement( HTML::make( 'p' )
->appendText( 'You are about to delete a comment attached to this task.' ) )
->appendElement( HTML::make( 'p' )
->appendText( 'This operation cannot be undone.' ) );
// Generate form
return Loader::Create( 'Form' , 'Delete this comment' , 'delete-note' , 'Comment deletion' )
->addField( Loader::Create( 'Field' , 'id' , 'hidden' )
->setDefaultValue( $note->id ) )
->addField( Loader::Create( 'Field' , 'confirm' , 'html' )->setDefaultValue( $confText ) )
->setURL( 'tasks/view?id=' . $note->task )
->addController( Loader::Ctrl( 'delete_note' ) )
->controller( );
}
}
class Ctrl_EditNoteForm
extends Controller
{
public function handle( Page $page )
{
// Check selected note
try {
$id = (int) $this->getParameter( 'id' );
} catch ( ParameterException $e ) {
return 'tasks';
}
$tasks = Loader::DAO( 'tasks' );
$note = $tasks->getNote( $id );
if ( $note === null ) {
return 'tasks';
}
if ( !$note->editable ) {
return 'tasks/view?id=' . $note->task;
}
$task = $tasks->get( $note->task );
$page->setTitle( $task->title . ' (task)' );
// Generate form
return Loader::Create( 'Form' , 'Update comment' , 'edit-note' )
->addField( Loader::Create( 'Field' , 'id' , 'hidden' )
->setDefaultValue( $note->id ) )
->addField( Loader::Create( 'Field' , 'text' , 'textarea' )
->setDescription( 'Comment:' )
->setValidator( Loader::Create( 'Validator_StringLength' , 'Le texte' , 5 ) )
->setDefaultValue( $note->text ) )
->setURL( 'tasks/view?id=' . $note->task )
->addController( Loader::Ctrl( 'edit_note' ) )
->controller( );
}
}
class Ctrl_DependencyAddForm
extends Controller
{
public function handle( Page $page )
{
// Check selected note
try {
$id = (int) $this->getParameter( 'to' );
} catch ( ParameterException $e ) {
return 'tasks';
}
$tasks = Loader::DAO( 'tasks' );
$task = $tasks->get( $id );
if ( $task === null ) {
return 'tasks';
}
if ( $task->completed_at !== null || empty( $task->possibleDependencies ) ) {
return 'tasks/view?id=' . $id;
}
$page->setTitle( $task->title . ' (task)' );
// Generate form
$form = Loader::Create( 'Form' , 'Add dependency' , 'add-dep' )
->addField( Loader::Create( 'Field' , 'to' , 'hidden' )
->setDefaultValue( $id ) );
$this->addDependencySelector( $form , $task->possibleDependencies );
return $form->setURL( 'tasks/view?id=' . $id )
->addController( Loader::Ctrl( 'dependency_add' ) )
->controller( );
}
private function addDependencySelector( $form , $possibleDependencies )
{
$form->addField( $select = Loader::Create( 'Field' , 'dependency' , 'select' )
->setDescription( 'Dependency to add:' )
->addOption( '' , '(please select a task)' ) );
$depsByItem = $this->getDependenciesByItem( $possibleDependencies );
$items = $this->getItemsToDisplay( $depsByItem );
foreach ( $items as $item ) {
$prefix = '-' . str_repeat( '--' , $item->depth );
$name = $prefix . ' ' . $item->name;
$select->addOption( 'I' . $item->id , $name , true );
if ( ! array_key_exists( $item->id , $depsByItem ) ) {
continue;
}
foreach ( $depsByItem[ $item->id ] as $task ) {
$select->addOption( $task->id , $prefix . '-> ' . $task->title );
}
}
return true;
}
private function getDependenciesByItem( $possibleDependencies )
{
$dbi = array( );
foreach ( $possibleDependencies as $pDep ) {
$dbi[ $pDep->item ][] = $pDep;
}
return $dbi;
}
private function getItemsToDisplay( $depsByItem )
{
$dao = Loader::DAO( 'items' );
$allItems = $dao->getTreeList( );
$found = array( );
foreach ( array_keys( $depsByItem ) as $id ) {
if ( array_key_exists( $id , $found ) ) {
continue;
}
$item = $dao->get( $id );
foreach ( $dao->getLineage( $item ) as $parent ) {
$found[ $parent ] = 1;
}
$found[ $id ] = 1;
}
$result = array( );
foreach ( $allItems as $item ) {
if ( array_key_exists( $item->id , $found ) ) {
array_push( $result , $item );
}
}
return $result;
}
}
class Ctrl_DependencyDeleteForm
extends Controller
{
public function handle( Page $page )
{
$tasks = Loader::DAO( 'tasks' );
// Get the task a dependency is being removed from
try {
$from = (int) $this->getParameter( 'from' );
} catch ( ParameterException $e ) {
return 'tasks';
}
$task = $tasks->get( $from );
if ( $task === null ) {
return 'tasks';
}
$page->setTitle( $task->title . ' (task)' );
if ( $task->completed_at !== null ) {
return 'tasks/view?id=' . $from;
}
// Get the dependency being deleted
try {
$to = (int) $this->getParameter( 'to' );
} catch ( ParameterException $e ) {
return 'tasks/view?id=' . $from;
}
$dependency = $tasks->get( $to );
if ( $dependency === null || ! $this->checkDependency( $task , $to ) ) {
return 'tasks/view?id=' . $from;
}
// Generate confirmation text
$confText = HTML::make( 'div' )
->appendElement( HTML::make( 'p' )
->appendText( 'The selected task will no longer depend on ' )
->appendElement( HTML::make( 'strong' )
->appendText( $dependency->title ) )
->appendText( '.' ) );
// Generate form
return Loader::Create( 'Form' , 'Delete dependency' , 'delete-dep' )
->addField( Loader::Create( 'Field' , 'from' , 'hidden' )
->setDefaultValue( $from ) )
->addField( Loader::Create( 'Field' , 'to' , 'hidden' )
->setDefaultValue( $to ) )
->addField( Loader::Create( 'Field' , 'confirm' , 'html' )->setDefaultValue( $confText ) )
->setURL( 'tasks/view?id=' . $from )
->addController( Loader::Ctrl( 'dependency_delete' ) )
->controller( );
}
private function checkDependency( $task , $to )
{
foreach ( $task->dependencies as $dep ) {
if ( $dep->id == $to ) {
return true;
}
}
return false;
}
}