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org.primefaces.component.selectmanybutton.SelectManyButtonRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2015 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.selectmanybutton;
import java.io.IOException;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.component.UIInput;
import javax.faces.component.UINamingContainer;
import javax.faces.component.UISelectMany;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import javax.faces.model.SelectItem;
import javax.faces.render.Renderer;
import org.primefaces.renderkit.SelectManyRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class SelectManyButtonRenderer extends SelectManyRenderer {
@Override
public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException {
Renderer renderer = ComponentUtils.getUnwrappedRenderer(
context,
"javax.faces.SelectMany",
"javax.faces.Checkbox",
Renderer.class);
return renderer.getConvertedValue(context, component, submittedValue);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
SelectManyButton button = (SelectManyButton) component;
encodeMarkup(context, button);
encodeScript(context, button);
}
protected void encodeMarkup(FacesContext context, SelectManyButton button) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = button.getClientId(context);
List selectItems = getSelectItems(context, button);
int selectItemsSize = selectItems.size();
String style = button.getStyle();
String styleClass = button.getStyleClass();
styleClass = styleClass == null ? SelectManyButton.STYLE_CLASS : SelectManyButton.STYLE_CLASS + " " + styleClass;
styleClass = styleClass + " ui-buttonset-" + selectItemsSize;
styleClass = !button.isValid() ? styleClass + " ui-state-error" : styleClass;
writer.startElement("div", button);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if(style != null) {
writer.writeAttribute("style", style, "style");
}
encodeSelectItems(context, button, selectItems);
writer.endElement("div");
}
protected void encodeSelectItems(FacesContext context, SelectManyButton button, List selectItems) throws IOException {
Converter converter = button.getConverter();
Object values = getValues(button);
Object submittedValues = getSubmittedValues(button);
int selectItemsSize = selectItems.size();
int idx = -1;
for(SelectItem selectItem : selectItems) {
idx++;
encodeOption(context, button, values, submittedValues, converter, selectItem, idx, selectItemsSize);
}
}
protected void encodeOption(FacesContext context, UIInput component, Object values, Object submittedValues, Converter converter, SelectItem option, int idx, int size) throws IOException {
ResponseWriter writer = context.getResponseWriter();
SelectManyButton button = (SelectManyButton) component;
String itemValueAsString = getOptionAsString(context, component, converter, option.getValue());
String name = button.getClientId(context);
String id = name + UINamingContainer.getSeparatorChar(context) + idx;
boolean disabled = option.isDisabled() || button.isDisabled();
String tabindex = button.getTabindex();
Object valuesArray;
Object itemValue;
if(submittedValues != null) {
valuesArray = submittedValues;
itemValue = itemValueAsString;
} else {
valuesArray = values;
itemValue = option.getValue();
}
boolean selected = isSelected(context, component, itemValue, valuesArray, converter);
if(option.isNoSelectionOption() && values != null && !selected) {
return;
}
String buttonStyle = HTML.BUTTON_TEXT_ONLY_BUTTON_FLAT_CLASS;
if(size == 0)
buttonStyle = buttonStyle + " ui-corner-all";
else if(idx == 0)
buttonStyle = buttonStyle + " ui-corner-left";
else if(idx == (size - 1))
buttonStyle = buttonStyle + " ui-corner-right";
buttonStyle = selected ? buttonStyle + " ui-state-active" : buttonStyle;
buttonStyle = disabled ? buttonStyle + " ui-state-disabled" : buttonStyle;
//button
writer.startElement("div", null);
writer.writeAttribute("class", buttonStyle, null);
if(option.getDescription() != null) writer.writeAttribute("title", option.getDescription(), null);
//input
writer.startElement("input", null);
writer.writeAttribute("id", id, null);
writer.writeAttribute("name", name, null);
writer.writeAttribute("type", "checkbox", null);
writer.writeAttribute("value", itemValueAsString, null);
writer.writeAttribute("class", "ui-helper-hidden-accessible", null);
renderOnchange(context, button);
if(selected) writer.writeAttribute("checked", "checked", null);
if(disabled) writer.writeAttribute("disabled", "disabled", null);
if(tabindex != null) writer.writeAttribute("tabindex", tabindex, null);
writer.endElement("input");
//item label
writer.startElement("span", null);
writer.writeAttribute("class", HTML.BUTTON_TEXT_CLASS, null);
writer.writeText(option.getLabel(), "itemLabel");
writer.endElement("span");
writer.endElement("div");
}
protected void encodeScript(FacesContext context, SelectManyButton button) throws IOException {
String clientId = button.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("SelectManyButton", button.resolveWidgetVar(), clientId).finish();
}
@Override
protected String getSubmitParam(FacesContext context, UISelectMany selectMany) {
return selectMany.getClientId(context);
}
}
