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333 lines
13 KiB
JavaScript
333 lines
13 KiB
JavaScript
/*!
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* zeroclipboard
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* The Zero Clipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie, and a JavaScript interface.
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* Copyright 2012 Jon Rohan, James M. Greene, .
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* Released under the MIT license
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* http://jonrohan.github.com/ZeroClipboard/
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* v1.1.6
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*/(function() {
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"use strict";
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var _getStyle = function(el, prop) {
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var y = el.style[prop];
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if (el.currentStyle) y = el.currentStyle[prop]; else if (window.getComputedStyle) y = document.defaultView.getComputedStyle(el, null).getPropertyValue(prop);
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if (y == "auto" && prop == "cursor") {
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var possiblePointers = [ "a" ];
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for (var i = 0; i < possiblePointers.length; i++) {
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if (el.tagName.toLowerCase() == possiblePointers[i]) {
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return "pointer";
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}
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}
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}
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return y;
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};
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var _elementMouseOver = function(event) {
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if (!ZeroClipboard.prototype._singleton) return;
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if (!event) {
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event = window.event;
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}
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var target;
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if (this !== window) {
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target = this;
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} else if (event.target) {
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target = event.target;
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} else if (event.srcElement) {
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target = event.srcElement;
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}
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ZeroClipboard.prototype._singleton.setCurrent(target);
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};
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var _addEventHandler = function(element, method, func) {
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if (element.addEventListener) {
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element.addEventListener(method, func, false);
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} else if (element.attachEvent) {
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element.attachEvent("on" + method, func);
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}
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};
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var _removeEventHandler = function(element, method, func) {
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if (element.removeEventListener) {
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element.removeEventListener(method, func, false);
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} else if (element.detachEvent) {
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element.detachEvent("on" + method, func);
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}
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};
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var _addClass = function(element, value) {
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if (element.addClass) {
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element.addClass(value);
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return element;
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}
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if (value && typeof value === "string") {
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var classNames = (value || "").split(/\s+/);
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if (element.nodeType === 1) {
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if (!element.className) {
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element.className = value;
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} else {
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var className = " " + element.className + " ", setClass = element.className;
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for (var c = 0, cl = classNames.length; c < cl; c++) {
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if (className.indexOf(" " + classNames[c] + " ") < 0) {
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setClass += " " + classNames[c];
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}
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}
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element.className = setClass.replace(/^\s+|\s+$/g, "");
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}
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}
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}
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return element;
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};
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var _removeClass = function(element, value) {
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if (element.removeClass) {
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element.removeClass(value);
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return element;
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}
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if (value && typeof value === "string" || value === undefined) {
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var classNames = (value || "").split(/\s+/);
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if (element.nodeType === 1 && element.className) {
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if (value) {
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var className = (" " + element.className + " ").replace(/[\n\t]/g, " ");
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for (var c = 0, cl = classNames.length; c < cl; c++) {
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className = className.replace(" " + classNames[c] + " ", " ");
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}
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element.className = className.replace(/^\s+|\s+$/g, "");
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} else {
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element.className = "";
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}
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}
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}
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return element;
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};
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var _getDOMObjectPosition = function(obj) {
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var info = {
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left: 0,
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top: 0,
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width: obj.width || obj.offsetWidth || 0,
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height: obj.height || obj.offsetHeight || 0,
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zIndex: 9999
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};
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var zi = _getStyle(obj, "zIndex");
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if (zi && zi != "auto") {
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info.zIndex = parseInt(zi, 10);
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}
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while (obj) {
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var borderLeftWidth = parseInt(_getStyle(obj, "borderLeftWidth"), 10);
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var borderTopWidth = parseInt(_getStyle(obj, "borderTopWidth"), 10);
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info.left += isNaN(obj.offsetLeft) ? 0 : obj.offsetLeft;
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info.left += isNaN(borderLeftWidth) ? 0 : borderLeftWidth;
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info.top += isNaN(obj.offsetTop) ? 0 : obj.offsetTop;
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info.top += isNaN(borderTopWidth) ? 0 : borderTopWidth;
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obj = obj.offsetParent;
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}
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return info;
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};
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var _noCache = function(path) {
