rich-filemanager
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Highly customizable open-source file manager
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JavaScript
/*! jQuery Splitter - v2.0.1 - 2014-03-22
* http://jquery.com
* Includes: splitter.js
* Copyright 2014 Dave Methvin and other contributors
* Licensed MIT, GPL
*/
/**
* jQuery.splitter.js - two-pane splitter window plugin
*
* forked version at https://github.com/GerHobbelt/splitter
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*
* The splitter() plugin implements a two-pane resizable splitter window.
* The selected elements in the jQuery object are converted to a splitter;
* each selected element should have two child elements, used for the panes
* of the splitter. The plugin adds a third child element for the splitbar.
*
* For more details see: http://methvin.com/splitter/
*
*
* @example $('#MySplitter').splitter();
* @desc Create a vertical splitter with default settings
*
* @example $('#MySplitter').splitter({type: 'h', accessKey: 'M'});
* @desc Create a horizontal splitter resizable via Alt+Shift+M
*
* @name splitter
* @type jQuery
* @param Object options Options for the splitter (not required)
* @cat Plugins/Splitter
* @return jQuery
* @author Dave Methvin (dave.methvin@gmail.com)
*/
(function ($) {
var browserDetect = (function () {
var N = navigator.appName,
ua = navigator.userAgent,
tem,
M = ua.match(/(opera|chrome|safari|firefox|msie)\/?\s*(\.?\d+(\.\d+)*)/i);
if (M && (tem = ua.match(/version\/([\.\d]+)/i)) != null) {
M[2] = tem[1];
}
M = M ? [M[1], M[2]] : [N, navigator.appVersion, '-?'];
return M;
})();
// var resizeAutoFired = (document.documentMode && document.documentMode < 9);
// var isOpera = (window.opera && typeof window.opera.version === 'function');
function resize_auto_fired() {
// Returns true when the browser natively fires the resize
// event attached to the panes elements
return browserDetect[0] === 'msie' && parseInt(browserDetect[1]) < 9;
}
var splitterCounter = 0;
$.fn.splitter = function(args) {
args = args || {};
return this.each(function() {
//if ( $(this).is('.splitter') ) return; // already a splitter
if ($(this).attr('data-splitter-initialized')) {
return;
}
var zombie; // left-behind splitbar for outline resizes
function setBarState(state) {
bar
.removeClass(opts.barStateClasses)
.addClass(state);
}
function startSplitMouse(evt) {
if (evt.which !== 1) {
return; // left button only
}
bar.removeClass(opts.barHoverClass);
if (opts.outline) {
zombie = zombie || bar.clone(false).insertAfter(A);
bar.removeClass(opts.barDockedClass);
}
setBarState(opts.barActiveClass);
// Safari selects A/B text on a move; iframes capture mouse events so hide them
panes
.css({
'user-select': 'none',
'-webkit-user-select': 'none',
'-khtml-user-select': 'none',
'-moz-user-select': 'none',
'pointer-events': 'none'
})
.find('iframe')
.addClass(opts.iframeClass);
A._posSplit = A[0][opts.pxSplit] - evt[opts.eventPos];
$(document)
.bind('mousemove' + opts.eventNamespace, doSplitMouse)
.bind('mouseup' + opts.eventNamespace, endSplitMouse);
}
function doSplitMouse(evt) {
var pos = A._posSplit + evt[opts.eventPos],
