724 lines
27 KiB
JavaScript
724 lines
27 KiB
JavaScript
'use strict';
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(function(_) {
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/*@
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Ox.Element <f> Basic UI element object
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# Arguments -----------------------------------------------------------
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options <o|s> Options of the element, or just the `element` option
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element <s> Tagname or CSS selector
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tooltip <s|f> Tooltip title, or a function that returns one
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(e) -> <s> Tooltip title
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e <o> Mouse event
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self <o> Shared private variable
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# Usage ---------------------------------------------------------------
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([options[, self]]) -> <o> Element object
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# Events ----------------------------------------------------------
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anyclick <!> anyclick
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Fires on mouseup, but not on any subsequent mouseup within 250
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ms (this is useful if one wants to listen for singleclicks, but
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not doubleclicks, since it will fire immediately, and won't
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fire again in case of a doubleclick)
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* <*> Original event properties
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doubleclick <!> doubleclick
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Fires on the second mousedown within 250 ms (this is useful if
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one wants to listen for both singleclicks and doubleclicks,
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since it will not trigger a singleclick event)
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* <*> Original event properties
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drag <!> drag
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Fires on mousemove after dragstart, stops firing on mouseup
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clientDX <n> Horizontal drag delta in px
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clientDY <n> Vertical drag delta in px
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* <*> Original event properties
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dragend <!> dragpause
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Fires on mouseup after dragstart
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clientDX <n> Horizontal drag delta in px
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clientDY <n> Vertical drag delta in px
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* <*> Original event properties
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dragenter <!> dragenter
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Fires when entering an element during drag (this fires on the
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element being dragged -- the target element is the event's
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target property)
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clientDX <n> Horizontal drag delta in px
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clientDY <n> Vertical drag delta in px
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* <*> Original event properties
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dragleave <!> dragleave
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Fires when leaving an element during drag (this fires on the
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element being dragged -- the target element is the event's
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target property)
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clientDX <n> Horizontal drag delta in px
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clientDY <n> Vertical drag delta in px
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* <*> Original event properties
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dragpause <!> dragpause
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Fires once when the mouse doesn't move for 250 ms during drag
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(this is useful in order to execute operations that are too
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expensive to be attached to the drag event)
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clientDX <n> Horizontal drag delta in px
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clientDY <n> Vertical drag delta in px
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* <*> Original event properties
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dragstart <!> dragstart
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Fires when the mouse is down for 250 ms
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* <*> Original event properties
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mousedown <!> mousedown
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Fires on mousedown (this is useful if one wants to listen for
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singleclicks, but not doubleclicks or drag events, and wants
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the event to fire as early as possible)
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* <*> Original event properties
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mouserepeat <!> mouserepeat
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Fires every 50 ms after the mouse was down for 250 ms, stops
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firing on mouseleave or mouseup (this fires like a key that is
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being pressed and held, and is useful for buttons like
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scrollbar arrows that need to react to both clicking and
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holding)
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mousewheel <!> mousewheel
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Fires on mousewheel scroll or trackpad swipe
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deltaFactor <n> Original delta = normalized delta * delta factor
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deltaX <n> Normalized horizontal scroll delta in px
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deltaY <n> Normalized vertical scroll delta in px
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* <*> Original event properties
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singleclick <!> singleclick
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Fires 250 ms after mouseup, if there was no subsequent
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mousedown (this is useful if one wants to listen for both
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singleclicks and doubleclicks, since it will not fire for
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doubleclicks)
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* <*> Original event properties
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*/
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Ox.Element = function Element(options, self) {
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// create private object
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self = self || {};
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self.boundTooltipEvents = {}; // FIXME?
