| 776 |
lars |
1 |
/*! Copyright (c) 2011 Piotr Rochala (http://rocha.la)
|
|
|
2 |
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
|
|
|
3 |
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
|
|
|
4 |
*
|
|
|
5 |
* Improved by keenthemes for Metronic Theme
|
|
|
6 |
* Version: 1.3.2
|
|
|
7 |
*
|
|
|
8 |
*/
|
|
|
9 |
(function($) {
|
|
|
10 |
|
|
|
11 |
jQuery.fn.extend({
|
|
|
12 |
slimScroll: function(options) {
|
|
|
13 |
|
|
|
14 |
var defaults = {
|
|
|
15 |
|
|
|
16 |
// width in pixels of the visible scroll area
|
|
|
17 |
width: 'auto',
|
|
|
18 |
|
|
|
19 |
// height in pixels of the visible scroll area
|
|
|
20 |
height: '250px',
|
|
|
21 |
|
|
|
22 |
// width in pixels of the scrollbar and rail
|
|
|
23 |
size: '7px',
|
|
|
24 |
|
|
|
25 |
// scrollbar color, accepts any hex/color value
|
|
|
26 |
color: '#000',
|
|
|
27 |
|
|
|
28 |
// scrollbar position - left/right
|
|
|
29 |
position: 'right',
|
|
|
30 |
|
|
|
31 |
// distance in pixels between the side edge and the scrollbar
|
|
|
32 |
distance: '1px',
|
|
|
33 |
|
|
|
34 |
// default scroll position on load - top / bottom / $('selector')
|
|
|
35 |
start: 'top',
|
|
|
36 |
|
|
|
37 |
// sets scrollbar opacity
|
|
|
38 |
opacity: .4,
|
|
|
39 |
|
|
|
40 |
// enables always-on mode for the scrollbar
|
|
|
41 |
alwaysVisible: false,
|
|
|
42 |
|
|
|
43 |
// check if we should hide the scrollbar when user is hovering over
|
|
|
44 |
disableFadeOut: false,
|
|
|
45 |
|
|
|
46 |
// sets visibility of the rail
|
|
|
47 |
railVisible: false,
|
|
|
48 |
|
|
|
49 |
// sets rail color
|
|
|
50 |
railColor: '#333',
|
|
|
51 |
|
|
|
52 |
// sets rail opacity
|
|
|
53 |
railOpacity: .2,
|
|
|
54 |
|
|
|
55 |
// whether we should use jQuery UI Draggable to enable bar dragging
|
|
|
56 |
railDraggable: true,
|
|
|
57 |
|
|
|
58 |
// defautlt CSS class of the slimscroll rail
|
|
|
59 |
railClass: 'slimScrollRail',
|
|
|
60 |
|
|
|
61 |
// defautlt CSS class of the slimscroll bar
|
|
|
62 |
barClass: 'slimScrollBar',
|
|
|
63 |
|
|
|
64 |
// defautlt CSS class of the slimscroll wrapper
|
|
|
65 |
wrapperClass: 'slimScrollDiv',
|
|
|
66 |
|
|
|
67 |
// check if mousewheel should scroll the window if we reach top/bottom
|
|
|
68 |
allowPageScroll: false,
|
|
|
69 |
|
|
|
70 |
// scroll amount applied to each mouse wheel step
|
|
|
71 |
wheelStep: 20,
|
|
|
72 |
|
|
|
73 |
// scroll amount applied when user is using gestures
|
|
|
74 |
touchScrollStep: 200,
|
|
|
75 |
|
|
|
76 |
// sets border radius
|
|
|
77 |
borderRadius: '7px',
|
|
|
78 |
|
|
|
79 |
// sets border radius of the rail
|
|
|
80 |
railBorderRadius: '7px',
|
|
|
81 |
|
|
|
82 |
// sets animation status on a given scroll(added my keenthemes)
|
|
|
83 |
animate: true
|
|
|
84 |
