X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/11ee4548da5e5e4297d020356c6d1014475d6b05..575435e1d6c772414286d891fbeb2956cd7f6753:/src/smartxml/smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 0a1a354..41e8e19 100644
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -2,20 +2,26 @@ define([
     'libs/jquery',
     'libs/underscore',
     'libs/backbone',
-    'smartxml/events'
-], function($, _, Backbone, events) {
+    'smartxml/events',
+    'smartxml/transformations'
+], function($, _, Backbone, events, transformations) {
     
 'use strict';
-
+/* globals Node */
 
 var TEXT_NODE = Node.TEXT_NODE;
 
 
 var INSERTION = function(implementation) {
     var toret = function(node) {
-        var insertion = this.getNodeInsertion(node);
+        var insertion = this.getNodeInsertion(node),
+            nodeWasContained = this.document.containsNode(insertion.ofNode),
+            nodeParent;
+        if(!(this.document.containsNode(this))) {
+            nodeParent = insertion.ofNode.parent();
+        }
         implementation.call(this, insertion.ofNode.nativeNode);
-        this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
+        this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}, nodeParent, nodeWasContained);
         return insertion.ofNode;
     };
     return toret;
@@ -31,11 +37,53 @@ var DocumentNode = function(nativeNode, document) {
 };
 
 $.extend(DocumentNode.prototype, {
+
+    transform: function(name, args) {
+        var Transformation = this.transformations.get(name),
+            transformation;
+        if(Transformation) {
+            transformation = new Transformation(this.document, this, args);
+        }
+        return this.document.transform(transformation);
+    },
+
     _setNativeNode: function(nativeNode) {
         this.nativeNode = nativeNode;
         this._$ = $(nativeNode);
     },
 
+    clone: function() {
+        var clone = this._$.clone(true, true);
+        // clone.find('*').addBack().each(function() {
+        //     var n = $(this);
+        //     if(n.data('canvasElement')) {
+        //         n.data('canvasElement', $.extend(true, {}, n.data('canvasElement')));
+        //         n.data('canvasElement').$element = n.data('canvasElement').$element.clone(true, true);
+        //     }
+        // });
+        return this.document.createDocumentNode(clone[0]);
+    },
+
+    getPath: function(ancestor) {
+        var nodePath = [this].concat(this.parents()),
+            toret, idx;
+        ancestor = ancestor || this.document.root;
+
+        nodePath.some(function(node, i) {
+            if(node.sameNode(ancestor)) {
+                idx = i;
+                return true;
+            }
+        });
+
+        if(idx !== 'undefined') {
+            nodePath = nodePath.slice(0, idx);
+        }
+        toret = nodePath.map(function(node) {return node.getIndex(); });
+        toret.reverse();
+        return toret;
+    },
+
     isRoot: function() {
         return this.document.root.sameNode(this);
     },
@@ -47,8 +95,18 @@ $.extend(DocumentNode.prototype, {
         return this;
     },
 
+    replaceWith: function(node) {
+        var toret;
+        if(this.isRoot()) {
+            return this.document.replaceRoot(node);
+        }
+        toret = this.after(node);
+        this.detach();
+        return toret;
+    },
+
     sameNode: function(otherNode) {
-        return otherNode && this.nativeNode === otherNode.nativeNode;
+        return !!(otherNode) && this.nativeNode === otherNode.nativeNode;
     },
 
     parent: function() {
@@ -121,23 +179,20 @@ $.extend(DocumentNode.prototype, {
         }
     },
 
-    triggerChangeEvent: function(type, metaData) {
-        var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));
+    triggerChangeEvent: function(type, metaData, origParent, nodeWasContained) {
+        var node = (metaData && metaData.node) ? metaData.node : this,
+            event = new events.ChangeEvent(type, $.extend({node: node}, metaData || {}));
         if(type === 'nodeDetached' || this.document.containsNode(event.meta.node)) {
             this.document.trigger('change', event);
         }
+        if((type === 'nodeAdded' || type === 'nodeMoved') && !this.document.containsNode(this) && nodeWasContained) {
+             event = new events.ChangeEvent('nodeDetached', {node: node, parent: origParent});
+             this.document.trigger('change', event);
+        }
     },
     
