mirror of
https://github.com/JohnEstropia/CoreStore.git
synced 2026-03-17 23:13:52 +01:00
back-portable TableView DiffableDataSource
This commit is contained in:
John Estropia
@@ -510,18 +510,18 @@
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<viewControllerLayoutGuide type="bottom" id="aI4-O3-OCi"/>
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</layoutGuides>
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<view key="view" contentMode="scaleToFill" id="w8K-eN-RvU">
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<rect key="frame" x="0.0" y="0.0" width="375" height="309"/>
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||||
<rect key="frame" x="0.0" y="0.0" width="375" height="311.5"/>
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||||
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<subviews>
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<view contentMode="scaleToFill" verticalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="NhC-oM-bkd">
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<rect key="frame" x="16" y="69.5" width="343" height="77.5"/>
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<rect key="frame" x="16" y="69.5" width="343" height="80"/>
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<color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
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<constraints>
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<constraint firstAttribute="height" relation="greaterThanOrEqual" id="TIX-qi-B34"/>
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</constraints>
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</view>
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" verticalCompressionResistancePriority="250" text="Label" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumScaleFactor="0.5" adjustsLetterSpacingToFitWidth="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Vfe-Yq-3Xa">
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<rect key="frame" x="16" y="157" width="343" height="18"/>
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<rect key="frame" x="16" y="159.5" width="343" height="18"/>
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<constraints>
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<constraint firstAttribute="height" relation="greaterThanOrEqual" id="4h9-ha-EzR"/>
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</constraints>
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@@ -530,37 +530,37 @@
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<nil key="highlightedColor"/>
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</label>
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Hue" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="sgg-Md-Nf3">
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<rect key="frame" x="16" y="195" width="74" height="18"/>
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<rect key="frame" x="16" y="197.5" width="74" height="18"/>
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<fontDescription key="fontDescription" type="system" pointSize="15"/>
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<color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
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<nil key="highlightedColor"/>
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</label>
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Saturation" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="rry-vh-bRK">
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<rect key="frame" x="16" y="233" width="74" height="18"/>
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<rect key="frame" x="16" y="235.5" width="74" height="18"/>
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<fontDescription key="fontDescription" type="system" pointSize="15"/>
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<color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
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<nil key="highlightedColor"/>
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</label>
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Brightness" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="vTa-ly-eyO">
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<rect key="frame" x="16" y="271" width="74" height="18"/>
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<rect key="frame" x="16" y="273.5" width="74" height="18"/>
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<fontDescription key="fontDescription" type="system" pointSize="15"/>
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<color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
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<nil key="highlightedColor"/>
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</label>
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<slider opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" minValue="0.0" maxValue="359" translatesAutoresizingMaskIntoConstraints="NO" id="YQ6-fq-3Wb">
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<rect key="frame" x="98" y="189" width="263" height="31"/>
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<rect key="frame" x="98" y="191.5" width="263" height="31"/>
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<connections>
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<action selector="hueSliderValueDidChange:" destination="dX3-kR-CYC" eventType="valueChanged" id="9Hy-3h-llE"/>
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</connections>
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</slider>
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<slider opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="1" minValue="0.0" maxValue="1" translatesAutoresizingMaskIntoConstraints="NO" id="xXz-78-tAd">
