Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[Help Needed] Implement provider for sticky scrolling in JAVA/JDT #1851

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
+65 −0
Open

[Help Needed] Implement provider for sticky scrolling in JAVA/JDT #1851

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 14 additions & 0 deletions org.eclipse.jdt.ui/plugin.xml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7830,4 +7830,18 @@
file-extensions="class without source">
</file-association>
</extension>
<extension
point="org.eclipse.ui.editors.stickyLinesProviders">
<stickyLinesProvider
class="org.eclipse.jdt.internal.ui.javaeditor.StickyLinesProviderJava"
id="org.eclipse.jdt.internal.ui.StickyLinesProviderJava">
<enabledWhen>
<and>
<with variable="editor">
<instanceof value="org.eclipse.jdt.internal.ui.javaeditor.JavaEditor"/>
</with>
</and>
</enabledWhen>
</stickyLinesProvider>
</extension>
</plugin>
51 changes: 51 additions & 0 deletions org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/StickyLinesProviderJava.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,51 @@
package org.eclipse.jdt.internal.ui.javaeditor;
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Please add copyright header.


import java.util.LinkedList;
import java.util.List;

import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.source.ISourceViewer;

import org.eclipse.ui.texteditor.stickyscroll.IStickyLine;
import org.eclipse.ui.texteditor.stickyscroll.IStickyLinesProvider;
import org.eclipse.ui.texteditor.stickyscroll.StickyLine;

import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.ISourceRange;
import org.eclipse.jdt.core.ISourceReference;
import org.eclipse.jdt.core.JavaModelException;

public class StickyLinesProviderJava implements IStickyLinesProvider {

@Override
public List<IStickyLine> getStickyLines(ISourceViewer sourceViewer, int lineNumber, StickyLinesProperties properties) {
LinkedList<IStickyLine> stickyLines= new LinkedList<>();
JavaEditor javaEditor= (JavaEditor) properties.editor();

IJavaElement element= null;
try {
element= javaEditor.getElementAt(sourceViewer.getDocument().getLineOffset(lineNumber));
} catch (BadLocationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

while (element != null) {
if (element.getElementType() == IJavaElement.METHOD || element.getElementType() == IJavaElement.TYPE) {
try {
ISourceRange sourceRange= ((ISourceReference) element).getNameRange();
int offset= sourceRange.getOffset();
int stickyLineNumber= sourceViewer.getDocument().getLineOfOffset(offset);
stickyLines.addFirst(new StickyLine(stickyLineNumber, sourceViewer));
} catch (JavaModelException | BadLocationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
element= element.getParent();
}

return stickyLines;
}

}