You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@myfaces.apache.org by lu...@apache.org on 2011/11/10 01:50:15 UTC
svn commit: r1200068 [1/3] - in
/myfaces/core/branches/2.0.x/shared/src/main/java/org/apache/myfaces/shared/renderkit/html:
HtmlJavaScriptUtils.java HtmlRendererUtils.java JavascriptContext.java
Author: lu4242
Date: Thu Nov 10 00:50:14 2011
New Revision: 1200068
URL: http://svn.apache.org/viewvc?rev=1200068&view=rev
Log:
MYFACES-3368 enable 'standard' checkstyle checks in myfaces-core
Added:
myfaces/core/branches/2.0.x/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/HtmlJavaScriptUtils.java (with props)
myfaces/core/branches/2.0.x/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/JavascriptContext.java (with props)
Modified:
myfaces/core/branches/2.0.x/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/HtmlRendererUtils.java
Added: myfaces/core/branches/2.0.x/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/HtmlJavaScriptUtils.java
URL: http://svn.apache.org/viewvc/myfaces/core/branches/2.0.x/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/HtmlJavaScriptUtils.java?rev=1200068&view=auto
==============================================================================
--- myfaces/core/branches/2.0.x/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/HtmlJavaScriptUtils.java (added)
+++ myfaces/core/branches/2.0.x/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/HtmlJavaScriptUtils.java Thu Nov 10 00:50:14 2011
@@ -0,0 +1,756 @@
+/*
+ * 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.shared.renderkit.html;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+import java.util.logging.Logger;
+
+import javax.faces.component.UINamingContainer;
+import javax.faces.context.ExternalContext;
+import javax.faces.context.FacesContext;
+import javax.faces.context.ResponseWriter;
+
+import org.apache.myfaces.shared.config.MyfacesConfig;
+import org.apache.myfaces.shared.renderkit.html.HtmlRendererUtils.ScriptContext;
+import org.apache.myfaces.shared.renderkit.html.util.JavascriptUtils;
+import org.apache.myfaces.shared.renderkit.html.util.ResourceUtils;
+
+public final class HtmlJavaScriptUtils
+{
+ private static final Logger log = Logger.getLogger(HtmlJavaScriptUtils.class
+ .getName());
+
+ private static final String AUTO_SCROLL_PARAM = "autoScroll";
+ private static final String AUTO_SCROLL_FUNCTION = "getScrolling";
+
+ private static final String SET_HIDDEN_INPUT_FN_NAME = "oamSetHiddenInput";
+ private static final String SET_HIDDEN_INPUT_FN_NAME_JSF2 = "myfaces.oam.setHiddenInput";
+
+ private static final String FIRST_SUBMIT_SCRIPT_ON_PAGE = "org.apache.MyFaces.FIRST_SUBMIT_SCRIPT_ON_PAGE";
+ private static final String CLEAR_HIDDEN_INPUT_FN_NAME = "oamClearHiddenInput";
+
+
+ @SuppressWarnings("unchecked")
+ public static void renderFormSubmitScript(FacesContext facesContext)
+ throws IOException
+ {
+
+ Map map = facesContext.getExternalContext().getRequestMap();
+ Boolean firstScript = (Boolean) map.get(FIRST_SUBMIT_SCRIPT_ON_PAGE);
+
+ if (firstScript == null || firstScript.equals(Boolean.TRUE))
+ {
+ map.put(FIRST_SUBMIT_SCRIPT_ON_PAGE, Boolean.FALSE);
+ renderFormSubmitScriptIfNecessary(facesContext);
+
+ //we have to render the config just in case
