我想在一个用77deg旋转的div上调整jQuery UI大小。结果完全无法控制。
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有没有办法解决这个问题？ 谢谢
答案 0 :(得分：2)
更改JQuery-ui可调整大小的插件
_mouseStart: function(event) {
var curleft, curtop, cursor,
o = this.options,
iniPos = this.element.position(),
el = this.element;
this.resizing = true;
// bugfix for http://dev.jquery.com/ticket/1749
if ( (/absolute/).test( el.css("position") ) ) {
el.css({ position: "absolute", top: el.css("top"), left: el.css("left") });
} else if (el.is(".ui-draggable")) {
el.css({ position: "absolute", top: iniPos.top, left: iniPos.left });
}
this._renderProxy();
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 };
var angle=0;
var matrix = $(el).css("-webkit-transform") ||
$(el).css("-moz-transform") ||
$(el).css("-ms-transform") ||
$(el).css("-o-transform") ||
$(el).css("transform");
if(matrix !== 'none') {
var values = matrix.split('(')[1].split(')')[0].split(',');
var a = values[0];
var b = values[1];
var angle = Math.round(Math.atan2(b, a) * (180/Math.PI));
}
else {
var angle = 0;
}
if(angle < 0)
angle +=360;
this.angle = angle;
thi.rad = this.angle*Math.PI/180;
//Aspect Ratio
this.aspectRatio = (typeof o.aspectRatio === "number") ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);
cursor = $(el).find(".ui-resizable-" + this.axis).css("cursor");
$("body").css("cursor", cursor === "auto" ? this.axis + "-resize" : cursor);
var cornerItem = 0;
if(this.axis == 'ne')
cornerItem = 3;
else if(this.axis == 'nw')
cornerItem = 2;
else if(this.axis == 'sw')
cornerItem = 1;
else if(this.axis == 'se')
cornerItem = 0;
this.cornerItem = cornerItem;
var t1 = this.position.top;
var l1 = this.position.left;
var w1 = this.size.width;
var h1 = this.size.height;
var midX = l1 + w1/2;
var midY = t1 + h1/2;
var cornersX = [l1-midX, l1+w1-midX , l1+w1-midX, l1-midX];
var cornersY = [t1-midY, midY-(t1+h1), midY-t1, t1+h1-midY];
var newX = 1e10;
var newY = 1e10;
for (var i=0; i<4; i++) {
if(i == this.cornerItem){
this.prevX = cornersX[i]*Math.cos(this.rad) - cornersY[i]*Math.sin(this.rad) + midX;
this.prevY = cornersX[i]*Math.sin(this.rad) + cornersY[i]*Math.cos(this.rad) + midY;
}
}
el.addClass("ui-resizable-resizing");
this._propagate("start", event);
return true;
},
_mouseDrag: function(event) {
//Increase performance, avoid regex
var data,
el = this.helper, props = {},
smp = this.originalMousePosition,
a = this.axis,
prevTop = this.position.top,
prevLeft = this.position.left,
prevWidth = this.size.width,
prevHeight = this.size.height;
dx1 = (event.pageX-smp.left)||0,
dy1 = (event.pageY-smp.top)||0;
dx = ((dx1)*Math.cos(this.rad) + (dy1)*Math.sin(this.rad));
dy =((dx1)*Math.sin(this.rad) - (dy1)*Math.cos(this.rad));
el = this.element;
var t1 = this.position.top;
var l1 = this.position.left;
var w1 = this.size.width;
var h1 = this.size.height;
var midX = l1 + w1/2;
var midY = t1 + h1/2;
var cornersX = [l1-midX, l1+w1-midX , l1+w1-midX, l1-midX];
var cornersY = [t1-midY, midY-(t1+h1), midY-t1, t1+h1-midY];
var newX = 1e10 , newY = 1e10 , curX =0, curY=0;
for (var i=0; i<4; i++) {
if(i == this.cornerItem){
newX = cornersX[i]*Math.cos(this.rad) - cornersY[i]*Math.sin(this.rad) + midX;
newY = cornersX[i]*Math.sin(this.rad) + cornersY[i]*Math.cos(this.rad) + midY;
curX = newX - this.prevX;
curY = newY - this.prevY;
}
}
trigger = this._change[a];
if (!trigger) {
return false;
}
// Calculate the attrs that will be change
data = trigger.apply(this, [event, dx, dy]);
// Put this in the mouseDrag handler since the user can start pressing shift while resizing
this._updateVirtualBoundaries(event.shiftKey);
if (this._aspectRatio || event.shiftKey) {
data = this._updateRatio(data, event);
}
data = this._respectSize(data, event);
