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net.bootsfaces.component.slider.SliderRenderer Maven / Gradle / Ivy
/**
* Copyright 2014-2017 Riccardo Massera (TheCoder4.Eu) and Stephan Rauh (http://www.beyondjava.net).
*
* This file is part of BootsFaces.
*
* 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 net.bootsfaces.component.slider;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.FacesRenderer;
import net.bootsfaces.component.badge.BadgeRenderer;
import net.bootsfaces.render.A;
import net.bootsfaces.render.JQ;
import net.bootsfaces.render.R;
import net.bootsfaces.render.Tooltip;
import net.bootsfaces.utils.BsfUtils;
/** This class generates the HTML code of <b:slider />. */
@FacesRenderer(componentFamily = "net.bootsfaces.component", rendererType = "net.bootsfaces.component.slider.Slider")
public class SliderRenderer extends BadgeRenderer {
/**
* This methods receives and processes input made by the user. More
* specifically, it ckecks whether the user has interacted with the current
* b:slider. The default implementation simply stores the input value in the
* list of submitted values. If the validation checks are passed, the values
* in the submittedValues list are store in the backend bean.
*
* @param context
* the FacesContext.
* @param component
* the current b:slider.
*/
@Override
public void decode(FacesContext context, UIComponent component) {
Slider slider = (Slider) component;
if (slider.isDisabled() || slider.isReadonly()) {
return;
}
decodeBehaviors(context, slider);
String clientId = slider.getClientId(context);
String submittedValue = (String) context.getExternalContext().getRequestParameterMap().get(clientId);
if (submittedValue != null) {
slider.setSubmittedValue(submittedValue);
slider.setValid(true);
}
}
/**
* This methods generates the HTML code of the current b:slider.
*
* @param context
* the FacesContext.
* @param component
* the current b:slider.
* @throws IOException
* thrown if something goes wrong when writing the HTML code.
*/
@Override
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
if (!component.isRendered()) {
return;
}
Slider slider = (Slider) component;
ResponseWriter rw = context.getResponseWriter();
encodeHTML(slider, context, rw);
Tooltip.activateTooltips(context, slider);
}
private void encodeHTML(Slider slider, FacesContext context, ResponseWriter rw) throws IOException {
String clientId = slider.getClientId(context);
String mode = slider.getMode();
String label = slider.getLabel();
int min = slider.getMin();
int max = slider.getMax();
Object v = slider.getSubmittedValue();
if (v == null) {
v = slider.getValue();
}
if (v == null) {
v = slider.getValue();
slider.setValue(v);
}
if (v == null) {
v = max / 2;
slider.setValue(v);
}
int val = A.toInt(v);
if (val > max) {
val = max;
}
if (val < min) {
val = min;
}
String o;
if (slider.getOrientation() != null) {
o = slider.getOrientation();
} else {
o = "horizontal";
}
boolean isVertical = o.startsWith("vertical");
boolean bottom = o.endsWith("bottom");
int span = slider.getSpan();
rw.startElement("div", null);// form-group
rw.writeAttribute("id", clientId, "id");
Tooltip.generateTooltip(context, slider, rw);
rw.writeAttribute("class", getWithFeedback(getInputMode(slider.isInline()), slider), "class");
rw.startElement("div", null);
String s = (isVertical ? "slider-vertical" : "slider");
if (slider.getStyleClass()!=null) {
s += " " + slider.getStyleClass();
}
rw.writeAttribute("class", s, "class");
writeAttribute(rw, "style", slider.getStyle());
