MenuStyle::generatePaddingTopBottomRows() - Code Metrics - Inspection of "Merge pull request #220 from php-school/width" - php-school/cli-menu - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 1316f3...b7872d )

by Aydin

created 2019-12-24 18:36 UTC

MenuStyle::generatePaddingTopBottomRows() B

↳ Parent: MenuStyle

Complexity

Conditions	6
Paths	4

Size

Total Lines	32
Code Lines	21

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
cc	6
eloc	21
c	3
b	0
f	0
nc	4
nop	0
dl	0
loc	32
rs	8.9617

<?php

namespace PhpSchool\CliMenu;

use PhpSchool\CliMenu\Terminal\TerminalFactory;
use PhpSchool\CliMenu\Util\ColourUtil;
use PhpSchool\CliMenu\Util\StringUtil as s;
use PhpSchool\Terminal\Terminal;
use Assert\Assertion;

//TODO: B/W fallback

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

    /**
     * @var string
     */
    protected $fg;

    /**
     * @var string
     */
    protected $bg;

    /**
     * The width of the menu. Including borders and padding.
     * Does not include margin.
     *
     * May not be the value that was requested in the
     * circumstance that the terminal is smaller then the
     * requested width.
     *
     * @var int
     */
    protected $width;

    /**
     * In case the requested width is wider than the terminal
     * then we shrink the width to fit the terminal. We keep
     * the requested size in case the margins are changed and
     * we need to recalculate the width.
     *
     * @var int
     */
    private $requestedWidth;

    /**
     * @var int
     */
    protected $margin = 0;

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

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

    /**
     * @var array
     */
    private $paddingTopBottomRows = [];

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

    /**
     * @var string
     */
    private $itemExtra;

    /**
     * @var bool
     */
    private $displaysExtra;

    /**
     * @var string
     */
    private $titleSeparator;

    /**
     * @var string
     */
    private $coloursSetCode;

    /**
     * @var string
     */
    private $invertedColoursSetCode = "\033[7m";

    /**
     * @var string
     */
    private $invertedColoursUnsetCode = "\033[27m";

    /**
     * @var string
     */
    private $coloursResetCode = "\033[0m";

    /**
     * @var int
     */
    private $borderTopWidth;

    /**
     * @var int
     */
    private $borderRightWidth;

    /**
     * @var int
     */
    private $borderBottomWidth;

    /**
     * @var int
     */
    private $borderLeftWidth;

    /**
     * @var string
     */
    private $borderColour = 'white';

    /**
     * @var array
     */
    private $borderTopRows = [];

    /**
     * @var array
     */
    private $borderBottomRows = [];

    /**
     * @var bool
     */
    private $marginAuto = false;

    /**
     * @var bool
     */
    private $debugMode = false;

    /**
     * Default Values
     *
     * @var array
     */
    private static $defaultStyleValues = [
        'fg' => 'white',
        'bg' => 'blue',
        'width' => 100,
        'paddingTopBottom' => 1,
        'paddingLeftRight' => 2,
        'margin' => 2,
        'itemExtra' => '✔',
        'displaysExtra' => false,
        'titleSeparator' => '=',
        'borderTopWidth' => 0,
        'borderRightWidth' => 0,
        'borderBottomWidth' => 0,
        'borderLeftWidth' => 0,
        'borderColour' => 'white',
        'marginAuto' => false,
    ];

    /**
     * @var array
     */
    private static $availableForegroundColors = [
        'black'   => 30,
        'red'     => 31,
        'green'   => 32,
        'yellow'  => 33,
        'blue'    => 34,
        'magenta' => 35,
        'cyan'    => 36,
        'white'   => 37,
        'default' => 39,
    ];

    /**
     * @var array
     */
    private static $availableBackgroundColors = [
        'black'   => 40,
        'red'     => 41,
        'green'   => 42,
        'yellow'  => 43,
        'blue'    => 44,
        'magenta' => 45,
        'cyan'    => 46,
        'white'   => 47,
        'default' => 49,
    ];

    /**
     * @var array
     */
    private static $availableOptions = [
        'bold'       => ['set' => 1, 'unset' => 22],
        'dim'        => ['set' => 2, 'unset' => 22],
        'underscore' => ['set' => 4, 'unset' => 24],
        'blink'      => ['set' => 5, 'unset' => 25],
        'reverse'    => ['set' => 7, 'unset' => 27],
        'conceal'    => ['set' => 8, 'unset' => 28]
    ];

    /**
     * Initialise style
     */
    public function __construct(Terminal $terminal = null)
    {
        $this->terminal = $terminal ?: TerminalFactory::fromSystem();

        $this->fg = self::$defaultStyleValues['fg'];
        $this->bg = self::$defaultStyleValues['bg'];

        $this->generateColoursSetCode();

