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Ticket #3882: ui.resizable.js
File ui.resizable.js, 25.1 KB (added by braddunbar, January 30, 2009 05:30PM UTC)
Include check for absolutely positioned parent
/*
* jQuery UI Resizable @VERSION
*
* Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Resizables
*
* Depends:
* ui.core.js
*/
(function($) {
$.widget("ui.resizable", $.extend({}, $.ui.mouse, {
_init: function() {
var self = this, o = this.options;
this.element.addClass("ui-resizable");
$.extend(this, {
_aspectRatio: !!(o.aspectRatio),
aspectRatio: o.aspectRatio,
originalElement: this.element,
proportionallyResize: o.proportionallyResize ? [o.proportionallyResize] : [],
_helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null
});
//Wrap the element if it cannot hold child nodes
if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)) {
//Opera fix for relative positioning
if (/relative/.test(this.element.css('position')) && $.browser.opera)
this.element.css({ position: 'relative', top: 'auto', left: 'auto' });
//Create a wrapper element and set the wrapper to the new current internal element
this.element.wrap(
$('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({
position: this.element.css('position'),
width: this.element.outerWidth(),
height: this.element.outerHeight(),
top: this.element.css('top'),
left: this.element.css('left')
})
);
//Overwrite the original this.element
this.element = this.element.parent();
this.elementIsWrapper = true;
//Move margins to the wrapper
this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});
//Prevent Safari textarea resize
if ($.browser.safari && o.preventDefault) this.originalElement.css('resize', 'none');
//Push the actual element to our proportionallyResize internal array
this.proportionallyResize.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));
// avoid IE jump (hard set the margin)
this.originalElement.css({ margin: this.originalElement.css('margin') });
// fix handlers offset
this._proportionallyResize();
}
this.handles = o.handles || (!$('.ui-resizable-handle', this.element).length ? "e,s,se" : { n: '.ui-resizable-n', e: '.ui-resizable-e', s: '.ui-resizable-s', w: '.ui-resizable-w', se: '.ui-resizable-se', sw: '.ui-resizable-sw', ne: '.ui-resizable-ne', nw: '.ui-resizable-nw' });
if(this.handles.constructor == String) {
if(this.handles == 'all') this.handles = 'n,e,s,w,se,sw,ne,nw';
var n = this.handles.split(","); this.handles = {};
for(var i = 0; i < n.length; i++) {
var handle = $.trim(n[i]), hname = 'ui-resizable-'+handle;
var axis = $('<div class="ui-resizable-handle ' + hname + '"></div>');
// increase zIndex of sw, se, ne, nw axis
//TODO : this modifies original option
if(/sw|se|ne|nw/.test(handle)) axis.css({ zIndex: ++o.zIndex });
//TODO : What's going on here?
if ('se' == handle) {
axis.addClass('ui-icon ui-icon-gripsmall-diagonal-se');
};
//Insert into internal handles object and append to element
this.handles[handle] = '.ui-resizable-'+handle;
this.element.append(axis);
}
}
this._renderAxis = function(target) {
target = target || this.element;
for(var i in this.handles) {
if(this.handles[i].constructor == String)
this.handles[i] = $(this.handles[i], this.element).show();
if (o.transparent)
this.handles[i].css({ opacity: 0 });
//Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {
var axis = $(this.handles[i], this.element), padWrapper = 0;
//Checking the correct pad and border
padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
//The padding type i have to apply...
