/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2016 Neil C Smith.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details.
*
* You should have received a copy of the GNU General Public License version 2
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*
*
* Linking this work statically or dynamically with other modules is making a
* combined work based on this work. Thus, the terms and conditions of the GNU
* General Public License cover the whole combination.
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* to link this work with independent modules to produce an executable,
* regardless of the license terms of these independent modules, and to copy and
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* If you do not wish to do so, delete this exception statement from your version.
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* Please visit http://neilcsmith.net if you need additional information or
* have any questions.
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*
* This class is derived from code in NetBeans Visual Library.
* Original copyright notice follows.
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* Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.
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package net.neilcsmith.praxis.live.graph;
import org.netbeans.api.visual.layout.LayoutFactory;
import org.netbeans.api.visual.model.ObjectState;
import org.netbeans.api.visual.widget.LabelWidget;
import org.netbeans.api.visual.widget.Widget;
import java.awt.*;
import java.util.List;
import org.netbeans.api.visual.anchor.Anchor;
/**
* This class represents a pin widget in the VMD visualization style.
* The pin widget consists of a name and a glyph set.
*
* @author David Kaspar
*/
public class PinWidget extends Widget {
public final static String DEFAULT_CATEGORY = "";
private final PraxisGraphScene scene;
private LAFScheme scheme;
private LabelWidget nameWidget;
private GlyphSetWidget glyphsWidget;
private Alignment alignment;
private String category;
/**
* Creates a pin widget with a specific color scheme.
* @param scene the scene
* @param scheme the color scheme
*/
public PinWidget(PraxisGraphScene scene, String name) {
super(scene);
this.scene = scene;
this.scheme = scene.getLookAndFeel();
// setLayout (LayoutFactory.createHorizontalFlowLayout (LayoutFactory.SerialAlignment.CENTER, 8));
this.alignment = Alignment.Center;
this.category = DEFAULT_CATEGORY;
setLayout(LayoutFactory.createOverlayLayout());
addChild(nameWidget = new LabelWidget(scene));
nameWidget.setForeground(Color.BLACK);
nameWidget.setLabel(name);
addChild(glyphsWidget = new GlyphSetWidget(scene));
nameWidget.setAlignment(LabelWidget.Alignment.CENTER);
scheme.installUI(this);
}
/**
* Called to notify about the change of the widget state.
* @param previousState the previous state
* @param state the new state
*/
protected void notifyStateChanged(ObjectState previousState, ObjectState state) {
scheme.updateUI(this);
}
//
// /**
// * Returns a pin name widget.
// * @return the pin name widget
// */
// public Widget getPinNameWidget () {
// return nameWidget;
// }
// /**
// * Sets a pin name.
// * @param name the pin name
// */
// public void setPinName (String name) {
// nameWidget.setLabel (name);
// }
/**
* Returns a pin name.
* @return the pin name
*/
public String getName() {
return nameWidget.getLabel();
}
/**
* Sets pin glyphs.
* @param glyphs the list of images
*/
public void setGlyphs(List<Image> glyphs) {
glyphsWidget.setGlyphs(glyphs);
}
public void setAlignment(Alignment alignment) {
if (alignment == null) {
throw new NullPointerException();
}
nameWidget.setAlignment(getLabelAlignment(alignment));
this.alignment = alignment;
scheme.updateUI(this);
}
public Alignment getAlignment() {
return this.alignment;
}
private LabelWidget.Alignment getLabelAlignment(Alignment alignment) {
switch (alignment) {
case Left:
return LabelWidget.Alignment.LEFT;
case Right:
return LabelWidget.Alignment.RIGHT;
default:
return LabelWidget.Alignment.CENTER;
}
}
public void setCategory(String category) {
if (category == null) {
throw new NullPointerException();
}
this.category = category;
scheme.updateUI(this);
}
public String getCategory() {
return this.category;
}
public Anchor createAnchor() {
return new AlignedAnchor();
}
@Override
public boolean isHitAt(Point localLocation) {
if (scene.isBelowLODThreshold()) {
return false;
} else {
return super.isHitAt(localLocation);
}
}
private class AlignedAnchor extends Anchor {
private AlignedAnchor() {
super(PinWidget.this);
}
@Override
public Result compute(Entry entry) {
Rectangle bounds = convertLocalToScene(getBounds());
int centerY = bounds.y + bounds.height / 2;
int gap = scheme.getAnchorGap();
boolean right;
switch (alignment) {
case Left:
right = false;
break;
case Right:
right = true;
break;
default:
Point opposite = getOppositeSceneLocation(entry);
if (opposite.x > bounds.x) {
right = true;
} else {
right = false;
}
}
if (right) {
return new Anchor.Result(
new Point(bounds.x + bounds.width + gap, centerY),
Direction.RIGHT);
} else {
return new Anchor.Result(
new Point(bounds.x - gap, centerY),
Direction.LEFT);
}
}
}
}