package org.richfaces.renderkit.html;
import javax.faces.application.ResourceDependencies;
import javax.faces.application.ResourceDependency;
import javax.faces.component.UIComponent;
import javax.faces.component.UIForm;
import javax.faces.context.FacesContext;
import org.richfaces.component.AbstractMenuContainer;
import org.richfaces.component.AbstractMenuGroup;
import org.richfaces.component.AbstractMenuItem;
import org.richfaces.component.Mode;
import org.richfaces.renderkit.AjaxCommandRendererBase;
import org.richfaces.renderkit.util.HandlersChain;
@ResourceDependencies(@ResourceDependency(library = "org.richfaces", name = "dropdownmenu.ecss", target = "head"))
public class MenuItemRendererBase extends AjaxCommandRendererBase {
public static final String RENDERER_TYPE = "org.richfaces.MenuItemRenderer";
protected boolean isDisabled(FacesContext facesContext, UIComponent component) {
if (component instanceof AbstractMenuItem) {
return ((AbstractMenuItem) component).isDisabled();
}
return false;
}
protected UIComponent getIconFacet(FacesContext facesContext, UIComponent component) {
UIComponent facet = null;
AbstractMenuItem menuItem = (AbstractMenuItem) component;
if (menuItem != null) {
if (menuItem.isDisabled()) {
facet = menuItem.getFacet(AbstractMenuItem.Facets.iconDisabled.toString());
} else {
facet = menuItem.getFacet(AbstractMenuItem.Facets.icon.toString());
}
}
return facet;
}
protected String getIconAttribute(FacesContext facesContext, UIComponent component) {
String icon = null;
AbstractMenuItem menuItem = (AbstractMenuItem) component;
if (menuItem != null) {
if (menuItem.isDisabled()) {
icon = menuItem.getIconDisabled();
} else {
icon = menuItem.getIcon();
}
}
return icon;
}
@Override
public void doDecode(FacesContext context, UIComponent component) {
AbstractMenuItem menuItem = (AbstractMenuItem) component;
if (menuItem != null) {
Mode mode = resolveSubmitMode(menuItem);
if (!Mode.client.equals(mode)) {
super.doDecode(context, component);
}
}
}
private UIComponent getUIForm(UIComponent component) {
if (component != null) {
UIComponent parent = component.getParent();
while (parent != null) {
if (parent instanceof UIForm) {
return parent;
}
parent = parent.getParent();
}
}
return null;
}
/**
* overridden due to {@link https://issues.jboss.org/browse/RF-10695}
*
* @param context
* @param component
*/
@Override
public String getOnClick(FacesContext context, UIComponent component) {
AbstractMenuItem menuItem = (AbstractMenuItem) component;
Mode submitMode = resolveSubmitMode(menuItem);
StringBuffer onClick = new StringBuffer();
if (!getUtils().isBooleanAttribute(component, "disabled")) {
HandlersChain handlersChain = new HandlersChain(context, component);
handlersChain.addInlineHandlerFromAttribute("onclick");
handlersChain.addBehaviors("click", "action");
switch (submitMode) {
case ajax:
handlersChain.addAjaxSubmitFunction();
break;
case server:
handlersChain.addInlineHandlerAsValue("RichFaces.submitForm(event.form, event.itemId)");
}
String handlerScript = handlersChain.toScript();
if (handlerScript != null) {
onClick.append(handlerScript);
}
if (!"reset".equals(component.getAttributes().get("type"))) {
onClick.append(";return false;");
}
} else {
onClick.append("return false;");
}
return onClick.toString();
}
protected Mode resolveSubmitMode(AbstractMenuItem menuItem) {
if (menuItem.getMode() != null) {
return menuItem.getMode();
}
AbstractMenuContainer parent = getMenuParent(menuItem);
if (parent != null && parent.getMode() != null) {
return parent.getMode();
}
return Mode.server;
}
protected String getStyleClass(FacesContext facesContext, UIComponent component, String menuParentStyle,
String menuGroupStyle, String menuItemStyle) {
UIComponent parent = getMenuParent(component);
UIComponent menuGroup = getMenuGroup(component);
Object styleClass = null;
if (parent != null && menuParentStyle != null && menuParentStyle.length() > 0) {
styleClass = parent.getAttributes().get(menuParentStyle);
}
if (menuGroup != null && menuGroupStyle != null && menuGroupStyle.length() > 0) {
styleClass = concatClasses(styleClass, menuGroup.getAttributes().get(menuGroupStyle));
}
return concatClasses(styleClass, component.getAttributes().get(menuItemStyle));
}
/**
* Finds a parent of given UI <code>component</code>.
*
* @param component <code>UIComponent</code>
* @param parentClass <code>Class</code> of desired parent
* @return <code>UIComponent</code>
*/
private UIComponent getParent(UIComponent component, Class<?> parentClass) {
if (component != null && parentClass != null) {
UIComponent parent = component.getParent();
while (parent != null) {
if (parentClass.isInstance(parent)) {
return parent;
}
parent = parent.getParent();
}
}
return null;
}
/**
* Returns a parent <code>AbstractDropDownMenu</code> object of the given component.
*
* @param component
* @return <code>AbstractDropDownMenu</code>
*/
protected AbstractMenuContainer getMenuParent(UIComponent component) {
return (AbstractMenuContainer) getParent(component, AbstractMenuContainer.class);
}
/**
* Returns a parent <code>AbstractMenuGroup</code> object of the given component.
*
* @param component
* @return <code>AbstractMenuGroup</code>
*/
protected AbstractMenuGroup getMenuGroup(UIComponent component) {
return (AbstractMenuGroup) getParent(component, AbstractMenuGroup.class);
}
/**
* It is introduced due to RF-10004 CDK: isEmpty method is generated incorrectly
*
* @param str
*/
protected boolean isStringEmpty(String str) {
if (str != null && str.trim().length() > 0) {
return false;
}
return true;
}
public String getSubmitMode(UIComponent component) {
return this.resolveSubmitMode((AbstractMenuItem) component).name();
}
}