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<rect key="frame" x="98" y="227" width="263" height="31"/>
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<rect key="frame" x="98" y="229.5" width="263" height="31"/>
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<connections>
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<action selector="saturationSliderValueDidChange:" destination="dX3-kR-CYC" eventType="valueChanged" id="qtU-ua-ZTc"/>
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</connections>
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</slider>
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<slider opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="0.5" minValue="0.0" maxValue="1" translatesAutoresizingMaskIntoConstraints="NO" id="hpy-2d-eOP">
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<rect key="frame" x="98" y="265" width="263" height="31"/>
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<rect key="frame" x="98" y="267.5" width="263" height="31"/>
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<connections>
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<action selector="brightnessSliderValueDidChange:" destination="dX3-kR-CYC" eventType="valueChanged" id="F09-EP-2iD"/>
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</connections>
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@@ -637,34 +637,52 @@
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<rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
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<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<subviews>
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<containerView opaque="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="L5f-tW-lXf">
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<rect key="frame" x="0.0" y="44" width="375" height="311.5"/>
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<connections>
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<segue destination="5Fw-je-9gI" kind="embed" id="YcI-2Z-ijV"/>
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</connections>
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</containerView>
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<containerView opaque="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="6So-f3-4Gp">
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<rect key="frame" x="0.0" y="355.5" width="375" height="311.5"/>
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<connections>
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<segue destination="bLr-DM-i2t" kind="embed" id="OdS-gZ-CUA"/>
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</connections>
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</containerView>
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<stackView opaque="NO" contentMode="scaleToFill" axis="vertical" distribution="fillEqually" translatesAutoresizingMaskIntoConstraints="NO" id="cce-yT-4dn">
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<rect key="frame" x="0.0" y="44" width="375" height="623"/>
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<subviews>
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<containerView opaque="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="L5f-tW-lXf">
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<rect key="frame" x="0.0" y="0.0" width="375" height="311.5"/>
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<connections>
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<segue destination="5Fw-je-9gI" kind="embed" id="YcI-2Z-ijV"/>
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</connections>
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</containerView>
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<containerView opaque="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="6So-f3-4Gp">
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<rect key="frame" x="0.0" y="311.5" width="375" height="311.5"/>
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<connections>
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<segue destination="bLr-DM-i2t" kind="embed" id="OdS-gZ-CUA"/>
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</connections>
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</containerView>
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</subviews>
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</stackView>
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</subviews>
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<color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
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<constraints>
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<constraint firstItem="6So-f3-4Gp" firstAttribute="top" secondItem="L5f-tW-lXf" secondAttribute="bottom" id="3m8-tj-Nd4"/>
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<constraint firstAttribute="trailing" secondItem="6So-f3-4Gp" secondAttribute="trailing" id="4L8-wZ-F59"/>
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<constraint firstItem="L5f-tW-lXf" firstAttribute="height" secondItem="6So-f3-4Gp" secondAttribute="height" id="8XS-L3-hvN"/>
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<constraint firstAttribute="bottom" secondItem="6So-f3-4Gp" secondAttribute="bottom" id="8wL-zm-wnt"/>
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<constraint firstItem="L5f-tW-lXf" firstAttribute="leading" secondItem="6x3-vn-Egt" secondAttribute="leading" id="CbE-2f-7wk"/>
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<constraint firstAttribute="trailing" secondItem="L5f-tW-lXf" secondAttribute="trailing" id="dso-2g-fgA"/>
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<constraint firstItem="6So-f3-4Gp" firstAttribute="leading" secondItem="6x3-vn-Egt" secondAttribute="leading" id="eXM-D3-NLv"/>
