create some classes about Design

src/burai/atoms/design/AtomDesign.java

@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2017 Satomichi Nishihara
+ *
+ * This file is distributed under the terms of the
+ * GNU General Public License. See the file `LICENSE'
+ * in the root directory of the present distribution,
+ * or http://www.gnu.org/copyleft/gpl.txt .
+ */
+
+package burai.atoms.design;
+
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.List;
+
+import burai.atoms.element.ElementUtil;
+import javafx.scene.paint.Color;
+
+public class AtomDesign {
+
+    private static final int MAX_COUNT_LISTENERS = 16;
+
+    private int countListeners;
+
+    private List<WeakReference<AtomDesignListener>> listeners;
+
+    private double radius;
+
+    private Color color;
+
+    public AtomDesign(double radius, Color color) {
+        if (radius <= 0.0) {
+            throw new IllegalArgumentException("radius is not positive.");
+        }
+
+        if (color == null) {
+            throw new IllegalArgumentException("color is null.");
+        }
+
+        this.countListeners = 0;
+        this.listeners = null;
+
+        this.radius = radius;
+        this.color = color;
+    }
+
+    public AtomDesign(double radius, double red, double green, double blue) {
+        this(radius, Color.color(red, green, blue));
+    }
+
+    public AtomDesign(String name) {
+        this(ElementUtil.getCovalentRadius(name), ElementUtil.getColor(name));
+    }
+
+    public void addListener(AtomDesignListener listener) {
+        if (listener == null) {
+            return;
+        }
+
+        if (this.listeners == null) {
+            this.listeners = new ArrayList<>();
+        }
+
+        this.refreshListeners();
+
+        this.listeners.add(new WeakReference<AtomDesignListener>(listener));
+    }
+
+    private void refreshListeners() {
+        if (this.listeners == null || this.listeners.isEmpty()) {
+            return;
+        }
+
+        if (this.countListeners < MAX_COUNT_LISTENERS) {
+            this.countListeners++;
+            return;
+        }
+
+        this.countListeners = 0;
+
+        int numListeners = this.listeners.size();
+        for (int i = (numListeners - 1); i >= 0; i--) {
+            WeakReference<AtomDesignListener> weakListener = this.listeners.get(i);
+            AtomDesignListener listener = weakListener == null ? null : weakListener.get();
+            if (listener == null) {
+                this.listeners.remove(i);
+            }
+        }
+    }
+
+    public double getRadius() {
+        return this.radius;
+    }
+
+    public void setRadius(double radius) {
+        if (this.radius <= 0.0) {
+            return;
+        }
+
+        this.radius = radius;
+
+        if (this.listeners != null && !this.listeners.isEmpty()) {
+            for (WeakReference<AtomDesignListener> weakListener : this.listeners) {
+                AtomDesignListener listener = weakListener == null ? null : weakListener.get();
+                if (listener != null) {
+                    listener.onRadiusChanged(radius);
+                }
+            }
+        }
+    }
+
+    public Color getColor() {
+        return this.color;
+    }
+
+    public void setColor(Color color) {
+        if (this.color == null) {
+            return;
+        }
+
+        this.color = color;
+
+        if (this.listeners != null && !this.listeners.isEmpty()) {
+            for (WeakReference<AtomDesignListener> weakListener : this.listeners) {
+                AtomDesignListener listener = weakListener == null ? null : weakListener.get();
+                if (listener != null) {
+                    listener.onColorChanged(color);
+                }
+            }
+        }
+    }
+
+}

src/burai/atoms/design/AtomDesignListener.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2017 Satomichi Nishihara
+ *
+ * This file is distributed under the terms of the
+ * GNU General Public License. See the file `LICENSE'
+ * in the root directory of the present distribution,
+ * or http://www.gnu.org/copyleft/gpl.txt .
+ */
+
+package burai.atoms.design;
+
+import javafx.scene.paint.Color;
+
+public interface AtomDesignListener {
+
+    public abstract void onRadiusChanged(double radius);
+
+    public abstract void onColorChanged(Color color);
+
+}

src/burai/atoms/design/AtomsStyle.java

@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2017 Satomichi Nishihara
+ *
+ * This file is distributed under the terms of the
+ * GNU General Public License. See the file `LICENSE'
+ * in the root directory of the present distribution,
+ * or http://www.gnu.org/copyleft/gpl.txt .
+ */
+
+package burai.atoms.design;
+
+public enum AtomsStyle {
+
+    BALL,
+    STICK,
+    BALL_STICK;
+
+}

src/burai/atoms/design/ViewerDesign.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2017 Satomichi Nishihara
+ *
+ * This file is distributed under the terms of the
+ * GNU General Public License. See the file `LICENSE'
+ * in the root directory of the present distribution,
+ * or http://www.gnu.org/copyleft/gpl.txt .
+ */
+
+package burai.atoms.design;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import javafx.scene.paint.Color;
+
+public class ViewerDesign {
+
+    private AtomsStyle atomsStyle;
+
+    private Color backColor;
+
+    private Color fontColor;
+
+    private Color cellColor;
+
+    private boolean showingLegend;
+
+    private boolean showingAxis;
+
+    private boolean showingCell;
+
+    private double bondWidth;
+
+    private double cellWidth;
+
+    private Map<String, AtomDesign> atomDesigns;
+
+    public ViewerDesign() {
+        this.atomsStyle = AtomsStyle.BALL_STICK;
+        this.backColor = null;
+        this.fontColor = null;
+        this.cellColor = null;
+        this.showingLegend = true;
+        this.showingAxis = true;
+        this.showingCell = true;
+        this.bondWidth = 1.0;
+        this.cellWidth = 1.0;
+        this.atomDesigns = null;
+    }
+
+    public AtomsStyle getAtomsStyle() {
+        return this.atomsStyle;
+    }
+
+    public Color getBackColor() {
+        return this.backColor;
+    }
+
+    public Color getFontColor() {
+        return this.fontColor;
+    }
+
+    public Color getCellColor() {
+        return this.cellColor;
+    }
+
+    public boolean isShowingLegend() {
+        return this.showingLegend;
+    }
+
+    public boolean isShowingAxis() {
+        return this.showingAxis;
+    }
+
+    public boolean isShowingCell() {
+        return this.showingCell;
+    }
+
+    public double getBondWidth() {
+        return this.bondWidth;
+    }
+
+    public double getCellWidth() {
+        return this.cellWidth;
+    }
+
+    public AtomDesign getAtomDesign(String name) {
+        if (name == null || name.isEmpty()) {
+            return null;
+        }
+
+        if (this.atomDesigns == null) {
+            this.atomDesigns = new HashMap<>();
+        }
+
+        if (!this.atomDesigns.containsKey(name)) {
+            this.atomDesigns.put(name, new AtomDesign(name));
+        }
+
+        return this.atomDesigns.get(name);
+    }
+
+}