/**
* Sets up data binding between the text fields and the connection details object. Also attaches a
* "string required" validator to the "password" text field. This validator is configured to do
* the following on validation failure<br>
* <li>show an ERROR decorator
* <li>disable the "Login" button
*/
private void setupDataBinding() {
DataBindingContext dataBindingContext =
new DataBindingContext(SWTObservables.getRealm(Display.getCurrent()));
UpdateValueStrategy passwordBindingStrategy =
new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE);
// The Validator shows error decoration and disables OK button on
// validation failure
passwordBindingStrategy.setBeforeSetValidator(
new StringRequiredValidator(
"Please enter password!", guiHelper.createErrorDecoration(passwordText), okButton));
dataBindingContext.bindValue(
WidgetProperties.text(SWT.Modify).observe(passwordText),
PojoProperties.value("password").observe(connectionDetails),
passwordBindingStrategy,
passwordBindingStrategy);
UpdateValueStrategy userIdBindingStrategy =
new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE);
dataBindingContext.bindValue(
WidgetProperties.text(SWT.Modify).observe(userIdText),
PojoProperties.value("userId").observe(connectionDetails),
userIdBindingStrategy,
userIdBindingStrategy);
}
/** Overriding to make sure that the dialog is centered in screen */
@Override
protected void initializeBounds() {
super.initializeBounds();
getShell().setSize(390, 240);
guiHelper.centerShellInScreen(getShell());
}
@Override
public Image getColumnImage(Object element, int columnIndex) {
if (!(element instanceof GlusterServer)) {
return null;
}
GlusterServer server = (GlusterServer) element;
if (columnIndex == GLUSTER_SERVER_TABLE_COLUMN_INDICES.STATUS.ordinal()) {
SERVER_STATUS status = server.getStatus();
if (status == SERVER_STATUS.ONLINE) {
return guiHelper.getImage(IImageKeys.STATUS_ONLINE_16x16);
} else {
return guiHelper.getImage(IImageKeys.STATUS_OFFLINE_16x16);
}
}
return null;
}
@Override
protected Control createDialogArea(Composite parent) {
parent.setBackgroundImage(guiHelper.getImage(IImageKeys.DIALOG_SPLASH_IMAGE));
// Makes sure that child composites inherit the same background
parent.setBackgroundMode(SWT.INHERIT_FORCE);
composite = (Composite) super.createDialogArea(parent);
configureDialogLayout(composite);
GridData layoutData = new GridData(390, 110);
composite.setLayoutData(layoutData);
createUserIdLabel(composite);
createUserIdText(composite);
createPasswordLabel(composite);
createPasswordText(composite);
setupAutoLoginIfRequired();
return composite;
}
public class GlusterServerTableLabelProvider extends TableLabelProviderAdapter {
private GUIHelper guiHelper = GUIHelper.getInstance();
@Override
public Image getColumnImage(Object element, int columnIndex) {
if (!(element instanceof GlusterServer)) {
return null;
}
GlusterServer server = (GlusterServer) element;
if (columnIndex == GLUSTER_SERVER_TABLE_COLUMN_INDICES.STATUS.ordinal()) {
SERVER_STATUS status = server.getStatus();
if (status == SERVER_STATUS.ONLINE) {
return guiHelper.getImage(IImageKeys.STATUS_ONLINE_16x16);
} else {
return guiHelper.getImage(IImageKeys.STATUS_OFFLINE_16x16);
}
}
return null;
}
@Override
public String getColumnText(Object element, int columnIndex) {
if (!(element instanceof GlusterServer)) {
return null;
}
GlusterServer server = (GlusterServer) element;
if (server.getStatus() == SERVER_STATUS.OFFLINE
&& columnIndex != GLUSTER_SERVER_TABLE_COLUMN_INDICES.NAME.ordinal()
&& columnIndex != GLUSTER_SERVER_TABLE_COLUMN_INDICES.STATUS.ordinal()) {
return "NA";
}
return (columnIndex == GLUSTER_SERVER_TABLE_COLUMN_INDICES.NAME.ordinal()
? server.getName()
: columnIndex == GLUSTER_SERVER_TABLE_COLUMN_INDICES.STATUS.ordinal()
? server.getStatusStr()
// : columnIndex == GLUSTER_SERVER_TABLE_COLUMN_INDICES.PREFERRED_NETWORK.ordinal() ?
