package org.apache.myfaces.tobago.renderkit.html;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.myfaces.tobago.TobagoConstants;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_ACTION_LINK;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_ACTION_ONCLICK;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_DEFAULT_COMMAND;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_DISABLED;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_POPUP_CLOSE;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_RESOURCE;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_TARGET;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_TRANSITION;
import static org.apache.myfaces.tobago.TobagoConstants.FACET_CONFIRMATION;
import static org.apache.myfaces.tobago.TobagoConstants.FACET_POPUP;
import org.apache.myfaces.tobago.component.ComponentUtil;
import org.apache.myfaces.tobago.component.UIPopup;
import org.apache.myfaces.tobago.context.ClientProperties;
import org.apache.myfaces.tobago.context.ResourceManagerUtil;
import org.apache.myfaces.tobago.event.PopupActionListener;
import javax.faces.application.Application;
import javax.faces.application.ViewHandler;
import javax.faces.component.UICommand;
import javax.faces.component.UIComponent;
import javax.faces.component.UIParameter;
import javax.faces.component.ValueHolder;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import java.net.URLDecoder;
import java.util.Arrays;
import java.util.List;
public class CommandRendererHelper {
private static final Log LOG = LogFactory.getLog(CommandRendererHelper.class);
private String onclick;
private boolean disabled;
private String href;
private String target;
public CommandRendererHelper(FacesContext facesContext, UICommand component) {
initOnclick(facesContext, component, null);
}
public CommandRendererHelper(FacesContext facesContext, UICommand component, Tag tag) {
initOnclick(facesContext, component, tag);
}
private void initOnclick(FacesContext facesContext, UICommand command, Tag tag) {
disabled = ComponentUtil.getBooleanAttribute(command, ATTR_DISABLED);
href = getEmptyHref(facesContext);
if (disabled) {
onclick = "";
href = "";
} else {
UIPopup popup = (UIPopup) command.getFacet(FACET_POPUP);
if (popup != null) {
if (!ComponentUtil.containsPopupActionListener(command)) {
command.addActionListener(new PopupActionListener(popup));
}
}
String clientId = command.getClientId(facesContext);
boolean defaultCommand = ComponentUtil.getBooleanAttribute(command, ATTR_DEFAULT_COMMAND);
boolean transition = ComponentUtil.getBooleanAttribute(command, ATTR_TRANSITION);
if (command.getAttributes().get(ATTR_ACTION_LINK) != null
|| command.getAttributes().get(ATTR_RESOURCE) != null) {
String url = generateUrl(facesContext, command);
if (tag == Tag.ANCHOR) {
onclick = null;
href = url;
target = ComponentUtil.getStringAttribute(command, ATTR_TARGET);
} else {
onclick = "Tobago.navigateToUrl('" + url + "');";
}
} else if (command.getAttributes().get(ATTR_ACTION_ONCLICK) != null) {
onclick = prepareOnClick(facesContext, command);
} else if (command instanceof org.apache.myfaces.tobago.component.UICommand
&& ((org.apache.myfaces.tobago.component.UICommand) command).getRenderedPartially().length > 0) {
String[] componentId = ((org.apache.myfaces.tobago.component.UICommand) command).getRenderedPartially();
if (componentId != null && componentId.length == 1) {
// TODO find a better way
boolean popupAction = ComponentUtil.containsPopupActionListener(command);
if (popupAction) {
onclick = "Tobago.openPopupWithAction2(this, '"
+ HtmlRendererUtil.getComponentId(facesContext, command, componentId[0])
+ "', '" + clientId + "', null)";
} else {
onclick = "Tobago.reloadComponent2(this, '"
+ HtmlRendererUtil.getComponentId(facesContext, command, componentId[0])
+ "','" + clientId + "', {});";
}
} else {
LOG.error("more than one parially rendered component is currently not supported "
+ Arrays.toString(componentId));
onclick = "Tobago.submitAction2(this, '" + clientId + "', " + transition + ", null);";
}
} else if (defaultCommand) {
ComponentUtil.findPage(facesContext, command).setDefaultActionId(clientId);
