improved codetemplate wizards; new html tag wizards

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / wizards / html / ElementWriter.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/wizards/html/ElementWriter.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/wizards/html/ElementWriter.java
new file mode 100644 (file)
index 0000000..8163410
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/wizards/html/ElementWriter.java
@@ -0,0 +1,133 @@
+/*
+ * $Id: ElementWriter.java,v 1.1 2004-10-05 20:51:57 jsurfer Exp $
+ * Copyright Narushima Hironori. All rights reserved.
+ */
+package net.sourceforge.phpeclipse.wizards.html;
+
+import java.io.*;
+import java.util.HashMap;
+
+import org.w3c.dom.*;
+
+/**
+ * ElementWriter provides destribute xml code.
+ */
+public class ElementWriter {
+
+       final public static int
+               BEGIN_CHANGELINE = 1,
+               END_CHANGELINE = 2;
+       
+       boolean trim = true;
+       HashMap expandOptions = new HashMap();
+       int defaultExpandOption;
+       String indent;
+       
+       public ElementWriter() {
+               this(0, "  ");
+       }
+       
+       public ElementWriter(int defaultExpandOption, String indent) {
+               this.defaultExpandOption = defaultExpandOption;
+               this.indent = indent;
+       }
+
+       public void setExpandOption(String elementName, int value){
+               expandOptions.put(elementName, new Integer(value));
+       }
+       
+       public int getExpandOption(String elementName){
+               if( expandOptions.containsKey(elementName)){
+                       return ((Integer)expandOptions.get(elementName)).intValue();
+               }
+               return defaultExpandOption;
+       }
+       
+       boolean isBeginChangeLine(String elementName){
+               return (getExpandOption(elementName) & BEGIN_CHANGELINE) != 0;
+       }
+       
+       boolean isEndChangeLine(String elementName){
+               return (getExpandOption(elementName) & END_CHANGELINE) != 0;
+       }
+
+       public String expandTag(Element element){
+               StringBuffer buff = new StringBuffer();
+               expandTag(element, 0, buff);
+               return buff.toString();
+       }
+       
+       public void writeTag(Element element, OutputStream out) throws IOException {
+               OutputStreamWriter writer = new OutputStreamWriter(out);
+               try{
+                       writer.write("<?xml version=\"1.0\"?>\n\n");
+                       writer.write(new ElementWriter().expandTag(element));
+               }finally{
+                       if(writer != null){
+                               writer.close();
+                       }
+               }
+       }
+       
+       void expandTag(Element element, int level, StringBuffer buff){
+               expandIndent(level, buff);
+               
+               String elementName = element.getNodeName();
+               buff.append('<' + elementName );
+               NamedNodeMap attrs = element.getAttributes();
+               for(int i=0; i<attrs.getLength(); i++){
+                       Node n = attrs.item(i);
+                       String v = n.getNodeValue();
+                       if(v != null){
+                               buff.append(' ' + n.getNodeName() + "=\"" + HTMLUtilities.escape(v) + "\"");
+                       }
+               }
+               
+               boolean emptyElem = element.getChildNodes().getLength() == 0;
+               if(emptyElem){
+                       buff.append(" /");
+               }
+               buff.append('>');
+               if(!emptyElem ){
+                       NodeList childElements = element.getChildNodes();
+                       if(isBeginChangeLine(elementName)){
+                               buff.append('\n');
+                       }
+                       for(int i=0; i<childElements.getLength(); i++){
+                               Node node = childElements.item(i);
+                               if( node instanceof Element){
+                                       expandTag( (Element)node, level+1, buff);
+                               }else if (node instanceof Text){
+                                       String text = ((Text)node).getNodeValue();
+                                       if(trim && (text = text.trim()).length() == 0){
+                                               continue;
+                                       }
+                                       buff.append(text);
+                               }
+                       }
+                       expandIndent(level, buff);
+                       buff.append("</" + elementName + '>');
+               }
+               // already inserted change line.
+               if( isEndChangeLine(elementName) ){
+                       buff.append('\n');
+               }
+       }
+       
+       void expandIndent(int level, StringBuffer buff){
+               if(indent != null){
+                       for(int i=0; i<level; i++){
+                               buff.append(indent);
+                       }
+               }
+       }
+
+       public int getDefaultExpandOption() {
+               return defaultExpandOption;
+       }
+
+       public void setDefaultExpandOption(int i) {
+               defaultExpandOption = i;
+       }
+
+}
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