main css classes for front/back-end

1 files changed, 182 insertions, 0 deletions

diff --git a/html/app/views/simple/Render.php b/html/app/views/simple/Render.php
new file mode 100644
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+++ b/html/app/views/simple/Render.php
@@ -0,0 +1,182 @@
+<?php
+/** Wiki Render Class
+ * -----------------------------------------------------------------------------
+ * 
+ * + automates the creation of common html elements used in Wiki
+ * 
+ * + methods are called statically (without object-instantiation)
+ * 
+ * + Render class constructs the Render::all_breadcrumbs() super-array
+ * 
+ * -----------------------------------------------------------------------------
+ */
+class Render
+{
+
+    /** Render::template($data)
+     * (as any render function in anom framework)
+     * 
+     * @param $file (string) : filename [with path] of a php/html (acting as template) 
+     * @param $data : array of variable-name:value pairs (extracted/used into template)
+     */
+	static function template($file, $data) {
+  
+        if (file_exists($file)) {      
+            extract( $data );
+            require( $file );
+    
+        } else {
+                echo "<!-- view ". $file ." is missing -->";
+        }
+
+    }
+
+
+    /** all_breadcrumbs
+     * -------------------------------------------------------------------------
+     * 
+     * returns an array of all breadcrumbs
+     * where array-key of each record is category[id]
+     * 
+     * NOTE:
+     * ---
+     * Render::all_breadcrumbs returns an indexed super-array;
+     * each array item includes a banch of information: [
+     *    breadcrumb,
+     *    rec: [ id , title ],
+     *    parents: [ [id, title] , ... ]
+     *    childs: [ [id, title] , ... ],
+     *    level
+     * ]
+     * 
+     * Use Cases:
+     * ---
+     * as a super-array, the output can be used in many cases
+     * for example...
+     * into <select-option> form elements
+     * .. while selecting category for a post
+     * .. or editing a category
+     * or directry referring to category's parents/childs
+     * 
+     * Arguments:
+     * ---
+     * @param $tree (array) : category tree (with childs and parents parts)
+     * @param $detimiter (string, optional) : string to split breadcrumb's path-nodes
+     * @param $exception (int, optional) : id of category to exclude (subcategories shall be excluded too)
+     * @param $l (int, not-pass) : depth level of the node; DO NOT SET (takes values automaticaly)
+     * @return array of breadcrumbs
+     * -------------------------------------------------------------------------
+     */
+    static public function all_breadcrumbs($tree, $delimiter = " / ", $exception = 0, $l = 0)
+    {
+        $all = [];      // results array
+
+        foreach($tree as $node) {       // loop through all nodes
+
+            if (intval($node['rec']['id']) != $exception) {     // if node is not exception
+
+                // construct breadcrumb html of node
+                // --- -- -- - - -
+                $breadcrumb = "";
+                foreach($node['parents'] as $par) {     // first: join path titles
+                    $breadcrumb .= $par['title'] . $delimiter;
+                }
+                $breadcrumb .= $node['rec']['title'];   // last: append title
+
+                // make a new super record
+                // --- -- -- - - -
+                $all[$node['rec']['id']] = [        // set record is as key
+                    'breadcrumb' => $breadcrumb,        // add breadcrump to results
+                    'rec' => $node['rec'],              // + node info 
+                    'parents' => $node['parents'],      // + parents array
+                    'childs' => self::first_level_childs($node),    // + direct childs
+                    'level' => $l                       // + level
+                ];
+
+                // recursively traverse children nodes
+                // --- -- -- - - -
+                if (isset($node['childs']) && $node['childs'] != []) {
+                    $child_breadcrumbs = self::all_breadcrumbs(
+                        $node['childs'],
+                        $delimiter,
+                        $exception,
+                        $l+1
+                    );
+
+                    $all = $all + $child_breadcrumbs;   // concatenate arrays (keep array-keys)
+                } 
+            }
+
+        }
+        return $all;
+        
+    }
+
+    /** first_level_childs
+     * --- -- -- - - -
+     * used by all_breadcrumbs()
+     */
+    static private function first_level_childs($node)
+    {
+        $childs = [];
+        if ($node['childs'] == []) {
+            return [];
+        }
+        foreach($node['childs'] as $key => $kid) {
+            $childs[] = [
+                'id' => $kid['rec']['id'],
+                'title' => $kid['rec']['title']
+            ];
+        }
+        return $childs;
+    }
+
+
+    /** date_box
+     * creates a pretty date box; outputs greek months
+     * 
+     * @param $date (string) in 'Y-m-d H:i:s' format
+     * @return html (string) of the date-box
+     */
+    static public function date_box($date)
+    {
+        $months_Gr = ['',
+            'Ιαν', 'Φεβ', 'Μαρ', 'Απρ',
+            'Μάι', 'Ιουν', 'Ιουλ', 'Αυγ',
+            'Σεπ', 'Οκτ', 'Νοε', 'Δεκ'
+        ];
+        $date = DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $date);
+        $day = $date->format("j");
+        $month = $months_Gr[intval($date->format("m"))];
+        $year = $date->format("Y");
+
+        // print_r([$date, $day, $month, $year]); die();
+
+        return "<div class='date'>
+            <p class='day'>{$day}</p>
+            <p class='month'>{$month}</p>
+            <p class='year'>{$year}</p>
+        </div>";
+    }
+
+    /** date_friendly
+     * outputs an unformated greek-language date string
+     * 
+     * @param $date (string) in 'Y-m-d H:i:s' format
+     */
+    static public function date_friendly($date, $display_time = false)
+    {
+        $months_Gr = ['',
+            'Ιαν', 'Φεβ', 'Μαρ', 'Απρ', 'Μάι', 'Ιουν',
+            'Ιουλ', 'Αυγ', 'Σεπ', 'Οκτ', 'Νοε', 'Δεκ'
+        ];
+        $date = DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $date);
+        $day = $date->format("j");
+        $month = $months_Gr[intval($date->format("m"))];
+        $year = $date->format("Y");
+        $time = ($display_time) ? $date->format("H:i") : '';
+
+        return "{$day} {$month} {$year} {$time}";
+    }
+
+}