Basics for state preservation / restoration setup.

Not complete. Workaround in SWRevealController, toggle rearView twice as a work around. The state of the menu works. the framework methods are getting called in the other pages, but haven’t debugged them.
KishanMakk · Jul 9, 2014 · 08cd2c5 · 08cd2c5
1 parent af01c7b
commit 08cd2c5
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Showing 6 changed files with 159 additions and 8 deletions.
diff --git a/RevealControllerStoryboardExample2/RevealControllerStoryboardExample2/AppDelegate.m b/RevealControllerStoryboardExample2/RevealControllerStoryboardExample2/AppDelegate.m
@@ -43,4 +43,18 @@ - (void)applicationWillTerminate:(UIApplication *)application
     // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
 }
 
+#pragma mark state preservation / restoration
+- (BOOL) application:(UIApplication *)application shouldSaveApplicationState:(NSCoder *)coder {
+    return YES;
+}
+
+- (BOOL) application:(UIApplication *)application shouldRestoreApplicationState:(NSCoder *)coder {
+    return YES;
+}
+
+- (BOOL) application:(UIApplication *)application willFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+
+    [self.window makeKeyAndVisible];
+    return YES;
+}
 @end
diff --git a/RevealControllerStoryboardExample2/RevealControllerStoryboardExample2/ColorViewController.m b/RevealControllerStoryboardExample2/RevealControllerStoryboardExample2/ColorViewController.m
@@ -26,4 +26,30 @@ - (void)viewDidLoad
     _label.textColor = _color;
 }
 
+#pragma mark state preservation / restoration
+- (void)encodeRestorableStateWithCoder:(NSCoder *)coder {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    // TODO save what you need here
+    [coder encodeObject: _label.text forKey: @"lableText"];
+
+    [super encodeRestorableStateWithCoder:coder];
+}
+
+- (void)decodeRestorableStateWithCoder:(NSCoder *)coder {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    // TODO restore what you need here
+    _label.text = [coder decodeObjectForKey: @"labelText"];
+
+    [super decodeRestorableStateWithCoder:coder];
+}
+
+- (void)applicationFinishedRestoringState {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    // TODO call whatever function you need to visually restore
+
+}
+
 @end
diff --git a/RevealControllerStoryboardExample2/RevealControllerStoryboardExample2/MapViewController.m b/RevealControllerStoryboardExample2/RevealControllerStoryboardExample2/MapViewController.m
@@ -23,4 +23,27 @@ - (void)viewDidLoad
     [self.navigationController.navigationBar addGestureRecognizer: self.revealViewController.panGestureRecognizer];
 }
 
+#pragma mark state preservation / restoration
+- (void)encodeRestorableStateWithCoder:(NSCoder *)coder {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    // TODO save what you need here
+
+    [super encodeRestorableStateWithCoder:coder];
+}
+
+- (void)decodeRestorableStateWithCoder:(NSCoder *)coder {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    // TODO restore what you need here
+
+    [super decodeRestorableStateWithCoder:coder];
+}
+
+- (void)applicationFinishedRestoringState {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    // TODO call whatever function you need to visually restore
+}
+
 @end
diff --git a/RevealControllerStoryboardExample2/RevealControllerStoryboardExample2/MenuViewController.m b/RevealControllerStoryboardExample2/RevealControllerStoryboardExample2/MenuViewController.m
@@ -99,4 +99,27 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
     return cell;
 }
 