var padPos = [ 'padding',
/ne|nw|n/.test(i) ? 'Top' :
/se|sw|s/.test(i) ? 'Bottom' :
/^e$/.test(i) ? 'Right' : 'Left' ].join("");
if (!o.transparent)
target.css(padPos, padWrapper);
this._proportionallyResize();
}
//TODO: What's that good for? There's not anything to be executed left
if(!$(this.handles[i]).length)
continue;
}
};
//TODO: make renderAxis a prototype function
this._renderAxis(this.element);
this._handles = $('.ui-resizable-handle', this.element);
if (o.disableSelection)
this._handles.disableSelection();
//Matching axis name
this._handles.mouseover(function() {
if (!self.resizing) {
if (this.className)
var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
//Axis, default = se
self.axis = axis && axis[1] ? axis[1] : 'se';
}
});
//If we want to auto hide the elements
if (o.autoHide) {
this._handles.hide();
$(this.element)
.addClass("ui-resizable-autohide")
.hover(function() {
$(this).removeClass("ui-resizable-autohide");
self._handles.show();
},
function(){
if (!self.resizing) {
$(this).addClass("ui-resizable-autohide");
self._handles.hide();
}
});
}
//Initialize the mouse interaction
this._mouseInit();
},
destroy: function() {
this._mouseDestroy();
var _destroy = function(exp) {
$(exp).removeClass("ui-resizable ui-resizable-disabled")
.removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
};
//TODO: Unwrap at same DOM position
if (this.elementIsWrapper) {
_destroy(this.element);
this.wrapper.parent().append(
this.originalElement.css({
position: this.wrapper.css('position'),
width: this.wrapper.outerWidth(),
height: this.wrapper.outerHeight(),
top: this.wrapper.css('top'),
left: this.wrapper.css('left')
})
).end().remove();
}
_destroy(this.originalElement);
},
_mouseCapture: function(event) {
var handle = false;
for(var i in this.handles) {
if($(this.handles[i])[0] == event.target) handle = true;
}
return this.options.disabled || !!handle;
},
_mouseStart: function(event) {
var o = this.options, iniPos = this.element.position(), el = this.element;
this.resizing = true;
this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
// bugfix for http://dev.jquery.com/ticket/1749
if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
}
//Opera fixing relative position
if ($.browser.opera && (/relative/).test(el.css('position')))
el.css({ position: 'relative', top: 'auto', left: 'auto' });
this._renderProxy();
var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));
if (o.containment) {
curleft += $(o.containment).scrollLeft() || 0;
curtop += $(o.containment).scrollTop() || 0;
}
//Store needed variables
this.offset = this.helper.offset();
this.position = { left: curleft, top: curtop };
this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
this.originalPosition = { left: curleft, top: curtop };
this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
this.originalMousePosition = { left: event.pageX, top: event.pageY };
//Aspect Ratio
this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);
if (o.preserveCursor) {
var cursor = $('.ui-resizable-' + this.axis).css('cursor');
$('body').css('cursor', cursor == 'auto' ? this.axis + '-resize' : cursor);
}
this._propagate("start", event);
return true;
},
_mouseDrag: function(event) {
//Increase performance, avoid regex
var el = this.helper, o = this.options, props = {},
self = this, smp = this.originalMousePosition, a = this.axis;
var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
var trigger = this._change[a];
if (!trigger) return false;
// Calculate the attrs that will be change
var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;
if (this._aspectRatio || event.shiftKey)
data = this._updateRatio(data, event);
data = this._respectSize(data, event);
// plugins callbacks need to be called first
this._propagate("resize", event);
el.css({
top: this.position.top + "px", left: this.position.left + "px",
width: this.size.width + "px", height: this.size.height + "px"
});
if (!this._helper && this.proportionallyResize.length)
this._proportionallyResize();
this._updateCache(data);
// calling the user callback at the end
this._trigger('resize', event, this.ui());
return false;
},
_mouseStop: function(event) {
this.resizing = false;
var o = this.options, self = this;
if(this._helper) {
var pr = this.proportionallyResize, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
soffsetw = ista ? 0 : self.sizeDiff.width;
var s = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
if (!o.animate)
this.element.css($.extend(s, { top: top, left: left }));
if (this._helper && !o.animate) this._proportionallyResize();
}
if (o.preserveCursor)
$('body').css('cursor', 'auto');
this._propagate("stop", event);
if (this._helper) this.helper.remove();
return false;
},
_updateCache: function(data) {
var o = this.options;
this.offset = this.helper.offset();
if (data.left) this.position.left = data.left;
if (data.top) this.position.top = data.top;
if (data.height) this.size.height = data.height;
if (data.width) this.size.width = data.width;
},
_updateRatio: function(data, event) {
var o = this.options, cpos = this.position, csize = this.size, a = this.axis;
