gitlab-org--gitlab-foss/vendor/assets/javascripts/clipboard.js
2015-10-23 15:29:09 +02:00

621 lines
No EOL
18 KiB
JavaScript

/*!
* clipboard.js v1.4.2
* https://zenorocha.github.io/clipboard.js
*
* Licensed MIT © Zeno Rocha
*/
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Clipboard = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/**
* Module dependencies.
*/
var closest = require('closest')
, event = require('component-event');
/**
* Delegate event `type` to `selector`
* and invoke `fn(e)`. A callback function
* is returned which may be passed to `.unbind()`.
*
* @param {Element} el
* @param {String} selector
* @param {String} type
* @param {Function} fn
* @param {Boolean} capture
* @return {Function}
* @api public
*/
// Some events don't bubble, so we want to bind to the capture phase instead
// when delegating.
var forceCaptureEvents = ['focus', 'blur'];
exports.bind = function(el, selector, type, fn, capture){
if (forceCaptureEvents.indexOf(type) !== -1) capture = true;
return event.bind(el, type, function(e){
var target = e.target || e.srcElement;
e.delegateTarget = closest(target, selector, true, el);
if (e.delegateTarget) fn.call(el, e);
}, capture);
};
/**
* Unbind event `type`'s callback `fn`.
*
* @param {Element} el
* @param {String} type
* @param {Function} fn
* @param {Boolean} capture
* @api public
*/
exports.unbind = function(el, type, fn, capture){
if (forceCaptureEvents.indexOf(type) !== -1) capture = true;
event.unbind(el, type, fn, capture);
};
},{"closest":2,"component-event":4}],2:[function(require,module,exports){
var matches = require('matches-selector')
module.exports = function (element, selector, checkYoSelf) {
var parent = checkYoSelf ? element : element.parentNode
while (parent && parent !== document) {
if (matches(parent, selector)) return parent;
parent = parent.parentNode
}
}
},{"matches-selector":3}],3:[function(require,module,exports){
/**
* Element prototype.
*/
var proto = Element.prototype;
/**
* Vendor function.
*/
var vendor = proto.matchesSelector
|| proto.webkitMatchesSelector
|| proto.mozMatchesSelector
|| proto.msMatchesSelector
|| proto.oMatchesSelector;
/**
* Expose `match()`.
*/
module.exports = match;
/**
* Match `el` to `selector`.
*
* @param {Element} el
* @param {String} selector
* @return {Boolean}
* @api public
*/
function match(el, selector) {
if (vendor) return vendor.call(el, selector);
var nodes = el.parentNode.querySelectorAll(selector);
for (var i = 0; i < nodes.length; ++i) {
if (nodes[i] == el) return true;
}
return false;
}
},{}],4:[function(require,module,exports){
var bind = window.addEventListener ? 'addEventListener' : 'attachEvent',
unbind = window.removeEventListener ? 'removeEventListener' : 'detachEvent',
prefix = bind !== 'addEventListener' ? 'on' : '';
/**
* Bind `el` event `type` to `fn`.
*
* @param {Element} el
* @param {String} type
* @param {Function} fn
* @param {Boolean} capture
* @return {Function}
* @api public
*/
exports.bind = function(el, type, fn, capture){
el[bind](prefix + type, fn, capture || false);
return fn;
};
/**
* Unbind `el` event `type`'s callback `fn`.
*
* @param {Element} el
* @param {String} type
* @param {Function} fn
* @param {Boolean} capture
* @return {Function}
* @api public
*/
exports.unbind = function(el, type, fn, capture){
el[unbind](prefix + type, fn, capture || false);
return fn;
};
},{}],5:[function(require,module,exports){
function E () {
// Keep this empty so it's easier to inherit from
// (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)
}
E.prototype = {
on: function (name, callback, ctx) {
var e = this.e || (this.e = {});
(e[name] || (e[name] = [])).push({
fn: callback,
ctx: ctx
});
return this;
},
once: function (name, callback, ctx) {
var self = this;
var fn = function () {
self.off(name, fn);
callback.apply(ctx, arguments);
};
return this.on(name, fn, ctx);
},
emit: function (name) {
var data = [].slice.call(arguments, 1);
var evtArr = ((this.e || (this.e = {}))[name] || []).slice();
var i = 0;
var len = evtArr.length;
for (i; i < len; i++) {
evtArr[i].fn.apply(evtArr[i].ctx, data);
}
return this;
},
off: function (name, callback) {
var e = this.e || (this.e = {});
var evts = e[name];
var liveEvents = [];
if (evts && callback) {
for (var i = 0, len = evts.length; i < len; i++) {
if (evts[i].fn !== callback) liveEvents.push(evts[i]);
}
}
// Remove event from queue to prevent memory leak
// Suggested by https://github.com/lazd
// Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910
(liveEvents.length)
? e[name] = liveEvents
: delete e[name];
return this;
}
};
module.exports = E;
},{}],6:[function(require,module,exports){
/**
* Inner class which performs selection from either `text` or `target`
* properties and then executes copy or cut operations.