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return (path.indexOf("?") >= 0 ? "&" : "?") + "nocache=" + (new Date).getTime();
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};
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var _vars = function(options) {
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var str = [];
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if (options.trustedDomains) {
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if (options.trustedDomains.length) {
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str.push("trustedDomain=" + options.trustedDomains.join(","));
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} else {
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str.push("trustedDomain=" + options.trustedDomains);
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}
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}
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return str.join("&");
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};
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var _inArray = function(elem, array) {
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if (array.indexOf) {
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return array.indexOf(elem);
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}
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for (var i = 0, length = array.length; i < length; i++) {
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if (array[i] === elem) {
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return i;
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}
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}
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return -1;
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};
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var _prepGlue = function(elements) {
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if (typeof elements === "string") throw new TypeError("ZeroClipboard doesn't accept query strings.");
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if (!elements.length) return [ elements ];
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return elements;
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};
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var ZeroClipboard = function(elements, options) {
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if (elements) (ZeroClipboard.prototype._singleton || this).glue(elements);
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if (ZeroClipboard.prototype._singleton) return ZeroClipboard.prototype._singleton;
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ZeroClipboard.prototype._singleton = this;
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this.options = {};
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for (var kd in _defaults) this.options[kd] = _defaults[kd];
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for (var ko in options) this.options[ko] = options[ko];
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this.handlers = {};
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if (ZeroClipboard.detectFlashSupport()) _bridge();
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};
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var currentElement, gluedElements = [];
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ZeroClipboard.prototype.setCurrent = function(element) {
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currentElement = element;
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this.reposition();
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this.setText(this.options.text || element.getAttribute("data-clipboard-text") || document.getElementById(element.getAttribute("data-clipboard-target")).innerHTML);
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if (element.getAttribute("title")) {
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this.setTitle(element.getAttribute("title"));
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}
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this.setHandCursor(_getStyle(element, "cursor") == "pointer");
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};
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ZeroClipboard.prototype.setText = function(newText) {
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if (newText && newText !== "") {
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this.options.text = newText;
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if (this.ready()) this.flashBridge.setText(newText);
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}
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};
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ZeroClipboard.prototype.setTitle = function(newTitle) {
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if (newTitle && newTitle !== "") this.htmlBridge.setAttribute("title", newTitle);
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};
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ZeroClipboard.prototype.setSize = function(width, height) {
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if (this.ready()) this.flashBridge.setSize(width, height);
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};
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ZeroClipboard.prototype.setHandCursor = function(enabled) {
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if (this.ready()) this.flashBridge.setHandCursor(enabled);
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};
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ZeroClipboard.version = "1.1.6";
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var _defaults = {
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moviePath: "ZeroClipboard.swf",
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trustedDomains: null,
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text: null,
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hoverClass: "zeroclipboard-is-hover",
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activeClass: "zeroclipboard-is-active"
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};
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ZeroClipboard.setDefaults = function(options) {
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for (var ko in options) _defaults[ko] = options[ko];
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};
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ZeroClipboard.destroy = function() {
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ZeroClipboard.prototype._singleton.unglue(gluedElements);
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var bridge = ZeroClipboard.prototype._singleton.htmlBridge;
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bridge.parentNode.removeChild(bridge);
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delete ZeroClipboard.prototype._singleton;
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};
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ZeroClipboard.detectFlashSupport = function() {
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var hasFlash = false;
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try {
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if (new ActiveXObject("ShockwaveFlash.ShockwaveFlash")) {
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hasFlash = true;
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}
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} catch (error) {
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if (navigator.mimeTypes["application/x-shockwave-flash"]) {
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hasFlash = true;
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}
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}
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return hasFlash;
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};
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var _bridge = function() {
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var client = ZeroClipboard.prototype._singleton;
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client.htmlBridge = document.getElementById("global-zeroclipboard-html-bridge");
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if (client.htmlBridge) {
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client.flashBridge = document["global-zeroclipboard-flash-bridge"];
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return;
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}
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var html = ' <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" id="global-zeroclipboard-flash-bridge" width="100%" height="100%"> <param name="movie" value="' + client.options.moviePath + _noCache(client.options.moviePath) + '"/> <param name="allowScriptAccess" value="always" /> <param name="scale" value="exactfit"> <param name="loop" value="false" /> <param name="menu" value="false" /> <param name="quality" value="best" /> <param name="bgcolor" value="#ffffff" /> <param name="wmode" value="transparent"/> <param name="flashvars" value="' + _vars(client.options) + '"/> <embed src="' + client.options.moviePath + _noCache(client.options.moviePath) + '" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="100%" height="100%" name="global-zeroclipboard-flash-bridge" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" wmode="transparent" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="' + _vars(client.options) + '" scale="exactfit"> </embed> </object>';
