/*
* Created on 29 juin 2003
* Copyright (C) 2003, 2004, 2005, 2006 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;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
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.graphics.Rectangle;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.IndentWriter;
import org.gudy.azureus2.plugins.PluginView;
import org.gudy.azureus2.ui.swt.mainwindow.MainWindow;
import org.gudy.azureus2.ui.swt.plugins.UISWTPluginView;
import org.gudy.azureus2.ui.swt.plugins.UISWTView;
import org.gudy.azureus2.ui.swt.pluginsimpl.UISWTViewImpl;
import org.gudy.azureus2.ui.swt.views.*;
import com.aelitis.azureus.ui.swt.UIFunctionsManagerSWT;
import com.aelitis.azureus.ui.swt.UIFunctionsSWT;
/**
* @author Olivier
* @author James Yeh Added Add/Remove event listeners
*/
public class Tab {
private static HashMap tabs;
private static AEMonitor class_mon = new AEMonitor( "Tab:class" );
private static boolean useCustomTab;
private static Composite _folder;
private Composite folder;
private Item tabItem;
private static boolean eventCloseAllowed = true;
private static Item selectedItem = null;
private IView view;
// events
private static List tabAddListeners;
private static List tabRemoveListeners;
private static MainWindow mainwindow;
static {
tabs = new HashMap();
tabAddListeners = new LinkedList();
tabRemoveListeners = new LinkedList();
}
public Item getTabItem() {
return tabItem;
}
public Tab(IView _view) {
this(_view, true);
}
public Tab(IView _view, boolean bFocus) {
this.view = _view;
this.folder = _folder;
if (folder.isDisposed()) {
return;
}
final MouseAdapter mouseListener;
if (useCustomTab) {
CTabFolder tabFolder = (CTabFolder) folder;
tabItem = new CTabItem(tabFolder, SWT.NULL,
(_view instanceof MyTorrentsSuperView) ? 0 : tabFolder.getItemCount());
folder.addMouseListener(mouseListener = new MouseAdapter() {
public void mouseDown(MouseEvent arg0) {
if(arg0.button == 2) {
if(eventCloseAllowed) {
Rectangle rectangle =((CTabItem)tabItem).getBounds();
if(rectangle.contains(arg0.x, arg0.y)) {
eventCloseAllowed = false;
selectedItem = null;
//folder.removeMouseListener(this);
closed(tabItem);
}
}
} else {
selectedItem = ((CTabFolder) folder).getSelection();
}
}
public void mouseUp(MouseEvent arg0) {
eventCloseAllowed = true;
if(selectedItem != null) {
if(_folder instanceof CTabFolder)
((CTabFolder) _folder).setSelection((CTabItem)selectedItem);
}
}
});
}
else {
mouseListener = null;
TabFolder tabFolder = (TabFolder) folder;
tabItem = new TabItem(tabFolder, SWT.NULL,
(_view instanceof MyTorrentsSuperView) ? 0 : tabFolder.getItemCount());
}
Listener activateListener = new Listener() {
public void handleEvent(Event event) {
IView view = null;
Composite parent = (Composite)event.widget;
IView oldView = getView(selectedItem);
if (oldView instanceof IViewExtension) {
((IViewExtension)oldView).viewDeactivated();
}
while (parent != null && !parent.isDisposed() && view == null) {
if (parent instanceof CTabFolder) {
CTabFolder folder = (CTabFolder)parent;
selectedItem = folder.getSelection();
view = getView(selectedItem);
} else if (parent instanceof TabFolder) {
TabFolder folder = (TabFolder)parent;
TabItem[] selection = folder.getSelection();
if (selection.length > 0) {
selectedItem = selection[0];
view = getView(selectedItem);
}
}
if (view == null)
parent = parent.getParent();
}
if (view != null) {
if (view instanceof IViewExtension) {
((IViewExtension)view).viewActivated();
}
view.refresh();
}
}
};
tabs.put(tabItem, view);
try {
// Always create a composite around the IView, because a lot of them
// assume that their parent is of GridLayout layout.
