/*
* Created on 12 May 2007
* Created by Allan Crooks
* Copyright (C) 2007 Aelitis, All Rights Reserved.
*
* This program 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 2
* of the License, or (at your option) any later version.
* This program 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*/
package org.gudy.azureus2.ui.swt.minibar;
import java.util.Iterator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.events.MouseMoveListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Monitor;
import org.eclipse.swt.widgets.ProgressBar;
import org.eclipse.swt.widgets.Shell;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.util.AERunnable;
import org.gudy.azureus2.core3.util.Constants;
import org.gudy.azureus2.core3.util.DisplayFormatters;
import org.gudy.azureus2.ui.common.util.MenuItemManager;
import org.gudy.azureus2.ui.swt.ImageRepository;
import org.gudy.azureus2.ui.swt.MenuBuildUtils;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
/**
* @author Allan Crooks
*
*/
public abstract class MiniBar implements MenuBuildUtils.MenuBuilder {
//
// These are components which are related to the bar itself.
//
protected Label lDrag;
protected MiniBar stucked;
protected Monitor[] screens;
protected int xPressed, yPressed;
protected boolean moving;
protected int hSize;
protected Shell splash;
protected MiniBarManager manager;
private Font bold_font = null;
//
// These are components used during the construction of the bar.
//
private boolean constructing = false;
private boolean constructed = false;
private Menu menu;
private MouseMoveListener mMoveListener;
private MouseListener mListener;
private int xSize;
private boolean separateDataProt;
protected MiniBar(MiniBarManager manager) {
this.manager = manager;
setPrebuildValues();
this.separateDataProt = DisplayFormatters.isDataProtSeparate();
}
private void setPrebuildValues() {
this.constructing = false;
this.constructed = false;
this.xSize = 0;
this.hSize = -1;
}
//
// These methods provide a construction API for subclasses.
//
private void assertConstructing() {
if (!this.constructing)
throw new RuntimeException("not constructing!");
}
private Font createBoldFont(Font original) {
FontData[] font_data = original.getFontData();
for (int i=0; i<font_data.length; i++) {
font_data[i].setStyle(font_data[i].getStyle() | SWT.BOLD);
}
return new Font(original.getDevice(), font_data);
}
protected final void createGap(int width) {
// We create a label just so we can attach the menu to it.
assertConstructing();
Label result = new Label(splash, SWT.NONE);
result.setBackground(Colors.blues[Colors.BLUES_LIGHTEST]);
result.setForeground(Colors.blues[Colors.BLUES_DARKEST]);
result.setText("");
result.addMouseListener(this.mListener);
result.addMouseMoveListener(this.mMoveListener);
result.setLocation(this.xSize, 0);
result.setSize(width, hSize);
result.setMenu(this.menu);
this.xSize += width;
}
protected final void createFixedTextLabel(String msg_key, boolean add_colon, boolean bold) {
assertConstructing();
Label result = new Label(splash, SWT.NONE);
result.setBackground(Colors.blues[Colors.BLUES_LIGHTEST]);
result.setForeground(Colors.blues[Colors.BLUES_DARKEST]);
result.setText(MessageText.getString(msg_key) + ((add_colon) ? ":" : ""));
if (bold) {
if (this.bold_font == null) {
this.bold_font = createBoldFont(result.getFont());
}
result.setFont(this.bold_font);
}
result.addMouseListener(this.mListener);
result.addMouseMoveListener(this.mMoveListener);
result.pack();
result.setLocation(this.xSize, 0);
result.setMenu(this.menu);
if (this.hSize == -1) {
int hSizeText = result.getSize().y;
int hSizeImage = this.lDrag.getSize().y;
this.hSize = hSizeText > hSizeImage ? hSizeText : hSizeImage;
}
this.xSize += result.getSize().x + 3;
}
protected final Label createDataLabel(int width, boolean centered) {
assertConstructing();
Label result = new Label(splash, (centered ? SWT.CENTER : SWT.NULL));
result.setBackground(Colors.blues[Colors.BLUES_LIGHTEST]);
result.setText("");
result.addMouseListener(this.mListener);
result.addMouseMoveListener(this.mMoveListener);
if (this.hSize == -1) {
throw new RuntimeException("must add fixed text label first!");
}
result.setSize(width, hSize);
result.setLocation(this.xSize, 0);
result.setMenu(this.menu);
this.xSize += width + 3;
return result;
}
protected final Label createDataLabel(int width) {
return createDataLabel(width, false);
}
protected final Label createSpeedLabel() {
return createDataLabel(separateDataProt ? 110 : 65, separateDataProt);
}
protected void updateSpeedLabel(Label label, long data_rate, long protocol_rate) {
if (separateDataProt) {
label.setText(DisplayFormatters.formatDataProtByteCountToKiBEtcPerSec(data_rate, protocol_rate));
}
else {
label.setText(DisplayFormatters.formatByteCountToKiBEtcPerSec(data_rate));
}
}
protected final ProgressBar createProgressBar(int min, int max, int width, final ProgressBarText pbt) {
final ProgressBar result = new ProgressBar(splash, SWT.SMOOTH);
result.setBackground(Colors.blues[Colors.BLUES_LIGHTEST]);
result.setForeground(Colors.blues[Colors.BLUES_MIDLIGHT]);
result.setMinimum(min);
result.setMaximum(max);
result.addMouseListener(this.mListener);
result.addMouseMoveListener(this.mMoveListener);
if (this.hSize == -1) {
throw new RuntimeException("must add fixed text label first!");
}
result.setSize(width, hSize);
result.setLocation(this.xSize, 0);
result.setMenu(this.menu);
this.xSize += width + 3;
// Add a listener to display text on the progress bar.
