TaoLer/public/static/component/pear/module/menuSearch.js
2024-04-14 12:03:38 +08:00

234 lines
6.7 KiB
JavaScript

layui.define(['jquery', 'tools'], function (exports) {
"use strict";
/**
* @since Pear Admin 4.0
*
* Button component
* */
var MOD_NAME = 'menuSearch',
tools = layui.tools,
$ = layui.jquery;
var menuSearch = function (opt) {
this.option = opt;
};
/**
* @since Pear Admin 4.0
*
* Button start loading
* */
menuSearch.prototype.render = function (opt) {
var options = {
select: opt.select,
elem: opt.elem,
dataProvider: opt.dataProvider,
}
$('body').on("click", options.elem, function () {
var _html = [
`<div class="menu-search-content">
<div class="layui-form menu-search-input-wrapper">
<div class=" layui-input-wrap layui-input-wrap-prefix">
<div class="layui-input-prefix">
<i class="layui-icon layui-icon-search"></i>
</div>
<input type="text" name="menuSearch" value="" placeholder="搜索菜单" autocomplete="off" class="layui-input" lay-affix="clear">
</div>
</div>
<div class="menu-search-no-data">暂 无 信 息</div>
<ul class="menu-search-list">
</ul>
<div class="menu-search-tips">
<div>
<span class="mr-1">选择</span><kbd class="mr-1 w-5"> ↑ </kbd><kbd class="mr-5 w-5"> ↓ </kbd>
<span class="mr-1">确定</span><kbd class="mr-5"> Enter </kbd><span class="mr-1">关闭</span><kbd class="mr-1"> Esc </kbd>
</div>
</div>
</div>`
].join('');
layer.open({
type: 1,
offset: "10%",
area: ['600px'],
title: false,
closeBtn: 0,
shadeClose: true,
anim: 0,
move: false,
content: _html,
success: function (layero, layeridx) {
var $layer = layero;
var $content = $(layero).children('.layui-layer-content');
var $input = $(".menu-search-input-wrapper input");
var $noData = $(".menu-search-no-data");
var $list = $(".menu-search-list");
var menuData = options.dataProvider();
$layer.css("border-radius", "6px");
$input.off("focus").focus();
// 搜索输入事件
$input.off("input").on("input", tools.debounce(function () {
var keywords = $input.val().trim();
var filteredMenus = filterHandle(menuData, keywords);
if (filteredMenus.length) {
var tiledMenus = tiledHandle(filteredMenus);
var listHtml = createList(tiledMenus);
$noData.css("display", "none");
$list.html("").append(listHtml).children(":first").addClass("this")
} else {
$list.html("");
$noData.css("display", "flex");
}
var currentHeight = $(".menu-search-content").outerHeight()
$layer.css("height", currentHeight);
$content.css("height", currentHeight);
}, 500)
)
// 列表点击事件
$list.off("click").on("click", "li", function () {
var id = $(this).attr("smenu-id");
var title = $(this).attr("smenu-title");
var url = $(this).attr("smenu-url");
var type = $(this).attr("smenu-type");
var openType = $(this).attr("smenu-open-type");
options.select({ id, title, url, type, openType });
layer.close(layeridx);
})
$list.off('mouseenter').on("mouseenter", "li", function () {
$(".menu-search-list li.this").removeClass("this");
$(this).addClass("this");
}).off("mouseleave").on("mouseleave", "li", function () {
$(this).removeClass("this");
})
// 监听键盘事件
$('.menu-search-content').off("keydown").keydown(function (e) {
if (e.keyCode === 13 || e.keyCode === 32) {
e.preventDefault();
var that = $(".menu-search-list li.this");
var id = that.attr("smenu-id");
var title = that.attr("smenu-title");
var url = that.attr("smenu-url");
var type = that.attr("smenu-type");
var openType = that.attr("smenu-open-type");
options.select({ id, title, url, type, openType });
layer.close(layeridx);
} else if (e.keyCode === 38) {
e.preventDefault();
var prevEl = $(".menu-search-list li.this").prev();
$(".menu-search-list li.this").removeClass("this");
if (prevEl.length !== 0) {
prevEl.addClass("this");
} else {
$list.children().last().addClass("this");
}
} else if (e.keyCode === 40) {
e.preventDefault();
var nextEl = $(".menu-search-list li.this").next();
$(".menu-search-list li.this").removeClass("this");
if (nextEl.length !== 0) {
nextEl.addClass("this");
} else {
$list.children().first().addClass("this");
}
} else if (e.keyCode === 27) {
e.preventDefault();
layer.close(layeridx);
}
})
}
})
});
return new menuSearch(options);
}
/**
* @since Pear Admin 4.0
*
* 创建结果列表
*/
var createList = function (data) {
var listHtml = '';
$.each(data, function (index, item) {
listHtml += `<li smenu-open-type="${item.info.openType}" smenu-id="${item.info.id}" smenu-icon="'${item.info.icon}" smenu-url="${item.info.href}" smenu-title="${item.info.title}" smenu-type="${item.info.type}">
<span><i style="margin-right:10px" class="${item.info.icon}"></i>${item.path}</span>
<i class="layui-icon layui-icon-right"></i>
</li>`
})
return listHtml;
}
/**
* @since Pear Admin 4.0
*
* Tree 转 path 列表
*/
var tiledHandle = function (data) {
var tiledMenus = [];
var treeTiled = function (data, content) {
var path = "";
var separator = " / ";
if (!content) content = "";
$.each(data, function (index, item) {
if (item.children && item.children.length) {
path += content + item.title + separator;
var childPath = treeTiled(item.children, path);
path += childPath;
if (!childPath) path = ""; // 重置路径
} else {
path += content + item.title
tiledMenus.push({ path: path, info: item });
path = ""; //重置路径
}
})
return path;
};
treeTiled(data);
return tiledMenus;
}
/**
* @since Pear Admin 4.0
*
* 查询匹配算法
*/
var filterHandle = function (filterData, val) {
if (!val) return [];
var filteredMenus = [];
filterData = $.extend(true, {}, filterData);
$.each(filterData, function (index, item) {
if (item.children && item.children.length) {
var children = filterHandle(item.children, val)
var obj = $.extend({}, item, { children: children });
if (children && children.length) {
filteredMenus.push(obj);
} else if (item.title.indexOf(val) >= 0) {
item.children = []; // 父级匹配但子级不匹配,就去除子级
filteredMenus.push($.extend({}, item));
}
} else if (item.title.indexOf(val) >= 0) {
filteredMenus.push(item);
}
})
return filteredMenus;
}
exports(MOD_NAME, new menuSearch());
});