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<?php
namespace ConsoleTVs\Charts\Classes;
use Balping\JsonRaw\Encoder;
use Balping\JsonRaw\Raw;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\View;
class BaseChart
{
/**
* Stores the chart ID.
*
* @var string
*/
public $id;
/**
* Stores the chart datasets.
*
* @var array
*/
public $datasets = [];
/**
* Stores the dataset class to be used.
*
* @var object
*/
protected $dataset = DatasetClass::class;
/**
* Stores the chart labels.
*
* @var array
*/
public $labels = [];
/**
* Stores the chart container.
*
* @var string
*/
public $container = '';
/**
* Stores the chart options.
*
* @var array
*/
public $options = [];
/**
* Stores the plugins options.
*
* @var array
*/
public $plugins = [];
/**
* Stores the plugin views.
*
* @var array
*/
public $pluginsViews = [];
/**
* Stores the chart script.
*
* @var string
*/
public $script = '';
/**
* Stores the chart type.
*
* @var string
*/
public $type = '';
/**
* Stores the API url if the chart is loaded over API.
*
* @var string
*/
public $api_url = '';
/**
* Determines if the loader is show.
*
* @var bool
*/
public $loader = true;
/**
* Determines if the loader color.
*
* @var string
*/
public $loaderColor = '#22292F';
/**
* Stores the height of the chart.
*
* @var int
*/
public $height = 400;
/**
* Stores the width of the chart.
*
* @var int
*/
public $width = null;
/**
* Stores the available chart letters to create the ID.
*
* @var array
*/
public $scriptAttributes = [
'type' => 'text/javascript',
];
/**
* Stores the available chart letters to create the ID.
*
* @var string
*/
private $chartLetters = 'abcdefghijklmnopqrstuvwxyz';
/**
* Chart constructor.
*/
public function __construct()
{
$this->id = substr(str_shuffle(str_repeat($x = $this->chartLetters, ceil(25 / strlen($x)))), 1, 25);
}
/**
* Adds a new dataset to the chart.
*
* @param string $name
* @param array|Collection $data
*/
public function dataset(string $name, string $type, $data)
{
if ($data instanceof Collection) {
$data = $data->toArray();
}
$dataset = new $this->dataset($name, $type, $data);
array_push($this->datasets, $dataset);
return $dataset;
}
/**
* Set the chart labels.
*
* @param array|Collection $labels
*
* @return self
*/
public function labels($labels)
{
if ($labels instanceof Collection) {
$labels = $labels->toArray();
}
$this->labels = $labels;
return $this;
}
/**
* Set the chart options.
*
* @param array|Collection $options
* @param bool $overwrite
*
* @return self
*/
public function options($options, bool $overwrite = false)
{
if (!empty($options['plugins'])) {
$options['plugins'] = new Raw(trim(preg_replace('/\s\s+/', ' ', $options['plugins'])));
}
if ($options instanceof Collection) {
$options = $options->toArray();
}
if ($overwrite) {
$this->options = $options;
} else {
$this->options = array_replace_recursive($this->options, $options);
}
return $this;
}
/**
* Set the plugins options.
*
* @param array|Collection $options
* @param bool $overwrite
*
* @return self
*/
public function plugins($plugins, bool $overwrite = true)
{
if ($plugins instanceof Collection) {
$plugins = $plugins->toArray();
}
if ($overwrite) {
$this->plugins = $plugins;
} else {
$this->plugins = array_replace_recursive($this->plugins, $plugins);
}
return $this;
}
/**
* Set the chart container.
*
* @param string $container
*
* @return self
*/
public function container(string $container = null)
{
if (!$container) {
return View::make($this->container, ['chart' => $this]);
}
$this->container = $container;
return $this;
}
/**
* Set the chart script.
*
* @param string $script
*
* @return self
*/
public function script(string $script = null)
{
if (count($this->datasets) == 0 && !$this->api_url) {
throw new \Exception('No datasets provided, please provide at least one dataset to generate a chart');
}
if (!$script) {
return View::make($this->script, ['chart' => $this]);
}
$this->script = $script;
return $this;
}
/**
* Set the chart type.
*
* @param string $type
*
* @return self
*/
public function type(string $type)
{
$this->type = $type;
return $this;
}
/**
* Set the chart height.
