Initial commit

.gitignore

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+.DS_Store
+build
+*.mode1v3
+*.pbxuser
+*.perspectivev3
+*.xcworkspace
+xcuserdata

.gitmodules

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+[submodule "Demo/SSToolkit"]
+	path = Demo/SSToolkit
+	url = git://github.com/samsoffes/sstoolkit.git

Classes/SSMessageTableViewCell.h

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+//
+//  SSMessageTableViewCell.h
+//  Messages
+//
+//  Created by Sam Soffes on 3/10/10.
+//  Copyright 2010 Sam Soffes. All rights reserved.
+//
+
+typedef enum {
+	SSMessageTableViewCellMessageStyleGray = 0,
+	SSMessageTableViewCellMessageStyleGreen = 1
+} SSMessageTableViewCellMessageStyle;
+
+@class SSMessageTableViewCellBubbleView;
+
+@interface SSMessageTableViewCell : UITableViewCell {
+
+	SSMessageTableViewCellBubbleView *bubbleView;
+}
+
+@property (nonatomic, copy) NSString *messageText;
+@property (nonatomic, assign) SSMessageTableViewCellMessageStyle messageStyle;
+
+@end

Classes/SSMessageTableViewCell.m

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+//
+//  SSMessageTableViewCell.m
+//  Messages
+//
+//  Created by Sam Soffes on 3/10/10.
+//  Copyright 2010 Sam Soffes. All rights reserved.
+//
+
+#import "SSMessageTableViewCell.h"
+#import "SSMessageTableViewCellBubbleView.h"
+
+@implementation SSMessageTableViewCell
+
+#pragma mark NSObject
+
+- (void)dealloc {
+	[bubbleView release];
+	[super dealloc];
+}
+
+#pragma mark UITableViewCell
+
+- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
+    if ((self = [super initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuseIdentifier])) {
+		self.selectionStyle = UITableViewCellSelectionStyleNone;		
+		self.textLabel.hidden = YES;
+
+		bubbleView = [[SSMessageTableViewCellBubbleView alloc] initWithFrame:CGRectMake(0.0, 0.0, self.contentView.frame.size.width, self.contentView.frame.size.height)];
+		bubbleView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+		[self.contentView addSubview:bubbleView];
+		[self.contentView sendSubviewToBack:bubbleView];
+    }
+    return self;
+}
+
+#pragma mark Getters
+
+- (SSMessageTableViewCellMessageStyle)messageStyle {
+	return bubbleView.messageStyle;
+}
+
+
+- (NSString *)messageText {
+	return bubbleView.messageText;
+}
+
+#pragma mark Setters
+
+- (void)setMessageStyle:(SSMessageTableViewCellMessageStyle)aMessageStyle {
+	bubbleView.messageStyle = aMessageStyle;
+}
+
+
+- (void)setMessageText:(NSString *)text {
+	bubbleView.messageText = text;
+}
+
+@end

Classes/SSMessageTableViewCellBubbleView.h

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+//
+//  SSMessageTableViewCellBubbleView.h
+//  Messages
+//
+//  Created by Sam Soffes on 3/10/10.
+//  Copyright 2010 Sam Soffes. All rights reserved.
+//
+
+#import "SSMessageTableViewCell.h"
+
+@interface SSMessageTableViewCellBubbleView : UIView {
+
+	NSString *messageText;
+	SSMessageTableViewCellMessageStyle messageStyle;
+}
+
+@property (nonatomic, copy) NSString *messageText;
+@property (nonatomic, assign) SSMessageTableViewCellMessageStyle messageStyle;
+
++ (UIImage *)bubbleImageForMessageStyle:(SSMessageTableViewCellMessageStyle)aMessageStyle;
++ (CGSize)textSizeForText:(NSString *)text;
++ (CGSize)bubbleSizeForText:(NSString *)text;
++ (CGFloat)cellHeightForText:(NSString *)text;
+
+@end

