/*jslint ignore: start*/
import ko from 'knockout';
import $ from 'jquery';
/*
* jQuery.splitter.js - two-pane splitter window plugin
*
* version 1.51 (2009/01/09)
*
* 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)
*/
/*
* jQuery.splitter.js - two-pane splitter window plugin
*
* version 1.6 (2010/01/03)
*
* 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/jquery/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)
*/
var userAgent = navigator.userAgent;
$.browser = {
version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
safari: /webkit/.test( userAgent ),
opera: /opera/.test( userAgent ),
msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
};
var splitterCounter = 0;
$.fn.splitter = function(args){
args = args || {};
return this.each(function() {
if ( $(this).is(".splitter") ) // already a splitter
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("-webkit-user-select", "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 ) {
zombie.remove(); zombie = null;
resplit(pos);
}
panes.css("-webkit-user-select", "text").find("iframe").removeClass(opts.iframeClass);
$(document)
.unbind("mousemove"+opts.eventNamespace+" mouseup"+opts.eventNamespace);
}
function resplit(pos) {
bar._DA = bar[0][opts.pxSplit]; // bar size may change during dock
// Constrain new splitbar position to fit pane size and docking limits
if ( (opts.dockPane == A && pos < Math.max(A._min, bar._DA)) ||
(opts.dockPane == B && pos > Math.min(pos, A._max, splitter._DA - bar._DA - B._min)) ) {
bar.addClass(opts.barDockedClass);
bar._DA = bar[0][opts.pxSplit];
pos = opts.dockPane == A? 0 : splitter._DA - bar._DA;
if ( bar._pos == null )
bar._pos = A[0][opts.pxSplit];
}
else {
bar.removeClass(opts.barDockedClass);
bar._DA = bar[0][opts.pxSplit];
bar._pos = null;
pos = Math.max(A._min, splitter._DA - B._max,
Math.min(pos, A._max, splitter._DA - bar._DA - B._min));
}
// Resize/position the two panes
bar.css(opts.origin, pos).css(opts.fixed, splitter._DF);
A.css(opts.origin, 0).css(opts.split, pos).css(opts.fixed, splitter._DF);
B.css(opts.origin, pos+bar._DA)
.css(opts.split, splitter._DA-bar._DA-pos).css(opts.fixed, splitter._DF);
// IE fires resize for us; all others pay cash
if ( !$.browser.msie )
panes.trigger("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;
}
// 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
},{
// 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);
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 = $('<a href="javascript:void(0)"></a>')
.attr({accessKey: opts.accessKey, tabIndex: opts.tabIndex, title: opts.splitbarClass})
.bind(($.browser.opera?"click":"focus")+opts.eventNamespace,
function(){ this.focus(); bar.addClass(opts.barActiveClass) })
.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, false);
})
.bind("blur"+opts.eventNamespace,
function(){ bar.removeClass(opts.barActiveClass) });
// Splitbar element
var bar = $('<div></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;
$.each([A,B], function(){
this._splitter_style = this.style;
this._min = opts["min"+this._pane] || dimSum(this, "min-"+opts.split);
this._max = opts["max"+this._pane] || dimSum(this, "max-"+opts.split) || 9999;
this._init = opts["size"+this._pane]===true ?
parseInt($.curCSS(this[0],opts.split),10) : opts["size"+this._pane];
});
// Determine initial position, get from cookie if specified
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 ( opts.cookie ) {
if ( !$.cookie )
alert('jQuery.splitter(): jQuery cookie plugin required');
initPos = parseInt($.cookie(opts.cookie),10);
$(window).bind("unload"+opts.eventNamespace, function(){
var state = String(bar.css(opts.origin)); // current location of splitbar
$.cookie(opts.cookie, state, {expires: opts.cookieExpires || 365,
path: opts.cookiePath || document.location.pathname});
});
}
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 = $(opts.resizeTo).height();
splitter.css("height", Math.max(eh-top-splitter._hadjust, splitter._hmin)+"px");
if ( !$.browser.msie ) splitter.trigger("resize");
}).trigger("resize"+opts.eventNamespace);
}
else if ( opts.resizeToWidth && !$.browser.msie ) {
$(window).bind("resize"+opts.eventNamespace, function(){
splitter.trigger("resize");
});
}
// Docking support
if ( opts.dock ) {
splitter
.bind("toggleDock"+opts.eventNamespace, function() {
var pw = opts.dockPane[0][opts.pxSplit];
splitter.trigger(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 )
$('<a title="'+opts.splitbarClass+' toggle dock" href="javascript:void(0)"></a>')
.attr({accessKey: opts.dockKey, tabIndex: -1}).appendTo(bar)
.bind($.browser.opera?"click":"focus", function(){
splitter.trigger("toggleDock"); this.blur();
});
bar.bind("dblclick", function(){ splitter.trigger("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(el){
return this._splitter_style||""; //TODO: save style
});
splitter = bar = focuser = panes = A = B = opts = args = null;
})
.bind("resize"+opts.eventNamespace, function(e, size){
// Custom events bubble in jQuery 1.3; avoid recursion
e.stopPropagation();
if ( e.target != this ) return;
// 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;
// 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);
})
.trigger("resize" , [initPos]);
});
};
/**
* TODO - description
* @module splitter
*/
ko.bindingHandlers.splitter = {
init: function (element, valueAccessor) {
$(element).splitter({
resizeToWidth: true,
outline: true,
dock: 'left',
dockSpeed: 200
});
}
}
/*jslint ignore: end*/