if (data.height) data.width = (csize.height * this.aspectRatio);
else if (data.width) data.height = (csize.width / this.aspectRatio);
if (a == 'sw') {
data.left = cpos.left + (csize.width - data.width);
data.top = null;
}
if (a == 'nw') {
data.top = cpos.top + (csize.height - data.height);
data.left = cpos.left + (csize.width - data.width);
}
return data;
},
_respectSize: function(data, event) {
var isNumber = function(value) {
return !isNaN(parseInt(value, 10))
};
var el = this.helper, o = this.options, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);
if (isminw) data.width = o.minWidth;
if (isminh) data.height = o.minHeight;
if (ismaxw) data.width = o.maxWidth;
if (ismaxh) data.height = o.maxHeight;
var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
if (isminw && cw) data.left = dw - o.minWidth;
if (ismaxw && cw) data.left = dw - o.maxWidth;
if (isminh && ch) data.top = dh - o.minHeight;
if (ismaxh && ch) data.top = dh - o.maxHeight;
// fixing jump error on top/left - bug #2330
var isNotwh = !data.width && !data.height;
if (isNotwh && !data.left && data.top) data.top = null;
else if (isNotwh && !data.top && data.left) data.left = null;
return data;
},
_proportionallyResize: function() {
var o = this.options;
if (!this.proportionallyResize.length) return;
var element = this.helper || this.element;
for (var i=0; i < this.proportionallyResize.length; i++) {
var prel = this.proportionallyResize[i];
if (!this.borderDif) {
var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];
this.borderDif = $.map(b, function(v, i) {
var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
return border + padding;
});
}
if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
continue;
prel.css({
height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
});
};
},
_renderProxy: function() {
var el = this.element, o = this.options;
this.elementOffset = el.offset();
if(this._helper) {
this.helper = this.helper || $('<div style="overflow:hidden;"></div>');
// fix ie6 offset TODO: This seems broken
var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
pxyoffset = ( ie6 ? 2 : -1 );
this.helper.addClass(this._helper).css({
width: this.element.outerWidth() + pxyoffset,
height: this.element.outerHeight() + pxyoffset,
position: 'absolute',
left: this.elementOffset.left - ie6offset +'px',
top: this.elementOffset.top - ie6offset +'px',
zIndex: ++o.zIndex //TODO: Don't modify option
});
this.helper.appendTo("body");
if (o.disableSelection)
this.helper.disableSelection();
} else {
this.helper = this.element;
}
},
_change: {
e: function(event, dx, dy) {
return { width: this.originalSize.width + dx };
},
w: function(event, dx, dy) {
var o = this.options, cs = this.originalSize, sp = this.originalPosition;
return { left: sp.left + dx, width: cs.width - dx };
},
n: function(event, dx, dy) {
var o = this.options, cs = this.originalSize, sp = this.originalPosition;
return { top: sp.top + dy, height: cs.height - dy };
},
s: function(event, dx, dy) {
return { height: this.originalSize.height + dy };
},
se: function(event, dx, dy) {
return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
},
sw: function(event, dx, dy) {
return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
},
ne: function(event, dx, dy) {
return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
},
nw: function(event, dx, dy) {
return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
}
},
_propagate: function(n, event) {
$.ui.plugin.call(this, n, [event, this.ui()]);
(n != "resize" && this._trigger(n, event, this.ui()));
},
plugins: {},
ui: function() {
return {
originalElement: this.originalElement,
element: this.element,
helper: this.helper,
position: this.position,
size: this.size,
originalSize: this.originalSize,
originalPosition: this.originalPosition
};
}
}));
$.extend($.ui.resizable, {
version: "@VERSION",
eventPrefix: "resize",
defaults: {
alsoResize: false,
animate: false,
animateDuration: "slow",
animateEasing: "swing",
aspectRatio: false,
autoHide: false,
cancel: ":input,option",
containment: false,
delay: 0,
disableSelection: true,
distance: 1,
ghost: false,
grid: false,
handles: "e,s,se",
helper: false,
maxHeight: null,
maxWidth: null,
minHeight: 10,
minWidth: 10,
preserveCursor: true,
preventDefault: true,
proportionallyResize: false,
transparent: false,
zIndex: 1000
}
});
/*
* Resizable Extensions
*/
$.ui.plugin.add("resizable", "alsoResize", {
start: function(event, ui) {
var self = $(this).data("resizable"), o = self.options;
_store = function(exp) {
$(exp).each(function() {
$(this).data("resizable-alsoresize", {
width: parseInt($(this).width(), 10), height: parseInt($(this).height(), 10),
left: parseInt($(this).css('left'), 10), top: parseInt($(this).css('top'), 10)
});
});
};
if (typeof(o.alsoResize) == 'object' && !o.alsoResize.parentNode) {
if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0]; _store(o.alsoResize); }
else { $.each(o.alsoResize, function(exp, c) { _store(exp); }); }
}else{
_store(o.alsoResize);
}
},
resize: function(event, ui){