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self.defaults = {};
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self.eventCallbacks = self.eventCallbacks || {};
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// allow for Ox.Element('<tagname>') or Ox.Element('cssSelector')
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self.options = Ox.isString(options) ? {element: options} : options || {};
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self.unbindKeyboard = function unbindKeyboard() {
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Object.keys(self.eventCallbacks).filter(function(event) {
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return /^key([\._][\w\.]+)?$/.test(event);
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}).forEach(function(event) {
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that.unbindEvent(event);
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});
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};
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self.update = function update(key, value) {
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// update is called whenever an option is modified or added
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Ox.loop(self.updateCallbacks.length - 1, -1, -1, function(index) {
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// break if the callback returns false
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return self.updateCallbacks[index](key, value) !== false;
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});
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};
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self.updateCallbacks = self.updateCallbacks || [];
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// create public object
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var that = Object.create(Ox.Element.prototype);
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that.oxid = Ox.uid();
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that.$element = $(self.options.element || '<div>')
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.addClass('OxElement')
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.data({oxid: that.oxid})
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.on({
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mousedown: onMousedown,
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mousewheel: onMousewheel
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});
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that[0] = that.$element[0];
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that.length = 1;
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that.self = function _self() {
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return arguments[0] === _ ? self : {};
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};
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Ox.elements[that.oxid] = that;
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if (self.options.element == '<iframe>') {
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self.messageCallbacks = self.messageCallbacks || {};
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that.on({
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load: function init() {
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if (that.attr('src')) {
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// send oxid to iframe
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that.postMessage({init: {oxid: that.oxid}});
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self.initTimeout = setTimeout(init, 250);
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}
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}
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}).bindEvent({
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init: function() {
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// iframe has received oxid
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clearTimeout(self.initTimeout);
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}
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});
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}
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setTooltip();
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function bindTooltipEvents(events) {
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that.off(Ox.filter(self.boundTooltipEvents, function(value, key) {
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return !events[key];
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})).on(self.boundTooltipEvents = Ox.filter(events, function(value, key) {
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return !self.boundTooltipEvents[key];
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}));
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}
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function onMousedown(e) {
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/*
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better mouse events
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mousedown:
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trigger mousedown
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within 250 msec:
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mouseup: trigger anyclick
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mouseup + mousedown: trigger doubleclick
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after 250 msec:
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mouseup + no mousedown within 250 msec: trigger singleclick
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no mouseup within 250 msec:
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trigger mouserepeat every 50 msec
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trigger dragstart
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mousemove: trigger drag
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no mousemove for 250 msec:
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trigger dragpause
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mouseup: trigger dragend
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"anyclick" is not called "click" since this would collide with the click
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events of some widgets
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*/
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var clientX, clientY,
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dragTimeout = 0,
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mouseInterval = 0;
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that.triggerEvent('mousedown', e);
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if (!self._mouseTimeout) {
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// first mousedown
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self._drag = false;
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self._mouseup = false;
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self._mouseTimeout = setTimeout(function() {
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// 250 ms later, no subsequent click
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self._mouseTimeout = 0;
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if (self._mouseup) {
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// mouse went up, trigger singleclick
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that.triggerEvent('singleclick', e);
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} else {
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// mouse is still down, trigger mouserepeat