+ renderConfigOptionsIfNecessary(facesContext);
+ }
+ }
+
+ /**
+ * @param facesContext
+ * @throws IOException
+ */
+ private static void renderFormSubmitScriptIfNecessary(
+ FacesContext facesContext) throws IOException
+ {
+ final ExternalContext externalContext = facesContext
+ .getExternalContext();
+ final MyfacesConfig currentInstance = MyfacesConfig
+ .getCurrentInstance(externalContext);
+ ResponseWriter writer = facesContext.getResponseWriter();
+
+ if (currentInstance.isRenderFormSubmitScriptInline())
+ {
+ writer.startElement(HTML.SCRIPT_ELEM, null);
+ writer.writeAttribute(HTML.TYPE_ATTR, "text/javascript", null);
+
+ boolean autoScroll = currentInstance.isAutoScroll();
+
+ ScriptContext context = new ScriptContext(
+ currentInstance.isPrettyHtml());
+ context.prettyLine();
+ context.increaseIndent();
+
+ prepareScript(facesContext, context, autoScroll);
+
+ writer.writeText(context.toString(), null);
+
+ writer.endElement(HTML.SCRIPT_ELEM);
+ }
+ else
+ {
+ ResourceUtils
+ .renderMyfacesJSInlineIfNecessary(facesContext, writer);
+ }
+ }
+
+ private static void renderConfigOptionsIfNecessary(FacesContext facesContext)
+ throws IOException
+ {
+ ResponseWriter writer = facesContext.getResponseWriter();
+ MyfacesConfig config = MyfacesConfig.getCurrentInstance(facesContext
+ .getExternalContext());
+ ScriptContext script = new ScriptContext(config.isPrettyHtml());
+ boolean autoScroll = config.isAutoScroll();
+ boolean autoSave = JavascriptUtils.isSaveFormSubmitLinkIE(facesContext
+ .getExternalContext());
+
+ if (autoScroll || autoSave)
+ {
+ script.prettyLine();
+ script.increaseIndent();
+ script.append("(!window.myfaces) ? window.myfaces = {} : null;");
+ script.append("(!myfaces.core) ? myfaces.core = {} : null;");
+ script.append("(!myfaces.core.config) ? myfaces.core.config = {} : null;");
+ }
+
+ if (autoScroll)
+ {
+ script.append("myfaces.core.config.autoScroll = true;");
+ }
+ if (autoSave)
+ {
+ script.append("myfaces.core.config.ieAutoSave = true;");
+ }
+ if (autoScroll || autoSave)
+ {
+ writer.startElement(HTML.SCRIPT_ELEM, null);
+ writer.writeAttribute(HTML.TYPE_ATTR, "text/javascript", null);
+ writer.writeText(script.toString(), null);
+ writer.endElement(HTML.SCRIPT_ELEM);
+ }
+ }
+ /**
+ * @param facesContext
+ * @param context
+ * @param autoScroll
+ */
+ private static void prepareScript(FacesContext facesContext,
+ ScriptContext context, boolean autoScroll)
+ {
+
+ final char separatorChar = UINamingContainer
+ .getSeparatorChar(facesContext);
+ context.prettyLine();
+
+ //render a function to create a hidden input, if it doesn't exist
+ context.append("function ");
+ context.append(SET_HIDDEN_INPUT_FN_NAME).append(
+ "(formname, name, value)");
+ context.append("{");
+ context.append("var form = document.forms[formname];");
+ context.prettyLine();
+ context.append("if (typeof form == 'undefined')");
+ context.append("{");
+ context.append("form = document.getElementById(formname);");
+ context.append("}");
+ context.prettyLine();
+ context.append("if(typeof form.elements[name]!='undefined' && "+
+ "(form.elements[name].nodeName=='INPUT' || form.elements[name].nodeName=='input'))");
+ context.append("{");
+ context.append("form.elements[name].value=value;");
+ context.append("}");
