[brailleblaster] [brailleblaster.newdesign] push by RandomCh...@xxxxxxxxx - Btn Enumerating <img>'s on 2013-07-25 19:54 GMT

From: brailleblaster@xxxxxxxxxxxxxx
To: brailleblaster@xxxxxxxxxxxxx
Date: Thu, 25 Jul 2013 19:54:48 +0000

Revision: facbaa0cf0e9
Branch:   default
Author:   cmyers@xxxxxxxxxxxxxxxxx
Date:     Thu Jul 25 14:00:58 2013
Log:      Btn Enumerating <img>'s
http://code.google.com/p/brailleblaster/source/detail?r=facbaa0cf0e9&repo=newdesign

Modified:
 /src/main/org/brailleblaster/imagedescriber/ImageDescriber.java

=======================================

--- /src/main/org/brailleblaster/imagedescriber/ImageDescriber.java Thu Jul25 13:30:01 2013+++ /src/main/org/brailleblaster/imagedescriber/ImageDescriber.java Thu Jul25 14:00:58 2013

@@ -31,6 +31,7 @@
 import java.util.ArrayList;

 import nu.xom.Element;
+import nu.xom.Elements;

 import org.brailleblaster.document.BBDocument;

@@ -46,6 +47,8 @@
        ArrayList<Element> imgList = null;
        // The current element we're working on.
        int curElement = -1;
+       // The number of img elements we have in this document.
+       int numImgElms = 0;

///////////////////////////////////////////////////////////////////////////

        // Call ImageDescriber with this Constructor to initialize everything.
@@ -61,13 +64,33 @@
                // Fill list of <img>'s.
                FillImgList(rootElement);

+               // Get size of <img> list.
+               numImgElms = imgList.size();
+
+               // Only init the current element if there are <img>'s.
+               if(numImgElms > 0)
+                       curElement = 0;
+
+               for(int asdf = 0; asdf < numImgElms; asdf++)
+                       System.out.println( 
imgList.get(asdf).getAttributeValue("src") );
+
        } // ImageDescriber(BBDocument document)

///////////////////////////////////////////////////////////////////////////

        // Searches forward in the xml tree for an element named <img>
        public Element NextImageElement()
        {
-               return null;
+               // Make sure there are images.
+               if(numImgElms == 0)
+                       return null;
+
+               // Move to next element, then return it.
+               curElement++;
+               if(curElement >= numImgElms)
+                       curElement = 0;
+
+               // Return current <img> element.
+               return imgList.get(curElement);

        } // NextImageElement()

@@ -75,7 +98,17 @@
        // Searches backward in the xml tree for an element named <img>
        public Element PrevImageElement()
        {
-               return null;
+               // Make sure there are images.
+               if(numImgElms == 0)
+                       return null;
+
+               // Move to previous element, then return it.
+               curElement--;
+               if(curElement < 0)
+                       curElement = numImgElms - 1;
+
+               // Return current <img> element.
+               return imgList.get(curElement);

        } // PrevImageElement()

@@ -83,7 +116,16 @@
        // Recursively moves through xml tree and adds <img> nodes to list.
        public void FillImgList(Element e)
        {
+               // Is this element an <img>?
+               if( e.getLocalName().compareTo("img") == 0 )
+                       imgList.add(e);

+               // Get children.
+               Elements childElms = e.getChildElements();
+
+               // Get their children, and so on.
+               for(int curChild = 0; curChild < childElms.size(); curChild++)
+                       FillImgList( childElms.get(curChild) );

        } // FillImgList(Element e)

[brailleblaster] [brailleblaster.newdesign] push by RandomCh...@xxxxxxxxx - Btn Enumerating <img>'s on 2013-07-25 19:54 GMT

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