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client.htmlBridge = document.createElement("div");
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client.htmlBridge.id = "global-zeroclipboard-html-bridge";
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client.htmlBridge.setAttribute("class", "global-zeroclipboard-container");
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client.htmlBridge.setAttribute("data-clipboard-ready", false);
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client.htmlBridge.style.position = "absolute";
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client.htmlBridge.style.left = "-9999px";
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client.htmlBridge.style.top = "-9999px";
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client.htmlBridge.style.width = "15px";
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client.htmlBridge.style.height = "15px";
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client.htmlBridge.style.zIndex = "9999";
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client.htmlBridge.innerHTML = html;
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document.body.appendChild(client.htmlBridge);
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client.flashBridge = document["global-zeroclipboard-flash-bridge"];
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};
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ZeroClipboard.prototype.resetBridge = function() {
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this.htmlBridge.style.left = "-9999px";
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this.htmlBridge.style.top = "-9999px";
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this.htmlBridge.removeAttribute("title");
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this.htmlBridge.removeAttribute("data-clipboard-text");
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_removeClass(currentElement, this.options.activeClass);
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currentElement = null;
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};
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ZeroClipboard.prototype.ready = function() {
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var ready = this.htmlBridge.getAttribute("data-clipboard-ready");
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return ready === "true" || ready === true;
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};
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ZeroClipboard.prototype.reposition = function() {
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if (!currentElement) return false;
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var pos = _getDOMObjectPosition(currentElement);
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this.htmlBridge.style.top = pos.top + "px";
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this.htmlBridge.style.left = pos.left + "px";
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this.htmlBridge.style.width = pos.width + "px";
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this.htmlBridge.style.height = pos.height + "px";
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this.htmlBridge.style.zIndex = pos.zIndex + 1;
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this.setSize(pos.width, pos.height);
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};
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ZeroClipboard.dispatch = function(eventName, args) {
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ZeroClipboard.prototype._singleton.receiveEvent(eventName, args);
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};
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ZeroClipboard.prototype.on = function(eventName, func) {
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var events = eventName.toString().split(/\s/g);
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for (var i = 0; i < events.length; i++) {
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eventName = events[i].toLowerCase().replace(/^on/, "");
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if (!this.handlers[eventName]) this.handlers[eventName] = func;
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}
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if (this.handlers.noflash && !ZeroClipboard.detectFlashSupport()) {
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this.receiveEvent("onNoFlash", null);
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}
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};
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ZeroClipboard.prototype.addEventListener = ZeroClipboard.prototype.on;
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ZeroClipboard.prototype.receiveEvent = function(eventName, args) {
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eventName = eventName.toString().toLowerCase().replace(/^on/, "");
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var element = currentElement;
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switch (eventName) {
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case "load":
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if (args && parseFloat(args.flashVersion.replace(",", ".").replace(/[^0-9\.]/gi, "")) < 10) {
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this.receiveEvent("onWrongFlash", {
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flashVersion: args.flashVersion
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});
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return;
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}
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this.htmlBridge.setAttribute("data-clipboard-ready", true);
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break;
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case "mouseover":
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_addClass(element, this.options.hoverClass);
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break;
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case "mouseout":
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_removeClass(element, this.options.hoverClass);
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this.resetBridge();
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break;
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case "mousedown":
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_addClass(element, this.options.activeClass);
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break;
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case "mouseup":
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_removeClass(element, this.options.activeClass);
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break;
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case "complete":
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this.options.text = null;
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break;
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}
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if (this.handlers[eventName]) {
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var func = this.handlers[eventName];
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if (typeof func == "function") {
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func.call(element, this, args);
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} else if (typeof func == "string") {
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window[func].call(element, this, args);
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}
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}
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};
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ZeroClipboard.prototype.glue = function(elements) {
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elements = _prepGlue(elements);
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for (var i = 0; i < elements.length; i++) {
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if (_inArray(elements[i], gluedElements) == -1) {
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gluedElements.push(elements[i]);
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_addEventHandler(elements[i], "mouseover", _elementMouseOver);
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}
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}
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};
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ZeroClipboard.prototype.unglue = function(elements) {
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elements = _prepGlue(elements);
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for (var i = 0; i < elements.length; i++) {
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_removeEventHandler(elements[i], "mouseover", _elementMouseOver);
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var arrayIndex = _inArray(elements[i], gluedElements);
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if (arrayIndex != -1) gluedElements.splice(arrayIndex, 1);
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}
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};
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if (typeof module !== "undefined") {
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module.exports = ZeroClipboard;
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} else {
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window.ZeroClipboard = ZeroClipboard;
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}
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})(); |