/*
* 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.util;
import java.io.IOException;
import javax.faces.context.FacesContext;
/**
* Helper to generate javascript code of an ajax call
*/
public class WidgetBuilder {
protected boolean endFunction = false;
protected String resourcePath = null;
protected FacesContext context;
public WidgetBuilder(FacesContext context) {
this.context = context;
}
/**
*
* @param widgetClass Constructor name of the widget
* @param widgetVar Name of the client side widget
* @param id Client id of the component
* @param onload Flag to define if widget should be created on document load
* @throws IOException
*/
protected WidgetBuilder init(String widgetClass, String widgetVar, String id, String resourcePath, boolean endFunction) throws IOException {
this.resourcePath = resourcePath;
this.endFunction = endFunction;
context.getResponseWriter().write("PrimeFaces.cw(\"");
context.getResponseWriter().write(widgetClass);
context.getResponseWriter().write("\",\"");
context.getResponseWriter().write(widgetVar);
context.getResponseWriter().write("\",{");
context.getResponseWriter().write("id:\"");
context.getResponseWriter().write(id);
if (widgetVar == null) {
context.getResponseWriter().write("\"");
} else {
context.getResponseWriter().write("\",widgetVar:\"");
context.getResponseWriter().write(widgetVar);
context.getResponseWriter().write("\"");
}
return this;
}
public WidgetBuilder init(String widgetClass, String widgetVar, String id) throws IOException {
this.renderScriptBlock(id);
this.init(widgetClass, widgetVar, id, null, false);
return this;
}
public WidgetBuilder init(String widgetClass, String widgetVar, String id, String resourcePath) throws IOException {
this.renderScriptBlock(id);
this.init(widgetClass, widgetVar, id, resourcePath, false);
return this;
}
public WidgetBuilder initWithDomReady(String widgetClass, String widgetVar, String id) throws IOException {
this.renderScriptBlock(id);
context.getResponseWriter().write("$(function(){");
this.init(widgetClass, widgetVar, id, null, true);
return this;
}
public WidgetBuilder initWithDomReady(String widgetClass, String widgetVar, String id, String resourcePath) throws IOException {
this.renderScriptBlock(id);
context.getResponseWriter().write("$(function(){");
this.init(widgetClass, widgetVar, id, resourcePath, true);
return this;
}
public WidgetBuilder initWithWindowLoad(String widgetClass, String widgetVar, String id) throws IOException {
this.renderScriptBlock(id);
context.getResponseWriter().write("$(window).load(function(){");
this.init(widgetClass, widgetVar, id, null, true);
return this;
}
public WidgetBuilder initWithWindowLoad(String widgetClass, String widgetVar, String id, String resourcePath) throws IOException {
this.renderScriptBlock(id);
context.getResponseWriter().write("$(window).load(function(){");
this.init(widgetClass, widgetVar, id, resourcePath, true);
return this;
}
public WidgetBuilder initWithComponentLoad(String widgetClass, String widgetVar, String id, String targetId) throws IOException {
this.renderScriptBlock(id);
context.getResponseWriter().write("$(PrimeFaces.escapeClientId(\"" + targetId + "\")).load(function(){");
this.init(widgetClass, widgetVar, id, null, true);
return this;
}
public WidgetBuilder initWithComponentLoad(String widgetClass, String widgetVar, String id, String targetId, String resourcePath) throws IOException {
this.renderScriptBlock(id);
context.getResponseWriter().write("$(PrimeFaces.escapeClientId(\"" + targetId + "\")).load(function(){");
this.init(widgetClass, widgetVar, id, resourcePath, true);
return this;
}
private void renderScriptBlock(String id) throws IOException {
context.getResponseWriter().startElement("script", null);
context.getResponseWriter().writeAttribute("id", id + "_s", null);
context.getResponseWriter().writeAttribute("type", "text/javascript", null);
}
public WidgetBuilder attr(String name, String value) throws IOException {
if (value != null) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":\"");
context.getResponseWriter().write(value);
context.getResponseWriter().write("\"");
}
return this;
}
public WidgetBuilder nativeAttr(String name, String value) throws IOException {
if (value != null) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":");
context.getResponseWriter().write(value);
}
return this;
}
public WidgetBuilder nativeAttr(String name, String value, String defaultValue) throws IOException {
if(value != null && !value.equals(defaultValue)) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":");
context.getResponseWriter().write(value);
}
return this;
}
public WidgetBuilder attr(String name, Boolean value) throws IOException {
if (value != null) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":");
context.getResponseWriter().write(Boolean.toString(value));
}
return this;
}
public WidgetBuilder attr(String name, Number value) throws IOException {
if (value != null) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":");
context.getResponseWriter().write(value.toString());
}
return this;
}
public WidgetBuilder attr(String name, String value, String defaultValue) throws IOException {
if(value != null && !value.equals(defaultValue)) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":\"");
context.getResponseWriter().write(value);
context.getResponseWriter().write("\"");
}
return this;
}
public WidgetBuilder attr(String name, double value, double defaultValue) throws IOException {
if(value != defaultValue) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":");
context.getResponseWriter().write(Double.toString(value));
}
return this;
}
public WidgetBuilder attr(String name, int value, int defaultValue) throws IOException {
if(value != defaultValue) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":");
context.getResponseWriter().write(Integer.toString(value));
}
return this;
}
public WidgetBuilder attr(String name, boolean value, boolean defaultValue) throws IOException {
if(value != defaultValue) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":");
context.getResponseWriter().write(Boolean.toString(value));
}
return this;
}
public WidgetBuilder callback(String name, String signature, String callback) throws IOException {
if(callback != null) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":");
context.getResponseWriter().write(signature);
context.getResponseWriter().write("{");
context.getResponseWriter().write(callback);
context.getResponseWriter().write("}");
}
return this;
}
public WidgetBuilder callback(String name, String callback) throws IOException {
if(callback != null) {
context.getResponseWriter().write(",");
context.getResponseWriter().write(name);
context.getResponseWriter().write(":");
context.getResponseWriter().write(callback);
}
return this;
}
public WidgetBuilder append(String str) throws IOException {
context.getResponseWriter().write(str);
return this;
}
public WidgetBuilder append(char chr) throws IOException {
context.getResponseWriter().write(chr);
return this;
}
public WidgetBuilder append(Number number) throws IOException {
context.getResponseWriter().write(number.toString());
return this;
}
public void finish() throws IOException {
context.getResponseWriter().write("}");
if(this.resourcePath != null) {
context.getResponseWriter().write(",\"");
context.getResponseWriter().write(this.resourcePath);
context.getResponseWriter().write("\"");
}
context.getResponseWriter().write(");");
if(endFunction) {
context.getResponseWriter().write("});");
}
context.getResponseWriter().endElement("script");
}
}