CliMenu::removeCustomControlMapping() - Code Metrics - Inspection of "Merge pull request #87 from Lynesth/patch-7" - php-school/cli-menu - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( b59108...82796c )

by Aydin

created 2018-05-01 15:34 UTC

CliMenu::removeCustomControlMapping() A

↳ Parent: CliMenu

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	8
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	4
nc	2
nop	1

<?php

namespace PhpSchool\CliMenu;

use PhpSchool\CliMenu\Dialogue\NumberInput;
use PhpSchool\CliMenu\Exception\InvalidInstantiationException;
use PhpSchool\CliMenu\Exception\InvalidTerminalException;
use PhpSchool\CliMenu\Exception\MenuNotOpenException;
use PhpSchool\CliMenu\Input\InputIO;
use PhpSchool\CliMenu\Input\Number;
use PhpSchool\CliMenu\Input\Password;
use PhpSchool\CliMenu\Input\Text;
use PhpSchool\CliMenu\MenuItem\LineBreakItem;
use PhpSchool\CliMenu\MenuItem\MenuItemInterface;
use PhpSchool\CliMenu\MenuItem\StaticItem;
use PhpSchool\CliMenu\Dialogue\Confirm;
use PhpSchool\CliMenu\Dialogue\Flash;
use PhpSchool\CliMenu\Terminal\TerminalFactory;
use PhpSchool\CliMenu\Util\StringUtil as s;
use PhpSchool\Terminal\Exception\NotInteractiveTerminal;
use PhpSchool\Terminal\InputCharacter;
use PhpSchool\Terminal\NonCanonicalReader;
use PhpSchool\Terminal\Terminal;
use PhpSchool\Terminal\TerminalReader;

/**
 * @author Michael Woodward <[email protected]>
 */
class CliMenu
{
    /**
     * @var Terminal
     */
    protected $terminal;

    /**
     * @var MenuStyle
     */
    protected $style;

    /**
     * @var ?string
     */
    protected $title;

    /**
     * @var MenuItemInterface[]
     */
    protected $items = [];

    /**
     * @var int
     */
    protected $selectedItem;

    /**
     * @var bool
     */
    protected $open = false;

    /**
     * @var CliMenu|null
     */
    protected $parent;

    /**
     * @var array
     */
    protected $defaultControlMappings = [
        '^P' => InputCharacter::UP,
        'k'  => InputCharacter::UP,
        '^K' => InputCharacter::DOWN,
        'j'  => InputCharacter::DOWN,
        "\r" => InputCharacter::ENTER,
        ' '  => InputCharacter::ENTER,
        'l'  => InputCharacter::LEFT,
        'm'  => InputCharacter::RIGHT,
    ];

    /**
     * @var array
     */
    protected $customControlMappings = [];

    /**
     * @var Frame
     */
    private $currentFrame;

    public function __construct(
        ?string $title,
        array $items,
        Terminal $terminal = null,
        MenuStyle $style = null
    ) {
        $this->title      = $title;
        $this->items      = $items;
        $this->terminal   = $terminal ?: TerminalFactory::fromSystem();
        $this->style      = $style ?: new MenuStyle($this->terminal);

        $this->selectFirstItem();
    }

    /**
     * Configure the terminal to work with CliMenu
     */
    protected function configureTerminal() : void
    {
        $this->assertTerminalIsValidTTY();

        $this->terminal->disableCanonicalMode();
        $this->terminal->disableEchoBack();
        $this->terminal->disableCursor();
        $this->terminal->clear();
    }

    /**
     * Revert changes made to the terminal
     */
    protected function tearDownTerminal() : void
    {
        $this->terminal->restoreOriginalConfiguration();
    }

    private function assertTerminalIsValidTTY() : void
    {
        if (!$this->terminal->isInteractive()) {
            throw new InvalidTerminalException('Terminal is not interactive (TTY)');
        }
    }


    public function setParent(CliMenu $parent) : void
    {
        $this->parent = $parent;
    }

    public function getParent() : ?CliMenu
    {
        return $this->parent;
    }

    public function getTerminal() : Terminal
    {
        return $this->terminal;
    }

    public function isOpen() : bool
    {
        return $this->open;
    }

    /**
     * Add a new Item to the menu
     */
    public function addItem(MenuItemInterface $item) : void
    {
        $this->items[] = $item;
        
        if (count($this->items) === 1) {
            $this->selectFirstItem();
        }
    }

