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							| @@ -0,0 +1,256 @@ | ||||
| // | ||||
| //  FLEXExplorerToolbar.m | ||||
| //  Flipboard | ||||
| // | ||||
| //  Created by Ryan Olson on 4/4/14. | ||||
| //  Copyright (c) 2020 FLEX Team. All rights reserved. | ||||
| // | ||||
|  | ||||
| #import "FLEXColor.h" | ||||
| #import "FLEXExplorerToolbar.h" | ||||
| #import "FLEXExplorerToolbarItem.h" | ||||
| #import "FLEXResources.h" | ||||
| #import "FLEXUtility.h" | ||||
|  | ||||
| @interface FLEXExplorerToolbar () | ||||
|  | ||||
| @property (nonatomic, readwrite) FLEXExplorerToolbarItem *globalsItem; | ||||
| @property (nonatomic, readwrite) FLEXExplorerToolbarItem *hierarchyItem; | ||||
| @property (nonatomic, readwrite) FLEXExplorerToolbarItem *selectItem; | ||||
| @property (nonatomic, readwrite) FLEXExplorerToolbarItem *recentItem; | ||||
| @property (nonatomic, readwrite) FLEXExplorerToolbarItem *moveItem; | ||||
| @property (nonatomic, readwrite) FLEXExplorerToolbarItem *closeItem; | ||||
| @property (nonatomic, readwrite) UIView *dragHandle; | ||||
|  | ||||
| @property (nonatomic) UIImageView *dragHandleImageView; | ||||
|  | ||||
| @property (nonatomic) UIView *selectedViewDescriptionContainer; | ||||
| @property (nonatomic) UIView *selectedViewDescriptionSafeAreaContainer; | ||||
| @property (nonatomic) UIView *selectedViewColorIndicator; | ||||
| @property (nonatomic) UILabel *selectedViewDescriptionLabel; | ||||
|  | ||||
| @property (nonatomic,readwrite) UIView *backgroundView; | ||||
|  | ||||
| @end | ||||
|  | ||||
| @implementation FLEXExplorerToolbar | ||||
|  | ||||
| - (id)initWithFrame:(CGRect)frame { | ||||
|     self = [super initWithFrame:frame]; | ||||
|     if (self) { | ||||
|         // Background | ||||
|         self.backgroundView = [UIView new]; | ||||
|         self.backgroundView.backgroundColor = [FLEXColor secondaryBackgroundColorWithAlpha:0.95]; | ||||
|         [self addSubview:self.backgroundView]; | ||||
|  | ||||
|         // Drag handle | ||||
|         self.dragHandle = [UIView new]; | ||||
|         self.dragHandle.backgroundColor = UIColor.clearColor; | ||||
|         self.dragHandleImageView = [[UIImageView alloc] initWithImage:FLEXResources.dragHandle]; | ||||
|         self.dragHandleImageView.tintColor = [FLEXColor.iconColor colorWithAlphaComponent:0.666]; | ||||
|         [self.dragHandle addSubview:self.dragHandleImageView]; | ||||
|         [self addSubview:self.dragHandle]; | ||||
|          | ||||
|         // Buttons | ||||
|         self.globalsItem   = [FLEXExplorerToolbarItem itemWithTitle:@"menu" image:FLEXResources.globalsIcon]; | ||||
|         self.hierarchyItem = [FLEXExplorerToolbarItem itemWithTitle:@"views" image:FLEXResources.hierarchyIcon]; | ||||
|         self.selectItem    = [FLEXExplorerToolbarItem itemWithTitle:@"select" image:FLEXResources.selectIcon]; | ||||
|         self.recentItem    = [FLEXExplorerToolbarItem itemWithTitle:@"recent" image:FLEXResources.recentIcon]; | ||||
|         self.moveItem      = [FLEXExplorerToolbarItem itemWithTitle:@"move" image:FLEXResources.moveIcon sibling:self.recentItem]; | ||||
|         self.closeItem     = [FLEXExplorerToolbarItem itemWithTitle:@"close" image:FLEXResources.closeIcon]; | ||||
|  | ||||
