svn-gvsig-desktop / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / gui / styling / JComboBoxColorScheme.java @ 33213
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package com.iver.cit.gvsig.gui.styling; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.Dimension; |
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import java.awt.GradientPaint; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.Rectangle; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.util.ArrayList; |
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import javax.swing.JComboBox; |
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import javax.swing.JComponent; |
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import javax.swing.JList; |
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import javax.swing.ListCellRenderer; |
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import org.gvsig.raster.datastruct.ColorItem; |
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import org.gvsig.raster.datastruct.ColorTable; |
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import org.gvsig.raster.datastruct.persistence.ColorTableLibraryPersistence; |
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import com.iver.andami.PluginServices; |
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/**
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* Creates a JComboBox where the user has the option to select different
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* colors.
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*
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* @autor jaume dominguez faus - jaume.dominguez@iver.es
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*/
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public class JComboBoxColorScheme extends JComboBox { |
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private String palettesPath = com.iver.andami.Launcher.getAppHomeDir() + "ColorSchemes"; |
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private boolean interpolated = false; |
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private ArrayList fileList = new ArrayList(); |
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private ActionListener innerActionUpdateTooltip = new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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Object o = getSelectedItem();
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if (o != null) { |
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ArrayList aux = (ArrayList) o; |
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setToolTipText((String) aux.get(0)); |
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} else {
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setToolTipText(PluginServices.getText(this, "select_a_color_scheme")); |
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} |
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} |
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}; |
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/**
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* Constructor method
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*
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* @param interpolateValues
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*/
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public JComboBoxColorScheme(boolean interpolateValues) { |
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super();
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interpolated = interpolateValues; |
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setPreferredSize(new Dimension(150, 20)); |
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ArrayList fileList = ColorTableLibraryPersistence.getPaletteFileList(palettesPath);
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for (int i = 0; i < fileList.size(); i++) { |
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ArrayList paletteItems = new ArrayList(); |
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String paletteName = ColorTableLibraryPersistence.loadPalette(
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palettesPath, |
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(String) fileList.get(i),
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paletteItems); |
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if (paletteItems.size() <= 0) |
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continue;
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ColorTable colorTable = new ColorTable();
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colorTable.setName(paletteName); |
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colorTable.createPaletteFromColorItems(paletteItems, true);
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colorTable.setInterpolated(interpolateValues); |
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ArrayList array = new ArrayList(); |
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array.add(paletteName); |
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array.add(new ColorTablePaint(colorTable));
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addItem(array); |
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} |
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addActionListener(innerActionUpdateTooltip); |
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setRenderer(new ListCellRenderer() { |
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public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { |
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ArrayList array = (ArrayList) value; |
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ColorSchemeItemPainter paintItem = new ColorSchemeItemPainter((String) array.get(0), (ColorTablePaint) array.get(1), isSelected); |
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paintItem.setPreferredSize(getPreferredSize()); |
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return (Component) paintItem; |
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} |
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}); |
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} |
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/**
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* Returns an array composed with the selected colors
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* @return
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*/
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public ColorItem[] getSelectedColors() { |
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Object o = getSelectedItem();
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if (o == null) return null; |
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ColorTable ct = ((ColorTablePaint) ((ArrayList) o).get(1)).colorTable; |
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return (ColorItem[]) ct.getColorItems().toArray(new ColorItem[0]) ; |
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} |
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public void setSelectedColors(ColorItem[] colors) { |
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fileList.clear(); |
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if (colors == null) { |
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setSelectedIndex(0);
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return;
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} |
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else {
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for (int i = 0; i < getItemCount(); i++) { |
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fileList.add(getItemAt(i)); |
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} |
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for (int i = 0; i < fileList.size(); i++) { |
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Object o = fileList.get(i);
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ColorTable ct = ((ColorTablePaint) ((ArrayList) o).get(1)).colorTable; |
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ColorItem[] myColors = (ColorItem[]) ct.getColorItems().toArray(new ColorItem[0]) ; |
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boolean isEqual = true; |
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if(myColors.length == colors.length) {
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for (int j = 0; isEqual && j < myColors.length; j++) { |
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Color c1 = myColors[j].getColor();
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Color c2 = colors[j].getColor();
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isEqual = c1.getRGB() == c2.getRGB() && c1.getAlpha() == c2.getAlpha(); |
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} |
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if(isEqual) {
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setSelectedIndex(i); |
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repaint(); |
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return;
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} |
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} |
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} |
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if(getItemCount()> 0) |
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setSelectedItem(0);
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} |
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} |
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/**
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*
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* Class to paint a color palette in a box. It can be indicated if the palette
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* is selected and if it is painted with interpolations
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*
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* @version 30/07/2007
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* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
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*/
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private class ColorTablePaint { |
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private ColorTable colorTable;
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/**
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* Build a ColorTablePaint with a color table (parameter or the method)
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*
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* @param colorTable
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*/
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public ColorTablePaint(ColorTable colorTable) {
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this.colorTable = colorTable;
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} |
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/**
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* Defines if the values are interpolated between them or not.