    /**
     * Add multiple Items to the menu
     */
    public function addItems(array $items) : void
    {
        foreach ($items as $item) {
            $this->items[] = $item;
        }

        if (count($this->items) === count($items)) {
            $this->selectFirstItem();
        }
    }

    /**
     * Set Items of the menu
     */
    public function setItems(array $items) : void
    {
        $this->items = $items;

        $this->selectFirstItem();
    }

    /**
     * Set the selected pointer to the first selectable item
     */
    private function selectFirstItem() : void
    {
        foreach ($this->items as $key => $item) {
            if ($item->canSelect()) {
                $this->selectedItem = $key;
                break;
            }
        }
    }

    /**
     * Adds a custom control mapping
     */
    public function addCustomControlMapping(string $input, callable $callable) : void
    {
        if (isset($this->defaultControlMappings[$input]) || isset($this->customControlMappings[$input])) {
            throw new \InvalidArgumentException('Cannot rebind this input.');
        }

        $this->customControlMappings[$input] = $callable;
    }

    /**
     * Removes a custom control mapping
     */
    public function removeCustomControlMapping(string $input) : void
    {
        if (!isset($this->customControlMappings[$input])) {
            throw new \InvalidArgumentException('This input is not registered.');
        }

        unset($this->customControlMappings[$input]);
    }

    /**
     * Display menu and capture input
     */
    private function display() : void
    {
        $this->draw();

        $reader = new NonCanonicalReader($this->terminal);
        $reader->addControlMappings($this->defaultControlMappings);

        while ($this->isOpen() && $char = $reader->readCharacter()) {
            if (!$char->isHandledControl()) {
                $rawChar = $char->get();
                if (isset($this->customControlMappings[$rawChar])) {
                    $this->customControlMappings[$rawChar]($this);
                }
                continue;
            }

            switch ($char->getControl()) {
                case InputCharacter::UP:
                case InputCharacter::DOWN:
                    $this->moveSelection($char->getControl());
                    $this->draw();
                    break;
                case InputCharacter::ENTER:
                    $this->executeCurrentItem();
                    break;
            }
        }
    }

    /**
     * Move the selection in a given direction, up / down
     */
    protected function moveSelection(string $direction) : void
    {
        do {
            $itemKeys = array_keys($this->items);

            $direction === 'UP'
                ? $this->selectedItem--
                : $this->selectedItem++;

            if (!array_key_exists($this->selectedItem, $this->items)) {
                $this->selectedItem  = $direction === 'UP'
class Id
{
    public $id;

    public function __construct($id)
    {
        $this->id = $id;
    }

}

class Account
{
    /** @var  Id $id */
    public $id;
}

$account_id = false;

if (starsAreRight()) {
    $account_id = new Id(42);
}

$account = new Account();
if ($account instanceof Id)
{
    $account->id = $account_id;
}
                    ? end($itemKeys)
                    : reset($itemKeys);
            } elseif ($this->getSelectedItem()->canSelect()) {
                return;
            }
        } while (!$this->getSelectedItem()->canSelect());
    }

    public function getSelectedItem() : MenuItemInterface
    {
        return $this->items[$this->selectedItem];
    }

    /**
     * Execute the current item
     */
    protected function executeCurrentItem() : void
    {
        $item = $this->getSelectedItem();

        if ($item->canSelect()) {
            $callable = $item->getSelectAction();
            $callable($this);
        }
    }

    /**
     * Redraw the menu
     */
    public function redraw() : void
    {
        $this->assertOpen();
        $this->draw();
    }

    private function assertOpen() : void
    {
        if (!$this->isOpen()) {
            throw new MenuNotOpenException;
        }
    }

    /**
     * Draw the menu to STDOUT
     */
    protected function draw() : void
    {
        $this->terminal->clean();
        $this->terminal->moveCursorToTop();

        $frame = new Frame;

        $frame->newLine(2);

        if ($this->title) {
            $frame->addRows($this->drawMenuItem(new LineBreakItem()));
            $frame->addRows($this->drawMenuItem(new StaticItem($this->title)));
            $frame->addRows($this->drawMenuItem(new LineBreakItem($this->style->getTitleSeparator())));
        }

        array_map(function ($item, $index) use ($frame) {
            $frame->addRows($this->drawMenuItem($item, $index === $this->selectedItem));
        }, $this->items, array_keys($this->items));

        $frame->addRows($this->drawMenuItem(new LineBreakItem()));

        $frame->newLine(2);

        foreach ($frame->getRows() as $row) {
            $this->terminal->write($row);
        }