var self = $(this).data("resizable"), o = self.options, os = self.originalSize, op = self.originalPosition;
var delta = {
height: (self.size.height - os.height) || 0, width: (self.size.width - os.width) || 0,
top: (self.position.top - op.top) || 0, left: (self.position.left - op.left) || 0
},
_alsoResize = function(exp, c) {
$(exp).each(function() {
var el = $(this), start = $(this).data("resizable-alsoresize"), style = {}, css = c && c.length ? c : ['width', 'height', 'top', 'left'];
$.each(css || ['width', 'height', 'top', 'left'], function(i, prop) {
var sum = (start[prop]||0) + (delta[prop]||0);
if (sum && sum >= 0)
style[prop] = sum || null;
});
//Opera fixing relative position
if (/relative/.test(el.css('position')) && $.browser.opera) {
self._revertToRelativePosition = true;
el.css({ position: 'absolute', top: 'auto', left: 'auto' });
}
el.css(style);
});
};
if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
$.each(o.alsoResize, function(exp, c) { _alsoResize(exp, c); });
}else{
_alsoResize(o.alsoResize);
}
},
stop: function(event, ui){
var self = $(this).data("resizable");
//Opera fixing relative position
if (self._revertToRelativePosition && $.browser.opera) {
self._revertToRelativePosition = false;
el.css({ position: 'relative' });
}
$(this).removeData("resizable-alsoresize-start");
}
});
$.ui.plugin.add("resizable", "animate", {
stop: function(event, ui) {
var self = $(this).data("resizable"), o = self.options;
var pr = o.proportionallyResize, ista = pr && (/textarea/i).test(pr.get(0).nodeName),
soffseth = ista && $.ui.hasScroll(pr.get(0), 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
soffsetw = ista ? 0 : self.sizeDiff.width;
var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
self.element.animate(
$.extend(style, top && left ? { top: top, left: left } : {}), {
duration: o.animateDuration,
easing: o.animateEasing,
step: function() {
var data = {
width: parseInt(self.element.css('width'), 10),
height: parseInt(self.element.css('height'), 10),
top: parseInt(self.element.css('top'), 10),
left: parseInt(self.element.css('left'), 10)
};
if (pr) pr.css({ width: data.width, height: data.height });
// propagating resize, and updating values for each animation step
self._updateCache(data);
self._propagate("resize", event);
}
}
);
}
});
$.ui.plugin.add("resizable", "containment", {
start: function(event, ui) {
var self = $(this).data("resizable"), o = self.options, el = self.element;
var oc = o.containment, ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
if (!ce) return;
self.containerElement = $(ce);
if (/document/.test(oc) || oc == document) {
self.containerOffset = { left: 0, top: 0 };
self.containerPosition = { left: 0, top: 0 };
self.parentData = {
element: $(document), left: 0, top: 0,
width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
};
}
// i'm a node, so compute top, left, right, bottom
else {
var element = $(ce), p = [];
$([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });
self.containerOffset = element.offset();
self.containerPosition = element.position();
self.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };
var co = self.containerOffset, ch = self.containerSize.height, cw = self.containerSize.width,
width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw ), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);
self.parentData = {
element: ce, left: co.left, top: co.top, width: width, height: height
};
}
},
resize: function(event, ui) {
var self = $(this).data("resizable"), o = self.options,
ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
pRatio = o._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;
if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;
if (cp.left < (self._helper ? co.left : 0)) {
self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
if (pRatio) self.size.height = self.size.width / o.aspectRatio;
self.position.left = o.helper ? co.left : 0;
}
if (cp.top < (self._helper ? co.top : 0)) {
self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
if (pRatio) self.size.width = self.size.height * o.aspectRatio;
self.position.top = self._helper ? co.top : 0;
}
var woset = Math.abs( (self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
hoset = Math.abs( (self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );
var isParent = self.containerElement.get(0) == self.element.parent().get(0),
isOffsetRelative = /relative|absolute/.test(self.containerElement.css('position'));
if(isParent && isOffsetRelative) woset -= self.parentData.left;
if (woset + self.size.width >= self.parentData.width) {
self.size.width = self.parentData.width - woset;
if (pRatio) self.size.height = self.size.width / o.aspectRatio;
}
if (hoset + self.size.height >= self.parentData.height) {
self.size.height = self.parentData.height - hoset;
if (pRatio) self.size.width = self.size.height * o.aspectRatio;
}
},
stop: function(event, ui){
var self = $(this).data("resizable"), o = self.options, cp = self.position,
co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;
var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;
if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