        $this->setWidth(self::$defaultStyleValues['width']);
        $this->setPaddingTopBottom(self::$defaultStyleValues['paddingTopBottom']);
        $this->setPaddingLeftRight(self::$defaultStyleValues['paddingLeftRight']);
        $this->setMargin(self::$defaultStyleValues['margin']);
        $this->setItemExtra(self::$defaultStyleValues['itemExtra']);
        $this->setDisplaysExtra(self::$defaultStyleValues['displaysExtra']);
        $this->setTitleSeparator(self::$defaultStyleValues['titleSeparator']);
        $this->setBorderTopWidth(self::$defaultStyleValues['borderTopWidth']);
        $this->setBorderRightWidth(self::$defaultStyleValues['borderRightWidth']);
        $this->setBorderBottomWidth(self::$defaultStyleValues['borderBottomWidth']);
        $this->setBorderLeftWidth(self::$defaultStyleValues['borderLeftWidth']);
        $this->setBorderColour(self::$defaultStyleValues['borderColour']);
    }

    public function hasChangedFromDefaults() : bool
    {
        $currentValues = [
            $this->fg,
            $this->bg,
            $this->width,
            $this->paddingTopBottom,
            $this->paddingLeftRight,
            $this->margin,
            $this->itemExtra,
            $this->displaysExtra,
            $this->titleSeparator,
            $this->borderTopWidth,
            $this->borderRightWidth,
            $this->borderBottomWidth,
            $this->borderLeftWidth,
            $this->borderColour,
            $this->marginAuto,
        ];

        $defaultStyleValues = self::$defaultStyleValues;
        if ($this->width !== $this->requestedWidth) {
            $defaultStyleValues['width'] = $this->width;
        }

        return $currentValues !== array_values($defaultStyleValues);
    }

    public function getDisabledItemText(string $text) : string
    {
        return sprintf(
            "\033[%sm%s\033[%sm",
            self::$availableOptions['dim']['set'],
            $text,
            self::$availableOptions['dim']['unset']
        );
    }

    /**
     * Generates the ansi escape sequence to set the colours
     */
    private function generateColoursSetCode() : void
    {
        if (!ctype_digit($this->fg)) {
            $fgCode = self::$availableForegroundColors[$this->fg];
        } else {
            $fgCode = sprintf("38;5;%s", $this->fg);
        }

        if (!ctype_digit($this->bg)) {
            $bgCode = self::$availableBackgroundColors[$this->bg];
        } else {
            $bgCode = sprintf("48;5;%s", $this->bg);
        }

        $this->coloursSetCode = sprintf("\033[%s;%sm", $fgCode, $bgCode);
    }

    /**
     * Get the colour code for Bg and Fg
     */
    public function getColoursSetCode() : string
    {
        return $this->coloursSetCode;
    }

    /**
     * Get the inverted escape sequence (used for selected elements)
     */
    public function getInvertedColoursSetCode() : string
    {
        return $this->invertedColoursSetCode;
    }

    /**
     * Get the inverted escape sequence (used for selected elements)
     */
    public function getInvertedColoursUnsetCode() : string
    {
        return $this->invertedColoursUnsetCode;
    }

    /**
     * Get the escape sequence used to reset colours to default
     */
    public function getColoursResetCode() : string
    {
        return $this->coloursResetCode;
    }

    /**
     * Calculate the contents width
     *
     * The content width is menu width minus borders and padding.
     */
    protected function calculateContentWidth() : void
    {
        $this->contentWidth = $this->width
            - ($this->paddingLeftRight * 2)
            - ($this->borderRightWidth + $this->borderLeftWidth);

        if ($this->contentWidth < 0) {
            $this->contentWidth = 0;
        }
    }

    public function getFg()
    {
        return $this->fg;
    }

    public function setFg(string $fg, string $fallback = null) : self
    {
        $this->fg = ColourUtil::validateColour(
            $this->terminal,
            $fg,
            $fallback
        );
        $this->generateColoursSetCode();

        return $this;
    }

    public function getBg()
    {
        return $this->bg;
    }

    public function setBg(string $bg, string $fallback = null) : self
    {
        $this->bg = ColourUtil::validateColour(
            $this->terminal,
            $bg,
            $fallback
        );

        $this->generateColoursSetCode();
        $this->generatePaddingTopBottomRows();

        return $this;
    }

    public function getWidth() : int
    {
        return $this->width;
    }

    public function setWidth(int $width) : self
    {
        Assertion::greaterOrEqualThan($width, 0);

        $this->requestedWidth = $width;
        $width = $this->maybeShrinkWidth($this->margin, $width);

        $this->width = $width;
        if ($this->marginAuto) {
            $this->calculateMarginAuto($width);
        }

