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split.js
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/**
* name: split.js
* author: biaochen
* date: 2018-12-26
*
*/
$(function() {
//鼠标横向、竖向、和改变父高度的上下 操作对象
var thisTransverseObject, thisVerticalObject, thisArrowObject;
//文档对象
var doc = document;
//横向分割栏
var transverseLabels = $(".hj-wrap").find(".hj-transverse-split-label");
//竖向分割栏
var verticalLabels = $(".hj-wrap").find(".hj-vertical-split-label");
// 改变父高度的 箭头 div
var parentArrow = $(".hj-wrap").find(".arrow");
// 设置宽
function setWidth(type) {
if (type === "init") {
var length = $(".hj-wrap").length;
if (length > 0) {
for (var i = 0; i < length; i++) {
var width = $($(".hj-wrap")[i])[0].offsetWidth;
var hjDivNums = $($(".hj-wrap")[i]).children(".hj-transverse-split-div");
// var defaultWidth = Math.floor(100 / hjDivNums.length);
var defaultWidth = Math.floor(width / hjDivNums.length);
$($(".hj-wrap")[i])
.children(".hj-transverse-split-div")
.width(defaultWidth + "px");
// .width(defaultWidth + "%");
}
}
} else {
// 设置百分比
var transverseDivs = $(".hj-transverse-split-div")
var widthLength = transverseDivs.length
for (var i = 0; i < widthLength; i++) {
var width = $(transverseDivs[i]).width();
var parentWidth = $(transverseDivs[i])
.parent()
.width();
var rate = (width / parentWidth) * 100 + "%";
$(transverseDivs[i]).css({ width: rate });
}
}
}
// 设置高
function setHeight(type) {
if (type === "init") {
var verticalsParentDivs = $(".verticals");
var parentLengths = verticalsParentDivs.length;
for (var i = 0; i < parentLengths; i++) {
var parentHeight = $(verticalsParentDivs[i]).height();
var childrenNum = $(verticalsParentDivs[i]).children(
".hj-vertical-split-div"
).length;
var defaultHeight = Math.floor(parentHeight / childrenNum);
// var rate = Math.floor((height / parentHeight)* 100) + '%'
var defaultHeight = Math.floor(100 / childrenNum);
$(verticalsParentDivs[i])
.children(".hj-vertical-split-div")
.height(defaultHeight + "%");
// .height(defaultHeight + "px");
}
} else {
// 设置百分比
var verticalsDivs = $(".hj-vertical-split-div");
var heightLength = verticalsDivs.length;
for (var i = 0; i < heightLength; i++) {
var height = $(verticalsDivs[i]).height();
var parentHeight = $(verticalsDivs[i])
.parent()
.height();
var rate = (height / parentHeight) * 100 + "%";
$(verticalsDivs[i]).css({ height: rate });
}
}
}
setWidth('init')
setHeight("init");
//定义一个对象
function PointerObject() {
this.el = null; //当前鼠标选择的对象
this.clickX = 0; //鼠标横向初始位置
this.clickY = 0; //鼠标竖向初始位置
this.transverseDragging = false; //判断鼠标可否横向拖动
this.verticalDragging = false; //判断鼠标可否竖向拖动
}
//横向分隔栏绑定事件
transverseLabels.bind("mousedown", function(e) {
thisTransverseObject = new PointerObject();
thisTransverseObject.transverseDragging = true; //鼠标可横向拖动
thisTransverseObject.el = this;
thisTransverseObject.clickX = e.pageX; //记录鼠标横向初始位置
});
//竖向分隔栏绑定事件
verticalLabels.bind("mousedown", function(e) {
//console.log("mousedown");
thisVerticalObject = new PointerObject();
thisVerticalObject.verticalDragging = true; //鼠标可竖向拖动
thisVerticalObject.el = this;
thisVerticalObject.clickY = e.pageY; //记录鼠标竖向初始位置
});
//上下绑定事件
parentArrow.bind("mousedown", function(e) {
//console.log("mousedown");
thisArrowObject = new PointerObject();
// thisArrowObject.transverseDragging = true; //鼠标可横向拖动
thisArrowObject.verticalDragging = true; //鼠标可竖向拖动
thisArrowObject.el = this;
thisArrowObject.clickY = e.pageY; //记录鼠标竖向初始位置
});
doc.onmousemove = function(e) {
//鼠标横向拖动
if (thisTransverseObject != null) {
if (thisTransverseObject.transverseDragging) {
var changeDistance = 0;
if (thisTransverseObject.clickX >= e.pageX) {
//鼠标向左移动
changeDistance =
Number(thisTransverseObject.clickX) - Number(e.pageX);
if (
$(thisTransverseObject.el)
.parent()
.width() -
changeDistance <
20
) {} else {
$(thisTransverseObject.el)
.parent()
.width(
$(thisTransverseObject.el)
.parent()
.width() - changeDistance
);
$(thisTransverseObject.el)
.parent()
.next()
.width(
$(thisTransverseObject.el)
.parent()
.next()
.width() + changeDistance
);
thisTransverseObject.clickX = e.pageX;
$(thisTransverseObject.el).offset({ left: e.pageX });
}
} else {
//鼠标向右移动
changeDistance =
Number(e.pageX) - Number(thisTransverseObject.clickX);
