Update macOS demo to add a clear cache button using NSButton category

Examples/SDWebImage OSX Demo/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Examples/SDWebImage OSX Demo/Base.lproj/Main.storyboard

@@ -1,8 +1,9 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" initialViewController="B8D-0N-5wS">
+<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="13771" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" initialViewController="B8D-0N-5wS">
     <dependencies>
         <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="10117"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="13771"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
         <!--Application-->
@@ -656,6 +657,9 @@
                         <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
                         <rect key="contentRect" x="196" y="240" width="480" height="400"/>
                         <rect key="screenRect" x="0.0" y="0.0" width="1680" height="1027"/>
+                        <connections>
+                            <outlet property="delegate" destination="B8D-0N-5wS" id="1ov-0o-Na3"/>
+                        </connections>
                     </window>
                     <connections>
                         <segue destination="XfG-lQ-9wD" kind="relationship" relationship="window.shadowedContentViewController" id="cq2-FE-JQM"/>
@@ -675,23 +679,36 @@
                         <subviews>
                             <imageView horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="nbD-Cx-g7b">
                                 <rect key="frame" x="20" y="252" width="204" height="128"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <imageCell key="cell" refusesFirstResponder="YES" alignment="left" imageScaling="proportionallyDown" id="vAn-1d-apO"/>
                             </imageView>
                             <imageView horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="kv0-67-hkh">
                                 <rect key="frame" x="256" y="252" width="204" height="128"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <imageCell key="cell" refusesFirstResponder="YES" alignment="left" imageScaling="proportionallyDown" id="f0P-c9-GMe"/>
                             </imageView>
                             <imageView horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="JIp-Or-vBM">
                                 <rect key="frame" x="20" y="116" width="204" height="128"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <imageCell key="cell" refusesFirstResponder="YES" alignment="left" imageScaling="proportionallyDown" id="NJq-m3-LlB"/>
                             </imageView>
                             <imageView horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="khI-tY-l0M">
                                 <rect key="frame" x="256" y="116" width="204" height="128"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <imageCell key="cell" refusesFirstResponder="YES" alignment="left" imageScaling="proportionallyDown" id="WbV-Do-9qy"/>
                             </imageView>
+                            <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="NqE-Zi-qhY">
+                                <rect key="frame" x="212" y="17" width="56" height="31"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                                <buttonCell key="cell" type="bevel" title="Clear" bezelStyle="regularSquare" alignment="center" borderStyle="border" imageScaling="proportionallyUpOrDown" inset="2" id="OYN-fG-Plb">
+                                    <behavior key="behavior" pushIn="YES" changeContents="YES" lightByContents="YES"/>
+                                    <font key="font" metaFont="system"/>
+                                </buttonCell>
+                            </button>
                         </subviews>
                     </view>
                     <connections>
+                        <outlet property="clearCacheButton" destination="NqE-Zi-qhY" id="eoz-cU-wWs"/>
                         <outlet property="imageView1" destination="nbD-Cx-g7b" id="t2R-8w-ybH"/>
                         <outlet property="imageView2" destination="kv0-67-hkh" id="i4k-5c-bno"/>
                         <outlet property="imageView3" destination="JIp-Or-vBM" id="Qcf-og-59T"/>

Examples/SDWebImage OSX Demo/ViewController.m

@@ -16,6 +16,7 @@
 @property (weak) IBOutlet NSImageView *imageView2;
 @property (weak) IBOutlet NSImageView *imageView3;
 @property (weak) IBOutlet NSImageView *imageView4;
+@property (weak) IBOutlet NSButton *clearCacheButton;
 
 @end
 
@@ -36,6 +37,20 @@
     self.imageView4.wantsLayer = YES;
     self.imageView4.sd_imageTransition = SDWebImageTransition.fadeTransition;
     [self.imageView4 sd_setImageWithURL:[NSURL URLWithString:@"http://s3.amazonaws.com/fast-image-cache/demo-images/FICDDemoImage001.jpg"] placeholderImage:nil options:SDWebImageForceTransition];
+    
+    self.clearCacheButton.target = self;
+    self.clearCacheButton.action = @selector(clearCacheButtonClicked:);
+    [self.clearCacheButton sd_setImageWithURL:[NSURL URLWithString:@"https://png.icons8.com/color/100/000000/delete-sign.png"]];
+    [self.clearCacheButton sd_setAlternateImageWithURL:[NSURL URLWithString:@"https://png.icons8.com/color/100/000000/checkmark.png"]];
+}
+
+- (void)clearCacheButtonClicked:(NSResponder *)sender {
+    NSButton *button = (NSButton *)sender;
+    button.state = NSControlStateValueOn;
+    [[SDImageCache sharedImageCache] clearMemory];
+    [[SDImageCache sharedImageCache] clearDiskOnCompletion:^{
+        button.state = NSControlStateValueOff;
+    }];
 }
 
 - (void)setRepresentedObject:(id)representedObject {