        $this->calculateContentWidth();
        $this->generateBorderRows();
        $this->generatePaddingTopBottomRows();

        return $this;
    }

    private function maybeShrinkWidth(int $margin, int $width) : int
    {
        if ($width + $margin >= $this->terminal->getWidth()) {
            $width = $this->terminal->getWidth() - $margin;
        }

        return $width;
    }

    public function getPaddingTopBottom() : int
    {
        return $this->paddingTopBottom;
    }

    public function getPaddingLeftRight() : int
    {
        return $this->paddingLeftRight;
    }

    private function generatePaddingTopBottomRows() : void
    {
        if ($this->borderLeftWidth || $this->borderRightWidth) {
            $borderColour = $this->getBorderColourCode();
        } else {
            $borderColour = '';
        }

        $paddingRow = sprintf(
            "%s%s%s%s%s%s%s%s%s%s\n",
            $this->debugMode ? $this->getDebugString($this->margin) : str_repeat(' ', $this->margin),
            $borderColour,
            str_repeat(' ', $this->borderLeftWidth),
            $this->getColoursSetCode(),
            str_repeat(' ', $this->paddingLeftRight),
            str_repeat(' ', $this->contentWidth),
            str_repeat(' ', $this->paddingLeftRight),
            $borderColour,
            str_repeat(' ', $this->borderRightWidth),
            $this->coloursResetCode
        );


        if ($this->debugMode && s::length($paddingRow) <= $this->terminal->getWidth()) {
            $paddingRow = substr_replace(
                $paddingRow,
                sprintf("%s\n", $this->getDebugString($this->terminal->getWidth() - (s::length($paddingRow) - 1))),
                -1
            );
        }

        $this->paddingTopBottomRows = array_fill(0, $this->paddingTopBottom, $paddingRow);
    }

    public function getPaddingTopBottomRows() : array
    {
        return $this->paddingTopBottomRows;
    }

    public function setPadding(int $topBottom, int $leftRight = null) : self
    {
        if ($leftRight === null) {
            $leftRight = $topBottom;
        }

        $this->setPaddingTopBottom($topBottom);
        $this->setPaddingLeftRight($leftRight);

        $this->calculateContentWidth();
        $this->generatePaddingTopBottomRows();

        return $this;
    }

    public function setPaddingTopBottom(int $topBottom) : self
    {
        Assertion::greaterOrEqualThan($topBottom, 0);
        $this->paddingTopBottom = $topBottom;

        $this->generatePaddingTopBottomRows();

        return $this;
    }

    public function setPaddingLeftRight(int $leftRight) : self
    {
        Assertion::greaterOrEqualThan($leftRight, 0);
        $this->paddingLeftRight = $leftRight;

        $this->calculateContentWidth();
        $this->generatePaddingTopBottomRows();

        return $this;
    }

    public function getMargin() : int
    {
        return $this->margin;
    }

    public function setMarginAuto() : self
    {
        $this->marginAuto = true;
        $this->margin = 0;

        $this->setWidth($this->requestedWidth);

        return $this;
    }

    private function calculateMarginAuto(int $width) : void
    {
        $this->margin = (int) floor(($this->terminal->getWidth() - ($width)) / 2);
    }

    public function setMargin(int $margin) : self
    {
        Assertion::greaterOrEqualThan($margin, 0);

        $this->marginAuto = false;
        $this->margin = $margin;

        //margin + width may now exceed terminal size
        //so set width again to trigger width check + maybe resize
        $this->setWidth($this->requestedWidth);

        return $this;
    }

    public function getContentWidth() : int
    {
        return $this->contentWidth;
    }

    /**
     * Get padding for right had side of content
     */
    public function getRightHandPadding(int $contentLength) : int
    {
        $rightPadding = $this->getContentWidth() - $contentLength + $this->getPaddingLeftRight();

        if ($rightPadding < 0) {
            $rightPadding = 0;
        }

        return $rightPadding;
    }

    public function setItemExtra(string $itemExtra) : self
    {
        $this->itemExtra = $itemExtra;

        return $this;
    }

    public function getItemExtra() : string
    {
        return $this->itemExtra;
    }

    public function getDisplaysExtra() : bool
    {
        return $this->displaysExtra;
    }

    public function setDisplaysExtra(bool $displaysExtra) : self
    {
        $this->displaysExtra = $displaysExtra;

        return $this;
    }

    public function getTitleSeparator() : string
    {
        return $this->titleSeparator;
    }

    public function setTitleSeparator(string $actionSeparator) : self
    {
        $this->titleSeparator = $actionSeparator;

        return $this;
    }

    private function generateBorderRows() : void
    {
        $borderRow = sprintf(
            "%s%s%s%s\n",
            $this->debugMode ? $this->getDebugString($this->margin) : str_repeat(' ', $this->margin),
            $this->getBorderColourCode(),
            str_repeat(' ', $this->width),
            $this->getColoursResetCode()
        );

        if ($this->debugMode && s::length($borderRow) <= $this->terminal->getWidth()) {
            $borderRow = substr_replace(
                $borderRow,
                sprintf("%s\n", $this->getDebugString($this->terminal->getWidth() - (s::length($borderRow) - 1))),
                -1
            );
        }