        $this->currentFrame = $frame;
    }

    /**
     * Draw a menu item
     */
    protected function drawMenuItem(MenuItemInterface $item, bool $selected = false) : array
    {
        $rows = $item->getRows($this->style, $selected);

        $setColour = $selected
            ? $this->style->getSelectedSetCode()
            : $this->style->getUnselectedSetCode();

        $unsetColour = $selected
            ? $this->style->getSelectedUnsetCode()
            : $this->style->getUnselectedUnsetCode();

        return array_map(function ($row) use ($setColour, $unsetColour) {
            return sprintf(
                "%s%s%s%s%s%s%s\n",
                str_repeat(' ', $this->style->getMargin()),
                $setColour,
                str_repeat(' ', $this->style->getPadding()),
                $row,
                str_repeat(' ', $this->style->getRightHandPadding(mb_strlen(s::stripAnsiEscapeSequence($row)))),
                $unsetColour,
                str_repeat(' ', $this->style->getMargin())
            );
        }, $rows);
    }

    /**
     * @throws InvalidTerminalException
     */
    public function open() : void
    {
        if ($this->isOpen()) {
            return;
        }

        $this->configureTerminal();
        $this->open = true;
        $this->display();
    }

    /**
     * Close the menu
     *
     * @throws InvalidTerminalException
     */
    public function close() : void
    {
        $menu = $this;

        do {
            $menu->closeThis();
            $menu = $menu->getParent();
        } while (null !== $menu);
        
        $this->tearDownTerminal();
    }

    public function closeThis() : void
    {
        $this->terminal->clean();
        $this->terminal->moveCursorToTop();
        $this->open = false;
    }

    /**
     * @return MenuItemInterface[]
     */
    public function getItems() : array
    {
        return $this->items;
    }

    public function removeItem(MenuItemInterface $item) : void
    {
        $key = array_search($item, $this->items, true);

        if (false === $key) {
            throw new \InvalidArgumentException('Item does not exist in menu');
        }

        unset($this->items[$key]);
        $this->items = array_values($this->items);
    }

    public function getStyle() : MenuStyle
    {
        return $this->style;
    }

    public function getCurrentFrame() : Frame
    {
        return $this->currentFrame;
    }

    public function flash(string $text) : Flash
    {
        $this->guardSingleLine($text);

        $style = (new MenuStyle($this->terminal))
            ->setBg('yellow')
            ->setFg('red');

        return new Flash($this, $style, $this->terminal, $text);
    }

    public function confirm($text) : Confirm
    {
        $this->guardSingleLine($text);

        $style = (new MenuStyle($this->terminal))
            ->setBg('yellow')
            ->setFg('red');

        return new Confirm($this, $style, $this->terminal, $text);
    }

    public function askNumber() : Number
    {
        $this->assertOpen();

        $style = (new MenuStyle($this->terminal))
            ->setBg('yellow')
            ->setFg('red');

        return new Number(new InputIO($this, $this->terminal), $style);
    }

    public function askText() : Text
    {
        $this->assertOpen();

        $style = (new MenuStyle($this->terminal))
            ->setBg('yellow')
            ->setFg('red');

        return new Text(new InputIO($this, $this->terminal), $style);
    }

    public function askPassword() : Password
    {
        $this->assertOpen();

        $style = (new MenuStyle($this->terminal))
            ->setBg('yellow')
            ->setFg('red');

        return new Password(new InputIO($this, $this->terminal), $style);
    }

    private function guardSingleLine($text)
    {
        if (strpos($text, "\n") !== false) {
            throw new \InvalidArgumentException;
        }
    }
}


