1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
package org.openslx.dozmod.gui;
import java.lang.reflect.Constructor;
import org.apache.log4j.Logger;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.openslx.dozmod.Config;
import org.openslx.dozmod.gui.helper.Gui;
import org.openslx.dozmod.gui.helper.MessageType;
import org.openslx.dozmod.gui.window.DisclaimerWindow;
import org.openslx.dozmod.gui.window.LoginWindow;
import org.openslx.dozmod.gui.window.MainMenuWindow;
import org.openslx.dozmod.gui.window.VirtualizerNoticeWindow;
import org.openslx.dozmod.thrift.Session;
import org.openslx.thrifthelper.ThriftManager;
import org.openslx.thrifthelper.ThriftManager.ErrorCallback;
public abstract class MainWindow {
private final static Logger LOGGER = Logger.getLogger(MainWindow.class);
private static final Shell mainShell;
private static Composite contentComposite;
private static final String THRIFT_CONNECTION_ERROR = "Lost connection to the masterserver. Do you want to retry?";
/**
* Add a new composite with content to the main Shell
*
* @param The composite to add, should be a GUI
*/
public static void setContent(Composite contentComposite) {
if (contentComposite == null)
return;
if (MainWindow.contentComposite != null)
MainWindow.contentComposite.dispose();
MainWindow.contentComposite = contentComposite;
// sets the starting preferred size.
contentComposite.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));
mainShell.layout();
}
/**
* @param clazz Class to open as a popup over the main window.
* MUST be a subclass of Composite.
*/
public static void openPopup(Class<? extends Composite> clazz, boolean modal) {
Shell dialogShell = new Shell(mainShell, SWT.DIALOG_TRIM | (modal ? SWT.APPLICATION_MODAL : 0));
// populate dialogShell
dialogShell.setLayout(new GridLayout(1, false));
LOGGER.debug(clazz.getDeclaredClasses());
Constructor<?> con = null;
try {
con = clazz.getConstructor(Shell.class);
con.newInstance(dialogShell);
} catch (Exception e1) {
showMessageBox(mainShell, "Cannot show popup " + clazz.getName(), MessageType.DEBUG, LOGGER, e1);
return;
}
dialogShell.layout();
dialogShell.pack();
Gui.limitShellSize(dialogShell);
dialogShell.open();
}
/**
* Initialises the GUI by creating the main window, adding the menu and
* creating the login mask as the first content window.
* Further sets up the global thrift error callback to catch any
* connection errors during the communication with the servers.
*/
static {
// init SWT stuff
mainShell = new Shell(Gui.display, SWT.SHELL_TRIM | SWT.CENTER);
// Set up thrift error message displaying
ThriftManager.setErrorCallback(new ErrorCallback() {
@Override
public boolean thriftError(int failCount, String method, Throwable t) {
// Ask user if we should retry
return showMessageBox(mainShell, THRIFT_CONNECTION_ERROR, MessageType.ERROR_RETRY, LOGGER, t);
}
});
// Same for config errors
Config.setErrorCallback(new Config.ErrorCallback() {
@Override
public void writeError(Throwable t) {
showMessageBox("Konnte Programmeinstellungen nicht speichern", MessageType.WARNING, LOGGER, t);
}
});
// Global key listener
Gui.display.addFilter(SWT.KeyDown, new Listener() {
@Override
public void handleEvent(Event event) {
if (event.character == 17) // Ctrl-Q = Quit
System.exit(0);
}
});
createMenu();
mainShell.setText("bwSuite");
// Set layout for the mainshell, items added to the shell should get a gridData
mainShell.setLayout(new GridLayout(1, true));
mainShell.setMinimumSize(850, 650);
// always show the main menu
setContent(new MainMenuWindow(mainShell));
// center the window on the primary monitor
Gui.centerShell(mainShell);
mainShell.open();
// here we can check for Session information
if (Session.getSatelliteToken() == null) {
// User did not login, show the login mask
openPopup(LoginWindow.class, true);
}
}
/**
* Run the GUI mainloop as long as the main window exists.
*/
public static void mainloop() {
while (!mainShell.isDisposed()) {
if (!Gui.display.readAndDispatch())
Gui.display.sleep();
}
}
private static void createMenu() {
// the File menu button
Menu menuBar = new Menu(mainShell, SWT.BAR);
MenuItem cascadeFileMenu = new MenuItem(menuBar, SWT.CASCADE);
cascadeFileMenu.setText("&File");
Menu fileMenu = new Menu(mainShell, SWT.DROP_DOWN);
cascadeFileMenu.setMenu(fileMenu);
MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
exitItem.setText("&Exit");
exitItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
System.exit(0);
}
});
// the About menu button
MenuItem cascadeAboutMenu = new MenuItem(menuBar, SWT.CASCADE);
cascadeAboutMenu.setText("&About");
Menu aboutMenu = new Menu(mainShell, SWT.DROP_DOWN);
cascadeAboutMenu.setMenu(aboutMenu);
MenuItem disclaimerItem = new MenuItem(aboutMenu, SWT.PUSH);
disclaimerItem.setText("&Disclaimer");
disclaimerItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
MainWindow.openPopup(DisclaimerWindow.class, false);
}
});
MenuItem virtualizerNoticeItem = new MenuItem(aboutMenu, SWT.PUSH);
virtualizerNoticeItem.setText("&Virtualizer");
virtualizerNoticeItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
MainWindow.openPopup(VirtualizerNoticeWindow.class, false);
}
});
mainShell.setMenuBar(menuBar);
}
/**
* Generic helper to show a message box to the user, and optionally log the
* message to the log file. The main window will be the parent of the
* message box.
*
* @param message Message to display. Can be multiline.
* @param messageType Type of message (warning, information)
* @param logger Logger instance to log to. Can be null.
* @param exception Exception related to this message. Can be null.
* @return true if OK, YES or RETRY was clicked, false for CANCEL or NO
*/
public static boolean showMessageBox(String message, MessageType messageType, Logger logger,
Throwable exception) {
return showMessageBox(mainShell, message, messageType, logger, exception);
}
/**
* Generic helper to show a message box to the user, and optionally log the
* message to the log file.
*
* @param parent parent shell this message box belongs to
* @param message Message to display. Can be multiline.
* @param messageType Type of message (warning, information)
* @param logger Logger instance to log to. Can be null.
* @param exception Exception related to this message. Can be null.
* @return true if OK, YES or RETRY was clicked, false for CANCEL or NO
*/
public static boolean showMessageBox(Shell parent, String message, MessageType messageType,
Logger logger, Throwable exception) {
if (logger != null)
logger.log(messageType.logPriority, message, exception);
if (exception != null)
message += "\n\n" + exception.getClass().getSimpleName() + " (Siehe Logdatei)";
MessageBox box = new MessageBox(parent, messageType.style);
box.setMessage(message);
box.setText(messageType.title);
int ret = box.open();
return ret == SWT.OK || ret == SWT.RETRY || ret == SWT.YES;
}
}
|