        $this->borderTopRows = array_fill(0, $this->borderTopWidth, $borderRow);
        $this->borderBottomRows = array_fill(0, $this->borderBottomWidth, $borderRow);
    }

    public function getBorderTopRows() : array
    {
        return $this->borderTopRows;
    }

    public function getBorderBottomRows() : array
    {
        return $this->borderBottomRows;
    }

    /**
     * Shorthand function to set all borders values at once
     */
    public function setBorder(
        int $topWidth,
        $rightWidth = null,
        $bottomWidth = null,
        $leftWidth = null,
        string $colour = null
    ) : self {
        if (!is_int($rightWidth)) {
            $colour = $rightWidth;
            $rightWidth = $bottomWidth = $leftWidth = $topWidth;
        } elseif (!is_int($bottomWidth)) {
            $colour = $bottomWidth;
            $bottomWidth = $topWidth;
            $leftWidth = $rightWidth;
        } elseif (!is_int($leftWidth)) {
            $colour = $leftWidth;
            $leftWidth = $rightWidth;
        }

        $this->borderTopWidth = $topWidth;
        $this->borderRightWidth = $rightWidth;
        $this->borderBottomWidth = $bottomWidth;
        $this->borderLeftWidth = $leftWidth;

        if (is_string($colour)) {
            $this->setBorderColour($colour);
        } elseif ($colour !== null) {
            throw new \InvalidArgumentException('Invalid colour');
        }

        $this->calculateContentWidth();
        $this->generateBorderRows();
        $this->generatePaddingTopBottomRows();

        return $this;
    }

    public function setBorderTopWidth(int $width) : self
    {
        $this->borderTopWidth = $width;

        $this->generateBorderRows();

        return $this;
    }

    public function setBorderRightWidth(int $width) : self
    {
        $this->borderRightWidth = $width;
        $this->calculateContentWidth();

        $this->generatePaddingTopBottomRows();

        return $this;
    }

    public function setBorderBottomWidth(int $width) : self
    {
        $this->borderBottomWidth = $width;

        $this->generateBorderRows();

        return $this;
    }

    public function setBorderLeftWidth(int $width) : self
    {
        $this->borderLeftWidth = $width;
        $this->calculateContentWidth();

        $this->generatePaddingTopBottomRows();

        return $this;
    }

    public function setBorderColour(string $colour, $fallback = null) : self
    {
        $this->borderColour = ColourUtil::validateColour(
            $this->terminal,
            $colour,
            $fallback
        );

        $this->generateBorderRows();
        $this->generatePaddingTopBottomRows();

        return $this;
    }

    public function getBorderTopWidth() : int
    {
        return $this->borderTopWidth;
    }

    public function getBorderRightWidth() : int
    {
        return $this->borderRightWidth;
    }

    public function getBorderBottomWidth() : int
    {
        return $this->borderBottomWidth;
    }

    public function getBorderLeftWidth() : int
    {
        return $this->borderLeftWidth;
    }

    public function getBorderColour() : string
    {
        return $this->borderColour;
    }

    public function getBorderColourCode() : string
    {
        if (!ctype_digit($this->borderColour)) {
            $borderColourCode = self::$availableBackgroundColors[$this->borderColour];
        } else {
            $borderColourCode = sprintf("48;5;%s", $this->borderColour);
        }

        return sprintf("\033[%sm", $borderColourCode);
    }

    /**
     * Get a string of given length consisting of 0-9
     * eg $length = 15 : 012345678901234
     */
    private function getDebugString(int $length) : string
    {
        $nums = [];
        for ($i = 0, $j = 0; $i < $length; $i++, $j++) {
            if ($j === 10) {
                $j = 0;
            }