final Composite tabArea = new Composite(folder, SWT.NONE);
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
tabArea.setLayout(layout);
_view.initialize(tabArea);
tabItem.setText(escapeAccelerators(view.getShortTitle()));
Composite viewComposite = _view.getComposite();
if (viewComposite != null && !viewComposite.isDisposed()) {
viewComposite.addListener(SWT.Activate, activateListener);
// make sure the view's layout data is of GridLayoutData
if ((tabArea.getLayout() instanceof GridLayout)
&& !(viewComposite.getLayoutData() instanceof GridData)) {
viewComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
}
if (viewComposite != tabArea) {
viewComposite.addDisposeListener(new DisposeListener() {
boolean alreadyHere = false;
public void widgetDisposed(DisposeEvent e) {
if (alreadyHere) {
return;
}
alreadyHere = true;
Utils.disposeComposite(tabArea);
}
});
}
}
if (useCustomTab) {
((CTabItem) tabItem).setControl(tabArea);
// Disabled for SWT 3.2RC5.. CTabItem tooltip doesn't always disappear
// ((CTabItem) tabItem).setToolTipText(view.getFullTitle());
if (bFocus)
((CTabFolder) folder).setSelection((CTabItem) tabItem);
} else {
((TabItem) tabItem).setControl(tabArea);
((TabItem) tabItem).setToolTipText(view.getFullTitle());
TabItem items[] = { (TabItem) tabItem };
if (bFocus)
((TabFolder) folder).setSelection(items);
}
} catch (Exception e) {
tabs.remove(tabItem);
Debug.printStackTrace(e);
}
if (bFocus) {
UIFunctionsSWT uif = UIFunctionsManagerSWT.getUIFunctionsSWT();
if (uif != null) {
uif.refreshIconBar();
uif.refreshTorrentMenu();
}
selectedItem = tabItem;
}
// events
notifyListeners(tabAddListeners, tabItem);
tabItem.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent event) {
folder.removeMouseListener(mouseListener);
notifyListeners(tabRemoveListeners, tabItem);
}
});
// System.out.println("selected: "+selectedItem.getText());
}
//public static IView getView(TabItem item) {
//public static IView getView(CTabItem item) {
public static IView getView(Item item) {
return (IView) tabs.get(item);
}
public IView
getView()
{
return( view );
}
public static Item
getTab(
IView view )
{
try{
class_mon.enter();
Iterator iter = tabs.keySet().iterator();
while( iter.hasNext()){
Item item = (Item) iter.next();
IView this_view = (IView) tabs.get(item);
if ( this_view == view ){
return( item );
}
}
return( null );
}finally{
class_mon.exit();
}
}
public static Item[] getAllTabs() {
try {
class_mon.enter();
Item[] tabItems = new Item[tabs.size()];
if (tabItems.length > 0) {
tabItems = (Item[]) tabs.keySet().toArray(tabItems);
}
return tabItems;
} finally {
class_mon.exit();
}
}
public static IView[] getAllViews() {
try {
class_mon.enter();
IView[] views = new IView[tabs.size()];
if (views.length > 0) {
views = (IView[])tabs.values().toArray(views);
}
return views;
} finally {
class_mon.exit();
}
}
public static void refresh() {
try{
class_mon.enter();
Iterator iter = tabs.keySet().iterator();
while (iter.hasNext()) {
//TabItem item = (TabItem) iter.next();
//CTabItem item = (CTabItem) iter.next();
Item item = (Item) iter.next();
IView view = (IView) tabs.get(item);
try {
if (item.isDisposed())
continue;
String lastTitle = item.getText();
String newTitle = view.getShortTitle();
if (lastTitle == null || !lastTitle.equals(newTitle)) {
item.setText(escapeAccelerators(newTitle));
}
if (item instanceof CTabItem) {
// Disabled for SWT 3.2RC5.. CTabItem tooltip doesn't always disappear
// String lastToolTip = ((CTabItem) item).getToolTipText();
// String newToolTip = view.getFullTitle();
// if (lastToolTip == null || !lastToolTip.equals(newToolTip)) {
// ((CTabItem) item).setToolTipText(newToolTip);
// }
}
else if (item instanceof TabItem) {
String lastToolTip = ((TabItem) item).getToolTipText();
String newToolTip = view.getFullTitle() + " " +
MessageText.getString("Tab.closeHint");
if (lastToolTip == null || !lastToolTip.equals(newToolTip)) {
((TabItem) item).setToolTipText(newToolTip);
}
}
}
catch (Exception e){
Debug.printStackTrace(e);
}
}
}finally{
class_mon.exit();
}
}
public static void
updateLanguage()
{
IView[] views;
try{
class_mon.enter();
views = (IView[]) tabs.values().toArray(new IView[tabs.size()]);
