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/**
* Copyright 2014-2019 Riccardo Massera (TheCoder4.Eu)
*
* 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.render;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.component.UIForm;
import javax.faces.component.html.HtmlOutputText;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import net.bootsfaces.component.GenContainerDiv;
import net.bootsfaces.component.icon.Icon;
/**
* Rendering functions for the core or common to more than one component
*
* @author thecoder4.eu
*/
public final class R {
// span => col-md-* as of TBS3
public static final String COLMD = "col-md-"; // Default as of TBS3
// span => col-md-offset-* as of TBS3
public static final String OFFSET = "col-md-offset-"; // Default as of TBS3
// public static final String ="";
/**
* Encodes a Column
*
* @param rw
* @param c
* @param span
* @param cxs
* @param csm
* @param clg
* @param offset
* @param oxs
* @param osm
* @param olg
* @param style
* @param sclass
* @throws IOException
*/
public static final void encodeColumn(ResponseWriter rw, UIComponent c, int span, int cxs, int csm, int clg,
int offset, int oxs, int osm, int olg, String style, String sclass) throws IOException {
rw.startElement("div", c);
Map componentAttrs = new HashMap();
if (c != null) {
rw.writeAttribute("id", c.getClientId(), "id");
Tooltip.generateTooltip(FacesContext.getCurrentInstance(), c, rw);
componentAttrs = c.getAttributes();
}
StringBuilder sb = new StringBuilder();
if (span > 0 || offset > 0) {
if (span > 0) {
sb.append(COLMD).append(span);
}
if (offset > 0) {
if (span > 0) {
sb.append(" ");
}
sb.append(OFFSET + offset);
}
}
if (cxs > 0) {
sb.append(" col-xs-").append(cxs);
}
if (componentAttrs.get("col-xs") != null && cxs == 0) {
sb.append(" hidden-xs");
}
if (csm > 0) {
sb.append(" col-sm-").append(csm);
}
if (componentAttrs.get("col-sm") != null && csm == 0) {
sb.append(" hidden-sm");
}
if (clg > 0) {
sb.append(" col-lg-").append(clg);
}
if (componentAttrs.get("col-lg") != null && clg == 0) {
sb.append(" hidden-lg");
}
if (oxs > 0) {
sb.append(" col-xs-offset-").append(oxs);
}
if (osm > 0) {
sb.append(" col-sm-offset-").append(osm);
}
if (olg > 0) {
sb.append(" col-lg-offset-").append(olg);
}
if (sclass != null) {
sb.append(" ").append(sclass);
}
rw.writeAttribute("class", sb.toString().trim(), "class");
if (style != null) {
rw.writeAttribute("style", style, "style");
}
if (null != c) {
Tooltip.activateTooltips(FacesContext.getCurrentInstance(), c);
}
}
/**
*
* @param c
* @param fc
* @throws IOException
*/
public static void genDivContainer(GenContainerDiv c, FacesContext fc) throws IOException {
/*
*
...
*/
ResponseWriter rw = fc.getResponseWriter();
Map attrs = c.getAttributes();
String pull = A.asString(attrs.get("pull"));
rw.startElement("div", c);
rw.writeAttribute("id", c.getClientId(fc), "id");
Tooltip.generateTooltip(fc, c, rw);
if (pull != null && (pull.equals("right") || pull.equals("left"))) {
rw.writeAttribute("class", c.getContainerStyles().concat(" ").concat("pull").concat("-").concat(pull),
"class");
} else {
rw.writeAttribute("class", c.getContainerStyles(), "class");
}
}
/**
* Adds a CSS class to a component within a facet.
*
* @param f
* the facet
* @param cname
* the class name of the component to be manipulated.
* @param aclass
* the CSS class to be added
*/
public static void addClass2FacetComponent(UIComponent f, String cname, String aclass) {
// If the facet contains only one component, getChildCount()=0 and the
// Facet is the UIComponent
if (f.getClass().getName().endsWith(cname)) {
addClass2Component(f, aclass);
} else {
if (f.getChildCount() > 0) {
for (UIComponent c : f.getChildren()) {
if (c.getClass().getName().endsWith(cname)) {
addClass2Component(c, aclass);
}
}
}
}
}
/**
* Adds a CSS class to a component in the view tree. The class is appended
* to the styleClass value.
