dygraphs
Version:
dygraphs is a fast, flexible open source JavaScript charting library.
78 lines (74 loc) • 8.85 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var utils = _interopRequireWildcard(require("./dygraph-utils"));
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
/**
* To create a "drag" interaction, you typically register a mousedown event
* handler on the element where the drag begins. In that handler, you register a
* mouseup handler on the window to determine when the mouse is released,
* wherever that release happens. This works well, except when the user releases
* the mouse over an off-domain iframe. In that case, the mouseup event is
* handled by the iframe and never bubbles up to the window handler.
*
* To deal with this issue, we cover iframes with high z-index divs to make sure
* they don't capture mouseup.
*
* Usage:
* element.addEventListener('mousedown', function() {
* var tarper = new IFrameTarp();
* tarper.cover();
* var mouseUpHandler = function() {
* ...
* window.removeEventListener(mouseUpHandler);
* tarper.uncover();
* };
* window.addEventListener('mouseup', mouseUpHandler);
* });
*
* @constructor
*/
function IFrameTarp() {
/** @type {Array.<!HTMLDivElement>} */
this.tarps = [];
}
/**
* Find all the iframes in the document and cover them with high z-index
* transparent divs.
*/
IFrameTarp.prototype.cover = function () {
var iframes = document.getElementsByTagName("iframe");
for (var i = 0; i < iframes.length; i++) {
var iframe = iframes[i];
var pos = utils.findPos(iframe),
x = pos.x,
y = pos.y,
width = iframe.offsetWidth,
height = iframe.offsetHeight;
var div = document.createElement("div");
div.style.position = "absolute";
div.style.left = x + 'px';
div.style.top = y + 'px';
div.style.width = width + 'px';
div.style.height = height + 'px';
div.style.zIndex = 999;
document.body.appendChild(div);
this.tarps.push(div);
}
};
/**
* Remove all the iframe covers. You should call this in a mouseup handler.
*/
IFrameTarp.prototype.uncover = function () {
for (var i = 0; i < this.tarps.length; i++) {
this.tarps[i].parentNode.removeChild(this.tarps[i]);
}
this.tarps = [];
};
var _default = IFrameTarp;
exports["default"] = _default;
module.exports = exports.default;
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O0FBQ0E7QUFDQW5CLFVBQVUsQ0FBQ0UsU0FBUyxDQUFDMkIsT0FBTyxHQUFHLFlBQVc7RUFDeEMsS0FBSyxJQUFJdEIsQ0FBQyxHQUFHLENBQUMsRUFBRUEsQ0FBQyxHQUFHLElBQUksQ0FBQ04sS0FBSyxDQUFDTyxNQUFNLEVBQUVELENBQUMsRUFBRSxFQUFFO0lBQzFDLElBQUksQ0FBQ04sS0FBSyxDQUFDTSxDQUFDLENBQUMsQ0FBQ3VCLFVBQVUsQ0FBQ0MsV0FBVyxDQUFDLElBQUksQ0FBQzlCLEtBQUssQ0FBQ00sQ0FBQyxDQUFDLENBQUM7RUFDckQ7RUFDQSxJQUFJLENBQUNOLEtBQUssR0FBRyxFQUFFO0FBQ2pCLENBQUM7QUFBQyxlQUVhRCxVQUFVO0FBQUE7QUFBQSJ9