/*
* File : MultiTrackerEditor.java
* Created : 3 déc. 2003}
* By : Olivier
*
* Azureus - a Java Bittorrent client
*
* 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.
*
* 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 ( see the LICENSE file ).
*
* 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
*/
package org.gudy.azureus2.ui.swt.maketorrent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TreeEditor;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.Point;
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.util.Constants;
import org.gudy.azureus2.ui.swt.ImageRepository;
import org.gudy.azureus2.ui.swt.Messages;
import org.gudy.azureus2.ui.swt.Utils;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
import java.net.URL;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* @author Olivier
*
*/
public class MultiTrackerEditor {
TrackerEditorListener listener;
String oldName;
String currentName;
boolean anonymous;
List trackers;
Display display;
Shell shell;
Text textName;
Tree treeGroups;
TreeEditor editor;
TreeItem itemEdited;
Button btnSave;
Button btnCancel;
Menu menu;
public MultiTrackerEditor(String name,List trackers,TrackerEditorListener listener) {
this( name, trackers, listener, false );
}
public
MultiTrackerEditor(
String name,
List trackers,
TrackerEditorListener listener,
boolean _anonymous )
{
this.oldName = name;
if(name != null)
this.currentName = name;
else
this.currentName = "";
this.listener = listener;
anonymous = _anonymous;
this.trackers = new ArrayList(trackers);
createWindow();
}
private void createWindow() {
this.display = Display.getCurrent();
this.shell = org.gudy.azureus2.ui.swt.components.shell.ShellFactory.createShell(SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL | SWT.RESIZE);
Messages.setLanguageText(this.shell,"wizard.multitracker.edit.title");
Utils.setShellIcon(shell);
GridLayout layout = new GridLayout();
layout.numColumns = 3;
shell.setLayout(layout);
GridData gridData;
if ( !anonymous ){
Label labelName = new Label(shell,SWT.NULL);
Messages.setLanguageText(labelName,"wizard.multitracker.edit.name");
textName = new Text(shell,SWT.BORDER);
textName.setText(currentName);
gridData = new GridData(GridData.FILL_HORIZONTAL);
gridData.horizontalSpan = 2;
textName.setLayoutData(gridData);
textName.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent arg0) {
currentName = textName.getText();
computeSaveEnable();
}
});
}
treeGroups = new Tree(shell,SWT.BORDER);
gridData = new GridData(GridData.FILL_BOTH);
gridData.horizontalSpan = 3;
gridData.heightHint = 150;
treeGroups.setLayoutData(gridData);
treeGroups.addMouseListener(
new MouseAdapter()
{
public void
mouseDoubleClick(
MouseEvent arg0 )
{
if(treeGroups.getSelectionCount() == 1) {
TreeItem treeItem = treeGroups.getSelection()[0];
String type = (String) treeItem.getData("type");
if(type.equals("tracker")) {
editTreeItem(treeItem);
}
}
}
});
Label labelSeparator = new Label(shell,SWT.SEPARATOR | SWT.HORIZONTAL);
gridData = new GridData(GridData.FILL_HORIZONTAL);
gridData.horizontalSpan = 3;
labelSeparator.setLayoutData(gridData);
// button row
Composite cButtons = new Composite(shell, SWT.NONE);
gridData = new GridData(GridData.FILL_HORIZONTAL);
gridData.horizontalSpan = 3;
cButtons.setLayoutData(gridData);
GridLayout layoutButtons = new GridLayout();
layoutButtons.numColumns = 3;
cButtons.setLayout(layoutButtons);
Label label = new Label(cButtons,SWT.NULL);
gridData = new GridData(GridData.FILL_HORIZONTAL );
label.setLayoutData(gridData);
btnSave = new Button(cButtons,SWT.PUSH);
gridData = new GridData();
gridData.widthHint = 70;
gridData.horizontalAlignment = GridData.END;
btnSave.setLayoutData(gridData);