+ context.append("else");
+ context.append("{");
+ context.append("var newInput = document.createElement('input');");
+ context.prettyLine();
+ context.append("newInput.setAttribute('type','hidden');");
+ context.prettyLine();
+ context.append("newInput.setAttribute('id',name);"); // IE hack; See MYFACES-1805
+ context.prettyLine();
+ context.append("newInput.setAttribute('name',name);");
+ context.prettyLine();
+ context.append("newInput.setAttribute('value',value);");
+ context.prettyLine();
+ context.append("form.appendChild(newInput);");
+ context.append("}");
+
+ context.append("}");
+
+ context.prettyLine();
+
+ context.prettyLine();
+
+ //render a function to clear a hidden input, if it exists
+ context.append("function ");
+ context.append(CLEAR_HIDDEN_INPUT_FN_NAME).append(
+ "(formname, name, value)");
+ context.append("{");
+ context.append("var form = document.forms[formname];");
+ context.prettyLine();
+ context.append("if (typeof form == 'undefined')");
+ context.append("{");
+ context.append("form = document.getElementById(formname);");
+ context.append("}");
+ context.prettyLine();
+ context.append("var hInput = form.elements[name];");
+ context.prettyLine();
+ context.append("if(typeof hInput !='undefined')");
+ context.append("{");
+ //context.append("form.elements[name].value=null;");
+ context.append("form.removeChild(hInput);");
+ context.append("}");
+
+ context.append("}");
+
+ context.prettyLine();
+
+ context.append("function ");
+ context.append(HtmlRendererUtils.SUBMIT_FORM_FN_NAME).append(
+ "(formName, linkId, target, params)");
+ context.append("{");
+
+ //call the script to clear the form (clearFormHiddenParams_<formName>) method -
+ //optionally, only necessary for IE5.5.
+ //todo: if IE5.5. is ever desupported, we can get rid of this and instead rely on
+ //the last part of this script to
+ //clear the parameters
+ appendClearHiddenCommandFormParamsFunctionCall(
+ context, null);
+
+ if (autoScroll)
+ {
+ appendAutoScrollAssignment(facesContext, context, null);
+ }
+
+ context.prettyLine();
+
+ context.append("var form = document.forms[formName];");
+ context.prettyLine();
+ context.append("if (typeof form == 'undefined')");
+ context.append("{");
+ context.append("form = document.getElementById(formName);");
+ context.append("}");
+ context.prettyLine();
+
+ if (JavascriptUtils.isSaveFormSubmitLinkIE(FacesContext
+ .getCurrentInstance().getExternalContext()))
+ {
+ context.append("var agentString = navigator.userAgent.toLowerCase();");
+ context.prettyLine();
+ //context.append("var isIE = false;");
+ context.prettyLine();
+ context.append("if (agentString.indexOf('msie') != -1)");
+
+ context.append("{");
+ context.append("if (!(agentString.indexOf('ppc') != -1 &&"+
+ " agentString.indexOf('windows ce') != -1 && version >= 4.0))");
+ context.append("{");
+ context.append("window.external.AutoCompleteSaveForm(form);");
+ // context.append("isIE = false;");
+ context.append("}");
+ // context.append("else");
+ // context.append("{");
+ // context.append("isIE = true;");
+ // context.prettyLine();
+ // context.append("}");
+
+ context.append("}");
+
+ context.prettyLine();
+ }
+ //set the target (and save it). This should be done always,
+ //and the default value of target is always valid.
