Add a demo to check placeholder images.

Author: SergioEstevao

Example/AztecExample.xcodeproj/project.pbxproj

@@ -39,6 +39,7 @@
 		F1D3610B20929F0200B4E7A5 /* WordPressEditor.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F1D3610420929E6D00B4E7A5 /* WordPressEditor.framework */; };
 		FF149F4A20E3C49A0070FECB /* imagesOverlays.html in Resources */ = {isa = PBXBuildFile; fileRef = FF149F4920E3C49A0070FECB /* imagesOverlays.html */; };
 		FF1FD05C20932EDE00186384 /* gutenberg.html in Resources */ = {isa = PBXBuildFile; fileRef = FF1FD05B20932EDE00186384 /* gutenberg.html */; };
+		FF5CDACD239E78B200CF235B /* failedMedia.html in Resources */ = {isa = PBXBuildFile; fileRef = FF5CDACC239E78B200CF235B /* failedMedia.html */; };
 		FF629DC9223BC418004C4106 /* videoShortcodes.html in Resources */ = {isa = PBXBuildFile; fileRef = FF629DC8223BC418004C4106 /* videoShortcodes.html */; };
 		FF9AF5481DB0E4E200C42ED3 /* AttachmentDetailsViewController.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = FF9AF5471DB0E4E200C42ED3 /* AttachmentDetailsViewController.storyboard */; };
 		FFC41BDE20DBC7BA004DFB4D /* video.html in Resources */ = {isa = PBXBuildFile; fileRef = FFC41BDD20DBC7BA004DFB4D /* video.html */; };
@@ -155,6 +156,7 @@
 		F1D360FC20929E6D00B4E7A5 /* WordPressEditor.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = WordPressEditor.xcodeproj; path = ../WordPressEditor/WordPressEditor.xcodeproj; sourceTree = "<group>"; };
 		FF149F4920E3C49A0070FECB /* imagesOverlays.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = imagesOverlays.html; sourceTree = "<group>"; };
 		FF1FD05B20932EDE00186384 /* gutenberg.html */ = {isa = PBXFileReference; lastKnownFileType = text.html; path = gutenberg.html; sourceTree = "<group>"; };
+		FF5CDACC239E78B200CF235B /* failedMedia.html */ = {isa = PBXFileReference; lastKnownFileType = text.html; path = failedMedia.html; sourceTree = "<group>"; };
 		FF629DC8223BC418004C4106 /* videoShortcodes.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = videoShortcodes.html; sourceTree = "<group>"; };
 		FF9AF5471DB0E4E200C42ED3 /* AttachmentDetailsViewController.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = AttachmentDetailsViewController.storyboard; sourceTree = "<group>"; };
 		FFC41BDD20DBC7BA004DFB4D /* video.html */ = {isa = PBXFileReference; lastKnownFileType = text.html; path = video.html; sourceTree = "<group>"; };
@@ -202,6 +204,7 @@
 				FF1FD05B20932EDE00186384 /* gutenberg.html */,
 				FFC41BDD20DBC7BA004DFB4D /* video.html */,
 				FF629DC8223BC418004C4106 /* videoShortcodes.html */,
+				FF5CDACC239E78B200CF235B /* failedMedia.html */,
 			);
 			path = SampleContent;
 			sourceTree = "<group>";
@@ -443,6 +446,7 @@
 				607FACDB1AFB9204008FA782 /* Main.storyboard in Resources */,
 				607FACE01AFB9204008FA782 /* LaunchScreen.xib in Resources */,
 				59280F2A1D47CAF40083FB59 /* content.html in Resources */,
+				FF5CDACD239E78B200CF235B /* failedMedia.html in Resources */,
 				B5FB212A1FEC38470067D597 /* captions.html in Resources */,
 				FF1FD05C20932EDE00186384 /* gutenberg.html in Resources */,
 				59280F2B1D47CAF40083FB59 /* SampleText.rtf in Resources */,

Example/Example/EditorDemoController.swift

@@ -1055,6 +1055,7 @@ extension EditorDemoController {
 
 }
 
+// MARK: - TextViewAttachmentDelegate
 
 extension EditorDemoController: TextViewAttachmentDelegate {
 

Example/Example/SampleContent/failedMedia.html

@@ -0,0 +1,5 @@
+<h3>Video</h3>
+<video src="https://nothere.mp4" poster="notthere.jpg" alt="Another video with bunnies"></video>
+
+<h3>Image</h3>
+<img src="https://nothere.jpeg" alt="Coyote" class="alignleft"/>

Example/Example/ViewController.swift

@@ -19,6 +19,7 @@ class ViewController: UITableViewController
                 DemoRow(title: "Captions Demo", action: { self.showEditorDemo(filename: "captions") }),
                 DemoRow(title: "Image Overlays", action: { self.showEditorDemo(filename: "imagesOverlays") }),
                 DemoRow(title: "Video Demo", action: { self.showEditorDemo(filename: "video", wordPressMode: false) }),
+                DemoRow(title: "Failed Media", action: { self.showEditorDemo(filename: "failedMedia") }),
                 DemoRow(title: "Empty Demo", action: { self.showEditorDemo() })
                 ]
             ),