Examples with ChooseWorkspaceData org.eclipse.ui.internal.ide.ChooseWorkspaceData used on opensource projects

Example 1 with ChooseWorkspaceData

use of org.eclipse.ui.internal.ide.ChooseWorkspaceData in project knime-core by knime.

the class KNIMEApplication method checkInstanceLocation.

/**
 * Return true if a valid workspace path has been set and false otherwise.
 * Prompt for and set the path if possible and required.
 *
 * @return true if a valid instance location has been set and false
 *         otherwise
 */
private boolean checkInstanceLocation() {
    // -data @none was specified but an ide requires workspace
    Location instanceLoc = Platform.getInstanceLocation();
    if (instanceLoc == null) {
        MessageDialog.openError(null, IDEWorkbenchMessages.IDEApplication_workspaceMandatoryTitle, IDEWorkbenchMessages.IDEApplication_workspaceMandatoryMessage);
        return false;
    }
    // -data "/valid/path", workspace already set
    if (instanceLoc.isSet()) {
        // chosen to overwrite it).
        if (!checkValidWorkspace(instanceLoc.getURL())) {
            return false;
        }
        // metadata version information if successful
        try {
            if (instanceLoc.lock()) {
                writeWorkspaceVersion();
                return true;
            }
            // we failed to create the directory.
            // Two possibilities:
            // 1. directory is already in use
            // 2. directory could not be created
            File workspaceDirectory = new File(instanceLoc.getURL().getFile());
            if (workspaceDirectory.exists()) {
                MessageDialog.openError(null, IDEWorkbenchMessages.IDEApplication_workspaceCannotLockTitle, NLS.bind(IDEWorkbenchMessages.IDEApplication_workspaceCannotLockMessage, workspaceDirectory.getAbsolutePath()));
            } else {
                MessageDialog.openError(null, IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetTitle, IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetMessage);
            }
        } catch (IOException e) {
            MessageDialog.openError(null, IDEWorkbenchMessages.InternalError, e.getMessage());
        }
        return false;
    }
    URL defaultLocation = instanceLoc.getDefault();
    if (Platform.OS_MACOSX.equals(Platform.getOS())) {
        if (defaultLocation.getPath().contains("/Knime.app/")) {
            URL url = Platform.getInstallLocation().getURL();
            try {
                defaultLocation = new URL(url.getProtocol(), url.getHost(), url.getPath() + "/workspace");
            } catch (MalformedURLException ex) {
            // should not happen
            }
        }
    }
    // -data @noDefault or -data not specified, prompt and set
    ChooseWorkspaceData launchData = new ChooseWorkspaceData(defaultLocation);
    boolean force = false;
    while (true) {
        URL workspaceUrl = promptForWorkspace(launchData, force);
        if (workspaceUrl == null) {
            return false;
        }
        // if there is an error with the first selection, then force the
        // dialog to open to give the user a chance to correct
        force = true;
        try {
            // instance data area, so other checking is unneeded
            if (instanceLoc.set(workspaceUrl, true)) {
                launchData.writePersistedData();
                writeWorkspaceVersion();
                return true;
            }
            // by this point it has been determined that the workspace is
            // already in use -- force the user to choose again
            MessageDialog.openError(null, IDEWorkbenchMessages.IDEApplication_workspaceInUseTitle, NLS.bind(IDEWorkbenchMessages.IDEApplication_workspaceInUseMessage, workspaceUrl.getPath()));
        } catch (Exception e) {
            MessageDialog.openError(null, IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetTitle, IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetMessage);
        }
    }
}