package fr.itris.glips.svgeditor.menutool;import javax.swing.*;import fr.itris.glips.svgeditor.*;import javax.swing.border.*;import java.awt.*;import java.awt.dnd.*;import java.awt.event.*;import java.io.*;import java.util.*;import java.awt.datatransfer.*;/** * @author Jordi SUC * * the class creating and managing the color toolbar */public class ColorToolBar extends JToolBar{		/**	 * the editor	 */	private SVGEditor editor;		/**	 * the constructor of the class	 * @param editor the editor	 */	public ColorToolBar(SVGEditor editor){				super(SwingConstants.HORIZONTAL);				this.editor=editor;		setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));		//setting the properties of the tool bar		setRollover(true);		setFloatable(true);		setBorderPainted(false);		setMargin(new Insets(0, 0, 0, 0));	}		/**	 * @return editor the editor	 */	public SVGEditor getSVGEditor(){		return editor;	}		/**	 * layout elements in the tool bar	 */	public void layoutElements(){		//getting the color button		 JButton currentColorButton=getColorButton();		 add(currentColorButton);		 addSeparator();	}	/**	 * creating and returning the color button	 * @return the color button	 */	protected JButton getColorButton(){				//getting the label		String labelcolortooltip="";		ResourceBundle bundle=SVGEditor.getBundle();				if(bundle!=null){						try{				labelcolortooltip=bundle.getString("labelcolortooltip");			}catch(Exception ex){}		}				//the button displaying the current color		final JButton colorButton=new JButton();		Insets buttonInsets=new Insets(1, 1, 1, 1);		colorButton.setMargin(buttonInsets);		colorButton.setToolTipText(labelcolortooltip);				final JPanel colorPanel=new JPanel();		colorPanel.setPreferredSize(new Dimension(20, 15));		colorPanel.setBackground(getSVGEditor().getSVGColorManager().getCurrentColor());		colorPanel.setBorder(new LineBorder(Color.white));		colorButton.add(colorPanel);				//the listener to the color button actions		final ActionListener buttonListener=new ActionListener(){						public void actionPerformed(ActionEvent evt) {				            	Color color=SVGEditor.getColorChooser().showColorChooserDialog(SVGEditor.getColorChooser().getColor());                				if(color!=null){										SVGEditor.getSVGColorManager().setCurrentColor(color);				}                				colorButton.setSelected(false);			}		};				colorButton.addActionListener(buttonListener);				//adding the listener to the changes of the current color		getSVGEditor().getSVGColorManager().addColorListener(new SVGColorManager.ColorListener(){						public void colorChanged(Color color) {								colorPanel.setBackground(color);			} 		});				/**************drag and drop support************************/				//the transferable		final Transferable transferable=new Transferable(){						/**			 * @see java.awt.datatransfer.Transferable#getTransferData(java.awt.datatransfer.DataFlavor)			 */			public Object getTransferData(DataFlavor df) throws UnsupportedFlavorException, IOException {								if(df!=null && getSVGEditor().getColorChooser().isColorDataFlavor(df)){										return colorPanel.getBackground();				}								return null;			}						/**			 * @see java.awt.datatransfer.Transferable#getTransferDataFlavors()			 */			public DataFlavor[] getTransferDataFlavors(){								Collection dataFlavors=getSVGEditor().getColorChooser().getColorDataFlavors();				DataFlavor df=null;								//the array that will be returned				DataFlavor[] dfArray=new DataFlavor[dataFlavors.size()];				int i=0;								for(Iterator it=dataFlavors.iterator(); it.hasNext();){										df=(DataFlavor)it.next();										if(df!=null){												dfArray[i]=df;						i++;					}				}								return dfArray;			}						/**			 * @see java.awt.datatransfer.Transferable#isDataFlavorSupported(java.awt.datatransfer.DataFlavor)			 */			public boolean isDataFlavorSupported(DataFlavor df) {								if(df!=null && getSVGEditor().getColorChooser().isColorDataFlavor(df)){										return true;				}								return false;			}		};				//adding a drag gesture listener to the color panel		DragGestureListener dragGestureListener=new DragGestureListener(){						public void dragGestureRecognized(DragGestureEvent evt) {								getSVGEditor().getDragSource().startDrag(						evt,						getSVGEditor().getSVGToolkit().createCursorImageFromColor(colorPanel.getBackground()), 						null, 						new Point(5, 5), 						transferable, 						new DragSourceAdapter(){});								colorButton.removeActionListener(buttonListener);				colorButton.doClick();				colorButton.setSelected(false);				colorButton.addActionListener(buttonListener);			}		};				//adding a drag gesture tokenizer to this component		getSVGEditor().getDragSource().createDefaultDragGestureRecognizer(				colorButton, DnDConstants.ACTION_COPY, dragGestureListener);				return colorButton;	}}