How do I fit a paragraph in a scroll view controller programmatically? - swift

I'm building an app and it has a description of everyone on the roster section. The text seems to overrun the page and I do not know the code or way to make it fill programmatically.
I have tried changing the values on the line of code the UITextField is in.
let descriptionM = UITextField(frame: CGRect(x: xPosition+15, y:
500, width: 300, height: 50))
descriptionM.text = desc[i]
descriptionM.textColor = UIColor.black
descriptionM.backgroundColor = UIColor.clear
descriptionM.contentMode = .scaleAspectFill
I wanted the text which is an array above, to fill the certain page on the scroll view instead it runs over the right side of the view with only the first line readable.
I have tried different values but non have worked.

I have tried changing the values on the line of code the UITextField is in.
You're using the wrong tool for the job. Text fields only ever handle one line, which is why there are no properties that let you set the number of lines.
I wanted the text which is an array above, to fill the certain page on the scroll view instead it runs over the right side of the view with only the first line readable.
Views that display text on multiple lines include UILabel and UITextView. UILabel is really meant for just a few lines or less, and it sounds like you may need many lines, so you should switch to UITextView. Or, if you're displaying a number of distinct items rather than paragraphs of text, you could use a UITableView where each cell displays a single item using a UILabel, UITextField, or UITextView. Table views are great for presenting arrays of data.

Related

Large text not displaying as multiple lines for UILabel in a custom tableview cell

Setting up the UILabel on the attributes inspector as follow expands the cell and display the large text as multiple lines correctly for a Subtitle tableview cell:
Lines = 0
Line Break = Word wrap
But this doesn't work in a custom tableview cell for some reasons. In the custom cell, I added new labels and setup the attributes the same way but the cell doesn't expand.
It could be a matter of constraint.
Check to see if there are any conflicting constraints or fixed settings.
In order for elements of a cell to be set flexibly, the height of the cell must be set to the automatic value.
When I set it up like this, I was able to get the results I wanted.

How to add space between rows in NSTableView

I'm trying to add spaces in between rows in an NSTableView, like how it looks here.
Currently, however, my rows look like this, with 0 spacing between them.
Is it possible to add these spaces? I found this post on how to do it, but that's for UITableView, and I don't think you can add sections with NSTableView. Another thing I tried was using intercellSpacing on the table view, like so:
tableView.intercellSpacing = NSSize(width: 0, height: 80)
However, that just increases the height of each row rather than increase the space between them.
Lastly, I looked into drawSeparator, which seems promising but has limited documentation. Would extending NSTableRowView and overriding the drawSeparator method work, basically by drawing in a blank space as the separator? If so, how would I go about making my table view use my custom row view class?
If none of these options work, I'd also be open to faking the effect, maybe by having the actual content of a row be smaller than the row itself and using the remaining space as the padding between rows. However, I'm not sure if this would work, given that right now I'm using NSShadow, which highlights the boundary of each row.
Found a way to work around this issue. Before, each row consisted of two columns, one for the text fields and one for the buttons. However, I've changed it by putting all the text fields and buttons into a single column, that way there's only one cell per row. I then can apply the NSShadow and other styles to the NSTableCellView rather than the NSTableRowView. This means that I can now use intercellSpacing to create vertical spacing between cells:
tableView.intercellSpacing = NSSize(width: 0, height: 80)
The rows are still touching, but I've disabled the borders/highlighting on them so you can't actually see them. The cells, on the other hand, are visible, and you can adjust the spacing/styles on them as necessary.

iphone Custom table cell, UILabel needs to be scrollable

I have a custom table cell with a UILabel in. What I want can be done with two ways.
1- Find the height of the Label that contains long text and set the rowHeight to make the whole text visible.
2- Make the UILabel scrollable so the user can move the text up/down with his hand to read the whole string.
Can you please advice me on which one to do an how to do it?
If your text is static and won't change dynamically, you should use the first option. You can cache the result so whenever you refresh the table, you won't have to recalculate the text. You can use sizeWithFont:constrainedToSize:lineBreakMode to calculate the actual text size.
For the row height: you should use tableView:heightForRowAtIndexPath: and not rowHeight, since rowHeight will change the height for ALL rows - not only a single cell.
A far as a scrollable text view inside a table: in my opinion - it looks like a cheap solution in an app and makes it a bit amateur.
I recommend not using the first option in most cases as depending on the length of the string it could make your table cells huge.
As for the second option: You should be able to add a UIScrollView as a subview into the table view cells. The Scroll View can contain the fully sized text labels and let you scroll through them within a fixed size cell.
Do we have any example on how to do it? Im new to iphone, sorry for
bugging. – Panos 9 mins ago
UIScrollView *scroller = [[UIScrollView alloc]initWithFrame:cell.frame];
scroller.contentSize = CGSizeMake(280, 100);
UILabel *test = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 100, 20)];
test.text = #"This would be your label.";
[scroller addSubview:test];
[cell addSubview:scroller];
This will make a UIScrollView and a label in the tablecell 'cell'. This will work, but I do not think this is the best solution, since it's gonna be a scrollview inside a tableview which already provides scrolling. My advice is to adjust the rowheigth.