+ context.append("var oldTarget = form.target;");
+ context.prettyLine();
+ context.append("if(target != null)");
+ context.append("{");
+ context.prettyLine();
+ context.append("form.target=target;");
+ context.append("}");
+
+ //set the submit parameters
+
+ context.append("if((typeof params!='undefined') && params != null)");
+ context.append("{");
+ context.prettyLine();
+ context.append("for(var i=0, param; (param = params[i]); i++)");
+ context.append("{");
+ context.append(SET_HIDDEN_INPUT_FN_NAME).append(
+ "(formName,param[0], param[1]);");
+ context.append("}");
+ context.append("}");
+
+ context.prettyLine();
+
+ context.append(SET_HIDDEN_INPUT_FN_NAME);
+ context.append("(formName,formName +'" + separatorChar + "'+'"
+ + HtmlRendererUtils.HIDDEN_COMMANDLINK_FIELD_NAME
+ + "',linkId);");
+
+ context.prettyLine();
+ context.prettyLine();
+
+ //do the actual submit calls
+
+ context.append("if(form.onsubmit)");
+ context.append("{");
+ context.append("var result=form.onsubmit();");
+ context.prettyLine();
+ context.append("if((typeof result=='undefined')||result)");
+ context.append("{");
+ context.append("try");
+ context.append("{");
+ context.append("form.submit();");
+ context.append("}");
+ context.append("catch(e){}");
+ context.append("}");
+ context.append("}");
+ context.append("else ");
+ context.append("{");
+ context.append("try");
+ context.append("{");
+ context.append("form.submit();");
+ context.append("}");
+ context.append("catch(e){}");
+ context.append("}");
+
+ //reset the target
+ context.prettyLine();
+ //Restore the old target, no more questions asked
+ context.append("form.target=oldTarget;");
+ context.prettyLine();
+
+ //clear the individual parameters - to make sure that even if the clear-function isn't called,
+ // the back button/resubmit functionality will still work in all browsers except IE 5.5.
+
+ context.append("if((typeof params!='undefined') && params != null)");
+ context.append("{");
+ context.prettyLine();
+ context.append("for(var i=0, param; (param = params[i]); i++)");
+ context.append("{");
+ context.append(CLEAR_HIDDEN_INPUT_FN_NAME).append(
+ "(formName,param[0], param[1]);");
+ context.append("}");
+ context.append("}");
+
+ context.prettyLine();
+
+ context.append(CLEAR_HIDDEN_INPUT_FN_NAME);
+ context.append("(formName,formName +'" + separatorChar + "'+'"
+ + HtmlRendererUtils.HIDDEN_COMMANDLINK_FIELD_NAME
+ + "',linkId);");
+
+ //return false, so that browser does not handle the click
+ context.append("return false;");
+ context.append("}");
+
+ context.prettyLineDecreaseIndent();
+ }
+
+ public static void appendAutoScrollAssignment(StringBuffer onClickValue,
+ String formName)
+ {
+ appendAutoScrollAssignment(FacesContext.getCurrentInstance(),
+ new ScriptContext(onClickValue, false), formName);
+ }
+
+ /**
+ * Adds the hidden form input value assignment that is necessary for the autoscroll
+ * feature to an html link or button onclick attribute.
+ */
+ public static void appendAutoScrollAssignment(FacesContext context,
+ StringBuffer onClickValue, String formName)
+ {
+ appendAutoScrollAssignment(context, new ScriptContext(onClickValue,
+ false), formName);
+ }
+
+ private static void appendAutoScrollAssignment(FacesContext context,
+ ScriptContext scriptContext, String formName)
+ {
+ String formNameStr = formName == null ? "formName" : (new StringBuffer(
+ "'").append(formName).append("'").toString());
+ String paramName = new StringBuffer().append("'")
+ .append(AUTO_SCROLL_PARAM).append("'").toString();
+ String value = new StringBuffer().append(AUTO_SCROLL_FUNCTION)
+ .append("()").toString();
+
+ scriptContext.prettyLine();