|         // Selected view box // | ||||
|          | ||||
|         self.selectedViewDescriptionContainer = [UIView new]; | ||||
|         self.selectedViewDescriptionContainer.backgroundColor = [FLEXColor tertiaryBackgroundColorWithAlpha:0.95]; | ||||
|         self.selectedViewDescriptionContainer.hidden = YES; | ||||
|         [self addSubview:self.selectedViewDescriptionContainer]; | ||||
|  | ||||
|         self.selectedViewDescriptionSafeAreaContainer = [UIView new]; | ||||
|         self.selectedViewDescriptionSafeAreaContainer.backgroundColor = UIColor.clearColor; | ||||
|         [self.selectedViewDescriptionContainer addSubview:self.selectedViewDescriptionSafeAreaContainer]; | ||||
|          | ||||
|         self.selectedViewColorIndicator = [UIView new]; | ||||
|         self.selectedViewColorIndicator.backgroundColor = UIColor.redColor; | ||||
|         [self.selectedViewDescriptionSafeAreaContainer addSubview:self.selectedViewColorIndicator]; | ||||
|          | ||||
|         self.selectedViewDescriptionLabel = [UILabel new]; | ||||
|         self.selectedViewDescriptionLabel.backgroundColor = UIColor.clearColor; | ||||
|         self.selectedViewDescriptionLabel.font = [[self class] descriptionLabelFont]; | ||||
|         [self.selectedViewDescriptionSafeAreaContainer addSubview:self.selectedViewDescriptionLabel]; | ||||
|          | ||||
|         // toolbarItems | ||||
|         self.toolbarItems = @[_globalsItem, _hierarchyItem, _selectItem, _moveItem, _closeItem]; | ||||
|     } | ||||
|  | ||||
|     return self; | ||||
| } | ||||
|  | ||||
| - (void)layoutSubviews { | ||||
|     [super layoutSubviews]; | ||||
|  | ||||
|  | ||||
|     CGRect safeArea = [self safeArea]; | ||||
|     // Drag Handle | ||||
|     const CGFloat kToolbarItemHeight = [[self class] toolbarItemHeight]; | ||||
|     self.dragHandle.frame = CGRectMake(CGRectGetMinX(safeArea), CGRectGetMinY(safeArea), [[self class] dragHandleWidth], kToolbarItemHeight); | ||||
|     CGRect dragHandleImageFrame = self.dragHandleImageView.frame; | ||||
|     dragHandleImageFrame.origin.x = FLEXFloor((self.dragHandle.frame.size.width - dragHandleImageFrame.size.width) / 2.0); | ||||
|     dragHandleImageFrame.origin.y = FLEXFloor((self.dragHandle.frame.size.height - dragHandleImageFrame.size.height) / 2.0); | ||||
|     self.dragHandleImageView.frame = dragHandleImageFrame; | ||||
|      | ||||
|      | ||||
|     // Toolbar Items | ||||
|     CGFloat originX = CGRectGetMaxX(self.dragHandle.frame); | ||||
|     CGFloat originY = CGRectGetMinY(safeArea); | ||||
|     CGFloat height = kToolbarItemHeight; | ||||
|     CGFloat width = FLEXFloor((CGRectGetWidth(safeArea) - CGRectGetWidth(self.dragHandle.frame)) / self.toolbarItems.count); | ||||
|     for (FLEXExplorerToolbarItem *toolbarItem in self.toolbarItems) { | ||||
|         toolbarItem.currentItem.frame = CGRectMake(originX, originY, width, height); | ||||
|         originX = CGRectGetMaxX(toolbarItem.currentItem.frame); | ||||
|     } | ||||
|      | ||||
|     // Make sure the last toolbar item goes to the edge to account for any accumulated rounding effects. | ||||
|     UIView *lastToolbarItem = self.toolbarItems.lastObject.currentItem; | ||||
|     CGRect lastToolbarItemFrame = lastToolbarItem.frame; | ||||
