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Added capability for additional text fields to be added to AlertViews #69

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Added capability for additional text fields to be added to AlertViews #69

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16 changes: 11 additions & 5 deletions BlockAlertsDemo/BlockAlertsDemoViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -72,29 +72,35 @@ - (IBAction)showActionSheetPlusAlert:(id)sender
- (IBAction)goNuts:(id)sender
{
for (int i=0; i<6; i++)
{
{
dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, 0.5 * i * NSEC_PER_SEC);
dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
if (arc4random() % 2 == 0)
[self showAlert:nil];
else
[self showActionSheet:nil];
});
}
}
}

- (IBAction)showTextPrompt:(id)sender
{
UITextField *textField;
BlockTextPromptAlertView *alert = [BlockTextPromptAlertView promptWithTitle:@"Prompt Title" message:@"With prompts you do have to keep in mind limited screen space due to the keyboard" textField:&textField block:^(BlockTextPromptAlertView *alert){
//The number of placeholders passed in defines how many textfields will be added to the alertview
NSArray* placeHolderArray = [[[NSArray alloc] initWithObjects:@"TextField 1",@"TextField 2", @"TextField 3", nil] autorelease];
BlockTextPromptAlertView *alert = [BlockTextPromptAlertView promptWithTitle:@"Prompt Title" message:@"With prompts you do have to keep in mind limited screen space due to the keyboard" withPlaceholdersForTextFields:placeHolderArray block:^(BlockTextPromptAlertView *alert){
[alert.textField resignFirstResponder];
return YES;
}];


[alert setCancelButtonWithTitle:@"Cancel" block:nil];
[alert addButtonWithTitle:@"Okay" block:^{
NSLog(@"Text: %@", textField.text);
NSMutableArray *textField = [alert getArrayOfTextInAlertViewTextFields];
int textfieldCount = [textField count];
int i;
for (i=0; i<textfieldCount; i++) {
NSLog(@"Textfield %d Text: %@", i,[textField objectAtIndex:i]);
}
}];
[alert show];
}
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11 changes: 5 additions & 6 deletions BlockAlertsDemo/ToAddToYourProjects/BlockTextPromptAlertView.h
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Original file line number Diff line number Diff line change
Expand Up @@ -19,23 +19,22 @@ typedef BOOL(^TextFieldReturnCallBack)(BlockTextPromptAlertView *);
NSInteger maxLength;
NSInteger buttonIndexForReturn;
NSString* defaultText;
NSArray* placeholders;
int numberOfPlaceholders;
}

@property (nonatomic, retain) UITextField *textField;

@property (nonatomic, assign) BOOL disableAutoBecomeFirstResponder;
@property (nonatomic, assign) BOOL selectAllOnBeginEdit;

+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultText;
+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultText block:(TextFieldReturnCallBack) block;
+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message withPlaceholdersForTextFields:(NSArray*)placeHolderArray block:(TextFieldReturnCallBack) block;

+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message textField:(out UITextField**)textField;

+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message textField:(out UITextField**)textField block:(TextFieldReturnCallBack) block;

- (id)initWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultText;

- (id)initWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultText block: (TextFieldReturnCallBack) block;
- (id)initWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultText textPlaceholders:(NSArray*)placeholderArray block: (TextFieldReturnCallBack) block;
- (NSMutableArray*)getArrayOfTextInAlertViewTextFields;

@property (readwrite, copy) BlockTextPromptAlertShouldDismiss shouldDismiss;

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117 changes: 68 additions & 49 deletions BlockAlertsDemo/ToAddToYourProjects/BlockTextPromptAlertView.m
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Original file line number Diff line number Diff line change
Expand Up @@ -22,54 +22,22 @@ @implementation BlockTextPromptAlertView
@synthesize textField, callBack;



+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultText {
return [self promptWithTitle:title message:message defaultText:defaultText block:nil];
}

+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultText block:(TextFieldReturnCallBack)block {
return [[[BlockTextPromptAlertView alloc] initWithTitle:title message:message defaultText:defaultText block:block] autorelease];
}

+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message textField:(out UITextField**)textField {
return [self promptWithTitle:title message:message textField:textField block:nil];
}


+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message textField:(out UITextField**)textField block:(TextFieldReturnCallBack) block{
BlockTextPromptAlertView *prompt = [[[BlockTextPromptAlertView alloc] initWithTitle:title message:message defaultText:nil block:block] autorelease];
+ (BlockTextPromptAlertView *)promptWithTitle:(NSString *)title message:(NSString *)message withPlaceholdersForTextFields:(NSArray*)placeHolderArray block:(TextFieldReturnCallBack) block{

*textField = prompt.textField;
BlockTextPromptAlertView *prompt = [[[BlockTextPromptAlertView alloc] initWithTitle:title message:message defaultText:nil textPlaceholders:placeHolderArray block:block] autorelease];

return prompt;
}

- (void)addComponents:(CGRect)frame {
[super addComponents:frame];
- (id)initWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultTxt textPlaceholders:(NSArray*)placeholderArray block: (TextFieldReturnCallBack) block {
placeholders = placeholderArray;
self = [self initWithTitle:title message:message defaultText:defaultTxt];

if (!self.textField) {
UITextField *theTextField = [[UITextField alloc] initWithFrame:CGRectMake(kTextBoxHorizontalMargin, _height, frame.size.width - kTextBoxHorizontalMargin * 2, kTextBoxHeight)];

