/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2016 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* muCommander is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.ui.dialog.pref.theme;
import com.mucommander.text.Translator;
import com.mucommander.ui.border.MutableLineBorder;
import com.mucommander.ui.chooser.PreviewLabel;
import com.mucommander.ui.icon.CustomFileIconProvider;
import com.mucommander.ui.icon.FileIcons;
import com.mucommander.ui.icon.IconManager;
import com.mucommander.ui.main.table.CellLabel;
import com.mucommander.ui.theme.Theme;
import com.mucommander.ui.theme.ThemeData;
import javax.swing.*;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
import java.awt.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
/**
* @author Nicolas Rinaudo
*/
class FilePreviewPanel extends JScrollPane implements PropertyChangeListener {
// - Row identifiers ------------------------------------------------------------------
// -----------------------------------------------------------------------------------
private static final int FOLDER = 0;
private static final int PLAIN_FILE = 1;
private static final int ARCHIVE = 2;
private static final int HIDDEN_FILE = 3;
private static final int SYMLINK = 4;
private static final int MARKED_FILE = 5;
// - Instance fields -----------------------------------------------------------------
// -----------------------------------------------------------------------------------
private ThemeData data;
private boolean isActive;
private PreviewTable table;
private ImageIcon symlinkIcon;
// - Initialisation ------------------------------------------------------------------
// -----------------------------------------------------------------------------------
/**
* Creates a new preview panel on the specified theme data.
* @param data data to preview.
* @param isActive whether we're previewing the active or inactive state.
*/
public FilePreviewPanel(ThemeData data, boolean isActive) {
super(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
this.data = data;
this.isActive = isActive;
symlinkIcon = IconManager.getCompositeIcon(IconManager.getIcon(IconManager.FILE_ICON_SET, CustomFileIconProvider.FILE_ICON_NAME),
IconManager.getIcon(IconManager.FILE_ICON_SET, CustomFileIconProvider.SYMLINK_ICON_NAME));
initUI();
}
/**
* Initialises the previwer's UI.
*/
private void initUI() {
table = new PreviewTable();
setViewportView(table);
getViewport().setBackground(data.getColor(isActive ? Theme.FILE_TABLE_BACKGROUND_COLOR : Theme.FILE_TABLE_INACTIVE_BACKGROUND_COLOR));
setBorder(new MutableLineBorder(data.getColor(isActive ? Theme.FILE_TABLE_BORDER_COLOR : Theme.FILE_TABLE_INACTIVE_BORDER_COLOR)));
addPropertyChangeListener(this);
}
public void propertyChange(PropertyChangeEvent event) {
if(event.getPropertyName().equals(PreviewLabel.BACKGROUND_COLOR_PROPERTY_NAME))
getViewport().setBackground(data.getColor(isActive ? Theme.FILE_TABLE_BACKGROUND_COLOR : Theme.FILE_TABLE_INACTIVE_BACKGROUND_COLOR));
else if(event.getPropertyName().equals(PreviewLabel.BORDER_COLOR_PROPERTY_NAME)) {
// Some (rather evil) look and feels will change borders outside of muCommander's control,
// this check is necessary to ensure no exception is thrown.
if(getBorder() instanceof MutableLineBorder)
((MutableLineBorder)getBorder()).setLineColor(data.getColor(isActive ? Theme.FILE_TABLE_BORDER_COLOR : Theme.FILE_TABLE_INACTIVE_BORDER_COLOR));
}
else if(!event.getPropertyName().equals(PreviewLabel.FOREGROUND_COLOR_PROPERTY_NAME))
return;
repaint();
}
// - Theme listening -----------------------------------------------------------------
// -----------------------------------------------------------------------------------
/**
* Resets the table's row height with the new font.
*/
@Override
public void setFont(Font font) {
if(table != null)
table.setRowHeight(font);
}
// - Preview table -------------------------------------------------------------------
// -----------------------------------------------------------------------------------
/**
* Used to preview the current table theme.
* @author Nicolas Rinaudo
*/
private class PreviewTable extends JTable {
private PreviewCellRenderer cellRenderer;
private Dimension preferredSize;
/**
* Creates a new preview table.
