/*!
* ZeroClipboard
* The ZeroClipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie and a JavaScript interface.
* Copyright (c) 2013 Jon Rohan, James M. Greene
* Licensed MIT
* http://www.yunpansou.cn/
* v1.2.0-beta.4
*/
(function() {
"use strict";
var _camelizeCssPropName = function() {
var matcherRegex = /\-([a-z])/g, replacerFn = function(match, group) {
return group.toUpperCase();
};
return function(prop) {
return prop.replace(matcherRegex, replacerFn);
};
}();
var _getStyle = function(el, prop) {
var value, camelProp, tagName, possiblePointers, i, len;
if (window.getComputedStyle) {
value = window.getComputedStyle(el, null).getPropertyValue(prop);
} else {
camelProp = _camelizeCssPropName(prop);
if (el.currentStyle) {
value = el.currentStyle[camelProp];
} else {
value = el.style[camelProp];
}
}
if (prop === "cursor") {
if (!value || value === "auto") {
tagName = el.tagName.toLowerCase();
possiblePointers = [ "a" ];
for (i = 0, len = possiblePointers.length; i < len; i++) {
if (tagName === possiblePointers[i]) {
return "pointer";
}
}
}
}
return value;
};
var _elementMouseOver = function(event) {
if (!ZeroClipboard.prototype._singleton) return;
if (!event) {
event = window.event;
}
var target;
if (this !== window) {
target = this;
} else if (event.target) {
target = event.target;
} else if (event.srcElement) {
target = event.srcElement;
}
ZeroClipboard.prototype._singleton.setCurrent(target);
};
var _addEventHandler = function(element, method, func) {
if (element.addEventListener) {
element.addEventListener(method, func, false);
} else if (element.attachEvent) {
element.attachEvent("on" + method, func);
}
};
var _removeEventHandler = function(element, method, func) {
if (element.removeEventListener) {
element.removeEventListener(method, func, false);
} else if (element.detachEvent) {
element.detachEvent("on" + method, func);
}
};
var _addClass = function(element, value) {
if (element.addClass) {
element.addClass(value);
return element;
}
if (value && typeof value === "string") {
var classNames = (value || "").split(/\s+/);
if (element.nodeType === 1) {
if (!element.className) {
element.className = value;
} else {
var className = " " + element.className + " ", setClass = element.className;
for (var c = 0, cl = classNames.length; c < cl; c++) {
if (className.indexOf(" " + classNames[c] + " ") < 0) {
setClass += " " + classNames[c];
}
}
element.className = setClass.replace(/^\s+|\s+$/g, "");
}
}
}
return element;
};
var _removeClass = function(element, value) {
if (element.removeClass) {
element.removeClass(value);
return element;
}
if (value && typeof value === "string" || value === undefined) {
var classNames = (value || "").split(/\s+/);
if (element.nodeType === 1 && element.className) {
if (value) {
var className = (" " + element.className + " ").replace(/[\n\t]/g, " ");
for (var c = 0, cl = classNames.length; c < cl; c++) {
className = className.replace(" " + classNames[c] + " ", " ");
}
element.className = className.replace(/^\s+|\s+$/g, "");
} else {
element.className = "";
}
}
}
return element;
};
var _getZoomFactor = function() {
var rect, physicalWidth, logicalWidth, zoomFactor = 1;
if (typeof document.body.getBoundingClientRect === "function") {
rect = document.body.getBoundingClientRect();
physicalWidth = rect.right - rect.left;
logicalWidth = document.body.offsetWidth;
zoomFactor = Math.round(physicalWidth / logicalWidth * 100) / 100;
}
return zoomFactor;
};
var _getDOMObjectPosition = function(obj) {
var info = {
left: 0,
top: 0,
width: 0,
height: 0,
zIndex: 999999999
};
var zi = _getStyle(obj, "z-index");
if (zi && zi !== "auto") {
info.zIndex = parseInt(zi, 10);
}
if (obj.getBoundingClientRect) {
