// // PSMTabBarCell.m // PSMTabBarControl // // Created by John Pannell on 10/13/05. // Copyright 2005 Positive Spin Media. All rights reserved. // #import "PSMTabBarCell.h" #import "PSMTabBarControl.h" #import "PSMTabStyle.h" #import "PSMProgressIndicator.h" #import "PSMTabDragAssistant.h" @interface PSMTabBarControl (Private) - (void)update; @end @implementation PSMTabBarCell #pragma mark - #pragma mark Creation/Destruction - (id)initWithControlView:(PSMTabBarControl *)controlView { if ( (self = [super init]) ) { _controlView = controlView; _closeButtonTrackingTag = 0; _cellTrackingTag = 0; _closeButtonOver = NO; _closeButtonPressed = NO; _indicator = [[PSMProgressIndicator alloc] initWithFrame:NSMakeRect(0.0f,0.0f,kPSMTabBarIndicatorWidth,kPSMTabBarIndicatorWidth)]; [_indicator setStyle:NSProgressIndicatorSpinningStyle]; [_indicator setAutoresizingMask:NSViewMinYMargin]; _hasCloseButton = YES; _isCloseButtonSuppressed = NO; _count = 0; _countColor = nil; _isEdited = NO; _isPlaceholder = NO; } return self; } - (id)initPlaceholderWithFrame:(NSRect)frame expanded:(BOOL)value inControlView:(PSMTabBarControl *)controlView { if ( (self = [super init]) ) { _controlView = controlView; _isPlaceholder = YES; if (!value) { if ([controlView orientation] == PSMTabBarHorizontalOrientation) { frame.size.width = 0.0f; } else { frame.size.height = 0.0f; } } [self setFrame:frame]; _closeButtonTrackingTag = 0; _cellTrackingTag = 0; _closeButtonOver = NO; _closeButtonPressed = NO; _indicator = nil; _hasCloseButton = YES; _isCloseButtonSuppressed = NO; _count = 0; _countColor = nil; _isEdited = NO; if (value) { [self setCurrentStep:(kPSMTabDragAnimationSteps - 1)]; } else { [self setCurrentStep:0]; } } return self; } - (void)dealloc { [_countColor release]; [_indicator removeFromSuperviewWithoutNeedingDisplay]; [_indicator release]; [super dealloc]; } #pragma mark - #pragma mark Accessors - (id)controlView { return _controlView; } - (void)setControlView:(id)view { // no retain release pattern, as this simply switches a tab to another view. _controlView = view; } - (NSTrackingRectTag)closeButtonTrackingTag { return _closeButtonTrackingTag; } - (void)setCloseButtonTrackingTag:(NSTrackingRectTag)tag { _closeButtonTrackingTag = tag; } - (NSTrackingRectTag)cellTrackingTag { return _cellTrackingTag; } - (void)setCellTrackingTag:(NSTrackingRectTag)tag { _cellTrackingTag = tag; } - (CGFloat)width { return _frame.size.width; } - (NSRect)frame { return _frame; } - (void)setFrame:(NSRect)rect { _frame = rect; //move the status indicator along with the rest of the cell if (![[self indicator] isHidden] && ![_controlView isTabBarHidden]) { [[self indicator] setFrame:[self indicatorRectForFrame:rect]]; } } - (void)setStringValue:(NSString *)aString { [super setStringValue:aString]; _stringSize = [[self attributedStringValue] size]; // need to redisplay now - binding observation was too quick. [_controlView update]; } - (NSSize)stringSize { return _stringSize; } - (NSAttributedString *)attributedStringValue { return [(id <PSMTabStyle>)[_controlView style] attributedStringValueForTabCell:self]; } - (NSInteger)tabState { return _tabState; } - (void)setTabState:(NSInteger)state { _tabState = state; } - (NSProgressIndicator *)indicator { return _indicator; } - (BOOL)isInOverflowMenu { return _isInOverflowMenu; } - (void)setIsInOverflowMenu:(BOOL)value { if (_isInOverflowMenu != value) { _isInOverflowMenu = value; if ([[[self controlView] delegate] respondsToSelector:@selector(tabView:tabViewItem:isInOverflowMenu:)]) { [[[self controlView] delegate] tabView:[self controlView] tabViewItem:[self representedObject] isInOverflowMenu:_isInOverflowMenu]; } } } - (BOOL)closeButtonPressed { return _closeButtonPressed; } - (void)setCloseButtonPressed:(BOOL)value { _closeButtonPressed = value; } - (BOOL)closeButtonOver { return (_closeButtonOver && ([_controlView allowsBackgroundTabClosing] || ([self tabState] & PSMTab_SelectedMask) || [[NSApp currentEvent] modifierFlags] & NSCommandKeyMask)); } - (void)setCloseButtonOver:(BOOL)value { _closeButtonOver = value; } - (BOOL)hasCloseButton { return _hasCloseButton; } - (void)setHasCloseButton:(BOOL)set; { _hasCloseButton = set; } - (void)setCloseButtonSuppressed:(BOOL)suppress; { _isCloseButtonSuppressed = suppress; } - (BOOL)isCloseButtonSuppressed; { return _isCloseButtonSuppressed; } - (BOOL)hasIcon { return _hasIcon; } - (void)setHasIcon:(BOOL)value { _hasIcon = value; //[_controlView update:[[self controlView] automaticallyAnimates]]; // binding notice is too fast } - (BOOL)hasLargeImage { return _hasLargeImage; } - (void)setHasLargeImage:(BOOL)value { _hasLargeImage = value; } - (NSInteger)count { return _count; } - (void)setCount:(NSInteger)value { _count = value; //[_controlView update:[[self controlView] automaticallyAnimates]]; // binding notice is too fast } - (NSColor *)countColor { return _countColor; } - (void)setCountColor:(NSColor *)color { [_countColor release]; _countColor = [color retain]; } - (BOOL)isPlaceholder { return _isPlaceholder; } - (void)setIsPlaceholder:(BOOL)value; { _isPlaceholder = value; } - (NSInteger)currentStep { return _currentStep; } - (void)setCurrentStep:(NSInteger)value { if(value < 0) value = 0; if(value > (kPSMTabDragAnimationSteps - 1)) value = (kPSMTabDragAnimationSteps - 1); _currentStep = value; } - (BOOL)isEdited { return _isEdited; } - (void)setIsEdited:(BOOL)value { _isEdited = value; //[_controlView update:[[self controlView] automaticallyAnimates]]; // binding notice is too fast } #pragma mark - #pragma mark Bindings - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { // the progress indicator, label, icon, or count has changed - redraw the control view //[_controlView update]; //I seem to have run into some odd issue with update not being called at the right time. This seems to avoid the problem. [_controlView performSelector:@selector(update) withObject:nil afterDelay:0.0]; } #pragma mark - #pragma mark Component Attributes - (NSRect)indicatorRectForFrame:(NSRect)cellFrame { return [(id <PSMTabStyle>)[_controlView style] indicatorRectForTabCell:self]; } - (NSRect)closeButtonRectForFrame:(NSRect)cellFrame { return [(id <PSMTabStyle>)[_controlView style] closeButtonRectForTabCell:self withFrame:cellFrame]; } - (CGFloat)minimumWidthOfCell { return [(id <PSMTabStyle>)[_controlView style] minimumWidthOfTabCell:self]; } - (CGFloat)desiredWidthOfCell { return [(id <PSMTabStyle>)[_controlView style] desiredWidthOfTabCell:self]; } #pragma mark - #pragma mark Drawing - (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView { if (_isPlaceholder) { if (![_controlView usesSafariStyleDragging]) { [[NSColor colorWithCalibratedWhite:0.0f alpha:0.2f] set]; NSRectFillUsingOperation(cellFrame, NSCompositeSourceAtop); } return; } [(id <PSMTabStyle>)[_controlView style] drawTabCell:self]; } #pragma mark - #pragma mark Tracking - (void)mouseEntered:(NSEvent *)theEvent { // check for which tag if ([theEvent trackingNumber] == _closeButtonTrackingTag) { _closeButtonOver = YES; } if ([theEvent trackingNumber] == _cellTrackingTag) { [self setHighlighted:YES]; [_controlView setNeedsDisplay:NO]; } // scrubtastic if ([_controlView allowsScrubbing] && ([theEvent modifierFlags] & NSAlternateKeyMask)) [_controlView tabClick:self]; // tell the control we only need to redraw the affected tab [_controlView setNeedsDisplayInRect:NSInsetRect([self frame], -2, -2)]; } - (void)mouseExited:(NSEvent *)theEvent { // check for which tag if ([theEvent trackingNumber] == _closeButtonTrackingTag) { _closeButtonOver = NO; } if ([theEvent trackingNumber] == _cellTrackingTag) { [self setHighlighted:NO]; [_controlView setNeedsDisplay:NO]; } //tell the control we only need to redraw the affected tab [_controlView setNeedsDisplayInRect:NSInsetRect([self frame], -2, -2)]; } #pragma mark - #pragma mark Drag Support - (NSImage *)dragImage { NSRect cellFrame = [(id <PSMTabStyle>)[(PSMTabBarControl *)_controlView style] dragRectForTabCell:self orientation:(PSMTabBarOrientation)[(PSMTabBarControl *)_controlView orientation]]; //NSRect cellFrame = [self frame]; // Determine the target coordinates to draw into NSRect oldFrame = [self frame]; NSRect tabDrawFrame = oldFrame; tabDrawFrame.origin.x -= cellFrame.origin.x; // Draw the tab into a new image NSImage *image = [[[NSImage alloc] initWithSize:cellFrame.size] autorelease]; #if __MAC_OS_X_VERSION_MIN_REQUIRED < 1060 [image setFlipped:YES]; [image lockFocus]; #else [image lockFocusFlipped:YES]; #endif [self setFrame:tabDrawFrame]; [(id <PSMTabStyle>)[(PSMTabBarControl *)_controlView style] drawTabCell:self]; [self setFrame:oldFrame]; [image unlockFocus]; // Add the indicator if appropriate if (![[self indicator] isHidden]) { NSImage *pieImage = [[NSImage alloc] initByReferencingFile:[[PSMTabBarControl bundle] pathForImageResource:@"pi"]]; [image lockFocus]; NSPoint indicatorPoint = NSMakePoint([self frame].size.width - MARGIN_X - kPSMTabBarIndicatorWidth, MARGIN_Y); [pieImage compositeToPoint:indicatorPoint operation:NSCompositeSourceOver fraction:1.0f]; [image unlockFocus]; [pieImage release]; } return image; } #pragma mark - #pragma mark Archiving - (void)encodeWithCoder:(NSCoder *)aCoder { [super encodeWithCoder:aCoder]; if ([aCoder allowsKeyedCoding]) { [aCoder encodeRect:_frame forKey:@"frame"]; [aCoder encodeSize:_stringSize forKey:@"stringSize"]; [aCoder encodeInteger:_currentStep forKey:@"currentStep"]; [aCoder encodeBool:_isPlaceholder forKey:@"isPlaceholder"]; [aCoder encodeInteger:_tabState forKey:@"tabState"]; [aCoder encodeInteger:_closeButtonTrackingTag forKey:@"closeButtonTrackingTag"]; [aCoder encodeInteger:_cellTrackingTag forKey:@"cellTrackingTag"]; [aCoder encodeBool:_closeButtonOver forKey:@"closeButtonOver"]; [aCoder encodeBool:_closeButtonPressed forKey:@"closeButtonPressed"]; [aCoder encodeObject:_indicator forKey:@"indicator"]; [aCoder