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// every 50 ms until mouseleave or mouseup
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mouserepeat();
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mouseInterval = setInterval(mouserepeat, 50);
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that.one('mouseleave', function() {
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clearInterval(mouseInterval);
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});
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// trigger dragstart, set up drag events
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that.triggerEvent('dragstart', e);
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$('.OxElement').live({
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mouseenter: dragenter,
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mouseleave: dragleave
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});
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clientX = e.clientX;
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clientY = e.clientY;
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Ox.$window
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.off('mouseup', mouseup)
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.on({mousemove: mousemove})
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.one('mouseup', function(e) {
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// stop checking for mouserepeat
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clearInterval(mouseInterval);
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// stop checking for dragpause
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clearTimeout(dragTimeout);
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// stop checking for drag
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Ox.$window.off({mousemove: mousemove});
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// stop checking for dragenter and dragleave
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$('.OxElement').off({
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mouseenter: dragenter,
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mouseleave: dragleave
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});
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// trigger dragend
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that.triggerEvent('dragend', extend(e));
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});
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self._drag = true;
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}
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}, 250);
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} else {
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// second mousedown within 250 ms, trigger doubleclick
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clearTimeout(self._mouseTimeout);
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self._mouseTimeout = 0;
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that.triggerEvent('doubleclick', e);
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}
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Ox.$window.one({mouseup: mouseup});
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function dragenter(e) {
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that.triggerEvent('dragenter', extend(e));
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}
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function dragleave(e) {
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that.triggerEvent('dragleave', extend(e));
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}
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function extend(e) {
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return Ox.extend({
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clientDX: e.clientX - clientX,
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clientDY: e.clientY - clientY
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}, e);
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}
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function mousemove(e) {
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e = extend(e);
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clearTimeout(dragTimeout);
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dragTimeout = setTimeout(function() {
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// mouse did not move for 250 ms, trigger dragpause
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that.triggerEvent('dragpause', e);
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}, 250);
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that.triggerEvent('drag', e);
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}
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function mouserepeat(e) {
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that.triggerEvent('mouserepeat', e);
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}
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function mouseup(e) {
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if (!self._mouseup && !self._drag) {
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// mouse went up for the first time, trigger anyclick
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that.triggerEvent('anyclick', e);
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self._mouseup = true;
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}
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}
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}
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function onMouseenter(e) {
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if (!that.$tooltip) {
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that.$tooltip = Ox.Tooltip({title: self.options.tooltip});
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}
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that.$tooltip.show(e);
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}
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function onMouseleave(e) {
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that.$tooltip && that.$tooltip.hide();
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}
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function onMousemove(e) {
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that.$tooltip.options({title: self.options.tooltip(e)}).show(e);
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}
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function onMousewheel(e) {
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// see https://github.com/brandonaaron/jquery-mousewheel/blob/master/jquery.mousewheel.js
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e = e.originalEvent;
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var absDelta,
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deltaX = 'deltaX' in e ? e.deltaX
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: 'wheelDeltaX' in e ? -e.wheelDeltaX
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: 0,
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deltaY = 'deltaY' in e ? -e.deltaY
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: 'wheelDeltaY' in e ? e.wheelDeltaY
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: 'wheelDelta' in e ? e.wheelDelta
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: 0;
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// Firefox < 17
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if ('axis' in e && e.axis === e.HORIZONTAL_AXIS) {
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deltaX = -deltaY;