}finally{
class_mon.exit();
}
for (int i = 0; i < views.length; i++) {
IView view = views[i];
try {
view.updateLanguage();
view.refresh();
}
catch (Exception e) {
Debug.printStackTrace(e);
}
}
}
public static void
closeAllTabs()
{
Item[] tab_items;
try{
class_mon.enter();
tab_items = (Item[]) tabs.keySet().toArray(new Item[tabs.size()]);
}finally{
class_mon.exit();
}
for (int i = 0; i < tab_items.length; i++) {
closed(tab_items[i], true);
}
}
public static boolean hasDetails()
{
boolean hasDetails = false;
try
{
class_mon.enter();
Iterator iter = tabs.values().iterator();
while (iter.hasNext())
{
IView view = (IView) iter.next();
if(view instanceof ManagerView)
{
hasDetails = true;
break;
}
}
}
finally
{
class_mon.exit();
}
return hasDetails;
}
public static void
closeAllDetails()
{
Item[] tab_items;
try{
class_mon.enter();
tab_items = (Item[]) tabs.keySet().toArray(new Item[tabs.size()]);
}finally{
class_mon.exit();
}
for (int i = 0; i < tab_items.length; i++) {
IView view = (IView) tabs.get(tab_items[i]);
if (view instanceof ManagerView) {
closed(tab_items[i]);
}
}
}
public static void closeCurrent() {
if (_folder == null || _folder.isDisposed())
return;
if(_folder instanceof TabFolder) {
TabItem[] items = ((TabFolder)_folder).getSelection();
if(items.length == 1) {
closed(items[0]);
}
} else {
closed(((CTabFolder)_folder).getSelection());
}
}
/**
* @param selectNext if true, the next tab is selected, else the previous
*
* @author Rene Leonhardt
*/
public static void selectNextTab(boolean selectNext) {
if (_folder == null || _folder.isDisposed())
return;
final int nextOrPrevious = selectNext ? 1 : -1;
if(_folder instanceof TabFolder) {
TabFolder tabFolder = (TabFolder)_folder;
int index = tabFolder.getSelectionIndex() + nextOrPrevious;
if(index == 0 && selectNext || index == -2 || tabFolder.getItemCount() < 2)
return;
if(index == tabFolder.getItemCount())
index = 0;
else if(index < 0)
index = tabFolder.getItemCount() - 1;
tabFolder.setSelection(index);
} else {
CTabFolder tabFolder = (CTabFolder)_folder;
int index = tabFolder.getSelectionIndex() + nextOrPrevious;
if(index == 0 && selectNext || index == -2 || tabFolder.getItemCount() < 2)
return;
if(index == tabFolder.getItemCount())
index = 0;
else if(index < 0)
index = tabFolder.getItemCount() - 1;
tabFolder.setSelection(index);
}
}
//public static void setFolder(TabFolder folder) {
//public static void setFolder(CTabFolder folder) {
public static void initialize(MainWindow mainwindow, Composite folder) {
Tab.mainwindow = mainwindow;
_folder = folder;
}
public static boolean
closed(Item item)
{
return closed(item, false);
}
public static boolean
closed(Item item, boolean bForceClose)
{
if (item == null) {
return true;
}
IView view = (IView) tabs.get(item);
if (!bForceClose && view instanceof UISWTViewImpl) {
if (!((UISWTViewImpl)view).requestClose()) {
return false;
}
}
try{
class_mon.enter();
view = (IView) tabs.remove(item);
}finally{
class_mon.exit();
}
if (view != null) {
try {
if(view instanceof PluginView) {
mainwindow.removeActivePluginView(((PluginView)view).getPluginViewName());
}
if(view instanceof UISWTPluginView) {
mainwindow.removeActivePluginView(((UISWTPluginView)view).getPluginViewName());
}
if(view instanceof UISWTView)
mainwindow.removeActivePluginView(((UISWTView)view).getViewID());
view.delete();
} catch (Exception e) {
Debug.printStackTrace( e );
}
if (view instanceof MyTorrentsSuperView) {
//TODO : There is a problem here on OSX when using Normal TABS
/* org.eclipse.swt.SWTException: Widget is disposed
at org.eclipse.swt.SWT.error(SWT.java:2691)
at org.eclipse.swt.SWT.error(SWT.java:2616)
at org.eclipse.swt.SWT.error(SWT.java:2587)
at org.eclipse.swt.widgets.Widget.error(Widget.java:546)
at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:296)
at org.eclipse.swt.widgets.Control.setVisible(Control.java:2573)
at org.eclipse.swt.widgets.TabItem.releaseChild(TabItem.java:180)
at org.eclipse.swt.widgets.Widget.dispose(Widget.java:480)
at org.gudy.azureus2.ui.swt.Tab.closed(Tab.java:322)
*/
//Tried to add a if(! item.isDisposed()) but it's not fixing it
//Need to investigate...
