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refactored to use delegates, more iOS-like. now must implement JSMessagesViewDelegate and JSMessagesViewDatasource.

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This commit is contained in:
Jesse Squires
2013-03-23 18:37:10 -04:00
parent 647d6bbae8
commit fdac159784
2 changed files with 28 additions and 31 deletions
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25
JSMessagesTableViewController/JSMessagesViewController.h
View File

@@ -49,22 +49,37 @@ typedef enum {
@protocol JSMessagesViewDelegate <NSObject>
@required
- (void)sendPressed:(UIButton *)sender withText:(NSString *)text;
- (JSBubbleMessageStyle)messageStyleForRowAtIndexPath:(NSIndexPath *)indexPath;
- (JSMessagesViewTimestampPolicy)timestampPolicyForMessagesView;
- (BOOL)hasTimestampForRowAtIndexPath:(NSIndexPath *)indexPath;
@end
@protocol JSMessagesViewDataSource <NSObject>
@required
- (NSString *)textForRowAtIndexPath:(NSIndexPath *)indexPath;
- (NSDate *)timestampForRowAtIndexPath:(NSIndexPath *)indexPath;
@end
@interface JSMessagesViewController : UIViewController <UITableViewDataSource, UITableViewDelegate, UITextViewDelegate>
@property (assign, nonatomic) JSMessagesViewTimestampPolicy timestampPolicy;
@property (weak, nonatomic) id<JSMessagesViewDelegate> delegate;
@property (weak, nonatomic) id<JSMessagesViewDataSource> dataSource;
@property (strong, nonatomic) UITableView *tableView;
@property (strong, nonatomic) JSMessageInputView *inputView;
@property (assign, nonatomic) CGFloat previousTextViewContentHeight;
#pragma mark - Actions
- (void)sendPressed:(UIButton *)sender withText:(NSString *)text;
- (void)sendPressed:(UIButton *)sender;
- (void)handleSwipe:(UIGestureRecognizer *)guestureRecognizer;
#pragma mark - Messages view controller
- (JSBubbleMessageStyle)messageStyleForRowAtIndexPath:(NSIndexPath *)indexPath;
- (NSString *)textForRowAtIndexPath:(NSIndexPath *)indexPath;
- (NSDate *)timestampForRowAtIndexPath:(NSIndexPath *)indexPath;
- (BOOL)shouldHaveTimestampForRowAtIndexPath:(NSIndexPath *)indexPath;
- (void)finishSend;
- (void)setBackgroundColor:(UIColor *)color;

34
JSMessagesTableViewController/JSMessagesViewController.m
View File

@@ -81,7 +81,6 @@
{
[super viewDidLoad];
[self setup];
self.timestampPolicy = JSMessagesViewTimestampPolicyEveryThree;
}
- (void)viewWillAppear:(BOOL)animated
@@ -130,12 +129,10 @@
}
#pragma mark - Actions
- (void)sendPressed:(UIButton *)sender withText:(NSString *)text { } // override in subclass
- (void)sendPressed:(UIButton *)sender
{
[self sendPressed:sender
withText:[self.inputView.textView.text trimWhitespace]];
[self.delegate sendPressed:sender
withText:[self.inputView.textView.text trimWhitespace]];
}
- (void)handleSwipe:(UIGestureRecognizer *)guestureRecognizer
@@ -156,7 +153,7 @@
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
JSBubbleMessageStyle style = [self messageStyleForRowAtIndexPath:indexPath];
JSBubbleMessageStyle style = [self.delegate messageStyleForRowAtIndexPath:indexPath];
BOOL hasTimestamp = [self shouldHaveTimestampForRowAtIndexPath:indexPath];
NSString *CellID = [NSString stringWithFormat:@"MessageCell_%d_%d", style, hasTimestamp];
@@ -169,9 +166,9 @@
}
if(hasTimestamp)
[cell setTimestamp:[self timestampForRowAtIndexPath:indexPath]];
[cell setTimestamp:[self.dataSource timestampForRowAtIndexPath:indexPath]];
[cell setMessage:[self textForRowAtIndexPath:indexPath]];
[cell setMessage:[self.dataSource textForRowAtIndexPath:indexPath]];
[cell setBackgroundColor:tableView.backgroundColor];
return cell;
@@ -182,28 +179,13 @@
{
CGFloat dateHeight = [self shouldHaveTimestampForRowAtIndexPath:indexPath] ? DATE_LABEL_HEIGHT : 0.0f;
return [JSBubbleView cellHeightForText:[self textForRowAtIndexPath:indexPath]] + dateHeight;
return [JSBubbleView cellHeightForText:[self.dataSource textForRowAtIndexPath:indexPath]] + dateHeight;
}
#pragma mark - Messages view controller
- (JSBubbleMessageStyle)messageStyleForRowAtIndexPath:(NSIndexPath *)indexPath
- (BOOL)shouldHaveTimestampForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 0; // Override in subclass
}
- (NSString *)textForRowAtIndexPath:(NSIndexPath *)indexPath
{
return nil; // Override in subclass
}
- (NSDate *)timestampForRowAtIndexPath:(NSIndexPath *)indexPath
{
return nil; // Override in subclass
}
- (BOOL)shouldHaveTimestampForRowAtIndexPath:(NSIndexPath *)indexPath // Override in subclass if using JSMessagesViewTimestampPolicyCustom
{
switch (self.timestampPolicy) {
switch ([self.delegate timestampPolicyForMessagesView]) {
case JSMessagesViewTimestampPolicyAll:
return YES;
break;