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deltaY = 0;
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}
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if (deltaX || deltaY) {
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absDelta = Math.max(Math.abs(deltaY), Math.abs(deltaX));
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if (!self._deltaFactor || self._deltaFactor > absDelta) {
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self._deltaFactor = absDelta;
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}
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that.triggerEvent('mousewheel', Ox.extend(e, {
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deltaFactor: self._deltaFactor,
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deltaX: Ox.trunc(deltaX / self._deltaFactor),
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deltaY: Ox.trunc(deltaY / self._deltaFactor)
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}));
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clearTimeout(self._deltaTimeout)
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self._deltaTimeout = setTimeout(function() {
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self._deltaFactor = null;
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}, 200);
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}
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}
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// TODO: in other widgets, use this,
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// rather than some self.$tooltip that
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// will not get garbage collected
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function setTooltip() {
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if (self.options.tooltip) {
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if (Ox.isString(self.options.tooltip)) {
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bindTooltipEvents({
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mouseenter: onMouseenter,
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mouseleave: onMouseleave
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});
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that.$tooltip && that.$tooltip.options({
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title: self.options.tooltip,
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animate: true
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});
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} else {
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that.$tooltip = Ox.Tooltip({animate: false});
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bindTooltipEvents({
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mousemove: onMousemove,
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mouseleave: onMouseleave
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});
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}
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} else {
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if (that.$tooltip) {
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that.$tooltip.remove();
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}
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bindTooltipEvents({});
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}
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}
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that.update({tooltip: setTooltip});
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return that;
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};
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// add all jQuery methods to the prototype of Ox.Element
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Ox.methods($('<div>'), true).forEach(function(method) {
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Ox.Element.prototype[method] = function() {
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var ret = this.$element[method].apply(this.$element, arguments),
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oxid;
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// If exactly one $element of an Ox Element was returned, then
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// return the Ox Element instead, so that we can do
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// oxObj.jqFn().oxFn()
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return ret && ret.jquery && ret.length == 1
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&& Ox.elements[oxid = ret.data('oxid')]
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? Ox.elements[oxid] : ret;
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};
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});
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/*@
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bindEvent <f> Adds event handler(s)
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(callback) -> <o> This element
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Adds a catch-all handler
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(event, callback) -> <o> This element
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Adds a handler for a single event
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({event: callback, ...}) -> <o> This element
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Adds handlers for one or more events
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callback <f> Callback function
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data <o> event data (key/value pairs)
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event <s> Event name
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Event names can be namespaced, like `'click.foo'`
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@*/
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Ox.Element.prototype.bindEvent = function bindEvent() {
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Ox.Event.bind.apply(this, [this.self(_)].concat(Ox.slice(arguments)));
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return this;
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};
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/*@
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bindEventOnce <f> Adds event handler(s) that run(s) only once
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(callback) -> <o> This element
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Adds a catch-all handler
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(event, callback) -> <o> This element
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Adds a handler for a single event
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({event: callback, ...}) -> <o> This element
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Adds handlers for one or more events
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callback <f> Callback function
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data <o> event data (key/value pairs)
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event <s> Event name
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Event names can be namespaced, like `'click.foo'`
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@*/
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Ox.Element.prototype.bindEventOnce = function bindEventOnce() {
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Ox.Event.bindOnce.apply(
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this, [this.self(_)].concat(Ox.slice(arguments))
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);
