wlxml: moving white space handling from canvas code base

[fnpeditor.git] / src / wlxml / wlxml.js

diff --git a/src/wlxml/wlxml.js b/src/wlxml/wlxml.js
index 7dfbd99..40f070c 100644 (file)
--- a/src/wlxml/wlxml.js
+++ b/src/wlxml/wlxml.js
@@ -47,6 +47,38 @@ $.extend(WLXMLElementNode.prototype, smartxml.ElementNode.prototype, {
 
 var WLXMLDocument = function(xml) {
     smartxml.Document.call(this, xml);
+
+    $(this.dom).find(':not(iframe)').addBack().contents()
+    .filter(function() {return this.nodeType === Node.TEXT_NODE;})
+    .each(function() {
+        var el = $(this),
+            text = {original: el.text(), trimmed: $.trim(el.text())},
+            elParent = el.parent(),
+            hasSpanParent = elParent.prop('tagName') === 'SPAN',
+            hasSpanBefore = el.prev().length && $(el.prev()).prop('tagName') === 'SPAN',
+            hasSpanAfter = el.next().length && $(el.next()).prop('tagName') === 'SPAN';
+
+
+        text.transformed = text.trimmed;
+
+        if(hasSpanParent || hasSpanBefore || hasSpanAfter) {
+            var startSpace = /\s/g.test(text.original.substr(0,1)),
+                endSpace = /\s/g.test(text.original.substr(-1)) && text.original.length > 1;
+            text.transformed = (startSpace && (hasSpanParent || hasSpanBefore) ? ' ' : '');
+            text.transformed += text.trimmed;
+            text.transformed += (endSpace && (hasSpanParent || hasSpanAfter) ? ' ' : '');
+        } else {
+            if(text.trimmed.length === 0 && text.original.length > 0 && elParent.contents().length === 1) {
+                text.transformed = ' ';
+            }
+        }
+
+        if(!text.transformed) {
+            el.remove();
+            return true; // continue
+        }
+        el.replaceWith(document.createTextNode(text.transformed));
+    });
 };
 WLXMLDocument.prototype = Object.create(smartxml.Document.prototype);
 $.extend(WLXMLDocument.prototype, {