Messages.setLanguageText(btnSave,"wizard.multitracker.edit.save");
btnSave.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
update();
shell.dispose();
}
});
btnCancel = new Button(cButtons,SWT.PUSH);
gridData = new GridData();
gridData.horizontalAlignment = GridData.END;
gridData.widthHint = 70;
btnCancel.setLayoutData(gridData);
Messages.setLanguageText(btnCancel,"Button.cancel");
btnCancel.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
shell.dispose();
}
});
shell.setDefaultButton( btnSave );
shell.addListener(SWT.Traverse, new Listener() {
public void handleEvent(Event e) {
if ( e.character == SWT.ESC){
shell.dispose();
}
}
});
computeSaveEnable();
refresh();
constructMenu();
editor = new TreeEditor (treeGroups);
treeGroups.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent arg0) {
if(itemEdited != null && !editor.getEditor().isDisposed())
itemEdited.setText(((Text)editor.getEditor()).getText());
removeEditor();
}
});
Point size = shell.computeSize(400,SWT.DEFAULT);
shell.setSize(size);
Utils.centreWindow( shell );
shell.open();
}
private void update() {
trackers = new ArrayList();
TreeItem[] groupItems = treeGroups.getItems();
for(int i = 0 ; i < groupItems.length ; i++) {
TreeItem group = groupItems[i];
TreeItem[] trackerItems = group.getItems();
List groupList = new ArrayList(group.getItemCount());
for(int j = 0 ; j < trackerItems.length ; j++) {
groupList.add(trackerItems[j].getText());
}
trackers.add(groupList);
}
listener.trackersChanged(oldName,currentName,trackers);
oldName = currentName;
}
private void computeSaveEnable()
{
boolean enabled = anonymous || !("".equals(currentName));
if ( enabled ){
TreeItem[] groupItems = treeGroups.getItems();
outer:
for(int i = 0 ; i < groupItems.length ; i++) {
TreeItem group = groupItems[i];
TreeItem[] trackerItems = group.getItems();
for(int j = 0 ; j < trackerItems.length ; j++) {
if ( ! validURL(trackerItems[j].getText())){
enabled = false;
break outer;
}
}
}
}
if ( enabled != btnSave.getEnabled()){
btnSave.setEnabled( enabled );
}
}
private void refresh() {
treeGroups.removeAll();
Iterator iter = trackers.iterator();
while(iter.hasNext()) {
List trackerGroup = (List) iter.next();
TreeItem itemRoot = newGroup();
Iterator iter2 = trackerGroup.iterator();
while(iter2.hasNext()) {
String url = (String) iter2.next();
newTracker(itemRoot,url);
}
}
}
private void constructMenu() {
menu = new Menu(shell,SWT.NULL);
menu.addListener(SWT.Show, new Listener() {
public void handleEvent(Event e) {
//1. Empty the menu
MenuItem[] items = menu.getItems();
for(int i = 0 ; i < items.length ; i++) {
items[i].dispose();
}
//2. Test for the number of element selected
// should be 1
if(treeGroups.getSelectionCount() != 1) {
MenuItem item = new MenuItem(menu,SWT.NULL);
Messages.setLanguageText(item,"wizard.multitracker.edit.newgroup");
item.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event arg0) {
TreeItem group = newGroup();
TreeItem itemTracker = newTracker(group,"http://");
editTreeItem(itemTracker);
}
});
return;
}
//3. Grab the element
final TreeItem treeItem = treeGroups.getSelection()[0];
String type = (String) treeItem.getData("type");
if(type.equals("tracker")) {
//The Tracker menu
MenuItem item = new MenuItem(menu,SWT.NULL);
Messages.setLanguageText(item,"wizard.multitracker.edit.deletetracker");
item.addListener(SWT.Selection,new Listener(){
public void handleEvent(Event arg0) {
treeItem.dispose();
}
});
item = new MenuItem(menu,SWT.NULL);
Messages.setLanguageText(item,"wizard.multitracker.edit.edit");
item.addListener(SWT.Selection,new Listener(){
public void handleEvent(Event arg0) {
editTreeItem(treeItem);
}
});
} else
if(type.equals("group")) {