if (self._helper && !o.animate && (/static/).test(ce.css('position')))
$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
}
});
$.ui.plugin.add("resizable", "ghost", {
start: function(event, ui) {
var self = $(this).data("resizable"), o = self.options, pr = o.proportionallyResize, cs = self.size;
self.ghost = self.originalElement.clone();
self.ghost
.css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
.addClass('ui-resizable-ghost')
.addClass(typeof o.ghost == 'string' ? o.ghost : '');
self.ghost.appendTo(self.helper);
},
resize: function(event, ui){
var self = $(this).data("resizable"), o = self.options;
if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
},
stop: function(event, ui){
var self = $(this).data("resizable"), o = self.options;
if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
}
});
$.ui.plugin.add("resizable", "grid", {
resize: function(event, ui) {
var self = $(this).data("resizable"), o = self.options, cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || event.shiftKey;
o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);
if (/^(se|s|e)$/.test(a)) {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
}
else if (/^(ne)$/.test(a)) {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
self.position.top = op.top - oy;
}
else if (/^(sw)$/.test(a)) {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
self.position.left = op.left - ox;
}
else {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
self.position.top = op.top - oy;
self.position.left = op.left - ox;
}
}
});
var num = function(v) {
return parseInt(v, 10) || 0;
};
})(jQuery);
Download in other formats:
Original Format
File ui.resizable.js, 25.1 KB (added by braddunbar, January 30, 2009 05:30PM UTC)
Include check for absolutely positioned parent
/*
* jQuery UI Resizable @VERSION
*
* Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Resizables
*
* Depends:
* ui.core.js
*/
(function($) {
$.widget("ui.resizable", $.extend({}, $.ui.mouse, {
_init: function() {
var self = this, o = this.options;
this.element.addClass("ui-resizable");
$.extend(this, {
_aspectRatio: !!(o.aspectRatio),
aspectRatio: o.aspectRatio,
originalElement: this.element,
proportionallyResize: o.proportionallyResize ? [o.proportionallyResize] : [],
_helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null
});
//Wrap the element if it cannot hold child nodes
if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)) {
//Opera fix for relative positioning
if (/relative/.test(this.element.css('position')) && $.browser.opera)
this.element.css({ position: 'relative', top: 'auto', left: 'auto' });
//Create a wrapper element and set the wrapper to the new current internal element
this.element.wrap(
$('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({
position: this.element.css('position'),
width: this.element.outerWidth(),
height: this.element.outerHeight(),
top: this.element.css('top'),
left: this.element.css('left')
})
);
//Overwrite the original this.element
this.element = this.element.parent();
this.elementIsWrapper = true;
//Move margins to the wrapper
this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});
//Prevent Safari textarea resize
if ($.browser.safari && o.preventDefault) this.originalElement.css('resize', 'none');
//Push the actual element to our proportionallyResize internal array
this.proportionallyResize.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));
// avoid IE jump (hard set the margin)
this.originalElement.css({ margin: this.originalElement.css('margin') });
// fix handlers offset
this._proportionallyResize();
}
this.handles = o.handles || (!$('.ui-resizable-handle', this.element).length ? "e,s,se" : { n: '.ui-resizable-n', e: '.ui-resizable-e', s: '.ui-resizable-s', w: '.ui-resizable-w', se: '.ui-resizable-se', sw: '.ui-resizable-sw', ne: '.ui-resizable-ne', nw: '.ui-resizable-nw' });
if(this.handles.constructor == String) {
if(this.handles == 'all') this.handles = 'n,e,s,w,se,sw,ne,nw';
var n = this.handles.split(","); this.handles = {};
for(var i = 0; i < n.length; i++) {
var handle = $.trim(n[i]), hname = 'ui-resizable-'+handle;
var axis = $('<div class="ui-resizable-handle ' + hname + '"></div>');
// increase zIndex of sw, se, ne, nw axis
//TODO : this modifies original option
if(/sw|se|ne|nw/.test(handle)) axis.css({ zIndex: ++o.zIndex });
//TODO : What's going on here?
if ('se' == handle) {
axis.addClass('ui-icon ui-icon-gripsmall-diagonal-se');
};
//Insert into internal handles object and append to element
this.handles[handle] = '.ui-resizable-'+handle;
this.element.append(axis);
}
}
this._renderAxis = function(target) {
target = target || this.element;
for(var i in this.handles) {
if(this.handles[i].constructor == String)
this.handles[i] = $(this.handles[i], this.element).show();
if (o.transparent)
this.handles[i].css({ opacity: 0 });
//Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {
var axis = $(this.handles[i], this.element), padWrapper = 0;
//Checking the correct pad and border
padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
//The padding type i have to apply...
