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https://github.com/yiisoft/yii2.git
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402 lines
12 KiB
PHP
402 lines
12 KiB
PHP
<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\console\widgets;
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use Yii;
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use yii\base\Widget;
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use yii\helpers\ArrayHelper;
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use yii\helpers\Console;
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/**
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* Table class displays a table in console.
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*
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* For example,
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*
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* ```php
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* $table = new Table();
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*
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* echo $table
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* ->setHeaders(['test1', 'test2', 'test3'])
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* ->setRows([
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* ['col1', 'col2', 'col3'],
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* ['col1', 'col2', ['col3-0', 'col3-1', 'col3-2']],
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* ])
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* ->run();
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* ```
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*
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* or
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*
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* ```php
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* echo Table::widget([
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* 'headers' => ['test1', 'test2', 'test3'],
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* 'rows' => [
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* ['col1', 'col2', 'col3'],
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* ['col1', 'col2', ['col3-0', 'col3-1', 'col3-2']],
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* ],
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* ]);
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*
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* @property string $listPrefix List prefix. This property is write-only.
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* @property int $screenWidth Screen width. This property is write-only.
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*
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* @author Daniel Gomez Pan <pana_1990@hotmail.com>
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* @since 2.0.13
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*/
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class Table extends Widget
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{
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const DEFAULT_CONSOLE_SCREEN_WIDTH = 120;
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const CONSOLE_SCROLLBAR_OFFSET = 3;
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const CHAR_TOP = 'top';
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const CHAR_TOP_MID = 'top-mid';
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const CHAR_TOP_LEFT = 'top-left';
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const CHAR_TOP_RIGHT = 'top-right';
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const CHAR_BOTTOM = 'bottom';
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const CHAR_BOTTOM_MID = 'bottom-mid';
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const CHAR_BOTTOM_LEFT = 'bottom-left';
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const CHAR_BOTTOM_RIGHT = 'bottom-right';
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const CHAR_LEFT = 'left';
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const CHAR_LEFT_MID = 'left-mid';
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const CHAR_MID = 'mid';
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const CHAR_MID_MID = 'mid-mid';
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const CHAR_RIGHT = 'right';
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const CHAR_RIGHT_MID = 'right-mid';
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const CHAR_MIDDLE = 'middle';
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/**
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* @var array table headers
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*/
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private $_headers = [];
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/**
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* @var array table rows
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*/
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private $_rows = [];
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/**
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* @var array table chars
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*/
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private $_chars = [
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self::CHAR_TOP => '═',
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self::CHAR_TOP_MID => '╤',
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self::CHAR_TOP_LEFT => '╔',
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self::CHAR_TOP_RIGHT => '╗',
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self::CHAR_BOTTOM => '═',
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self::CHAR_BOTTOM_MID => '╧',
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self::CHAR_BOTTOM_LEFT => '╚',
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self::CHAR_BOTTOM_RIGHT => '╝',
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self::CHAR_LEFT => '║',
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self::CHAR_LEFT_MID => '╟',
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self::CHAR_MID => '─',
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self::CHAR_MID_MID => '┼',
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self::CHAR_RIGHT => '║',
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self::CHAR_RIGHT_MID => '╢',
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self::CHAR_MIDDLE => '│',
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];
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/**
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* @var array table column widths
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*/
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private $_columnWidths = [];
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/**
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* @var int screen width
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*/
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private $_screenWidth;
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/**
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* @var string list prefix
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*/
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private $_listPrefix = '• ';
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/**
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* Set table headers.
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*
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* @param array $headers table headers
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* @return $this
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*/
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public function setHeaders(array $headers)
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{
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$this->_headers = array_values($headers);
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return $this;
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}
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/**
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* Set table rows.
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*
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* @param array $rows table rows
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* @return $this
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*/
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public function setRows(array $rows)
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{
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$this->_rows = array_map('array_values', $rows);
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return $this;
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}
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/**
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* Set table chars.
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*
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* @param array $chars table chars
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* @return $this
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*/
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public function setChars(array $chars)
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{
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$this->_chars = $chars;
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return $this;
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}
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/**
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* Set screen width.
