Examples with WizardNodeView org.knime.workbench.editor2.WizardNodeView used on opensource projects

Example 1 with WizardNodeView

use of org.knime.workbench.editor2.WizardNodeView in project knime-core by knime.

the class OpenInteractiveWebViewAction method getConfiguredWizardNodeView.

@SuppressWarnings({ "rawtypes", "unchecked" })
static AbstractWizardNodeView getConfiguredWizardNodeView(final ViewableModel model) {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IConfigurationElement[] configurationElements = registry.getConfigurationElementsFor("org.knime.core.WizardNodeView");
    Class<?> viewClass = null;
    String classString = JSCorePlugin.getDefault().getPreferenceStore().getString(JSCorePlugin.P_VIEW_BROWSER);
    if (StringUtils.isNotEmpty(classString)) {
        // try loading selected view
        viewClass = getViewClassByReflection(classString, configurationElements);
        if (viewClass == null) {
            LOGGER.error("JS view set in preferences (" + classString + ") can't be loaded. Switching to default.");
        }
    }
    if (viewClass == null) {
        // try loading defaults
        viewClass = getViewClassByReflection(CHROMIUM_BROWSER, configurationElements);
        if (viewClass == null) {
            viewClass = getViewClassByReflection(CHROME_BROWSER, configurationElements);
            try {
                Method isChromePresentM = viewClass.getMethod("isChromePresent");
                boolean isChromePresent = (boolean) isChromePresentM.invoke(null);
                if (!isChromePresent) {
                    // no Chrome found on system, defaulting to SWT browser
                    viewClass = null;
                }
            } catch (Exception e) {
            /* do nothing */
            }
        }
    }
    if (viewClass != null) {
        try {
            Method isEnabledM = viewClass.getMethod("isEnabled");
            boolean isEnabled = (boolean) isEnabledM.invoke(null);
            if (!isEnabled) {
                LOGGER.error("JS view (" + classString + ") is not available. Falling back to internal SWT browser.");
                viewClass = null;
            }
        } catch (Exception e) {
        /*do nothing */
        }
    }
    if (viewClass != null) {
        try {
            Constructor<?> constructor = viewClass.getConstructor(ViewableModel.class);
            return (AbstractWizardNodeView) constructor.newInstance(model);
        } catch (Exception e) {
            LOGGER.error("JS view can not be initialized. Falling back to internal SWT browser.");
        }
    }
    return new WizardNodeView(model);
}