Changeset 24934 for gs3-extensions/html-to-expeditee/trunk/src/src/js/html-to-expeditee.js

Timestamp:

2012-01-11T10:05:58+13:00 (12 years ago)

Author:

davidb

Message:

Introduction of new Perl module to handle taking the JSON version of the traversed HTML tree and output it as an expeditee frame

File:

• gs3-extensions/html-to-expeditee/trunk/src/src/js/html-to-expeditee.js (modified) (7 diffs)

gs3-extensions/html-to-expeditee/trunk/src/src/js/html-to-expeditee.js

@@ -31 +31 @@
     return elem.clip.width;
     } else {
-    if (elem.style.pixelWidth) {
+    if (elem.style && elem.style.pixelWidth) {
         return elem.style.pixelWidth;
     } else {
@@ -44 +44 @@
     return elem.clip.height;
     } else {
-    if (elem.style.pixelHeight) {
+    if (elem.style && elem.style.pixelHeight) {
         return elem.style.pixelHeight;
     } else {
@@ -84 +84 @@
 
 
+function htmlToExpeditee(node) 
+{
+    var nodePos = getElementPosition(node); 
+    var pxl = nodePos.xl;
+    var pyt = nodePos.yt;
+    var pxr = nodePos.xr;
+    var pyb = nodePos.yb;
 
-function htmlToExpeditee(node,depth) 
+    return htmlToExpediteeRec(node, pxl,pyt, pxl,pyt,pxr,pyb, 0);
+}
+
+
+function htmlToExpediteeRec(node,baseX,baseY, pxl,pyt,pxr,pyb, depth) 
 {
     depth = (depth) ? depth : 0;
 
     //var expSyntax = "";
-    var jsonNode = {};
+    var jsonNode = null;
 
     if (node.nodeType == 3) { /* text node */
@@ -99 +110 @@
         //expSyntax += "Text item: " + node.nodeValue + "\n";
 
+            jsonNode = {};
+
         jsonNode.type = "text";
         jsonNode.text = node.nodeValue;
+
+        jsonNode.x = pxl;
+        jsonNode.y = pyt;
+
     }
     }
@@ -108 +125 @@
         /* need to dig out: text size, l/r/justified, font-face, type, colour */
 
-        var elemName = node.Name;
-    if (elemName != "SCRIPT") {
+        var elemName = node.nodeName.toLowerCase();
 
-        
+    if (!elemName.match(/script/)) {
+   
         var nodePos = getElementPosition(node); 
         var xl = nodePos.xl;
@@ -129 +146 @@
 */
 
-        var rect = { "xl":xl, "yt":yt, "xr":xr, "yb":yb };
-
+            jsonNode = {};
         jsonNode.type = "rect";
             jsonNode.elem = node.nodeName;
+
+        var rect = { "xl":xl, "yt":yt, "xr":xr, "yb":yb };
         jsonNode.rect = rect;
     
@@ -139 +157 @@
         var cnode = node.firstChild; 
         while (cnode != null) {
-        //expSyntax += htmlToExpeditee(cnode,depth+1);  
 
-            var jsonChildNode = htmlToExpeditee(cnode,depth+1);
-        jsonChildNodes.push(jsonChildNode);  
+            var jsonChildNode 
+            = htmlToExpediteeRec(cnode,baseX,baseY,xl,yt,xr,yb,depth+1);
+
+            if (jsonChildNode != null) {
+            jsonChildNodes.push(jsonChildNode);  
+            }
         
         cnode = cnode.nextSibling;