org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/css2/property/BorderStyleMeta.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2006 Sybase, Inc. and others.\r
   3  *\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     Sybase, Inc. - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.eclipse.jst.pagedesigner.css2.property;\r
  13 \r
  14 import org.eclipse.jst.pagedesigner.IHTMLConstants;\r
  15 import org.eclipse.jst.pagedesigner.css2.ICSSStyle;\r
  16 import org.eclipse.jst.pagedesigner.utils.DOMUtil;\r
  17 import org.w3c.dom.Element;\r
  18 import org.w3c.dom.Node;\r
  19 \r
  20 /**\r
  21  * @author mengbo\r
  22  */\r
  23 public class BorderStyleMeta extends CSSPropertyMeta {\r
  24         static final String[] KEYWORDS = new String[] { ICSSPropertyID.VAL_NONE,\r
  25                         ICSSPropertyID.VAL_HIDDEN, ICSSPropertyID.VAL_DOTTED,\r
  26                         ICSSPropertyID.VAL_DASHED, ICSSPropertyID.VAL_SOLID,\r
  27                         ICSSPropertyID.VAL_DOUBLE, ICSSPropertyID.VAL_GROOVE,\r
  28                         ICSSPropertyID.VAL_RIDGE, ICSSPropertyID.VAL_INSET,\r
  29                         ICSSPropertyID.VAL_OUTSET };\r
  30 \r
  31         /**\r
  32          */\r
  33         public BorderStyleMeta() {\r
  34                 super(false, ICSSPropertyID.VAL_NONE);\r
  35         }\r
  36 \r
  37         /*\r
  38          * (non-Javadoc)\r
  39          * \r
  40          * @see org.eclipse.jst.pagedesigner.css2.property.CSSPropertyMeta#getKeywordValues()\r
  41          */\r
  42         protected String[] getKeywordValues() {\r
  43                 return KEYWORDS;\r
  44         }\r
  45 \r
  46         /*\r
  47          * (non-Javadoc)\r
  48          * \r
  49          * @see org.eclipse.jst.pagedesigner.css2.property.CSSPropertyMeta#calculateHTMLAttributeOverride(org.w3c.dom.Element,\r
  50          *      java.lang.String, java.lang.String,\r
  51          *      org.eclipse.jst.pagedesigner.css2.ICSSStyle)\r
  52          */\r
  53         public Object calculateHTMLAttributeOverride(Element element,\r
  54                         String htmltag, String propertyName, ICSSStyle style) {\r
  55                 if (IHTMLConstants.TAG_TABLE.equalsIgnoreCase(htmltag)) {\r
  56                         return calculateTableOverride(element, propertyName);\r
  57                 } else if (IHTMLConstants.TAG_TD.equalsIgnoreCase(htmltag)\r
  58                                 || IHTMLConstants.TAG_TH.equalsIgnoreCase(htmltag)) {\r
  59                         return calculateTDOverride(element, propertyName, style);\r
  60                 } else if (IHTMLConstants.TAG_IMG.equalsIgnoreCase(htmltag)) {\r
  61                         String border = DOMUtil.getAttributeIgnoreCase(element,\r
  62                                         IHTMLConstants.ATTR_BORDER);\r
  63                         if (border != null) {\r
  64                                 return ICSSPropertyID.VAL_SOLID;\r
  65                         }\r
  66                 }\r
  67                 return super.calculateHTMLAttributeOverride(element, htmltag,\r
  68                                 propertyName, style);\r
  69         }\r
  70 \r
  71         /**\r
  72          * @param element\r
  73          * @param propertyName\r
  74          * @return\r
  75          */\r
  76         private Object calculateTDOverride(Element element, String propertyName,\r
  77                         ICSSStyle style) {\r
  78                 // if element is empty, and "empty-cells" property is hide, then we\r
  79                 // don't display border.\r
  80                 Object obj = style.getStyleProperty(ICSSPropertyID.ATTR_EMPTY_CELLS);\r
  81                 if (EmptyCellsMeta.HIDE.equals(obj) && TableUtil.isEmptyCell(element)) {\r
  82                         return ICSSPropertyID.VAL_NONE;\r
  83                 }\r
  84 \r
  85                 // find containing table first\r
  86                 Node parent = element;\r
  87                 Element tableEle = null;\r
  88                 while ((parent = parent.getParentNode()) != null\r
  89                                 && parent instanceof Element) {\r
  90                         if (((Element) parent).getTagName().equalsIgnoreCase(\r
  91                                         IHTMLConstants.TAG_TABLE)) {\r
  92                                 tableEle = (Element) parent;\r
  93                                 break;\r
  94                         }\r
  95 \r
  96                 }\r
  97                 if (tableEle != null) {\r
