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Posted to commits@myfaces.apache.org by lu...@apache.org on 2010/04/27 06:20:19 UTC

svn commit: r938319 [3/3] - in /myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces: component/ component/html/ext/ custom/calendar/ custom/collapsiblepanel/ custom/column/ custom/datalist/ custom/date/ custom/div/ custom/layout/ custom/navi...

Added: myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/renderkit/html/ext/HtmlTextRenderer.java
URL: http://svn.apache.org/viewvc/myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/renderkit/html/ext/HtmlTextRenderer.java?rev=938319&view=auto
==============================================================================
--- myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/renderkit/html/ext/HtmlTextRenderer.java (added)
+++ myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/renderkit/html/ext/HtmlTextRenderer.java Tue Apr 27 04:20:18 2010
@@ -0,0 +1,300 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.myfaces.renderkit.html.ext;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.faces.component.UIComponent;
+import javax.faces.component.UIInput;
+import javax.faces.component.UIViewRoot;
+import javax.faces.component.behavior.ClientBehavior;
+import javax.faces.component.behavior.ClientBehaviorHolder;
+import javax.faces.component.html.HtmlOutputText;
+import javax.faces.context.FacesContext;
+import javax.faces.context.ResponseWriter;
+
+import org.apache.myfaces.component.UserRoleUtils;
+import org.apache.myfaces.component.html.ext.HtmlInputText;
+import org.apache.myfaces.shared_tomahawk.component.EscapeCapable;
+import org.apache.myfaces.shared_tomahawk.renderkit.JSFAttr;
+import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
+import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
+import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
+import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTextRendererBase;
+import org.apache.myfaces.shared_tomahawk.renderkit.html.util.JavascriptUtils;
+
+
+/**
+ * @JSFRenderer
+ *   renderKitId = "HTML_BASIC"
+ *   family = "javax.faces.Input"
+ *   type = "org.apache.myfaces.Text"
+ *   
+ * @JSFRenderer
+ *   renderKitId = "HTML_BASIC"
+ *   family = "javax.faces.Output"
+ *   type = "org.apache.myfaces.Text"
+ * 
+ * @author Manfred Geiler (latest modification by $Author: lu4242 $)
+ * @version $Revision: 659874 $ $Date: 2008-05-24 15:59:15 -0500 (sáb, 24 may 2008) $
+ */
+public class HtmlTextRenderer
+        extends HtmlTextRendererBase
+{
+    private static final String ONCHANGE_PREFIX = "onChange_";
+    private static final String HIDDEN_SUFFIX   = "_hidden";
+     
+    //private static final Log log = LogFactory.getLog(HtmlTextRenderer.class);
+    private static final Logger log = Logger.getLogger(HtmlTextRenderer.class.getName());
+    
+    protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)
+    {
+        if (!UserRoleUtils.isEnabledOnUserRole(uiComponent))
+        {
+            return true;
+        }
+        else
+        {
+            return super.isDisabled(facesContext, uiComponent);
+        }
+    }
+    /**
+     *
+     */
+    protected boolean isDisabledOnClientSide(FacesContext facesContext, UIComponent component)
+    {
+        if (component instanceof HtmlInputText)
+        {
+            return ((HtmlInputText)component).isDisabledOnClientSide();
+        }
+        
+        return false;
+    }      
+
+    public void encodeEnd(FacesContext facesContext, UIComponent component)
+        throws IOException
+    {
+        if (HtmlRendererUtils.isDisplayValueOnly(component))
+        {
+            renderInputValueOnly(facesContext, component);
+        }
+        else
+        {
+            renderNormal(facesContext, component);
+        }
+    }
+    
+    @Override
+    protected void renderOutput(FacesContext facesContext, UIComponent component)
+        throws IOException
+    {
+        String text = org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.getStringValue(facesContext, component);