};
|
|
|
85 |
|
|
|
86 |
var o = $.extend(defaults, options);
|
|
|
87 |
|
|
|
88 |
// do it for every element that matches selector
|
|
|
89 |
this.each(function() {
|
|
|
90 |
|
|
|
91 |
var isOverPanel, isOverBar, isDragg, queueHide, touchDif,
|
|
|
92 |
barHeight, percentScroll, lastScroll,
|
|
|
93 |
divS = '<div></div>',
|
|
|
94 |
minBarHeight = 30,
|
|
|
95 |
releaseScroll = false;
|
|
|
96 |
|
|
|
97 |
// used in event handlers and for better minification
|
|
|
98 |
var me = $(this);
|
|
|
99 |
|
|
|
100 |
//begin: windows phone fix added by keenthemes
|
|
|
101 |
if ('ontouchstart' in window && window.navigator.msPointerEnabled) {
|
|
|
102 |
me.css("-ms-touch-action", "none");
|
|
|
103 |
}
|
|
|
104 |
//end: windows phone fix added by keenthemes
|
|
|
105 |
|
|
|
106 |
// ensure we are not binding it again
|
|
|
107 |
if (me.parent().hasClass(o.wrapperClass)) {
|
|
|
108 |
// start from last bar position
|
|
|
109 |
var offset = me.scrollTop();
|
|
|
110 |
|
|
|
111 |
// find bar and rail
|
|
|
112 |
bar = me.parent().find('.' + o.barClass);
|
|
|
113 |
rail = me.parent().find('.' + o.railClass);
|
|
|
114 |
|
|
|
115 |
getBarHeight();
|
|
|
116 |
|
|
|
117 |
// check if we should scroll existing instance
|
|
|
118 |
if ($.isPlainObject(options)) {
|
|
|
119 |
// Pass height: auto to an existing slimscroll object to force a resize after contents have changed
|
|
|
120 |
if ('height' in options && options.height == 'auto') {
|
|
|
121 |
me.parent().css('height', 'auto');
|
|
|
122 |
me.css('height', 'auto');
|
|
|
123 |
var height = me.parent().parent().height();
|
|
|
124 |
me.parent().css('height', height);
|
|
|
125 |
me.css('height', height);
|
|
|
126 |
}
|
|
|
127 |
|
|
|
128 |
if ('scrollTo' in options) {
|
|
|
129 |
// jump to a static point
|
|
|
130 |
offset = parseInt(o.scrollTo);
|
|
|
131 |
} else if ('scrollBy' in options) {
|
|
|
132 |
// jump by value pixels
|
|
|
133 |
offset += parseInt(o.scrollBy);
|
|
|
134 |
} else if ('destroy' in options) {
|
|
|
135 |
// remove slimscroll elements
|
|
|
136 |
bar.remove();
|
|
|
137 |
rail.remove();
|
|
|
138 |
me.unwrap();
|
|
|
139 |
return;
|
|
|
140 |
}
|
|
|
141 |
|
|
|
142 |
// scroll content by the given offset
|
|
|
143 |
scrollContent(offset, false, true);
|
|
|
144 |
}
|
|
|
145 |
|
|
|
146 |
return;
|
|
|
147 |
}
|
|
|
148 |
|
|
|
149 |
// optionally set height to the parent's height
|
|
|
150 |
o.height = (options.height == 'auto') ? me.parent().height() : options.height;
|
|
|
151 |
|
|
|
152 |
// wrap content
|
|
|
153 |
var wrapper = $(divS)
|
|
|
154 |
.addClass(o.wrapperClass)
|
|
|
155 |
.css({
|
|
|
156 |
position: 'relative',
|
|
|
157 |
overflow: 'hidden',
|
|
|
158 |
width: o.width,
|
|
|
159 |
height: o.height
