src/utils/IdealGraphVisualizer/View/src/com/sun/hotspot/igv/view/widgets/SlotWidget.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * 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 (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 package com.sun.hotspot.igv.view.widgets;

 import com.sun.hotspot.igv.graph.Figure;
 import com.sun.hotspot.igv.graph.OutputSlot;
 import com.sun.hotspot.igv.graph.Slot;
 import com.sun.hotspot.igv.util.DoubleClickHandler;
 import com.sun.hotspot.igv.view.DiagramScene;
 import java.awt.Color;
 import java.awt.Font;
 import java.awt.Graphics2D;
 import java.awt.Rectangle;
 import java.awt.geom.Rectangle2D;
 import java.util.HashSet;
 import java.util.Set;
 import org.netbeans.api.visual.action.WidgetAction;
 import org.netbeans.api.visual.model.ObjectState;
 import org.netbeans.api.visual.widget.Widget;

 /**
  *
  * @author Thomas Wuerthinger
  */
 public abstract class SlotWidget extends Widget implements DoubleClickHandler {

     private Slot slot;
     private FigureWidget figureWidget;
     private static double TEXT_ZOOM_FACTOR = 0.9;
     private static double ZOOM_FACTOR = 0.6;
     private DiagramScene diagramScene;

     public SlotWidget(Slot slot, DiagramScene scene, Widget parent, FigureWidget fw) {
         super(scene);
         this.diagramScene = scene;
         this.slot = slot;
         figureWidget = fw;
         this.setToolTipText("<HTML>" + slot.getToolTipText() + "</HTML>");
         this.setCheckClipping(true);
         parent.addChild(this);

         //this.setPreferredBounds(this.calculateClientArea());
     }

     @Override
     protected void notifyStateChanged(ObjectState previousState, ObjectState state) {
         super.notifyStateChanged(previousState, state);
         repaint();
     }

     public Slot getSlot() {
         return slot;
     }

     public FigureWidget getFigureWidget() {
         return figureWidget;
     }

     @Override
     protected void paintWidget() {

         if (getScene().getZoomFactor() < ZOOM_FACTOR) {
             return;
         }

         Graphics2D g = this.getGraphics();
         // g.setColor(Color.DARK_GRAY);
         int w = this.getBounds().width;
         int h = this.getBounds().height;

         if (getSlot().getSource().getSourceNodes().size() > 0) {
             final int SMALLER = 0;
             g.setColor(getSlot().getColor());

             int FONT_OFFSET = 2;

             int s = h - SMALLER;
             int rectW = s;

             Font font = this.getSlot().getFigure().getDiagram().getSlotFont();
             if (this.getState().isSelected()) {
                 font = font.deriveFont(Font.BOLD);
             }

             if (getSlot().getShortName() != null && getSlot().getShortName().length() > 0) {
                 g.setFont(font);
                 Rectangle2D r1 = g.getFontMetrics().getStringBounds(getSlot().getShortName(), g);
                 rectW = (int) r1.getWidth() + FONT_OFFSET * 2;
             }
             g.fillRect(w / 2 - rectW / 2, 0, rectW - 1, s - 1);

             if (this.getState().isHighlighted()) {
                 g.setColor(Color.BLUE);
             } else {
                 g.setColor(Color.BLACK);
             }
             g.drawRect(w / 2 - rectW / 2, 0, rectW - 1, s - 1);

             if (getSlot().getShortName() != null && getSlot().getShortName().length() > 0 && getScene().getZoomFactor() >= TEXT_ZOOM_FACTOR) {
                 Rectangle2D r1 = g.getFontMetrics().getStringBounds(getSlot().getShortName(), g);
                 g.drawString(getSlot().getShortName(), (int) (w - r1.getWidth()) / 2, g.getFontMetrics().getAscent() - 1);//(int) (r1.getHeight()));
             }

         } else {

             if (this.getSlot().getConnections().isEmpty()) {
                 if (this.getState().isHighlighted()) {
                     g.setColor(Color.BLUE);
                 } else {
                     g.setColor(Color.BLACK);
                 }
                 int r = 2;
                 if (slot instanceof OutputSlot) {
                     g.fillOval(w / 2 - r, Figure.SLOT_WIDTH - Figure.SLOT_START - r, 2 * r, 2 * r);
                 } else {
                     g.fillOval(w / 2 - r, Figure.SLOT_START - r, 2 * r, 2 * r);
                 }
             } else {
                 // Do not paint a slot with connections.
             }
         }
     }

     @Override
     protected Rectangle calculateClientArea() {
         return new Rectangle(0, 0, slot.getWidth(), Figure.SLOT_WIDTH);
     }

     protected abstract int calculateSlotWidth();

     protected int calculateWidth(int count) {
         return getFigureWidget().getFigure().getWidth() / count;
     }

     @Override
     public void handleDoubleClick(Widget w, WidgetAction.WidgetMouseEvent e) {
         Set<Integer> hiddenNodes = new HashSet<>(diagramScene.getModel().getHiddenNodes());
         if (diagramScene.isAllVisible()) {
             hiddenNodes = new HashSet<>(diagramScene.getModel().getGraphToView().getGroup().getAllNodes());
         }

         boolean progress = false;
         for (Figure f : diagramScene.getModel().getDiagramToView().getFigures()) {
             for (Slot s : f.getSlots()) {
                 if (DiagramScene.doesIntersect(s.getSource().getSourceNodesAsSet(), slot.getSource().getSourceNodesAsSet())) {
                     progress = true;
                     hiddenNodes.removeAll(f.getSource().getSourceNodesAsSet());
                 }
             }
         }