+ scriptContext.append("if(typeof window." + AUTO_SCROLL_FUNCTION
+ + "!='undefined')");
+ scriptContext.append("{");
+ if (MyfacesConfig.getCurrentInstance(context.getExternalContext())
+ .isRenderFormSubmitScriptInline())
+ {
+ scriptContext.append(SET_HIDDEN_INPUT_FN_NAME);
+ }
+ else
+ {
+ scriptContext.append(SET_HIDDEN_INPUT_FN_NAME_JSF2);
+ }
+ scriptContext.append("(").append(formNameStr).append(",")
+ .append(paramName).append(",").append(value).append(");");
+ scriptContext.append("}");
+
+ }
+
+ public static String getAutoScrollFunction(FacesContext facesContext)
+ {
+ ScriptContext script = new ScriptContext(MyfacesConfig
+ .getCurrentInstance(facesContext.getExternalContext())
+ .isPrettyHtml());
+
+ script.prettyLineIncreaseIndent();
+
+ script.append("function ");
+ script.append(AUTO_SCROLL_FUNCTION);
+ script.append("()");
+ script.append("{");
+ script.append("var x = 0; var y = 0;");
+ script.append("if (self.pageXOffset || self.pageYOffset)");
+ script.append("{");
+ script.append("x = self.pageXOffset;");
+ script.prettyLine();
+ script.append("y = self.pageYOffset;");
+ script.append("}");
+ script.append(" else if ((document.documentElement && document.documentElement.scrollLeft)||"+
+ "(document.documentElement && document.documentElement.scrollTop))");
+ script.append("{");
+ script.append("x = document.documentElement.scrollLeft;");
+ script.prettyLine();
+ script.append("y = document.documentElement.scrollTop;");
+ script.append("}");
+ script.append(" else if (document.body) ");
+ script.append("{");
+ script.append("x = document.body.scrollLeft;");
+ script.prettyLine();
+ script.append("y = document.body.scrollTop;");
+ script.append("}");
+ script.append("return x + \",\" + y;");
+ script.append("}");
+
+ ExternalContext externalContext = facesContext.getExternalContext();
+ String oldViewId = JavascriptUtils.getOldViewId(externalContext);
+ if (oldViewId != null
+ && oldViewId.equals(facesContext.getViewRoot().getViewId()))
+ {
+ //ok, we stayed on the same page, so let's scroll it to the former place
+ String scrolling = (String) externalContext
+ .getRequestParameterMap().get(AUTO_SCROLL_PARAM);
+ if (scrolling != null && scrolling.length() > 0)
+ {
+ int x = 0;
+ int y = 0;
+ int comma = scrolling.indexOf(',');
+ if (comma == -1)
+ {
+ log.warning("Illegal autoscroll request parameter: "
+ + scrolling);
+ }
+ else
+ {
+ try
+ {
+ //we convert to int against XSS vulnerability
+ x = Integer.parseInt(scrolling.substring(0, comma));
+ }
+ catch (NumberFormatException e)
+ {
+ log.warning("Error getting x offset for autoscroll feature. Bad param value: "
+ + scrolling);
+ x = 0; //ignore false numbers
+ }
+
+ try
+ {
+ //we convert to int against XSS vulnerability
+ y = Integer.parseInt(scrolling.substring(comma + 1));
+ }
+ catch (NumberFormatException e)
+ {
+ log.warning("Error getting y offset for autoscroll feature. Bad param value: "
+ + scrolling);
+ y = 0; //ignore false numbers
+ }
+ }
+ script.append("window.scrollTo(").append(x).append(",")
+ .append(y).append(");\n");
+ }
+ }
+
+ return script.toString();
+ }
+
+ /**
+ * Renders the hidden form input that is necessary for the autoscroll feature.
+ */
+ public static void renderAutoScrollHiddenInput(FacesContext facesContext,
+ ResponseWriter writer) throws IOException
+ {
+ HtmlRendererUtils.writePrettyLineSeparator(facesContext);
+ writer.startElement(HTML.INPUT_ELEM, null);
+ writer.writeAttribute(HTML.TYPE_ATTR, "hidden", null);
+ writer.writeAttribute(HTML.NAME_ATTR, AUTO_SCROLL_PARAM, null);
+ writer.endElement(HTML.INPUT_ELEM);
+ HtmlRendererUtils.writePrettyLineSeparator(facesContext);
+ }
+
+ /**
+ * Renders the autoscroll javascript function.