|
|
|
160 |
});
|
|
|
161 |
|
|
|
162 |
// update style for the div
|
|
|
163 |
me.css({
|
|
|
164 |
overflow: 'hidden',
|
|
|
165 |
width: o.width,
|
|
|
166 |
height: o.height
|
|
|
167 |
});
|
|
|
168 |
|
|
|
169 |
// create scrollbar rail
|
|
|
170 |
var rail = $(divS)
|
|
|
171 |
.addClass(o.railClass)
|
|
|
172 |
.css({
|
|
|
173 |
width: o.size,
|
|
|
174 |
height: '100%',
|
|
|
175 |
position: 'absolute',
|
|
|
176 |
top: 0,
|
|
|
177 |
display: (o.alwaysVisible && o.railVisible) ? 'block' : 'none',
|
|
|
178 |
'border-radius': o.railBorderRadius,
|
|
|
179 |
background: o.railColor,
|
|
|
180 |
opacity: o.railOpacity,
|
|
|
181 |
zIndex: 90
|
|
|
182 |
});
|
|
|
183 |
|
|
|
184 |
// create scrollbar
|
|
|
185 |
var bar = $(divS)
|
|
|
186 |
.addClass(o.barClass)
|
|
|
187 |
.css({
|
|
|
188 |
background: o.color,
|
|
|
189 |
width: o.size,
|
|
|
190 |
position: 'absolute',
|
|
|
191 |
top: 0,
|
|
|
192 |
opacity: o.opacity,
|
|
|
193 |
display: o.alwaysVisible ? 'block' : 'none',
|
|
|
194 |
'border-radius': o.borderRadius,
|
|
|
195 |
BorderRadius: o.borderRadius,
|
|
|
196 |
MozBorderRadius: o.borderRadius,
|
|
|
197 |
WebkitBorderRadius: o.borderRadius,
|
|
|
198 |
zIndex: 99
|
|
|
199 |
});
|
|
|
200 |
|
|
|
201 |
// set position
|
|
|
202 |
var posCss = (o.position == 'right') ? {
|
|
|
203 |
right: o.distance
|
|
|
204 |
} : {
|
|
|
205 |
left: o.distance
|
|
|
206 |
};
|
|
|
207 |
rail.css(posCss);
|
|
|
208 |
bar.css(posCss);
|
|
|
209 |
|
|
|
210 |
// wrap it
|
|
|
211 |
me.wrap(wrapper);
|
|
|
212 |
|
|
|
213 |
// append to parent div
|
|
|
214 |
me.parent().append(bar);
|
|
|
215 |
me.parent().append(rail);
|
|
|
216 |
|
|
|
217 |
// make it draggable and no longer dependent on the jqueryUI
|
|
|
218 |
if (o.railDraggable) {
|
|
|
219 |
bar.bind("mousedown", function(e) {
|
|
|
220 |
var $doc = $(document);
|
|
|
221 |
isDragg = true;
|
|
|
222 |
t = parseFloat(bar.css('top'));
|
|
|
223 |
pageY = e.pageY;
|
|
|
224 |
|
|
|
225 |
$doc.bind("mousemove.slimscroll", function(e) {
|
|
|
226 |
currTop = t + e.pageY - pageY;
|
|
|
227 |
bar.css('top', currTop);
|
|
|
228 |
scrollContent(0, bar.position().top, false); // scroll content
|
|
|
229 |
});
|
|
|
230 |
|
|
|
231 |
$doc.bind("mouseup.slimscroll", function(e) {
|
|
|
232 |
isDragg = false;
|
|
|
233 |
hideBar();
|
|
|
234 |
$doc.unbind('.slimscroll');
|
|
|
235 |
});
|
|
|
236 |
return false;
|
|
|
237 |
}).bind("selectstart.slimscroll", function(e) {
|
|
|
238 |
e.stopPropagation();
|
|
|
239 |
e.preventDefault();
|
|
|
240 |
return false;
|
|
|
241 |
});
|
|
|
242 |
}
|
|
|
243 |
|
|
|
244 |
//begin: windows phone fix added by keenthemes
|
|
|
245 |
if ('ontouchstart' in window && window.navigator.msPointerEnabled) {
|
|
|
246 |