  98                         String rules = DOMUtil.getAttributeIgnoreCase(tableEle,\r
  99                                         IHTMLConstants.ATTR_RULES);\r
 100                         String borderstr = DOMUtil.getAttributeIgnoreCase(tableEle,\r
 101                                         IHTMLConstants.ATTR_BORDER);\r
 102                         if (rules == null || rules.length() == 0) {\r
 103                                 if (borderstr == null || "0".equals(borderstr.trim())) { //$NON-NLS-1$\r
 104                                         return ICSSPropertyID.VAL_NONE;\r
 105                                 }\r
 106                 return ICSSPropertyID.VAL_TDBORDERSTYLE;\r
 107                         }\r
 108             // ok, we got a value for rules\r
 109             if (TableUtil.matchRules(extractEdge(propertyName), rules)) {\r
 110                 return ICSSPropertyID.VAL_TDBORDERSTYLE;\r
 111             }\r
 112             return ICSSPropertyID.VAL_NONE;\r
 113                 }\r
 114         return null;\r
 115         }\r
 116 \r
 117         /**\r
 118          * @param element\r
 119          * @param propertyName\r
 120          * @return\r
 121          */\r
 122         private Object calculateTableOverride(Element element, String propertyName) {\r
 123                 String frame = DOMUtil.getAttributeIgnoreCase(element,\r
 124                                 IHTMLConstants.ATTR_FRAME);\r
 125                 String borderstr = DOMUtil.getAttributeIgnoreCase(element,\r
 126                                 IHTMLConstants.ATTR_BORDER);\r
 127                 // border="0" implies frame="void"\r
 128                 if ("0".equals(borderstr)) { //$NON-NLS-1$\r
 129                         return ICSSPropertyID.VAL_NONE;\r
 130                 }\r
 131                 if (frame == null || frame.length() == 0) {\r
 132                         if (borderstr == null) {\r
 133                                 return ICSSPropertyID.VAL_NONE;\r
 134                         } else if (borderstr.trim().length() == 0) {\r
 135                                 frame = IHTMLConstants.ATTR_BORDER;\r
 136                         } else {\r
 137                                 try {\r
 138                                         Integer.parseInt(borderstr);\r
 139                                         frame = IHTMLConstants.ATTR_BORDER;\r
 140                                 } catch (Exception ex) {\r
 141                                         frame = borderstr;\r
 142                                 }\r
 143                         }\r
 144                 }\r
 145                 // ok, we got a value for frame.\r
 146                 if (TableUtil.matchFrame(extractEdge(propertyName), frame)) {\r
 147                         return ICSSPropertyID.VAL_OUTSET;\r
 148                 }\r
 149         return ICSSPropertyID.VAL_NONE;\r
 150         }\r
 151 \r
 152         static String extractEdge(String propertyName) {\r
 153                 if (ICSSPropertyID.ATTR_BORDER_BOTTOM_STYLE\r
 154                                 .equalsIgnoreCase(propertyName)) {\r
 155                         return "bottom"; //$NON-NLS-1$\r
 156                 } else if (ICSSPropertyID.ATTR_BORDER_LEFT_STYLE\r
 157                                 .equalsIgnoreCase(propertyName)) {\r
 158                         return "left"; //$NON-NLS-1$\r
 159                 } else if (ICSSPropertyID.ATTR_BORDER_RIGHT_STYLE\r
 160                                 .equalsIgnoreCase(propertyName)) {\r
 161                         return "right"; //$NON-NLS-1$\r
 162                 } else {\r
 163                         return "top"; //$NON-NLS-1$\r
 164                 }\r
 165         }\r
 166 \r
 167         /**\r
 168          * @param propertyName\r
 169          * @return true if property name is a border style\r
 170          */\r
 171         public static boolean isBorderStyle(String propertyName) {\r
 172                 return ICSSPropertyID.ATTR_BORDER_BOTTOM_STYLE\r
 173                                 .equalsIgnoreCase(propertyName)\r
 174                                 || ICSSPropertyID.ATTR_BORDER_LEFT_STYLE\r
 175                                                 .equalsIgnoreCase(propertyName)\r
 176                                 || ICSSPropertyID.ATTR_BORDER_RIGHT_STYLE\r
 177                                                 .equalsIgnoreCase(propertyName)\r
 178                                 || ICSSPropertyID.ATTR_BORDER_TOP_STYLE\r
 179                                                 .equalsIgnoreCase(propertyName);\r
 180         }\r
 181 }\r