X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=srcjar%2Ffr%2Forsay%2Flri%2Fvarna%2Fcomponents%2FGradientEditorPanel.java;fp=srcjar%2Ffr%2Forsay%2Flri%2Fvarna%2Fcomponents%2FGradientEditorPanel.java;h=f6d835a8002ea5fac455152dd71ec6a4890349e6;hb=65740880573a48adc758bec3939ece9d9ae104dd;hp=0000000000000000000000000000000000000000;hpb=71aa78b8a7d54e5aeb6b278310dfd735efb77477;p=jalview.git

diff --git a/srcjar/fr/orsay/lri/varna/components/GradientEditorPanel.java b/srcjar/fr/orsay/lri/varna/components/GradientEditorPanel.java
new file mode 100644
index 0000000..f6d835a
--- /dev/null
+++ b/srcjar/fr/orsay/lri/varna/components/GradientEditorPanel.java
@@ -0,0 +1,344 @@
+package fr.orsay.lri.varna.components;
+
+import java.awt.Color;
+import java.awt.Cursor;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+
+import javax.swing.JColorChooser;
+import javax.swing.JPanel;
+
+import fr.orsay.lri.varna.models.rna.ModeleColorMap;
+
+public class GradientEditorPanel extends JPanel implements MouseListener, MouseMotionListener{
+		ModeleColorMap _mcm;
+		
+		public GradientEditorPanel (ModeleColorMap mcm)
+		{ 
+			_mcm = mcm;
+			this.addMouseListener( this);
+			this.addMouseMotionListener(this);
+		}
+		
+		public void setColorMap(ModeleColorMap mcm)
+		{
+			_mcm = mcm;
+			repaint();
+			firePropertyChange("PaletteChanged","a","b");
+		}
+		
+		public ModeleColorMap getColorMap()
+		{
+			return _mcm;
+		}
+
+		private final static int TRIGGERS_SEMI_WIDTH = 2;
+		private final static int PALETTE_HEIGHT = 11;
+		private final static int REMOVE_HEIGHT = 11;
+		private final static int TOLERANCE = 5;
+		private final static int GAP = 4;
+		private final Color EDGES = Color.gray.brighter();
+		private final Color BUTTONS = Color.LIGHT_GRAY.brighter();
+		
+		public int getStartChoose()
+		{
+			return getHeight()-PALETTE_HEIGHT-REMOVE_HEIGHT-GAP-1;
+		}
+		
+		public int getEndChoose()
+		{
+			return getStartChoose()+PALETTE_HEIGHT;
+		}
+		
+		public int getStartRemove()
+		{
+			return getEndChoose()+GAP;
+		}
+
+		public int getEndRemove()
+		{
+			return getStartRemove()+REMOVE_HEIGHT;
+		}
+		
+		private int getStripeHeight()
+		{
+			return getHeight()-PALETTE_HEIGHT-REMOVE_HEIGHT-2*GAP-1;
+		}
+		
+		private Color alterColor(Color c, int inc)
+		{
+			int nr = Math.min(Math.max(c.getRed()+inc, 0),255);
+			int ng = Math.min(Math.max(c.getGreen()+inc, 0),255);
+			int nb = Math.min(Math.max(c.getBlue()+inc, 0),255);
+			return new Color(nr,ng,nb);
+		}
+
+		public void paintComponent(Graphics g)
+		{
+			super.paintComponent(g);
+			Graphics2D g2d = (Graphics2D)  g;
+			g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+					RenderingHints.VALUE_ANTIALIAS_ON);
+			int height = getStripeHeight();
+			double v1 = _mcm.getMinValue();
+			double v2 = _mcm.getMaxValue();
+			for (int i=0;i<=getWidth();i++)
+			{
+				double ratio = (((double)i)/((double)getWidth()));
+				double val = v1+(v2-v1)*ratio;
+				g2d.setColor(_mcm.getColorForValue(val));
+				g2d.drawLine(i, 0, i, height);	
+			}
+			for(int i=0;i<_mcm.getNumColors();i++)
+			{
+				double val = _mcm.getValueAt(i);
+				Color c = _mcm.getColorAt(i);
+				double norm = (val-_mcm.getMinValue())/(_mcm.getMaxValue()-_mcm.getMinValue());
+				int x = (int)(norm*(getWidth()-1));
+				// Target
+				g2d.setColor(c);
+				g2d.fillRect(x-TRIGGERS_SEMI_WIDTH+1, 0, 2*TRIGGERS_SEMI_WIDTH-1, getHeight()-1);					
+				g2d.setColor(EDGES);
