From d7fe3b19ab7a906b30ad8ba73e6cd56cb5deedef Mon Sep 17 00:00:00 2001
From: ZZJ <zzjdsg2300@163.com>
Date: 星期一, 20 十二月 2021 19:12:09 +0800
Subject: [PATCH] 搜索
---
src/components/giantTree/zTree/ztree.vue | 165 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 164 insertions(+), 1 deletions(-)
diff --git a/src/components/giantTree/zTree/ztree.vue b/src/components/giantTree/zTree/ztree.vue
index f17ee9c..147ccec 100644
--- a/src/components/giantTree/zTree/ztree.vue
+++ b/src/components/giantTree/zTree/ztree.vue
@@ -1,15 +1,25 @@
<template>
- <div class="ztree" :id="ztreeId"></div>
+ <div>
+ <div class="search">
+ <el-input placeholder="鎼滅储" v-model="keyWord">
+ <i slot="suffix" class="el-input__icon el-icon-search" id="key"></i>
+ </el-input>
+ </div>
+ <div class="ztree" :id="ztreeId"></div>
+ </div>
</template>
<script>
import * as $ from "jquery";
+import { Loading } from "element-ui";
+
if (!window.jQuery) {
window.jQuery = $;
}
// require("@ztree/ztree_v3/js/jquery.ztree.all");
require("./ztree_v3/jquery.ztree.all");
+require("./ztree_v3/jquery.ztree.exhide");
export default {
props: {
@@ -96,6 +106,10 @@
},
},
},
+ keyWord: "",
+ options: {
+ target: "",
+ },
};
},
watch: {
@@ -113,6 +127,8 @@
Object.assign({}, this.ztreeSetting, this.setting),
this.list
);
+ console.log("---------");
+ this.fuzzySearch(this.ztreeObj, "#key", null, true); //鍒濆鍖栨ā绯婃悳绱㈡柟娉�
this.$emit("onCreated", this.ztreeObj);
});
},
@@ -322,6 +338,138 @@
if (btn) {
item.removeChild(item.querySelector(".icontupian1"));
}
+ }
+ },
+ fuzzySearch(zTreeObj, searchField, isHighLight, isExpand) {
+ const _this = this;
+
+ if (!zTreeObj) {
+ alert("fail to get ztree object");
+ }
+ var nameKey = zTreeObj.setting.data.key.name; //get the key of the node name
+ isHighLight = isHighLight === false ? false : true; //default true, only use false to disable highlight
+ isExpand = isExpand ? true : false; // not to expand in default
+ zTreeObj.setting.view.nameIsHTML = isHighLight; //allow use html in node name for highlight use
+
+ var metaChar = "[\\[\\]\\\\^\\$\\.\\|\\?\\*\\+\\(\\)]"; //js meta characters
+ var rexMeta = new RegExp(metaChar, "gi"); //regular expression to match meta characters
+
+ // keywords filter function
+ function ztreeFilter(zTreeObj, _keywords, callBackFunc) {
+ if (!_keywords) {
+ _keywords = ""; //default blank for _keywords
+ }
+
+ // function to find the matching node
+ function filterFunc(node) {
+ if (node && node.oldname && node.oldname.length > 0) {
+ node[nameKey] = node.oldname; //recover oldname of the node if exist
+ }
+ zTreeObj.updateNode(node); //update node to for modifications take effect
+ if (_keywords.length == 0) {
+ //return true to show all nodes if the keyword is blank
+ zTreeObj.showNode(node);
+ zTreeObj.expandNode(node, isExpand);
+ return true;
+ }
+ //transform node name and keywords to lowercase
+ if (
+ node[nameKey] &&
+ node[nameKey].toLowerCase().indexOf(_keywords.toLowerCase()) != -1
+ ) {
+ if (isHighLight) {
+ //highlight process
+ //a new variable 'newKeywords' created to store the keywords information
+ //keep the parameter '_keywords' as initial and it will be used in next node
+ //process the meta characters in _keywords thus the RegExp can be correctly used in str.replace
+ var newKeywords = _keywords.replace(rexMeta, function (matchStr) {