+        if (log.isLoggable(Level.FINE)) log.fine("renderOutput '" + text + "'");
+        boolean escape;
+        if (component instanceof HtmlOutputText || component instanceof EscapeCapable)
+        {
+            escape = ((HtmlOutputText)component).isEscape();
+        }
+        else
+        {
+            escape = RendererUtils.getBooleanAttribute(component, org.apache.myfaces.shared_tomahawk.renderkit.JSFAttr.ESCAPE_ATTR,
+                                                       true); //default is to escape
+        }
+
+        if (text != null)
+        {
+            ResponseWriter writer = facesContext.getResponseWriter();
+            boolean span = false;
+
+            Map<String, List<ClientBehavior>> behaviors = null;
+            if (component instanceof ClientBehaviorHolder)
+            {
+                behaviors = ((ClientBehaviorHolder) component).getClientBehaviors();
+            }
+            
+            if (behaviors != null && !behaviors.isEmpty())
+            {
+                span = true;
+                writer.startElement(HTML.SPAN_ELEM, component);
+                writer.writeAttribute(HTML.ID_ATTR, component.getClientId(facesContext),null);
+                HtmlRendererUtils.renderHTMLAttributes(writer, component, HTML.UNIVERSAL_ATTRIBUTES);
+                HtmlRendererUtils.renderBehaviorizedEventHandlers(facesContext, writer, component, behaviors);
+            }
+            else
+            {
+                if(component.getId()!=null && !component.getId().startsWith(UIViewRoot.UNIQUE_ID_PREFIX))
+                {
+                    span = true;
+    
+                    writer.startElement(HTML.SPAN_ELEM, component);
+    
+                    HtmlRendererUtils.writeIdIfNecessary(writer, component, facesContext);
+    
+                    HtmlRendererUtils.renderHTMLAttributes(writer, component, HTML.COMMON_PASSTROUGH_ATTRIBUTES);
+    
+                }
+                else
+                {
+                    span = HtmlRendererUtils.renderHTMLAttributesWithOptionalStartElement(writer,component,
+                            HTML.SPAN_ELEM,HTML.COMMON_PASSTROUGH_ATTRIBUTES);
+                }
+            }
+
+            if (escape)
+            {
+                Logger log = Logger.getLogger(HtmlTextRendererBase.class.getName());
+                if (log.isLoggable(Level.FINE)) log.fine("renderOutputText writing '" + text + "'");
+                writer.writeText(text, org.apache.myfaces.shared_tomahawk.renderkit.JSFAttr.VALUE_ATTR);
+            }
+            else
+            {
+                writer.write(text);
+            }
+
+            if(span)
+            {
+                writer.endElement(org.apache.myfaces.shared_tomahawk.renderkit.html.HTML.SPAN_ELEM);
+            }
+        }
+    }
+    
+    @Override
+    protected void renderInput(FacesContext facesContext, UIComponent component) throws IOException 
+    {
+        if (!isDisabledOnClientSide(facesContext, component) || isDisabled(facesContext, component))
+        {
+            super.renderInput(facesContext, component);
+            return;
+        }               
+        
+        //render the input component as if it was disabled
+        ResponseWriter writer = facesContext.getResponseWriter();
+
+        String clientId = component.getClientId(facesContext);
+        String value = RendererUtils.getStringValue(facesContext, component);
+
+        writer.startElement(HTML.INPUT_ELEM, component);
+        writer.writeAttribute(HTML.ID_ATTR, clientId, null);
+        writer.writeAttribute(HTML.NAME_ATTR, clientId, null);
+        writer.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_TEXT, null);
+        if (value != null)
+        {
+            writer.writeAttribute(HTML.VALUE_ATTR, value, JSFAttr.VALUE_ATTR);
+        }
+
+        HtmlRendererUtils.renderHTMLAttributes(writer, component, HTML.INPUT_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED);
+        //render as disabled on the client side
+        writer.writeAttribute(HTML.DISABLED_ATTR, Boolean.TRUE, null);
