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Draw tool tips at a most-reasonable position, and updated to use

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ToolTipProvider interface for Node tool tips.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@317 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Walter Korman
2001-08-28 23:50:45 +00:00
parent 00efd9960a
commit b882283cd3
3 changed files with 83 additions and 38 deletions
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src/java/com/threerings/nodemap/Node.java
+22 -15
View File
@@ -1,11 +1,12 @@
//
// $Id: Node.java,v 1.4 2001/08/27 21:38:41 shaper Exp $
// $Id: Node.java,v 1.5 2001/08/28 23:50:45 shaper Exp $
package com.threerings.nodemap;
import java.awt.*;
import java.util.*;
import com.samskivert.swing.ToolTipProvider;
import com.samskivert.swing.util.SwingUtil;
/**
@@ -13,7 +14,7 @@ import com.samskivert.swing.util.SwingUtil;
*
* @see NodeMap
*/
public abstract class Node
public abstract class Node implements ToolTipProvider
{
/**
* Construct a node with the given attributes.
@@ -144,26 +145,32 @@ public abstract class Node
* name.
*
* @param g the graphics context.
* @param x the x-position at which the tip should be drawn.
* @param y the y-position at which the tip should be drawn.
*/
public void paintToolTip (Graphics g)
public void paintToolTip (Graphics g, int x, int y)
{
// calculate tool tip position and dimensions
Dimension d = getToolTipSize(g);
// draw the yellow box
g.setColor(Color.yellow);
g.fillRect(x, y, d.width, d.height);
g.setColor(Color.black);
g.drawRect(x, y, d.width, d.height);
// draw the node name
SwingUtil.drawStringCentered(g, _name, x, y, d.width, d.height);
}
public Dimension getToolTipSize (Graphics g)
{
// calculate tool tip dimensions
FontMetrics fm = g.getFontMetrics(g.getFont());
int wid = fm.stringWidth(_name) + 10;
int hei = fm.getAscent() + 4;
int xpos = _x + ((_width - wid) / 2);
int ypos = _y + ((_height - hei) / 2);
// draw the yellow box
g.setColor(Color.yellow);
g.fillRect(xpos, ypos, wid, hei);
g.setColor(Color.black);
g.drawRect(xpos, ypos, wid, hei);
// draw the node name
SwingUtil.drawStringCentered(g, _name, xpos, ypos, wid, hei);
return new Dimension(wid, hei);
}
/**
src/java/com/threerings/nodemap/NodeMap.java
+51 -18
View File
@@ -1,5 +1,5 @@
//
// $Id: NodeMap.java,v 1.3 2001/08/23 23:44:12 shaper Exp $
// $Id: NodeMap.java,v 1.4 2001/08/28 23:50:45 shaper Exp $
package com.threerings.nodemap;
@@ -8,6 +8,8 @@ import java.util.*;
import javax.swing.JComponent;
import com.samskivert.swing.ToolTipManager;
import com.samskivert.swing.ToolTipProvider;
import com.samskivert.swing.util.ToolTipUtil;
/**
* The node map class represents a directed graph of nodes comprised
@@ -106,8 +108,13 @@ public class NodeMap
}
// draw the tool tip, if any
if (_tip != null) {
_tip.paintToolTip(g);
if (_tipper != null) {
// determine proper tool tip placement
Point pos = ToolTipUtil.getTipPosition(
_tipx, _tipy, _tipper.getToolTipSize(g), getBounds());
// paint away
_tipper.paintToolTip(g, pos.x, pos.y);
}
// restore original origin
@@ -182,6 +189,15 @@ public class NodeMap
return new Dimension(_maxx - _minx, _maxy - _miny);
}
/**
* Return the bounding rectangle of the node map.
*/
public Rectangle getBounds ()
{
Dimension size = getSize();
return new Rectangle(_minx, _miny, size.width, size.height);
}
/**
* Handle mouse-moved events passed on by the containing panel.
