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It is now possible to hide a column in Table.php

This commit is contained in:
Alessandro Ferro 2022-07-19 00:08:56 +02:00 committed by GitHub
parent 287c6c4d25
commit 9b71cb53d0
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1 changed files with 65 additions and 0 deletions
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65
phpxpress/phpxpress/table.php
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@ -5,6 +5,7 @@
// Structure
private $dataSource;
private $columnCaptions;
private $invisible_columns;
// Events
private $onValueDisplayingFunctionName;
@ -35,9 +36,37 @@
echo "<table class = '$tableClass'>";
/*
**
** management of invisible columns.
**
** $this->invisible_columns is an array containing the name
** of the key values of the array/object not to be displayed.
**
** $invisible_column_captions is an array holding the column
** captions of the columns to be removed.
*/
if(!empty($this->invisible_columns)){
if(is_array($this->dataSource[0])){
$array_keys = array_keys($this -> dataSource[0]);
}
else{
$array_keys = array_keys(get_object_vars($this -> dataSource[0]));
}
$invisible_columns_captions = array();
foreach($this->invisible_columns as $invisible_column_name){
$column_index = array_search($invisible_column_name, $array_keys);
array_push($invisible_columns_captions, $this->columnCaptions[$column_index]);
}
}
// Print head
echo '<thead><tr>';
foreach($this->columnCaptions as $caption){
if( isset($invisible_columns_captions) && in_array($caption, $invisible_columns_captions))
continue;
echo '<th scope="col">' . $caption . '</th>';
}
echo '</tr></thead>';
@ -48,6 +77,10 @@
echo '<tr>';
foreach ($obj as $name => $value) {
if(!empty($this->invisible_columns) && in_array($name, $this->invisible_columns)){
continue;
}
if(isset( $this -> onValueDisplayingFunctionName)){
call_user_func_array($this -> onValueDisplayingFunctionName , array($name, &$value, (array)$obj));
}
@ -164,6 +197,38 @@
}
}
/*
** Expected $column_name: the key of the column to remove.
**
** Making a column invisible, rather than removing it from the datasource, might
** be useful in those circumstances where a value is needed in the datasource
** or in the onValueDisplaying, without actually removing it.
**
*/
function invisible_column($column_name){
if(is_array($this->dataSource[0])){
$array_keys = array_keys($this -> dataSource[0]);
}
else{
$array_keys = array_keys(get_object_vars($this -> dataSource[0]));
}
if(!in_array($column_name, $array_keys)){
throw new InvalidArgumentException("The provided column $column_name is not present in the datasource's column keys");
}
if(isset($this->invisible_columns)){
if(in_array($column_name, $this->invisible_columns))
throw new InvalidArgumentException("The provided column $column_name is already invisible");
array_push($this->invisible_columns, $column_name);
}
else{
$this->invisible_columns = array($column_name);
}
}
/*
** The Event "onValueDisplaying" gets fired just before the displaying of a value within
** a table body, so you can display your own value.