if (pbt != null) {
result.addListener(SWT.Paint, new Listener() {
public void handleEvent(Event event) {
Color old = event.gc.getForeground();
event.gc.setForeground(Colors.black);
int char_width = event.gc.getFontMetrics().getAverageCharWidth();
String pb_text = pbt.convert(result.getSelection());
event.gc.drawText(pb_text, (result.getSize().x - pb_text.length() * char_width )/2, -1, true);
event.gc.setForeground(old);
}
});
}
return result;
}
protected final ProgressBar createPercentProgressBar(int width) {
return createProgressBar(0, 1000, width, new ProgressBarText() {
public String convert(int value) {
return DisplayFormatters.formatPercentFromThousands(value);
}
});
}
protected static interface ProgressBarText {
public String convert(int value);
}
//
// These methods define the main MiniBar behaviour.
//
public final void construct(Shell main) {
if (this.constructed) {
throw new RuntimeException("already constructed!");
}
this.constructing = true;
this.stucked = null;
this.splash = org.gudy.azureus2.ui.swt.components.shell.ShellFactory
.createShell(SWT.ON_TOP);
manager.register(this);
main.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent event) {
close();
}
});
screens = main.getDisplay().getMonitors();
build();
}
private void build() {
lDrag = new Label(splash, SWT.NULL);
if(!Constants.isOSX) {
lDrag.setImage(ImageRepository.getImage("dragger"));
}
lDrag.pack();
this.xSize = lDrag.getSize().x + 3;
lDrag.setLocation(0, 0);
this.mListener = new MouseAdapter() {
public void mouseDown(MouseEvent e) {
xPressed = e.x;
yPressed = e.y;
moving = true;
//System.out.println("Position : " + xPressed + " , " + yPressed);
}
public void mouseUp(MouseEvent e) {
moving = false;
}
};
this.mMoveListener = new MouseMoveListener() {
public void mouseMove(MouseEvent e) {
if (moving) {
int dX = xPressed - e.x;
int dY = yPressed - e.y;
//System.out.println("dX,dY : " + dX + " , " + dY);
Point currentLoc = splash.getLocation();
currentLoc.x -= dX;
currentLoc.y -= dY;
setSnapLocation(currentLoc);
//System.out.println("Position : " + xPressed + " , " + yPressed);
}
}
};
splash.setBackground(Colors.blues[Colors.BLUES_LIGHTEST]);
splash.setForeground(Colors.blues[Colors.BLUES_DARKEST]);
splash.addMouseListener(mListener);
splash.addMouseMoveListener(mMoveListener);
lDrag.addMouseListener(mListener);
lDrag.addMouseMoveListener(mMoveListener);
this.menu = new Menu(splash, SWT.POP_UP);
MenuBuildUtils.addMaintenanceListenerForMenu(menu, this);
this.beginConstruction();
splash.addListener(SWT.Deiconify, new Listener() {
public void handleEvent(Event e) {
splash.setVisible(true);
splash.setActive();
}
});
splash.setSize(xSize + 3, hSize + 2);
// Tidy up construction variables.
this.mListener = null;
this.mMoveListener = null;
this.menu = null;
// Avoid doing a refresh on construction.
this.refresh();
this.constructing = false;
this.constructed = true;
// Allow subclasses to determine the initial position of the splash object.
Point point = this.getInitialLocation();
if (point != null) {splash.setLocation(point);}
splash.setVisible(true);
}
public void buildMenu(Menu menu) {
org.gudy.azureus2.plugins.ui.menus.MenuItem[] menu_items;
Object plugin_context_obj = this.getPluginMenuContextObject();
Object[] plugin_context_obj_arg = null;
if (plugin_context_obj != null) {
plugin_context_obj_arg = new Object[]{plugin_context_obj};
}
String[] plugin_menu_ids = this.getPluginMenuIdentifiers(plugin_context_obj);
if (plugin_menu_ids != null) {
menu_items = MenuItemManager.getInstance().getAllAsArray(plugin_menu_ids);
if (menu_items.length > 0) {
MenuBuildUtils.addPluginMenuItems(splash, menu_items, menu, true, true,
// This will retrieve the plugin download object for associated menus.
