var TEXT_NODE = Node.TEXT_NODE;
+var INSERTION = function(implementation) {
+ var toret = function(node) {
+ var insertion = this.getNodeInsertion(node);
+ implementation.call(this, insertion.ofNode.nativeNode);
+ this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
+ return insertion.ofNode;
+ };
+ return toret;
+};
+
var DocumentNode = function(nativeNode, document) {
if(!document) {
throw new Error('undefined document for a node');
this._$ = $(nativeNode);
},
- detach: function() { this._$.detach(); },
+ isRoot: function() {
+ return this.document.root.sameNode(this);
+ },
+
+ detach: function() {
+ var parent = this.parent();
+ this._$.detach();
+ this.triggerChangeEvent('nodeDetached', {parent: parent});
+ return this;
+ },
sameNode: function(otherNode) {
- return this.nativeNode === otherNode.nativeNode;
+ return otherNode && this.nativeNode === otherNode.nativeNode;
},
parent: function() {
- return this.nativeNode.parentNode ? this.document.createElementNode(this.nativeNode.parentNode) : null;
+ var parentNode = this.nativeNode.parentNode;
+ if(parentNode && parentNode.nodeType === Node.ELEMENT_NODE) {
+ return this.document.createElementNode(parentNode);
+ }
+ return null;
},
- before: function(node) {
- this._$.before(node.nativeNode);
+ parents: function() {
+ var parent = this.parent(),
+ parents = parent ? parent.parents() : [];
+ if(parent) {
+ parents.unshift(parent);
+ }
+ return parents;
},
+ prev: function() {
+ var myIdx = this.getIndex();
+ return myIdx > 0 ? this.parent().contents()[myIdx-1] : null;
+ },
+
+ next: function() {
+ if(this.isRoot()) {
+ return null;
+ }
+ var myIdx = this.getIndex(),
+ parentContents = this.parent().contents();
+ return myIdx < parentContents.length - 1 ? parentContents[myIdx+1] : null;
+ },
+
+ after: INSERTION(function(nativeNode) {
+ return this._$.after(nativeNode);
+ }),
+
+ before: INSERTION(function(nativeNode) {
+ return this._$.before(nativeNode);
+ }),
+
wrapWith: function(node) {
+ var insertion = this.getNodeInsertion(node);
if(this.parent()) {
- this.before(node);
+ this.before(insertion.ofNode);
+ }
+ insertion.ofNode.append(this);
+ return insertion.ofNode;
+ },
+
+ /**
+ * Removes parent of a node if node has no siblings.
+ */
+ unwrap: function() {
+ if(this.isRoot()) {
+ return;
+ }
+ var parent = this.parent(),
+ grandParent;
+ if(parent.contents().length === 1) {
+ grandParent = parent.parent();
+ parent.unwrapContent();
+ return grandParent;
}
- node.append(this);
},
triggerChangeEvent: function(type, metaData) {
var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));
- this.document.trigger('change', event);
+ if(type === 'nodeDetached' || this.document.containsNode(event.meta.node)) {
+ this.document.trigger('change', event);
+ }
+ },
+
+ getNodeInsertion: function(node) {
+ var insertion = {};
+ if(node instanceof DocumentNode) {
+ insertion.ofNode = node;
+ insertion.insertsNew = !this.document.containsNode(node);
+ } else {
+ insertion.ofNode = this.document.createElementNode(node);
+ insertion.insertsNew = true;
+ }
+ return insertion;
},
+
+ getIndex: function() {
+ if(this.isRoot()) {
+ return 0;
+ }
+ return this.parent().indexOf(this);
+ }
});
var ElementNode = function(nativeNode, document) {
DocumentNode.call(this, nativeNode, document);
};
+ElementNode.prototype = Object.create(DocumentNode.prototype);
-$.extend(ElementNode.prototype, DocumentNode.prototype, {
+$.extend(ElementNode.prototype, {
nodeType: Node.ELEMENT_NODE,
+ detach: function() {
+ var prev = this.prev(),
+ next = this.next();
+ if(parent) {
+ if(prev && prev.nodeType === Node.TEXT_NODE && next && next.nodeType === Node.TEXT_NODE) {
+ prev.appendText(next.getText());
+ next.detach();
+ }
+ }
+ return DocumentNode.prototype.detach.call(this);
+ },
+
setData: function(key, value) {
if(value !== undefined) {
this._$.data(key, value);
return toret;
},
- append: function(documentNode) {
- this._$.append(documentNode.nativeNode);
- },
+ append: INSERTION(function(nativeNode) {
+ this._$.append(nativeNode);
+ }),
+
+ prepend: INSERTION(function(nativeNode) {
+ this._$.prepend(nativeNode);
+ }),
unwrapContent: function() {
var parent = this.parent();
myContents = this.contents(),
myIdx = parent.indexOf(this);
+
if(myContents.length === 0) {
return this.detach();
}
};
},
+ wrapText: function(params) {
+ return this.document._wrapText(_.extend({inside: this}, params));
+ },
+
toXML: function() {
var wrapper = $('<div>');
wrapper.append(this._getXMLDOMToDump());
var TextNode = function(nativeNode, document) {
DocumentNode.call(this, nativeNode, document);
};
