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org.primefaces.component.splitbutton.SplitButtonRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2013 PrimeTek.
*
* Licensed 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.
*/
package org.primefaces.component.splitbutton;
import java.io.IOException;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.event.ActionEvent;
import org.primefaces.component.api.AjaxSource;
import org.primefaces.component.api.UIOutcomeTarget;
import org.primefaces.component.menu.AbstractMenu;
import org.primefaces.component.menu.Menu;
import org.primefaces.component.menubutton.MenuButton;
import org.primefaces.component.menuitem.UIMenuItem;
import org.primefaces.component.separator.UISeparator;
import org.primefaces.renderkit.OutcomeTargetRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class SplitButtonRenderer extends OutcomeTargetRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
SplitButton button = (SplitButton) component;
if(button.isDisabled()) {
return;
}
String clientId = button.getClientId(context);
String param = button.isAjax() ? clientId : clientId + "_button";
if(context.getExternalContext().getRequestParameterMap().containsKey(param)) {
component.queueEvent(new ActionEvent(component));
}
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
SplitButton button = (SplitButton) component;
encodeMarkup(context, button);
encodeScript(context, button);
}
protected void encodeMarkup(FacesContext context, SplitButton button) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = button.getClientId(context);
String menuId = clientId + "_menu";
String menuButtonId = clientId + "_menuButton";
String buttonId = clientId + "_button";
String styleClass = button.getStyleClass();
styleClass = styleClass == null ? SplitButton.STYLE_CLASS : SplitButton.STYLE_CLASS + " " + styleClass;
writer.startElement("div", button);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "id");
if(button.getStyle() != null) {
writer.writeAttribute("style", button.getStyle(), "id");
}
encodeDefaultButton(context, button, buttonId);
encodeMenuIcon(context, button, menuButtonId);
encodeMenu(context, button, menuId);
writer.endElement("div");
}
protected void encodeDefaultButton(FacesContext context, SplitButton button, String id) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String value = (String) button.getValue();
String icon = button.getIcon();
String onclick = buildOnclick(context, button);
writer.startElement("button", button);
writer.writeAttribute("id", id, "id");
writer.writeAttribute("name", id, "name");
writer.writeAttribute("class", button.resolveStyleClass(), "styleClass");
if(onclick.length() > 0) {
writer.writeAttribute("onclick", onclick.toString(), "onclick");
}
renderPassThruAttributes(context, button, HTML.BUTTON_ATTRS, HTML.CLICK_EVENT);
if(button.isDisabled()) {
writer.writeAttribute("disabled", "disabled", "disabled");
}
//icon
if(icon != null && !icon.trim().equals("")) {
String defaultIconClass = button.getIconPos().equals("left") ? HTML.BUTTON_LEFT_ICON_CLASS : HTML.BUTTON_RIGHT_ICON_CLASS;
String iconClass = defaultIconClass + " " + icon;
writer.startElement("span", null);
writer.writeAttribute("class", iconClass, null);
writer.endElement("span");
}
//text
writer.startElement("span", null);
writer.writeAttribute("class", HTML.BUTTON_TEXT_CLASS, null);
if(value == null)
writer.write("ui-button");
else
writer.writeText(value, "value");
writer.endElement("span");
writer.endElement("button");
}
protected void encodeMenuIcon(FacesContext context, SplitButton button, String id) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String buttonClass = SplitButton.MENU_ICON_BUTTON_CLASS;
if(button.isDisabled()) {
buttonClass += " ui-state-disabled";
}
writer.startElement("button", button);
writer.writeAttribute("id", id, null);
writer.writeAttribute("name", id, null);
writer.writeAttribute("type", "button", null);
writer.writeAttribute("class", buttonClass, null);
if(button.isDisabled()) {
writer.writeAttribute("disabled", "disabled", "disabled");
}
//icon
writer.startElement("span", null);
writer.writeAttribute("class", "ui-button-icon-left ui-icon ui-icon-triangle-1-s", null);
writer.endElement("span");
//text
writer.startElement("span", null);
writer.writeAttribute("class", HTML.BUTTON_TEXT_CLASS, null);
writer.write("ui-button");
writer.endElement("span");
writer.endElement("button");
}
protected void encodeScript(FacesContext context, SplitButton button) throws IOException {
String clientId = button.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("SplitButton", button.resolveWidgetVar(), clientId);