var rect = obj.getBoundingClientRect();
var pageXOffset, pageYOffset, zoomFactor;
if ("pageXOffset" in window && "pageYOffset" in window) {
pageXOffset = window.pageXOffset;
pageYOffset = window.pageYOffset;
} else {
zoomFactor = _getZoomFactor();
pageXOffset = Math.round(document.documentElement.scrollLeft / zoomFactor);
pageYOffset = Math.round(document.documentElement.scrollTop / zoomFactor);
}
var leftBorderWidth = document.documentElement.clientLeft || 0;
var topBorderWidth = document.documentElement.clientTop || 0;
info.left = rect.left + pageXOffset - leftBorderWidth;
info.top = rect.top + pageYOffset - topBorderWidth;
info.width = "width" in rect ? rect.width : rect.right - rect.left;
info.height = "height" in rect ? rect.height : rect.bottom - rect.top;
}
return info;
};
var _noCache = function(path, options) {
var useNoCache = !(options && options.useNoCache === false);
if (useNoCache) {
return (path.indexOf("?") === -1 ? "?" : "&") + "nocache=" + new Date().getTime();
} else {
return "";
}
};
var _vars = function(options) {
var str = [];
var origins = [];
if (options.trustedOrigins) {
if (typeof options.trustedOrigins === "string") {
origins = origins.push(options.trustedOrigins);
} else if (typeof options.trustedOrigins === "object" && "length" in options.trustedOrigins) {
origins = origins.concat(options.trustedOrigins);
}
}
if (options.trustedDomains) {
if (typeof options.trustedDomains === "string") {
origins = origins.push(options.trustedDomains);
} else if (typeof options.trustedDomains === "object" && "length" in options.trustedDomains) {
origins = origins.concat(options.trustedDomains);
}
}
if (origins.length) {
str.push("trustedOrigins=" + encodeURIComponent(origins.join(",")));
}
if (typeof options.amdModuleId === "string" && options.amdModuleId) {
str.push("amdModuleId=" + encodeURIComponent(options.amdModuleId));
}
if (typeof options.cjsModuleId === "string" && options.cjsModuleId) {
str.push("cjsModuleId=" + encodeURIComponent(options.cjsModuleId));
}
return str.join("&");
};
var _inArray = function(elem, array) {
if (array.indexOf) {
return array.indexOf(elem);
}
for (var i = 0, length = array.length; i < length; i++) {
if (array[i] === elem) {
return i;
}
}
return -1;
};
var _prepGlue = function(elements) {
if (typeof elements === "string") throw new TypeError("ZeroClipboard doesn't accept query strings.");
if (!elements.length) return [ elements ];
return elements;
};
var _dispatchCallback = function(func, element, instance, args, async) {
if (async) {
window.setTimeout(function() {
func.call(element, instance, args);
}, 0);
} else {
func.call(element, instance, args);
}
};
var ZeroClipboard = function(elements, options) {
if (elements) (ZeroClipboard.prototype._singleton || this).glue(elements);
if (ZeroClipboard.prototype._singleton) return ZeroClipboard.prototype._singleton;
ZeroClipboard.prototype._singleton = this;
this.options = {};
for (var kd in _defaults) this.options[kd] = _defaults[kd];
for (var ko in options) this.options[ko] = options[ko];
this.handlers = {};
if (ZeroClipboard.detectFlashSupport()) _bridge();
};
var currentElement, gluedElements = [];
ZeroClipboard.prototype.setCurrent = function(element) {
currentElement = element;
this.reposition();
var titleAttr = element.getAttribute("title");
if (titleAttr) {
this.setTitle(titleAttr);
}
var useHandCursor = this.options.forceHandCursor === true || _getStyle(element, "cursor") === "pointer";
_setHandCursor.call(this, useHandCursor);
};
ZeroClipboard.prototype.setText = function(newText) {
if (newText && newText !== "") {
this.options.text = newText;
if (this.ready()) this.flashBridge.setText(newText);
}
};