me.bind('MSPointerDown', function(e, b) {
|
|
|
247 |
// record where touch started
|
|
|
248 |
touchDif = e.originalEvent.pageY;
|
|
|
249 |
});
|
|
|
250 |
|
|
|
251 |
me.bind('MSPointerMove', function(e) {
|
|
|
252 |
// prevent scrolling the page if necessary
|
|
|
253 |
e.originalEvent.preventDefault();
|
|
|
254 |
// see how far user swiped
|
|
|
255 |
var diff = (touchDif - e.originalEvent.pageY) / o.touchScrollStep;
|
|
|
256 |
// scroll content
|
|
|
257 |
scrollContent(diff, true);
|
|
|
258 |
touchDif = e.originalEvent.pageY;
|
|
|
259 |
});
|
|
|
260 |
}
|
|
|
261 |
//end: windows phone fix added by keenthemes
|
|
|
262 |
|
|
|
263 |
// on rail over
|
|
|
264 |
rail.hover(function() {
|
|
|
265 |
showBar();
|
|
|
266 |
}, function() {
|
|
|
267 |
hideBar();
|
|
|
268 |
});
|
|
|
269 |
|
|
|
270 |
// on bar over
|
|
|
271 |
bar.hover(function() {
|
|
|
272 |
isOverBar = true;
|
|
|
273 |
}, function() {
|
|
|
274 |
isOverBar = false;
|
|
|
275 |
});
|
|
|
276 |
|
|
|
277 |
// show on parent mouseover
|
|
|
278 |
me.hover(function() {
|
|
|
279 |
isOverPanel = true;
|
|
|
280 |
showBar();
|
|
|
281 |
hideBar();
|
|
|
282 |
}, function() {
|
|
|
283 |
isOverPanel = false;
|
|
|
284 |
hideBar();
|
|
|
285 |
});
|
|
|
286 |
|
|
|
287 |
// support for mobile
|
|
|
288 |
me.bind('touchstart', function(e, b) {
|
|
|
289 |
if (e.originalEvent.touches.length) {
|
|
|
290 |
// record where touch started
|
|
|
291 |
touchDif = e.originalEvent.touches[0].pageY;
|
|
|
292 |
}
|
|
|
293 |
});
|
|
|
294 |
|
|
|
295 |
me.bind('touchmove', function(e) {
|
|
|
296 |
// prevent scrolling the page if necessary
|
|
|
297 |
if (!releaseScroll) {
|
|
|
298 |
e.originalEvent.preventDefault();
|
|
|
299 |
}
|
|
|
300 |
if (e.originalEvent.touches.length) {
|
|
|
301 |
// see how far user swiped
|
|
|
302 |
var diff = (touchDif - e.originalEvent.touches[0].pageY) / o.touchScrollStep;
|
|
|
303 |
// scroll content
|
|
|
304 |
scrollContent(diff, true);
|
|
|
305 |
touchDif = e.originalEvent.touches[0].pageY;
|
|
|
306 |
}
|
|
|
307 |
});
|
|
|
308 |
|
|
|
309 |
// set up initial height
|
|
|
310 |
getBarHeight();
|
|
|
311 |
|
|
|
312 |
// check start position
|
|
|
313 |
if (o.start === 'bottom') {
|
|
|
314 |
// scroll content to bottom
|
|
|
315 |
bar.css({
|
|
|
316 |
top: me.outerHeight() - bar.outerHeight()
|
|
|
317 |
});
|
|
|
318 |
scrollContent(0, true);
|
|
|
319 |
} else if (o.start !== 'top') {
|
|
|
320 |
// assume jQuery selector
|
|
|
321 |
scrollContent($(o.start).position().top, null, true);
|
|
|
322 |
|
|
|
323 |
// make sure bar stays hidden
|
|
|
324 |
if (!o.alwaysVisible) {
|
|
|
325 |
bar.hide();
|
|
|
326 |
}
|
|
|
327 |
}
|
|
|
328 |
|
|
|
329 |
// attach scroll events
|
|
|
330 |