*/
public PreviewTable() {
super(new String[][] {{"", Translator.get("theme_editor.folder")},
{"", Translator.get("theme_editor.plain_file")},
{"", Translator.get("theme_editor.archive_file")},
{"", Translator.get("theme_editor.hidden_file")},
{"", Translator.get("theme_editor.symbolic_link")},
{"", Translator.get("theme_editor.marked_file")}},
new String[] {"", Translator.get("preview")});
// Initialises table painting.
cellRenderer = new PreviewCellRenderer();
setShowGrid(false);
// Initialises the table selection.
getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
changeSelection(0, 0, false, false);
// Initialises row dimensions.
setRowHeight(data.getFont(ThemeData.FILE_TABLE_FONT));
setIntercellSpacing(new Dimension(0,0));
// Initialises the table header.
getTableHeader().setResizingAllowed(false);
getTableHeader().setReorderingAllowed(false);
((DefaultTableCellRenderer)getTableHeader().getDefaultRenderer()).setHorizontalAlignment(SwingConstants.LEFT);
}
/**
* Resets column widths.
*/
@Override
public void doLayout() {
int width;
getColumnModel().getColumn(0).setWidth(width = getIconWidth());
getColumnModel().getColumn(1).setWidth(Math.max(getWidth() - width, getLabelWidth()));
}
/**
* Returns the width of the icon label.
*/
private int getIconWidth() {return (int)FileIcons.getIconDimension().getWidth() + 2 * CellLabel.CELL_BORDER_WIDTH;}
/**
* Returns the width of the text label.
*/
private int getLabelWidth() {
FontMetrics fm;
int rowCount;
int width;
fm = getFontMetrics(data.getFont(ThemeData.FILE_TABLE_FONT));
rowCount = getModel().getRowCount();
width = 0;
for(int i = 0; i < rowCount; i++)
width = Math.max(width, fm.stringWidth(((String)(getModel().getValueAt(i, 1)))) + 2 * CellLabel.CELL_BORDER_WIDTH);
return width;
}
/**
* Returns the table's preferred size.
*/
@Override
public Dimension getPreferredSize() {return new Dimension(getIconWidth() + 2 * getLabelWidth(), getModel().getRowCount()*getRowHeight());}
/**
* Returns the table's preferred size.
*/
@Override
public Dimension getPreferredScrollableViewportSize() {
if(preferredSize == null)
preferredSize = getPreferredSize();
return preferredSize;
}
/**
* Initialises the row height depending on the font.
*/
private void setRowHeight(Font font) {
setRowHeight(2 * CellLabel.CELL_BORDER_HEIGHT + Math.max(getFontMetrics(font).getHeight(),
(int)FileIcons.getIconDimension().getHeight()));
}
/**
* Uses our preview cell renderer rather than the default one.
*/
@Override
public TableCellRenderer getCellRenderer(int row, int column) {return cellRenderer;}
/**
* Cell are not editable.
*/
@Override
public boolean isCellEditable(int row, int column) {return false;}
}
// - Preview renderer ----------------------------------------------------------------
// -----------------------------------------------------------------------------------
/**
* Used to render preview cells.
* @author Nicolas Rinaudo
*/
private class PreviewCellRenderer implements TableCellRenderer {
private CellLabel label;
private CellLabel icon;
/**
* Creates a new preview cell renderer.
*/
public PreviewCellRenderer() {
label = new CellLabel();
icon = new CellLabel();
}
/**
* Returns the foregorund color of the specified cell.
*/
private Color getForegroundColor(int row, boolean isSelected) {
switch(row) {
// Folders.
case FOLDER:
if(FilePreviewPanel.this.isActive)
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.FOLDER_SELECTED_FOREGROUND_COLOR :
ThemeData.FOLDER_FOREGROUND_COLOR);
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.FOLDER_INACTIVE_SELECTED_FOREGROUND_COLOR :
ThemeData.FOLDER_INACTIVE_FOREGROUND_COLOR);
// Plain files.
case PLAIN_FILE:
if(FilePreviewPanel.this.isActive)
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.FILE_SELECTED_FOREGROUND_COLOR :
ThemeData.FILE_FOREGROUND_COLOR);
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.FILE_INACTIVE_SELECTED_FOREGROUND_COLOR :
ThemeData.FILE_INACTIVE_FOREGROUND_COLOR);
// Archives.