Classes/SSMessageTableViewCellBubbleView.m

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+//
+//  SSMessageTableViewCellBubbleView.m
+//  Messages
+//
+//  Created by Sam Soffes on 3/10/10.
+//  Copyright 2010 Sam Soffes. All rights reserved.
+//
+
+#import "SSMessageTableViewCellBubbleView.h"
+
+#define kFont [UIFont systemFontOfSize:15.0]
+static UILineBreakMode kLineBreakMode = UILineBreakModeWordWrap;
+static CGFloat kMaxWidth = 223.0; // TODO: Make dynamic
+static CGFloat kPaddingTop = 6.0;
+static CGFloat kPaddingBottom = 8.0;
+static CGFloat kMarginTop = 2.0;
+static CGFloat kMarginBottom = 2.0;
+
+@implementation SSMessageTableViewCellBubbleView
+
+@synthesize messageText;
+@synthesize messageStyle;
+
+#pragma mark Class Methods
+
++ (UIImage *)bubbleImageForMessageStyle:(SSMessageTableViewCellMessageStyle)aMessageStyle {
+	UIImage *image;
+	if (aMessageStyle == SSMessageTableViewCellMessageStyleGreen) {
+		image = [[UIImage imageNamed:@"SSMessageTableViewCellBackgroundGreen.png"] stretchableImageWithLeftCapWidth:17 topCapHeight:14];
+	} else {
+		image = [[UIImage imageNamed:@"SSMessageTableViewCellBackgroundGray.png"] stretchableImageWithLeftCapWidth:24 topCapHeight:14];
+	}
+	return image;
+}
+
+
++ (CGSize)textSizeForText:(NSString *)text {
+	CGSize maxSize = CGSizeMake(kMaxWidth - 38.0, 1000.0);
+	return [text sizeWithFont:kFont constrainedToSize:maxSize lineBreakMode:kLineBreakMode];
+}
+
+
++ (CGSize)bubbleSizeForText:(NSString *)text {
+	CGSize textSize = [self textSizeForText:text];
+	return CGSizeMake(textSize.width + 38.0, textSize.height + kPaddingTop + kPaddingBottom);
+}
+
+
++ (CGFloat)cellHeightForText:(NSString *)text {
+	return [self bubbleSizeForText:text].height + kMarginTop + kMarginBottom;
+}
+
+#pragma mark UIView
+
+- (id)initWithFrame:(CGRect)frame {
+	if (self = [super initWithFrame:frame]) {
+		self.backgroundColor = [UIColor colorWithRed:0.859 green:0.886 blue:0.929 alpha:1.0];
+	}
+	return self;
+}
+
+
+- (void)drawRect:(CGRect)frame {
+	UIImage *bubbleImage = [[self class] bubbleImageForMessageStyle:messageStyle];
+	CGSize bubbleSize = [[self class] bubbleSizeForText:messageText];
+	CGRect bubbleFrame = CGRectMake((messageStyle == SSMessageTableViewCellMessageStyleGreen ? self.frame.size.width - bubbleSize.width : 0.0), kMarginTop, bubbleSize.width, bubbleSize.height);
+	[bubbleImage drawInRect:bubbleFrame];
+
+	CGSize textSize = [[self class] textSizeForText:messageText];
+	CGRect textFrame = CGRectMake(((messageStyle == SSMessageTableViewCellMessageStyleGreen) ? (13.0 + bubbleFrame.origin.x) : 23.0), kPaddingTop + kMarginTop, textSize.width, textSize.height);
+	[messageText drawInRect:textFrame withFont:kFont lineBreakMode:kLineBreakMode alignment:(messageStyle == SSMessageTableViewCellMessageStyleGreen) ? UITextAlignmentRight : UITextAlignmentLeft];
+}
+
+@end