1			<?php
2
3			namespace PhpSchool\CliMenu;
4
5			use PhpSchool\CliMenu\Dialogue\NumberInput;
6			use PhpSchool\CliMenu\Exception\InvalidInstantiationException;
7			use PhpSchool\CliMenu\Exception\InvalidTerminalException;
8			use PhpSchool\CliMenu\Exception\MenuNotOpenException;
9			use PhpSchool\CliMenu\Input\InputIO;
10			use PhpSchool\CliMenu\Input\Number;
11			use PhpSchool\CliMenu\Input\Password;
12			use PhpSchool\CliMenu\Input\Text;
13			use PhpSchool\CliMenu\MenuItem\LineBreakItem;
14			use PhpSchool\CliMenu\MenuItem\MenuItemInterface;
15			use PhpSchool\CliMenu\MenuItem\StaticItem;
16			use PhpSchool\CliMenu\Dialogue\Confirm;
17			use PhpSchool\CliMenu\Dialogue\Flash;
18			use PhpSchool\CliMenu\Terminal\TerminalFactory;
19			use PhpSchool\CliMenu\Util\StringUtil as s;
20			use PhpSchool\Terminal\Exception\NotInteractiveTerminal;
21			use PhpSchool\Terminal\InputCharacter;
22			use PhpSchool\Terminal\NonCanonicalReader;
23			use PhpSchool\Terminal\Terminal;
24			use PhpSchool\Terminal\TerminalReader;
25
26			/**
27			* @author Michael Woodward <[email protected]>
28			*/
29			class CliMenu
30			{
31			/**
32			* @var Terminal
33			*/
34			protected $terminal;
35
36			/**
37			* @var MenuStyle
38			*/
39			protected $style;
40
41			/**
42			* @var ?string
43			*/
44			protected $title;
45
46			/**
47			* @var MenuItemInterface[]
48			*/
49			protected $items = [];
50
51			/**
52			* @var int
53			*/
54			protected $selectedItem;
55
56			/**
57			* @var bool
58			*/
59			protected $open = false;
60
61			/**
62			* @var CliMenu\|null
63			*/
64			protected $parent;
65
66			/**
67			* @var array
68			*/
69			protected $defaultControlMappings = [
70			'^P' => InputCharacter::UP,
71			'k' => InputCharacter::UP,
72			'^K' => InputCharacter::DOWN,
73			'j' => InputCharacter::DOWN,
74			"\r" => InputCharacter::ENTER,
75			' ' => InputCharacter::ENTER,
76			'l' => InputCharacter::LEFT,
77			'm' => InputCharacter::RIGHT,
78			];
79
80			/**
81			* @var array
82			*/
83			protected $customControlMappings = [];
84
85			/**
86			* @var Frame
87			*/
88			private $currentFrame;
89
90			public function __construct(
91			?string $title,
92			array $items,
93			Terminal $terminal = null,
94			MenuStyle $style = null
95			) {
96			$this->title = $title;
97			$this->items = $items;
98			$this->terminal = $terminal ?: TerminalFactory::fromSystem();
99			$this->style = $style ?: new MenuStyle($this->terminal);
100
101			$this->selectFirstItem();
102			}
103
104			/**
105			* Configure the terminal to work with CliMenu
106			*/
107			protected function configureTerminal() : void
108			{
109			$this->assertTerminalIsValidTTY();
110
111			$this->terminal->disableCanonicalMode();
112			$this->terminal->disableEchoBack();
113			$this->terminal->disableCursor();
114			$this->terminal->clear();
115			}
116
117			/**
118			* Revert changes made to the terminal
119			*/
120			protected function tearDownTerminal() : void
121			{
122			$this->terminal->restoreOriginalConfiguration();
123			}
124
125			private function assertTerminalIsValidTTY() : void
126			{
127			if (!$this->terminal->isInteractive()) {
128			throw new InvalidTerminalException('Terminal is not interactive (TTY)');
129			}
130			}
131
132
133			public function setParent(CliMenu $parent) : void
134			{
135			$this->parent = $parent;
136			}
137
138			public function getParent() : ?CliMenu
139			{
140			return $this->parent;
141			}
142
143			public function getTerminal() : Terminal
144			{
145			return $this->terminal;
146			}
147
148			public function isOpen() : bool
149			{
150			return $this->open;
151			}
152
153			/**
154			* Add a new Item to the menu
155			*/
156			public function addItem(MenuItemInterface $item) : void
157			{
158			$this->items[] = $item;
159
160			if (count($this->items) === 1) {
161			$this->selectFirstItem();
162			}
163			}
164
165			/**
166			* Add multiple Items to the menu
167			*/
168			public function addItems(array $items) : void
169			{
170			foreach ($items as $item) {
171			$this->items[] = $item;
172			}
173
174			if (count($this->items) === count($items)) {
175			$this->selectFirstItem();
176			}
177			}
178
179			/**
180			* Set Items of the menu
181			*/
182			public function setItems(array $items) : void
183			{
184			$this->items = $items;
185
186			$this->selectFirstItem();
187			}
188
189			/**
190			* Set the selected pointer to the first selectable item
191			*/
192			private function selectFirstItem() : void
193			{
