new feature : colored tags

1 files changed, 96 insertions, 0 deletions

diff --git a/app/class/Colors.php b/app/class/Colors.php
new file mode 100644
index 0000000..ce37d62
--- /dev/null
+++ b/app/class/Colors.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace Wcms;
+
+class Colors
+{
+
+    protected $file = MODEL::CSS_DIR . 'tagcolors.css';
+
+
+    protected $rawcss = "";
+    protected $tagcolor = [];
+
+
+
+    public function __construct(array $taglist = [])
+    {
+        if ($this->readcssfile()) {
+            $this->parsetagcss();
+        }
+        if (!empty($taglist)) {
+            $this->removeaddtags($taglist);
+            $this->tocss();
+            $this->writecssfile();
+        }
+    }
+
+    public function readcssfile(): bool
+    {
+        if (MODEL::dircheck(MODEL::CSS_DIR) && file_exists($this->file)) {
+            $this->rawcss = file_get_contents($this->file);
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    public function removeaddtags(array $taglist = [])
+    {
+        $tagcolor = [];
+        foreach ($taglist as $tag => $tagcount) {
+            if (key_exists($tag, $this->tagcolor)) {
+                $tagcolor[$tag] = $this->tagcolor[$tag];
+            } else {
+                $tagcolor[$tag] = '#' . dechex(rand(100, 255)) . dechex(rand(100, 255)) . dechex(rand(100, 255));
+            }
+        }
+        $this->tagcolor = $tagcolor;
+    }
+
+
+
+    /**
+     * Transform a CSS string in a array of `tag => background-color`
+     * 
+     * @return array Ouput array using TAG as key and Hex Color as value
+     */
+    public function parsetagcss()
+    {
+        $pattern = '%.tag\_([a-z0-9\-\_]*)\s*\{\s*background-color:\s*(#[A-Fa-f0-9]{6})\;\s*\}%';
+        preg_match_all($pattern, $this->rawcss, $matches);
+        $tagcolor = array_combine($matches[1], $matches[2]);
+        if ($tagcolor !== false) {
+            $this->tagcolor = $tagcolor;
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    public function tocss()
+    {
+        $css = "";
+        foreach ($this->tagcolor as $tag => $color) {
+            $css .= PHP_EOL  . '.tag_' . $tag . ' { background-color: ' . $color . '; }';
+        }
+        $this->rawcss = $css;
+    }
+
+    public function writecssfile()
+    {
+        if (MODEL::dircheck(MODEL::CSS_DIR)) {
+            return file_put_contents($this->file, $this->rawcss);
+        }
+    }
+
+    public function htmlcolorpicker(array $csstagcolor): string
+    {
+        $html = '<ul>';
+        foreach ($csstagcolor as $tag => $color) {
+            $html .= PHP_EOL . '<li><input type="color" name="colors[' . $tag . ']" value="' . $color . '"></li>';
+        }
+        $html .= PHP_EOL . '</ul>';
+        return $html;
+    }
+}