+ */
+ public static void renderAutoScrollFunction(FacesContext facesContext,
+ ResponseWriter writer) throws IOException
+ {
+ HtmlRendererUtils.writePrettyLineSeparator(facesContext);
+ writer.startElement(HTML.SCRIPT_ELEM, null);
+ writer.writeAttribute(HTML.SCRIPT_TYPE_ATTR,
+ HTML.SCRIPT_TYPE_TEXT_JAVASCRIPT, null);
+ writer.writeText(getAutoScrollFunction(facesContext), null);
+ writer.endElement(HTML.SCRIPT_ELEM);
+ HtmlRendererUtils.writePrettyLineSeparator(facesContext);
+ }
+
+ public static void appendClearHiddenCommandFormParamsFunctionCall(
+ StringBuffer buf, String formName)
+ {
+ appendClearHiddenCommandFormParamsFunctionCall(new ScriptContext(buf,
+ false), formName);
+ }
+
+ private static void appendClearHiddenCommandFormParamsFunctionCall(
+ ScriptContext context, String formName)
+ {
+ String functionName = HtmlRendererUtils
+ .getClearHiddenCommandFormParamsFunctionName(formName);
+ if (formName == null)
+ {
+ context.prettyLine();
+ context.append("var clearFn = ");
+ context.append(functionName);
+ context.append(";");
+ context.prettyLine();
+ context.append("if(typeof window[clearFn] =='function')");
+ context.append("{");
+ context.append("window[clearFn](formName);");
+ context.append("}");
+ }
+ else
+ {
+ context.prettyLine();
+ context.append("if(typeof window.");
+ context.append(functionName);
+ context.append("=='function')");
+ context.append("{");
+ context.append(functionName).append("('").append(formName)
+ .append("');");
+ context.append("}");
+ }
+ }
+
+ /**
+ * Prefixes the given String with "clear_" and removes special characters
+ *
+ * @param formName
+ * @return String
+ */
+ public static String getClearHiddenCommandFormParamsFunctionName(
+ String formName)
+ {
+ final char separatorChar = UINamingContainer
+ .getSeparatorChar(FacesContext.getCurrentInstance());
+ if (formName == null)
+ {
+ return "'" + HtmlRendererUtils.CLEAR_HIDDEN_FIELD_FN_NAME
+ + "_'+formName.replace(/-/g, '\\$" + separatorChar
+ + "').replace(/" + separatorChar + "/g,'_')";
+ }
+
+ return JavascriptUtils
+ .getValidJavascriptNameAsInRI(HtmlRendererUtils.CLEAR_HIDDEN_FIELD_FN_NAME + "_"
+ + formName.replace(separatorChar, '_'));
+ }
+
+ public static String getClearHiddenCommandFormParamsFunctionNameMyfacesLegacy(
+ String formName)
+ {
+ return "clear_"
+ + JavascriptUtils.getValidJavascriptName(formName, false);
+ }
+
+ /**
+ * Render the javascript function that is called on a click on a commandLink
+ * to clear the hidden inputs. This is necessary because on a browser back,
+ * each hidden input still has it's old value (browser cache!) and therefore
+ * a new submit would cause the according action once more!
+ *
+ * @param writer
+ * @param formName
+ * @param dummyFormParams
+ * @param formTarget
+ * @throws IOException
+ */
+ public static void renderClearHiddenCommandFormParamsFunction(
+ ResponseWriter writer, String formName, Set dummyFormParams,
+ String formTarget) throws IOException
+ {
+ //render the clear hidden inputs javascript function
+ String functionName = getClearHiddenCommandFormParamsFunctionName(formName);
+ writer.startElement(HTML.SCRIPT_ELEM, null);
+ writer.writeAttribute(HTML.TYPE_ATTR, "text/javascript", null);
+
+ // Using writeComment instead of write with <!-- tag
+ StringBuffer script = new StringBuffer();
+ script.append("function ");
+ script.append(functionName);
+ script.append("() {");
+ if (dummyFormParams != null)
+ {
+ script.append("\n var f = document.forms['");
+ script.append(formName);
+ script.append("'];");
+ int i = 0;
+ for (Iterator it = dummyFormParams.iterator(); it.hasNext();)
+ {
+ String elemVarName = "elem" + i;
+ script.append("\n var ").append(elemVarName).append(" = ");
+ script.append("f.elements['").append((String) it.next())
+ .append("'];");
+ script.append("\n if(typeof ").append(elemVarName)
+ .append(" !='undefined' && ");
+ script.append(elemVarName).append(".nodeName=='INPUT'){");
+ script.append("\n if (").append(elemVarName)
+ .append(".value != '') {");
+ script.append("\n " + elemVarName + ".value='';");
+ script.append("\n }");
+ script.append("\n }");
+ i++;
+ }
+ }
+ // clear form target
+ script.append("\n f.target=");
+ if (formTarget == null || formTarget.length() == 0)
+ {
+ //Normally one would think that setting target to null has the
+ //desired effect, but once again IE is different...