|     lastToolbarItemFrame.size.width = CGRectGetMaxX(safeArea) - lastToolbarItemFrame.origin.x; | ||||
|     lastToolbarItem.frame = lastToolbarItemFrame; | ||||
|  | ||||
|     self.backgroundView.frame = CGRectMake(0, 0, CGRectGetWidth(self.bounds), kToolbarItemHeight); | ||||
|      | ||||
|     const CGFloat kSelectedViewColorDiameter = [[self class] selectedViewColorIndicatorDiameter]; | ||||
|     const CGFloat kDescriptionLabelHeight = [[self class] descriptionLabelHeight]; | ||||
|     const CGFloat kHorizontalPadding = [[self class] horizontalPadding]; | ||||
|     const CGFloat kDescriptionVerticalPadding = [[self class] descriptionVerticalPadding]; | ||||
|     const CGFloat kDescriptionContainerHeight = [[self class] descriptionContainerHeight]; | ||||
|      | ||||
|     CGRect descriptionContainerFrame = CGRectZero; | ||||
|     descriptionContainerFrame.size.width = CGRectGetWidth(self.bounds); | ||||
|     descriptionContainerFrame.size.height = kDescriptionContainerHeight; | ||||
|     descriptionContainerFrame.origin.x = CGRectGetMinX(self.bounds); | ||||
|     descriptionContainerFrame.origin.y = CGRectGetMaxY(self.bounds) - kDescriptionContainerHeight; | ||||
|     self.selectedViewDescriptionContainer.frame = descriptionContainerFrame; | ||||
|  | ||||
|     CGRect descriptionSafeAreaContainerFrame = CGRectZero; | ||||
|     descriptionSafeAreaContainerFrame.size.width = CGRectGetWidth(safeArea); | ||||
|     descriptionSafeAreaContainerFrame.size.height = kDescriptionContainerHeight; | ||||
|     descriptionSafeAreaContainerFrame.origin.x = CGRectGetMinX(safeArea); | ||||
|     descriptionSafeAreaContainerFrame.origin.y = CGRectGetMinY(safeArea); | ||||
|     self.selectedViewDescriptionSafeAreaContainer.frame = descriptionSafeAreaContainerFrame; | ||||
|  | ||||
|     // Selected View Color | ||||
|     CGRect selectedViewColorFrame = CGRectZero; | ||||
|     selectedViewColorFrame.size.width = kSelectedViewColorDiameter; | ||||
|     selectedViewColorFrame.size.height = kSelectedViewColorDiameter; | ||||
|     selectedViewColorFrame.origin.x = kHorizontalPadding; | ||||
|     selectedViewColorFrame.origin.y = FLEXFloor((kDescriptionContainerHeight - kSelectedViewColorDiameter) / 2.0); | ||||
|     self.selectedViewColorIndicator.frame = selectedViewColorFrame; | ||||
|     self.selectedViewColorIndicator.layer.cornerRadius = ceil(selectedViewColorFrame.size.height / 2.0); | ||||
|      | ||||
|     // Selected View Description | ||||
|     CGRect descriptionLabelFrame = CGRectZero; | ||||
|     CGFloat descriptionOriginX = CGRectGetMaxX(selectedViewColorFrame) + kHorizontalPadding; | ||||
|     descriptionLabelFrame.size.height = kDescriptionLabelHeight; | ||||
|     descriptionLabelFrame.origin.x = descriptionOriginX; | ||||
|     descriptionLabelFrame.origin.y = kDescriptionVerticalPadding; | ||||
|     descriptionLabelFrame.size.width = CGRectGetMaxX(self.selectedViewDescriptionContainer.bounds) - kHorizontalPadding - descriptionOriginX; | ||||
|     self.selectedViewDescriptionLabel.frame = descriptionLabelFrame; | ||||
| } | ||||
|  | ||||
|  | ||||
| #pragma mark - Setter Overrides | ||||
|  | ||||
| - (void)setToolbarItems:(NSArray<FLEXExplorerToolbarItem *> *)toolbarItems { | ||||
|     if (_toolbarItems == toolbarItems) { | ||||