*/
'use strict';
exports.__esModule = true;
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
var ClipboardAction = (function () {
/**
* @param {Object} options
*/
function ClipboardAction(options) {
_classCallCheck(this, ClipboardAction);
this.resolveOptions(options);
this.initSelection();
}
/**
* Defines base properties passed from constructor.
* @param {Object} options
*/
ClipboardAction.prototype.resolveOptions = function resolveOptions() {
var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
this.action = options.action;
this.emitter = options.emitter;
this.target = options.target;
this.text = options.text;
this.trigger = options.trigger;
this.selectedText = '';
};
/**
* Decides which selection strategy is going to be applied based
* on the existence of `text` and `target` properties.
*/
ClipboardAction.prototype.initSelection = function initSelection() {
if (this.text && this.target) {
throw new Error('Multiple attributes declared, use either "target" or "text"');
} else if (this.text) {
this.selectFake();
} else if (this.target) {
this.selectTarget();
} else {
throw new Error('Missing required attributes, use either "target" or "text"');
}
};
/**
* Creates a fake textarea element, sets its value from `text` property,
* and makes a selection on it.
*/
ClipboardAction.prototype.selectFake = function selectFake() {
var _this = this;
this.removeFake();
this.fakeHandler = document.body.addEventListener('click', function () {
return _this.removeFake();
});
this.fakeElem = document.createElement('textarea');
this.fakeElem.style.position = 'absolute';
this.fakeElem.style.left = '-9999px';
this.fakeElem.style.top = (window.pageYOffset || document.documentElement.scrollTop) + 'px';
this.fakeElem.setAttribute('readonly', '');
this.fakeElem.value = this.text;
this.selectedText = this.text;
document.body.appendChild(this.fakeElem);
this.fakeElem.select();
this.copyText();
};
/**
* Only removes the fake element after another click event, that way
* a user can hit `Ctrl+C` to copy because selection still exists.
*/
ClipboardAction.prototype.removeFake = function removeFake() {
if (this.fakeHandler) {
document.body.removeEventListener('click');
this.fakeHandler = null;
}
if (this.fakeElem) {
document.body.removeChild(this.fakeElem);
this.fakeElem = null;
}
};
/**
* Selects the content from element passed on `target` property.
*/
ClipboardAction.prototype.selectTarget = function selectTarget() {
if (this.target.nodeName === 'INPUT' || this.target.nodeName === 'TEXTAREA') {
this.target.select();
this.selectedText = this.target.value;
} else {
var range = document.createRange();
var selection = window.getSelection();
selection.removeAllRanges();
range.selectNodeContents(this.target);
selection.addRange(range);
this.selectedText = selection.toString();
}
this.copyText();
};
/**
* Executes the copy operation based on the current selection.
*/
ClipboardAction.prototype.copyText = function copyText() {
var succeeded = undefined;
try {
succeeded = document.execCommand(this.action);
} catch (err) {
succeeded = false;
}
this.handleResult(succeeded);
};
/**
* Fires an event based on the copy operation result.
* @param {Boolean} succeeded
*/
ClipboardAction.prototype.handleResult = function handleResult(succeeded) {
if (succeeded) {
this.emitter.emit('success', {
action: this.action,
text: this.selectedText,
trigger: this.trigger,
clearSelection: this.clearSelection.bind(this)
});
} else {
this.emitter.emit('error', {
action: this.action,
trigger: this.trigger,
clearSelection: this.clearSelection.bind(this)
});
}
};
/**
* Removes current selection and focus from `target` element.
*/
ClipboardAction.prototype.clearSelection = function clearSelection() {
if (this.target) {
this.target.blur();
}
window.getSelection().removeAllRanges();
};
/**
* Sets the `action` to be performed which can be either 'copy' or 'cut'.
* @param {String} action
*/
/**
* Destroy lifecycle.