+				g2d.drawLine(x-TRIGGERS_SEMI_WIDTH, 0, x-TRIGGERS_SEMI_WIDTH, getHeight());					
+				g2d.drawLine(x+TRIGGERS_SEMI_WIDTH, 0, x+TRIGGERS_SEMI_WIDTH, getHeight());
+				
+				if (i==0)
+				{
+					// Choose Color
+					g2d.setColor(EDGES);
+					g2d.drawRect(x,height+GAP,PALETTE_HEIGHT,2*PALETTE_HEIGHT+GAP);					
+					g2d.setColor(c);
+					g2d.fillRect(x+1,height+GAP+1,PALETTE_HEIGHT-1,2*PALETTE_HEIGHT+GAP-1);
+				}
+				else if (i==_mcm.getNumColors()-1)
+				{
+					// Choose Color
+					g2d.setColor(EDGES);
+					g2d.drawRect(x-PALETTE_HEIGHT,height+GAP,PALETTE_HEIGHT,2*PALETTE_HEIGHT+GAP);					
+					g2d.setColor(c);
+					g2d.fillRect(x-PALETTE_HEIGHT+1,height+GAP+1,PALETTE_HEIGHT-1,2*PALETTE_HEIGHT+GAP-1);					
+				}
+				else
+				{
+				// Choose Color
+				g2d.setColor(EDGES);
+				g2d.drawRect(x-PALETTE_HEIGHT/2,height+GAP,PALETTE_HEIGHT,PALETTE_HEIGHT);					
+				g2d.setColor(alterColor(c,-15));
+				g2d.fillRect(x-PALETTE_HEIGHT/2+1,height+GAP+1,PALETTE_HEIGHT-1,PALETTE_HEIGHT-1);					
+				g2d.setColor(c);
+				g2d.fillOval(x-PALETTE_HEIGHT/2+1,height+GAP+1,PALETTE_HEIGHT-1,PALETTE_HEIGHT-1);
+				g2d.setColor(alterColor(c,10));
+				g2d.fillOval(x-PALETTE_HEIGHT/2+1+2,height+GAP+1+2,PALETTE_HEIGHT-1-4,PALETTE_HEIGHT-1-4);
+
+
+				// Remove Color
+				g2d.setColor(EDGES);
+				g2d.drawRect(x-PALETTE_HEIGHT/2,height+2*GAP+PALETTE_HEIGHT,REMOVE_HEIGHT,REMOVE_HEIGHT);					
+				g2d.setColor(BUTTONS);
+				g2d.fillRect(x-PALETTE_HEIGHT/2+1,height+2*GAP+1+PALETTE_HEIGHT,REMOVE_HEIGHT-1,REMOVE_HEIGHT-1);						
+				int xcross1 = x-PALETTE_HEIGHT/2+2;
+				int ycross1 = height+2*GAP+PALETTE_HEIGHT +2;
+				int xcross2 = xcross1+REMOVE_HEIGHT-4;
+				int ycross2 = ycross1+REMOVE_HEIGHT-4;
+				g2d.setColor(Color.red);
+				g2d.drawLine(xcross1, ycross1, xcross2 , ycross2);				
+				g2d.drawLine(xcross1, ycross2, xcross2 , ycross1);
+				}
+			}
+
+		}
+		
+		private boolean isChooseColor(int x, int y)
+		{
+			if (_selectedIndex != -1)
+			{
+				if ((_selectedIndex ==0)||(_selectedIndex == _mcm.getNumColors()-1))
+					return (y<=getEndRemove() && y>=getStartChoose() && Math.abs(getXPos(_selectedIndex)-x)<=PALETTE_HEIGHT);
+				if (y<=getEndChoose() && y>=getStartChoose())
+				{
+					return Math.abs(getXPos(_selectedIndex)-x)<=PALETTE_HEIGHT/2;
+				}
+			}
+			return false;
+		}
+		
+		private boolean isRemove(int x, int y)
+		{
+			if (_selectedIndex != -1)
+			{
+				if ((_selectedIndex ==0)||(_selectedIndex == _mcm.getNumColors()-1))
+					return false;
+				if (y<=getEndRemove() && y>=getStartRemove())
+				{
+					return Math.abs(getXPos(_selectedIndex)-x)<=PALETTE_HEIGHT/2;
+				}
+			}
+			return false;
+		}
+		
+		private int getXPos(int i)
+		{
+			double val = _mcm.getValueAt(i);
+			double norm = (val-_mcm.getMinValue())/(_mcm.getMaxValue()-_mcm.getMinValue());
+			return (int)(norm*(getWidth()-1));			
+		}
+
+		
+		private int locateSelectedIndex(int x, int y)
+		{
+			double dist = Double.MAX_VALUE;
+			int index = -1;
+			for(int i=0;i<_mcm.getNumColors();i++)
+			{
+				int xp = getXPos(i);
+				double tmpDist = Math.abs(x-xp);
+				if (tmpDist<dist)
+				{
+					index = i;
+					dist = tmpDist; 
+				}
+			}	
+			return index;
+		}
+		
+		private int _selectedIndex = -1;
+		
+		public void mouseClicked(MouseEvent arg0) {
+			_selectedIndex = locateSelectedIndex(arg0.getX(),arg0.getY());
+			if (_selectedIndex!=-1)
+			{
+				if (isRemove(arg0.getX(),arg0.getY()))