new MenuBuildUtils.MenuItemPluginMenuControllerImpl(plugin_context_obj_arg)
);
new MenuItem(menu, SWT.SEPARATOR);
}
}
MenuItem itemClose = new MenuItem(menu,SWT.NULL);
itemClose.setText(MessageText.getString("wizard.close"));
itemClose.addListener(SWT.Selection,new Listener() {
public void handleEvent(Event e) {
close();
}
});
}
protected final void setSnapLocation(Point currentLoc) {
Rectangle dim = new Rectangle(currentLoc.x,currentLoc.y,splash.getBounds().width,splash.getBounds().height);
// find the screen we mostly reside in
int topIntersectArea = 0;
int bestScreen = 0;
for(int i=0;i<screens.length;i++)
{
Rectangle curScreen = screens[i].getClientArea();
curScreen.intersect(dim);
int area = curScreen.width*curScreen.height;
if(area > topIntersectArea)
{
bestScreen = i;
topIntersectArea = area;
}
}
Rectangle screen = screens[bestScreen].getClientArea();
if (currentLoc.x-screen.x < 10)
currentLoc.x = screen.x;
else if (currentLoc.x-screen.x > screen.width - dim.width - 10)
currentLoc.x = screen.x + screen.width - dim.width;
if (currentLoc.y-screen.y < 10)
currentLoc.y = screen.y;
MiniBar mw = this;
int height = 0;
while (mw != null) {
Shell s = mw.getShell();
if (s.isDisposed())
mw = null;
else {
height += s.getBounds().height - 1;
mw = mw.getStucked();
if (mw == this)
mw = null;
}
}
if (currentLoc.y-screen.y > screen.height - height - 10)
currentLoc.y = screen.y + screen.height - height;
MiniBarManager g_manager = MiniBarManager.getManager();
try {
g_manager.getMiniBarMonitor().enter();
if (g_manager.countMiniBars() > 1) {
Iterator itr = g_manager.getMiniBarIterator();
while (itr.hasNext()) {
MiniBar downloadBar = (MiniBar) itr.next();
Point location = downloadBar.getShell().getLocation();
// isn't the height always 10?
// Gudy : No it depends on your system font.
location.y += downloadBar.getShell().getBounds().height;
//Stucking to someone else
if (downloadBar != this && downloadBar.getStucked() == null
|| downloadBar.getStucked() == this) {
if (Math.abs(location.x - currentLoc.x) < 10
&& location.y - currentLoc.y < 10
&& location.y - currentLoc.y > 0) {
downloadBar.setStucked(this);
currentLoc.x = location.x;
currentLoc.y = location.y - 1;
}
}
//Un-stucking from someone
if (downloadBar != this && downloadBar.getStucked() == this) {
if (Math.abs(location.x - currentLoc.x) > 10
|| Math.abs(location.y - currentLoc.y) > 10)
downloadBar.setStucked(null);
}
}
}
}
finally {
g_manager.getMiniBarMonitor().exit();
}
splash.setLocation(currentLoc);
MiniBar mwCurrent = this;
while (mwCurrent != null) {
currentLoc.y += mwCurrent.getShell().getBounds().height - 1;
MiniBar mwChild = mwCurrent.getStucked();
if (mwChild != null && mwChild != this) {
Shell s = mwChild.getShell();
if (s.isDisposed()) {
mwCurrent.setStucked(null);
mwCurrent = null;
}
else {
mwCurrent = mwChild;
mwCurrent.getShell().setLocation(currentLoc);
}
}
else
mwCurrent = null;
}
}
//
// These methods define the management of MiniBars.
//
public Shell getShell() {
return this.splash;
}
public void setVisible(boolean visible) {
splash.setVisible(visible);
}
public final boolean hasSameContext(MiniBar m) {
return this.hasContext(m.getContextObject());
}
public final boolean hasContext(Object context) {
Object my_context = this.getContextObject();
if (my_context == null) {
return context == null;
}
else {
return my_context.equals(context);
}
}
public MiniBar getStucked() {
return this.stucked;
}
public void setStucked(MiniBar mw) {
this.stucked = mw;
}
// Have to be in the SWT thread to do this.
public final void forceSaveLocation() {
if (!splash.isDisposed()) {
this.storeLastLocation(splash.getLocation());
}
}
public final void close() {
if (!splash.isDisposed()) {
Display display = splash.getDisplay();
if (display != null && !display.isDisposed()) {
display.asyncExec(new AERunnable() {
public void runSupport() {dispose();}
});
}
}
manager.unregister(this);
}
public void dispose() {
if (!splash.isDisposed()) {
this.forceSaveLocation();
splash.dispose();
}
if (bold_font != null && !bold_font.isDisposed()) {bold_font.dispose();}
}
public final void refresh() {
if (splash.isDisposed()) {return;}
refresh0();
}
//
// Subclass methods.
//
protected abstract void refresh0();
protected abstract void beginConstruction();
protected abstract Object getContextObject();
public String[] getPluginMenuIdentifiers(Object context) {
return null;
}
public Object getPluginMenuContextObject() {
return null;
}
protected Point getInitialLocation() {
return null;
}
protected void storeLastLocation(Point point) {
// Do nothing.
}
}
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