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Normal Topic TextArea in ShapeNode (Read 2925 times)
shalex
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TextArea in ShapeNode
Jan 17th, 2010 at 7:34am
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Hi Stoyo, one more question about ShapeNode.
I need that a text would be aligned below the shape in any case and if it's possible the text would be displayed without the trimming and an initial shape size wouldn't be changed.

I've tried several variants:
- resizing a textarea in the shape but I couldn't do it without changing shape size
- using empty textarea and setting LineAlignment property to Far - I've got the text over the shape

Now I think to combine a shapenode with text in ContainerNode but may be you could suggest another way?
  
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Stoyo
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Re: TextArea in ShapeNode
Reply #1 - Jan 17th, 2010 at 12:13pm
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Hi,

You could set the shapes text area to a very large rectangle starting from Y = 100:

Code
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foreach (Shape shape in Shape.Shapes)
{
	shape.TextArea = new ElementTemplate[]
	{
		new LineTemplate(-1000, 100, 1100, 100),
		new LineTemplate(1100, 100, 1100, 1000),
		new LineTemplate(1100, 1000, -1000, 1000),
		new LineTemplate(-1000, 1000, -1000, 100)
	};
}


Now if you set TextFormat to be top-aligned and horizontally-centered, the nodes should be able to display very long texts without trimming.

Some other options are:

- inherit from ShapeNode and override its Draw and GetRepaintRect methods to draw text below the node's shape.

- create a separate ShapeNode to display the label, place it below the main node, and call labelNode.AttachTo(mainNode, AttachToNode.BottomLeft)

I hope that helps,
Stoyan
  
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shalex
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Re: TextArea in ShapeNode
Reply #2 - Jan 19th, 2010 at 5:54am
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Hi, Stoyan!
I've tried the first option and text isn't being displayed at all. May be I do smth wrong. Could you provide some more code? What does it mean "TextFormat to be top-aligned"?

Thanks
  
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Stoyo
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Re: TextArea in ShapeNode
Reply #3 - Jan 19th, 2010 at 8:28am
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Hi Alex,

Set the TextFormat's LineAlignment to Near, or the text would be displayed far below the shape.

Stoyan
  
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shalex
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Re: TextArea in ShapeNode
Reply #4 - Jan 19th, 2010 at 11:12am
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I did it, now I see the text, but just after creation the text is not fully displayed, I guess it's cliiped by some region. If I remove the focus from the view, the view will be repainted and the text will be displayed well. May be I should force repaint by myself?
« Last Edit: Jan 19th, 2010 at 12:12pm by shalex »  
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Stoyo
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Re: TextArea in ShapeNode
Reply #5 - Jan 19th, 2010 at 12:12pm
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Hi,

Ok, currently this will repaint correctly only if you define the text area through a Shape constructor, instead of setting it through the property. There's some repaint area flag that the constructor sets and the property does not. We'll fix the property setter in the next few days.

Stoyan
  
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shalex
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Re: TextArea in ShapeNode
Reply #6 - Jan 20th, 2010 at 6:28am
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Thank you, Stoyan. I tried to recreate Shape with a new text area before the setting to a SHapeNode and it works.
  
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