+TextNode.prototype = Object.create(DocumentNode.prototype);
-$.extend(TextNode.prototype, DocumentNode.prototype, {
+$.extend(TextNode.prototype, {
nodeType: Node.TEXT_NODE,
getText: function() {
setText: function(text) {
this.nativeNode.data = text;
+ this.triggerTextChangeEvent();
},
appendText: function(text) {
this.nativeNode.data = this.nativeNode.data + text;
+ this.triggerTextChangeEvent();
},
prependText: function(text) {
this.nativeNode.data = text + this.nativeNode.data;
+ this.triggerTextChangeEvent();
+ },
+
+ wrapWith: function(desc) {
+ if(typeof desc.start === 'number' && typeof desc.end === 'number') {
+ return this.document._wrapText({
+ inside: this.parent(),
+ textNodeIdx: this.parent().indexOf(this),
+ offsetStart: Math.min(desc.start, desc.end),
+ offsetEnd: Math.max(desc.start, desc.end),
+ _with: {tagName: desc.tagName, attrs: desc.attrs}
+ });
+ } else {
+ return DocumentNode.prototype.wrapWith.call(this, desc);
+ }
+ },
+
+ triggerTextChangeEvent: function() {
+ var event = new events.ChangeEvent('nodeTextChange', {node: this});
+ this.document.trigger('change', event);
}
});
createElementNode: function(from) {
if(!(from instanceof HTMLElement)) {
- from = $('<' + from.tagName + '>');
+ if(from.text) {
+ from = document.createTextNode(from.text);
+ } else {
+ var node = $('<' + from.tagName + '>');
+
+ _.keys(from.attrs || {}).forEach(function(key) {
+ node.attr(key, from.attrs[key]);
+ });
+
+ from = node[0];
+ }
+ }
+ var Factory;
+ if(from.nodeType === Node.TEXT_NODE) {
+ Factory = this.TextNodeFactory;
+ } else if(from.nodeType === Node.ELEMENT_NODE) {
+ Factory = this.ElementNodeFactory;
}
- return new this.ElementNodeFactory(from, this);
+ return new Factory(from, this);
},
createTextNode: function(nativeNode) {
toXML: function() {
return this.root.toXML();
+ },
+
+ containsNode: function(node) {
+ return this.root && (node.nativeNode === this.root.nativeNode || node._$.parents().index(this.root._$) !== -1);
+ },
+
+ wrapNodes: function(params) {
+ if(!(params.element1.parent().sameNode(params.element2.parent()))) {
+ throw new Error('Wrapping non-sibling nodes not supported.');
+ }
+
+ var parent = params.element1.parent(),
+ parentContents = parent.contents(),
+ wrapper = this.createElementNode({
+ tagName: params._with.tagName,
+ attrs: params._with.attrs}),
+ idx1 = parent.indexOf(params.element1),
+ idx2 = parent.indexOf(params.element2);
+
+ if(idx1 > idx2) {
+ var tmp = idx1;
+ idx1 = idx2;
+ idx2 = tmp;
+ }
+
+ var insertingMethod, insertingTarget;
+ if(idx1 === 0) {
+ insertingMethod = 'prepend';
+ insertingTarget = parent;
+ } else {
+ insertingMethod = 'after';
+ insertingTarget = parentContents[idx1-1];
+ }
+
+ for(var i = idx1; i <= idx2; i++) {
+ wrapper.append(parentContents[i].detach());
+ }
+
+ insertingTarget[insertingMethod](wrapper);
+ return wrapper;
+ },
+
+ getSiblingParents: function(params) {
+ var parents1 = [params.node1].concat(params.node1.parents()).reverse(),
+ parents2 = [params.node2].concat(params.node2.parents()).reverse(),
+ noSiblingParents = null;
+
+ if(parents1.length === 0 || parents2.length === 0 || !(parents1[0].sameNode(parents2[0]))) {
+ return noSiblingParents;
+ }
+
+ var i;
+ for(i = 0; i < Math.min(parents1.length, parents2.length); i++) {
+ if(parents1[i].sameNode(parents2[i])) {
+ continue;
+ }
+ break;
+ }
+ return {node1: parents1[i], node2: parents2[i]};
+ },
+
+ _wrapText: function(params) {
+ params = _.extend({textNodeIdx: 0}, params);
+ if(typeof params.textNodeIdx === 'number') {
+ params.textNodeIdx = [params.textNodeIdx];
+ }
+
+ var contentsInside = params.inside.contents(),
+ idx1 = Math.min.apply(Math, params.textNodeIdx),
+ idx2 = Math.max.apply(Math, params.textNodeIdx),
+ textNode1 = contentsInside[idx1],
+ textNode2 = contentsInside[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)
+ ;
+
+ if(!(textNode1.parent().sameNode(textNode2.parent()))) {
+ throw new Error('Wrapping text in non-sibling text nodes not supported.');
+ }
+
+ var wrapperElement = this.createElementNode({tagName: params._with.tagName, attrs: params._with.attrs});
+ 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(contentsInside[i]);
+ }
+ if(suffixInside.length > 0) {
+ wrapperElement.append({text: suffixInside});
+ }
+ }
+ if(suffixOutside.length > 0) {
+ wrapperElement.after({text: suffixOutside});
+ }
+ return wrapperElement;
+ },
+
+ trigger: function() {
+ //console.log('trigger: ' + arguments[0] + (arguments[1] ? ', ' + arguments[1].type : ''));
+ Backbone.Events.trigger.apply(this, arguments);
}
});
fnp / fnpeditor.git / blobdiff