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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
var Montage = require("montage/core/core").Montage,
ElementModel = require("js/models/element-model").ElementModel,
Properties3D = require("js/models/properties-3d").Properties3D,
ShapeModel = require("js/models/shape-model").ShapeModel,
ControllerFactory = require("js/controllers/elements/controller-factory").ControllerFactory;
exports.NJUtils = Object.create(Object.prototype, {
/* =============== DOM Access ================ */
///// Quick "getElementById"
$ : {
value: function(id) {
return document.getElementById(id);
}
},
///// Quick "getElementsByClassName" which also returns as an Array
///// Can return as NodeList by passing true as second argument
$$ : {
value: function(className, asNodeList) {
var list = document.getElementsByClassName(className);
return (asNodeList) ? list : this.toArray(list);
}
},
///// Get child nodes of element
///// Omit filter to only return element nodes
///// Pass in filter function to minimize collection, or
///// set to true to include all nodes
children : {
value : function(el, filter) {
var f = filter || function(item) {
return item.nodeType === 1;
};
return this.toArray(el.childNodes).filter(f);
}
},
/* ============= DOM Manipulation ============= */
///// Creates and returns text node from string
textNode : {
value: function(text) {
return document.createTextNode(text);
}
},
///// Quick "createElement" function "attr" can be classname or object
///// with attribute key/values
make : {
value: function(tag, attr) {
var el = document.createElement(tag);
if (typeof attr === 'object') {
for (var a in attr) {
if (attr.hasOwnProperty(a)) {
el[a] = attr[a];
}
}
} else if (typeof attr === 'string') {
el.className = (el.className + ' ' + attr).trim();
}
return el;
}
},
///// Element factory function for Ninja Elements
///// selection is the string displayed in the PI
makeNJElement: {
value: function(tag, selection, controller, attr, isShape) {
var el = this.make(tag, attr);
this.makeElementModel(el, selection, controller, isShape);
return el;
}
},
///// Element Model creation for existing elements
///// TODO: find a different place for this function
makeElementModel: {
value: function(el, selection, controller, isShape) {
var p3d = Montage.create(Properties3D).init(el);
var shapeProps = null;
if(isShape) {
shapeProps = Montage.create(ShapeModel);
}
el.elementModel = Montage.create(ElementModel, {
type: { value: el.nodeName},
selection: { value: selection},
controller: { value: ControllerFactory.getController(controller)},
pi: { value: controller + "Pi"},
props3D: { value: p3d},
shapeModel: { value: shapeProps}
});
}
},
///// Element Model creation for existing elements based on element type.
///// TODO: find a different place for this function and return different element models based on type.
makeElementModel2: {
value: function(el) {
this.makeElementModel(el, "Div", "block", false);
}
},
///// Removes all child nodes and returns node
///// Accepts a single node, or an array of dom nodes
empty : {
value: function(node) {
var elements = [],
self = this;
if (node.constructor === Array) {
node.forEach(function(el) { self.empty(el) });
} else {
this.toArray(node.childNodes).forEach(function(child) {
child.parentNode.removeChild(child);
});
}
return node;
}
},
queryParentSelector : {
value: function(el, strSelector) {
// queryParentSelector:
// Given a DOM element el (required), walk up the DOM tree
// and find the first parent that matches selector strSelector (required).
// Returns: The element that matches, or false if there is no match
// or if insufficient parameters are supplied.
if ((typeof(el) === "undefined") || (typeof(strSelector) === "undefined")) {
// Parameters are required, m'kay?
return false;
} else if ((typeof(el) !== "object") || (typeof(strSelector) !== "string" )) {
// You also have to use the right parameters.
return false;
}
// First, get an empty clone of the parent.
var myParent = el.parentNode;
var clone = myParent.cloneNode(false);
if (clone === null) {
return false;
}
// If we're at the top of the DOM, our clone will be an htmlDocument.
// htmlDocument has no tagName.
if (typeof(clone.tagName) !== "undefined") {
// create a bogus div to use as a base for querySelector
var temp = document.createElement("div");
// Append the clone to the bogus div
temp.appendChild(clone);
// Now we can use querySelector! Sweet.
var selectorTest = temp.querySelector(strSelector);
// What has querySelector returned?
if (selectorTest === null) {
// No match, so recurse.
return this.queryParentSelector(myParent, strSelector);
} else {
// Match! Return the element.
return myParent;
}
} else {
// We're at the top of the DOM so we're done.
return false;
}
}
},
/* ================= Style methods ================= */
///// Get computed height of element
height : {
value: function(node, pseudo) {
return node.ownerDocument.defaultView.getComputedStyle(node, pseudo).getPropertyValue('height');
}
},
/* ================= Array methods ================= */
///// Return an array from an array-like object
toArray : {
value: function(arrayLikeObj) {
return Array.prototype.slice.call(arrayLikeObj);
}
},
/* ================= String methods ================= */
///// Return the last part of a path (e.g. filename)
getFileNameFromPath : {
value: function(path) {
return path.substr(path.lastIndexOf('/') + 1);
}
}
});
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