194			foreach ($this->items as $key => $item) {
195			if ($item->canSelect()) {
196			$this->selectedItem = $key;
197			break;
198			}
199			}
200			}
201
202			/**
203			* Adds a custom control mapping
204			*/
205			public function addCustomControlMapping(string $input, callable $callable) : void
206			{
207			if (isset($this->defaultControlMappings[$input]) \|\| isset($this->customControlMappings[$input])) {
208			throw new \InvalidArgumentException('Cannot rebind this input.');
209			}
210
211			$this->customControlMappings[$input] = $callable;
212			}
213
214			/**
215			* Removes a custom control mapping
216			*/
217			public function removeCustomControlMapping(string $input) : void
218			{
219			if (!isset($this->customControlMappings[$input])) {
220			throw new \InvalidArgumentException('This input is not registered.');
221			}
222
223			unset($this->customControlMappings[$input]);
224			}
225
226			/**
227			* Display menu and capture input
228			*/
229			private function display() : void
230			{
231			$this->draw();
232
233			$reader = new NonCanonicalReader($this->terminal);
234			$reader->addControlMappings($this->defaultControlMappings);
235
236			while ($this->isOpen() && $char = $reader->readCharacter()) {
237			if (!$char->isHandledControl()) {
238			$rawChar = $char->get();
239			if (isset($this->customControlMappings[$rawChar])) {
240			$this->customControlMappings[$rawChar]($this);
241			}
242			continue;
243			}
244
245			switch ($char->getControl()) {
246			case InputCharacter::UP:
247			case InputCharacter::DOWN:
248			$this->moveSelection($char->getControl());
249			$this->draw();
250			break;
251			case InputCharacter::ENTER:
252			$this->executeCurrentItem();
253			break;
254			}
255			}
256			}
257
258			/**
259			* Move the selection in a given direction, up / down
260			*/
261			protected function moveSelection(string $direction) : void
262			{
263			do {
264			$itemKeys = array_keys($this->items);
265
266			$direction === 'UP'
267			? $this->selectedItem--
268			: $this->selectedItem++;
269
270			if (!array_key_exists($this->selectedItem, $this->items)) {
271			$this->selectedItem = $direction === 'UP'
			0 ignored issues – show Documentation Bug introduced 2018-04-23 17:47 UTC by Report Bug Copy Issue Report It seems like `$direction === 'UP' ? en...eys) : reset($itemKeys)` can also be of type `false`. However, the property `$selectedItem` is declared as type `integer`. Maybe add an additional type check? Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly. For example, imagine you have a variable `$accountId` that can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to the `id` property of an instance of the `Account` class. This class holds a proper account, so the id value must no longer be false. Either this assignment is in error or a type check should be added for that assignment. class Id { public $id; public function __construct($id) { $this->id = $id; } } class Account { /** @var Id $id */ public $id; } $account_id = false; if (starsAreRight()) { $account_id = new Id(42); } $account = new Account(); if ($account instanceof Id) { $account->id = $account_id; } Loading history...
272			? end($itemKeys)
273			: reset($itemKeys);
274			} elseif ($this->getSelectedItem()->canSelect()) {
275			return;
276			}
277			} while (!$this->getSelectedItem()->canSelect());
278			}
279
280			public function getSelectedItem() : MenuItemInterface
281			{
282			return $this->items[$this->selectedItem];
283			}
284
285			/**
286			* Execute the current item
287			*/
288			protected function executeCurrentItem() : void
289			{
290			$item = $this->getSelectedItem();
291
292			if ($item->canSelect()) {
293			$callable = $item->getSelectAction();
294			$callable($this);
295			}
296			}
297
298			/**
299			* Redraw the menu
300			*/
301			public function redraw() : void
302			{
303			$this->assertOpen();
304			$this->draw();
305			}
306
307			private function assertOpen() : void
308			{
309			if (!$this->isOpen()) {
310			throw new MenuNotOpenException;
311			}
312			}
313
314			/**
315			* Draw the menu to STDOUT
316			*/
317			protected function draw() : void
318			{
319			$this->terminal->clean();
320			$this->terminal->moveCursorToTop();
321
322			$frame = new Frame;
323
324			$frame->newLine(2);
325
326			if ($this->title) {
327			$frame->addRows($this->drawMenuItem(new LineBreakItem()));
328			$frame->addRows($this->drawMenuItem(new StaticItem($this->title)));