     getNodeInsertion: function(node) {
-        var insertion = {};
-        if(node instanceof DocumentNode) {
-            insertion.ofNode = node;
-            insertion.insertsNew = !this.document.containsNode(node);
-        } else {
-          insertion.ofNode = this.document.createDocumentNode(node);
-          insertion.insertsNew = true;
-        }
-        return insertion;
+        return this.document.getNodeInsertion(node);
     },
 
     getIndex: function() {
@@ -158,7 +213,7 @@ $.extend(ElementNode.prototype, {
 
     detach: function() {
         var next;
-        if(parent && this.isSurroundedByTextElements()) {
+        if(this.parent() && this.isSurroundedByTextElements()) {
             next = this.next();
             this.prev().appendText(next.getText());
             next.detach();
@@ -186,12 +241,18 @@ $.extend(ElementNode.prototype, {
         return this.nativeNode.tagName.toLowerCase();
     },
 
-    contents: function() {
+    contents: function(selector) {
         var toret = [],
             document = this.document;
-        this._$.contents().each(function() {
-            toret.push(document.createDocumentNode(this));
-        });
+        if(selector) {
+            this._$.children(selector).each(function() {
+                toret.push(document.createDocumentNode(this));
+            });
+        } else {
+            this._$.contents().each(function() {
+                toret.push(document.createDocumentNode(this));
+            });
+        }
         return toret;
     },
 
@@ -246,6 +307,15 @@ $.extend(ElementNode.prototype, {
         this._$.prepend(nativeNode);
     }),
 
+    insertAtIndex: function(nativeNode, index) {
+        var contents = this.contents();
+        if(index < contents.length) {
+            return contents[index].before(nativeNode);
+        } else if(index === contents.length) {
+            return this.append(nativeNode);
+        }
+    },
+
     unwrapContent: function() {
         var parent = this.parent();
         if(!parent) {
@@ -310,6 +380,63 @@ $.extend(ElementNode.prototype, {
     }
 });
 
+// trans
+
+// todo - split+append
+
+// ElementNode.prototype.transformations.register(transformations.createContextTransformation({
+//     name: 'smartxml.setAttr',
+//     impl: function(args) {
+//         this.setAttr(args.name, args.value);
+//     },
+//     getChangeRoot: function() {
+//         return this.context;
+//     }
+// }));
+
+// ElementNode.prototype.transformations.register(transformations.createContextTransformation({
+//     name: 'smartxml.setAttr2',
+//     impl: function(args) {
+//         this.prevAttr = this.getAttr(args.name);
+//         this.setAttr(args.name, args.value);
+//     },
+//     undo: function(args) {
+//         this.setAttr(args.name, this.prevAttr);
+//     }
+// }));
+
+// DocumentNode.prototype.transformations.register(transformations.createContextTransformation({
+//     name: 'smartxml.wrapWith',
+//     getChangeRoot: function() {
+//         return this.context.parent();
+//     },
+//     impl: function(args) {
+//         return this.wrapWith(args);
+//     }
+// }));
+
+// DocumentNode.prototype.transformations.register(transformations.createContextTransformation({
+//     name: 'smartxml.wrapText',
+//     getChangeRoot: function() {
+//         return this.context;
+//     },
+//     impl: function(args) {
+//         return this.wrapText(args);
+//     }
+// }));
+
+// DocumentNode.prototype.transformations.register(transformations.createContextTransformation({
+//     name: 'smartxml.detach',
+//     getChangeRoot: function() {
+//         return this.context.parent();
+//     },
+//     impl: function(args) {
+//         return this.detach();
+//     }
+// }));
+
+///
+
 var TextNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);
 };
@@ -323,6 +450,7 @@ $.extend(TextNode.prototype, {
     },
 
     setText: function(text) {
+        //console.log('smartxml: ' + text);
         this.nativeNode.data = text;
         this.triggerTextChangeEvent();
     },
@@ -351,6 +479,44 @@ $.extend(TextNode.prototype, {
         }
     },
 