if (
$(thisTransverseObject.el)
.parent()
.next()
.width() -
changeDistance <
20
) {} else {
$(thisTransverseObject.el)
.parent()
.width(
$(thisTransverseObject.el)
.parent()
.width() + changeDistance
);
$(thisTransverseObject.el)
.parent()
.next()
.width(
$(thisTransverseObject.el)
.parent()
.next()
.width() - changeDistance
);
thisTransverseObject.clickX = e.pageX;
$(thisTransverseObject.el).offset({ left: e.pageX });
}
}
$(thisTransverseObject.el).width(2);
}
}
//鼠标竖向拖动
if (thisVerticalObject != null) {
if (thisVerticalObject.verticalDragging) {
var changeDistance = 0;
if (thisVerticalObject.clickY >= e.pageY) {
//鼠标向上移动
changeDistance = Number(thisVerticalObject.clickY) - Number(e.pageY);
if (
$(thisVerticalObject.el)
.parent()
.height() -
changeDistance <
20
) {} else {
$(thisVerticalObject.el)
.parent()
.height(
$(thisVerticalObject.el)
.parent()
.height() - changeDistance
);
$(thisVerticalObject.el)
.parent()
.next()
.height(
$(thisVerticalObject.el)
.parent()
.next()
.height() + changeDistance
);
thisVerticalObject.clickY = e.pageY;
$(thisVerticalObject.el).offset({ top: e.pageY });
}
} else {
//鼠标向下移动
changeDistance = Number(e.pageY) - Number(thisVerticalObject.clickY);
if (
$(thisVerticalObject.el)
.parent()
.next()
.height() -
changeDistance <
20
) {} else {
$(thisVerticalObject.el)
.parent()
.height(
$(thisVerticalObject.el)
.parent()
.height() + changeDistance
);
$(thisVerticalObject.el)
.parent()
.next()
.height(
$(thisVerticalObject.el)
.parent()
.next()
.height() - changeDistance
);
thisVerticalObject.clickY = e.pageY;
$(thisVerticalObject.el).offset({ top: e.pageY });
}
}
$(thisVerticalObject.el).height(2);
}
}
// 改变父的 高度
if (thisArrowObject != null) {
//鼠标竖向拖动
if (thisArrowObject.verticalDragging) {
var changeDistance = 0;
if (thisArrowObject.clickY >= e.pageY) {
//鼠标向上移动
changeDistance = Number(thisArrowObject.clickY) - Number(e.pageY);
if (
$(thisArrowObject.el)
.parent()
.height() -
changeDistance <
50
) {} else {
$(thisArrowObject.el)
.parent()
.height(
$(thisArrowObject.el)
.parent()
.height() - changeDistance
);
thisArrowObject.clickY = e.pageY;
$(thisArrowObject.el).offset({ bottom: e.pageY });
}
} else {
//鼠标向下移动
changeDistance = Number(e.pageY) - Number(thisArrowObject.clickY);
$(thisArrowObject.el)
.parent()
.height(
$(thisArrowObject.el)
.parent()
.height() + changeDistance
);
thisArrowObject.clickY = e.pageY;
$(thisArrowObject.el).offset({ bottom: e.pageY });
}
$(thisArrowObject.el).height(10);
}
//鼠标横向拖动 (还没做，模仿上面的 鼠标竖向拖动 即可))
// if (thisArrowObject.transverseDragging) {
// var changeDistance = 0;
// if (thisArrowObject.clickX >= e.pageX) {
// //鼠标向左移动
// changeDistance = Number(thisArrowObject.clickX) - Number(e.pageX);
// if (
// $(thisArrowObject.el)
// .parent()
// .width() -
// changeDistance <
// 20
// ) {} else {
// $(thisArrowObject.el)
// .parent()
// .width(
// $(thisArrowObject.el)
// .prev()
// .width() - changeDistance
// );
// $(thisArrowObject.el)
// .parent()
// .width(
// $(thisArrowObject.el)
// .parent()
// .width() + changeDistance
// );
// thisArrowObject.clickX = e.pageX;
// $(thisArrowObject.el).offset({ left: e.pageX - 4 });
// }
// } else {
// //鼠标向右移动
// changeDistance = Number(e.pageX) - Number(thisArrowObject.clickX);
// if (
// $(thisArrowObject.el)
// .parent()
// .width() -
// changeDistance <
// 20
// ) {} else {
// $(thisArrowObject.el)
// .parent()
// .width(
// $(thisArrowObject.el)
// .parent()
// .width() + changeDistance
// );
// $(thisArrowObject.el)
// .parent()
// .width(
// $(thisArrowObject.el)
// .parent()
// .width() - changeDistance
// );
// thisArrowObject.clickX = e.pageX;
// $(thisArrowObject.el).offset({ left: e.pageX - 4 });
// }
// }
// $(thisArrowObject.el).width(10);
// }
}
};
$(doc).mouseup(function(e) {
setHeight("setHeight");
setWidth("setWidth");
// 鼠标弹起时设置不能拖动
if (thisTransverseObject != null) {
thisTransverseObject.transverseDragging = false;
thisTransverseObject = null;
}
if (thisVerticalObject != null) {
thisVerticalObject.verticalDragging = false;
thisVerticalObject = null;
}
if (thisArrowObject != null) {
thisArrowObject.verticalDragging = false;
thisArrowObject = null;
}
e.cancelBubble = true;
});
});