Current File : //data/old/home/stash/atlassian/stash/3.7.1/atlassian-stash/static/util/dom-event.js
define('util/dom-event', [
'jquery',
'lodash',
'util/events',
'util/navigator',
'exports'
], function(
$,
_,
events,
navigatorUtil,
exports) {
'use strict';
var isMac = navigatorUtil.isMac();
/**
* Returns true if a mouse click event should be handled in the same tab, false otherwise
* @param e a jquery mouse event
*/
exports.openInSameTab = function (e) {
return (!e.which || e.which === 1) &&
!(e.metaKey || e.ctrlKey || e.shiftKey || (e.altKey && !navigatorUtil.isIE()));
};
/* Returns true if a mouse click event was caused by a right button click, false otherwise*/
exports.isRightClick = function(e) {
return e.which === 3;
};
/* Return true if the ctrlKey is held down, or metaKey on Mac */
exports.isCtrlish = function(e) {
return isMac ? e.metaKey : e.ctrlKey;
};
/**
* Linux: any modifier prevents scroll
* FF: prevent scroll in Win and Mac when ANY modifier is pressed.
* Chrome : Alt on Windows, Cmd on Mac handle history nav, and Shift on both OSes handles text highlighting.
* Safari: Alt is history nav in Windows, Ctrl and Cmd both do it on Mac, and Shift only avoids scroll on Mac.
* IE9: Alt key is history navigation.
* @param e key event
*/
exports.modifiersPreventScroll = function(e) {
var result = false;
if (navigatorUtil.isMozilla() || navigatorUtil.isLinux()) {
result = isAnyModifierPressed(e);
} else if (navigatorUtil.isChrome()) {
result = e.shiftKey || (navigatorUtil.isWin() ? e.altKey : e.metaKey);
} else if (navigatorUtil.isSafari()) {
result = navigatorUtil.isWin() ? e.altKey : isAnyModifierPressed(e);
} else if (navigatorUtil.isIE()) {
result = e.altKey;
}
// Ensure the result is really a boolean, not just a truthy/falsy value
return !!result;
};
function isAnyModifierPressed(e) {
return e.altKey || e.shiftKey || e.ctrlKey || e.metaKey;
}
/**
* When enabled, this function will send an event when a user changes their font size.
*/
exports.listenForFontSizeChange = _.once(function() {
var heightTest = $('<div style="position: fixed; visibility: hidden; speak: none; height: auto; top: -999px; left: -999px;">Ignore this text</div>').appendTo(document.body),
heightTestHeight = heightTest.height(),
checkHeight,
interval = 500;
setTimeout(checkHeight = function() {
var newHeight = heightTest.height();
if (newHeight !== heightTestHeight) {
heightTestHeight = newHeight;
events.trigger('stash.util.events.fontSizeChanged');
}
setTimeout(checkHeight, interval);
}, interval);
});
/**
* Returns a function which prevents the default action for the event, then calls `func` with the supplied arguments
* @param {Function} func
*/
exports.preventDefault = function(func) {
return function(e/*, rest*/) {
e && _.isFunction(e.preventDefault) && e.preventDefault();
if (_.isFunction(func)) {
return func.apply(this, arguments);
}
};
};
/**
* Returns a function which stops propagation of the event, then calls `func` with the supplied arguments
* @param {Function} func
*/
exports.stopPropagation = function(func) {
return function(e/*, rest*/) {
e && _.isFunction(e.stopPropagation) && e.stopPropagation();
if (_.isFunction(func)) {
return func.apply(this, arguments);
}
};
};
/**
* Only call the callback if the event target matches a selector
* @param {HTMLElement|jQuery|string} target
* @param {Function} func
* @returns {Function}
*/
exports.filterByTarget = function(target, func) {
return function(e/*, rest*/) {
if ($(e.target).is(target)) {
return func.apply(this, arguments);
}
};
};
});
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