+ //add escape character before meta characters
+ return "\\" + matchStr;
+ });
+ node.oldname = node[nameKey]; //store the old name
+ var rexGlobal = new RegExp(newKeywords, "gi"); //'g' for global,'i' for ignore case
+ //use replace(RegExp,replacement) since replace(/substr/g,replacement) cannot be used here
+ node[nameKey] = node.oldname.replace(
+ rexGlobal,
+ function (originalText) {
+ //highlight the matching words in node name
+ var highLightText =
+ '<span style="color: whitesmoke;background-color: darkred;">' +
+ originalText +
+ "</span>";
+ return highLightText;
+ }
+ );
+ zTreeObj.updateNode(node); //update node for modifications take effect
+ }
+ zTreeObj.showNode(node); //show node with matching keywords
+ return true; //return true and show this node
+ }
+
+ zTreeObj.hideNode(node); // hide node that not matched
+ return false; //return false for node not matched
+ }
+
+ var nodesShow = zTreeObj.getNodesByFilter(filterFunc); //get all nodes that would be shown
+ processShowNodes(nodesShow, _keywords); //nodes should be reprocessed to show correctly
+ }
+
+ /**
+ * reprocess of nodes before showing
+ */
+ function processShowNodes(nodesShow, _keywords) {
+ if (nodesShow && nodesShow.length > 0) {
+ //process the ancient nodes if _keywords is not blank
+ if (_keywords.length > 0) {
+ $.each(nodesShow, function (n, obj) {
+ var pathOfOne = obj.getPath(); //get all the ancient nodes including current node
+ if (pathOfOne && pathOfOne.length > 0) {
+ //i < pathOfOne.length-1 process every node in path except self
+ for (var i = 0; i < pathOfOne.length - 1; i++) {
+ zTreeObj.showNode(pathOfOne[i]); //show node
+ zTreeObj.expandNode(pathOfOne[i], true); //expand node
+ }
+ }
+ });
+ } else {
+ //show all nodes when _keywords is blank and expand the root nodes
+ var rootNodes = zTreeObj.getNodesByParam("level", "0"); //get all root nodes
+ $.each(rootNodes, function (n, obj) {
+ zTreeObj.expandNode(obj, true); //expand all root nodes
+ });
+ }
+ }
+ }
+
+ //listen to change in input element
+ $(searchField).bind("click", function () {
+ _this.options.target = document.querySelector(
+ "#" + _this.ztreeId
+ ).parentNode.parentNode;
+ console.log(_this.options.target);
+ let loadingInstance = Loading.service(_this.options);
+ console.log(_this.keyWord);
+ // var _keywords = $(this).val();
+ searchNodeLazy(_this.keyWord); //call lazy load
+ loadingInstance.close();
+ });
+
+ var timeoutId = null;
+ var lastKeyword = "";
+ // excute lazy load once after input change, the last pending task will be cancled
+ function searchNodeLazy(_keywords) {
+ if (timeoutId) {
+ //clear pending task
+ clearTimeout(timeoutId);
+ }
+ timeoutId = setTimeout(function () {
+ if (lastKeyword === _keywords) {
+ return;
+ }
+ ztreeFilter(zTreeObj, _keywords); //lazy load ztreeFilter function
+ // $(searchField).focus();//focus input field again after filtering
+ lastKeyword = _keywords;
+ }, 500);
}
},
},
@@ -659,3 +807,18 @@
position: absolute;
}
</style>
+
+<style scoped lang="scss">
+.search {
+ width: 300px;
+
+ ::v-deep .el-input__suffix {
+ right: 0;
+ width: 50px;
+ background: skyblue;
+ color: #fff;
+ cursor: pointer;
+ background-color: rgb(61, 104, 255);
+ }
+}
+</style>
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