Skip to content

ToolTips #9

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

Open
wants to merge 1 commit into
base: dev
Choose a base branch
from
Open

ToolTips #9

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
50 changes: 50 additions & 0 deletions src/org/graphstream/ui/swing_viewer/DefaultView.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -34,9 +34,11 @@
import java.awt.BorderLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.WindowEvent;
Expand All @@ -46,6 +48,7 @@
import java.util.EnumSet;

import javax.swing.JFrame;
import javax.swing.ToolTipManager;

import org.graphstream.ui.graphicGraph.GraphicElement;
import org.graphstream.ui.graphicGraph.GraphicGraph;
Expand Down Expand Up @@ -115,6 +118,9 @@
public class DefaultView extends ViewPanel implements WindowListener, ComponentListener {
private static final long serialVersionUID = -4489484861592064398L;

private static final EnumSet<InteractiveElement> ALL_ELEMS
= EnumSet.allOf(InteractiveElement.class);

/**
* Parent viewer.
*/
Expand Down Expand Up @@ -240,6 +246,50 @@ public void openInAFrame(boolean on) {
}
}

/**
* Turns tool-tips on or off.
* They are off by default.
* This is most useful for tool-tips of individual graph elements (like nodes and edges),
* and it displays the hovered-over elements tooltip text,
* as taken from it's "ui.tooltip" attribute, if one is set.
* @param enabled whether tool-tips are enabled or disabled.
*/
public void setToolTips(final boolean enabled) {

if (enabled) {
ToolTipManager.sharedInstance().registerComponent(this);
} else {
ToolTipManager.sharedInstance().unregisterComponent(this);
}
}

@Override
public String getToolTipText(final MouseEvent evt) {
String text = null;

final GraphicElement graphElement = findGraphicElementAt(ALL_ELEMS, evt.getX(), evt.getY());
if (graphElement != null) {
text = graphElement.getAttribute("ui.tooltip", String.class);
}

if (text == null) {
text = graph.getAttribute("ui.tooltip", String.class);
}

if (text == null) {
text = super.getToolTipText(evt);
}

return text;
}

@Override
public Point getToolTipLocation(final MouseEvent evt) {
final Point p = evt.getPoint();
p.y += 15;
return p;
}

public void render(Graphics2D g) {
// this might only be needed to fix a bug in JetBrains IntelliJ:
// Even if this JComponent is part of a complex AWT layout, getX() and getY() always returns (0,0) - even if
Expand Down