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Issue #145 - add totals= parameter to [bw_table] shortcode
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| <?php | ||
| if ( !defined( 'CLASS_OIK_CSV_TOTALS_INCLUDED' ) ) { | ||
| define( 'CLASS_OIK_CSV_TOTALS_INCLUDED', '0.0.0' ); | ||
|
|
||
| /** | ||
| * @copyright Bobbing Wide 2020 | ||
| * @package oik-bob-bing-wide | ||
| * | ||
| * Produces a totals rows for the CSV. | ||
| * | ||
| * Usage: | ||
| * ``` | ||
| * csv_totals = new oik_csv_totals( 'c,t,a' ); | ||
| * foreach row { | ||
| * csv_totals->row( array of column cells ); | ||
| * } | ||
| * csv_totals->totals_row( 'Count:,Total:,Average:'); | ||
| * ``` | ||
| */ | ||
| class Oik_csv_totals { | ||
|
|
||
| private $rows=0; // Row count | ||
| private $totals=[]; // array of totalling actions - one for each column | ||
| private $columns=[]; // Array of column totals - for 't' or 'a' | ||
|
|
||
| /** | ||
| * Constructor for the oik_csv_totals class. | ||
| * | ||
| * @param string|array $totals Totalling actions for each column to be handled. | ||
| */ | ||
| function __construct( $totals ) { | ||
| $this->set_totals( $totals ); | ||
| $this->columns=array_fill( 0, count( $this->totals ), 0 ); | ||
| $this->rows( null ); | ||
| } | ||
|
|
||
| /** | ||
| * Sets the totalling method for each column. | ||
| * | ||
| * @param string|mixed $totals Totalling method for each column to be totalled. | ||
| */ | ||
| function set_totals( $totals ) { | ||
| $this->totals=explode( ',', $totals ); | ||
| foreach ( $this->totals as $key=>$total ) { | ||
| $total=trim( $total ); | ||
| $total=strtolower( $total ); | ||
| $total.=' '; | ||
| $total=$total[0]; | ||
| switch ( $total ) { | ||
| case 's': | ||
| $total='t'; | ||
| break; | ||
| case 't': | ||
| case 'a': | ||
| case '-': | ||
| case 'c': | ||
| break; | ||
|
|
||
| default: | ||
| $total='-'; | ||
| } | ||
| $this->totals[ $key ]=$total; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Incremements, resets or returns the rows. | ||
| * | ||
| * @param bool|null $inc Option to increment, reset or return the row. | ||
| */ | ||
| function rows( $inc=true ) { | ||
| if ( $inc ) { | ||
| $this->rows ++; | ||
| } elseif ( null === $inc ) { | ||
| $this->rows=0; | ||
| } | ||
|
|
||
| return $this->rows; | ||
| } | ||
|
|
||
| /** | ||
| * Accumulates another table row. | ||
| * | ||
| * @param array $tablerow Array of cells for the row. | ||
| */ | ||
| function row( $tablerow ) { | ||
| $this->rows(); | ||
| $this->columns( $tablerow ); | ||
| } | ||
|
|
||
| /** | ||
| * Accumulates column total when required. | ||
| * | ||
| * @param array $tablerow array of cells for the row. | ||
| */ | ||
| function columns( $tablerow ) { | ||
| foreach ( $this->totals as $key=>$total ) { | ||
| $cell=$tablerow[ $key ]; | ||
| switch ( $total ) { | ||
| case 'a': | ||
| case 't': | ||
| if ( is_numeric( $cell ) ) { | ||
| $this->columns[ $key ]+=$cell; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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||
| function column( $key, $cell ) { | ||
| if ( isset( $this->totals[ $key ] )) { | ||
| $total=$this->totals[ $key ]; | ||
| switch ( $total ) { | ||
| case 'a': | ||
| case 't': | ||
| if ( is_array( $cell )) { | ||
| $cell = $cell[0]; | ||
| } | ||
| if ( is_numeric( $cell ) ) { | ||
| $this->columns[ $key ]+=$cell; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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||
|
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||
| /** | ||
| * Display the Totals row | ||
| * | ||
| * @param string| mixed $prefixes Optional prefixes for each cell in the totals row. | ||
| */ | ||
| function totals_row( $prefixes=null ) { | ||
| $prefixes=bw_as_array( $prefixes ); | ||
| $totals =[]; | ||
| foreach ( $this->totals as $key=>$total ) { | ||
| $cell=''; | ||
| switch ( $total ) { | ||
| case 't': | ||
| $cell=$this->columns[ $key ]; | ||
| break; | ||
|
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||
| case 'a': | ||
| $cell=$this->columns[ $key ] / $this->rows( false ); | ||
| break; | ||
|
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||
| case 'c': | ||
| $cell=$this->rows( false ); | ||
| break; | ||
| } | ||
| $prefix=isset( $prefixes[ $key ] ) ? $prefixes[ $key ] . ' ' : ''; | ||
|
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||
| $totals[]=$prefix . $cell; | ||
| } | ||
| bw_tablerow( $totals ); | ||
| } | ||
|
|
||
| } | ||
|
|
||
| } |
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