+				{
+					removeEntry(_selectedIndex);
+				}
+				else if (Math.abs(getXPos(_selectedIndex)-arg0.getX())>TOLERANCE)
+				{
+					double val = _mcm.getMinValue()+ arg0.getX()*(_mcm.getMaxValue()-_mcm.getMinValue())/(getWidth()-1);
+					Color nc = JColorChooser.showDialog(this, "Choose new color" ,_mcm.getColorAt(_selectedIndex));
+					if (nc != null)
+					{
+						_mcm.addColor(val, nc);
+						repaint();
+						firePropertyChange("PaletteChanged","a","b");
+					}					
+				}
+			}
+		}
+
+		public void mouseEntered(MouseEvent arg0) {
+			// TODO Auto-generated method stub
+			
+		}
+
+		public void mouseExited(MouseEvent arg0) {
+			// TODO Auto-generated method stub
+			
+		}
+
+		public void mousePressed(MouseEvent arg0) {
+			requestFocus();
+			_selectedIndex = locateSelectedIndex(arg0.getX(),arg0.getY());
+			if (_selectedIndex!=-1)
+			{
+				if (isChooseColor(arg0.getX(),arg0.getY()))
+				{
+					Color nc = JColorChooser.showDialog(this, "Choose new color" ,_mcm.getColorAt(_selectedIndex));
+					if (nc != null)
+					{
+						double nv = _mcm.getValueAt(_selectedIndex);
+						replaceEntry(_selectedIndex, nc, nv);
+						_selectedIndex = -1;
+					}
+				}
+			}
+		}
+
+		public void mouseReleased(MouseEvent arg0) {
+			_selectedIndex = -1;
+		}
+
+		private void replaceEntry(int index, Color nc, double nv)
+		{
+			ModeleColorMap cm = new ModeleColorMap();
+			for(int i=0;i<_mcm.getNumColors();i++)
+			{
+				if (i!=index)
+				{
+					double val = _mcm.getValueAt(i);
+					Color c = _mcm.getColorAt(i);
+					cm.addColor(val, c);
+				}
+				else
+				{
+					cm.addColor(nv, nc);
+				}
+			}
+			_mcm = cm;
+			repaint();
+			firePropertyChange("PaletteChanged","a","b");
+		}
+
+		private void removeEntry(int index)
+		{
+			ModeleColorMap cm = new ModeleColorMap();
+			for(int i=0;i<_mcm.getNumColors();i++)
+			{
+				if (i!=index)
+				{
+					double val = _mcm.getValueAt(i);
+					Color c = _mcm.getColorAt(i);
+					cm.addColor(val, c);
+				}
+			}
+			_mcm = cm;
+			repaint();
+			firePropertyChange("PaletteChanged","a","b");
+		}
+		
+		
+		public void mouseDragged(MouseEvent arg0) {
+			if ((_selectedIndex!=-1)&&(_selectedIndex!=0)&&(_selectedIndex!=_mcm.getNumColors()-1))
+			{
+				Color c = _mcm.getColorAt(_selectedIndex);
+				double val = _mcm.getMinValue()+ arg0.getX()*(_mcm.getMaxValue()-_mcm.getMinValue())/(getWidth()-1);
+				replaceEntry(_selectedIndex, c, val);
+			}
+		}
+
+		public void mouseMoved(MouseEvent arg0) {
+			Cursor c = Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);
+			_selectedIndex = locateSelectedIndex(arg0.getX(),arg0.getY());
+			if (_selectedIndex!=-1)
+			{
+				if (isChooseColor(arg0.getX(),arg0.getY()))
+				{
+					c = Cursor.getPredefinedCursor(Cursor.HAND_CURSOR);
+				}
+				else if ((_selectedIndex != 0)&&(_selectedIndex != _mcm.getNumColors()-1))
+				{
+					if (isRemove(arg0.getX(),arg0.getY()))
+					{
+						c = Cursor.getPredefinedCursor(Cursor.HAND_CURSOR);					
+					}
+					else if (Math.abs(getXPos(_selectedIndex)-arg0.getX())<=TOLERANCE)
+					{
+						c = Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR);
+					}
+					else if (arg0.getY()<getHeight()-this.getStripeHeight())
+					{
+						c = Cursor.getPredefinedCursor(Cursor.HAND_CURSOR);										
+					}
+					else
+					{
+						Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);
+					}
+				}
+			}
+			setCursor(c);
+		}
+	}
+