            $nums[] = $j;
        }

        return implode('', $nums);
    }
}


1			<?php
2
3			namespace PhpSchool\CliMenu;
4
5			use PhpSchool\CliMenu\Terminal\TerminalFactory;
6			use PhpSchool\CliMenu\Util\ColourUtil;
7			use PhpSchool\CliMenu\Util\StringUtil as s;
8			use PhpSchool\Terminal\Terminal;
9			use Assert\Assertion;
10
11			//TODO: B/W fallback
12
13			/**
14			* @author Michael Woodward <[email protected]>
15			*/
16			class MenuStyle
17			{
18			/**
19			* @var Terminal
20			*/
21			protected $terminal;
22
23			/**
24			* @var string
25			*/
26			protected $fg;
27
28			/**
29			* @var string
30			*/
31			protected $bg;
32
33			/**
34			* The width of the menu. Including borders and padding.
35			* Does not include margin.
36			*
37			* May not be the value that was requested in the
38			* circumstance that the terminal is smaller then the
39			* requested width.
40			*
41			* @var int
42			*/
43			protected $width;
44
45			/**
46			* In case the requested width is wider than the terminal
47			* then we shrink the width to fit the terminal. We keep
48			* the requested size in case the margins are changed and
49			* we need to recalculate the width.
50			*
51			* @var int
52			*/
53			private $requestedWidth;
54
55			/**
56			* @var int
57			*/
58			protected $margin = 0;
59
60			/**
61			* @var int
62			*/
63			protected $paddingTopBottom;
64
65			/**
66			* @var int
67			*/
68			protected $paddingLeftRight;
69
70			/**
71			* @var array
72			*/
73			private $paddingTopBottomRows = [];
74
75			/**
76			* @var int
77			*/
78			protected $contentWidth;
79
80			/**
81			* @var string
82			*/
83			private $itemExtra;
84
85			/**
86			* @var bool
87			*/
88			private $displaysExtra;
89
90			/**
91			* @var string
92			*/
93			private $titleSeparator;
94
95			/**
96			* @var string
97			*/
98			private $coloursSetCode;
99
100			/**
101			* @var string
102			*/
103			private $invertedColoursSetCode = "\033[7m";
104
105			/**
106			* @var string
107			*/
108			private $invertedColoursUnsetCode = "\033[27m";
109
110			/**
111			* @var string
112			*/
113			private $coloursResetCode = "\033[0m";
114
115			/**
116			* @var int
117			*/
118			private $borderTopWidth;
119
120			/**
121			* @var int
122			*/
123			private $borderRightWidth;
124
125			/**
126			* @var int
127			*/
128			private $borderBottomWidth;
129
130			/**
131			* @var int
132			*/
133			private $borderLeftWidth;
134
135			/**
136			* @var string
137			*/
138			private $borderColour = 'white';
139
140			/**
141			* @var array
142			*/
143			private $borderTopRows = [];
144
145			/**
146			* @var array
147			*/
148			private $borderBottomRows = [];
149
150			/**
151			* @var bool
152			*/
153			private $marginAuto = false;
154
155			/**
156			* @var bool
157			*/
158			private $debugMode = false;
159
160			/**
161			* Default Values
162			*
163			* @var array
164			*/
165			private static $defaultStyleValues = [
166			'fg' => 'white',
167			'bg' => 'blue',
168			'width' => 100,
169			'paddingTopBottom' => 1,
170			'paddingLeftRight' => 2,
171			'margin' => 2,
172			'itemExtra' => '✔',
173			'displaysExtra' => false,
174			'titleSeparator' => '=',
175			'borderTopWidth' => 0,
176			'borderRightWidth' => 0,
177			'borderBottomWidth' => 0,
178			'borderLeftWidth' => 0,
179			'borderColour' => 'white',
180			'marginAuto' => false,
181			];
182
183			/**
184			* @var array
185			*/
186			private static $availableForegroundColors = [
187			'black' => 30,
188			'red' => 31,
189			'green' => 32,
190			'yellow' => 33,
191			'blue' => 34,
192			'magenta' => 35,
193			'cyan' => 36,
194			'white' => 37,
195			'default' => 39,
196			];
197
198			/**
199			* @var array
200			*/
201			private static $availableBackgroundColors = [
202			'black' => 40,
203			'red' => 41,
204			'green' => 42,
205			'yellow' => 43,
206			'blue' => 44,
207			'magenta' => 45,
208			'cyan' => 46,
209			'white' => 47,
210			'default' => 49,
211			];
212
213			/**
214			* @var array
215			*/
216			private static $availableOptions = [
217			'bold' => ['set' => 1, 'unset' => 22],
218			'dim' => ['set' => 2, 'unset' => 22],
219			'underscore' => ['set' => 4, 'unset' => 24],
220			'blink' => ['set' => 5, 'unset' => 25],
221			'reverse' => ['set' => 7, 'unset' => 27],
222			'conceal' => ['set' => 8, 'unset' => 28]
223			];
224
225			/**
226			* Initialise style
227			*/
228			public function __construct(Terminal $terminal = null)
229			{
230			$this->terminal = $terminal ?: TerminalFactory::fromSystem();
231
232			$this->fg = self::$defaultStyleValues['fg'];
233			$this->bg = self::$defaultStyleValues['bg'];
234
235			$this->generateColoursSetCode();
236
237			$this->setWidth(self::$defaultStyleValues['width']);
