svn commit: r1200067 [2/2] - in /myfaces/core/trunk/shared/src/main/java/org/apache/myfaces/shared/renderkit/html: HtmlJavaScriptUtils.java HtmlRendererUtils.java JavascriptContext.java

[lu...@apache.org]

Added: myfaces/core/trunk/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/JavascriptContext.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/JavascriptContext.java?rev=1200067&view=auto
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--- myfaces/core/trunk/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/JavascriptContext.java (added)
+++ myfaces/core/trunk/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/JavascriptContext.java Thu Nov 10 00:50:00 2011
@@ -0,0 +1,160 @@
+/*
+ * 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;
+
+/**
+ * The ScriptContext offers methods and fields
+ * to help with rendering out a script and keeping a
+ * proper formatting.
+ */
+public class JavascriptContext
+{
+    private static final String LINE_SEPARATOR = System.getProperty(
+            "line.separator", "\r\n");
+    private static final char TABULATOR = '\t';
+
+    private long currentIndentationLevel;
+    private StringBuffer buffer = new StringBuffer();
+    private boolean prettyPrint = false;
+    /**
+     * automatic formatting will render
+     * new-lines and indents if blocks are opened
+     * and closed - attention: you need to append
+     * opening and closing brackets of blocks separately in this case!
+     */
+    private boolean automaticFormatting = true;
+
+    public JavascriptContext()
+    {
+
+    }
+
+    public JavascriptContext(boolean prettyPrint)
+    {
+        this.prettyPrint = prettyPrint;
+    }
+
+    public JavascriptContext(StringBuffer buf, boolean prettyPrint)
+    {
+        this.prettyPrint = prettyPrint;
+        this.buffer = buf;
+    }
+
+    public void increaseIndent()
+    {
+        currentIndentationLevel++;
+    }
+
+    public void decreaseIndent()
+    {
+        currentIndentationLevel--;
+
+        if (currentIndentationLevel < 0)
+        {
+            currentIndentationLevel = 0;
+        }
+    }
+
+    public void prettyLine()
+    {
+        if (prettyPrint)
+        {
+            append(LINE_SEPARATOR);
+
+            for (int i = 0; i < getCurrentIndentationLevel(); i++)
+            {
+                append(TABULATOR);
+            }
+        }
+    }
+
+    public void prettyLineIncreaseIndent()
+    {
+        increaseIndent();
+        prettyLine();
+    }
+
+    public void prettyLineDecreaseIndent()
+    {
+        decreaseIndent();
+        prettyLine();
+    }
+
+    public long getCurrentIndentationLevel()
+    {
+        return currentIndentationLevel;
+    }
+
+    public void setCurrentIndentationLevel(long currentIndentationLevel)
+    {
+        this.currentIndentationLevel = currentIndentationLevel;
+    }
+
+    public JavascriptContext append(String str)
+    {
+
+        if (automaticFormatting && str.length() == 1)
+        {
+            boolean openBlock = str.equals("{");
+            boolean closeBlock = str.equals("}");
+
+            if (openBlock)
+            {
+                prettyLine();
+            }
+            else if (closeBlock)
+            {
+                prettyLineDecreaseIndent();
+            }
+
+            buffer.append(str);
+
+            if (openBlock)
+            {
+                prettyLineIncreaseIndent();
+            }
+            else if (closeBlock)
+            {
+                prettyLine();
+            }
+        }
+        else
+        {
+            buffer.append(str);
+        }
+        return this;
+    }
+
+    public JavascriptContext append(char c)
+    {
+        buffer.append(c);
+        return this;
+    }
+
+    public JavascriptContext append(int i)
+    {
+        buffer.append(i);
+        return this;
+    }
+
+    public String toString()
+    {
+        return buffer.toString();
+    }
+}

Propchange: myfaces/core/trunk/shared/src/main/java/org/apache/myfaces/shared/renderkit/html/JavascriptContext.java
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