Center Multi-Line Text on UIButton using IB

How do you center text line-by-line in a UIButton using Interface Builder? I am scouring the options and just don't see it. Here's the button:
You can't set the text to be centered in your nib. But you can change the alignment in your code:
- (void)viewDidLoad {
[super viewDidLoad];
self.myButton.titleLabel.textAlignment = UITextAlignmentCenter;
}
I know this is an old question, but I came across it in my own attempt to center the multi-line text of a UIButton in IB. What I found is that by default, when "title" is set to "plain" and "line break" is set to "word wrap" the longest line of the title text is centered and the other lines are left justified to this line (similar to the OP's screen capture).
In order to have all the lines centered properly, "title" needs to be changed to "attributed." This provides many more options to customize the appearance of the title text. Center each of the lines of text (you can now actually change the alignment for each line individually). Also be sure to set "line breaking" to "word wrap" under "more..." above the text. There seems to be a bug with how this line breaking option behaves, at least in Xcode 4.5 at this time, because the text on the button in IB will look incorrect, truncating everything except the first line. It seems the "word wrap" and truncate options are interpreted backwards in IB, but if you run the app it behaves correctly in the simulator.
Actually you can do it in interface builder.
Just set Title to "Attributed" and then choose center alignment.
#from comments : To wrap you need to set Line Break to Character Wrap or Word Wrap.
P.S : This might not render in xcode. But, it will work at runtime.
You can set the center multiline text in UIButton through storyboard.
This is how you make the text have two or more lines.
Set the below key Path at
Identity Inspector --> User defined runtime attributes --> add new key value pair with below
titleLabel.textAlignment - NSNumber - 1
and
titleLabel.numberOfLines - NSNumber - 5 - or use "0" meaning "any number"
It will look like this:
Note that (2016) unfortunately it does not actually show the two or more lines of text in Storyboard (you see only the first one), but it works perfectly when you run in simulator or device.
For IB set Title to "Attributed" and select center alignment (like Alexander Danilov suggested)
But if you want to do it in code using Swift 4:
// center button text
yourButton.titleLabel?.textAlignment = .center
// enable multiline if needed
yourButton.titleLabel?.numberOfLines = 0
Not all options are done using Interface Builder therefore you must do some of them by coding, and usually we do them inside the function viewDidLoad.
To center your text inside a button by code you can use the following:
button1.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
You can use the same technique to align the text to any direction, for example to the left:
button1.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
But this will take the text too much to the left and you might want to have some space before it keeping the alignment to the left, so you add an inset after the aligning code as follows:
button1.contentEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 0);
In this case we are pushing the text from the Y axis by 10 points. I say here points not pixels because as you know Apple uses the points technique to measure distances to be able to adapt easily between normal display and retina display (where retina is 2 times the normal one).
I haven't tried it out yet, but I think a way to do it might be create a CGRect on top of your button, then use it as a frame, create a label, and then you can play with the label, set the textAlignment property to be UITextAlignmentCenter, and set the background color to be clear.
This works with uitableview but I don't know whether that will work for button. Hope this helps.

do I need separate UILabel in a custom UIView to have separate UILabel lines in a UITableViewCell?

do I need separate UILabel in a custom UIView to have separate UILabel lines in a UITableViewCell?
That is, if I want to have a TableViewCell that has all text, but the text needs to contain 4 separate rows for 4 separate strings (e.g. Name, Title, Description, Location), and each these separate rows could include a wrap around.
To ask the question the other way around, is there way with a normal UITableViewCell using it content view and single text label, to force Carriage Return/New Line points at the end of each of the four strings? Oh yes, and the cell height will need to be calculated for each Cell as it may vary (just in case this is significant)
The answer to the last question: NO. (Answer to the title: YES.)
You can build a cell in its own NIB file. An exercise I suggest if you've never done it.
Layout the size/location/resize functionality as you like it.
your table view controller can be the owner of the file,
add an outlet to the TV controller of loadedCell, and call load nib
every time you want to alloc a new cell,
i suggest tagging each of the cell labels, and accessing them
that way, and setting the loadedCell value to nil after loading it,
p.s. a UILabel often wraps text undesirably, or is hard to layout in a cell to look good, consider the other values of lineBreakMode for your labels
p.p.s. it will employ a text shortening behavior depending on adjustsFontSizeToFitWidth and minimumFontSize (taking this and lineBreakMode into consideration)