attachWheel();
|
|
|
331 |
|
|
|
332 |
function _onWheel(e) {
|
|
|
333 |
// use mouse wheel only when mouse is over
|
|
|
334 |
if (!isOverPanel) {
|
|
|
335 |
return;
|
|
|
336 |
}
|
|
|
337 |
|
|
|
338 |
var e = e || window.event;
|
|
|
339 |
|
|
|
340 |
var delta = 0;
|
|
|
341 |
if (e.wheelDelta) {
|
|
|
342 |
delta = -e.wheelDelta / 120;
|
|
|
343 |
}
|
|
|
344 |
if (e.detail) {
|
|
|
345 |
delta = e.detail / 3;
|
|
|
346 |
}
|
|
|
347 |
|
|
|
348 |
var target = e.target || e.srcTarget || e.srcElement;
|
|
|
349 |
if ($(target).closest('.' + o.wrapperClass).is(me.parent())) {
|
|
|
350 |
// scroll content
|
|
|
351 |
scrollContent(delta, true);
|
|
|
352 |
}
|
|
|
353 |
|
|
|
354 |
// stop window scroll
|
|
|
355 |
if (e.preventDefault && !releaseScroll) {
|
|
|
356 |
e.preventDefault();
|
|
|
357 |
}
|
|
|
358 |
if (!releaseScroll) {
|
|
|
359 |
e.returnValue = false;
|
|
|
360 |
}
|
|
|
361 |
}
|
|
|
362 |
|
|
|
363 |
function scrollContent(y, isWheel, isJump) {
|
|
|
364 |
releaseScroll = false;
|
|
|
365 |
var delta = y;
|
|
|
366 |
var maxTop = me.outerHeight() - bar.outerHeight();
|
|
|
367 |
|
|
|
368 |
if (isWheel) {
|
|
|
369 |
// move bar with mouse wheel
|
|
|
370 |
delta = parseInt(bar.css('top')) + y * parseInt(o.wheelStep) / 100 * bar.outerHeight();
|
|
|
371 |
|
|
|
372 |
// move bar, make sure it doesn't go out
|
|
|
373 |
delta = Math.min(Math.max(delta, 0), maxTop);
|
|
|
374 |
|
|
|
375 |
// if scrolling down, make sure a fractional change to the
|
|
|
376 |
// scroll position isn't rounded away when the scrollbar's CSS is set
|
|
|
377 |
// this flooring of delta would happened automatically when
|
|
|
378 |
// bar.css is set below, but we floor here for clarity
|
|
|
379 |
delta = (y > 0) ? Math.ceil(delta) : Math.floor(delta);
|
|
|
380 |
|
|
|
381 |
// scroll the scrollbar
|
|
|
382 |
bar.css({
|
|
|
383 |
top: delta + 'px'
|
|
|
384 |
});
|
|
|
385 |
}
|
|
|
386 |
|
|
|
387 |
// calculate actual scroll amount
|
|
|
388 |
percentScroll = parseInt(bar.css('top')) / (me.outerHeight() - bar.outerHeight());
|
|
|
389 |
delta = percentScroll * (me[0].scrollHeight - me.outerHeight());
|
|
|
390 |
|
|
|
391 |
if (isJump) {
|
|
|
392 |
delta = y;
|
|
|
393 |
var offsetTop = delta / me[0].scrollHeight * me.outerHeight();
|
|
|
394 |
offsetTop = Math.min(Math.max(offsetTop, 0), maxTop);
|
|
|
395 |
bar.css({
|
|
|
396 |
top: offsetTop + 'px'
|
|
|
397 |
});
|
|
|
398 |
}
|
|
|
399 |
|
|
|
400 |
// scroll content
|
|
|
401 |
if ('scrollTo' in o && o.animate) {
|
|
|
402 |
me.animate({
|
|
|
403 |
scrollTop: delta
|
|
|
404 |
});
|
|
|
405 |
} else {
|
|
|
406 |
me.scrollTop(delta);
|
|
|
407 |
}
|
|
|
408 |
|
|
|
409 |
// fire scrolling event
|
|
|
410 |
me.trigger('slimscrolling', ~~delta);