+        //render the JS function that will change the hidden input field's value when his changes        
+        writer.writeAttribute(HTML.ONCHANGE_ATTR, getOnChangeFunctionName(clientId)+"();", null);
+        
+        writer.endElement(HTML.INPUT_ELEM);
+        
+        //render the hidden input field that will hold this component's value
+        renderHiddenInput(facesContext, (UIInput)component);
+    }    
+    /**
+     *
+     */
+    protected void renderHiddenInput(FacesContext facesContext, UIComponent component) throws IOException
+    {
+        ResponseWriter writer = facesContext.getResponseWriter();
+        
+        String disabledInputClientId = component.getClientId(facesContext);
+        
+        HtmlRendererUtils.writePrettyLineSeparator(facesContext);
+        
+        writer.startElement(HTML.SCRIPT_ELEM, null);
+        writer.writeAttribute(HTML.SCRIPT_TYPE_ATTR, HTML.SCRIPT_TYPE_TEXT_JAVASCRIPT, null);                        
+        writer.writeText(createOnChangeListenerJS(disabledInputClientId), null);        
+        writer.endElement(HTML.SCRIPT_ELEM);
+        
+        HtmlRendererUtils.writePrettyLineSeparator(facesContext);  
+        
+        writer.startElement(HTML.INPUT_ELEM, null);
+        writer.writeAttribute(HTML.ID_ATTR, disabledInputClientId + HIDDEN_SUFFIX, null);
+        writer.writeAttribute(HTML.NAME_ATTR, disabledInputClientId + HIDDEN_SUFFIX, null);
+        writer.writeAttribute(HTML.VALUE_ATTR, RendererUtils.getStringValue(facesContext, component), null);
+        writer.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_HIDDEN, null);        
+        writer.endElement(HTML.INPUT_ELEM);
+        
+        HtmlRendererUtils.writePrettyLineSeparator(facesContext);       
+    }
+
+    protected void renderInputValueOnly(FacesContext facesContext, UIComponent component)
+        throws IOException
+    {
+            HtmlRendererUtils.renderDisplayValueOnly(facesContext,
+                                                     (UIInput) component);
+    }
+
+    protected void renderNormal(FacesContext facesContext, UIComponent component)
+        throws IOException
+    {
+            super.encodeEnd(facesContext, component);
+    }    
+    
+    /**
+     *
+     */ 
+    protected String getOnChangeFunctionName(String inputDisabledClientId)
+    {
+        StringBuffer buf = new StringBuffer();
+        buf.append(ONCHANGE_PREFIX);
+        buf.append(JavascriptUtils.getValidJavascriptName(inputDisabledClientId, true));
+        
+        return buf.toString();
+    }     
+    /**
+     *
+     */
+    protected String createOnChangeListenerJS(String inputDisabledClientId)
+    {
+        StringBuffer script = new StringBuffer();
+        script.append("function ");
+        script.append(getOnChangeFunctionName(inputDisabledClientId));            
+        script.append("() {\n");                
+        script.append("var hiddenInput = document.getElementById(\"").append(inputDisabledClientId + HIDDEN_SUFFIX).append("\");\n");
+        script.append("var disabledInput = document.getElementById(\"").append(inputDisabledClientId).append("\");\n");
+        script.append("hiddenInput.value=disabledInput.value;\n");        
+        script.append("}\n");        
+        
+        return script.toString();
+    }
+
+    public void decode(FacesContext facesContext, UIComponent component) 
+    {        
+        if (isDisabledOnClientSide(facesContext, component) && !isDisabled(facesContext, component))
+        {            
+            //in this case we don't need to check the request parameters validity, 
+            //the submitted value comes from the hidden input field
+            Map paramValuesMap = facesContext.getExternalContext().getRequestParameterMap();            
+            Object reqValue = paramValuesMap.get(component.getClientId(facesContext) + HIDDEN_SUFFIX);  
+                       
+            ((UIInput)component).setSubmittedValue(reqValue); 
+            return;
+        }
+        
+        super.decode(facesContext, component);        
+    }
+}