// -------------------------------------------------------------->
// <<-- Vertical -->>
if (isVertical) {
if (label != null && !bottom) {
rw.startElement("div", null);
String lsc = slider.getLabelStyleClass();
if (lsc == null)
lsc = "";
else
lsc = " " + lsc;
rw.writeAttribute("class", "row " + getErrorAndRequiredClass(slider, clientId) + lsc, "class");
writeAttribute(rw, "style", slider.getLabelStyle());
encodeVLabel(slider, rw, label);
rw.endElement("div");/* Row */
}
rw.startElement("div", null);
rw.writeAttribute("class", "row", "class");
if (bottom) {
encodeSliderDiv(rw, isVertical, mode, span, slider.getBadgeSpan(), clientId);
rw.endElement("div");/* Row */
rw.startElement("div", null);
rw.writeAttribute("class", "row", "class");
}
encodeInput(slider, rw, mode, context, val, clientId, isVertical, min, max);
if (!bottom) {
rw.endElement("div"); /* Row */
rw.startElement("div", null);
rw.writeAttribute("class", "row " + getErrorAndRequiredClass(slider, clientId), "class");
encodeSliderDiv(rw, isVertical, mode, span, slider.getBadgeSpan(), clientId);
}
rw.endElement("div"); /* Row */
if (label != null && bottom) {
rw.startElement("div", null);
String lsc = slider.getLabelStyleClass();
if (lsc == null)
lsc = "";
else
lsc = " " + lsc;
rw.writeAttribute("class", "row " + getErrorAndRequiredClass(slider, clientId) + lsc, "class");
writeAttribute(rw, "style", slider.getLabelStyle());
encodeVLabel(slider, rw, label);
rw.endElement("div"); /* Row */
}
} else {
// <<-- Horizontal -->>
if (label != null) {
rw.startElement("div", null);
rw.writeAttribute("class", "row " + getErrorAndRequiredClass(slider, clientId), "class");
R.encodeColumn(rw, null, 6, 6, 6, 6, 0, 0, 0, 0, null, null);
rw.startElement("label", slider);
rw.writeAttribute("for", clientId, null);
String styleClass="";
if (!BsfUtils.isLegacyFeedbackClassesEnabled()) {
styleClass = "control-label";
}
if (slider.getLabelStyleClass() != null) {
styleClass += " " + slider.getLabelStyleClass();
}
writeAttribute(rw, "class", styleClass);
writeAttribute(rw, "style", slider.getLabelStyle());
rw.write(label);
rw.endElement("label"); // Label
rw.endElement("div");// Column
rw.endElement("div");/* Row */
}
rw.startElement("div", null);
rw.writeAttribute("class", "row", "class");
encodeInput(slider, rw, mode, context, val, clientId, isVertical, min, max);
encodeSliderDiv(rw, isVertical, mode, span, slider.getBadgeSpan(), clientId);
rw.endElement("div");/* Row */
}
// <<---------------------------------------
rw.endElement("div"); // rw.write("\n");//Slider Widget Row
rw.endElement("div"); // rw.write("\n");//form-group
encodeJS(slider, rw, clientId);
Tooltip.activateTooltips(context, slider);
}
private void encodeVLabel(Slider slider, ResponseWriter rw, String label) throws IOException {
R.encodeColumn(rw, null, 12, 12, 12, 12, 0, 0, 0, 0, null, null);
rw.startElement("p", slider);
if (!BsfUtils.isLegacyFeedbackClassesEnabled()) {
rw.writeAttribute("class", "control-label", null);
}
rw.write(label);
rw.endElement("p"); // Label
rw.endElement("div"); // Column
}
private void encodeInput(Slider slider, ResponseWriter rw, String mode, FacesContext context, int val,
String clientId, boolean vo, int min, int max) throws IOException {
int cols = (vo ? 12 : slider.getBadgeSpan());
if (!mode.equals("basic")) {
/*
* int span, int offset, int cxs, int csm, int clg, int oxs, int
* osm, int olg
*/
R.encodeColumn(rw, null, cols, cols, cols, cols, 0, 0, 0, 0, null, null);
if (mode.equals("badge")) {
