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Home » Eclipse Projects » Remote Application Platform (RAP) » setMessage Hints with < character(Cannot use < character in setMessage for Text Hints)
setMessage Hints with < character [message #1077925] Fri, 02 August 2013 10:18 Go to next message
John Gymer is currently offline John Gymer
Messages: 187
Registered: November 2012
Location: UK
Senior Member
If I try to use a Less Than symbol in setMessage for a Text control to give it a Hint, nothing is displayed after the < character.
For example, setMessage("ABC<HELLO>") gives "ABC" as the Hint.
Worse, setMessage("<Be nice to me>") gives a totally blank Hint.
I assume this relates to invalid characters in HTML as rendered by RAP? I can use these types of Hints in SWT, so I assume it is a bug in RAP that it cannot handle them?
Thanks, John


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Just because you can doesn't mean you should
Re: setMessage Hints with &lt; character [message #1078598 is a reply to message #1077925] Sat, 03 August 2013 08:05 Go to previous messageGo to next message
Ralf Sternberg is currently offline Ralf Sternberg
Messages: 1290
Registered: July 2009
Senior Member

Hi John,

this works for me. Could you provide a simple snippet to reproduce the
issue?

Regards, Ralf

--
Ralf Sternberg

Twitter: @EclipseRAP
Blog: http://eclipsesource.com/blogs/

Professional services for RAP and RCP?
http://eclipsesource.com/services/rap/
Re: setMessage Hints with &lt; character [message #1079925 is a reply to message #1078598] Mon, 05 August 2013 08:42 Go to previous messageGo to next message
John Gymer is currently offline John Gymer
Messages: 187
Registered: November 2012
Location: UK
Senior Member
Hi Ralf,
Sure... here is a snippet:

/* DEMONSTRATES HINT PROBLEM WITH LESS THAN CHARACTERS */
package bug.snippet;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class Bugsy {
	private static Display display;
	private static Shell shell;
	private static Composite comp;
	private static Text txt1;
	private static Text txt2;
	private static Text txt3;
	private static Text txt4;
	
	public static void begin() {
		System.out.println("BugSnippy Starting...");
		FormLayout layout;
		FormData fd;
		
		// create Shell
		display = new Display();
		shell = new Shell(display, SWT.TITLE|SWT.MAX|SWT.MIN|SWT.RESIZE|SWT.CLOSE);
		shell.setText("Shell");
		shell.setSize(500, 400);
		shell.setLocation(20, 20);
		shell.setBackground(new Color(null, new RGB(192,128,255)));
		layout = new FormLayout();
		shell.setLayout(layout);

		// create the Composite
		comp = new Composite(shell, SWT.BORDER);
		fd = new FormData();
		fd.left = new FormAttachment(0, 20);
		fd.top = new FormAttachment(0, 20);
		fd.right = new FormAttachment(100, -20);
		fd.bottom = new FormAttachment(100, -20);
		comp.setLayoutData(fd);
		layout = new FormLayout();
		comp.setLayout(layout);
		comp.setBackground(new Color(null, new RGB(255,128,192)));
		comp.setBackgroundMode(SWT.INHERIT_DEFAULT);
		
		// add Text1 entry field onto Shell
		txt1 = new Text(comp, SWT.SINGLE|SWT.BORDER);
		fd = new FormData();
		fd.left = new FormAttachment(0, 5);
		fd.top = new FormAttachment(0, 5);
		fd.width = 100;
		fd.height = 40;
		txt1.setLayoutData(fd);
		txt1.setMessage("Plain");

		// add Text2 entry field onto Shell
		txt2 = new Text(comp, SWT.SINGLE|SWT.BORDER);
		fd = new FormData();
		fd.left = new FormAttachment(0, 5);
		fd.top = new FormAttachment(0, 80);
		fd.width = 100;
		fd.height = 40;
		txt2.setLayoutData(fd);
		txt2.setMessage("<LessThan");
		
		// add Text3 (read only) entry field onto Shell
		txt3 = new Text(comp, SWT.SINGLE|SWT.BORDER|SWT.READ_ONLY);
		fd = new FormData();
		fd.left = new FormAttachment(0, 150);
		fd.top = new FormAttachment(0, 5);
		fd.width = 100;
		fd.height = 40;
		txt3.setLayoutData(fd);
		txt3.setMessage("GreaterThan>");

		// add Text4 (read only) entry field onto Shell
		txt4 = new Text(comp, SWT.SINGLE|SWT.BORDER|SWT.READ_ONLY);
		fd = new FormData();
		fd.left = new FormAttachment(0, 150);
		fd.top = new FormAttachment(0, 80);
		fd.width = 100;
		fd.height = 40;
		txt4.setLayoutData(fd);
		txt4.setMessage("LikeATag");
		
		// set field background colours
		txt1.setBackground(new Color(null, new RGB(0,255,0)));
		txt2.setBackground(null);
		txt3.setBackground(new Color(null, new RGB(0,255,0)));
		txt4.setBackground(null);

		shell.open();

		System.out.println("BugSnippy Done!");
	}

}


The text field with the "<LessThan" setMessage does not appear, so you end up with a display like this:

index.php/fa/15836/0/

Cheers, John

p.s. sorry about the dodgy colours in the snippet
Embarrassed


---
Just because you can doesn't mean you should

[Updated on: Mon, 05 August 2013 08:43]

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Re: setMessage Hints with &amp;lt; character [message #1080692 is a reply to message #1079925] Tue, 06 August 2013 09:14 Go to previous messageGo to next message
Ralf Sternberg is currently offline Ralf Sternberg
Messages: 1290
Registered: July 2009
Senior Member

Thanks John, now I see it. Nice choice of colors BTW :-P
Actually, I missed that this is about the message, not the text, sorry.
Could you open a bug for it?

Here's a minimal snippet, that can be started directly with the RWT
launcher (Run As... > RWT Application)

public class TextMessageSnippet extends AbstractEntryPoint {

@Override
protected void createContents( Composite parent ) {
parent.setLayout( new GridLayout() );
new Text( parent, SWT.BORDER ).setText( "less<than" );
new Text( parent, SWT.BORDER ).setText( "greater>than" );
new Text( parent, SWT.BORDER ).setMessage( "less<than" );
new Text( parent, SWT.BORDER ).setMessage( "greater>than" );
}

}

Best Regards,
Ralf

--
Ralf Sternberg

Twitter: @EclipseRAP
Blog: http://eclipsesource.com/blogs/

Professional services for RAP and RCP?
http://eclipsesource.com/services/rap/
Re: setMessage Hints with &amp;lt; character [message #1080699 is a reply to message #1080692] Tue, 06 August 2013 09:24 Go to previous message
John Gymer is currently offline John Gymer
Messages: 187
Registered: November 2012
Location: UK
Senior Member
Thanks Ralf.
Bug raised: https://bugs.eclipse.org/bugs/show_bug.cgi?id=414474


---
Just because you can doesn't mean you should
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