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org.primefaces.component.colorpicker.ColorPickerRenderer Maven / Gradle / Ivy
/*
* 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.colorpicker;
import java.io.IOException;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class ColorPickerRenderer extends CoreRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
ColorPicker colorPicker = (ColorPicker) component;
String paramName = colorPicker.getClientId(context) + "_input";
Map params = context.getExternalContext().getRequestParameterMap();
if(params.containsKey(paramName)) {
String submittedValue = params.get(paramName);
colorPicker.setSubmittedValue(submittedValue);
}
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
ColorPicker colorPicker = (ColorPicker) component;
encodeMarkup(context, colorPicker);
encodeScript(context, colorPicker);
}
protected void encodeMarkup(FacesContext context, ColorPicker colorPicker) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = colorPicker.getClientId(context);
String inputId = clientId + "_input";
String value = (String) colorPicker.getValue();
boolean isPopup = colorPicker.getMode().equals("popup");
String styleClass = colorPicker.getStyleClass();
styleClass = styleClass == null ? ColorPicker.STYLE_CLASS : ColorPicker.STYLE_CLASS + " " + styleClass;
writer.startElement("span", null);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if(colorPicker.getStyle() != null)
writer.writeAttribute("style", colorPicker.getStyle(), "style");
if(isPopup) {
encodeButton(context, clientId, value);
}
else {
encodeInline(context, clientId);
}
//Input
writer.startElement("input", null);
writer.writeAttribute("id", inputId, null);
writer.writeAttribute("name", inputId, null);
writer.writeAttribute("type", "hidden", null);
if(value != null) {
writer.writeAttribute("value", value, null);
}
writer.endElement("input");
writer.endElement("span");
}
protected void encodeButton(FacesContext context, String clientId, String value) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("button", null);
writer.writeAttribute("id", clientId + "_button", null);
writer.writeAttribute("type", "button", null);
writer.writeAttribute("class", HTML.BUTTON_TEXT_ONLY_BUTTON_CLASS, null);
//text
writer.startElement("span", null);
writer.writeAttribute("class", HTML.BUTTON_TEXT_CLASS, null);
writer.write("Live Preview ");
writer.endElement("span");
writer.endElement("button");
}
protected void encodeInline(FacesContext context, String clientId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("id", clientId + "_inline", "id");
writer.endElement("div");
}
protected void encodeScript(FacesContext context, ColorPicker colorPicker) throws IOException {
String clientId = colorPicker.getClientId(context);
String value = (String) colorPicker.getValue();
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("ColorPicker", colorPicker.resolveWidgetVar(), clientId, "colorpicker")
.attr("mode", colorPicker.getMode())
.attr("color", value, null);
wb.finish();
}
}