238			$this->setPaddingTopBottom(self::$defaultStyleValues['paddingTopBottom']);
239			$this->setPaddingLeftRight(self::$defaultStyleValues['paddingLeftRight']);
240			$this->setMargin(self::$defaultStyleValues['margin']);
241			$this->setItemExtra(self::$defaultStyleValues['itemExtra']);
242			$this->setDisplaysExtra(self::$defaultStyleValues['displaysExtra']);
243			$this->setTitleSeparator(self::$defaultStyleValues['titleSeparator']);
244			$this->setBorderTopWidth(self::$defaultStyleValues['borderTopWidth']);
245			$this->setBorderRightWidth(self::$defaultStyleValues['borderRightWidth']);
246			$this->setBorderBottomWidth(self::$defaultStyleValues['borderBottomWidth']);
247			$this->setBorderLeftWidth(self::$defaultStyleValues['borderLeftWidth']);
248			$this->setBorderColour(self::$defaultStyleValues['borderColour']);
249			}
250
251			public function hasChangedFromDefaults() : bool
252			{
253			$currentValues = [
254			$this->fg,
255			$this->bg,
256			$this->width,
257			$this->paddingTopBottom,
258			$this->paddingLeftRight,
259			$this->margin,
260			$this->itemExtra,
261			$this->displaysExtra,
262			$this->titleSeparator,
263			$this->borderTopWidth,
264			$this->borderRightWidth,
265			$this->borderBottomWidth,
266			$this->borderLeftWidth,
267			$this->borderColour,
268			$this->marginAuto,
269			];
270
271			$defaultStyleValues = self::$defaultStyleValues;
272			if ($this->width !== $this->requestedWidth) {
273			$defaultStyleValues['width'] = $this->width;
274			}
275
276			return $currentValues !== array_values($defaultStyleValues);
277			}
278
279			public function getDisabledItemText(string $text) : string
280			{
281			return sprintf(
282			"\033[%sm%s\033[%sm",
283			self::$availableOptions['dim']['set'],
284			$text,
285			self::$availableOptions['dim']['unset']
286			);
287			}
288
289			/**
290			* Generates the ansi escape sequence to set the colours
291			*/
292			private function generateColoursSetCode() : void
293			{
294			if (!ctype_digit($this->fg)) {
295			$fgCode = self::$availableForegroundColors[$this->fg];
296			} else {
297			$fgCode = sprintf("38;5;%s", $this->fg);
298			}
299
300			if (!ctype_digit($this->bg)) {
301			$bgCode = self::$availableBackgroundColors[$this->bg];
302			} else {
303			$bgCode = sprintf("48;5;%s", $this->bg);
304			}
305
306			$this->coloursSetCode = sprintf("\033[%s;%sm", $fgCode, $bgCode);
307			}
308
309			/**
310			* Get the colour code for Bg and Fg
311			*/
312			public function getColoursSetCode() : string
313			{
314			return $this->coloursSetCode;
315			}
316
317			/**
318			* Get the inverted escape sequence (used for selected elements)
319			*/
320			public function getInvertedColoursSetCode() : string
321			{
322			return $this->invertedColoursSetCode;
323			}
324
325			/**
326			* Get the inverted escape sequence (used for selected elements)
327			*/
328			public function getInvertedColoursUnsetCode() : string
329			{
330			return $this->invertedColoursUnsetCode;
331			}
332
333			/**
334			* Get the escape sequence used to reset colours to default
335			*/
336			public function getColoursResetCode() : string
337			{
338			return $this->coloursResetCode;
339			}
340
341			/**
342			* Calculate the contents width
343			*
344			* The content width is menu width minus borders and padding.
345			*/
346			protected function calculateContentWidth() : void
347			{
348			$this->contentWidth = $this->width
349			- ($this->paddingLeftRight * 2)
350			- ($this->borderRightWidth + $this->borderLeftWidth);
351
352			if ($this->contentWidth < 0) {
353			$this->contentWidth = 0;
354			}
355			}
356
357			public function getFg()
358			{
359			return $this->fg;
360			}
361
362			public function setFg(string $fg, string $fallback = null) : self
363			{
364			$this->fg = ColourUtil::validateColour(
365			$this->terminal,
366			$fg,
367			$fallback
368			);
369			$this->generateColoursSetCode();
370
371			return $this;
372			}
373
374			public function getBg()
375			{
376			return $this->bg;
377			}
378
379			public function setBg(string $bg, string $fallback = null) : self
380			{
381			$this->bg = ColourUtil::validateColour(
382			$this->terminal,
383			$bg,
384			$fallback
385			);
386
387			$this->generateColoursSetCode();
388			$this->generatePaddingTopBottomRows();
389
390			return $this;
391			}
392
393			public function getWidth() : int
394			{
395			return $this->width;
396			}
397
398			public function setWidth(int $width) : self
399			{
400			Assertion::greaterOrEqualThan($width, 0);
401
402			$this->requestedWidth = $width;
403			$width = $this->maybeShrinkWidth($this->margin, $width);
404
405			$this->width = $width;
406			if ($this->marginAuto) {
407			$this->calculateMarginAuto($width);
408			}
409
410			$this->calculateContentWidth();