range = Math.max(0, Math.min(pos, splitter._DA - bar._DA)),
limit = Math.max(A._min, splitter._DA - B._max,
Math.min(pos, A._max, splitter._DA - bar._DA - B._min));
if (opts.outline) {
// Let docking splitbar be dragged to the dock position, even if min width applies
if ((opts.dockPane === A && pos < Math.max(A._min, bar._DA)) ||
(opts.dockPane === B && pos > Math.min(pos, A._max, splitter._DA - bar._DA - B._min))) {
bar
.addClass(opts.barDockedClass)
.css(opts.origin, range);
} else {
bar
.removeClass(opts.barDockedClass)
.css(opts.origin, limit);
}
bar._DA = bar[0][opts.pxSplit];
} else {
resplit(pos);
}
setBarState(pos === limit ? opts.barActiveClass : opts.barLimitClass);
}
function endSplitMouse(evt) {
setBarState(opts.barNormalClass);
bar.addClass(opts.barHoverClass);
var pos = A._posSplit + evt[opts.eventPos];
if (opts.outline) {
if (zombie) {
zombie.remove();
}
zombie = null;
resplit(pos);
}
panes
.css({
'user-select': 'text',
'-webkit-user-select': 'text',
'-khtml-user-select': 'text',
'-moz-user-select': 'text',
'pointer-events': 'auto'
})
.find('iframe')
.removeClass(opts.iframeClass);
$(document)
.unbind('mousemove' + opts.eventNamespace + ' mouseup' + opts.eventNamespace);
}
function resplit(pos) {
bar._DA = bar[0][opts.pxSplit]; // bar size may change during dock
// Constrain new splitbar position to fit pane size and docking limits
if ((opts.dockPane === A && pos < Math.max(A._min, bar._DA)) ||
(opts.dockPane === B && pos > Math.min(pos, A._max, splitter._DA - bar._DA - B._min))) {
bar.addClass(opts.barDockedClass);
bar._DA = bar[0][opts.pxSplit];
pos = opts.dockPane === A ? 0 : splitter._DA - bar._DA;
if (bar._pos === null) {
bar._pos = A[0][opts.pxSplit];
}
} else {
bar.removeClass(opts.barDockedClass);
bar._DA = bar[0][opts.pxSplit];
bar._pos = null;
pos = Math.max(A._min, splitter._DA - B._max,
Math.min(pos, A._max, splitter._DA - bar._DA - B._min));
}
// Resize/position the two panes
bar
.css(opts.origin, pos)
.css(opts.fixed, splitter._DF);
A
.css(opts.origin, 0)
.css(opts.split, pos)
.css(opts.fixed, splitter._DF);
B
.css(opts.origin, pos + bar._DA)
.css(opts.split, splitter._DA - bar._DA - pos)
.css(opts.fixed, splitter._DF);
// IE fires resize for us; all others pay cash
if (!resize_auto_fired()) {
panes.triggerHandler('resize');
}
}
function dimSum(jq /*, ...dims */) {
// Opera returns -1 for missing min/max width, turn into 0
var sum = 0;
for (var i = 1; i < arguments.length; i++) {
sum += Math.max(parseInt(jq.css(arguments[i]), 10) || 0, 0);
}
return sum;
}
function resize(size) {
// Determine new width/height of splitter container
splitter._DF = splitter[0][opts.pxFixed] - splitter._PBF;
splitter._DA = splitter[0][opts.pxSplit] - splitter._PBA;
// Bail if splitter isn't visible or content isn't there yet
if (splitter._DF <= 0 || splitter._DA <= 0) {
return;
}
// if nothing changed, no need to resize
if (splitter._oldW === splitter.width() && splitter._oldH === splitter.height()) {
return; // nothing changed
}
splitter._oldW = splitter.width();
splitter._oldH = splitter.height();
// Re-divvy the adjustable dimension; maintain size of the preferred pane
resplit(!isNaN(size) ?
size :
(!(opts.sizeRight || opts.sizeBottom) ?