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<constraint firstItem="L5f-tW-lXf" firstAttribute="top" secondItem="IML-3o-caw" secondAttribute="bottom" id="zJ5-sE-iJA"/>
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<constraint firstAttribute="trailing" secondItem="cce-yT-4dn" secondAttribute="trailing" id="DE1-u6-1mr"/>
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<constraint firstItem="LNL-mj-D7l" firstAttribute="top" secondItem="cce-yT-4dn" secondAttribute="bottom" id="WIZ-M3-bdr"/>
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<constraint firstItem="cce-yT-4dn" firstAttribute="leading" secondItem="6x3-vn-Egt" secondAttribute="leading" id="ZiS-j0-ANp"/>
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<constraint firstItem="cce-yT-4dn" firstAttribute="top" secondItem="IML-3o-caw" secondAttribute="bottom" id="zjs-CM-7r5"/>
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</constraints>
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</view>
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<extendedEdge key="edgesForExtendedLayout" top="YES"/>
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<navigationItem key="navigationItem" title="Colors" id="7Gd-Ad-Bzu"/>
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<navigationItem key="navigationItem" title="Colors" id="7Gd-Ad-Bzu">
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<rightBarButtonItems>
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<barButtonItem title="▼" width="36" id="aPM-OC-EB8">
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<connections>
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<action selector="toggleBottomContainerView" destination="YOI-b7-Nxn" id="7fn-z6-pne"/>
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</connections>
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</barButtonItem>
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<barButtonItem title="▲" width="36" id="6q3-Zk-A9p">
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<connections>
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<action selector="toggleTopContainerView" destination="YOI-b7-Nxn" id="APN-Kk-C3n"/>
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</connections>
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</barButtonItem>
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</rightBarButtonItems>
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</navigationItem>
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<nil key="simulatedBottomBarMetrics"/>
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<connections>
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<outlet property="bottomContainerView" destination="6So-f3-4Gp" id="C7O-e2-k0l"/>
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<outlet property="topContainerView" destination="L5f-tW-lXf" id="DRV-mm-rBY"/>
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</connections>
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</viewController>
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<placeholder placeholderIdentifier="IBFirstResponder" id="C9h-Ba-WoL" userLabel="First Responder" sceneMemberID="firstResponder"/>
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</objects>
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@@ -700,7 +718,7 @@
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<objects>
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<tableViewController id="3AE-ED-0oj" customClass="ListObserverDemoViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
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<tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="DAz-BE-6Ca">
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<rect key="frame" x="0.0" y="0.0" width="375" height="309"/>
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<rect key="frame" x="0.0" y="0.0" width="375" height="311.5"/>
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<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<prototypes>
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<tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" reuseIdentifier="PaletteTableViewCell" id="G3X-70-BCD" customClass="PaletteTableViewCell" customModule="CoreStoreDemo" customModuleProvider="target">
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@@ -885,11 +903,11 @@
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<viewControllerLayoutGuide type="bottom" id="Q1w-Zn-fPm"/>
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</layoutGuides>
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<view key="view" contentMode="scaleToFill" id="kof-sr-Xm1">
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<rect key="frame" x="0.0" y="0.0" width="375" height="309"/>
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<rect key="frame" x="0.0" y="0.0" width="375" height="311.5"/>
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<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<subviews>
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" verticalCompressionResistancePriority="250" text="SwiftUI is not supported on this device/OS version" textAlignment="center" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" minimumScaleFactor="0.5" adjustsLetterSpacingToFitWidth="YES" translatesAutoresizingMaskIntoConstraints="NO" id="M6C-fv-74B">
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<rect key="frame" x="16" y="124.5" width="343" height="60"/>
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<rect key="frame" x="16" y="126" width="343" height="60"/>
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<fontDescription key="fontDescription" name="HelveticaNeue-Bold" family="Helvetica Neue" pointSize="25"/>
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<color key="textColor" white="0.66666666666666663" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