// server.getPreferredNetworkInterface().getName()
: columnIndex == GLUSTER_SERVER_TABLE_COLUMN_INDICES.NUM_OF_CPUS.ordinal()
? "" + server.getNumOfCPUs()
// : columnIndex == SERVER_DISK_TABLE_COLUMN_INDICES.CPU_USAGE.ordinal() ? "" +
// server.getCpuUsage()
: columnIndex == GLUSTER_SERVER_TABLE_COLUMN_INDICES.TOTAL_MEMORY.ordinal()
? "" + NumberUtil.formatNumber((server.getTotalMemory() / 1024))
// : columnIndex == SERVER_DISK_TABLE_COLUMN_INDICES.MEMORY_IN_USE.ordinal() ?
// "" + server.getMemoryInUse()
: columnIndex == GLUSTER_SERVER_TABLE_COLUMN_INDICES.TOTAL_FREE_SPACE.ordinal()
? NumberUtil.formatNumber((server.getFreeDiskSpace() / 1024))
: columnIndex == GLUSTER_SERVER_TABLE_COLUMN_INDICES.IP_ADDRESSES.ordinal()
? server.getIpAddressesAsString()
: columnIndex
== GLUSTER_SERVER_TABLE_COLUMN_INDICES.TOTAL_DISK_SPACE
.ordinal()
? NumberUtil.formatNumber((server.getTotalDiskSpace() / 1024))
: "Invalid");
}
}
/** Login dialog, which prompts for the user's account info, and has Login and Cancel buttons. */
public class LoginDialog extends Dialog {
public static final int RETURN_CODE_ERROR = 2;
private Text userIdText = null;
private Text passwordText = null;
private Button okButton;
private final ConnectionDetails connectionDetails = new ConnectionDetails("gluster", "");
private final GUIHelper guiHelper = GUIHelper.getInstance();
private Composite composite;
public LoginDialog(Shell parentShell) {
super(parentShell);
}
@Override
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
newShell.setText("Gluster Management Console");
addEscapeListener(newShell);
}
private void addEscapeListener(Shell shell) {
shell.addTraverseListener(
new TraverseListener() {
@Override
public void keyTraversed(TraverseEvent e) {
if (e.keyCode == SWT.ESC) {
cancelPressed();
}
}
});
}
private void createUserIdLabel(Composite composite) {
Label userIdLabel = new Label(composite, SWT.NONE);
userIdLabel.setText("&User ID:");
userIdLabel.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));
}
private void createUserIdText(Composite composite) {
userIdText = new Text(composite, SWT.BORDER);
userIdText.setText("gluster");
userIdText.setEnabled(false);
GridData layoutData = new GridData(convertWidthInCharsToPixels(32), 15);
userIdText.setLayoutData(layoutData);
}
private void createPasswordLabel(Composite composite) {
Label passwordLabel = new Label(composite, SWT.NONE);
passwordLabel.setText("&Password:"******"&Cancel", false);
cancelButton.setLayoutData(layoutData);
layoutData = new GridData();
layoutData.widthHint = 70;
layoutData.horizontalAlignment = SWT.LEFT;
layoutData.grabExcessHorizontalSpace = true;
okButton = createButton(parent, IDialogConstants.OK_ID, "&Login", true);
okButton.setLayoutData(layoutData);
setupDataBinding();
}
private void setupAutoLoginIfRequired() {
final String password = System.getProperty(ConsoleConstants.PROPERTY_AUTO_LOGIN_PASSWORD, null);
if (password == null) {
return;
}
getShell()
.addShellListener(
new ShellAdapter() {
@Override
public void shellActivated(ShellEvent e) {
super.shellActivated(e);
if (passwordText.getText().isEmpty()) {
// Check whether the password has been passed as system parameter. This can be
// used for avoiding
// human intervention on login dialog while running SWTBot automated tests.