var padPos = [ 'padding',
/ne|nw|n/.test(i) ? 'Top' :
/se|sw|s/.test(i) ? 'Bottom' :
/^e$/.test(i) ? 'Right' : 'Left' ].join("");
if (!o.transparent)
target.css(padPos, padWrapper);
this._proportionallyResize();
}
//TODO: What's that good for? There's not anything to be executed left
if(!$(this.handles[i]).length)
continue;
}
};
//TODO: make renderAxis a prototype function
this._renderAxis(this.element);
this._handles = $('.ui-resizable-handle', this.element);
if (o.disableSelection)
this._handles.disableSelection();
//Matching axis name
this._handles.mouseover(function() {
if (!self.resizing) {
if (this.className)
var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
//Axis, default = se
self.axis = axis && axis[1] ? axis[1] : 'se';
}
});
//If we want to auto hide the elements
if (o.autoHide) {
this._handles.hide();
$(this.element)
.addClass("ui-resizable-autohide")
.hover(function() {
$(this).removeClass("ui-resizable-autohide");
self._handles.show();
},
function(){
if (!self.resizing) {
$(this).addClass("ui-resizable-autohide");
self._handles.hide();
}
});
}
//Initialize the mouse interaction
this._mouseInit();
},
destroy: function() {
this._mouseDestroy();
var _destroy = function(exp) {
$(exp).removeClass("ui-resizable ui-resizable-disabled")
.removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
};
//TODO: Unwrap at same DOM position
if (this.elementIsWrapper) {
_destroy(this.element);
this.wrapper.parent().append(
this.originalElement.css({
position: this.wrapper.css('position'),
width: this.wrapper.outerWidth(),
height: this.wrapper.outerHeight(),
top: this.wrapper.css('top'),
left: this.wrapper.css('left')
})
).end().remove();
}
_destroy(this.originalElement);
},
_mouseCapture: function(event) {
var handle = false;
for(var i in this.handles) {
if($(this.handles[i])[0] == event.target) handle = true;
}
return this.options.disabled || !!handle;
},
_mouseStart: function(event) {
var o = this.options, iniPos = this.element.position(), el = this.element;
this.resizing = true;
this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
// bugfix for http://dev.jquery.com/ticket/1749
if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
}
//Opera fixing relative position
if ($.browser.opera && (/relative/).test(el.css('position')))
el.css({ position: 'relative', top: 'auto', left: 'auto' });
this._renderProxy();
var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));
if (o.containment) {
curleft += $(o.containment).scrollLeft() || 0;
curtop += $(o.containment).scrollTop() || 0;
}
//Store needed variables
this.offset = this.helper.offset();
this.position = { left: curleft, top: curtop };
this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
this.originalPosition = { left: curleft, top: curtop };
this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
this.originalMousePosition = { left: event.pageX, top: event.pageY };
//Aspect Ratio
this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);
if (o.preserveCursor) {
var cursor = $('.ui-resizable-' + this.axis).css('cursor');
$('body').css('cursor', cursor == 'auto' ? this.axis + '-resize' : cursor);
}
this._propagate("start", event);
return true;
},
_mouseDrag: function(event) {
//Increase performance, avoid regex
var el = this.helper, o = this.options, props = {},
self = this, smp = this.originalMousePosition, a = this.axis;
var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
var trigger = this._change[a];
if (!trigger) return false;
// Calculate the attrs that will be change
var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;
if (this._aspectRatio || event.shiftKey)
data = this._updateRatio(data, event);
data = this._respectSize(data, event);
// plugins callbacks need to be called first
this._propagate("resize", event);
el.css({
top: this.position.top + "px", left: this.position.left + "px",
width: this.size.width + "px", height: this.size.height + "px"
});
if (!this._helper && this.proportionallyResize.length)
this._proportionallyResize();
this._updateCache(data);
// calling the user callback at the end
this._trigger('resize', event, this.ui());
return false;
},
_mouseStop: function(event) {
this.resizing = false;
var o = this.options, self = this;
if(this._helper) {
var pr = this.proportionallyResize, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
soffsetw = ista ? 0 : self.sizeDiff.width;
var s = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
if (!o.animate)
this.element.css($.extend(s, { top: top, left: left }));
if (this._helper && !o.animate) this._proportionallyResize();
}
if (o.preserveCursor)
$('body').css('cursor', 'auto');
this._propagate("stop", event);
if (this._helper) this.helper.remove();
return false;
},
_updateCache: function(data) {
var o = this.options;
this.offset = this.helper.offset();
if (data.left) this.position.left = data.left;
if (data.top) this.position.top = data.top;
if (data.height) this.size.height = data.height;
if (data.width) this.size.width = data.width;
},
_updateRatio: function(data, event) {
var o = this.options, cpos = this.position, csize = this.size, a = this.axis;
if (data.height) data.width = (csize.height * this.aspectRatio);
else if (data.width) data.height = (csize.width / this.aspectRatio);
if (a == 'sw') {
data.left = cpos.left + (csize.width - data.width);
data.top = null;
}
if (a == 'nw') {
data.top = cpos.top + (csize.height - data.height);
data.left = cpos.left + (csize.width - data.width);
}
return data;
},
_respectSize: function(data, event) {
var isNumber = function(value) {
return !isNaN(parseInt(value, 10))
};
var el = this.helper, o = this.options, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);