generateBadge(context, slider, rw, clientId, slider.getBadgeStyleClass(), slider.getBadgeStyle(),
Integer.toString(val), "_badge");
}
}
removeMisleadingType(slider);
// Input
rw.startElement("input", slider);
// rw.writeAttribute("id", clientId, null);
rw.writeAttribute("name", clientId, null);
rw.writeAttribute("type", (mode.equals("edit") ? "text" : "hidden"), null);
rw.writeAttribute("size", String.valueOf(max).length() - 1, null);
rw.writeAttribute("min", min, null);
rw.writeAttribute("max", max, null);
rw.writeAttribute("maxlength", String.valueOf(max).length(), null);
if (slider.isDisabled()) {
rw.writeAttribute("disabled", "disabled", null);
}
if (slider.isReadonly()) {
rw.writeAttribute("readonly", "readonly", null);
}
String styleClass = "form-control input-sm" + (vo ? " text-center" : "");
if (slider.getBadgeStyleClass()!=null) {
styleClass += " " + slider.getBadgeStyleClass();
}
rw.writeAttribute("class", styleClass, "class");
writeAttribute(rw, "style", slider.getBadgeStyle());
rw.writeAttribute("value", val, null);
rw.endElement("input");
if (!mode.equals("basic")) {
rw.endElement("div");
} // Column
}
/**
* remove wrong type information that may have been added by AngularFaces
*/
@SuppressWarnings("rawtypes")
private void removeMisleadingType(Slider slider) {
try {
Method method = getClass().getMethod("getPassThroughAttributes", (Class[]) null);
if (null != method) {
Object map = method.invoke(this, (Object[]) null);
if (null != map) {
Map attributes = (Map) map;
if (attributes.containsKey("type"))
attributes.remove("type");
}
}
} catch (Exception ignoreMe) {
// we don't really have to care about this error
}
}
private void encodeSliderDiv(ResponseWriter rw, boolean vo, String mode, int span, int badgeSpan, String clientId)
throws IOException {
int cols = span;
if (!mode.equals("basic")) {
cols -= badgeSpan;
}
/*
* int span, int offset, int cxs, int csm, int clg, int oxs, int osm,
* int olg
*/
// For Horizontal, we keep one column for the input/badge
R.encodeColumn(rw, null, (vo ? 12 : cols), (vo ? 12 : cols), (vo ? 12 : cols), (vo ? 12 : cols), 0, 0, 0, 0,
null, null); // Issue #172
// R.encodeColumn(rw, null, (vo ? 12 : 4), (vo ? 12 : 4), (vo ? 12 : 4),
// (vo ? 12 : 4), 0, 0, 0, 0, null, null);
// Slider
rw.startElement("div", null);
rw.writeAttribute("id", clientId + "_slider", null);// concat
rw.endElement("div");
rw.endElement("div"); // Column
}
private void encodeJS(Slider slider, ResponseWriter rw, String cId) throws IOException {
StringBuilder sb = new StringBuilder(100);
sb.append("value").append(":").append(slider.getValue()).append(",");
if (slider.isDisabled() || slider.isReadonly()) {
sb.append("disabled: true,");
}
if (slider.getMax() > 0) {
sb.append("max").append(":").append(slider.getMax()).append(",");
}
sb.append("min").append(":").append(slider.getMin()).append(",");
if (slider.getOrientation() != null) {
String o = slider.getOrientation();
if (o.endsWith("bottom")) {
o = "vertical";
}
sb.append("orientation").append(":").append("'".concat(o).concat("'")).append(",");
}
if (slider.getStep() > 0) {
sb.append("step").append(":").append(slider.getStep()).append(",");
}
sb.append("range").append(":").append("\"min\"").append(",");
Map
attributes = slider.getAttributes();
String hsize = A.asString(attributes.get("handle-size"));
String hshape = A.asString(attributes.get("handle-shape"));
boolean hround = ((hshape != null) && (hshape.equals("round")));
JQ.simpleSlider(rw, cId, sb.toString(), slider.getMode().equals("badge"), hsize, hround);
}
}
