X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/6435513192b5be363719dcb1559c93b52944800d..12255fb81ee2d3b63e238a595e4813520650cd01:/modules/documentCanvas/canvas/documentElement.js

diff --git a/modules/documentCanvas/canvas/documentElement.js b/modules/documentCanvas/canvas/documentElement.js
index 50e680d..b82b471 100644
--- a/modules/documentCanvas/canvas/documentElement.js
+++ b/modules/documentCanvas/canvas/documentElement.js
@@ -1,18 +1,25 @@
 define([
-'libs/jquery-1.9.1.min'
-], function($) {
+'libs/jquery-1.9.1.min',
+'libs/underscore-min'
+], function($, _) {
     
 'use strict';
 
+
 // DocumentElement represents a node from WLXML document rendered inside Canvas
-var DocumentElement = function(htmlElement) {
+var DocumentElement = function(htmlElement, canvas) {
     if(arguments.length === 0)
         return;
+    this.canvas = canvas;
     this.$element = $(htmlElement);
-    this.wlxmlTag = this.$element.prop('tagName');
-};
+
+    this.wlxmlTag = this.$element.attr('wlxml-tag');
+}
 
 $.extend(DocumentElement.prototype, {
+    dom: function() {
+        return this.$element;
+    },
     children: function() {
         var toret = [];
         if(this instanceof DocumentTextElement)
@@ -20,42 +27,229 @@ $.extend(DocumentElement.prototype, {
 
 
         var elementContent = this.$element.contents();
+        var element = this;
         elementContent.each(function(idx) {
-            var element = documentElementFromHTMLElement(this);
-            if(
-                (toret.length === 0 && (element instanceof DocumentNodeElement)) ||
-                (toret.length > 0 && (toret[toret.length -1] instanceof DocumentNodeElement) && (element instanceof DocumentNodeElement))
-            )
-                toret.push(documentElementFromHTMLElement(document.createTextNode()));
-            toret.push(element);
-            if((idx === elementContent.length - 1) && (element instanceof DocumentNodeElement))
-                toret.push(documentElementFromHTMLElement(document.createTextNode()));
+            var childElement = documentElementFromHTMLElement(this, element.canvas);
+            if(idx === 0 && elementContent.length > 1 && 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()) === '')
+                    return true;
+            }
+            toret.push(childElement);
+        });
+        return toret;
+    },
+    parent: function() {
+        return documentElementFromHTMLElement(this.$element.parent()[0], this.canvas);
+    },
+
+    sameNode: function(other) {
+        return other && (typeof other === typeof this) && other.$element[0] === this.$element[0];
+    },
+
+    wrapWithNodeElement: function(wlxmlNode) {
+        var wrapper = DocumentNodeElement.create({tag: wlxmlNode.tag, klass: wlxmlNode.klass});
+        this.$element.replaceWith(wrapper.dom());
+        wrapper.append(this);
+        return wrapper;
+    },
+
+    childIndex: function(child) {
+        var children = this.children(),
+            toret = null;
+        children.forEach(function(c, idx) {
+            if(c.sameNode(child)) {
+                toret = idx;
+                return false;
+            }
         });
         return toret;
+    },
+
+    detach: function() {
+        this.$element.detach();
+        this.canvas = null;
     }
 });
 
-var DocumentNodeElement = function(htmlElement) {
-    DocumentElement.call(this, htmlElement);
+
+var DocumentNodeElement = function(htmlElement, canvas) {
+    DocumentElement.call(this, htmlElement, canvas);
 };
 
-var DocumentTextElement = function(htmlElement) {
-    DocumentElement.call(this, htmlElement);  
+var DocumentTextElement = function(htmlElement, canvas) {
+    DocumentElement.call(this, htmlElement, canvas);
 };
 
 DocumentNodeElement.prototype = new DocumentElement();
 DocumentTextElement.prototype = new DocumentElement();
 