+    split: function(params) {
+        var parentElement = this.parent(),
+            passed = false,
+            succeedingChildren = [],
+            prefix = this.getText().substr(0, params.offset),
+            suffix = this.getText().substr(params.offset);
+
+        parentElement.contents().forEach(function(child) {
+            if(passed) {
+                succeedingChildren.push(child);
+            }
+            if(child.sameNode(this)) {
+                passed = true;
+            }
+        }.bind(this));
+
+        if(prefix.length > 0) {
+            this.setText(prefix);
+        }
+        else {
+            this.detach();
+        }
+
+        var attrs = {};
+        parentElement.getAttrs().forEach(function(attr) {attrs[attr.name] = attr.value; });
+        var newElement = this.document.createDocumentNode({tagName: parentElement.getTagName(), attrs: attrs});
+        parentElement.after(newElement);
+
+        if(suffix.length > 0) {
+            newElement.append({text: suffix});
+        }
+        succeedingChildren.forEach(function(child) {
+            newElement.append(child);
+        });
+
+        return {first: parentElement, second: newElement};
+    },
+
     triggerTextChangeEvent: function() {
         var event = new events.ChangeEvent('nodeTextChange', {node: this});
         this.document.trigger('change', event);
@@ -358,12 +524,66 @@ $.extend(TextNode.prototype, {
 });
 
 
+// TextNode.prototype.transformations.register(transformations.createContextTransformation({
+//     name: 'rng.breakContent',
+//     // impl: function(args) {
+//     //     var node = this.context,
+//     //         newNodes, emptyNode, emptyText;
+//     //     newNodes = node.transform('smartxml.split', {offset: args.offset});
+//     //     [newNodes.first, newNodes.second].some(function(newNode) {
+//     //         if(!(newNode.contents().length)) {
+//     //             newNode.transform('smartxml.append', {text: ''});
+//     //             return true; // break
+//     //         }
+//     //     });
+//     //     return _.extend(newNodes, {emptyText: emptyText});
+//     // },
+//     impl: function(args) {
+//         var node = this,
+//             newNodes, emptyNode, emptyText;
+//         newNodes = node.split({offset: args.offset});
+//         [newNodes.first, newNodes.second].some(function(newNode) {
+//             if(!(newNode.contents().length)) {
+//                 newNode.append({text: ''});
+//                 return true; // break
+//             }
+//         });
+//         return _.extend(newNodes, {emptyText: emptyText});
+//     },
+//     getChangeRoot: function() {
+//         return this.context.parent().parent();
+//     },
+//     isAllowed: function(args) {
+//         var parent = this.parent();
+//         return !!(parent && parent.parent());
+//     }
+// }));
+
+
+// ElementNode.prototype.transformations.register(transformations.createContextTransformation({
+//     name: 'smartxml.setText',
+//     impl: function(args) {
+//         this.setText(args.text);
+//     },
+//     getChangeRoot: function() {
+//         return this.context;
+//     }
+// }));
+
+
 var parseXML = function(xml) {
-    return $(xml)[0];
+    return $($.trim(xml))[0];
 };
 
 var Document = function(xml) {
     this.loadXML(xml);
+    this.undoStack = [];
+    this.redoStack = [];
+    this._transformationLevel = 0;
+    this.transformations = new transformations.TransformationStorage();
+    
+    this._nodeMethods = {};
+    this._nodeTransformations = new transformations.TransformationStorage();
 };
 
 $.extend(Document.prototype, Backbone.Events, {
@@ -373,6 +593,7 @@ $.extend(Document.prototype, Backbone.Events, {
     createDocumentNode: function(from) {
         if(!(from instanceof Node)) {
             if(from.text !== undefined) {
+                /* globals document */
                 from = document.createTextNode(from.text);
             } else {
                 var node = $('<' + from.tagName + '>');
@@ -390,7 +611,10 @@ $.extend(Document.prototype, Backbone.Events, {
         } else if(from.nodeType === Node.ELEMENT_NODE) {
             Factory = this.ElementNodeFactory;
         }
-        return new Factory(from, this);
+        var toret = new Factory(from, this);
+        _.extend(toret, this._nodeMethods);
+        toret.transformations = this._nodeTransformations;
+        return toret;
     },
 
     loadXML: function(xml, options) {
@@ -410,17 +634,17 @@ $.extend(Document.prototype, Backbone.Events, {
     },
 
     wrapNodes: function(params) {
-        if(!(params.element1.parent().sameNode(params.element2.parent()))) {
+        if(!(params.node1.parent().sameNode(params.node2.parent()))) {
             throw new Error('Wrapping non-sibling nodes not supported.');
         }
 