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return this;
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};
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/*@
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bindMessage <f> Adds message handlers (if the element is an iframe)
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(callback) -> <o> This element
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Adds a catch-all handler
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(event, callback) -> <o> This element
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Adds a handler for a single event
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({event: callback, ...}) -> <o> This element
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Adds handlers for on or more events
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callback <f> Callback function
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data <o> event data (key/value pairs)
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event <s> Event name
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@*/
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Ox.Element.prototype.bindMessage = Ox.Element.prototype.onMessage = function bindMessage() {
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var self = this.self(_);
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if (self.options.element == '<iframe>') {
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Ox.Message.bind.apply(this, [self].concat(Ox.slice(arguments)));
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}
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return this;
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};
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Ox.Element.prototype.bindMessageOnce = Ox.Element.prototype.onMessageOnce = function bindMessageOnce() {
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var self = this.self(_);
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if (self.options.element == '<iframe>') {
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Ox.Message.bindOnce.apply(
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this, [self].concat(Ox.slice(arguments))
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);
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}
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return this;
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};
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Ox.Element.prototype.childrenElements = function childrenElements() {
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return Ox.slice(this.children())
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.filter(Ox.isOxElement)
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.map(Ox.getOxElement);
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};
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/*@
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defaults <function> Gets or sets the default options for an element object
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({key: value, ...}) -> <obj> This element object
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key <str> The name of the default option
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value <*> The value of the default option
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@*/
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Ox.Element.prototype.defaults = function defaults() {
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var self = this.self(_);
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var ret;
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if (arguments.length == 0) {
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ret = self.defaults;
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} else if (Ox.isString(arguments[0])) {
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ret = self.defaults[arguments[0]];
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} else {
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self.defaults = Ox.makeObject(arguments);
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self.options = Ox.clone(self.defaults);
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ret = this;
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}
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return ret;
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};
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Ox.Element.prototype.empty = function empty() {
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this.childrenElements().forEach(function($element) {
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$element.removeElement();
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});
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this.$element.empty.apply(this, arguments);
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return this;
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};
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Ox.Element.prototype.findElements = function findElements() {
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return Ox.map(this.find('.OxElement'), Ox.getOxElement);
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};
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/*@
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gainFocus <function> Makes an element object gain focus
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() -> <obj> This element object
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@*/
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Ox.Element.prototype.gainFocus = function gainFocus() {
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Ox.Focus.gainFocus(this);
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return this;
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};
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/*@
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hasFocus <function> Returns true if an element object has focus
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() -> <boolean> True if the element has focus
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@*/
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Ox.Element.prototype.hasFocus = function hasFocus() {
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return Ox.Focus.focusedElement() === this;
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};
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Ox.Element.prototype.html = function html() {
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var ret;
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this.childrenElements().forEach(function($element) {
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$element.removeElement();
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});
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ret = this.$element.html.apply(this, arguments);
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return arguments.length == 0 ? ret : this;
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};
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/*@
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loseFocus <function> Makes an element object lose focus
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() -> <object> This element object
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@*/
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Ox.Element.prototype.loseFocus = function loseFocus() {
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Ox.Focus.loseFocus(this);
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return this;