|         return; | ||||
|     } | ||||
|      | ||||
|     // Remove old toolbar items, if any | ||||
|     for (FLEXExplorerToolbarItem *item in _toolbarItems) { | ||||
|         [item.currentItem removeFromSuperview]; | ||||
|     } | ||||
|      | ||||
|     // Trim to 5 items if necessary | ||||
|     if (toolbarItems.count > 5) { | ||||
|         toolbarItems = [toolbarItems subarrayWithRange:NSMakeRange(0, 5)]; | ||||
|     } | ||||
|  | ||||
|     for (FLEXExplorerToolbarItem *item in toolbarItems) { | ||||
|         [self addSubview:item.currentItem]; | ||||
|     } | ||||
|  | ||||
|     _toolbarItems = toolbarItems.copy; | ||||
|  | ||||
|     // Lay out new items | ||||
|     [self setNeedsLayout]; | ||||
|     [self layoutIfNeeded]; | ||||
| } | ||||
|  | ||||
| - (void)setSelectedViewOverlayColor:(UIColor *)selectedViewOverlayColor { | ||||
|     if (![_selectedViewOverlayColor isEqual:selectedViewOverlayColor]) { | ||||
|         _selectedViewOverlayColor = selectedViewOverlayColor; | ||||
|         self.selectedViewColorIndicator.backgroundColor = selectedViewOverlayColor; | ||||
|     } | ||||
| } | ||||
|  | ||||
| - (void)setSelectedViewDescription:(NSString *)selectedViewDescription { | ||||
|     if (![_selectedViewDescription isEqual:selectedViewDescription]) { | ||||
|         _selectedViewDescription = selectedViewDescription; | ||||
|         self.selectedViewDescriptionLabel.text = selectedViewDescription; | ||||
|         BOOL showDescription = selectedViewDescription.length > 0; | ||||
|         self.selectedViewDescriptionContainer.hidden = !showDescription; | ||||
|     } | ||||
| } | ||||
|  | ||||
|  | ||||
| #pragma mark - Sizing Convenience Methods | ||||
|  | ||||
| + (UIFont *)descriptionLabelFont { | ||||
|     return [UIFont systemFontOfSize:12.0]; | ||||
| } | ||||
|  | ||||
| + (CGFloat)toolbarItemHeight { | ||||
|     return 44.0; | ||||
| } | ||||
|  | ||||
| + (CGFloat)dragHandleWidth { | ||||
|     return FLEXResources.dragHandle.size.width; | ||||
| } | ||||
|  | ||||
| + (CGFloat)descriptionLabelHeight { | ||||
|     return ceil([[self descriptionLabelFont] lineHeight]); | ||||
| } | ||||
|  | ||||
| + (CGFloat)descriptionVerticalPadding { | ||||
|     return 2.0; | ||||
| } | ||||
|  | ||||
| + (CGFloat)descriptionContainerHeight { | ||||
|     return [self descriptionVerticalPadding] * 2.0 + [self descriptionLabelHeight]; | ||||
| } | ||||
|  | ||||
| + (CGFloat)selectedViewColorIndicatorDiameter { | ||||
|     return ceil([self descriptionLabelHeight] / 2.0); | ||||
| } | ||||
|  | ||||
| + (CGFloat)horizontalPadding { | ||||
|     return 11.0; | ||||
| } | ||||
|  | ||||
| - (CGSize)sizeThatFits:(CGSize)size { | ||||
|     CGFloat height = 0.0; | ||||
|     height += [[self class] toolbarItemHeight]; | ||||
|     height += [[self class] descriptionContainerHeight]; | ||||
|     return CGSizeMake(size.width, height); | ||||
| } | ||||
|  | ||||
| - (CGRect)safeArea { | ||||
|     CGRect safeArea = self.bounds; | ||||
|     if (@available(iOS 11.0, *)) { | ||||
|         safeArea = UIEdgeInsetsInsetRect(self.bounds, self.safeAreaInsets); | ||||
|     } | ||||
|  | ||||
|     return safeArea; | ||||
| } | ||||
|  | ||||
| @end | ||||
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