class.ilChartLegend.php

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<?php
 
class ilChartLegend
{
    protected string $position = "";
    protected int $columns = 0;
    protected int $margin_x = 0;
    protected int $margin_y = 0;
    protected string $background = "";
    protected float $opacity = 0;
    protected string $border = "";
    protected string $container = "";
 
    public function __construct()
    {
        $this->setPosition("ne");
        $this->setColumns(1);
        $this->setMargin(5, 5);
        $this->setBackground("#888");
        $this->setOpacity(0.1);
        $this->setLabelBorder("#bbb");
    }
 
    public function setPosition(string $a_position): void
    {
        $all = array("ne", "nw", "se", "sw");
        if (in_array($a_position, $all)) {
            $this->position = $a_position;
        }
    }
 
    public function getPosition(): string
    {
        return $this->position;
    }
 
    public function setColumns(int $a_value): void
    {
        $this->columns = $a_value;
    }
 
    public function getColumns(): int
    {
        return $this->columns;
    }
 
    public function setMargin(int $a_x, int $a_y): void
    {
        $this->margin_x = $a_x;
        $this->margin_y = $a_y;
    }
 
    public function getMargin(): array
    {
        return array("x" => $this->margin_x, "y" => $this->margin_y);
    }
 
    public function setBackground(string $a_color): void
    {
        if (ilChart::isValidColor($a_color)) {
            $this->background = $a_color;
        }
    }
 
    public function getBackground(): string
    {
        return $this->background;
    }
 
    public function setOpacity(float $a_value): void
    {
        if ($a_value >= 0 && $a_value <= 1) {
            $this->opacity = $a_value;
        }
    }
 
    public function getOpacity(): float
    {
        return $this->opacity;
    }
 
    public function setLabelBorder(string $a_color): void
    {
        if (ilChart::isValidColor($a_color)) {
            $this->border = $a_color;
        }
    }
 
    public function getLabelBorder(): string
    {
        return $this->border;
    }
 
    public function setContainer(string $a_value): void
    {
        $this->container = trim($a_value);
    }
 
    public function getContainer(): string
    {
        return $this->container;
    }
 
    public function parseOptions(stdClass $a_options): void
    {
        $a_options->show = true;
 
        $a_options->noColumns = $this->getColumns();
        $a_options->position = $this->getPosition();
 
        $margin = $this->getMargin();
        $a_options->margin = array($margin["x"], $margin["y"]);
 
        $a_options->backgroundColor = ilChart::renderColor($this->getBackground());
        $a_options->backgroundOpacity = str_replace(",", ".", (string) $this->getOpacity());
        $a_options->labelBoxBorderColor = ilChart::renderColor($this->getLabelBorder());
 
        $container = $this->getContainer();
        if ($container) {
            $a_options->container = '#' . $container;
        }
    }
}