case ARCHIVE:
if(FilePreviewPanel.this.isActive)
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.ARCHIVE_SELECTED_FOREGROUND_COLOR :
ThemeData.ARCHIVE_FOREGROUND_COLOR);
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.ARCHIVE_INACTIVE_SELECTED_FOREGROUND_COLOR :
ThemeData.ARCHIVE_INACTIVE_FOREGROUND_COLOR);
// Hidden files.
case HIDDEN_FILE:
if(FilePreviewPanel.this.isActive)
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.HIDDEN_FILE_SELECTED_FOREGROUND_COLOR :
ThemeData.HIDDEN_FILE_FOREGROUND_COLOR);
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.HIDDEN_FILE_INACTIVE_SELECTED_FOREGROUND_COLOR :
ThemeData.HIDDEN_FILE_INACTIVE_FOREGROUND_COLOR);
// Symlinks.
case SYMLINK:
if(FilePreviewPanel.this.isActive)
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.SYMLINK_SELECTED_FOREGROUND_COLOR :
ThemeData.SYMLINK_FOREGROUND_COLOR);
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.SYMLINK_INACTIVE_SELECTED_FOREGROUND_COLOR :
ThemeData.SYMLINK_INACTIVE_FOREGROUND_COLOR);
// Marked files.
case MARKED_FILE:
if(FilePreviewPanel.this.isActive)
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.MARKED_SELECTED_FOREGROUND_COLOR :
ThemeData.MARKED_FOREGROUND_COLOR);
return FilePreviewPanel.this.data.getColor(isSelected ? ThemeData.MARKED_INACTIVE_SELECTED_FOREGROUND_COLOR :
ThemeData.MARKED_INACTIVE_FOREGROUND_COLOR);
}
// Impossible.
return null;
}
/**
* Returns the object used to render the specified cell.
*/
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
CellLabel currentLabel;
// Icon label foreground.
if(column == 0) {
currentLabel = icon;
if(row == FOLDER)
currentLabel.setIcon(IconManager.getIcon(IconManager.FILE_ICON_SET, CustomFileIconProvider.FOLDER_ICON_NAME));
else if(row == ARCHIVE)
currentLabel.setIcon(IconManager.getIcon(IconManager.FILE_ICON_SET, CustomFileIconProvider.ARCHIVE_ICON_NAME));
else if(row == SYMLINK)
currentLabel.setIcon(symlinkIcon);
else
currentLabel.setIcon(IconManager.getIcon(IconManager.FILE_ICON_SET, CustomFileIconProvider.FILE_ICON_NAME));
}
// Text label foreground.
else {
currentLabel = label;
currentLabel.setFont(data.getFont(ThemeData.FILE_TABLE_FONT));
currentLabel.setText((String)value);
currentLabel.setForeground(getForegroundColor(row, isSelected));
}
// Foreground.
if(isSelected)
currentLabel.setOutline(isActive ? data.getColor(ThemeData.FILE_TABLE_SELECTED_OUTLINE_COLOR) :
data.getColor(ThemeData.FILE_TABLE_INACTIVE_SELECTED_OUTLINE_COLOR));
else
currentLabel.setOutline(null);
// Background.
if(FilePreviewPanel.this.isActive) {
if(isSelected)
currentLabel.setBackground(FilePreviewPanel.this.data.getColor(ThemeData.FILE_TABLE_SELECTED_BACKGROUND_COLOR));
else
currentLabel.setBackground(FilePreviewPanel.this.data.getColor((row % 2 == 0) ? ThemeData.FILE_TABLE_BACKGROUND_COLOR :
ThemeData.FILE_TABLE_ALTERNATE_BACKGROUND_COLOR));
}
else {
if(isSelected)
currentLabel.setBackground(FilePreviewPanel.this.data.getColor(ThemeData.FILE_TABLE_INACTIVE_SELECTED_BACKGROUND_COLOR));
else
currentLabel.setBackground(FilePreviewPanel.this.data.getColor((row % 2 == 0) ? ThemeData.FILE_TABLE_INACTIVE_BACKGROUND_COLOR :
ThemeData.FILE_TABLE_INACTIVE_ALTERNATE_BACKGROUND_COLOR));
}
return currentLabel;
}
}
}