private void checkPage() {
try {
upstreamConfigComponent.setUpstreamConfig(upstreamConfig);
boolean showUpstreamConfig =
sourceRefName.startsWith(Constants.R_HEADS)
|| sourceRefName.startsWith(Constants.R_REMOTES);
Composite container = upstreamConfigComponent.getContainer();
GridData gd = (GridData) container.getLayoutData();
if (gd.exclude == showUpstreamConfig) {
gd.exclude = !showUpstreamConfig;
container.setVisible(showUpstreamConfig);
container.getParent().layout(true);
ensurePreferredHeight(getShell());
}
boolean basedOnLocalBranch = sourceRefName.startsWith(Constants.R_HEADS);
if (basedOnLocalBranch && upstreamConfig != UpstreamConfig.NONE)
setMessage(UIText.CreateBranchPage_LocalBranchWarningMessage, IMessageProvider.INFORMATION);
if (sourceRefName.length() == 0) {
setErrorMessage(UIText.CreateBranchPage_MissingSourceMessage);
return;
}
String message = this.myValidator.isValid(nameText.getText());
if (message != null) {
setErrorMessage(message);
return;
}
setErrorMessage(null);
} finally {
setPageComplete(getErrorMessage() == null && nameText.getText().length() > 0);
}
}