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<nil key="highlightedColor"/>
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@@ -43,10 +43,10 @@ struct ColorsDemo {
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didSet {
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self.palettes.refetch(
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self.filter.whereClause(),
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OrderBy<Palette>(.ascending(\.hue))
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)
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// self.palettes.refetch(
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// self.filter.whereClause(),
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// OrderBy<Palette>(.ascending(\.hue))
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// )
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}
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}
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@@ -73,9 +73,9 @@ struct ColorsDemo {
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return dataStack
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}()
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static let palettes: ListMonitor<Palette> = {
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static let palettes: LiveList<Palette> = {
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return ColorsDemo.stack.monitorSectionedList(
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return ColorsDemo.stack.liveList(
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From<Palette>()
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.sectionBy(\.colorName)
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.orderBy(.ascending(\.hue))
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@@ -86,15 +86,7 @@ struct ColorsDemo {
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// MARK: - ListObserverDemoViewController
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class ListObserverDemoViewController: UITableViewController, ListSectionObserver {
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// MARK: NSObject
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deinit {
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ColorsDemo.palettes.removeObserver(self)
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}
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class ListObserverDemoViewController: UITableViewController {
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// MARK: UIViewController
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@@ -132,10 +124,26 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
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filterBarButton
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]
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self.filterBarButton = filterBarButton
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ColorsDemo.palettes.addObserver(self)
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self.setTable(enabled: !ColorsDemo.palettes.isPendingRefetch)
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self.dataSource = DiffableDataSource.TableView<Palette>(
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tableView: self.tableView,
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dataStack: ColorsDemo.stack,
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cellProvider: { (tableView, indexPath, palette) in
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let cell = tableView.dequeueReusableCell(withIdentifier: "PaletteTableViewCell") as! PaletteTableViewCell
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cell.colorView?.backgroundColor = palette.color
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cell.label?.text = palette.colorText
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return cell
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}
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)
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ColorsDemo.palettes.addObserver(self) { [weak self] (liveList, snapshot) in
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guard let self = self else {
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return
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}
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self.dataSource?.apply(snapshot, animatingDifferences: true)
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}
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}
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override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
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@@ -153,30 +161,6 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
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}
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// MARK: UITableViewDataSource
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override func numberOfSections(in tableView: UITableView) -> Int {
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return ColorsDemo.palettes.numberOfSections()
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return ColorsDemo.palettes.numberOfObjects(in: section)
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}
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let cell = tableView.dequeueReusableCell(withIdentifier: "PaletteTableViewCell") as! PaletteTableViewCell
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||||
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let palette = ColorsDemo.palettes[indexPath]
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cell.colorView?.backgroundColor = palette.color
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cell.label?.text = palette.colorText
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||||