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*
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* @param int $width screen width
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* @return $this
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*/
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public function setScreenWidth($width)
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{
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$this->_screenWidth = $width;
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return $this;
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}
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/**
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* Set list prefix.
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*
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* @param string $listPrefix list prefix
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* @return $this
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*/
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public function setListPrefix($listPrefix)
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{
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$this->_listPrefix = $listPrefix;
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return $this;
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}
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/**
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* @return string the rendered table
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*/
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public function run()
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{
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$this->calculateRowsSize();
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$headerCount = count($this->_headers);
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$buffer = $this->renderSeparator(
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$this->_chars[self::CHAR_TOP_LEFT],
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$this->_chars[self::CHAR_TOP_MID],
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$this->_chars[self::CHAR_TOP],
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$this->_chars[self::CHAR_TOP_RIGHT]
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);
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// Header
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if ($headerCount > 0) {
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$buffer .= $this->renderRow($this->_headers,
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$this->_chars[self::CHAR_LEFT],
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$this->_chars[self::CHAR_MIDDLE],
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$this->_chars[self::CHAR_RIGHT]
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);
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}
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// Content
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foreach ($this->_rows as $i => $row) {
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if ($i > 0 || $headerCount > 0) {
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$buffer .= $this->renderSeparator(
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$this->_chars[self::CHAR_LEFT_MID],
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$this->_chars[self::CHAR_MID_MID],
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$this->_chars[self::CHAR_MID],
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$this->_chars[self::CHAR_RIGHT_MID]
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);
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}
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$buffer .= $this->renderRow($row,
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$this->_chars[self::CHAR_LEFT],
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$this->_chars[self::CHAR_MIDDLE],
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$this->_chars[self::CHAR_RIGHT]);
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}
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$buffer .= $this->renderSeparator(
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$this->_chars[self::CHAR_BOTTOM_LEFT],
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$this->_chars[self::CHAR_BOTTOM_MID],
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$this->_chars[self::CHAR_BOTTOM],
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$this->_chars[self::CHAR_BOTTOM_RIGHT]
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);
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return $buffer;
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}
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/**
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* Renders a row of data into a string.
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*
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* @param array $row row of data
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* @param string $spanLeft character for left border
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* @param string $spanMiddle character for middle border
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* @param string $spanRight character for right border
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* @return string
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* @see \yii\console\widgets\Table::render()
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*/
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protected function renderRow(array $row, $spanLeft, $spanMiddle, $spanRight)
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{
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$size = $this->_columnWidths;
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$buffer = '';
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$arrayPointer = [];
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$finalChunk = [];
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for ($i = 0, ($max = $this->calculateRowHeight($row)) ?: $max = 1; $i < $max; $i++) {
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$buffer .= $spanLeft . ' ';
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foreach ($size as $index => $cellSize) {
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$cell = isset($row[$index]) ? $row[$index] : null;
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$prefix = '';
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if ($index !== 0) {
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$buffer .= $spanMiddle . ' ';
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}
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if (is_array($cell)) {
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if (empty($finalChunk[$index])) {
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$finalChunk[$index] = '';
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$start = 0;
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$prefix = $this->_listPrefix;
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if (!isset($arrayPointer[$index])) {
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$arrayPointer[$index] = 0;
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}
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} else {
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$start = mb_strwidth($finalChunk[$index], Yii::$app->charset);
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}
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$chunk = mb_substr($cell[$arrayPointer[$index]], $start, $cellSize - 4, Yii::$app->charset);
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$finalChunk[$index] .= $chunk;
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if (isset($cell[$arrayPointer[$index] + 1]) && $finalChunk[$index] === $cell[$arrayPointer[$index]]) {
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$arrayPointer[$index]++;
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$finalChunk[$index] = '';
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}
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} else {
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$chunk = mb_substr($cell, ($cellSize * $i) - ($i * 2), $cellSize - 2, Yii::$app->charset);
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}
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$chunk = $prefix . $chunk;
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$repeat = $cellSize - mb_strwidth($chunk, Yii::$app->charset) - 1;
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$buffer .= $chunk;
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if ($repeat >= 0) {
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$buffer .= str_repeat(' ', $repeat);
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}
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}
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$buffer .= "$spanRight\n";
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}
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return $buffer;
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}
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/**
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* Renders separator.