411			$this->generateBorderRows();
412			$this->generatePaddingTopBottomRows();
413
414			return $this;
415			}
416
417			private function maybeShrinkWidth(int $margin, int $width) : int
418			{
419			if ($width + $margin >= $this->terminal->getWidth()) {
420			$width = $this->terminal->getWidth() - $margin;
421			}
422
423			return $width;
424			}
425
426			public function getPaddingTopBottom() : int
427			{
428			return $this->paddingTopBottom;
429			}
430
431			public function getPaddingLeftRight() : int
432			{
433			return $this->paddingLeftRight;
434			}
435
436			private function generatePaddingTopBottomRows() : void
437			{
438			if ($this->borderLeftWidth \|\| $this->borderRightWidth) {
439			$borderColour = $this->getBorderColourCode();
440			} else {
441			$borderColour = '';
442			}
443
444			$paddingRow = sprintf(
445			"%s%s%s%s%s%s%s%s%s%s\n",
446			$this->debugMode ? $this->getDebugString($this->margin) : str_repeat(' ', $this->margin),
447			$borderColour,
448			str_repeat(' ', $this->borderLeftWidth),
449			$this->getColoursSetCode(),
450			str_repeat(' ', $this->paddingLeftRight),
451			str_repeat(' ', $this->contentWidth),
452			str_repeat(' ', $this->paddingLeftRight),
453			$borderColour,
454			str_repeat(' ', $this->borderRightWidth),
455			$this->coloursResetCode
456			);
457
458
459			if ($this->debugMode && s::length($paddingRow) <= $this->terminal->getWidth()) {
460			$paddingRow = substr_replace(
461			$paddingRow,
462			sprintf("%s\n", $this->getDebugString($this->terminal->getWidth() - (s::length($paddingRow) - 1))),
463			-1
464			);
465			}
466
467			$this->paddingTopBottomRows = array_fill(0, $this->paddingTopBottom, $paddingRow);
468			}
469
470			public function getPaddingTopBottomRows() : array
471			{
472			return $this->paddingTopBottomRows;
473			}
474
475			public function setPadding(int $topBottom, int $leftRight = null) : self
476			{
477			if ($leftRight === null) {
478			$leftRight = $topBottom;
479			}
480
481			$this->setPaddingTopBottom($topBottom);
482			$this->setPaddingLeftRight($leftRight);
483
484			$this->calculateContentWidth();
485			$this->generatePaddingTopBottomRows();
486
487			return $this;
488			}
489
490			public function setPaddingTopBottom(int $topBottom) : self
491			{
492			Assertion::greaterOrEqualThan($topBottom, 0);
493			$this->paddingTopBottom = $topBottom;
494
495			$this->generatePaddingTopBottomRows();
496
497			return $this;
498			}
499
500			public function setPaddingLeftRight(int $leftRight) : self
501			{
502			Assertion::greaterOrEqualThan($leftRight, 0);
503			$this->paddingLeftRight = $leftRight;
504
505			$this->calculateContentWidth();
506			$this->generatePaddingTopBottomRows();
507
508			return $this;
509			}
510
511			public function getMargin() : int
512			{
513			return $this->margin;
514			}
515
516			public function setMarginAuto() : self
517			{
518			$this->marginAuto = true;
519			$this->margin = 0;
520
521			$this->setWidth($this->requestedWidth);
522
523			return $this;
524			}
525
526			private function calculateMarginAuto(int $width) : void
527			{
528			$this->margin = (int) floor(($this->terminal->getWidth() - ($width)) / 2);
529			}
530
531			public function setMargin(int $margin) : self
532			{
533			Assertion::greaterOrEqualThan($margin, 0);
534
535			$this->marginAuto = false;
536			$this->margin = $margin;
537
538			//margin + width may now exceed terminal size
539			//so set width again to trigger width check + maybe resize
540			$this->setWidth($this->requestedWidth);
541
542			return $this;
543			}
544
545			public function getContentWidth() : int
546			{
547			return $this->contentWidth;
548			}
549
550			/**
551			* Get padding for right had side of content
552			*/
553			public function getRightHandPadding(int $contentLength) : int
554			{
555			$rightPadding = $this->getContentWidth() - $contentLength + $this->getPaddingLeftRight();
556
557			if ($rightPadding < 0) {
558			$rightPadding = 0;
559			}
560
561			return $rightPadding;
562			}
563
564			public function setItemExtra(string $itemExtra) : self
565			{
566			$this->itemExtra = $itemExtra;
567
568			return $this;
569			}
570
571			public function getItemExtra() : string
572			{
573			return $this->itemExtra;
574			}
575
576			public function getDisplaysExtra() : bool
577			{
578			return $this->displaysExtra;
579			}
580
581			public function setDisplaysExtra(bool $displaysExtra) : self
582			{
583			$this->displaysExtra = $displaysExtra;
584
585			return $this;
586			}
587
588			public function getTitleSeparator() : string
589			{
590			return $this->titleSeparator;
591			}
592
593			public function setTitleSeparator(string $actionSeparator) : self
594			{
595			$this->titleSeparator = $actionSeparator;