[theTextField setContentVerticalAlignment:UIControlContentVerticalAlignmentCenter];
[theTextField setAutocapitalizationType:UITextAutocapitalizationTypeWords];
[theTextField setBorderStyle:UITextBorderStyleRoundedRect];
[theTextField setTextAlignment:NSTextAlignmentCenter];
[theTextField setClearButtonMode:UITextFieldViewModeAlways];

theTextField.autoresizingMask = UIViewAutoresizingFlexibleWidth;

theTextField.delegate = self;
theTextField.text = defaultText;

self.textField = theTextField;
}
else {
self.textField.frame = CGRectMake(kTextBoxHorizontalMargin, _height, frame.size.width - kTextBoxHorizontalMargin * 2, kTextBoxHeight);
if (self) {
self.callBack = block;
}

[_view addSubview:self.textField];
_height += kTextBoxHeight + kTextBoxSpacing;

return self;
}

- (id)initWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultTxt {
Expand All @@ -93,17 +61,65 @@ - (id)initWithTitle:(NSString *)title message:(NSString *)message defaultText:(N
return self;
}

- (id)initWithTitle:(NSString *)title message:(NSString *)message defaultText:(NSString*)defaultTxt block: (TextFieldReturnCallBack) block {
#pragma mark - Set up text fields

- (void)addComponents:(CGRect)frame {
[super addComponents:frame];

self = [self initWithTitle:title message:message defaultText:defaultTxt];
numberOfPlaceholders = [placeholders count];
if (numberOfPlaceholders == 0) {
numberOfPlaceholders = 1;
[self createTextFieldWithPlaceholderAtIndex:numberOfPlaceholders withFrame:frame];
}
int i;
for (i = 0; i<numberOfPlaceholders; i++) {
[self createTextFieldWithPlaceholderAtIndex:i withFrame:frame];
}
}

- (void)createTextFieldWithPlaceholderAtIndex:(int)i withFrame:(CGRect)frame{
UITextField *theTextField = [[UITextField alloc] initWithFrame:CGRectMake(kTextBoxHorizontalMargin, _height, frame.size.width - kTextBoxHorizontalMargin * 2, kTextBoxHeight)];
NSString *placeholderString = [placeholders objectAtIndex:i];

if (self) {
self.callBack = block;
[theTextField setContentVerticalAlignment:UIControlContentVerticalAlignmentCenter];
[theTextField setAutocapitalizationType:UITextAutocapitalizationTypeWords];
[theTextField setBorderStyle:UITextBorderStyleRoundedRect];
[theTextField setTextAlignment:NSTextAlignmentLeft];
[theTextField setClearButtonMode:UITextFieldViewModeAlways];

theTextField.autoresizingMask = UIViewAutoresizingFlexibleWidth;

theTextField.delegate = self;
theTextField.text = defaultText;
theTextField.placeholder = placeholderString;
theTextField.tag = i + 1; // We don't wan't the tag to ever be zero as it needs to be unique

[_view addSubview:theTextField];
_height += kTextBoxHeight + kTextBoxSpacing;
}

#pragma mark - Get text in created textfields

-(NSMutableArray*)getArrayOfTextInAlertViewTextFields{

NSMutableArray *searchCollection = [[[NSMutableArray alloc] init] autorelease];

int i;
for (i = 1; i<numberOfPlaceholders + 1; i++) {
if ([(UITextField *)[self.view viewWithTag:i] text] == NULL) {
[searchCollection addObject:@""];
}
else {

[searchCollection addObject:[(UITextField *)[self.view viewWithTag:i] text]];
}
}

return self;
return searchCollection;
}

#pragma mark - Button & keyboards methods

- (void)show {
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWillShow:)
Expand Down Expand Up @@ -172,9 +188,15 @@ - (void)keyboardWillShow:(NSNotification *)notification {
}
completion:nil];
}

}


- (void)setButtonIndexForReturn:(NSInteger)index {
buttonIndexForReturn = index;
}

#pragma mark - Text Field Delegate Methods

- (void)setAllowableCharacters:(NSString*)accepted {
unacceptedInput = [[[NSCharacterSet characterSetWithCharactersInString:accepted] invertedSet] retain];
Expand All @@ -191,9 +213,6 @@ - (void)setMaxLength:(NSInteger)max {
self.textField.delegate = self;
}

- (void)setButtonIndexForReturn:(NSInteger)index {
buttonIndexForReturn = index;
}

-(BOOL)textFieldShouldReturn:(UITextField *)_textField{
if(callBack){
Expand Down Expand Up @@ -224,7 +243,7 @@ - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRang

if ([[string componentsSeparatedByCharactersInSet:unacceptedInput] count] > 1)
return NO;
else
else
return YES;
}

Expand Down