Clamped UILabel with three dots at the end

[bdominguez]

I have a clamped label where I want to append "..." at the end if it doesn't fit.

How can I achieve that? Because now I don't know how to know if certain text fits in the area of the label and also how to append "..." characters without clamping them too.

"Lorem ipsum dolor sit amet, consectetur adipiscing elit"

To this:

"Lorem ipsum dolor sit amet..."

[ArenMook]

This isn't a simple task.

First, call label.UpdateNGUIText() so that NGUIText's values are set correctly using the label's values.

Next you will want to determine the length of "...". You can use NGUIText.CalculatePrintedSize for that.

Once you know that, and the length of the field (say 200 pixels), subtract the length of the dots from it, giving you the maximum allowed size. Set NGUIText.rectWidth to this value and set NGUIText.maxLines to 1.

Now use NGUIText.WrapText to "wrap" your desired text. This will use the "rectWidth" you set in the previous step, giving you the text that actually fits before the "...". Lastly, set the label's text to this wrapped value plus your 3 dots.

[col000r]

Hey, I'm trying to do exactly that, but can't seem to get it to work. Could you please have a look and point me in the right direction?

1. label.UpdateNGUIText();
2. Vector2 w = NGUIText.CalculatePrintedSize( "..." );
3. NGUIText.rectWidth = label.width - Mathf.CeilToInt( w.x );
4. NGUIText.maxLines = 1;
5. string wrappedText = string.Empty;
6. NGUIText.WrapText( text, out wrappedText );
7. if( text != wrappedText ) label.text = wrappedText + "...";
8. Debug.Log ( w + ", " + text + " >> " + wrappedText );

[wongkh]

you can use this....
Create new script..

1. using UnityEngine;
2. using System.Collections;
3.  
4. public class resizeScript : MonoBehaviour {
5.  
6.         public UILabel my_label;
7.         public GameObject another_label;
8.  
9.         // Use this for initialization
10.         void Start () {
11.                 //Debug.Log(my_label.width);
12.         }
13.        
14.         // Update is called once per frame
15.         void Update () {
16.  
17.                 //Debug.Log(my_label.CalculateOffsetToFit(my_label.text));
18.  
19.                 //if(my_label.width > NGUIText.CalculatePrintedSize(my_label.text).x )
20.                 if(my_label.CalculateOffsetToFit(my_label.text) <= 0)
21.                 {
22.                         NGUITools.SetActive(another_label,false);
23.                 }else{
24.                         NGUITools.SetActive(another_label,true);
25.                 }
26.         }
27. }
28.  

then make a UILabel B with ... and anchor beside another UILabel A...
in your UILabel A, Add Component (the script file)
pull the object on it..
Script : the script name you use for the code (the code I given)
My_Label : UILabel A
Another_Label : UILabel B (the dot)

Set your UILabel A - Overflow : ClampContent
And done...Hope it help you~
 

[col000r]

Thanks! That would have worked as well. I ended up doing this:

1. string txt = this.label.text;
2. this.label.UpdateNGUIText();
3. int calcOffset = NGUIText.CalculateOffsetToFit( txt );
4. if( calcOffset > 0 ) {
5.         this.label.text = txt.Substring( 0, txt.Length - Mathf.Clamp( calcOffset + 2, 0, txt.Length ) ) + "...";
6. }