Trim long label text to match link length - Diagramming Components

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Trim long label text to match link length (Read 3190 times)

Kostya Junior Member Offline I Love MindFusion! Posts: 59 Joined: Aug 5^th, 2014	Trim long label text to match link length May 5^th, 2023 at 11:27am	Print Post
	Hi, Let me ask you to help me with one problem related to diagram link labels. The fact is that when the text is long, it overlaps the nodes. If it's impossible to take into account the length of the text when Arrange() to increase the link length, then I would like to at least trim the label and add an ellipsis. In doing this, I could rely on the distance between the nodes (NodeDistance), but there are also longer links, as shown in the screenshot, where there is enough space not to trim their text. So the question is, how could I trim the label based on the length of the section where it is located on the link? The goal is to increase the readability of a diagram with many long link labels. Btw, when i use this value for LinkTextStyle Code Diagram.LinkTextStyle = LinkTextStyle.Rotate; you may notice that the text overlaps the node, although there is still room above to fit it. Can this be fixed as well? Thanks, Kostya

	long_link_label_issue.png ( 19 KB \| 124 Downloads )
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Slavcho YaBB Moderator Offline tech.support Posts: 3440 Joined: Oct 19^th, 2005	Re: Trim long label text to match link length Reply #1 - May 8^th, 2023 at 6:25am	Print Post
	Hi Kostya, Do those straight-line links have more than one segments? In that situation the text still gets centered relatively to the longer segment. You could try resetting the links to single-segment Polyline ones when you detect they contain collinear control points in the middle. Regards, Slavcho Mindfusion


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Kostya Junior Member Offline I Love MindFusion! Posts: 59 Joined: Aug 5^th, 2014	Re: Trim long label text to match link length Reply #2 - May 8^th, 2023 at 7:54am	Print Post
	Hi Slavcho, Got it, I see what you mean about the second issue. Even though the link looks straight, it actually contains a point in the middle. And if I remove extra points, then the label is displayed centered. Thanks! Kostya


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Kostya Junior Member Offline I Love MindFusion! Posts: 59 Joined: Aug 5^th, 2014	Re: Trim long label text to match link length Reply #3 - May 8^th, 2023 at 11:40am	Print Post
	Hi Slavcho, So it's clear about the shifted labels, thanks again. But could you please advise something about the main question? I mean trimming too long labels when it goes beyond it. At the same time, I would like not to cut them when there is enough space for the text. I would appreciate your help. Kostya


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Slavcho YaBB Moderator Offline tech.support Posts: 3440 Joined: Oct 19^th, 2005	Re: Trim long label text to match link length Reply #4 - May 9^th, 2023 at 8:28am	Print Post
	Hi Kostya, Set link.TextTrimming with this build - https://mindfusion.eu/_beta/wpfdiag393.zip Regards, Slavcho Mindfusion


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Kostya Junior Member Offline I Love MindFusion! Posts: 59 Joined: Aug 5^th, 2014	Re: Trim long label text to match link length Reply #5 - May 9^th, 2023 at 4:29pm	Print Post
	Hi Slavcho, Thanks much, this is what I need and works good! Let me clarify one detail. With LinkTextStyle.Rotate I get this. As you can see, the top link's text is perfectly centered, while the trimmed text, below, touches the node, leaving some space after the ellipsis. Is there any way to fix this, at least by setting the indent/padding for the label? I may have missed something but this didn't work: Code link.TextPadding = new Thickness(10); Thanks, Kostya

	long_link_label_issue2.png ( 8 KB \| 130 Downloads )
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Slavcho YaBB Moderator Offline tech.support Posts: 3440 Joined: Oct 19^th, 2005	Re: Trim long label text to match link length Reply #6 - May 11^th, 2023 at 7:33am	Print Post
	Hi Kostya, TextPadding is defined in base class but not applied by DiagramLinks at this time. New build should center the trimmed text more accurately - https://mindfusion.eu/_beta/wpfdiag393.zip Regards, Slavcho Mindfusion


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Kostya Junior Member Offline I Love MindFusion! Posts: 59 Joined: Aug 5^th, 2014	Re: Trim long label text to match link length Reply #7 - May 12^th, 2023 at 11:53am	Print Post
	Thanks much Slavcho, this build works great!


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