diff --git a/src/plugins/adufour/protocols/gui/link/DragDropZone.java b/src/plugins/adufour/protocols/gui/link/DragDropZone.java
index ddc6c8158452dc837dcad8d1cd82d2c7edda2292..b7319cbdab7f2cd580474defdad6a65d83804cfd 100644
--- a/src/plugins/adufour/protocols/gui/link/DragDropZone.java
+++ b/src/plugins/adufour/protocols/gui/link/DragDropZone.java
@@ -1,8 +1,5 @@
package plugins.adufour.protocols.gui.link;
-import icy.resource.ResourceUtil;
-import icy.sequence.Sequence;
-
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics2D;
@@ -16,6 +13,8 @@ import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.TransferHandler;
+import icy.resource.ResourceUtil;
+import icy.sequence.Sequence;
import plugins.adufour.blocks.lang.BlockDescriptor;
import plugins.adufour.blocks.lang.WorkFlow;
import plugins.adufour.vars.lang.Var;
@@ -27,88 +26,93 @@ import plugins.adufour.vars.util.VarListener;
@SuppressWarnings("serial")
public abstract class DragDropZone extends JButton implements VarListener<Boolean>, TypeChangeListener
{
- protected static final int DRAGnDROP_ACTION = TransferHandler.LINK;
-
- public static final int DEFAULT_ICON_SIZE = 13;
-
- public static final Image LINK_RIGHT = ResourceUtil.getAlphaIconAsImage("round_arrow_right.png");
-
- public static final Image LINK_LEFT = ResourceUtil.getAlphaIconAsImage("round_arrow_left.png");
-
- public static final Image PIN_LEFT = ResourceUtil.getAlphaIconAsImage("pin_map_left.png");
-
- public static final Image PIN_RIGHT = ResourceUtil.getAlphaIconAsImage("pin_map_right.png");
-
- public static final Image BUTTON = ResourceUtil.getAlphaIconAsImage("round.png");
-
- private final Var<?> variable;
-
- private int iconSize = DEFAULT_ICON_SIZE;
-
- private Icon defaultIcon;
-
- private final Icon errorIcon;
-
- private final Icon emptyIcon = new ImageIcon(ResourceUtil.ICON_NULL);
-
+ protected static final int DRAGnDROP_ACTION = TransferHandler.LINK;
+
+ public static final int DEFAULT_ICON_SIZE = 13;
+
+ public static final Image LINK_RIGHT = ResourceUtil.getAlphaIconAsImage("round_arrow_right.png");
+
+ public static final Image LINK_LEFT = ResourceUtil.getAlphaIconAsImage("round_arrow_left.png");
+
+ public static final Image PIN_LEFT = ResourceUtil.getAlphaIconAsImage("pin_map_left.png");
+
+ public static final Image PIN_RIGHT = ResourceUtil.getAlphaIconAsImage("pin_map_right.png");
+
+ public static final Image BUTTON = ResourceUtil.getAlphaIconAsImage("round.png");
+
+ private final Var<?> variable;
+
+ private int iconSize = DEFAULT_ICON_SIZE;
+
+ private Icon defaultIcon;
+
+ private final Icon errorIcon;
+
+ private final Icon emptyIcon = new ImageIcon(ResourceUtil.ICON_NULL);
+
/**
* Creates a new drop zone for the given variable
*
* @param flowPane
- * the flow pane where variable links will come from
+ * the flow pane where variable links will come from
* @param block
- * the box that owns the specified input
+ * the box that owns the specified input
* @param input
- * the input variable to link to
+ * the input variable to link to
* @return
*/
public static <T> DragDropZone createDropZone(Image image, WorkFlow workFlow, BlockDescriptor block, Var<T> input)
{
return new DropZone<T>(image, workFlow, block, input);
}
-
+
/**
* Creates a new drag zone for the given variable
*
* @param workFlow
- * the work flow where variable links will go to
+ * the work flow where variable links will go to
* @param block
- * the box that owns the specified output
+ * the box that owns the specified output
* @param variable
- * the input variable to link
+ * the input variable to link
* @return
*/
