public string GetTooltip(MarkerContext ctx)
{
// A MarkerContext object contains state describing a text editor instance of a link definition.
// GetTooltip gets called when the mouse cursor hovers over plugin-associated link text.
// It is possible that any member of ctx may be null, string.Empty or 0.
// The returned string can be either plane text or XAML.
// XAML text must be valid in the context of the VASourceLinks.dll assembly, thus all
// resources must be defined in a way which the XAML parser may resolve.
// Return null or String.Empty if you don't need to provide tooltip text from your plugin.
Debug.WriteLine("Source Links calling GetTooltip(MarkerContext)");
// We can determine the link definition behavior from the MarkerContext.
// When Exe != null, then behavior is set to ShellExecute.
// When Url != null, then behavior is set to open URL in Browser.
// The Url, Exe and ExeArgs members of the MarkerContext contain information
// from the link definition; if your plugin overrides URL or Execute, the values
// may be irrelevant.
// Note: In this example, GetUrl is always called because Flags include
// OverrideUrl; user can't select ShellExecute behavior with the default
// implementation of the example plugin.
string actionText = string.Empty;
string actionLabel = string.Empty;
if (Flags.HasFlag(PluginFlags.OverrideExecute))
{
actionLabel = "Execute:";
actionText = "Overridden by plugin";
}
else if (Flags.HasFlag(PluginFlags.OverrideUrl))
{
actionLabel = "Open URL:";
actionText = GetUrl(ctx);
}
else
{
if (ctx.Url != null) // Open URL in Browser
{
actionLabel = "Open URL:";
actionText = ctx.Url;
}
else if (ctx.Exe != null) // ShellExecute
{
actionLabel = "ShellExecute:";
actionText = ctx.Exe;
if (!string.IsNullOrEmpty(ctx.ExeArgs))
{
actionText += " " + ctx.ExeArgs;
}
}
}
// The return string can be either plain text or valid XAML.
// This example demonstrates how to turn simple markup into valid XAML.
// The returned XAML defines a TextBlock.
string tooltip = string.Format(
// We can use formatted markup text for FlowDocument.
// See: https://msdn.microsoft.com/en-us/library/aa970909(v=vs.110).aspx and
// https://docs.microsoft.com/en-us/dotnet/articles/framework/wpf/advanced/flow-document-overview
"<Bold>File name:</Bold> {0}<LineBreak/>" +
"<Bold>Project file name:</Bold> {1}<LineBreak/>" +
"<Bold>Solution file name:</Bold> {2}<LineBreak/>" +
"<Bold>Line:</Bold> {3}<LineBreak/>" +
"<Bold>Column:</Bold> {4}<LineBreak/>" +
"<Bold>Line text:</Bold> {5}<LineBreak/>" +
"<Bold>Marker text:</Bold> {6}<LineBreak/>" +
// Or we can use some HTML inline tags: H1-H6, B, STRONG, I, EM, U, DEL, INS, S, BR
// Those tags are replaced with appropriate XAML tags by calling PluginUtils.WrapMarkupInXAML.
// HTML attributes are not supported.
"<b>Keyword text:</b> {7}<br/>" +
"<b>Value text:</b> {8}<br/>" +
"<b>" + actionLabel + "</b> {9}",
// Images are supported:
// "<Image Source=\"path\\to\\image.jpg\"/>"
// Use PluginUtils.EncodeXML in places where text could contain special XML characters.
PluginUtils.EncodeXML(System.IO.Path.GetFileName(ctx.FileName)), // 0
PluginUtils.EncodeXML(System.IO.Path.GetFileName(ctx.ProjectName)), // 1
PluginUtils.EncodeXML(System.IO.Path.GetFileName(ctx.SolutionName)), // 2
ctx.Line, // 3
ctx.Column, // 4
PluginUtils.EncodeXML(ctx.LineText), // 5
PluginUtils.EncodeXML(ctx.MarkerText), // 6
PluginUtils.EncodeXML(ctx.KeywordText), // 7
PluginUtils.EncodeXML(ctx.ValueText), // 8
PluginUtils.EncodeXML(actionText)); // 9
// PluginUtils.WrapMarkupInXAML replaces selected HTML formatting tags
// with appropriate XAML tags (<b> becomes <Bold> and <br> becomes
// <LineBreak>) and wraps the result into a TextBlock.
// Note: Because WrapMarkupInXAML wraps your input into a TextBlock, it
// can contain ONLY tags derived from Inline. If your tooltip must contain
// Block, then don't use this method; format the whole XAML directly,
// including required namespaces.
return(PluginUtils.WrapMarkupInXAML(tooltip));
}