if (isminw) data.width = o.minWidth;
if (isminh) data.height = o.minHeight;
if (ismaxw) data.width = o.maxWidth;
if (ismaxh) data.height = o.maxHeight;
var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
if (isminw && cw) data.left = dw - o.minWidth;
if (ismaxw && cw) data.left = dw - o.maxWidth;
if (isminh && ch) data.top = dh - o.minHeight;
if (ismaxh && ch) data.top = dh - o.maxHeight;
// fixing jump error on top/left - bug #2330
var isNotwh = !data.width && !data.height;
if (isNotwh && !data.left && data.top) data.top = null;
else if (isNotwh && !data.top && data.left) data.left = null;
return data;
},
_proportionallyResize: function() {
var o = this.options;
if (!this.proportionallyResize.length) return;
var element = this.helper || this.element;
for (var i=0; i < this.proportionallyResize.length; i++) {
var prel = this.proportionallyResize[i];
if (!this.borderDif) {
var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];
this.borderDif = $.map(b, function(v, i) {
var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
return border + padding;
});
}
if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
continue;
prel.css({
height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
});
};
},
_renderProxy: function() {
var el = this.element, o = this.options;
this.elementOffset = el.offset();
if(this._helper) {
this.helper = this.helper || $('<div style="overflow:hidden;"></div>');
// fix ie6 offset TODO: This seems broken
var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
pxyoffset = ( ie6 ? 2 : -1 );
this.helper.addClass(this._helper).css({
width: this.element.outerWidth() + pxyoffset,
height: this.element.outerHeight() + pxyoffset,
position: 'absolute',
left: this.elementOffset.left - ie6offset +'px',
top: this.elementOffset.top - ie6offset +'px',
zIndex: ++o.zIndex //TODO: Don't modify option
});
this.helper.appendTo("body");
if (o.disableSelection)
this.helper.disableSelection();
} else {
this.helper = this.element;
}
},
_change: {
e: function(event, dx, dy) {
return { width: this.originalSize.width + dx };
},
w: function(event, dx, dy) {
var o = this.options, cs = this.originalSize, sp = this.originalPosition;
return { left: sp.left + dx, width: cs.width - dx };
},
n: function(event, dx, dy) {
var o = this.options, cs = this.originalSize, sp = this.originalPosition;
return { top: sp.top + dy, height: cs.height - dy };
},
s: function(event, dx, dy) {
return { height: this.originalSize.height + dy };
},
se: function(event, dx, dy) {
return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
},
sw: function(event, dx, dy) {
return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
},
ne: function(event, dx, dy) {
return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
},
nw: function(event, dx, dy) {
return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
}
},
_propagate: function(n, event) {
$.ui.plugin.call(this, n, [event, this.ui()]);
(n != "resize" && this._trigger(n, event, this.ui()));
},
plugins: {},
ui: function() {
return {
originalElement: this.originalElement,
element: this.element,
helper: this.helper,
position: this.position,
size: this.size,
originalSize: this.originalSize,
originalPosition: this.originalPosition
};
}
}));
$.extend($.ui.resizable, {
version: "@VERSION",
eventPrefix: "resize",
defaults: {
alsoResize: false,
animate: false,
animateDuration: "slow",
animateEasing: "swing",
aspectRatio: false,
autoHide: false,
cancel: ":input,option",
containment: false,
delay: 0,
disableSelection: true,
distance: 1,
ghost: false,
grid: false,
handles: "e,s,se",
helper: false,
maxHeight: null,
maxWidth: null,
minHeight: 10,
minWidth: 10,
preserveCursor: true,
preventDefault: true,
proportionallyResize: false,
transparent: false,
zIndex: 1000
}
});
/*
* Resizable Extensions
*/
$.ui.plugin.add("resizable", "alsoResize", {
start: function(event, ui) {
var self = $(this).data("resizable"), o = self.options;
_store = function(exp) {
$(exp).each(function() {
$(this).data("resizable-alsoresize", {
width: parseInt($(this).width(), 10), height: parseInt($(this).height(), 10),
left: parseInt($(this).css('left'), 10), top: parseInt($(this).css('top'), 10)
});
});
};
if (typeof(o.alsoResize) == 'object' && !o.alsoResize.parentNode) {
if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0]; _store(o.alsoResize); }
else { $.each(o.alsoResize, function(exp, c) { _store(exp); }); }
}else{
_store(o.alsoResize);
}
},
resize: function(event, ui){
var self = $(this).data("resizable"), o = self.options, os = self.originalSize, op = self.originalPosition;
var delta = {
height: (self.size.height - os.height) || 0, width: (self.size.width - os.width) || 0,
top: (self.position.top - op.top) || 0, left: (self.position.left - op.left) || 0
},
_alsoResize = function(exp, c) {
$(exp).each(function() {
var el = $(this), start = $(this).data("resizable-alsoresize"), style = {}, css = c && c.length ? c : ['width', 'height', 'top', 'left'];
$.each(css || ['width', 'height', 'top', 'left'], function(i, prop) {
var sum = (start[prop]||0) + (delta[prop]||0);
if (sum && sum >= 0)
style[prop] = sum || null;
});
//Opera fixing relative position
if (/relative/.test(el.css('position')) && $.browser.opera) {
self._revertToRelativePosition = true;
el.css({ position: 'absolute', top: 'auto', left: 'auto' });
}
el.css(style);
});
};
if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
$.each(o.alsoResize, function(exp, c) { _alsoResize(exp, c); });
}else{
_alsoResize(o.alsoResize);
}
},
stop: function(event, ui){
var self = $(this).data("resizable");
//Opera fixing relative position