onclick = null;
} else {
String target = ComponentUtil.getStringAttribute(command, ATTR_TARGET);
if (target == null) {
onclick = "Tobago.submitAction2(this, '" + clientId + "', " + transition + ", null);";
} else {
onclick = "Tobago.submitAction2(this, '" + clientId + "', " + transition + ", '" + target + "');";
}
}
if (command.getAttributes().get(ATTR_POPUP_CLOSE) != null
&& ComponentUtil.isInPopup(command)) {
String value = (String) command.getAttributes().get(ATTR_POPUP_CLOSE);
if (value.equals("immediate")) {
onclick = "Tobago.closePopup(this);";
} else if (value.equals("afterSubmit")
&& command instanceof org.apache.myfaces.tobago.component.UICommand
&& ((org.apache.myfaces.tobago.component.UICommand) command).getRenderedPartially().length > 0) {
onclick += "Tobago.closePopup(this);";
}
}
onclick = appendConfirmationScript(onclick, command);
}
}
private String getEmptyHref(FacesContext facesContext) {
ClientProperties clientProperties = ClientProperties.getInstance(facesContext);
return clientProperties.getUserAgent().isMsie() ? "#" : "javascript:;";
}
private String prepareOnClick(FacesContext facesContext, UIComponent component) {
String onclick;
onclick = (String) component.getAttributes().get(ATTR_ACTION_ONCLICK);
if (onclick.contains("@autoId")) {
onclick = StringUtils.replace(onclick, "@autoId", component.getClientId(facesContext));
}
return onclick;
}
private String appendConfirmationScript(String onclick, UIComponent component) {
ValueHolder confirmation = (ValueHolder) component.getFacet(FACET_CONFIRMATION);
if (confirmation != null) {
StringBuilder script = new StringBuilder();
script.append("return confirm('");
script.append(confirmation.getValue());
script.append("')");
if (onclick != null) {
script.append(" && ");
script.append(onclick);
}
onclick = script.toString();
}
return onclick;
}
private String generateUrl(FacesContext facesContext, UIComponent component) {
String url;
Application application = facesContext.getApplication();
ViewHandler viewHandler = application.getViewHandler();
ExternalContext externalContext = facesContext.getExternalContext();
if (component.getAttributes().get(ATTR_RESOURCE) != null) {
String resource = (String) component.getAttributes().get(ATTR_RESOURCE);
boolean jsfResource = ComponentUtil.getBooleanAttribute(component, TobagoConstants.ATTR_JSF_RESOURCE);
url = ResourceManagerUtil.getPageWithoutContextPath(facesContext, resource);
if (url != null) {
if (jsfResource) {
url = viewHandler.getActionURL(facesContext, url);
url = externalContext.encodeActionURL(url);
} else {
url = viewHandler.getResourceURL(facesContext, url);
url = externalContext.encodeResourceURL(url);
}
} else {
url = "";
}
} else if (component.getAttributes().get(ATTR_ACTION_LINK) != null) {
String link = (String) component.getAttributes().get(ATTR_ACTION_LINK);
if (link.startsWith("/")) { // internal absolute link
url = viewHandler.getActionURL(facesContext, link);
url = externalContext.encodeActionURL(url);
} else if (link.contains(":")) { // external link
url = link;
} else { // internal relative link
url = externalContext.encodeResourceURL(link);
}
StringBuilder builder = new StringBuilder(url);
boolean firstParameter = !url.contains("?");
for (UIComponent child : (List<UIComponent>) component.getChildren()) {
if (child instanceof UIParameter) {
UIParameter parameter = (UIParameter) child;
if (firstParameter) {
builder.append("?");
firstParameter = false;
} else {
builder.append("&");
}
builder.append(parameter.getName());
builder.append("=");
Object value = parameter.getValue();
// TODO encoding
builder.append(value != null ? URLDecoder.decode(value.toString()) : null);
}
}
url = builder.toString();
} else {
throw new AssertionError("Needed " + ATTR_ACTION_LINK + " or " + ATTR_RESOURCE);
}
return url;
}
public String getOnclick() {
return onclick;
}
public String getOnclickDoubleQuoted() {
return onclick.replace('\'', '\"');
}
public boolean isDisabled() {
return disabled;
}
public String getHref() {
return href;
}
public String getTarget() {
return target;
}
public static enum Tag {
ANCHOR, BUTTON
}
}