ZeroClipboard.prototype.setTitle = function(newTitle) {
if (newTitle && newTitle !== "") this.htmlBridge.setAttribute("title", newTitle);
};
ZeroClipboard.prototype.setSize = function(width, height) {
if (this.ready()) this.flashBridge.setSize(width, height);
};
ZeroClipboard.prototype.setHandCursor = function(enabled) {
enabled = typeof enabled === "boolean" ? enabled : !!enabled;
_setHandCursor.call(this, enabled);
this.options.forceHandCursor = enabled;
};
var _setHandCursor = function(enabled) {
if (this.ready()) this.flashBridge.setHandCursor(enabled);
};
ZeroClipboard.version = "1.2.0-beta.4";
var _defaults = {
moviePath: "ZeroClipboard.swf",
trustedOrigins: null,
text: null,
hoverClass: "zeroclipboard-is-hover",
activeClass: "zeroclipboard-is-active",
allowScriptAccess: "sameDomain",
useNoCache: true,
forceHandCursor: false
};
ZeroClipboard.setDefaults = function(options) {
for (var ko in options) _defaults[ko] = options[ko];
};
ZeroClipboard.destroy = function() {
ZeroClipboard.prototype._singleton.unglue(gluedElements);
var bridge = ZeroClipboard.prototype._singleton.htmlBridge;
bridge.parentNode.removeChild(bridge);
delete ZeroClipboard.prototype._singleton;
};
ZeroClipboard.detectFlashSupport = function() {
var hasFlash = false;
if (typeof ActiveXObject === "function") {
try {
if (new ActiveXObject("ShockwaveFlash.ShockwaveFlash")) {
hasFlash = true;
}
} catch (error) {}
}
if (!hasFlash && navigator.mimeTypes["application/x-shockwave-flash"]) {
hasFlash = true;
}
return hasFlash;
};
var _amdModuleId = null;
var _cjsModuleId = null;
var _bridge = function() {
var client = ZeroClipboard.prototype._singleton;
var container = document.getElementById("global-zeroclipboard-html-bridge");
if (!container) {
var opts = {};
for (var ko in client.options) opts[ko] = client.options[ko];
opts.amdModuleId = _amdModuleId;
opts.cjsModuleId = _cjsModuleId;
var flashvars = _vars(opts);
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, client.options) + '"/> <param name="allowScriptAccess" value="' + client.options.allowScriptAccess + '"/> <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="' + flashvars + '"/> <embed src="' + client.options.moviePath + _noCache(client.options.moviePath, client.options) + '" 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="' + flashvars + '" scale="exactfit"> </embed> </object>';
container = document.createElement("div");
container.id = "global-zeroclipboard-html-bridge";
container.setAttribute("class", "global-zeroclipboard-container");
container.setAttribute("data-clipboard-ready", false);
container.style.position = "absolute";
container.style.left = "-9999px";
container.style.top = "-9999px";
container.style.width = "15px";
container.style.height = "15px";
container.style.zIndex = "9999";
container.innerHTML = html;
document.body.appendChild(container);
}
client.htmlBridge = container;
client.flashBridge = document["global-zeroclipboard-flash-bridge"] || container.children[0].lastElementChild;
};
ZeroClipboard.prototype.resetBridge = function() {
this.htmlBridge.style.left = "-9999px";
this.htmlBridge.style.top = "-9999px";
this.htmlBridge.removeAttribute("title");
this.htmlBridge.removeAttribute("data-clipboard-text");
_removeClass(currentElement, this.options.activeClass);
currentElement = null;
this.options.text = null;
};
ZeroClipboard.prototype.ready = function() {
var ready = this.htmlBridge.getAttribute("data-clipboard-ready");
return ready === "true" || ready === true;
};
ZeroClipboard.prototype.reposition = function() {
if (!currentElement) return false;
var pos = _getDOMObjectPosition(currentElement);
this.htmlBridge.style.top = pos.top + "px";
this.htmlBridge.style.left = pos.left + "px";