item.dispose();
return true;
}
if (view instanceof MyTrackerView) {
item.dispose();
return true;
}
if (view instanceof MySharesView) {
item.dispose();
return true;
}
}
try {
/*Control control;
if(item instanceof CTabItem) {
control = ((CTabItem)item).getControl();
} else {
control = ((TabItem)item).getControl();
}
if (control != null && !control.isDisposed())
control.dispose();
*/
item.dispose();
}
catch (Exception e) {
Debug.printStackTrace( e );
}
return true;
}
public void setFocus() {
if (folder != null && !folder.isDisposed()) {
if(useCustomTab) {
((CTabFolder)folder).setSelection((CTabItem)tabItem);
} else {
TabItem items[] = {(TabItem)tabItem};
((TabFolder)folder).setSelection(items);
}
}
}
public void dispose() {
IView localView = null;
try{
class_mon.enter();
localView = (IView) tabs.get(tabItem);
if (localView instanceof UISWTViewImpl) {
if (!((UISWTViewImpl) localView).requestClose())
return;
}
tabs.remove(tabItem);
}finally{
class_mon.exit();
}
try {
if (localView != null) {
if(localView instanceof PluginView) {
mainwindow.removeActivePluginView(((PluginView)localView).getPluginViewName());
}
if(localView instanceof UISWTPluginView) {
mainwindow.removeActivePluginView(((UISWTPluginView)localView).getPluginViewName());
}
localView.delete();
}
tabItem.dispose();
}
catch (Exception e) {}
}
public static void addTabAddedListener(Listener listener)
{
addListener(tabAddListeners, listener);
}
public static void removeTabAddedListener(Listener listener)
{
removeListener(tabAddListeners, listener);
}
public static void addTabRemovedListener(Listener listener)
{
addListener(tabRemoveListeners, listener);
}
public static void removeTabRemovedListener(Listener listener)
{
removeListener(tabRemoveListeners, listener);
}
private static void addListener(List listenerList, Listener listener)
{
try
{
class_mon.enter();
listenerList.add(listener);
}
finally
{
class_mon.exit();
}
}
private static void removeListener(List listenerList, Listener listener)
{
try
{
class_mon.enter();
listenerList.remove(listener);
}
finally
{
class_mon.exit();
}
}
private static void notifyListeners(List listenerList, Item sender)
{
try
{
class_mon.enter();
Iterator iter = listenerList.iterator();
for (int i = 0; i < listenerList.size(); i++)
{
((Listener)iter.next()).handleEvent(getEvent(sender));
}
}
finally
{
class_mon.exit();
}
}
protected static String
escapeAccelerators(
String str )
{
if ( str == null ){
return( str );
}
return( str.replaceAll( "&", "&&" ));
}
private static Event getEvent(Item sender)
{
Event e = new Event();
e.widget = sender;
return e;
}
public void
generateDiagnostics(
IndentWriter writer )
{
view.generateDiagnostics( writer );
}
public static void setUseCustomTab(boolean newUseCustomTab) {
useCustomTab = newUseCustomTab;
}
}