Column.php

Go to the documentation of this file.

<?php
#require_once 'Zend/Text/Table.php';

#require_once 'Zend/Text/MultiByte.php';

class Zend_Text_Table_Column
{
    const ALIGN_LEFT   = 'left';
    const ALIGN_CENTER = 'center';
    const ALIGN_RIGHT  = 'right';

    protected $_content = '';

    protected $_align = self::ALIGN_LEFT;

    protected $_colSpan = 1;

    protected $_allowedAligns = array(self::ALIGN_LEFT, self::ALIGN_CENTER, self::ALIGN_RIGHT);

    public function __construct($content = null, $align = null, $colSpan = null, $charset = null)
    {
        if ($content !== null) {
            $this->setContent($content, $charset);
        }

        if ($align !== null) {
            $this->setAlign($align);
        }

        if ($colSpan !== null) {
            $this->setColSpan($colSpan);
        }
    }

    public function setContent($content, $charset = null)
    {
        if (is_string($content) === false) {
            #require_once 'Zend/Text/Table/Exception.php';
            throw new Zend_Text_Table_Exception('$content must be a string');
        }

        if ($charset === null) {
            $inputCharset = Zend_Text_Table::getInputCharset();
        } else {
            $inputCharset = strtolower($charset);
        }

        $outputCharset = Zend_Text_Table::getOutputCharset();

        if ($inputCharset !== $outputCharset) {
            if (PHP_OS !== 'AIX') {
                // AIX does not understand these character sets
                $content = iconv($inputCharset, $outputCharset, $content);
            }

        }

        $this->_content = $content;

        return $this;
    }

    public function setAlign($align)
    {
        if (in_array($align, $this->_allowedAligns) === false) {
            #require_once 'Zend/Text/Table/Exception.php';
            throw new Zend_Text_Table_Exception('Invalid align supplied');
        }

        $this->_align = $align;

        return $this;
    }

    public function setColSpan($colSpan)
    {
        if (is_int($colSpan) === false or $colSpan < 1) {
            #require_once 'Zend/Text/Table/Exception.php';
            throw new Zend_Text_Table_Exception('$colSpan must be an integer and greater than 0');
        }

        $this->_colSpan = $colSpan;

        return $this;
    }

    public function getColSpan()
    {
        return $this->_colSpan;
    }

    public function render($columnWidth, $padding = 0)
    {
        if (is_int($columnWidth) === false or $columnWidth < 1) {
            #require_once 'Zend/Text/Table/Exception.php';
            throw new Zend_Text_Table_Exception('$columnWidth must be an integer and greater than 0');
        }

        $columnWidth -= ($padding * 2);

        if ($columnWidth < 1) {
            #require_once 'Zend/Text/Table/Exception.php';
            throw new Zend_Text_Table_Exception('Padding (' . $padding . ') is greater than column width');
        }

        switch ($this->_align) {
            case self::ALIGN_LEFT:
                $padMode = STR_PAD_RIGHT;
                break;

            case self::ALIGN_CENTER:
                $padMode = STR_PAD_BOTH;
                break;

            case self::ALIGN_RIGHT:
                $padMode = STR_PAD_LEFT;
                break;

            default:
                // This can never happen, but the CS tells I have to have it ...
                break;
        }

        $outputCharset = Zend_Text_Table::getOutputCharset();
        $lines         = explode("\n", Zend_Text_MultiByte::wordWrap($this->_content, $columnWidth, "\n", true, $outputCharset));
        $paddedLines   = array();

        foreach ($lines AS $line) {
            $paddedLines[] = str_repeat(' ', $padding)
                           . Zend_Text_MultiByte::strPad($line, $columnWidth, ' ', $padMode, $outputCharset)
                           . str_repeat(' ', $padding);
        }

        $result = implode("\n", $paddedLines);

        return $result;
    }
}