|
|
|
411 |
|
|
|
412 |
// ensure bar is visible
|
|
|
413 |
showBar();
|
|
|
414 |
|
|
|
415 |
// trigger hide when scroll is stopped
|
|
|
416 |
hideBar();
|
|
|
417 |
|
|
|
418 |
}
|
|
|
419 |
|
|
|
420 |
function attachWheel() {
|
|
|
421 |
if (window.addEventListener) {
|
|
|
422 |
this.addEventListener('DOMMouseScroll', _onWheel, false);
|
|
|
423 |
this.addEventListener('mousewheel', _onWheel, false);
|
|
|
424 |
} else {
|
|
|
425 |
document.attachEvent("onmousewheel", _onWheel)
|
|
|
426 |
}
|
|
|
427 |
}
|
|
|
428 |
|
|
|
429 |
function getBarHeight() {
|
|
|
430 |
// calculate scrollbar height and make sure it is not too small
|
|
|
431 |
barHeight = Math.max((me.outerHeight() / me[0].scrollHeight) * me.outerHeight(), minBarHeight);
|
|
|
432 |
bar.css({
|
|
|
433 |
height: barHeight + 'px'
|
|
|
434 |
});
|
|
|
435 |
|
|
|
436 |
// hide scrollbar if content is not long enough
|
|
|
437 |
var display = barHeight == me.outerHeight() ? 'none' : 'block';
|
|
|
438 |
bar.css({
|
|
|
439 |
display: display
|
|
|
440 |
});
|
|
|
441 |
}
|
|
|
442 |
|
|
|
443 |
function showBar() {
|
|
|
444 |
// recalculate bar height
|
|
|
445 |
getBarHeight();
|
|
|
446 |
clearTimeout(queueHide);
|
|
|
447 |
|
|
|
448 |
// when bar reached top or bottom
|
|
|
449 |
if (percentScroll == ~~percentScroll) {
|
|
|
450 |
//release wheel
|
|
|
451 |
releaseScroll = o.allowPageScroll;
|
|
|
452 |
|
|
|
453 |
// publish approporiate event
|
|
|
454 |
if (lastScroll != percentScroll) {
|
|
|
455 |
var msg = (~~percentScroll == 0) ? 'top' : 'bottom';
|
|
|
456 |
me.trigger('slimscroll', msg);
|
|
|
457 |
}
|
|
|
458 |
} else {
|
|
|
459 |
releaseScroll = false;
|
|
|
460 |
}
|
|
|
461 |
lastScroll = percentScroll;
|
|
|
462 |
|
|
|
463 |
// show only when required
|
|
|
464 |
if (barHeight >= me.outerHeight()) {
|
|
|
465 |
//allow window scroll
|
|
|
466 |
releaseScroll = true;
|
|
|
467 |
return;
|
|
|
468 |
}
|
|
|
469 |
bar.stop(true, true).fadeIn('fast');
|
|
|
470 |
if (o.railVisible) {
|
|
|
471 |
rail.stop(true, true).fadeIn('fast');
|
|
|
472 |
}
|
|
|
473 |
}
|
|
|
474 |
|
|
|
475 |
function hideBar() {
|
|
|
476 |
// only hide when options allow it
|
|
|
477 |
if (!o.alwaysVisible) {
|
|
|
478 |
queueHide = setTimeout(function() {
|
|
|
479 |
if (!(o.disableFadeOut && isOverPanel) && !isOverBar && !isDragg) {
|
|
|
480 |
bar.fadeOut('slow');
|
|
|
481 |
rail.fadeOut('slow');
|
|
|
482 |
}
|
|
|
483 |
}, 1000);
|
|
|
484 |
}
|
|
|
485 |
}
|
|
|
486 |
|
|
|
487 |
});
|
|
|
488 |
|
|
|
489 |
// maintain chainability
|
|
|
490 |
return this;
|
|
|
491 |
}
|
|
|
492 |
});
|
|
|
493 |
|
|
|
494 |
jQuery.fn.extend({
|
|
|
495 |
slimscroll: jQuery.fn.slimScroll
|
|
|
496 |
});
|
|
|
497 |
|
|
|
498 |
})(jQuery);
|