added cpviewanimation

2026-09-30 14:17:40 +00:00 · 2010-01-23 23:31:40 -08:00
parent dc0439227e
commit c6a4eb28a8
1 changed files with 184 additions and 0 deletions
@@ -0,0 +1,184 @@
+/*
+ * CPViewAnimation.j
+ *
+ * Created by Klaas Pieter Annema on September 3, 2009.
+ * Copyright 2009, Sofa BV
+ */
+
+
+@import <AppKit/CPAnimation.j>
+
+CPViewAnimationTargetKey = @"CPViewAnimationTarget";
+CPViewAnimationStartFrameKey = @"CPViewAnimationStartFrame";
+CPViewAnimationEndFrameKey = @"CPViewAnimationEndFrame";
+CPViewAnimationEffectKey = @"CPViewAnimationEffect";
+
+CPViewAnimationFadeInEffect = @"CPViewAnimationFadeIn";
+CPViewAnimationFadeOutEffect = @"CPViewAnimationFadeOut";
+
+@implementation CPViewAnimation : CPAnimation
+{
+	CPArray			_viewAnimations;
+}
+
+- (id)initWithViewAnimations:(CPArray)viewAnimations
+{
+	if(self = [super initWithDuration:0.5 animationCurve:CPAnimationLinear])
+	{
+		[self setViewAnimations:viewAnimations];
+	}
+	return self;
+}
+
+// =============
+// = ANIMATION =
+// =============
+- (void)startAnimation
+{
+	var animationIndex = [_viewAnimations count];
+		
+	while (animationIndex--)
+	{
+		var dictionary = [_viewAnimations objectAtIndex:animationIndex];
+		
+		var view = [self _targetView:dictionary],
+			startFrame = [self _startFrame:dictionary];
+			
+		[view setFrame:startFrame];
+		
+		var effect = [self _effect:dictionary];
+		
+		if (effect === CPViewAnimationFadeInEffect)
+		{
+			[view setAlphaValue:0.0];
+			[view setHidden:NO];
+		}
+		else if (effect === CPViewAnimationFadeOutEffect)
+			[view setAlphaValue:1.0];
+	}
+	
+	[super startAnimation];
+}
+
+- (void)setCurrentProgress:(NSAnimationProgress)progress
+{
+	[super setCurrentProgress:progress];
+	
+	var animationIndex = [_viewAnimations count];
+	while (animationIndex--)
+	{
+		var dictionary = [_viewAnimations objectAtIndex:animationIndex];
+		
+		// Update the view's frame
+		var view = [self _targetView:dictionary]
+			startFrame = [self _startFrame:dictionary]
+			endFrame = [self _endFrame:dictionary]
+			differenceFrame = CPRectMakeZero();
+			
+		differenceFrame.origin.x = endFrame.origin.x - startFrame.origin.x;
+		differenceFrame.origin.y = endFrame.origin.y - startFrame.origin.y;
+		differenceFrame.size.width = endFrame.size.width - startFrame.size.width;
+		differenceFrame.size.height = endFrame.size.height - startFrame.size.height;
+		
+		var intermediateFrame = CPRectMakeZero();
+		intermediateFrame.origin.x = startFrame.origin.x + differenceFrame.origin.x * progress;
+		intermediateFrame.origin.y = startFrame.origin.y + differenceFrame.origin.y * progress;
+		intermediateFrame.size.width = startFrame.size.width + differenceFrame.size.width * progress;
+		intermediateFrame.size.height = startFrame.size.height + differenceFrame.size.height * progress;
+		
+		[view setFrame:intermediateFrame];
+		
+		// Update the view's alpha value
+		var effect = [self _effect:dictionary];
+		
+		if (effect === CPViewAnimationFadeInEffect)
+			[view setAlphaValue:1.0 * progress];
+		else if (effect === CPViewAnimationFadeOutEffect)
+			[view setAlphaValue:1.0 + ( 0.0 - 1.0 ) * progress];
+			
+		if (progress === 1.0)
+			[view setHidden:CPRectIsNull(endFrame) || [view alphaValue] === 0.0];
+	}
+}
+
+- (void)stopAnimation
+{
+	var animationIndex = [_viewAnimations count];
+	while (animationIndex--)
+	{
+		var dictionary = [_viewAnimations objectAtIndex:animationIndex];
+		
+		var view = [self _targetView:dictionary],
+			endFrame = [self _endFrame:dictionary];
+			
+		[view setFrame:endFrame];
+		
+		var effect = [self _effect:dictionary];
+		
+		if (effect === CPViewAnimationFadeInEffect)
+			[view setAlphaValue:1.0];
+		else if (effect === CPViewAnimationFadeOutEffect)
+			[view setAlphaValue:0.0];
+			
+		[view setHidden:CPRectIsNull(endFrame) || [view alphaValue] === 0.0];
+	}
+	
+	[super stopAnimation];
+}
+
+// ===============
+// = CONVENIENCE =
+// ===============
+- (id)_targetView:(CPDictionary)dictionary
+{
+	var targetView = [dictionary valueForKey:CPViewAnimationTargetKey];
+	
+	if (!targetView)
+		[CPException raise:CPInternalInconsistencyException reason:[CPString stringWithFormat:@"view animation: %@ does not have a target view", [dictionary description]]];
+		
+	return targetView;
+}
+
+- (CPRect)_startFrame:(CPDictionary)dictionary
+{
+	var startFrame = [dictionary valueForKey:CPViewAnimationStartFrameKey];
+	
+	if (!startFrame)
+		return [[self _targetView:dictionary] frame];
+	
+	return startFrame;
+}
+
+- (CPRect)_endFrame:(CPDictionary)dictionary
+{
+	var endFrame = [dictionary valueForKey:CPViewAnimationEndFrameKey];
+	
+	if (!endFrame)
+		return [[self _targetView:dictionary] frame];
+		
+	return endFrame;
+}
+
+- (CPString)_effect:(CPDictionary)dictionary
+{
+	return [dictionary valueForKey:CPViewAnimationEffectKey];
+}
+
+// =============
+// = ACCESSORS =
+// =============
+- (CPArray)viewAnimations
+{
+	return _viewAnimations;
+}
+
+- (void)setViewAnimations:(CPArray)viewAnimations
+{
+	if (viewAnimations != _viewAnimations)
+	{
+		[self stopAnimation];
+		_viewAnimations = [viewAnimations copy];
+	}
+}
+
+@end