+ //Setting target to null causes IE to open a new window!
+ script.append("'';");
+ }
+ else
+ {
+ script.append("'");
+ script.append(formTarget);
+ script.append("';");
+ }
+ script.append("\n}");
+
+ //Just to be sure we call this clear method on each load.
+ //Otherwise in the case, that someone submits a form by pressing Enter
+ //within a text input, the hidden inputs won't be cleared!
+ script.append("\n");
+ script.append(functionName);
+ script.append("();");
+
+ writer.writeText(script.toString(), null);
+ writer.endElement(HTML.SCRIPT_ELEM);
+ }
+
+ /**
+ * This function correctly escapes the given JavaScript code
+ * for the use in the jsf.util.chain() JavaScript function.
+ * It also handles double-escaping correclty.
+ *
+ * @param javaScript
+ * @return
+ */
+ public static String escapeJavaScriptForChain(String javaScript)
+ {
+ // first replace \' with \\'
+ //String escaped = StringUtils.replace(javaScript, "\\'", "\\\\'");
+
+ // then replace ' with \'
+ // (this will replace every \' in the original to \\\')
+ //escaped = StringUtils.replace(escaped, '\'', "\\'");
+
+ //return escaped;
+
+ StringBuffer out = null;
+ for (int pos = 0; pos < javaScript.length(); pos++)
+ {
+ char c = javaScript.charAt(pos);
+
+ if (c == '\\' || c == '\'')
+ {
+ if (out == null)
+ {
+ out = new StringBuffer(javaScript.length() + 8);
+ if (pos > 0)
+ {
+ out.append(javaScript, 0, pos);
+ }
+ }
+ out.append('\\');
+ }
+ if (out != null)
+ {
+ out.append(c);
+ }
+ }
+
+ if (out == null)
+ {
+ return javaScript;
+ }
+ else
+ {
+ return out.toString();
+ }
+ }
+
+ public static void renderViewStateJavascript(FacesContext facesContext,
+ String hiddenId, String serializedState) throws IOException
+ {
+ ResponseWriter writer = facesContext.getResponseWriter();
+
+ writer.startElement(HTML.SCRIPT_ELEM, null);
+ writer.writeAttribute(HTML.TYPE_ATTR, "text/javascript", null);
+
+ final ExternalContext externalContext = facesContext
+ .getExternalContext();
+ final MyfacesConfig currentInstance = MyfacesConfig
+ .getCurrentInstance(externalContext);
+
+ ScriptContext context = new ScriptContext(
+ currentInstance.isPrettyHtml());
+ context.prettyLine();
+ context.increaseIndent();
+
+ context.append("function setViewState() {\n");
+ context.append("\tvar state = '");
+ context.append(serializedState);
+ context.append("';\n");
+ context.append("\tfor (var i = 0; i < document.forms.length; i++) {\n");
+ context.append("\t\tdocument.forms[i]['" + hiddenId
+ + "'].value = state;\n");
+ context.append("\t}\n");
+ context.append("}\n");
+ context.append("setViewState();\n");
+
+ context.decreaseIndent();
+
+ writer.writeText(context.toString(), null);
+
+ writer.endElement(HTML.SCRIPT_ELEM);
+ }
+}
Propchange: myfaces/core/branches/2.0.x/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/HtmlJavaScriptUtils.java
------------------------------------------------------------------------------
svn:eol-style = native