Some white space in the wlxml source handling rules

[fnpeditor.git] / modules / documentCanvas / canvas / canvas.js

diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js
index ae7a7b2..4326655 100644 (file)
--- a/modules/documentCanvas/canvas/canvas.js
+++ b/modules/documentCanvas/canvas/canvas.js
@@ -1,21 +1,91 @@
 define([
 'libs/jquery-1.9.1.min',
+'libs/underscore-min',
 'modules/documentCanvas/canvas/documentElement'
-], function($, documentElement) {
+], function($, _, documentElement) {
     
 'use strict';
 
 var Canvas = function(xml) {
     xml = $.parseXML(xml);
     this.d = xml !== null ? $(xml.childNodes[0]) : null;
-}
+    if(this.d) {
+        var wrapper = $('<div>');
+        wrapper.append(this.d);
+        wrapper.find(':not(iframe)').addBack().contents()
+            .filter(function() {return this.nodeType === Node.TEXT_NODE})
+            .each(function() {
+
+                var el = $(this);
+                
+                // TODO: use DocumentElement API
+                var spanParent = el.parent().prop('tagName') === 'span',
+                    spanBefore = el.prev().length > 0  && $(el.prev()[0]).prop('tagName') === 'span',
+                    spanAfter = el.next().length > 0 && $(el.next()[0]).prop('tagName') === 'span';
+                    
+                if(spanParent || spanBefore || spanAfter) {
+                    var startSpace = /\s/g.test(this.data.substr(0,1));
+                    var endSpace = /\s/g.test(this.data.substr(-1)) && this.data.length > 1;
+                    var trimmed = $.trim(this.data);
+                    this.data = (startSpace && (spanParent || spanBefore) ? ' ' : '')
+                                + trimmed
+                                + (endSpace && (spanParent || spanAfter) ? ' ' : '');
+
+                } else {
+                    this.data = $.trim(this.data);
+                }
+            });
+        this.d.unwrap();
+    };
+};
 
 $.extend(Canvas.prototype, {
 
     doc: function() {
         if(this.d === null)
             return null;
-        return documentElement.wrap(this.d.get(0)); //{wlxmlTag: this.d.prop('tagName')};
+        return documentElement.wrap(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')};
+    },
+
+    wrapText: function(params) {
+        params = _.extend({textNodeIdx: 0}, params);
+        if(typeof params.textNodeIdx === 'number')
+            params.textNodeIdx = [params.textNodeIdx];
+        
+        var childrenInside = params.inside.children(),
+            idx1 = Math.min.apply(Math, params.textNodeIdx),
+            idx2 = Math.max.apply(Math, params.textNodeIdx),
+            textNode1 = childrenInside[idx1],
+            textNode2 = childrenInside[idx2],
+            sameNode = textNode1.sameNode(textNode2),
+            prefixOutside = textNode1.getText().substr(0, params.offsetStart),
+            prefixInside = textNode1.getText().substr(params.offsetStart),
+            suffixInside = textNode2.getText().substr(0, params.offsetEnd),
+            suffixOutside = textNode2.getText().substr(params.offsetEnd)
+        ;
+        
+        var wrapperElement = documentElement.DocumentNodeElement.create({tag: params._with.tag, klass: params._with.klass});
+        textNode1.after(wrapperElement);
+        textNode1.detach();
+        
+        if(prefixOutside.length > 0)
+            wrapperElement.before({text:prefixOutside});
+        if(sameNode) {
+            var core = textNode1.getText().substr(params.offsetStart, params.offsetEnd - params.offsetStart);
+            wrapperElement.append({text: core});
+        } else {
+            textNode2.detach();
+            if(prefixInside.length > 0)
+                wrapperElement.append({text: prefixInside});
+            for(var i = idx1 + 1; i < idx2; i++) {
+                wrapperElement.append(childrenInside[i]);
+            }
+            if(suffixInside.length > 0)
+                wrapperElement.append({text: suffixInside});
+        }
+        if(suffixOutside.length > 0)
+            wrapperElement.after({text: suffixOutside});
+        return wrapperElement;
     }
 
 });