widgets wip - widgets mechanism + label widget

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

diff --git a/modules/documentCanvas/canvas/documentElement.js b/modules/documentCanvas/canvas/documentElement.js
index 5eef4b5..425978f 100644 (file)
--- a/modules/documentCanvas/canvas/documentElement.js
+++ b/modules/documentCanvas/canvas/documentElement.js
@@ -1,8 +1,9 @@
 define([
 'libs/jquery-1.9.1.min',
 'libs/underscore-min',
-'modules/documentCanvas/classAttributes'
-], function($, _, classAttributes) {
+'modules/documentCanvas/classAttributes',
+'modules/documentCanvas/canvas/utils'
+], function($, _, classAttributes, utils) {
     
 'use strict';
 
@@ -123,6 +124,14 @@ $.extend(DocumentNodeElement, {
             });
         }
         dom.data('other-attrs', params.others);
+
+        var widgets = $('<div class="canvas-widgets" contenteditable="false">');
+        widgets.append($('<span class="canvas-widget canvas-widget-label">').text(params.tag + (params.klass ? ' / ' + params.klass : '')));
+        dom.append(widgets);
+
+        // Make sure widgets aren't navigable with arrow keys
+        widgets.find('*').add(widgets).attr('tabindex', -1);
+        
         return dom;
     },
 
@@ -154,7 +163,7 @@ $.extend(DocumentNodeElement.prototype, {
         var dom = this.dom(),
             args = Array.prototype.slice.call(arguments, 0);
         if(args.length === 2 && args[1] === undefined)
-            return dom.removeData(args[1]);
+            return dom.removeData(args[0]);
         return dom.data.apply(dom, arguments);
     },
     toXML: function(level) {
@@ -227,7 +236,7 @@ $.extend(DocumentNodeElement.prototype, {
     },
     append: function(params) {
         if(params.tag !== 'span')
-            this.data('orig-ends', undefined);
+            this.data('orig-end', undefined);
         return manipulate(this, params, 'append');
     },
     before: function(params) {
@@ -247,7 +256,9 @@ $.extend(DocumentNodeElement.prototype, {
         var element = this;
         elementContent.each(function(idx) {
             var childElement = DocumentElement.fromHTMLElement(this, element.canvas);
-            if(idx === 0 && elementContent.length > 1 && elementContent[1].nodeType === Node.ELEMENT_NODE && (childElement instanceof DocumentTextElement) && $.trim($(this).text()) === '')
+            if(childElement === undefined)
+                return true;
+            if(idx === 1 && elementContent.length > 2 && elementContent[1].nodeType === Node.ELEMENT_NODE && (childElement instanceof DocumentTextElement) && $.trim($(this).text()) === '')
                 return true;
             if(idx > 0 && childElement instanceof DocumentTextElement) {
                 if(toret[toret.length-1] instanceof DocumentNodeElement && $.trim($(this).text()) === '')
@@ -297,10 +308,10 @@ $.extend(DocumentNodeElement.prototype, {
         return false;
     },
 
-
     getWlxmlMetaAttr: function(attr) {
         return this.dom().attr('wlxml-meta-'+attr);
     },
+
     getWlxmlMetaAttrs: function() {
         var toret = [];
         var attrList = classAttributes.getMetaAttrsList(this.getWlxmlClass());
@@ -309,8 +320,16 @@ $.extend(DocumentNodeElement.prototype, {
         }, this);
         return toret;
     },
+
     setWlxmlMetaAttr: function(attr, value) {
         this.dom().attr('wlxml-meta-'+attr, value);
+    },
+    
+    toggleLabel: function(toggle) {
+        var displayCss = toggle ? 'inline-block' : 'none';
+        var label = this.dom().children('.canvas-widgets').find('.canvas-widget-label');
+        label.css('display', displayCss);
+        this.dom().toggleClass('highlighted-element');
     }
 });
 
@@ -324,7 +343,7 @@ $.extend(DocumentTextElement, {
     createDOM: function(params) {
         return $('<div>')
             .attr('wlxml-text', '')
-            .text(params.text);
+            .text(params.text || utils.unicode.ZWS);
     },
 
     create: function(params, canvas) {
@@ -333,6 +352,9 @@ $.extend(DocumentTextElement, {
 
     fromHTMLElement: function(htmlElement, canvas) {
         return new this(htmlElement, canvas);
+    },
+    isContentContainer: function(htmlElement) {
+        return htmlElement.nodeType === Node.TEXT_NODE && $(htmlElement).parent().is('[wlxml-text]');
     }
 });
 
@@ -353,7 +375,11 @@ $.extend(DocumentTextElement.prototype, {
         this.dom().contents()[0].data = text;
     },
     getText: function() {
-        return this.dom().text();
+        return this.dom().text().replace(utils.unicode.ZWS, '');
+    },
+    isEmpty: function() {
+        // Having at least Zero Width Space is guaranteed be Content Observer
+        return this.dom().contents()[0].data === utils.unicode.ZWS;
     },
     after: function(params) {
         if(params instanceof DocumentTextElement || params.text)
@@ -456,6 +482,24 @@ $.extend(DocumentTextElement.prototype, {
 
         return {first: parentElement, second: newElement};
     },
+    divide: function(params) {
+        var myText = this.getText();
+
+        if(params.offset === myText.length)
+            return this.after(params);
+        if(params.offset === 0)
+            return this.before(params);
+
+        var lhsText = myText.substr(0, params.offset),
+            rhsText = myText.substr(params.offset),
+            newElement = DocumentNodeElement.create({tag: params.tag, klass: params.klass}, this.canvas),
+            rhsTextElement = DocumentTextElement.create({text: rhsText});
+
+        this.setText(lhsText);
+        this.after(newElement);
+        newElement.after(rhsTextElement);
+        return newElement;
+    }
 });
 
 return {