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return cell
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}
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||||
|
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|
||||
// MARK: UITableViewDelegate
|
||||
|
||||
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
|
||||
@@ -185,7 +169,7 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
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||||
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||||
self.performSegue(
|
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withIdentifier: "ObjectObserverDemoViewController",
|
||||
sender: ColorsDemo.palettes[indexPath]
|
||||
sender: ColorsDemo.palettes[indexPath: indexPath]?.object
|
||||
)
|
||||
}
|
||||
|
||||
@@ -194,11 +178,11 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
|
||||
switch editingStyle {
|
||||
|
||||
case .delete:
|
||||
let palette = ColorsDemo.palettes[indexPath]
|
||||
let palette = ColorsDemo.palettes[indexPath: indexPath]
|
||||
ColorsDemo.stack.perform(
|
||||
asynchronous: { (transaction) in
|
||||
|
||||
transaction.delete(palette)
|
||||
transaction.delete(palette?.object)
|
||||
},
|
||||
completion: { _ in }
|
||||
)
|
||||
@@ -208,81 +192,16 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
|
||||
}
|
||||
}
|
||||
|
||||
override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
|
||||
|
||||
return ColorsDemo.palettes.sectionInfo(at: section).name
|
||||
}
|
||||
|
||||
|
||||
// MARK: ListObserver
|
||||
|
||||
func listMonitorWillChange(_ monitor: ListMonitor<Palette>) {
|
||||
|
||||
self.tableView.beginUpdates()
|
||||
}
|
||||
|
||||
func listMonitorDidChange(_ monitor: ListMonitor<Palette>) {
|
||||
|
||||
self.tableView.endUpdates()
|
||||
}
|
||||
|
||||
func listMonitorWillRefetch(_ monitor: ListMonitor<Palette>) {
|
||||
|
||||
self.setTable(enabled: false)
|
||||
}
|
||||
|
||||
func listMonitorDidRefetch(_ monitor: ListMonitor<Palette>) {
|
||||
|
||||
self.filterBarButton?.title = ColorsDemo.filter.rawValue
|
||||
self.tableView.reloadData()
|
||||
self.setTable(enabled: true)
|
||||
}
|
||||
|
||||
|
||||
// MARK: ListObjectObserver
|
||||
|
||||
func listMonitor(_ monitor: ListMonitor<Palette>, didInsertObject object: Palette, toIndexPath indexPath: IndexPath) {
|
||||
|
||||
self.tableView.insertRows(at: [indexPath], with: .automatic)
|
||||
}
|
||||
|
||||
func listMonitor(_ monitor: ListMonitor<Palette>, didDeleteObject object: Palette, fromIndexPath indexPath: IndexPath) {
|
||||
|
||||
self.tableView.deleteRows(at: [indexPath], with: .automatic)
|
||||
}
|
||||
|
||||
func listMonitor(_ monitor: ListMonitor<Palette>, didUpdateObject object: Palette, atIndexPath indexPath: IndexPath) {
|
||||
|
||||
if let cell = self.tableView.cellForRow(at: indexPath) as? PaletteTableViewCell {
|
||||
|
||||
let palette = ColorsDemo.palettes[indexPath]
|
||||
cell.colorView?.backgroundColor = palette.color
|
||||
cell.label?.text = palette.colorText
|
||||
}
|
||||
}
|
||||
|
||||
func listMonitor(_ monitor: ListMonitor<Palette>, didMoveObject object: Palette, fromIndexPath: IndexPath, toIndexPath: IndexPath) {
|
||||
|
||||
self.tableView.moveRow(at: fromIndexPath, to: toIndexPath)
|
||||
}
|
||||
|
||||
|
||||
// MARK: ListSectionObserver
|
||||
|
||||
func listMonitor(_ monitor: ListMonitor<Palette>, didInsertSection sectionInfo: NSFetchedResultsSectionInfo, toSectionIndex sectionIndex: Int) {
|
||||
|
||||
self.tableView.insertSections(IndexSet(integer: sectionIndex), with: .automatic)
|
||||
}
|
||||
|
||||
func listMonitor(_ monitor: ListMonitor<Palette>, didDeleteSection sectionInfo: NSFetchedResultsSectionInfo, fromSectionIndex sectionIndex: Int) {
|
||||
|
||||
self.tableView.deleteSections(IndexSet(integer: sectionIndex), with: .automatic)
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private var filterBarButton: UIBarButtonItem?
|
||||
private var dataSource: DiffableDataSource.TableView<Palette>?
|
||||
|
||||
deinit {
|
||||
|
||||
ColorsDemo.palettes.removeObserver(self)
|
||||
}
|
||||
|
||||
@IBAction private dynamic func resetBarButtonItemTouched(_ sender: AnyObject?) {
|
||||
|
||||
@@ -313,8 +232,6 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
|
||||
}
|
||||
|
||||
@IBAction private dynamic func shuffleBarButtonItemTouched(_ sender: AnyObject?) {
|
||||
|
||||
self.setTable(enabled: false)
|
||||
ColorsDemo.stack.perform(
|
||||
asynchronous: { (transaction) in
|
||||
|
||||
@@ -324,28 +241,7 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
|
||||
palette.colorName .= nil
|
||||
}
|
||||
},
|
||||
completion: { _ in
|
||||
|
||||
self.setTable(enabled: true)
|
||||
}
|
||||
)
|
||||
}
|
||||
|
||||
private func setTable(enabled: Bool) {
|
||||
|
||||
tableView.isUserInteractionEnabled = enabled
|
||||
UIView.animate(
|
||||
withDuration: 0.2,
|
||||
delay: 0,
|
||||
options: .beginFromCurrentState,
|
||||
animations: { () -> Void in
|
||||
|
||||
if let tableView = self.tableView {
|
||||
|
||||
tableView.alpha = enabled ? 1.0 : 0.5
|
||||
}
|
||||
},
|
||||
completion: nil
|
||||
completion: { _ in }
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -27,4 +27,20 @@ class ObserversViewController: UIViewController {
|
||||
alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
|
||||
self.present(alert, animated: true, completion: nil)
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
@IBOutlet private dynamic weak var topContainerView: UIView?
|
||||
@IBOutlet private dynamic weak var bottomContainerView: UIView?
|
||||
|
||||
@IBAction private dynamic func toggleTopContainerView() {
|
||||
|
||||
self.topContainerView?.isHidden.toggle()
|
||||
}
|
||||
|
||||
@IBAction private dynamic func toggleBottomContainerView() {
|
||||
|
||||
self.bottomContainerView?.isHidden.toggle()
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user