this._updateCache(data);
// plugins callbacks need to be called first
this._propagate("resize", event);
this.position.left = this.position.left - curX;
this.position.top = this.position.top - curY;
if (this.position.top !== prevTop) {
props.top = this.position.top + "px";
}
if (this.position.left !== prevLeft) {
props.left = this.position.left + "px";
}
if (this.size.width !== prevWidth) {
props.width = this.size.width + "px";
}
if (this.size.height !== prevHeight) {
props.height = this.size.height + "px";
}
el.css(props);
if (!this._helper && this._proportionallyResizeElements.length) {
this._proportionallyResize();
}
// Call the user callback if the element was resized
if ( ! $.isEmptyObject(props) ) {
this._trigger("resize", event, this.ui());
}
return false;
},
_mouseStop: function(event) {
this.resizing = false;
var pr, ista, soffseth, soffsetw, s, left, top,
o = this.options, that = this;
if(this._helper) {
pr = this._proportionallyResizeElements;
ista = pr.length && (/textarea/i).test(pr[0].nodeName);
soffseth = ista && $.ui.hasScroll(pr[0], "left") /* TODO - jump height */ ? 0 : that.sizeDiff.height;
soffsetw = ista ? 0 : that.sizeDiff.width;
s = { width: (that.helper.width() - soffsetw), height: (that.helper.height() - soffseth) };
left = (parseInt(that.element.css("left"), 10) + (that.position.left - that.originalPosition.left)) || null;
top = (parseInt(that.element.css("top"), 10) + (that.position.top - that.originalPosition.top)) || null;
if (!o.animate) {
this.element.css($.extend(s, { top: top, left: left }));
}
that.helper.height(that.size.height);
that.helper.width(that.size.width);
if (this._helper && !o.animate) {
this._proportionallyResize();
}
}
$("body").css("cursor", "auto");
this.element.removeClass("ui-resizable-resizing");
this._propagate("stop", event);
if (this._helper) {
this.helper.remove();
}
return false;
},
_change: {
e: function(event, dx, dy) {
var cs = this.originalSize, sp = this.originalPosition,elwidth, elheight,lleft=0, ttop =0;
if(this.axis == 'se'){
elwidth = this.originalSize.width + dx;
elheight = this.originalSize.height - dy;
return { height: elheight , width: elwidth };
}
else{
elwidth = this.originalSize.width + dx;
elheight = this.originalSize.height + dy;
return { height: elheight , width: elwidth };
}
},
w: function(event, dx, dy) {
var cs = this.originalSize, sp = this.originalPosition,elwidth, elheight,lleft=0, ttop =0;
if(this.axis == 'nw'){
elwidth = cs.width - dx;
elheight = this.originalSize.height + dy;
return { height: elheight , width: elwidth };
}
else{
elwidth = cs.width - dx;
elheight = this.originalSize.height - dy;
return { height: elheight , width: elwidth };
}
},
n: function(event, dx, dy) {
var cs = this.originalSize, sp = this.originalPosition,elwidth, elheight,lleft=0, ttop =0;
if(this.axis == 'nw'){
elwidth = this.originalSize.width - dx;
elheight = cs.height + dy;
return { height: elheight , width: elwidth };
}
else{
elwidth = this.originalSize.width + dx;
elheight = cs.height + dy;
return { height: elheight , width: elwidth };
}
},
s: function(event, dx, dy) {
var cs = this.originalSize, sp = this.originalPosition,elwidth, elheight,lleft=0, ttop =0;
if(this.axis == 'se'){
elwidth = this.originalSize.width + dx;
elheight = this.originalSize.height - dy;
return { height: elheight , width: elwidth };
}
else {
elwidth = this.originalSize.width - dx;
elheight = this.originalSize.height - dy;
return { height: elheight , width: elwidth };
}
},
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]));
}
},
答案 1 :(得分：0)
手柄的鼠标移动未随元素一起旋转。
如果你选择了右手柄（如果你使用rotate(77deg)将会在底部附近），向左移动将缩小元素的宽度（由于旋转，它将显得类似于高度）。
要调整相对于其中心的元素大小，您很可能必须通过引导鼠标移动来更新调整元素大小的代码，以调整宽度/高度。