Classes/SSMessagesViewController.h

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+//
+//  SSMessagesViewController.h
+//  Messages
+//
+//	This is an abstract class for displaying a UI similar
+//	to Apple's SMS application. A subclass should
+//	override the messageStyleForRowAtIndexPath: and
+//	textForRowAtIndexPath: to customize this class.
+//
+//  Created by Sam Soffes on 3/10/10.
+//  Copyright 2010 Sam Soffes. All rights reserved.
+//
+
+#import "SSMessageTableViewCell.h"
+
+@class SSGradientView;
+
+@interface SSMessagesViewController : UIViewController <UITableViewDataSource, UITableViewDelegate, UITextFieldDelegate> {
+
+	UITableView *_tableView;
+	SSGradientView *_inputView;
+	UIButton *_sendButton;
+}
+
+@property (nonatomic, retain, readonly) UITableView *tableView;
+
+- (SSMessageTableViewCellMessageStyle)messageStyleForRowAtIndexPath:(NSIndexPath *)indexPath;
+- (NSString *)textForRowAtIndexPath:(NSIndexPath *)indexPath;
+
+@end

Classes/SSMessagesViewController.m

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+//
+//  SSMessagesViewController.m
+//  Messages
+//
+//  Created by Sam Soffes on 3/10/10.
+//  Copyright 2010 Sam Soffes. All rights reserved.
+//
+
+#import "SSMessagesViewController.h"
+#import "SSMessageTableViewCell.h"
+#import "SSMessageTableViewCellBubbleView.h"
+#import <SSToolkit/SSGradientView.h>
+#import <SSToolkit/SSTextField.h>
+
+CGFloat kInputHeight = 40.0;
+
+@implementation SSMessagesViewController
+
+@synthesize tableView = _tableView;
+
+#pragma mark NSObject
+
+- (id)init {
+	return [self initWithNibName:nil bundle:nil];
+}
+
+
+- (void)dealloc {
+	[_tableView release];
+	[_inputView release];
+	[_sendButton release];
+	[super dealloc];
+}
+
+
+#pragma mark UITableViewController
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    if (self = [super initWithNibName:nil bundle:nil]) {
+		self.view.backgroundColor = [UIColor colorWithRed:0.859 green:0.886 blue:0.929 alpha:1.0];
+
+		// Table view
+		_tableView = [[UITableView alloc] initWithFrame:CGRectMake(0.0, 0.0, self.view.frame.size.width, self.view.frame.size.height - kInputHeight) style:UITableViewStylePlain];
+		_tableView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+		_tableView.backgroundColor = self.view.backgroundColor;
+		_tableView.dataSource = self;
+		_tableView.delegate = self;
+		_tableView.separatorColor = self.view.backgroundColor;
+		[self.view addSubview:_tableView];
+
+		// Input
+		_inputView = [[SSGradientView alloc] initWithFrame:CGRectMake(0.0, self.view.frame.size.height - kInputHeight, self.view.frame.size.width, kInputHeight)];
+		_inputView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin;
+		_inputView.hasBottomBorder = NO;
+		_inputView.topBorderColor = [UIColor colorWithRed:0.733 green:0.741 blue:0.745 alpha:1.0];
+		_inputView.topColor = [UIColor colorWithRed:0.914 green:0.922 blue:0.929 alpha:1.0];
+		_inputView.bottomColor = [UIColor colorWithRed:0.765 green:0.773 blue:0.788 alpha:1.0];
+		[self.view addSubview:_inputView];
+
+		// Text field
+		SSTextField *textField = [[SSTextField alloc] initWithFrame:CGRectMake(6.0, 8.0, self.view.frame.size.width - 75.0, 27.0)];
+		textField.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+		textField.background = [[UIImage imageNamed:@"SSMessagesViewControllerTextFieldBackground.png"] stretchableImageWithLeftCapWidth:12 topCapHeight:0];
+		textField.delegate = self;
+		textField.font = [UIFont systemFontOfSize:15.0];
+		textField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