A[0][opts.pxSplit] :
splitter._DA - B[0][opts.pxSplit] - bar._DA));
setBarState(opts.barNormalClass);
}
// Determine settings based on incoming opts, element classes, and defaults
var vh = (args.splitHorizontal ? 'h' : args.splitVertical ? 'v' : args.type) || 'v';
var opts = $.extend({
// Defaults here allow easy use with ThemeRoller
splitterClass: 'splitter ui-widget ui-widget-content',
paneClass: 'splitter-pane',
barClass: 'splitter-bar',
barNormalClass: 'ui-state-default', // splitbar normal
barHoverClass: 'ui-state-hover', // splitbar mouse hover
barActiveClass: 'ui-state-highlight', // splitbar being moved
barLimitClass: 'ui-state-error', // splitbar at limit
iframeClass: 'splitter-iframe-hide', // hide iframes during split
eventNamespace: '.splitter' + (++splitterCounter),
pxPerKey: 8, // splitter px moved per keypress
tabIndex: 0, // tab order indicator
accessKey: '', // accessKey for splitbar
dockSpeed: 1,
undockSpeed: 1,
dockEase: null,
undockEase: null
}, {
// user can override
v: { // Vertical splitters:
keyLeft: 39,
keyRight: 37,
cursor: 'e-resize',
barStateClass: 'splitter-bar-vertical',
barDockedClass: 'splitter-bar-vertical-docked'
},
h: { // Horizontal splitters:
keyTop: 40,
keyBottom: 38,
cursor: 'n-resize',
barStateClass: 'splitter-bar-horizontal',
barDockedClass: 'splitter-bar-horizontal-docked'
}
}[vh], args, {
// user cannot override
v: { // Vertical splitters:
type: 'v',
eventPos: 'pageX',
origin: 'left',
split: 'width',
pxSplit: 'offsetWidth',
side1: 'Left',
side2: 'Right',
fixed: 'height',
pxFixed: 'offsetHeight',
side3: 'Top',
side4: 'Bottom'
},
h: { // Horizontal splitters:
type: 'h',
eventPos: 'pageY',
origin: 'top',
split: 'height',
pxSplit: 'offsetHeight',
side1: 'Top',
side2: 'Bottom',
fixed: 'width',
pxFixed: 'offsetWidth',
side3: 'Left',
side4: 'Right'
}
}[vh]);
opts.barStateClasses = [opts.barNormalClass, opts.barHoverClass, opts.barActiveClass, opts.barLimitClass].join(' ');
// Create jQuery object closures for splitter and both panes
var splitter = $(this).css({
position: 'relative'
}).addClass(opts.splitterClass).attr('data-splitter-initialized', true);
var panes = $('>*', splitter[0]).addClass(opts.paneClass).css({
position: 'absolute', // positioned inside splitter container
'z-index': '1', // splitbar is positioned above
'-moz-outline-style': 'none' // don't show dotted outline
});
var A = $(panes[0]),
B = $(panes[1]); // A = left/top, B = right/bottom
opts.dockPane = opts.dock && (/right|bottom/.test(opts.dock) ? B : A);
// Focuser element, provides keyboard support; title is shown by Opera accessKeys
var focuser = $('<a />')
.attr({
accessKey: opts.accessKey,
tabIndex: opts.tabIndex,
title: opts.splitbarClass
})
.bind((browserDetect === 'opera' ? 'click' : 'focus') + opts.eventNamespace, function() {
this.focus();
bar.addClass(opts.barActiveClass);
})
.bind('blur' + opts.eventNamespace, function() {
bar.removeClass(opts.barActiveClass);
});
if (opts.accessKey !== '') {
focuser.bind('keydown' + opts.eventNamespace, function(e) {
var key = e.which || e.keyCode;
var dir = key === opts['key' + opts.side1] ? 1 : key === opts['key' + opts.side2] ? -1 : 0;
if (dir) {
resplit(A[0][opts.pxSplit] + dir * opts.pxPerKey);
}
});
}
// Splitbar element
var bar = $('<div />')
.insertAfter(A)
.addClass(opts.barClass)
.addClass(opts.barStateClass)
.append(focuser).attr({
unselectable: 'on'
})
.css({
position: 'absolute',
'user-select': 'none',
'-webkit-user-select': 'none',
'-khtml-user-select': 'none',
'-moz-user-select': 'none',
'z-index': '100'
})
.bind('mousedown' + opts.eventNamespace, startSplitMouse)
.bind('mouseover' + opts.eventNamespace, function() {
$(this).addClass(opts.barHoverClass);
})
.bind('mouseout' + opts.eventNamespace, function() {
$(this).removeClass(opts.barHoverClass);
});
// Use our cursor unless the style specifies a non-default cursor
if (/^(auto|default|)$/.test(bar.css('cursor'))) {
bar.css('cursor', opts.cursor);
}
// Cache several dimensions for speed, rather than re-querying constantly
// These are saved on the A/B/bar/splitter jQuery vars, which are themselves cached
// DA=dimension adjustable direction, PBF=padding/border fixed, PBA=padding/border adjustable
bar._DA = bar[0][opts.pxSplit];
splitter._PBF = dimSum(splitter, 'border' + opts.side3 + 'Width', 'border' + opts.side4 + 'Width');
splitter._PBA = dimSum(splitter, 'border' + opts.side1 + 'Width', 'border' + opts.side2 + 'Width');
A._pane = opts.side1;
B._pane = opts.side2;
$.each([A, B], function() {
//noinspection JSPotentiallyInvalidUsageOfThis
this._splitter_style = this.style;
//noinspection JSPotentiallyInvalidUsageOfThis
this._min = opts['min' + this._pane] || dimSum(this, 'min-' + opts.split);
//noinspection JSPotentiallyInvalidUsageOfThis
this._max = opts['max' + this._pane] || dimSum(this, 'max-' + opts.split) || 9999;
//noinspection JSPotentiallyInvalidUsageOfThis
this._init = opts['size' + this._pane] === true ?