-        var parent = params.element1.parent(),
+        var parent = params.node1.parent(),
             parentContents = parent.contents(),
             wrapper = this.createDocumentNode({
                 tagName: params._with.tagName,
                 attrs: params._with.attrs}),
-            idx1 = parent.indexOf(params.element1),
-            idx2 = parent.indexOf(params.element2);
+            idx1 = parent.indexOf(params.node1),
+            idx2 = parent.indexOf(params.node2);
 
         if(idx1 > idx2) {
             var tmp = idx1;
@@ -517,6 +741,89 @@ $.extend(Document.prototype, Backbone.Events, {
     trigger: function() {
         //console.log('trigger: ' + arguments[0] + (arguments[1] ? ', ' + arguments[1].type : ''));
         Backbone.Events.trigger.apply(this, arguments);
+    },
+
+    getNodeInsertion: function(node) {
+        var insertion = {};
+        if(node instanceof DocumentNode) {
+            insertion.ofNode = node;
+            insertion.insertsNew = !this.containsNode(node);
+        } else {
+          insertion.ofNode = this.createDocumentNode(node);
+          insertion.insertsNew = true;
+        }
+        return insertion;
+    },
+
+    replaceRoot: function(node) {
+        var insertion = this.getNodeInsertion(node);
+        this.root.detach();
+        defineDocumentProperties(this, insertion.ofNode._$);
+        insertion.ofNode.triggerChangeEvent('nodeAdded');
+        return insertion.ofNode;
+    },
+
+    registerMethod: function(methodName, method) {
+        this[methodName] = method;
+    },
+
+    registerTransformation: function(Transformation) {
+        return this.transformations.register(Transformation);
+    },
+
+    registerNodeMethod: function(methodName, method) {
+        this._nodeMethods[methodName] = method;
+    },
+
+    registerNodeTransformation: function(Transformation) {
+        this._nodeTransformations.register(Transformation);
+    },
+
+
+    transform: function(transformation, args) {
+        //console.log('transform');
+        var Transformation, toret;
+        if(typeof transformation === 'string') {
+            Transformation = this.transformations.get(transformation);
+            if(Transformation) {
+                transformation = new Transformation(this, this, args);
+            }
+        } 
+        if(transformation) {
+            this._transformationLevel++;
+            toret = transformation.run();
+            if(this._transformationLevel === 1) {
+                this.undoStack.push(transformation);
+            }
+            this._transformationLevel--;
+            //console.log('clearing redo stack');
+            this.redoStack = [];
+            return toret;
+        } else {
+            throw new Error('Transformation ' + transformation + ' doesn\'t exist!');
+        }
+    },
+    undo: function() {
+        var transformation = this.undoStack.pop();
+        if(transformation) {
+            transformation.undo();
+            this.redoStack.push(transformation);
+        }
+    },
+    redo: function() {
+        var transformation = this.redoStack.pop();
+        if(transformation) {
+            transformation.run();
+            this.undoStack.push(transformation);
+        }
+    },
+
+    getNodeByPath: function(path) {
+        var toret = this.root;
+        path.forEach(function(idx) {
+            toret = toret.contents()[idx];
+        });
+        return toret;
     }
 });
 
@@ -529,9 +836,24 @@ var defineDocumentProperties = function(doc, $document) {
     }, configurable: true});
 };
 
+// Document.prototype.transformations.register(transformations.createContextTransformation({
+//     name: 'smartxml.wrapNodes',
+//     // init: function() {
+
+//     // },
+//     // getChangeRoot: function() {
+//     //     return this.context;
+//     // },
+//     impl: function(args) {
+//         this.wrapNodes(args);
+//     },
+
+// }));
+
+
 return {
     documentFromXML: function(xml) {
-        return new Document(parseXML(xml));
+        return new Document(xml);
     },
 
     elementNodeFromXML: function(xml) {
@@ -540,7 +862,8 @@ return {
 
     Document: Document,
     DocumentNode: DocumentNode,
-    ElementNode: ElementNode
+    ElementNode: ElementNode,
+    TextNode: TextNode
 };
 
 });
\ No newline at end of file