+		textField.textInsets = UIEdgeInsetsMake(0.0, 12.0, 0.0, 12.0);
+		[_inputView addSubview:textField];
+		[textField release];
+
+		// Send button
+		_sendButton = [[UIButton buttonWithType:UIButtonTypeCustom] retain];
+		_sendButton.frame = CGRectMake(self.view.frame.size.width - 65.0, 8.0, 59.0, 27.0);
+		_sendButton.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin;
+		_sendButton.titleLabel.font = [UIFont boldSystemFontOfSize:16.0];
+		_sendButton.titleLabel.shadowOffset = CGSizeMake(0.0, -1.0);
+		[_sendButton setBackgroundImage:[[UIImage imageNamed:@"SSMessagesViewControllerSendButtonBackground.png"] stretchableImageWithLeftCapWidth:12 topCapHeight:0] forState:UIControlStateNormal];
+		[_sendButton setTitle:@"Send" forState:UIControlStateNormal];
+		[_sendButton setTitleColor:[UIColor colorWithWhite:1.0 alpha:0.4] forState:UIControlStateNormal];
+		[_sendButton setTitleShadowColor:[UIColor colorWithRed:0.325 green:0.463 blue:0.675 alpha:1.0] forState:UIControlStateNormal];
+		[_inputView addSubview:_sendButton];
+    }
+    return self;
+}
+
+
+#pragma mark SSMessagesViewController
+
+// This method is intended to be overridden by subclasses
+- (SSMessageTableViewCellMessageStyle)messageStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
+	return SSMessageTableViewCellMessageStyleGray;
+}
+
+
+// This method is intended to be overridden by subclasses
+- (NSString *)textForRowAtIndexPath:(NSIndexPath *)indexPath {
+	return nil;
+}
+
+
+#pragma mark UITableViewDataSource
+
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
+    return 1;
+}
+
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    return 0;
+}
+
+
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+
+    static NSString *cellIdentifier = @"cellIdentifier";
+
+    SSMessageTableViewCell *cell = (SSMessageTableViewCell *)[tableView dequeueReusableCellWithIdentifier:cellIdentifier];
+    if (cell == nil) {
+        cell = [[[SSMessageTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier] autorelease];
+    }
+
+    cell.messageStyle = [self messageStyleForRowAtIndexPath:indexPath];
+	cell.messageText = [self textForRowAtIndexPath:indexPath];
+
+    return cell;
+}
+
+
+#pragma mark UITableViewDelegate
+
+- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
+	return [SSMessageTableViewCellBubbleView cellHeightForText:[self textForRowAtIndexPath:indexPath]];
+}
+
+
+#pragma mark UITextFieldDelegate
+
+- (void)textFieldDidBeginEditing:(UITextField *)textField {
+	[UIView beginAnimations:@"beginEditing" context:_inputView];
+	[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
+	[UIView setAnimationDuration:0.3];
+	_tableView.contentInset = UIEdgeInsetsMake(0.0, 0.0, 216.0, 0.0);
+	_tableView.scrollIndicatorInsets = _tableView.contentInset;
+	_inputView.frame = CGRectMake(0.0, 160.0, self.view.frame.size.width, kInputHeight);
+	[_sendButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
+	[UIView commitAnimations];
+}
+
+
+- (void)textFieldDidEndEditing:(UITextField *)textField {
+	[UIView beginAnimations:@"endEditing" context:_inputView];
+	[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
+	[UIView setAnimationDuration:0.3];
+	_tableView.contentInset = UIEdgeInsetsZero;
+	_tableView.scrollIndicatorInsets = UIEdgeInsetsZero;
+	_inputView.frame = CGRectMake(0.0, _tableView.frame.size.height, self.view.frame.size.width, kInputHeight);
+	[_sendButton setTitleColor:[UIColor colorWithWhite:1.0 alpha:0.4] forState:UIControlStateNormal];
+	[UIView commitAnimations];
+}
+
+@end