* Inform any affected nodes of mouse-entered and mouse-exited
@@ -194,15 +210,15 @@ public class NodeMap
{
Node enternode = null;
// tell the tip manager that the mouse moved
if (_tipmgr != null) {
_tipmgr.handleMouseMoved();
}
// translate coordinates to node map origin
x += _minx;
y += _miny;
// tell the tip manager that the mouse moved
if (_tipmgr != null) {
_tipmgr.handleMouseMoved(x, y);
}
// check whether we've entered a node
int size = _nodes.size();
for (int ii = 0; ii < size; ii++) {
@@ -225,7 +241,7 @@ public class NodeMap
_lastnode.handleMouseExited();
if (_tipmgr != null) {
_tipmgr.handleMouseExited(_lastnode);
_tipmgr.handleMouseExited();
}
}
@@ -234,7 +250,7 @@ public class NodeMap
enternode.handleMouseEntered();
if (_tipmgr != null) {
_tipmgr.handleMouseEntered(enternode);
_tipmgr.handleMouseEntered(enternode, x, y);
}
}
@@ -278,14 +294,28 @@ public class NodeMap
}
/**
* Set the node whose tool tip should be displayed when the node
* map is rendered.
*
* @param node the tool tip node.
* Handle mouse-exited events passed on by the containing panel.
* Inform the tool tip manager that we've exited any node we may
* have been within.
*/
public void setToolTipNode (Node node)
public void handleMouseExited ()
{
_tip = node;
handleMouseMoved(-1, -1);
}
/**
* Set the tool tip provider for display when the node map is
* rendered.
*
* @param tipper the tool tip provider
* @param x the last mouse x-position.
* @param y the last mouse y-position.
*/
public void setToolTipProvider (ToolTipProvider tipper, int x, int y)
{
_tipper = tipper;
_tipx = x;
_tipy = y;
}
/**
@@ -299,8 +329,11 @@ public class NodeMap
_tipmgr = tipmgr;
}
/** The node whose tool tip is currently displayed. */
protected Node _tip;
/** The current tool tip provider. */
protected ToolTipProvider _tipper;
/** The mouse position for calculating tool tip display position. */
protected int _tipx, _tipy;
/** The tool tip manager. */
protected ToolTipManager _tipmgr;
src/java/com/threerings/nodemap/NodeMapPanel.java
+10 -5
View File
@@ -1,5 +1,5 @@
//
// $Id: NodeMapPanel.java,v 1.2 2001/08/23 00:22:30 shaper Exp $
// $Id: NodeMapPanel.java,v 1.3 2001/08/28 23:50:45 shaper Exp $
package com.threerings.nodemap;
@@ -9,6 +9,7 @@ import javax.swing.*;
import com.samskivert.swing.ToolTipManager;
import com.samskivert.swing.ToolTipObserver;
import com.samskivert.swing.ToolTipProvider;
/**
* The node map panel handles display of a node map and passes Swing
@@ -40,15 +41,15 @@ public class NodeMapPanel extends JPanel
return _map.getSize();
}
public void showToolTip (Object target)
public void showToolTip (ToolTipProvider tipper, int x, int y)
{
_map.setToolTipNode((Node)target);
_map.setToolTipProvider(tipper, x, y);
repaint();
}
public void hideToolTip ()
{
showToolTip(null);
showToolTip(null, -1, -1);
}
public JComponent getComponent ()
@@ -63,10 +64,14 @@ public class NodeMapPanel extends JPanel
_map.handleMouseClicked(e.getX(), e.getY());
}
public void mouseExited (MouseEvent e)
{
_map.handleMouseExited();
}
public void mousePressed (MouseEvent e) { }
public void mouseReleased (MouseEvent e) { }
public void mouseEntered (MouseEvent e) { }
public void mouseExited (MouseEvent e) { }
/** MouseMotionListener interface methods */