*/
ClipboardAction.prototype.destroy = function destroy() {
this.removeFake();
};
_createClass(ClipboardAction, [{
key: 'action',
set: function set() {
var action = arguments.length <= 0 || arguments[0] === undefined ? 'copy' : arguments[0];
this._action = action;
if (this._action !== 'copy' && this._action !== 'cut') {
throw new Error('Invalid "action" value, use either "copy" or "cut"');
}
},
/**
* Gets the `action` property.
* @return {String}
*/
get: function get() {
return this._action;
}
/**
* Sets the `target` property using an element
* that will be have its content copied.
* @param {Element} target
*/
}, {
key: 'target',
set: function set(target) {
if (target !== undefined) {
if (target && typeof target === 'object' && target.nodeType === 1) {
this._target = target;
} else {
throw new Error('Invalid "target" value, use a valid Element');
}
}
},
/**
* Gets the `target` property.
* @return {String|HTMLElement}
*/
get: function get() {
return this._target;
}
}]);
return ClipboardAction;
})();
exports['default'] = ClipboardAction;
module.exports = exports['default'];
},{}],7:[function(require,module,exports){
'use strict';
exports.__esModule = true;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var _clipboardAction = require('./clipboard-action');
var _clipboardAction2 = _interopRequireDefault(_clipboardAction);
var _delegateEvents = require('delegate-events');
var _delegateEvents2 = _interopRequireDefault(_delegateEvents);
var _tinyEmitter = require('tiny-emitter');
var _tinyEmitter2 = _interopRequireDefault(_tinyEmitter);
/**
* Base class which takes a selector, delegates a click event to it,
* and instantiates a new `ClipboardAction` on each click.
*/
var Clipboard = (function (_Emitter) {
_inherits(Clipboard, _Emitter);
/**
* @param {String} selector
* @param {Object} options
*/
function Clipboard(selector, options) {
_classCallCheck(this, Clipboard);
_Emitter.call(this);
this.resolveOptions(options);
this.delegateClick(selector);
}
/**
* Helper function to retrieve attribute value.
* @param {String} suffix
* @param {Element} element
*/
/**
* Defines if attributes would be resolved using internal setter functions
* or custom functions that were passed in the constructor.
* @param {Object} options
*/
Clipboard.prototype.resolveOptions = function resolveOptions() {
var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
this.action = typeof options.action === 'function' ? options.action : this.defaultAction;
this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;
this.text = typeof options.text === 'function' ? options.text : this.defaultText;
};
/**
* Delegates a click event on the passed selector.
* @param {String} selector
*/
Clipboard.prototype.delegateClick = function delegateClick(selector) {
var _this = this;
this.binding = _delegateEvents2['default'].bind(document.body, selector, 'click', function (e) {
return _this.onClick(e);
});
};
/**
* Undelegates a click event on body.
* @param {String} selector
*/
Clipboard.prototype.undelegateClick = function undelegateClick() {
_delegateEvents2['default'].unbind(document.body, 'click', this.binding);
};
/**
* Defines a new `ClipboardAction` on each click event.
* @param {Event} e
*/
Clipboard.prototype.onClick = function onClick(e) {
if (this.clipboardAction) {
this.clipboardAction = null;
}
this.clipboardAction = new _clipboardAction2['default']({
action: this.action(e.delegateTarget),
target: this.target(e.delegateTarget),
text: this.text(e.delegateTarget),
trigger: e.delegateTarget,
emitter: this
});
};
/**
* Default `action` lookup function.
* @param {Element} trigger
*/
Clipboard.prototype.defaultAction = function defaultAction(trigger) {
return getAttributeValue('action', trigger);
};
/**
* Default `target` lookup function.
* @param {Element} trigger
*/
Clipboard.prototype.defaultTarget = function defaultTarget(trigger) {
var selector = getAttributeValue('target', trigger);
if (selector) {
return document.querySelector(selector);
}
};
/**
* Default `text` lookup function.
* @param {Element} trigger
*/
Clipboard.prototype.defaultText = function defaultText(trigger) {
return getAttributeValue('text', trigger);
};
/**
* Destroy lifecycle.
*/
Clipboard.prototype.destroy = function destroy() {
this.undelegateClick();
if (this.clipboardAction) {
this.clipboardAction.destroy();
this.clipboardAction = null;
}
};
return Clipboard;
})(_tinyEmitter2['default']);
function getAttributeValue(suffix, element) {
var attribute = 'data-clipboard-' + suffix;
if (!element.hasAttribute(attribute)) {
return;
}
return element.getAttribute(attribute);
}
exports['default'] = Clipboard;
module.exports = exports['default'];
},{"./clipboard-action":6,"delegate-events":1,"tiny-emitter":5}]},{},[7])(7)
});