creating a list

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

diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js
index 7d99f36..3ae6a3e 100644 (file)
--- a/modules/documentCanvas/canvas/canvas.js
+++ b/modules/documentCanvas/canvas/canvas.js
@@ -1,13 +1,42 @@
 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, {
@@ -15,9 +44,102 @@ $.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;
+    },
+    list: {}
+});
+
+$.extend(Canvas.prototype.list, {
+    create: function(params) {
+        if(!(params.element1.parent().sameNode(params.element2.parent())))
+            return false;
+            
+        var parent = params.element1.parent();
+        
+        if(parent.childIndex(params.element1) > parent.childIndex(params.element2)) {
+            var tmp = params.element1;
+            params.element1 = params.element2;
+            params.element2 = tmp;
+        }
+        
+        var elementsToWrap = [];
+        
+        var place = 'before';
+        var canvas = this;
+        parent.children().forEach(function(element) {
+            if(element.sameNode(params.element1))
+                place = 'inside';
+            if(place === 'inside') {
+                if(element instanceof documentElement.DocumentTextElement) {
+                    element = element.wrapWithNodeElement({tag: 'div', klass: 'list.item'});
+                    if(element.children()[0].sameNode(params.element1))
+                        params.element1 = element;
+                }
+                element.setWlxmlClass('item');
+                elementsToWrap.push(element);
+            }
+            if(element.sameNode(params.element2))
+                return false;
+        });
+        
+        var listElement = documentElement.DocumentNodeElement.create({tag: 'div', klass: 'list-items' + (params.type === 'enum' ? '-enum' : '')});
+        
+        var toret;
+        if(parent.is('list')) {
+            listElement.wrap({tag: 'div', klass: 'item'});
+            toret = listElement.parent();
+        } else {
+            toret = listElement;
+        }  
+        
+        params.element1.before(toret);
+        
+        elementsToWrap.forEach(function(element) {
+            element.detach();
+            listElement.append(element);
+        });
+    }
 });
 
 return {