passwordText.setText(password);
okPressed();
}
}
});
}
/**
* Sets up data binding between the text fields and the connection details object. Also attaches a
* "string required" validator to the "password" text field. This validator is configured to do
* the following on validation failure<br>
* <li>show an ERROR decorator
* <li>disable the "Login" button
*/
private void setupDataBinding() {
DataBindingContext dataBindingContext =
new DataBindingContext(SWTObservables.getRealm(Display.getCurrent()));
UpdateValueStrategy passwordBindingStrategy =
new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE);
// The Validator shows error decoration and disables OK button on
// validation failure
passwordBindingStrategy.setBeforeSetValidator(
new StringRequiredValidator(
"Please enter password!", guiHelper.createErrorDecoration(passwordText), okButton));
dataBindingContext.bindValue(
WidgetProperties.text(SWT.Modify).observe(passwordText),
PojoProperties.value("password").observe(connectionDetails),
passwordBindingStrategy,
passwordBindingStrategy);
UpdateValueStrategy userIdBindingStrategy =
new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE);
dataBindingContext.bindValue(
WidgetProperties.text(SWT.Modify).observe(userIdText),
PojoProperties.value("userId").observe(connectionDetails),
userIdBindingStrategy,
userIdBindingStrategy);
}
protected void okPressed() {
String user = connectionDetails.getUserId();
String password = connectionDetails.getPassword();
UsersClient usersClient = new UsersClient();
try {
usersClient.authenticate(user, password);
} catch (Exception e) {
MessageDialog.openError(getShell(), "Authentication Failed", e.getMessage());
setReturnCode(RETURN_CODE_ERROR);
return;
}
// authentication successful. close the login dialog and open the next one.
close();
IPreferenceStore preferenceStore = Activator.getDefault().getPreferenceStore();
boolean showClusterSelectionDialog =
preferenceStore.getBoolean(PreferenceConstants.P_SHOW_CLUSTER_SELECTION_DIALOG);
// If the password is default, Let user to change the password
if (password.equalsIgnoreCase(CoreConstants.DEFAULT_PASSWORD)) {
ChangePasswordDialog dialog = new ChangePasswordDialog(getShell());
if (dialog.open() == Dialog.CANCEL) {
MessageDialog.openError(
getShell(),
"Change password Cancelled",
"Password must be changed on first login!"
+ CoreConstants.NEWLINE
+ "Application will close.");
cancelPressed();
return;
}
// after first login, cluster selection dialog must be shown.
showClusterSelectionDialog = true;
}
ClustersClient clustersClient = new ClustersClient();
CLUSTER_MODE mode;
String clusterName = null;
if (!showClusterSelectionDialog) {
clusterName = preferenceStore.getString(PreferenceConstants.P_DEFAULT_CLUSTER_NAME);
if (clusterName == null || clusterName.isEmpty()) {
// Cluster name not available in preferences. Hence we must show the cluster selection
// dialog.
showClusterSelectionDialog = true;
} else {
mode = CLUSTER_MODE.SELECT;
}
}
String serverName = null;
if (showClusterSelectionDialog) {
ClusterSelectionDialog clusterDialog =
new ClusterSelectionDialog(getParentShell(), clustersClient.getClusterNames());
int userAction = clusterDialog.open();
if (userAction == Window.CANCEL) {
MessageDialog.openError(
getShell(),
"Login Cancelled",
"User cancelled login at cluster selection. Application will close!");
cancelPressed();
return;
}
mode = clusterDialog.getClusterMode();
clusterName = clusterDialog.getClusterName();
serverName = clusterDialog.getServerName();
} else {
mode = CLUSTER_MODE.SELECT;
}
try {
createOrRegisterCluster(clustersClient, clusterName, serverName, mode);
final String clusterName1 = clusterName;
new ProgressMonitorDialog(getShell())
.run(
true,
false,
new IRunnableWithProgress() {
@Override
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
GlusterDataModelManager.getInstance().initializeModel(clusterName1, monitor);
}
});
super.okPressed();
} catch (Exception e) {
String errMsg;
if (e instanceof InvocationTargetException) {
errMsg = ((InvocationTargetException) e).getTargetException().getMessage();
} else {
errMsg = e.getMessage();
}
setReturnCode(RETURN_CODE_ERROR);
MessageDialog.openError(getShell(), "Gluster Management Console", errMsg);
}
}
public void createOrRegisterCluster(
ClustersClient clustersClient, String clusterName, String serverName, CLUSTER_MODE mode) {
switch (mode) {
case SELECT:
return;
case CREATE:
clustersClient.createCluster(clusterName);
break;
case REGISTER:
clustersClient.registerCluster(clusterName, serverName);
break;
}
}
}