*
* @param int $height
*
* @return self
*/
public function height(int $height)
{
$this->height = $height;
return $this;
}
/**
* Set the chart width.
*
* @param int $width
*
* @return self
*/
public function width(int $width)
{
$this->width = $width;
return $this;
}
/**
* Formats the type to be a correct output.
*
* @return string
*/
public function formatType()
{
return $this->type ? $this->type : $this->datasets[0]->type;
}
/**
* Formats the labels to be a correct output.
*
* @return string
*/
public function formatLabels()
{
return Encoder::encode($this->labels);
}
/**
* Formats the chart options.
*
* @param bool $strict
*
* @return string
*/
public function formatOptions(bool $strict = false, bool $noBraces = false)
{
if (!$strict && count($this->options) === 0) {
return '';
}
$options = Encoder::encode($this->options);
return $noBraces ? substr($options, 1, -1) : $options;
}
/**
* Formats the plugins options.
*
* @param bool $strict
*
* @return string
*/
public function formatPlugins(bool $strict = false, bool $noBraces = false)
{
if (!$strict && count($this->plugins) === 0) {
return '';
}
$plugins = str_replace('"', '', Encoder::encode($this->plugins));
return $noBraces ? substr($plugins, 1, -1) : $plugins;
}
/**
* Use this to pass values to json without any modification
* Useful for defining callbacks.
*
* @param string $value
*
* @return \Balping\JsonRaw\Raw
*/
public function rawObject(string $value)
{
return new Raw($value);
}
/**
* Reset the chart options.
*
* @return self
*/
public function reset()
{
return $this->options([], true);
}
/**
* Formats the datasets for the output.
*
* @return string
*/
public function formatDatasets()
{
// This little boy was commented because it's not compatible
// in laravel < 5.4
//
// return Collection::make($this->datasets)
// ->each
// ->matchValues(count($this->labels))
// ->map
// ->format($this->labels)
// ->toJson();
return Encoder::encode(
Collection::make($this->datasets)
->each(function ($dataset) {
$dataset->matchValues(count($this->labels));
})
->map(function ($dataset) {
return $dataset->format($this->labels);
})
->toArray()
);
}
/**
* Indicates that the chart information will be loaded over API.
*
* @param string $api_url
*
* @return self
*/
public function load(string $api_url)
{
$this->api_url = $api_url;
return $this;
}
/**
* Determines if the chart should show a loader.
*
* @param bool $loader
*
* @return self
*/
public function loader(bool $loader)
{
$this->loader = $loader;
return $this;
}
/**
* Determines the loader color.
*
* @param string $color
*
* @return self
*/
public function loaderColor(string $color)
{
$this->loaderColor = $color;
return $this;
}
/**
* Alias for the formatDatasets() method.
*
* @return string
*/
public function api()
{
return $this->formatDatasets();
}
/**
* Sets an HTML attribute the the script tag of the chart.
*
* @param string $key
* @param string $value
*
* @return self
*/
public function setScriptAttribute(string $key, string $value)
{
$this->scriptAttributes[$key] = $value;
return $this;
}
/**
* Returns the string formatting of the script attributes.
*
* @return string
*/
public function displayScriptAttributes(): string
{
$result = '';
foreach ($this->scriptAttributes as $key => $value) {
echo " {$key}=\"{$value}\"";
}
return $result;
}
/**
* Formats the container options.
*
* @param string $type
* @param bool $maxIfNull
*
* @return string
*/
public function formatContainerOptions(string $type = 'css', bool $maxIfNull = false)
{
$options = '';
$height = ($maxIfNull && !$this->height) ? '100%' : $this->height;
$width = ($maxIfNull && !$this->width) ? '100%' : $this->width;
switch ($type) {
case 'css':
$options .= " style='";
(!$height) ?: $options .= "height: {$height}px !important;";
(!$width) ?: $options .= "width: {$width}px !important;";
$options .= "' ";
break;
case 'js':
if ($height) {
if (is_int($height)) {
$options .= "height: {$height}, ";
} else {
$options .= "height: '{$height}', ";
}
}
if ($width) {
if (is_int($width)) {
$options .= "width: {$width}, ";
} else {
$options .= "width: '{$width}', ";
}
}
break;
default:
(!$height) ?: $options .= " height='{$this->height}' ";
(!$this->width) ?: $options .= " width='{$this->width}' ";
}
return $options;
}
}