-var documentElementFromHTMLElement = function(htmlElement) {
+var manipulate = function(e, params, action) {
+    var dom;
+    if(params instanceof DocumentElement) {
+        dom = params.dom()
+    } else {
+        dom = DocumentNodeElement.createDOM(params);
+    }
+    e.$element[action](dom);
+    return documentElementFromHTMLElement(dom);
+};
+
+$.extend(DocumentNodeElement.prototype, {
+    append: function(params) {
+        manipulate(this, params, 'append');
+    },
+    before: function(params) {
+        manipulate(this, params, 'before');
+
+    },
+    after: function(params) {
+        manipulate(this, params, 'after');
+    },
+    getWlxmlTag: function() {
+        return this.$element.attr('wlxml-tag');
+    },
+    setWlxmlTag: function(tag) {
+        this.$element.attr('wlxml-tag', tag);
+    },
+    getWlxmlClass: function() {
+        var klass = this.$element.attr('wlxml-class');
+        if(klass)
+            return klass.replace('-', '.');
+        return undefined;
+    },
+    setWlxmlClass: function(klass) {
+        if(klass)
+            this.$element.attr('wlxml-class', klass);
+        else
+            this.$element.removeAttr('wlxml-class');
+    },
+    is: function(what) {
+        if(what === 'list' && _.contains(['list-items', 'list-items-enum'], this.$element.attr('wlxml-class')))
+            return true;
+        return false;
+    }
+});
+
+DocumentNodeElement.createDOM = function(params) {
+    var dom;
+    if(params.text) {
+        dom = $(document.createTextNode(params.text));
+    } else {
+        dom = $('<div>').attr('wlxml-tag', params.tag);
+        if(params.klass)
+            dom.attr('wlxml-class', params.klass);
+    }
+    return dom;
+};
+
+
+DocumentNodeElement.create = function(params, canvas) {
+    return documentElementFromHTMLElement(DocumentNodeElement.createDOM(params)[0]);
+};
+
+
+$.extend(DocumentTextElement.prototype, {
+    setText: function(text) {
+        this.$element[0].data = text;
+    },
+    getText: function() {
+        return this.$element.text();
+    },
+    after: function(params) {
+        if(params instanceof DocumentTextElement || params.text)
+            return false;
+        var dom;
+        if(params instanceof DocumentNodeElement) {
+            dom = params.dom();
+        } else {
+            dom = DocumentNodeElement.createDOM(params);
+        }
+        this.$element.wrap('<div>');
+        this.$element.parent().after(dom[0]);
+        this.$element.unwrap();
+        return documentElementFromHTMLElement(dom[0]);
+    },
+    before: function(params) {
+        if(params instanceof DocumentTextElement || params.text)
+            return false;
+        var dom;
+        if(params instanceof DocumentNodeElement) {
+            dom = params.dom();
+        } else {
+            dom = DocumentNodeElement.createDOM(params);
+        }
+        this.$element.wrap('<div>');
+        this.$element.parent().before(dom[0]);
+        this.$element.unwrap();
+        return documentElementFromHTMLElement(dom[0]);
+    },
+    wrapWithNodeElement: function(wlxmlNode) {
+        if(typeof wlxmlNode.start === 'number' && typeof wlxmlNode.end === 'number') {
+            return this.canvas.wrapText({
+                inside: this.parent(),
+                textNodeIdx: this.parent().childIndex(this),
+                offsetStart: Math.min(wlxmlNode.start, wlxmlNode.end),
+                offsetEnd: Math.max(wlxmlNode.start, wlxmlNode.end),
+                _with: {tag: wlxmlNode.tag, klass: wlxmlNode.klass}
+            });
+        } else {
+            return DocumentElement.prototype.wrapWithNodeElement.call(this, wlxmlNode);
+        }
+    },
+    unwrap: function() {
+        if(this.parent().children().length === 1) {
+            var parent = this.parent();
+            parent.after(this);
+            parent.detach();
+        }
+    },
+    split: function(params) {
+        var parentElement = this.parent(),
+            myIdx = parentElement.childIndex(this),
+            myCanvas = this.canvas,
+            passed = false,
+            succeedingChildren = [],
+            thisElement = this,
+            prefix = this.getText().substr(0, params.offset),
+            suffix = this.getText().substr(params.offset);
+
+        parentElement.children().forEach(function(child) {
+            if(passed)
+                succeedingChildren.push(child);
+            if(child.sameNode(thisElement))
+                passed = true;
+        });
+
+        if(prefix.length > 0)
+            this.setText(prefix);
+        else
+            this.remove();
+        
+        var newElement = DocumentNodeElement.create({tag: parentElement.wlxmlTag, klass: parentElement.wlxmlClass}, myCanvas);
+        parentElement.after(newElement);
+
+        if(suffix.length > 0)
+            newElement.append({text: suffix});
+        succeedingChildren.forEach(function(child) {
+            newElement.append(child);
+        });
+    }
+});
+
+var documentElementFromHTMLElement = function(htmlElement, canvas) {
+    // if(!canvas)
+    //    throw 'no canvas specified';
     if(htmlElement.nodeType === Node.ELEMENT_NODE)
-        return new DocumentNodeElement(htmlElement);
+        return new DocumentNodeElement(htmlElement, canvas);
     if(htmlElement.nodeType === Node.TEXT_NODE)
-        return new DocumentTextElement(htmlElement);
-}
+        return new DocumentTextElement(htmlElement, canvas);
+};
 
 return {
-    wrap: function(htmlElement) {
-        return documentElementFromHTMLElement(htmlElement);
+    wrap: function(htmlElement, canvas) {
+        return documentElementFromHTMLElement(htmlElement, canvas);
     },
     DocumentElement: DocumentElement,
     DocumentNodeElement: DocumentNodeElement,