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};
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Ox.Element.prototype.nextElement = function nextElement() {
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return this.nextElements()[0];
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};
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Ox.Element.prototype.nextElements = function nextElements() {
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return this.nextAll().filter(Ox.isOxElement).map(Ox.getOxElement);
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};
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/*@
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options <f> Gets or sets the options of an element object
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() -> <o> All options
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|
(key) -> <*> The value of option[key]
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(key, value) -> <o> This element
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Sets options[key] to value and calls update(key, value)
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if the key/value pair was added or modified
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({key: value, ...}) -> <o> This element
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Sets one or more options and calls update(key, value)
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|
for every key/value pair that was added or modified
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|
key <s> The name of the option
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value <*> The value of the option
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@*/
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Ox.Element.prototype.options = function options() {
|
|
var self = this.self(_);
|
|
return Ox.getset(self.options, arguments, self.update, this);
|
|
};
|
|
|
|
Ox.Element.prototype.parentElement = function parentElement() {
|
|
return Ox.last(this.parentElements());
|
|
};
|
|
|
|
Ox.Element.prototype.parentElements = function parentElements() {
|
|
return Ox.slice(this.parents())
|
|
.filter(Ox.isOxElement)
|
|
.map(Ox.getOxElement);
|
|
};
|
|
|
|
/*@
|
|
postMessage <f> Sends a message (if the element is an iframe)
|
|
(event, data) -> This element
|
|
event <s> Event name
|
|
data <o> Event data
|
|
@*/
|
|
Ox.Element.prototype.postMessage = function postMessage(event, data) {
|
|
if (this.self(_).options.element == '<iframe>') {
|
|
Ox.Message.post.apply(this, Ox.slice(arguments));
|
|
}
|
|
return this;
|
|
};
|
|
|
|
Ox.Element.prototype.prevElement = function prevElement() {
|
|
return Ox.last(this.prevElements());
|
|
};
|
|
|
|
Ox.Element.prototype.prevElements = function prevElements() {
|
|
return this.prevAll().filter(Ox.isOxElement).map(Ox.getOxElement);
|
|
};
|
|
|
|
Ox.Element.prototype.remove = function remove() {
|
|
var parent = this[0].parentNode;
|
|
this.removeElement();
|
|
parent && parent.removeChild(this[0]);
|
|
return this;
|
|
};
|
|
|
|
Ox.Element.prototype.removeElement = function removeElement(includeChildren) {
|
|
if (includeChildren !== false) {
|
|
this.find('.OxElement').each(function() {
|
|
var $element = Ox.getElement(this);
|
|
$element && $element.removeElement(false);
|
|
});
|
|
}
|
|
Ox.Focus.removeElement(this.oxid);
|
|
this.self(_).unbindKeyboard();
|
|
this.$tooltip && this.$tooltip.remove();
|
|
delete Ox.elements[this.oxid];
|
|
// If setElement($element) was used, delete $element too
|
|
delete Ox.elements[this.$element.oxid];
|
|
return this;
|
|
};
|
|
|
|
Ox.Element.prototype.replace = function replace() {
|
|
arguments[0].removeElement();
|
|
this.$element.replace.apply(this.$element, arguments);
|
|
return this;
|
|
};
|
|
|
|
Ox.Element.prototype.replaceWith = function replaceWith() {
|
|
this.removeElement();
|
|
this.$element.replaceWith.apply(this.$element, arguments);
|
|
return this;
|
|
};
|
|
|
|
/*@
|
|
setElement <f> set $element
|
|
($element) -> <o> This element
|
|
@*/
|
|
Ox.Element.prototype.setElement = function setElement($element) {
|
|
$element.addClass('OxElement').data({oxid: this.oxid});
|
|
this.replaceWith($element);
|
|
this.$element = $element;
|
|
this[0] = $element[0];
|
|
Ox.elements[this.oxid] = this;
|
|
return this;
|
|
};
|
|
|
|
Ox.Element.prototype.siblingElements = function siblingElements() {
|
|
return Ox.slice(this.siblings())
|
|
.filter(Ox.isOxElement)
|
|
.map(Ox.getOxElement);
|
|
};
|
|
|
|
Ox.Element.prototype.text = function text() {
|
|
var ret;
|
|
this.childrenElements().forEach(function($element) {
|
|
$element.removeElement();
|
|
});
|
|
ret = this.$element.text.apply(this, arguments);
|
|
return arguments.length == 0 ? ret : this;
|
|
};
|
|
|
|
/*@
|
|
toggleOption <f> Toggle boolean option(s)
|
|
(key[, key[, ...]]) -> <o> This element
|
|
@*/
|
|
Ox.Element.prototype.toggleOption = function toggleOption() {
|
|
var options = {}, self = this.self(_);
|
|
Ox.slice(arguments).forEach(function(key) {
|
|
options[key] == !self.options[key];
|
|
});
|
|
return this.options(options);
|
|
};
|
|
|
|
/*@
|
|
triggerEvent <f> Triggers one or more events
|
|
(event) -> <o> This element object
|
|
Triggers an event
|
|
(event, data) -> <o> This element object
|
|
Triggers an event with data
|
|
({event: data, ...}) -> <o> This element object
|
|
Triggers one or more events with data
|
|
event <string> Event name
|
|
data <object> Event data (key/value pairs)
|
|
@*/
|
|
Ox.Element.prototype.triggerEvent = function triggerEvent() {
|
|
Ox.Event.trigger.apply(
|
|
this, [this.self(_)].concat(Ox.slice(arguments))
|
|
);
|
|
return this;
|
|
};
|
|
|
|
Ox.Element.prototype.triggerMessage = function triggerMessage() {
|
|
var self = this.self(_);
|
|
if (self.options.element == '<iframe>') {
|
|
Ox.Message.trigger.apply(this, [self].concat(Ox.slice(arguments)));
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/*@
|
|
unbindEvent <f> Removes event handler(s)
|
|
() -> <o> This element
|
|
Removes all handlers.
|
|
(callback) -> <o> This element
|
|
Removes a specific catch-all handler
|
|
(event) -> <o> This element
|
|
Removes all handlers for a single event (to remove all catch-all
|
|
handlers, pass '*' as event)
|
|
(event, callback) -> <o> This element
|
|
Removes a specific handler for a single event
|
|
({event: callback}, ...) -> <o> This element
|
|
Removes specific handlers for one or more events
|
|
event <string> Event name
|
|
@*/
|
|
Ox.Element.prototype.unbindEvent = function unbindEvent() {
|
|
Ox.Event.unbind.apply(this, [this.self(_)].concat(Ox.slice(arguments)));
|
|
return this;
|
|
};
|
|
|
|
Ox.Element.prototype.unbindMessage = function unbindMessage() {
|
|
var self = this.self(_);
|
|
if (self.options.element == '<iframe>') {
|
|
Ox.Message.unbind.apply(this, [self].concat(Ox.slice(arguments)));
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/*@
|
|
update <f> Adds one or more handlers for options updates
|
|
(callback) -> <o> that
|
|
(key, callback) -> <o> that
|
|
({key: callback, ...}) -> <o> that
|
|
@*/
|
|
Ox.Element.prototype.update = function update() {
|
|
var callbacks, self = this.self(_);
|
|
if (Ox.isFunction(arguments[0])) {
|
|
self.updateCallbacks.push(arguments[0]);
|
|
} else {
|
|
callbacks = Ox.makeObject(arguments);
|
|
self.updateCallbacks.push(function(key, value) {
|
|
if (callbacks[key]) {
|
|
return callbacks[key](value);
|
|
}
|
|
});
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/*@
|
|
value <f> Shortcut to get or set self.options.value
|
|
@*/
|
|
Ox.Element.prototype.value = function value() {
|
|
return this.options(
|
|
arguments.length == 0 ? 'value' : {value: arguments[0]}
|
|
);
|
|
};
|
|
|
|
}({}));
|
|
|