329			$frame->addRows($this->drawMenuItem(new LineBreakItem($this->style->getTitleSeparator())));
330			}
331
332			array_map(function ($item, $index) use ($frame) {
333			$frame->addRows($this->drawMenuItem($item, $index === $this->selectedItem));
334			}, $this->items, array_keys($this->items));
335
336			$frame->addRows($this->drawMenuItem(new LineBreakItem()));
337
338			$frame->newLine(2);
339
340			foreach ($frame->getRows() as $row) {
341			$this->terminal->write($row);
342			}
343
344			$this->currentFrame = $frame;
345			}
346
347			/**
348			* Draw a menu item
349			*/
350			protected function drawMenuItem(MenuItemInterface $item, bool $selected = false) : array
351			{
352			$rows = $item->getRows($this->style, $selected);
353
354			$setColour = $selected
355			? $this->style->getSelectedSetCode()
356			: $this->style->getUnselectedSetCode();
357
358			$unsetColour = $selected
359			? $this->style->getSelectedUnsetCode()
360			: $this->style->getUnselectedUnsetCode();
361
362			return array_map(function ($row) use ($setColour, $unsetColour) {
363			return sprintf(
364			"%s%s%s%s%s%s%s\n",
365			str_repeat(' ', $this->style->getMargin()),
366			$setColour,
367			str_repeat(' ', $this->style->getPadding()),
368			$row,
369			str_repeat(' ', $this->style->getRightHandPadding(mb_strlen(s::stripAnsiEscapeSequence($row)))),
370			$unsetColour,
371			str_repeat(' ', $this->style->getMargin())
372			);
373			}, $rows);
374			}
375
376			/**
377			* @throws InvalidTerminalException
378			*/
379			public function open() : void
380			{
381			if ($this->isOpen()) {
382			return;
383			}
384
385			$this->configureTerminal();
386			$this->open = true;
387			$this->display();
388			}
389
390			/**
391			* Close the menu
392			*
393			* @throws InvalidTerminalException
394			*/
395			public function close() : void
396			{
397			$menu = $this;
398
399			do {
400			$menu->closeThis();
401			$menu = $menu->getParent();
402			} while (null !== $menu);
403
404			$this->tearDownTerminal();
405			}
406
407			public function closeThis() : void
408			{
409			$this->terminal->clean();
410			$this->terminal->moveCursorToTop();
411			$this->open = false;
412			}
413
414			/**
415			* @return MenuItemInterface[]
416			*/
417			public function getItems() : array
418			{
419			return $this->items;
420			}
421
422			public function removeItem(MenuItemInterface $item) : void
423			{
424			$key = array_search($item, $this->items, true);
425
426			if (false === $key) {
427			throw new \InvalidArgumentException('Item does not exist in menu');
428			}
429
430			unset($this->items[$key]);
431			$this->items = array_values($this->items);
432			}
433
434			public function getStyle() : MenuStyle
435			{
436			return $this->style;
437			}
438
439			public function getCurrentFrame() : Frame
440			{
441			return $this->currentFrame;
442			}
443
444			public function flash(string $text) : Flash
445			{
446			$this->guardSingleLine($text);
447
448			$style = (new MenuStyle($this->terminal))
449			->setBg('yellow')
450			->setFg('red');
451
452			return new Flash($this, $style, $this->terminal, $text);
453			}
454
455			public function confirm($text) : Confirm
456			{
457			$this->guardSingleLine($text);
458
459			$style = (new MenuStyle($this->terminal))
460			->setBg('yellow')
461			->setFg('red');
462
463			return new Confirm($this, $style, $this->terminal, $text);
464			}
465
466			public function askNumber() : Number
467			{
468			$this->assertOpen();
469
470			$style = (new MenuStyle($this->terminal))
471			->setBg('yellow')
472			->setFg('red');
473
474			return new Number(new InputIO($this, $this->terminal), $style);
475			}
476
477			public function askText() : Text
478			{
479			$this->assertOpen();
480
481			$style = (new MenuStyle($this->terminal))
482			->setBg('yellow')
483			->setFg('red');
484
485			return new Text(new InputIO($this, $this->terminal), $style);
486			}
487
488			public function askPassword() : Password
489			{
490			$this->assertOpen();
491
492			$style = (new MenuStyle($this->terminal))
493			->setBg('yellow')
494			->setFg('red');
495
496			return new Password(new InputIO($this, $this->terminal), $style);
497			}
498
499			private function guardSingleLine($text)
500			{
501			if (strpos($text, "\n") !== false) {
502			throw new \InvalidArgumentException;
503			}
504			}
505			}
506

php-school / cli-menu

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CliMenu::removeCustomControlMapping() A

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