*
* @param c
* the component
* @param aclass
* the CSS class to be added
*/
protected static void addClass2Component(UIComponent c, String aclass) {
Map a = c.getAttributes();
if (a.containsKey("styleClass")) {
a.put("styleClass", a.get("styleClass") + " " + aclass);
} else {
a.put("styleClass", aclass);
}
}
/**
* Decorate the facet children with a class to render bootstrap like
* "prepend" and "append" sections
*
* @param parent
* @param comp
* @param ctx
* @param rw
* @throws IOException
*/
public static void decorateFacetComponent(UIComponent parent, UIComponent comp, FacesContext ctx, ResponseWriter rw)
throws IOException {
/*
* System.out.println("COMPONENT CLASS = " + comp.getClass().getName());
* System.out.println("FAMILY = " + comp.getFamily());
* System.out.println("CHILD COUNT = " + comp.getChildCount());
* System.out.println("PARENT CLASS = " + comp.getParent().getClass());
*
*
* if (app.getClass().getName().endsWith("Button") ||
* (app.getChildCount() > 0 &&
* app.getChildren().get(0).getClass().getName().endsWith("Button"))) {
* rw.startElement("div", inputText); rw.writeAttribute("class",
* "input-group-btn", "class"); app.encodeAll(context);
* rw.endElement("div"); } else { if (app instanceof Icon) ((Icon)
* app).setAddon(true); rw.startElement("span", inputText);
* rw.writeAttribute("class", "input-group-addon", "class");
* app.encodeAll(context); rw.endElement("span"); }
*/
if (comp.getChildCount() >= 1 && comp.getClass().getName().endsWith("Panel")) {
for (UIComponent child : comp.getChildren()) {
decorateComponent(parent, child, ctx, rw);
}
} else {
decorateComponent(parent, comp, ctx, rw);
}
}
/**
* Add the correct class
*
* @param parent
* @param comp
* @param ctx
* @param rw
* @throws IOException
*/
private static void decorateComponent(UIComponent parent, UIComponent comp, FacesContext ctx, ResponseWriter rw)
throws IOException {
if (comp instanceof Icon)
((Icon) comp).setAddon(true); // modifies the id of the icon
String classToApply = "input-group-addon";
if (comp.getClass().getName().endsWith("Button") || comp.getChildCount() > 0)
classToApply = "input-group-btn";
if (comp instanceof HtmlOutputText) {
HtmlOutputText out = (HtmlOutputText)comp;
String sc = out.getStyleClass();
if (sc == null)
sc = classToApply;
else
sc = sc + " " + classToApply;
out.setStyleClass(sc);
comp.encodeAll(ctx);
}
else {
rw.startElement("span", parent);
rw.writeAttribute("class", classToApply, "class");
comp.encodeAll(ctx);
rw.endElement("span");
}
}
/**
* Encodes component attributes (HTML 4 + DHTML) TODO: replace this method
* with CoreRenderer.renderPassThruAttributes()
*
* @param rw
* ResponseWriter instance
* @param attrs
* @param alist
* @throws IOException
*/
public static void encodeHTML4DHTMLAttrs(ResponseWriter rw, Map attrs, String[] alist)
throws IOException {
// Encode attributes (HTML 4 + DHTML)
for (String a : alist) {
if (attrs.get(a) != null) {
String val = A.asString(attrs.get(a));
if (val != null && val.length() > 0) {
rw.writeAttribute(a, val, a);
}
}
}
}
/**
* Finds the Form Id of a component inside a form.
*
* @param fc
* FacesContext instance
* @param c
* UIComponent instance
* @return
*/
public static String findComponentFormId(FacesContext fc, UIComponent c) {
UIComponent parent = c.getParent();
while (parent != null) {
if (parent instanceof UIForm) {
return parent.getClientId(fc);
}
parent = parent.getParent();
}
return null;
}
/**
* Renders the Childrens of a Component
*
* @param fc
* @param component
* @throws IOException
*/
public static void renderChildren(FacesContext fc, UIComponent component) throws IOException {
for (Iterator iterator = component.getChildren().iterator(); iterator.hasNext();) {
UIComponent child = (UIComponent) iterator.next();
renderChild(fc, child);
}
}
/**
* Renders the Child of a Component
*
* @param fc
* @param child
* @throws IOException
*/
public static void renderChild(FacesContext fc, UIComponent child) throws IOException {
if (!child.isRendered()) {
return;
}
child.encodeBegin(fc);
if (child.getRendersChildren()) {
child.encodeChildren(fc);
} else {
renderChildren(fc, child);
}
child.encodeEnd(fc);
}
// Suppress default constructor for noninstantiability
private R() {
throw new AssertionError();
}
}
