/*
* Copyright 2009-2014 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.button;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.renderkit.OutcomeTargetRenderer;
import org.primefaces.util.HTML;
import org.primefaces.util.SharedStringBuilder;
import org.primefaces.util.WidgetBuilder;
public class ButtonRenderer extends OutcomeTargetRenderer {
private static final String SB_BUILD_ONCLICK = ButtonRenderer.class.getName() + "#buildOnclick";
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Button button = (Button) component;
encodeMarkup(context, button);
encodeScript(context, button);
}
public void encodeMarkup(FacesContext context, Button button) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = button.getClientId(context);
String value = (String) button.getValue();
String icon = button.resolveIcon();
writer.startElement("button", button);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("name", clientId, "name");
writer.writeAttribute("type", "button", null);
writer.writeAttribute("class", button.resolveStyleClass(), "styleClass");
renderPassThruAttributes(context, button, HTML.BUTTON_ATTRS, HTML.CLICK_EVENT);
if(button.isDisabled())
writer.writeAttribute("disabled", "disabled", "disabled");
writer.writeAttribute("onclick", buildOnclick(context, button), null);
//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 {
if(button.isEscape())
writer.writeText(value, "value");
else
writer.write(value);
}
writer.endElement("span");
writer.endElement("button");
}
public void encodeScript(FacesContext context, Button button) throws IOException {
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("Button", button.resolveWidgetVar(), button.getClientId(context));
wb.finish();
}
protected String buildOnclick(FacesContext context, Button button) {
String userOnclick = button.getOnclick();
StringBuilder onclick = SharedStringBuilder.get(context, SB_BUILD_ONCLICK);
String targetURL = getTargetURL(context, button);
if(userOnclick != null) {
onclick.append(userOnclick).append(";");
}
String onclickBehaviors = getEventBehaviors(context, button, "click", null);
if(onclickBehaviors != null) {
onclick.append(onclickBehaviors).append(";");
}
if(targetURL != null) {
onclick.append("window.open('").append(targetURL).append("','");
onclick.append(button.getTarget()).append("')");
}
return onclick.toString();
}
}