- public static <T> DragDropZone createDragZone(Image image, WorkFlow workFlow, BlockDescriptor block, Var<T> variable)
+ public static <T> DragDropZone createDragZone(Image image, WorkFlow workFlow, BlockDescriptor block,
+ Var<T> variable)
{
return new DragZone<T>(image, workFlow, block, variable);
}
-
+
protected DragDropZone(String toolTipText, Image image, Var<?> variable)
{
super("");
this.variable = variable;
-
- if (variable instanceof MutableType) ((MutableType) variable).addTypeChangeListener(this);
-
+
+ if (variable instanceof MutableType)
+ ((MutableType) variable).addTypeChangeListener(this);
+
setToolTipText("<html><h4>" + toolTipText.replace("\n", "<br/>") + "</h4></html>");
setDefaultLinkIcon();
setContentAreaFilled(false);
setFocusable(false);
setBorderPainted(false);
-
+
errorIcon = getLinkIcon(Color.red);
-
+
updateDefaultIcon();
setDefaultLinkIcon();
-
+
setPreferredSize(new Dimension(iconSize, iconSize));
setMinimumSize(getPreferredSize());
}
-
+
private void updateDefaultIcon()
{
- Class<?> dataType = variable.getType();
-
+ Class<?> dataType = null;
+
+ if (variable != null)
+ dataType = variable.getType();
+
if (dataType != null)
{
if (variable instanceof VarGenericArray)
@@ -121,21 +125,21 @@ public abstract class DragDropZone extends JButton implements VarListener<Boolea
dataType = dataType.getComponentType();
}
}
-
+
defaultIcon = getLinkIcon(getColor(dataType));
}
-
+
public Icon getLinkIcon(Color color)
{
Image myImage = new BufferedImage(iconSize, iconSize, BufferedImage.TYPE_INT_ARGB);
Graphics2D g = (Graphics2D) myImage.getGraphics();
g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
-
+
// draw the colored background
g.setColor(color);
g.fillOval(0, 0, iconSize, iconSize);
-
+
// draw the white arrow
g.setColor(Color.white);
Path2D.Float arrow = new Path2D.Float();
@@ -150,62 +154,68 @@ public abstract class DragDropZone extends JButton implements VarListener<Boolea
g.fill(arrow);
return new ImageIcon(myImage);
}
-
+
public void setEmptyIcon()
{
setIcon(emptyIcon);
}
-
+
public void setDefaultLinkIcon()
{
setIcon(defaultIcon);
}
-
+
public void setErrorLinkIcon()
{
setIcon(errorIcon);
}
-
+
public void setIconSize(int size)
{
// this.iconSize = size;
setDefaultLinkIcon();
}
-
+
public void dispose()
{
- if (variable instanceof MutableType) ((MutableType) variable).removeTypeChangeListener(this);
+ if (variable instanceof MutableType)
+ ((MutableType) variable).removeTypeChangeListener(this);
}
-
+
@Override
public void valueChanged(Var<Boolean> source, Boolean oldValue, Boolean newValue)
{
setDefaultLinkIcon();
}
-
+
@Override
- public void referenceChanged(Var<Boolean> source, Var<? extends Boolean> oldReference, Var<? extends Boolean> newReference)
+ public void referenceChanged(Var<Boolean> source, Var<? extends Boolean> oldReference,
+ Var<? extends Boolean> newReference)
{
setDefaultLinkIcon();
}
-
+
@Override
public void typeChanged(Object source, Class<?> oldType, Class<?> newType)
{
updateDefaultIcon();
setDefaultLinkIcon();
}
-
+
public static Color getColor(Class<?> type)
{
- if (type == null) return Color.gray;
-
- if (type == Sequence.class) return Color.blue;
-
- if (type == Boolean.class || type == Boolean.TYPE) return Color.orange.darker().darker();
-
- if (type.isPrimitive() || Number.class.isAssignableFrom(type)) return Color.magenta.darker().darker();
-
+ if (type == null)
+ return Color.gray;
+
+ if (type == Sequence.class)
+ return Color.blue;
+
+ if (type == Boolean.class || type == Boolean.TYPE)
+ return Color.orange.darker().darker();
+
+ if (type.isPrimitive() || Number.class.isAssignableFrom(type))
+ return Color.magenta.darker().darker();
+
return Color.black;
}
}