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*
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* @param string $spanLeft character for left border
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* @param string $spanMid character for middle border
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* @param string $spanMidMid character for middle-middle border
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* @param string $spanRight character for right border
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* @return string the generated separator row
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* @see \yii\console\widgets\Table::render()
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*/
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protected function renderSeparator($spanLeft, $spanMid, $spanMidMid, $spanRight)
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{
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$separator = $spanLeft;
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foreach ($this->_columnWidths as $index => $rowSize) {
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if ($index !== 0) {
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$separator .= $spanMid;
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}
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$separator .= str_repeat($spanMidMid, $rowSize);
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}
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$separator .= $spanRight . "\n";
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return $separator;
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}
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/**
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* Calculate the size of rows to draw anchor of columns in console.
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*
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* @see \yii\console\widgets\Table::render()
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*/
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protected function calculateRowsSize()
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{
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$this->_columnWidths = $columns = [];
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$totalWidth = 0;
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$screenWidth = $this->getScreenWidth() - self::CONSOLE_SCROLLBAR_OFFSET;
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$headerCount = count($this->_headers);
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if (empty($this->_rows)) {
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$rowColCount = 0;
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} else {
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$rowColCount = max(array_map('count', $this->_rows));
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}
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$count = max($headerCount, $rowColCount);
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for ($i = 0; $i < $count; $i++) {
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$columns[] = ArrayHelper::getColumn($this->_rows, $i);
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if ($i < $headerCount) {
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$columns[$i][] = $this->_headers[$i];
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}
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}
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foreach ($columns as $column) {
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$columnWidth = max(array_map(function ($val) {
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if (is_array($val)) {
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$encodings = array_fill(0, count($val), Yii::$app->charset);
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return max(array_map('mb_strwidth', $val, $encodings)) + mb_strwidth($this->_listPrefix, Yii::$app->charset);
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}
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return mb_strwidth($val, Yii::$app->charset);
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}, $column)) + 2;
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$this->_columnWidths[] = $columnWidth;
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$totalWidth += $columnWidth;
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}
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$relativeWidth = $screenWidth / $totalWidth;
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if ($totalWidth > $screenWidth) {
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foreach ($this->_columnWidths as $j => $width) {
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$this->_columnWidths[$j] = (int) ($width * $relativeWidth);
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if ($j === count($this->_columnWidths)) {
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$this->_columnWidths = $totalWidth;
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}
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$totalWidth -= $this->_columnWidths[$j];
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}
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}
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}
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/**
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* Calculate the height of a row.
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*
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* @param array $row
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* @return int maximum row per cell
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* @see \yii\console\widgets\Table::render()
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*/
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protected function calculateRowHeight($row)
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{
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$rowsPerCell = array_map(function ($size, $columnWidth) {
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if (is_array($columnWidth)) {
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$rows = 0;
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foreach ($columnWidth as $width) {
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$rows += ceil($width / ($size - 2));
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}
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return $rows;
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}
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return ceil($columnWidth / ($size - 2));
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}, $this->_columnWidths, array_map(function ($val) {
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if (is_array($val)) {
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$encodings = array_fill(0, count($val), Yii::$app->charset);
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return array_map('mb_strwidth', $val, $encodings);
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}
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return mb_strwidth($val, Yii::$app->charset);
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}, $row)
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);
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return max($rowsPerCell);
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}
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/**
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* Getting screen width.
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* If it is not able to determine screen width, default value `123` will be set.
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*
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* @return int screen width
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*/
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protected function getScreenWidth()
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{
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if (!$this->_screenWidth) {
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$size = Console::getScreenSize();
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$this->_screenWidth = isset($size[0])
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? $size[0]
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: self::DEFAULT_CONSOLE_SCREEN_WIDTH + self::CONSOLE_SCROLLBAR_OFFSET;
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}
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return $this->_screenWidth;
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}
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}
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