if (self._revertToRelativePosition && $.browser.opera) {
self._revertToRelativePosition = false;
el.css({ position: 'relative' });
}
$(this).removeData("resizable-alsoresize-start");
}
});
$.ui.plugin.add("resizable", "animate", {
stop: function(event, ui) {
var self = $(this).data("resizable"), o = self.options;
var pr = o.proportionallyResize, ista = pr && (/textarea/i).test(pr.get(0).nodeName),
soffseth = ista && $.ui.hasScroll(pr.get(0), 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
soffsetw = ista ? 0 : self.sizeDiff.width;
var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
self.element.animate(
$.extend(style, top && left ? { top: top, left: left } : {}), {
duration: o.animateDuration,
easing: o.animateEasing,
step: function() {
var data = {
width: parseInt(self.element.css('width'), 10),
height: parseInt(self.element.css('height'), 10),
top: parseInt(self.element.css('top'), 10),
left: parseInt(self.element.css('left'), 10)
};
if (pr) pr.css({ width: data.width, height: data.height });
// propagating resize, and updating values for each animation step
self._updateCache(data);
self._propagate("resize", event);
}
}
);
}
});
$.ui.plugin.add("resizable", "containment", {
start: function(event, ui) {
var self = $(this).data("resizable"), o = self.options, el = self.element;
var oc = o.containment, ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
if (!ce) return;
self.containerElement = $(ce);
if (/document/.test(oc) || oc == document) {
self.containerOffset = { left: 0, top: 0 };
self.containerPosition = { left: 0, top: 0 };
self.parentData = {
element: $(document), left: 0, top: 0,
width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
};
}
// i'm a node, so compute top, left, right, bottom
else {
var element = $(ce), p = [];
$([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });
self.containerOffset = element.offset();
self.containerPosition = element.position();
self.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };
var co = self.containerOffset, ch = self.containerSize.height, cw = self.containerSize.width,
width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw ), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);
self.parentData = {
element: ce, left: co.left, top: co.top, width: width, height: height
};
}
},
resize: function(event, ui) {
var self = $(this).data("resizable"), o = self.options,
ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
pRatio = o._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;
if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;
if (cp.left < (self._helper ? co.left : 0)) {
self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
if (pRatio) self.size.height = self.size.width / o.aspectRatio;
self.position.left = o.helper ? co.left : 0;
}
if (cp.top < (self._helper ? co.top : 0)) {
self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
if (pRatio) self.size.width = self.size.height * o.aspectRatio;
self.position.top = self._helper ? co.top : 0;
}
var woset = Math.abs( (self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
hoset = Math.abs( (self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );
var isParent = self.containerElement.get(0) == self.element.parent().get(0),
isOffsetRelative = /relative|absolute/.test(self.containerElement.css('position'));
if(isParent && isOffsetRelative) woset -= self.parentData.left;
if (woset + self.size.width >= self.parentData.width) {
self.size.width = self.parentData.width - woset;
if (pRatio) self.size.height = self.size.width / o.aspectRatio;
}
if (hoset + self.size.height >= self.parentData.height) {
self.size.height = self.parentData.height - hoset;
if (pRatio) self.size.width = self.size.height * o.aspectRatio;
}
},
stop: function(event, ui){
var self = $(this).data("resizable"), o = self.options, cp = self.position,
co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;
var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;
if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
if (self._helper && !o.animate && (/static/).test(ce.css('position')))
$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
}
});
$.ui.plugin.add("resizable", "ghost", {
start: function(event, ui) {
var self = $(this).data("resizable"), o = self.options, pr = o.proportionallyResize, cs = self.size;
self.ghost = self.originalElement.clone();
self.ghost
.css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
.addClass('ui-resizable-ghost')
.addClass(typeof o.ghost == 'string' ? o.ghost : '');
self.ghost.appendTo(self.helper);
},
resize: function(event, ui){
var self = $(this).data("resizable"), o = self.options;
if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
},
stop: function(event, ui){
var self = $(this).data("resizable"), o = self.options;
if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
}
});
$.ui.plugin.add("resizable", "grid", {
resize: function(event, ui) {
var self = $(this).data("resizable"), o = self.options, cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || event.shiftKey;
o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);
if (/^(se|s|e)$/.test(a)) {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
}
else if (/^(ne)$/.test(a)) {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
self.position.top = op.top - oy;
}
else if (/^(sw)$/.test(a)) {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
self.position.left = op.left - ox;
}
else {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
self.position.top = op.top - oy;
self.position.left = op.left - ox;
}
}
});
var num = function(v) {
return parseInt(v, 10) || 0;
};
})(jQuery);