Package com.liferay.faces.alloy.component.inputsourcecode

Source Code of com.liferay.faces.alloy.component.inputsourcecode.InputSourceCodeRenderer

/**
* Copyright (c) 2000-2014 Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.faces.alloy.component.inputsourcecode;

import java.io.IOException;

import javax.faces.application.ResourceDependencies;
import javax.faces.application.ResourceDependency;
import javax.faces.component.UIComponent;
import javax.faces.component.UINamingContainer;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.FacesRenderer;

import com.liferay.faces.alloy.renderkit.AlloyRendererUtil;
import com.liferay.faces.util.component.ClientComponent;
import com.liferay.faces.util.component.ComponentUtil;
import com.liferay.faces.util.lang.StringPool;
import com.liferay.faces.util.render.DelegationResponseWriter;
import com.liferay.faces.util.render.HiddenTextResponseWriter;
import com.liferay.faces.util.render.RendererUtil;


/**
* @author  Neil Griffin
*/
//J-
@FacesRenderer(componentFamily = InputSourceCode.COMPONENT_FAMILY, rendererType = InputSourceCode.RENDERER_TYPE)
@ResourceDependencies(
  {
    @ResourceDependency(library = "liferay-faces-reslib", name = "build/aui-css/css/bootstrap.min.css"),
    @ResourceDependency(library = "liferay-faces-reslib", name = "build/aui/aui-min.js"),
    @ResourceDependency(library = "liferay-faces-reslib", name = "liferay.js")
  }
)
//J+
public class InputSourceCodeRenderer extends InputSourceCodeRendererBase {

  @Override
  public void encodeJavaScriptCustom(FacesContext facesContext, UIComponent uiComponent) throws IOException {

    ResponseWriter responseWriter = facesContext.getResponseWriter();

    InputSourceCode inputSourceCode = (InputSourceCode) uiComponent;
    Boolean readOnly = inputSourceCode.isReadOnly();

    if ((readOnly == null) || (!readOnly)) {

      ClientComponent clientComponent = (ClientComponent) uiComponent;
      String clientVarName = ComponentUtil.getClientVarName(facesContext, clientComponent);
      String clientKey = clientComponent.getClientKey();

      if (clientKey == null) {
        clientKey = clientVarName;
      }

      encodeLiferayComponentVar(responseWriter, clientVarName, clientKey);

      String hiddenInputClientId = getHiddenInputClientId(facesContext, uiComponent);
      String escapedHiddenInputClientId = StringPool.POUND + RendererUtil.escapeClientId(hiddenInputClientId);

      responseWriter.write(clientVarName);
      responseWriter.write(".getSession().on('change', function() {A.one('");
      responseWriter.write(escapedHiddenInputClientId);
      responseWriter.write("').set('value',");
      responseWriter.write(clientVarName);
      responseWriter.write(".getSession().getValue())});");
    }
  }

  @Override
  public void encodeMarkupBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException {
    ResponseWriter responseWriter = facesContext.getResponseWriter();

    // Start the encoding of the outermost <div> element.
    String clientId = uiComponent.getClientId(facesContext);
    responseWriter.startElement(StringPool.DIV, uiComponent);
    responseWriter.writeAttribute(StringPool.ID, clientId, StringPool.ID);

    // Encode the entire boundingbox <div>...<div> element.
    String defaultBoundingBoxClientId = getDefaultBoundingBoxClientId(facesContext, uiComponent);
    responseWriter.startElement(StringPool.DIV, uiComponent);
    responseWriter.writeAttribute(StringPool.ID, defaultBoundingBoxClientId, StringPool.ID);
    responseWriter.endElement(StringPool.DIV);

    // Start the encoding of the hidden text input by delegating to the renderer from the JSF runtime.
    DelegationResponseWriter delegationResponseWriter = getDelegationResponseWriter(facesContext, uiComponent);
    super.encodeMarkupBegin(facesContext, uiComponent, delegationResponseWriter);
  }

  @Override
  public void encodeMarkupEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException {

    // Finish the encoding of the hidden text input by delegating to the renderer from the JSF runtime.
    DelegationResponseWriter delegationResponseWriter = getDelegationResponseWriter(facesContext, uiComponent);
    super.encodeMarkupEnd(facesContext, uiComponent, delegationResponseWriter);

    // Finish the encoding of the outermost </div> element.
    ResponseWriter responseWriter = facesContext.getResponseWriter();
    responseWriter.endElement(StringPool.DIV);
  }

  @Override
  protected void encodeHiddenAttributes(FacesContext facesContext, ResponseWriter responseWriter,
    InputSourceCode inputSourceCode, boolean first) throws IOException {

    encodeWidgetRender(responseWriter, first);

    first = false;

    String boundingBox = getDefaultBoundingBoxClientId(facesContext, inputSourceCode);

    encodeClientId(responseWriter, AlloyRendererUtil.BOUNDING_BOX, boundingBox, first);
  }

  protected String getDefaultBoundingBoxClientId(FacesContext facesContext, UIComponent uiComponent) {
    char separatorChar = UINamingContainer.getSeparatorChar(facesContext);

    return uiComponent.getClientId(facesContext) + separatorChar + AlloyRendererUtil.BOUNDING_BOX;
  }

  @Override
  public String getDelegateComponentFamily() {
    return InputSourceCode.DELEGATE_COMPONENT_FAMILY;
  }

  @Override
  public String getDelegateRendererType() {
    return InputSourceCode.DELEGATE_RENDERER_TYPE;
  }

  public DelegationResponseWriter getDelegationResponseWriter(FacesContext facesContext, UIComponent uiComponent) {

    ResponseWriter responseWriter = facesContext.getResponseWriter();
    String hiddenInputClientId = getHiddenInputClientId(facesContext, uiComponent);

    return new HiddenTextResponseWriter(responseWriter, hiddenInputClientId);
  }

  protected String getHiddenInputClientId(FacesContext facesContext, UIComponent uiComponent) {
    char separatorChar = UINamingContainer.getSeparatorChar(facesContext);

    return uiComponent.getClientId(facesContext) + separatorChar + StringPool.HIDDEN;
  }
}
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