this.htmlBridge.style.width = pos.width + "px";
this.htmlBridge.style.height = pos.height + "px";
this.htmlBridge.style.zIndex = pos.zIndex + 1;
this.setSize(pos.width, pos.height);
};
ZeroClipboard.dispatch = function(eventName, args) {
ZeroClipboard.prototype._singleton.receiveEvent(eventName, args);
};
ZeroClipboard.prototype.on = function(eventName, func) {
var events = eventName.toString().split(/\s/g);
for (var i = 0; i < events.length; i++) {
eventName = events[i].toLowerCase().replace(/^on/, "");
if (!this.handlers[eventName]) this.handlers[eventName] = func;
}
if (this.handlers.noflash && !ZeroClipboard.detectFlashSupport()) {
this.receiveEvent("onNoFlash", null);
}
};
ZeroClipboard.prototype.addEventListener = ZeroClipboard.prototype.on;
ZeroClipboard.prototype.off = function(eventName, func) {
var events = eventName.toString().split(/\s/g);
for (var i = 0; i < events.length; i++) {
eventName = events[i].toLowerCase().replace(/^on/, "");
for (var event in this.handlers) {
if (event === eventName && this.handlers[event] === func) {
delete this.handlers[event];
}
}
}
};
ZeroClipboard.prototype.removeEventListener = ZeroClipboard.prototype.off;
ZeroClipboard.prototype.receiveEvent = function(eventName, args) {
eventName = eventName.toString().toLowerCase().replace(/^on/, "");
var element = currentElement;
var performCallbackAsync = true;
switch (eventName) {
case "load":
if (args && parseFloat(args.flashVersion.replace(",", ".").replace(/[^0-9\.]/gi, "")) < 10) {
this.receiveEvent("onWrongFlash", {
flashVersion: args.flashVersion
});
return;
}
this.htmlBridge.setAttribute("data-clipboard-ready", true);
break;
case "mouseover":
_addClass(element, this.options.hoverClass);
break;
case "mouseout":
_removeClass(element, this.options.hoverClass);
this.resetBridge();
break;
case "mousedown":
_addClass(element, this.options.activeClass);
break;
case "mouseup":
_removeClass(element, this.options.activeClass);
break;
case "datarequested":
var targetId = element.getAttribute("data-clipboard-target"), targetEl = !targetId ? null : document.getElementById(targetId);
if (targetEl) {
var textContent = targetEl.value || targetEl.textContent || targetEl.innerText;
if (textContent) this.setText(textContent);
} else {
var defaultText = element.getAttribute("data-clipboard-text");
if (defaultText) this.setText(defaultText);
}
performCallbackAsync = false;
break;
case "complete":
this.options.text = null;
break;
}
if (this.handlers[eventName]) {
var func = this.handlers[eventName];
if (typeof func === "string" && typeof window[func] === "function") {
func = window[func];
}
if (typeof func === "function") {
_dispatchCallback(func, element, this, args, performCallbackAsync);
}
}
};
ZeroClipboard.prototype.glue = function(elements) {
elements = _prepGlue(elements);
for (var i = 0; i < elements.length; i++) {
if (_inArray(elements[i], gluedElements) == -1) {
gluedElements.push(elements[i]);
_addEventHandler(elements[i], "mouseover", _elementMouseOver);
}
}
};
ZeroClipboard.prototype.unglue = function(elements) {
elements = _prepGlue(elements);
for (var i = 0; i < elements.length; i++) {
_removeEventHandler(elements[i], "mouseover", _elementMouseOver);
var arrayIndex = _inArray(elements[i], gluedElements);
if (arrayIndex != -1) gluedElements.splice(arrayIndex, 1);
}
};
if (typeof define === "function" && define.amd) {
define([ "require", "exports", "module" ], function(require, exports, module) {
_amdModuleId = module && module.id || null;
return ZeroClipboard;
});
} else if (typeof module !== "undefined" && module) {
_cjsModuleId = module.id || null;
module.exports = ZeroClipboard;
} else {
window.ZeroClipboard = ZeroClipboard;
}
})();
