From b2d21d51bd3532843fc6f6d18ba3665a12600985 Mon Sep 17 00:00:00 2001
From: Skylar Ittner <admin@netsyms.com>
Date: Wed, 16 May 2018 15:52:26 -0600
Subject: [PATCH] Add placeholder "No Image" image in editor

---
 lib/themefunctions.php    | 18 +++++++-
 public/file.php           |  9 +++-
 static/img/blankpixel.svg | 27 +++++++++++
 static/img/no-image.svg   | 95 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 146 insertions(+), 3 deletions(-)
 create mode 100644 static/img/blankpixel.svg
 create mode 100644 static/img/no-image.svg

diff --git a/lib/themefunctions.php b/lib/themefunctions.php
index 8884d3f..9cf4ccb 100644
--- a/lib/themefunctions.php
+++ b/lib/themefunctions.php
@@ -188,6 +188,8 @@ function get_component($name, $context = null, $echo = true, $default = "") {
 function is_component_empty($name, $context = null) {
     $comp = get_component($name, $context, false);
     $comp = strip_tags($comp, "<img><object><video><a>");
+    $comp = trim($comp);
+    $comp = str_replace("&nbsp;", "", $comp);
     if ($comp == "" && !isset($_GET['edit'])) {
         return true;
     }
@@ -219,11 +221,20 @@ function get_complex_component($name, $context = null, $include = []) {
     $filtered = [];
     foreach ($include as $i) {
         if (array_key_exists($i, $content)) {
-            $filtered[$i] = $content[$i];
+            if (!isset($_GET['edit']) && $i == "image" && $content[$i] == URL . "/static/img/no-image.svg") {
+                $filtered[$i] = "";
+            } else {
+                $filtered[$i] = $content[$i];
+            }
         } else {
-            $filtered[$i] = "";
+            if (isset($_GET['edit']) && $i == "image") {
+                $filtered[$i] = URL . "/static/img/no-image.svg";
+            } else {
+                $filtered[$i] = "";
+            }
         }
     }
+
     return $filtered;
 }
 
@@ -239,6 +250,9 @@ function is_complex_empty($name, $context = null) {
     }
     $comp = get_complex_component($name, $context);
     foreach ($comp as $c => $v) {
+        if ($c == "image" && $v == URL . "/static/img/no-image.svg") {
+            continue;
+        }
         if (isset($v) && !empty($v)) {
             return false;
         }
diff --git a/public/file.php b/public/file.php
index 1ccb8c8..53b567a 100644
--- a/public/file.php
+++ b/public/file.php
@@ -12,6 +12,13 @@ $base = FILE_UPLOAD_PATH;
 
 $filepath = "";
 
+if ($_GET['file'] === URL . "/static/img/no-image.svg") {
+    header("Content-Type: image/svg+xml");
+    ob_end_flush();
+
+    exit(file_get_contents(__DIR__ . "/../static/img/blankpixel.svg"));
+}
+
 if (isset($_GET['file'])) {
     $file = $_GET['file'];
     $filepath = $base . $file;
@@ -47,4 +54,4 @@ header("X-Content-Type-Options: nosniff");
 
 ob_end_flush();
 
-readfile($filepath);
\ No newline at end of file
+readfile($filepath);
diff --git a/static/img/blankpixel.svg b/static/img/blankpixel.svg
new file mode 100644
index 0000000..87911ee
--- /dev/null
+++ b/static/img/blankpixel.svg
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   id="svg2"
+   viewBox="0 0 1 1"
+   height="1"
+   width="1">
+  <defs
+     id="defs4" />
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+</svg>
diff --git a/static/img/no-image.svg b/static/img/no-image.svg
new file mode 100644
index 0000000..899e2a3
--- /dev/null
+++ b/static/img/no-image.svg
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="500"
+   height="200"
+   viewBox="0 0 500.00001 200"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="no-image.svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="1.4"
+     inkscape:cx="250"
+     inkscape:cy="57.691043"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:window-width="1280"
+     inkscape:window-height="966"
+     inkscape:window-x="2464"
+     inkscape:window-y="60"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-852.36216)">
+    <g
+       style="font-style:normal;font-weight:normal;font-size:57.19025803px;line-height:125%;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:0.58935361;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       id="text4136">
+      <path
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