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Doc should be shown even if caret is after command (see PY-15816)

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Ilya.Kazakevich
2015-05-09 01:27:12 +03:00
parent 4b8ff1d2cd
commit 04f811252b
1 changed files with 10 additions and 1 deletions
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python/src/com/jetbrains/commandInterface/commandLine/CommandLineDocumentationProvider.java
+10 -1
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@@ -20,6 +20,7 @@ import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiWhiteSpace;
import com.intellij.psi.util.PsiTreeUtil;
import com.jetbrains.commandInterface.command.Command;
import com.jetbrains.commandInterface.command.Help;
@@ -41,10 +42,18 @@ public final class CommandLineDocumentationProvider extends DocumentationProvide
@Nullable
@Override
public String generateDoc(final PsiElement element, @Nullable final PsiElement originalElement) {
final Help help = findHelp(element);
Help help = findHelp(element);
if (help == null && originalElement instanceof PsiWhiteSpace) {
// We need to show doc for command even if cursor is right after it
final PsiElement elementToTheLeft = originalElement.getPrevSibling();
if (elementToTheLeft != null) {
help = findHelp(elementToTheLeft);
}
}
if (help == null) {
return null;
}
final String helpText = help.getHelpString();
// For some reason we can't return empty sting (leads to "fetching doc" string)
return (StringUtil.isEmptyOrSpaces(helpText) ? null : helpText);