269 lines
No EOL
8.6 KiB
JavaScript
269 lines
No EOL
8.6 KiB
JavaScript
'use strict';
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/*@
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Ox.canvas <function> Generic canvas object
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# Description --------------------------------------------------------------
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Returns an object with the properties: <code>canvas</code>,
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<code>context</code>, <code>data</code> and <code>imageData</code>.
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# Usage --------------------------------------------------------------------
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Ox.canvas(width, height) -> <object> canvas
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Ox.canvas(image) -> <object> canvas
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# Arguments ----------------------------------------------------------------
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width <n> Width in px
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height <n> Height in px
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image <e> Image object
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@*/
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Ox.canvas = function() {
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var c = {}, isImage = arguments.length == 1,
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image = isImage ? arguments[0] : {
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width: arguments[0], height: arguments[1]
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};
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c.context = (c.canvas = Ox.element('<canvas>').attr({
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width: image.width, height: image.height
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})[0]).getContext('2d');
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isImage && c.context.drawImage(image, 0, 0);
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c.data = (c.imageData = c.context.getImageData(
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0, 0, image.width, image.height
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)).data;
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return c;
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};
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/*@
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Ox.documentReady <function> Calls a callback function once the DOM is ready
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(callback) -> <boolean> If true, the document was ready
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callback <function> Callback function
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@*/
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Ox.documentReady = (function() {
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var callbacks = [];
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document.onreadystatechange = function() {
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if (document.readyState == 'complete') {
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callbacks.forEach(function(callback) {
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callback();
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});
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}
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};
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return function(callback) {
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if (document.readyState == 'complete') {
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callback();
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return true;
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} else {
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callbacks.push(callback);
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return false;
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}
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};
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}());
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/*@
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Ox.element <f> Generic HTML element, mimics jQuery
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(str) -> <o> Element object
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str <s> Tagname ('<tagname>') or selector ('tagname', '.classname', '#id')
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> Ox.element("<div>").addClass("red").hasClass("red")
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true
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> Ox.element("<div>").addClass("red").removeClass("red").hasClass("red")
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false
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> Ox.element("<div>").addClass("red").addClass("red")[0].className
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"red"
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> Ox.element("<div>").attr({id: "red"}).attr("id")
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"red"
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> Ox.element("<div>").css("color", "red").css("color")
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"red"
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> Ox.element("<div>").html("red").html()
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"red"
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@*/
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Ox.$ = Ox.element = function(val) {
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// fixme: remove click and mousedown,
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// add native css selector
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// take all matches of getElementsBy...
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var element = Ox.isObject(val) ? val // window or document
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: val[0] == '<' ? document.createElement(Ox.sub(val, 1, -1))
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: val[0] == '#' ? document.getElementById(Ox.sub(val, 1))
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: val[0] == '.' ? document.getElementsByClassName(Ox.sub(val, 1))[0]
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: document.getElementsByTagName(val)[0];
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return element ? {
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//@ 0 <e> The DOM element itself
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0: element,
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/*@
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addClass <f> Adds a class name
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(className) -> <o> This element
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className <s> Class name
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@*/
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addClass: function(str) {
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/* fixme:
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this[0].className = Ox.unique(
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this[0].className.split(' ').push(className)
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).join(' ');
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*/
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this[0].className = this[0].className
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? Ox.unique(
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(this[0].className + ' ' + str).split(' ')
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).join(' ')
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: str;
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return this;
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},
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/*@
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append <f> Appends another element to this element
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(element) -> <o> This element
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element <o> Another element
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@*/
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append: function(element) {
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this[0].appendChild(element[0]);
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return this;
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},
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/*@
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appendTo <f> appends this element object to another element object
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(element) -> <o> This element
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element <o> Another element
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@*/
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appendTo: function(element) {
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element[0].appendChild(this[0]);
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return this;
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},
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/*@
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attr <f> Gets or sets an attribute
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(key) -> <s> Value
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(key, value) -> <o> This element
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({key, value}) -> <o> This element
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key <str> Attribute name
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value <str> Attribute value
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@*/
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attr: function() {
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var ret, that = this;
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if (arguments.length == 1 && Ox.isString(arguments[0])) {
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ret = this[0].getAttribute(arguments[0]);
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} else {
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Ox.forEach(Ox.makeObject(arguments), function(v, k) {
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that[0].setAttribute(k, v);
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});
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ret = this;
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}
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return ret;
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},
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bind: function(events) {
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var that = this;
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Ox.forEach(Ox.makeObject(arguments), function(callback, event) {
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that[0]['on' + event] = callback;
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});
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return this;
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},
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bindOnce: function(events) {
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var that = this;
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Ox.forEach(Ox.makeObject(arguments), function(callback, event) {
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that[0]['on' + event] = function() {
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that.unbind(event);
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callback();
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};
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});
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return this;
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},
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/*@
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click <f> Binds a function to the click event
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(callback) -> <o> This element
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callback <f> Callback function
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event <o> The DOM event
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@*/
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click: function(callback) {
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this[0].onclick = callback;
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return this;
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},
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/*@
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css <f> Gets or sets a CSS attribute
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(key) -> <s> Value
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(key, value) -> <o> This element
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({key, value}) -> <o> This element
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key <str> Attribute name
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value <str> Attribute value
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@*/
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css: function() {
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var ret, that = this;
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if (arguments.length == 1 && Ox.isString(arguments[0])) {
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ret = this[0].style[arguments[0]];
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} else {
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Ox.forEach(Ox.makeObject(arguments), function(v, k) {
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that[0].style[k] = v;
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});
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ret = this;
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}
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return ret;
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},
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empty: function() {
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return this.html('');
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},
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/*@
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hasClass <f> Returns true if the element has a given class
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(className) -> <b> True if the element has the class
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className <s> Class name
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@*/
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hasClass: function(str) {
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return this[0].className.split(' ').indexOf(str) > -1;
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},
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height: function() {
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return this[0].offsetHeight;
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},
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hide: function() {
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return this.css({display: 'none'});
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},
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/*@
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html <f> Gets or sets the inner HTML
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() -> <s> The inner HTML
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(html) -> <o> This element
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html <s> The inner HTML
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@*/
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html: function(str) {
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var ret;
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if (Ox.isUndefined(str)) {
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ret = this[0].innerHTML;
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} else {
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this[0].innerHTML = str;
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ret = this;
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}
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return ret;
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},
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/*@
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mousedown <f> Binds a function to the mousedown event
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(callback) -> <o> This element
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callback <f> Callback function
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event <o> The DOM event
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@*/
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mousedown: function(callback) {
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this[0].onmousedown = callback;
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return this;
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},
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remove: function() {
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this[0].parentNode.removeChild(this[0]);
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return this;
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},
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/*@
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removeAttr <f> Removes an attribute
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(key) -> <o> This element
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key <s> The attribute
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@*/
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removeAttr: function(key) {
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this[0].removeAttribute(key);
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return this;
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},
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/*@
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removeClass <f> Removes a class name
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(className) -> <o> This element
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className <s> Class name
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@*/
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removeClass: function(str) {
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this[0].className = Ox.filter(
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this[0].className.split(' '), function(className) {
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return className != str;
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}
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).join(' ');
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return this;
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},
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show: function() {
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return this.css({display: 'block'});
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},
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unbind: function(event) {
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this[0]['on' + event] = null;
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return this;
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},
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width: function() {
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return this[0].offsetWidth;
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}
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} : null;
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}; |