/**
* License Agreement.
*
* JBoss RichFaces - Ajax4jsf Component Library
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.richfaces.renderkit.html;
import org.ajax4jsf.renderkit.AjaxRendererUtils;
import org.ajax4jsf.renderkit.ComponentVariables;
import org.ajax4jsf.renderkit.ComponentsVariableResolver;
import org.richfaces.component.MenuComponent;
import org.richfaces.component.UIMenuItem;
import org.richfaces.component.util.ViewUtil;
import org.richfaces.renderkit.CompositeRenderer;
import javax.faces.component.UIComponent;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
import javax.faces.event.PhaseId;
import java.io.IOException;
import java.util.Map;
public class MenuItemRendererBase extends CompositeRenderer {
protected Class getComponentClass() {
return UIMenuItem.class;
}
public boolean getRendersChildren() {
return true;
}
public void doDecode(FacesContext context, UIComponent component) {
super.doDecode(context, component);
ExternalContext exCtx = context.getExternalContext();
Map rqMap = exCtx.getRequestParameterMap();
Object clnId = rqMap.get(component.getClientId(context));
if (clnId == null) {
clnId = rqMap.get(component.getClientId(context) + ":hidden");
}
UIMenuItem menuItem = (UIMenuItem) component;
if (clnId != null) {
// enqueue event here for this component or for component with Id
// taken from forId attribute
String mode = menuItem.getSubmitMode();
if (!MenuComponent.MODE_NONE.equalsIgnoreCase(mode)) {
ActionEvent actionEvent = new ActionEvent(menuItem);
if (menuItem.isImmediate()) {
actionEvent.setPhaseId(PhaseId.APPLY_REQUEST_VALUES);
} else {
actionEvent.setPhaseId(PhaseId.INVOKE_APPLICATION);
}
menuItem.queueEvent(actionEvent);
}
}
}
public void initializeResources(FacesContext context, UIMenuItem menuItem)
throws IOException {
ComponentVariables variables =
ComponentsVariableResolver.getVariables(this, menuItem);
String resource = menuItem.isDisabled()
? ViewUtil.getResourceURL(menuItem.getIconDisabled())
: ViewUtil.getResourceURL(menuItem.getIcon());
if (resource == null || (resource.length() == 0)) {
resource = getResource("images/spacer.gif").getUri(
context, menuItem);
}
variables.setVariable("icon", resource);
if (menuItem.isDisabled()) {
variables.setVariable("iconDisabledClasses",
"dr-menu-icon-disabled rich-menu-item-icon-disabled");
variables.setVariable("menuItemLabelClass", "rich-menu-item-label rich-menu-item-label-disabled");
} else {
variables.setVariable("onmouseoutInlineStyles",
processInlineStyles(context, menuItem, false));
variables.setVariable("onmouseoverInlineStyles",
processInlineStyles(context, menuItem, true));
StringBuffer scriptValue = new StringBuffer();
String mode = resolveSubmitMode(menuItem);
if (mode.equalsIgnoreCase(MenuComponent.MODE_AJAX)) {
scriptValue.append(AjaxRendererUtils.buildOnClick(
menuItem, context).toString());
} else if (mode.equalsIgnoreCase(MenuComponent.MODE_SERVER)) {
String id = menuItem.getClientId(context);
scriptValue.append('{');
scriptValue.append("var form = A4J.findForm(this);");
scriptValue.append("var params = new Object();");
scriptValue.append("params['");
scriptValue.append(id + ":hidden");
scriptValue.append("'] = '");
scriptValue.append(id);
scriptValue.append("';");
scriptValue.append("Richfaces.jsFormSubmit('");
scriptValue.append(id);
scriptValue.append("', ");
scriptValue.append("form.id, ");
Object target = menuItem.getAttributes().get("target");
if (null != target) {
scriptValue.append("'"+(String) target+"', ");
} else {
scriptValue.append("'', ");
}
scriptValue.append("params);}; return false;");
} else {
scriptValue.append(
getStringAttributeOrEmptyString(menuItem, "onclick"));
}
if (resource.length() > 0) {
variables.setVariable("onclick", scriptValue.toString());
}
variables.setVariable("menuItemLabelClass", "rich-menu-item-label");
}
}
protected String getStringAttributeOrEmptyString(UIComponent component,
String attributeName) {
String attributeValue =
(String) component.getAttributes().get(attributeName);
if (null == attributeValue) {
attributeValue = "";
}
return attributeValue;
}
protected UIComponent getIconFacet(UIMenuItem menuItem) {
UIComponent iconFacet = null;
if (menuItem.isDisabled()) {
iconFacet = menuItem.getFacet("iconDisabled");
} else {
iconFacet = menuItem.getFacet("icon");
}
return iconFacet;
}
protected String resolveSubmitMode(UIMenuItem menuItem) {
String submitMode = menuItem.getSubmitMode();
if (null != submitMode) {
return submitMode;
}
UIComponent parent = menuItem.getParent();
while (null != parent) {
if (parent instanceof MenuComponent) {
return ((MenuComponent) parent).getSubmitMode();
}
parent = parent.getParent();
}
return MenuComponent.MODE_SERVER;
}
protected String processInlineStyles(FacesContext context,
UIMenuItem menuItem,
boolean isOnmouseover) {
StringBuffer buffer = new StringBuffer();
Object style = menuItem.getAttributes().get("style");
Object selectStyle = menuItem.getAttributes().get("selectStyle");
if (null == selectStyle) {
return "";
}
buffer.append("$('" + menuItem.getClientId(context)
+ "').style.cssText='");
if (null != style) {
buffer.append(style.toString() + "; ");
}
if (isOnmouseover) {
buffer.append(selectStyle.toString() + ";';");
} else {
buffer.append("';");
}
return buffer.toString();
}
}