596
597			return $this;
598			}
599
600			private function generateBorderRows() : void
601			{
602			$borderRow = sprintf(
603			"%s%s%s%s\n",
604			$this->debugMode ? $this->getDebugString($this->margin) : str_repeat(' ', $this->margin),
605			$this->getBorderColourCode(),
606			str_repeat(' ', $this->width),
607			$this->getColoursResetCode()
608			);
609
610			if ($this->debugMode && s::length($borderRow) <= $this->terminal->getWidth()) {
611			$borderRow = substr_replace(
612			$borderRow,
613			sprintf("%s\n", $this->getDebugString($this->terminal->getWidth() - (s::length($borderRow) - 1))),
614			-1
615			);
616			}
617
618			$this->borderTopRows = array_fill(0, $this->borderTopWidth, $borderRow);
619			$this->borderBottomRows = array_fill(0, $this->borderBottomWidth, $borderRow);
620			}
621
622			public function getBorderTopRows() : array
623			{
624			return $this->borderTopRows;
625			}
626
627			public function getBorderBottomRows() : array
628			{
629			return $this->borderBottomRows;
630			}
631
632			/**
633			* Shorthand function to set all borders values at once
634			*/
635			public function setBorder(
636			int $topWidth,
637			$rightWidth = null,
638			$bottomWidth = null,
639			$leftWidth = null,
640			string $colour = null
641			) : self {
642			if (!is_int($rightWidth)) {
643			$colour = $rightWidth;
644			$rightWidth = $bottomWidth = $leftWidth = $topWidth;
645			} elseif (!is_int($bottomWidth)) {
646			$colour = $bottomWidth;
647			$bottomWidth = $topWidth;
648			$leftWidth = $rightWidth;
649			} elseif (!is_int($leftWidth)) {
650			$colour = $leftWidth;
651			$leftWidth = $rightWidth;
652			}
653
654			$this->borderTopWidth = $topWidth;
655			$this->borderRightWidth = $rightWidth;
656			$this->borderBottomWidth = $bottomWidth;
657			$this->borderLeftWidth = $leftWidth;
658
659			if (is_string($colour)) {
660			$this->setBorderColour($colour);
661			} elseif ($colour !== null) {
662			throw new \InvalidArgumentException('Invalid colour');
663			}
664
665			$this->calculateContentWidth();
666			$this->generateBorderRows();
667			$this->generatePaddingTopBottomRows();
668
669			return $this;
670			}
671
672			public function setBorderTopWidth(int $width) : self
673			{
674			$this->borderTopWidth = $width;
675
676			$this->generateBorderRows();
677
678			return $this;
679			}
680
681			public function setBorderRightWidth(int $width) : self
682			{
683			$this->borderRightWidth = $width;
684			$this->calculateContentWidth();
685
686			$this->generatePaddingTopBottomRows();
687
688			return $this;
689			}
690
691			public function setBorderBottomWidth(int $width) : self
692			{
693			$this->borderBottomWidth = $width;
694
695			$this->generateBorderRows();
696
697			return $this;
698			}
699
700			public function setBorderLeftWidth(int $width) : self
701			{
702			$this->borderLeftWidth = $width;
703			$this->calculateContentWidth();
704
705			$this->generatePaddingTopBottomRows();
706
707			return $this;
708			}
709
710			public function setBorderColour(string $colour, $fallback = null) : self
711			{
712			$this->borderColour = ColourUtil::validateColour(
713			$this->terminal,
714			$colour,
715			$fallback
716			);
717
718			$this->generateBorderRows();
719			$this->generatePaddingTopBottomRows();
720
721			return $this;
722			}
723
724			public function getBorderTopWidth() : int
725			{
726			return $this->borderTopWidth;
727			}
728
729			public function getBorderRightWidth() : int
730			{
731			return $this->borderRightWidth;
732			}
733
734			public function getBorderBottomWidth() : int
735			{
736			return $this->borderBottomWidth;
737			}
738
739			public function getBorderLeftWidth() : int
740			{
741			return $this->borderLeftWidth;
742			}
743
744			public function getBorderColour() : string
745			{
746			return $this->borderColour;
747			}
748
749			public function getBorderColourCode() : string
750			{
751			if (!ctype_digit($this->borderColour)) {
752			$borderColourCode = self::$availableBackgroundColors[$this->borderColour];
753			} else {
754			$borderColourCode = sprintf("48;5;%s", $this->borderColour);
755			}
756
757			return sprintf("\033[%sm", $borderColourCode);
758			}
759
760			/**
761			* Get a string of given length consisting of 0-9
762			* eg $length = 15 : 012345678901234
763			*/
764			private function getDebugString(int $length) : string
765			{
766			$nums = [];
767			for ($i = 0, $j = 0; $i < $length; $i++, $j++) {
768			if ($j === 10) {
769			$j = 0;
770			}
771
772			$nums[] = $j;
773			}
774
775			return implode('', $nums);
776			}
777			}
778

php-school / cli-menu

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MenuStyle::generatePaddingTopBottomRows() B

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