         if (progress) {
             this.diagramScene.getModel().showNot(hiddenNodes);
         }
     }
 }
	/*
	* Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* 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 (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*
	*/
	package com.sun.hotspot.igv.view.widgets;

	import com.sun.hotspot.igv.graph.Figure;
	import com.sun.hotspot.igv.graph.OutputSlot;
	import com.sun.hotspot.igv.graph.Slot;
	import com.sun.hotspot.igv.util.DoubleClickHandler;
	import com.sun.hotspot.igv.view.DiagramScene;
	import java.awt.Color;
	import java.awt.Font;
	import java.awt.Graphics2D;
	import java.awt.Rectangle;
	import java.awt.geom.Rectangle2D;
	import java.util.HashSet;
	import java.util.Set;
	import org.netbeans.api.visual.action.WidgetAction;
	import org.netbeans.api.visual.model.ObjectState;
	import org.netbeans.api.visual.widget.Widget;

	/**
	*
	* @author Thomas Wuerthinger
	*/
	public abstract class SlotWidget extends Widget implements DoubleClickHandler {

	private Slot slot;
	private FigureWidget figureWidget;
	private static double TEXT_ZOOM_FACTOR = 0.9;
	private static double ZOOM_FACTOR = 0.6;
	private DiagramScene diagramScene;

	public SlotWidget(Slot slot, DiagramScene scene, Widget parent, FigureWidget fw) {
	super(scene);
	this.diagramScene = scene;
	this.slot = slot;
	figureWidget = fw;
	this.setToolTipText("<HTML>" + slot.getToolTipText() + "</HTML>");
	this.setCheckClipping(true);
	parent.addChild(this);

	//this.setPreferredBounds(this.calculateClientArea());
	}

	@Override
	protected void notifyStateChanged(ObjectState previousState, ObjectState state) {
	super.notifyStateChanged(previousState, state);
	repaint();
	}

	public Slot getSlot() {
	return slot;
	}

	public FigureWidget getFigureWidget() {
	return figureWidget;
	}

	@Override
	protected void paintWidget() {

	if (getScene().getZoomFactor() < ZOOM_FACTOR) {
	return;
	}

	Graphics2D g = this.getGraphics();
	// g.setColor(Color.DARK_GRAY);
	int w = this.getBounds().width;
	int h = this.getBounds().height;

	if (getSlot().getSource().getSourceNodes().size() > 0) {
	final int SMALLER = 0;
	g.setColor(getSlot().getColor());

	int FONT_OFFSET = 2;

	int s = h - SMALLER;
	int rectW = s;

	Font font = this.getSlot().getFigure().getDiagram().getSlotFont();
	if (this.getState().isSelected()) {
	font = font.deriveFont(Font.BOLD);
	}

	if (getSlot().getShortName() != null && getSlot().getShortName().length() > 0) {
	g.setFont(font);
	Rectangle2D r1 = g.getFontMetrics().getStringBounds(getSlot().getShortName(), g);
	rectW = (int) r1.getWidth() + FONT_OFFSET * 2;
	}
	g.fillRect(w / 2 - rectW / 2, 0, rectW - 1, s - 1);

	if (this.getState().isHighlighted()) {
	g.setColor(Color.BLUE);
	} else {
	g.setColor(Color.BLACK);
	}
	g.drawRect(w / 2 - rectW / 2, 0, rectW - 1, s - 1);

	if (getSlot().getShortName() != null && getSlot().getShortName().length() > 0 && getScene().getZoomFactor() >= TEXT_ZOOM_FACTOR) {
	Rectangle2D r1 = g.getFontMetrics().getStringBounds(getSlot().getShortName(), g);
	g.drawString(getSlot().getShortName(), (int) (w - r1.getWidth()) / 2, g.getFontMetrics().getAscent() - 1);//(int) (r1.getHeight()));
	}

	} else {

	if (this.getSlot().getConnections().isEmpty()) {
	if (this.getState().isHighlighted()) {
	g.setColor(Color.BLUE);
	} else {
	g.setColor(Color.BLACK);
	}
	int r = 2;
	if (slot instanceof OutputSlot) {
	g.fillOval(w / 2 - r, Figure.SLOT_WIDTH - Figure.SLOT_START - r, 2 * r, 2 * r);
	} else {
	g.fillOval(w / 2 - r, Figure.SLOT_START - r, 2 * r, 2 * r);
	}
	} else {
	// Do not paint a slot with connections.
	}
	}
	}

	@Override
	protected Rectangle calculateClientArea() {
	return new Rectangle(0, 0, slot.getWidth(), Figure.SLOT_WIDTH);
	}

	protected abstract int calculateSlotWidth();

	protected int calculateWidth(int count) {
	return getFigureWidget().getFigure().getWidth() / count;
	}

	@Override
	public void handleDoubleClick(Widget w, WidgetAction.WidgetMouseEvent e) {
	Set<Integer> hiddenNodes = new HashSet<>(diagramScene.getModel().getHiddenNodes());
	if (diagramScene.isAllVisible()) {
	hiddenNodes = new HashSet<>(diagramScene.getModel().getGraphToView().getGroup().getAllNodes());
	}

	boolean progress = false;
	for (Figure f : diagramScene.getModel().getDiagramToView().getFigures()) {
	for (Slot s : f.getSlots()) {
	if (DiagramScene.doesIntersect(s.getSource().getSourceNodesAsSet(), slot.getSource().getSourceNodesAsSet())) {
	progress = true;
	hiddenNodes.removeAll(f.getSource().getSourceNodesAsSet());
	}
	}
	}

	if (progress) {
	this.diagramScene.getModel().showNot(hiddenNodes);
	}
	}
	}