wb.finish();
}
protected String buildOnclick(FacesContext context, SplitButton button) throws IOException {
StringBuilder onclick = new StringBuilder();
if(button.getOnclick() != null) {
onclick.append(button.getOnclick()).append(";");
}
if(button.isAjax()) {
onclick.append(buildAjaxRequest(context, button, null));
}
else {
UIComponent form = ComponentUtils.findParentForm(context, button);
if(form == null) {
throw new FacesException("SplitButton : \"" + button.getClientId(context) + "\" must be inside a form element");
}
onclick.append(buildNonAjaxRequest(context, button, form, null, false));
}
String onclickBehaviors = getEventBehaviors(context, button, "click");
if(onclickBehaviors != null) {
onclick.append(onclickBehaviors).append(";");
}
return onclick.toString();
}
protected void encodeMenu(FacesContext context, SplitButton button, String menuId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("id", menuId, null);
writer.writeAttribute("class", Menu.DYNAMIC_CONTAINER_CLASS, "styleClass");
writer.writeAttribute("role", "menu", null);
writer.startElement("ul", null);
writer.writeAttribute("class", MenuButton.LIST_CLASS, "styleClass");
for(UIComponent child : button.getChildren()) {
if(child.isRendered()) {
if(child instanceof UIMenuItem) {
UIMenuItem item = (UIMenuItem) child;
writer.startElement("li", null);
writer.writeAttribute("class", Menu.MENUITEM_CLASS, null);
writer.writeAttribute("role", "menuitem", null);
encodeMenuItem(context, item);
writer.endElement("li");
}
else if(child instanceof UISeparator) {
encodeSeparator(context, (UISeparator) child);
}
}
}
writer.endElement("ul");
writer.endElement("div");
}
protected void encodeMenuItem(FacesContext context, UIMenuItem menuitem) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String icon = menuitem.getIcon();
String title = menuitem.getTitle();
if(menuitem.shouldRenderChildren()) {
renderChildren(context, (UIComponent) menuitem);
}
else {
boolean disabled = menuitem.isDisabled();
writer.startElement("a", null);
if(title != null) {
writer.writeAttribute("title", title, null);
}
String styleClass = menuitem.getStyleClass();
styleClass = styleClass == null ? AbstractMenu.MENUITEM_LINK_CLASS : AbstractMenu.MENUITEM_LINK_CLASS + " " + styleClass;
styleClass = disabled ? styleClass + " ui-state-disabled" : styleClass;
writer.writeAttribute("class", styleClass, null);
if(menuitem.getStyle() != null)
writer.writeAttribute("style", menuitem.getStyle(), null);
if(disabled) {
writer.writeAttribute("href", "#", null);
writer.writeAttribute("onclick", "return false;", null);
}
else {
String onclick = menuitem.getOnclick();
//GET
if(menuitem.getUrl() != null || menuitem.getOutcome() != null) {
String targetURL = getTargetURL(context, (UIOutcomeTarget) menuitem);
writer.writeAttribute("href", targetURL, null);
if(menuitem.getTarget() != null) {
writer.writeAttribute("target", menuitem.getTarget(), null);
}
}
//POST
else {
writer.writeAttribute("href", "#", null);
UIComponent form = ComponentUtils.findParentForm(context, menuitem);
if(form == null) {
throw new FacesException("MenuItem must be inside a form element");
}
String command = menuitem.isAjax() ? buildAjaxRequest(context, (AjaxSource) menuitem, form) : buildNonAjaxRequest(context, ((UIComponent) menuitem), form, ((UIComponent) menuitem).getClientId(context), true);
onclick = (onclick == null) ? command : onclick + ";" + command;
}
if(onclick != null) {
writer.writeAttribute("onclick", onclick, null);
}
}
if(icon != null) {
writer.startElement("span", null);
writer.writeAttribute("class", AbstractMenu.MENUITEM_ICON_CLASS + " " + icon, null);
writer.endElement("span");
}
if(menuitem.getValue() != null) {
writer.startElement("span", null);
writer.writeAttribute("class", AbstractMenu.MENUITEM_TEXT_CLASS, null);
writer.writeText((String) menuitem.getValue(), "value");
writer.endElement("span");
}
writer.endElement("a");
}
}
protected void encodeSeparator(FacesContext context, UISeparator separator) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String style = separator.getStyle();
String styleClass = separator.getStyleClass();
styleClass = styleClass == null ? Menu.SEPARATOR_CLASS : Menu.SEPARATOR_CLASS + " " + styleClass;
//title
writer.startElement("li", null);
writer.writeAttribute("class", styleClass, null);
if(style != null) {
writer.writeAttribute("style", style, null);
}
writer.endElement("li");
}
@Override
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
//Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
}