parseInt($.css(this[0], opts.split), 10) :
opts['size' + this._pane];
});
// Determine initial position
var initPos = A._init;
if (!isNaN(B._init)) {
// recalc initial B size as an offset from the top or left side
initPos = splitter[0][opts.pxSplit] - splitter._PBA - B._init - bar._DA;
}
if (isNaN(initPos)) {
// King Solomon's algorithm
initPos = Math.round((splitter[0][opts.pxSplit] - splitter._PBA - bar._DA) / 2);
}
// Resize event propagation and splitter sizing
if (opts.anchorToWindow) {
opts.resizeTo = window;
}
if (opts.resizeTo) {
splitter._hadjust = dimSum(splitter, 'borderTopWidth', 'borderBottomWidth', 'marginBottom');
splitter._hmin = Math.max(dimSum(splitter, 'minHeight'), 20);
$(window).bind('resize' + opts.eventNamespace, function() {
var top = splitter.offset().top;
var eh = $(opts.resizeTo).height();
splitter.css('height', Math.max(eh - top - splitter._hadjust, splitter._hmin) + 'px');
if (!resize_auto_fired()) {
splitter.triggerHandler('resize');
}
}).triggerHandler('resize');
} else if (opts.resizeToWidth && !resize_auto_fired()) {
$(window).bind('resize' + opts.eventNamespace, function() {
// splitter.triggerHandler('resize');
resize();
});
}
// Docking support
if (opts.dock) {
splitter
.bind('toggleDock' + opts.eventNamespace, function() {
var pw = opts.dockPane[0][opts.pxSplit];
splitter.triggerHandler(pw ? 'dock' : 'undock');
})
.bind('dock' + opts.eventNamespace, function() {
var pw = A[0][opts.pxSplit];
if (!pw) { return; }
bar._pos = pw;
var x = {};
x[opts.origin] = opts.dockPane === A ? 0 :
splitter[0][opts.pxSplit] - splitter._PBA - bar[0][opts.pxSplit];
bar.animate(x, opts.dockSpeed || 1, opts.dockEasing, function() {
bar.addClass(opts.barDockedClass);
resplit(x[opts.origin]);
});
})
.bind('undock' + opts.eventNamespace, function() {
var pw = opts.dockPane[0][opts.pxSplit];
if (pw) { return; }
var x = {};
x[opts.origin] = bar._pos + 'px';
bar
.removeClass(opts.barDockedClass)
.animate(x, opts.undockSpeed || opts.dockSpeed || 1, opts.undockEasing || opts.dockEasing, function() {
resplit(bar._pos);
bar._pos = null;
});
});
if (opts.dockKey) {
$('<a title="' + opts.splitbarClass + ' toggle dock"></a>')
.attr({
accessKey: opts.dockKey,
tabIndex: -1
})
.appendTo(bar)
.bind((browserDetect === 'opera' ? 'click' : 'focus'), function () {
splitter.triggerHandler('toggleDock');
this.blur();
});
}
bar.bind('dblclick', function() {
splitter.triggerHandler('toggleDock');
});
}
// Resize event handler; triggered immediately to set initial position
splitter
.bind('destroy' + opts.eventNamespace, function() {
$([window, document]).unbind(opts.eventNamespace);
bar.unbind().remove();
panes.removeClass(opts.paneClass);
splitter
.removeClass(opts.splitterClass)
.add(panes)
.unbind(opts.eventNamespace)
.attr('style', function() {
//noinspection JSPotentiallyInvalidUsageOfThis
return this._splitter_style || '';
});
splitter = bar = focuser = panes = A = B = opts = args = null;
})
.bind('resize' + opts.eventNamespace, function(e, size) {
resize(size);
})
.triggerHandler('resize', [initPos]);
});
};
})(jQuery);