encodeBool:_isInOverflowMenu forKey:@"isInOverflowMenu"]; [aCoder encodeBool:_hasCloseButton forKey:@"hasCloseButton"]; [aCoder encodeBool:_isCloseButtonSuppressed forKey:@"isCloseButtonSuppressed"]; [aCoder encodeBool:_hasIcon forKey:@"hasIcon"]; [aCoder encodeBool:_hasLargeImage forKey:@"hasLargeImage"]; [aCoder encodeInteger:_count forKey:@"count"]; [aCoder encodeBool:_isEdited forKey:@"isEdited"]; } } - (id)initWithCoder:(NSCoder *)aDecoder { self = [super initWithCoder:aDecoder]; if (self) { if ([aDecoder allowsKeyedCoding]) { _frame = [aDecoder decodeRectForKey:@"frame"]; _stringSize = [aDecoder decodeSizeForKey:@"stringSize"]; _currentStep = [aDecoder decodeIntegerForKey:@"currentStep"]; _isPlaceholder = [aDecoder decodeBoolForKey:@"isPlaceholder"]; _tabState = [aDecoder decodeIntegerForKey:@"tabState"]; _closeButtonTrackingTag = [aDecoder decodeIntegerForKey:@"closeButtonTrackingTag"]; _cellTrackingTag = [aDecoder decodeIntegerForKey:@"cellTrackingTag"]; _closeButtonOver = [aDecoder decodeBoolForKey:@"closeButtonOver"]; _closeButtonPressed = [aDecoder decodeBoolForKey:@"closeButtonPressed"]; _indicator = [[aDecoder decodeObjectForKey:@"indicator"] retain]; _isInOverflowMenu = [aDecoder decodeBoolForKey:@"isInOverflowMenu"]; _hasCloseButton = [aDecoder decodeBoolForKey:@"hasCloseButton"]; _isCloseButtonSuppressed = [aDecoder decodeBoolForKey:@"isCloseButtonSuppressed"]; _hasIcon = [aDecoder decodeBoolForKey:@"hasIcon"]; _hasLargeImage = [aDecoder decodeBoolForKey:@"hasLargeImage"]; _count = [aDecoder decodeIntegerForKey:@"count"]; _isEdited = [aDecoder decodeBoolForKey:@"isEdited"]; } } return self; } #pragma mark - #pragma mark Accessibility -(BOOL)accessibilityIsIgnored { return NO; } - (id)accessibilityAttributeValue:(NSString *)attribute { id attributeValue = nil; if ([attribute isEqualToString: NSAccessibilityRoleAttribute]) { attributeValue = NSAccessibilityButtonRole; } else if ([attribute isEqualToString: NSAccessibilityHelpAttribute]) { if ([[[self controlView] delegate] respondsToSelector:@selector(accessibilityStringForTabView:objectCount:)]) { attributeValue = [NSString stringWithFormat:@"%@, %lu %@", [self stringValue], (unsigned long)[self count], [[[self controlView] delegate] accessibilityStringForTabView:[[self controlView] tabView] objectCount:[self count]]]; } else { attributeValue = [self stringValue]; } } else if ([attribute isEqualToString: NSAccessibilityFocusedAttribute]) { attributeValue = [NSNumber numberWithBool:([self tabState] == 2)]; } else { attributeValue = [super accessibilityAttributeValue:attribute]; } return attributeValue; } - (NSArray *)accessibilityActionNames { static NSArray *actions; if (!actions) { actions = [[NSArray alloc] initWithObjects:NSAccessibilityPressAction, nil]; } return actions; } - (NSString *)accessibilityActionDescription:(NSString *)action { return NSAccessibilityActionDescription(action); } - (void)accessibilityPerformAction:(NSString *)action { if ([action isEqualToString:NSAccessibilityPressAction]) { // this tab was selected [_controlView tabClick:self]; } } - (id)accessibilityHitTest:(NSPoint)point { return NSAccessibilityUnignoredAncestor(self); } - (id)accessibilityFocusedUIElement:(NSPoint)point { return NSAccessibilityUnignoredAncestor(self); } @end