+#pragma mark state preservation / restoration
+- (void)encodeRestorableStateWithCoder:(NSCoder *)coder {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    // TODO save what you need here
+
+    [super encodeRestorableStateWithCoder:coder];
+}
+
+- (void)decodeRestorableStateWithCoder:(NSCoder *)coder {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    // TODO restore what you need here
+
+    [super decodeRestorableStateWithCoder:coder];
+}
+
+- (void)applicationFinishedRestoringState {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    // TODO call whatever function you need to visually restore
+}
+
 @end
diff --git a/...yboardExample2/RevealControllerStoryboardExample2/en.lproj/MainStoryboard-iPad.storyboard b/...yboardExample2/RevealControllerStoryboardExample2/en.lproj/MainStoryboard-iPad.storyboard
@@ -8,7 +8,7 @@
         <!--Reveal View Controller-->
         <scene sceneID="kQx-iy-tfG">
             <objects>
-                <viewController id="BnE-t1-cO2" customClass="SWRevealViewController" sceneMemberID="viewController">
+                <viewController storyboardIdentifier="SWRevealViewController" useStoryboardIdentifierAsRestorationIdentifier="YES" id="BnE-t1-cO2" customClass="SWRevealViewController" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="AqQ-ZN-66p">
                         <rect key="frame" x="0.0" y="0.0" width="768" height="1024"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
@@ -26,8 +26,8 @@
         <!--Menu View Controller-->
         <scene sceneID="MRh-rO-dc1">
             <objects>
-                <tableViewController id="QF7-9c-pUP" customClass="MenuViewController" sceneMemberID="viewController">
-                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="zp3-JK-cpb">
+                <tableViewController storyboardIdentifier="MenuViewController" useStoryboardIdentifierAsRestorationIdentifier="YES" id="QF7-9c-pUP" customClass="MenuViewController" sceneMemberID="viewController">
+                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" restorationIdentifier="MenuTableView" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="zp3-JK-cpb">
                         <rect key="frame" x="0.0" y="0.0" width="768" height="1024"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
@@ -117,7 +117,7 @@
         <!--Color View Controller - iPad Color-->
         <scene sceneID="a2e-Aa-0Nf">
             <objects>
-                <viewController id="ziO-d3-BPQ" customClass="ColorViewController" sceneMemberID="viewController">
+                <viewController storyboardIdentifier="ColorViewController" useStoryboardIdentifierAsRestorationIdentifier="YES" id="ziO-d3-BPQ" customClass="ColorViewController" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="pIg-cU-tR4">
                         <rect key="frame" x="0.0" y="0.0" width="768" height="1024"/>
                         <autoresizingMask key="autoresizingMask" flexibleMinX="YES" flexibleMaxX="YES" flexibleMinY="YES" flexibleMaxY="YES"/>
@@ -147,7 +147,7 @@
         <!--Navigation Controller-->
         <scene sceneID="9JS-IT-HOR">
             <objects>
-                <navigationController definesPresentationContext="YES" id="nyM-DF-G37" sceneMemberID="viewController">
+                <navigationController storyboardIdentifier="NavigationControllerMap" definesPresentationContext="YES" useStoryboardIdentifierAsRestorationIdentifier="YES" id="nyM-DF-G37" sceneMemberID="viewController">
                     <navigationBar key="navigationBar" contentMode="scaleToFill" id="RQv-y7-19i">
                         <autoresizingMask key="autoresizingMask"/>
                     </navigationBar>
@@ -162,7 +162,7 @@
         <!--Map View Controller - iPad Map-->
         <scene sceneID="hHE-Es-ToG">
             <objects>
-                <viewController id="dN4-6k-5wY" customClass="MapViewController" sceneMemberID="viewController">
+                <viewController storyboardIdentifier="MapViewController" useStoryboardIdentifierAsRestorationIdentifier="YES" id="dN4-6k-5wY" customClass="MapViewController" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="Ikb-if-QnY">
                         <rect key="frame" x="0.0" y="0.0" width="768" height="1024"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
@@ -189,8 +189,8 @@
         <!--Navigation Controller-->
         <scene sceneID="2Et-ek-LeJ">
             <objects>
-                <navigationController definesPresentationContext="YES" id="rrL-rJ-NYi" sceneMemberID="viewController">
-                    <navigationBar key="navigationBar" contentMode="scaleToFill" id="cwG-Nk-Jya">
+                <navigationController storyboardIdentifier="NavigationControllerColor" definesPresentationContext="YES" useStoryboardIdentifierAsRestorationIdentifier="YES" id="rrL-rJ-NYi" sceneMemberID="viewController">
+                    <navigationBar key="navigationBar" contentMode="scaleToFill" restorationIdentifier="NavigationBar" id="cwG-Nk-Jya">
                         <autoresizingMask key="autoresizingMask"/>
                     </navigationBar>
                     <connections>

diff --git a/SWRevealViewController/SWRevealViewController.m b/SWRevealViewController/SWRevealViewController.m
@@ -1643,6 +1643,71 @@ - (void)loadStoryboardControllers
     }
 }
 
+#pragma mark state preservation / restoration
++ (UIViewController*) viewControllerWithRestorationIdentifierPath:(NSArray*) identifierComponents coder:(NSCoder*)coder {
+    NSLog(@"%s", __PRETTY_FUNCTION__);
+
+    SWRevealViewController* vc;
+    UIStoryboard* sb = [coder decodeObjectForKey:UIStateRestorationViewControllerStoryboardKey];
+
+    if (sb) {
+        vc = (SWRevealViewController*)[sb instantiateViewControllerWithIdentifier:@"SWRevealViewController"];
+        vc.restorationIdentifier = [identifierComponents lastObject];
+        vc.restorationClass = [SWRevealViewController class];
+    }
+    return vc;
+}
+
+- (void)encodeRestorableStateWithCoder:(NSCoder *)coder {
+
+    // this will include the other view controllers in state encoding and decoding
+    if (_rearViewController) {
+        [coder encodeObject: _rearViewController forKey: @"rearViewController"];
+    }
+
+    if (_frontViewController) {
+        [coder encodeObject: _frontViewController forKey: @"frontViewController"];
+    }
+
+    if (_rightViewController) {
+        [coder encodeObject: _rightViewController forKey: @"rightViewController"];
+    }
+
+    // ??? What's needed to restore what position the views are in
+    [coder encodeInt: _frontViewPosition  forKey: @"frontViewPosition"];
+    [coder encodeInt: _rearViewPosition   forKey: @"rearViewPosition"];
+    [coder encodeInt: _rightViewPosition  forKey: @"rightViewPosition"];
+
+    [super encodeRestorableStateWithCoder:coder];
+}
+
+- (void)decodeRestorableStateWithCoder:(NSCoder *)coder {
+
+    // ??? What's needed to restore what position the views are in
+    _frontViewPosition = [coder decodeIntForKey: @"frontViewPosition"];
+    _rearViewPosition  = [coder decodeIntForKey: @"rearViewPosition"];
+    _rightViewPosition = [coder decodeIntForKey: @"rightViewPosition"];
+
+    [super decodeRestorableStateWithCoder:coder];
+}
+
+- (void)applicationFinishedRestoringState {
+
+    // ??? Get the views to where they should be
+
+    [self _setFrontViewPosition: _frontViewPosition withDuration:0.0];
+
+    [self revealToggleAnimated: NO];
+    [self revealToggleAnimated: NO];
+
+//    if (_rearViewPosition != FrontViewPositionNone) {
+//        [self revealToggleAnimated: NO];
+//    }
+//    
+//    if (_rightViewPosition >= FrontViewPositionLeft) {
+//        [self rightRevealToggleAnimated: NO];
+//    }
+}
 
 @end