Examples with WebTemplate org.knime.core.node.web.WebTemplate used on opensource projects

Example 1 with WebTemplate

use of org.knime.core.node.web.WebTemplate in project knime-core by knime.

the class AbstractPageManager method createWizardPageInternal.

/**
 * Performs a transformation from {@link WizardPageContent} to {@link JSONWebNodePage} which can be used for serialization.
 * @param page the {@link WizardPageContent} to transform
 * @return the transformed {@link JSONWebNodePage}
 * @throws IOException if layout of page can not be generated
 */
protected JSONWebNodePage createWizardPageInternal(final WizardPageContent page) throws IOException {
    // process layout
    JSONLayoutPage layout = new JSONLayoutPage();
    try {
        String lString = page.getLayoutInfo();
        if (StringUtils.isNotEmpty(lString)) {
            layout = getJSONLayoutFromSubnode(page.getPageNodeID(), page.getLayoutInfo());
        }
    } catch (IOException e) {
        throw new IOException("Layout for page could not be generated: " + e.getMessage(), e);
    }
    // process selection translators
    List<JSONSelectionTranslator> selectionTranslators = new ArrayList<JSONSelectionTranslator>();
    if (page.getHiLiteTranslators() != null) {
        for (HiLiteTranslator hiLiteTranslator : page.getHiLiteTranslators()) {
            if (hiLiteTranslator != null) {
                selectionTranslators.add(new JSONSelectionTranslator(hiLiteTranslator));
            }
        }
    }
    if (page.getHiliteManagers() != null) {
        for (HiLiteManager hiLiteManager : page.getHiliteManagers()) {
            if (hiLiteManager != null) {
                selectionTranslators.add(new JSONSelectionTranslator(hiLiteManager));
            }
        }
    }
    if (selectionTranslators.size() < 1) {
        selectionTranslators = null;
    }
    JSONWebNodePageConfiguration pageConfig = new JSONWebNodePageConfiguration(layout, null, selectionTranslators);
    Map<String, JSONWebNode> nodes = new HashMap<String, JSONWebNode>();
    for (Map.Entry<NodeIDSuffix, WizardPageNodeInfo> e : page.getInfoMap().entrySet()) {
        WizardPageNodeInfo pInfo = e.getValue();
        JSONWebNode jsonNode = new JSONWebNode();
        JSONWebNodeInfo info = new JSONWebNodeInfo();
        info.setNodeName(pInfo.getNodeName());
        info.setNodeAnnotation(pInfo.getNodeAnnotation());
        NodeContainerState state = pInfo.getNodeState();
        if (state.isIdle()) {
            info.setNodeState(JSONNodeState.IDLE);
        }
        if (state.isConfigured()) {
            info.setNodeState(JSONNodeState.CONFIGURED);
        }
        if (state.isExecutionInProgress() || state.isExecutingRemotely()) {
            info.setNodeState(JSONNodeState.EXECUTING);
        }
        if (state.isExecuted()) {
            info.setNodeState(JSONNodeState.EXECUTED);
        }
        NodeMessage message = pInfo.getNodeMessage();
        if (org.knime.core.node.workflow.NodeMessage.Type.ERROR.equals(message.getMessageType())) {
            info.setNodeErrorMessage(message.getMessage());
        }
        if (org.knime.core.node.workflow.NodeMessage.Type.WARNING.equals(message.getMessageType())) {
            info.setNodeWarnMessage(message.getMessage());
        }
        WizardNode<?, ?> wizardNode = page.getPageMap().get(e.getKey());
        if (wizardNode == null) {
            info.setDisplayPossible(false);
        } else {
            info.setDisplayPossible(true);
            WebTemplate template = WebResourceController.getWebTemplateFromJSObjectID(wizardNode.getJavascriptObjectID());
            List<String> jsList = new ArrayList<String>();
            List<String> cssList = new ArrayList<String>();
            for (WebResourceLocator locator : template.getWebResources()) {
                if (locator.getType() == WebResourceType.JAVASCRIPT) {
                    jsList.add(locator.getRelativePathTarget());
                } else if (locator.getType() == WebResourceType.CSS) {
                    cssList.add(locator.getRelativePathTarget());
                }
            }
            jsonNode.setJavascriptLibraries(jsList);
            jsonNode.setStylesheets(cssList);
            jsonNode.setNamespace(template.getNamespace());
            jsonNode.setInitMethodName(template.getInitMethodName());
            jsonNode.setValidateMethodName(template.getValidateMethodName());
            jsonNode.setSetValidationErrorMethodName(template.getSetValidationErrorMethodName());
            jsonNode.setGetViewValueMethodName(template.getPullViewContentMethodName());
            jsonNode.setViewRepresentation((JSONViewContent) wizardNode.getViewRepresentation());
            jsonNode.setViewValue((JSONViewContent) wizardNode.getViewValue());
        }
        jsonNode.setNodeInfo(info);
        nodes.put(e.getKey().toString(), jsonNode);
    }
    return new JSONWebNodePage(pageConfig, nodes);
}

Example 2 with WebTemplate

use of org.knime.core.node.web.WebTemplate in project knime-core by knime.

the class WizardNodeView method retrieveCurrentValueFromView.

/**
 * {@inheritDoc}
 */
@Override
protected String retrieveCurrentValueFromView() {
    WizardViewCreator<REP, VAL> creator = getViewCreator();
    WebTemplate template = creator.getWebTemplate();
    String pullMethod = template.getPullViewContentMethodName();
    String ns = creator.getNamespacePrefix();
    String jsonString = null;
    if (ns != null && !ns.isEmpty() && pullMethod != null && !pullMethod.isEmpty()) {
        String evalCode = creator.wrapInTryCatch("if (typeof " + ns.substring(0, ns.length() - 1) + " != 'undefined') { return JSON.stringify(" + ns + pullMethod + "());}");
        jsonString = (String) m_browser.evaluate(evalCode);
    }
    return jsonString;
}

Example 3 with WebTemplate

use of org.knime.core.node.web.WebTemplate in project knime-core by knime.

the class WizardNodeView method validateCurrentValueInView.

/**
 * {@inheritDoc}
 */
@Override
protected boolean validateCurrentValueInView() {
    boolean valid = true;
    WizardViewCreator<REP, VAL> creator = getViewCreator();
    WebTemplate template = creator.getWebTemplate();
    String validateMethod = template.getValidateMethodName();
    if (validateMethod != null && !validateMethod.isEmpty()) {
        String evalCode = creator.wrapInTryCatch("return JSON.stringify(" + creator.getNamespacePrefix() + validateMethod + "());");
        String jsonString = (String) m_browser.evaluate(evalCode);
        valid = Boolean.parseBoolean(jsonString);
    }
    return valid;
}

Example 4 with WebTemplate

use of org.knime.core.node.web.WebTemplate in project knime-core by knime.

the class WizardNodeView method showValidationErrorInView.

/**
 * {@inheritDoc}
 */
@Override
protected void showValidationErrorInView(final String error) {
    WizardViewCreator<REP, VAL> creator = getViewCreator();
    WebTemplate template = creator.getWebTemplate();
    String showErrorMethod = template.getSetValidationErrorMethodName();
    String escapedError = error.replace("\\", "\\\\").replace("'", "\\'").replace("\n", " ");
    String showErrorCall = creator.wrapInTryCatch(creator.getNamespacePrefix() + showErrorMethod + "('" + escapedError + "');");
    m_browser.execute(showErrorCall);
}