//The Group menu
MenuItem item = new MenuItem(menu,SWT.NULL);
Messages.setLanguageText(item,"wizard.multitracker.edit.newgroup");
item.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event arg0) {
TreeItem group = newGroup();
TreeItem itemTracker = newTracker(group,"http://");
editTreeItem(itemTracker);
}
});
item = new MenuItem(menu,SWT.NULL);
Messages.setLanguageText(item,"wizard.multitracker.edit.deletegroup");
item.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event arg0) {
TreeItem[] subItems = treeItem.getItems();
for(int i = 0 ; i < subItems.length ; i++) {
subItems[i].dispose();
}
treeItem.dispose();
}
});
new MenuItem(menu,SWT.SEPARATOR);
item = new MenuItem(menu,SWT.NULL);
Messages.setLanguageText(item,"wizard.multitracker.edit.newtracker");
item.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event arg0) {
TreeItem itemTracker = newTracker(treeItem,"http://");
editTreeItem(itemTracker);
}
});
/*
new MenuItem(menu,SWT.SEPARATOR);
item = new MenuItem(menu,SWT.NULL);
Messages.setLanguageText(item,"wizard.multitracker.edit.tracker.moveUp");
item = new MenuItem(menu,SWT.NULL);
Messages.setLanguageText(item,"wizard.multitracker.edit.tracker.moveDown");
*/
}
}
});
treeGroups.setMenu(menu);
}
private void editTreeItem(final TreeItem item) {
// Clean up any previous editor control
Control oldEditor = editor.getEditor();
if (oldEditor != null)
oldEditor.dispose();
itemEdited = item;
// The control that will be the editor must be a child of the Tree
final Text text = new Text(treeGroups, SWT.BORDER);
text.setText(item.getText());
text.setForeground(item.getForeground());
text.setSelection(item.getText().length());
text.addListener (SWT.DefaultSelection, new Listener () {
public void handleEvent (Event e) {
String url = text.getText();
if ( validURL(url)){
text.setForeground( null );
item.setForeground( null );
}else{
text.setForeground( Colors.colorError );
item.setForeground( Colors.colorError );
}
item.setText(url);
computeSaveEnable();
removeEditor();
}
});
text.addListener(SWT.Modify, new Listener() {
public void handleEvent (Event e) {
String url = text.getText();
if ( validURL(url)){
text.setForeground( null );
item.setForeground( null );
}else{
text.setForeground( Colors.colorError );
item.setForeground( Colors.colorError );
}
item.setText(url);
computeSaveEnable();
}
});
text.addKeyListener(new KeyAdapter() {
public void keyReleased(KeyEvent keyEvent) {
if(keyEvent.character == SWT.ESC) {
removeEditor();
}
}
});
//The text editor must have the same size as the cell and must
//not be any smaller than 50 pixels.
editor.horizontalAlignment = SWT.LEFT;
editor.grabHorizontal = true;
editor.minimumWidth = 50;
Rectangle r = text.computeTrim(0, 0, 100, text.getLineHeight());
editor.minimumHeight = r.height;
// Open the text editor on the selected row.
editor.setEditor (text, item);
// Assign focus to the text control
text.setFocus ();
}
private boolean
validURL(
String str )
{
try{
URL url = new URL(str);
String prot = url.getProtocol().toLowerCase();
if ( prot.equals( "http") || prot.equals( "https" ) || prot.equals( "udp")){
return( true );
}
return( false );
}catch( Throwable e ){
return( false );
}
}
private void removeEditor() {
Control oldEditor = editor.getEditor();
if (oldEditor != null)
oldEditor.dispose();
}
private TreeItem newGroup() {
TreeItem item = new TreeItem(treeGroups,SWT.NULL);
item.setData("type","group");
Messages.setLanguageText(item, "wizard.multitracker.group");
return item;
}
private TreeItem newTracker(TreeItem root,String url) {
TreeItem item = new TreeItem(root,SWT.NULL);
item.setText(url);
item.setData("type","tracker");
root.setExpanded(true);
return item;
}
}