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*
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* @param value
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*/
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public void setInterpolated(boolean value) { |
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colorTable.setInterpolated(value); |
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} |
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/**
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* Obtains the color array of the color palette
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*
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* @return
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*/
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public ArrayList getColorItems() { |
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return colorTable.getColorItems();
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} |
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/**
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* Obtains the ColorTable
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* @return
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*/
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public ColorTable getColorTable() {
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return colorTable;
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} |
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/**
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* Specifies the colors of the color table, defining it the values are
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* interpolated and if the palette will be compressed or not.
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*
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* @param value
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* @param interpolated
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* @param compress
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*/
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public void setColorItems(ArrayList value, boolean interpolated, boolean compress) { |
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colorTable.createPaletteFromColorItems(value, compress); |
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setInterpolated(interpolated); |
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} |
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/**
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* Method to paint the color table
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*
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* @param g
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* @param isSelected
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*/
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public void paint(Graphics2D g, boolean isSelected, Rectangle bounds) { |
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Rectangle area = bounds;
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area.y=0;
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area.x=0;
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int x1 = area.x;
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int x2 = area.x + area.width - 1; |
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if (colorTable.getColorItems().size()>=1) { |
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double min = ((ColorItem) colorTable.getColorItems().get(0)).getValue(); |
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double max = ((ColorItem) colorTable.getColorItems().get(colorTable.getColorItems().size()-1)).getValue(); |
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for (int i = area.x; i < (area.x + area.width); i++) { |
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double pos = min + (((max - min) * (i - area.x)) / (area.width - 2)); |
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byte[] col3 = colorTable.getRGBAByBand(pos); |
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g.setColor(new Color(col3[0] & 0xff, col3[1] & 0xff, col3[2] & 0xff)); |
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g.drawLine(i, area.y, i, area.y + area.height); |
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} |
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} else {
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g.setColor(new Color(224, 224, 224)); |
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g.fillRect(x1, area.y, x2 - x1, area.height - 1);
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} |
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if (isSelected)
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g.setColor(Color.black);
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else
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g.setColor(new Color(96, 96, 96)); |
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g.drawRect(x1, area.y, x2 - x1, area.height - 1);
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} |
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} |
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private class ColorSchemeItemPainter extends JComponent { |
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private static final long serialVersionUID = -6448740563809113949L; |
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private boolean isSelected = false; |
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private ColorTablePaint colorTablePaint = null; |
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/**
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* Constructor method
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*
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* @param name
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* @param colorTablePaint
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* @param isSelected
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*/
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public ColorSchemeItemPainter(String name, ColorTablePaint colorTablePaint, boolean isSelected) { |
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super();
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this.colorTablePaint = colorTablePaint;
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this.isSelected = isSelected;
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setToolTipText(name); |
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} |
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public void paintComponent(Graphics g) { |
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Graphics2D g2 = (Graphics2D) g; |
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if (isSelected) {
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Color color1 = new Color(89, 153, 229); |
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Color color2 = new Color(31, 92, 207); |
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g2.setPaint(new GradientPaint(0, 1, color1, 0, getHeight() - 1, color2, false)); |
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g2.fillRect(0, 1, getWidth(), getHeight() - 1); |
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g2.setColor(new Color(61, 123, 218)); |
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g2.drawLine(0, 0, getWidth(), 0); |
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g2.setColor(Color.white);
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} else {
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g2.setColor(Color.white);
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g2.fillRect(0, 0, getWidth(), getHeight()); |
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g2.setColor(Color.black);
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} |
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colorTablePaint.paint((Graphics2D) g2, isSelected, getBounds());
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} |
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} |
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} |