Javascript 突出显示并滚动引导树视图内部
我正在引导模式中构建一个引导树。搜索时,将搜索所有节点,并在匹配发生时高亮显示。我的模态有固定的高度,如果搜索的元素出现在树的底部,我必须滚动查看元素。有匹配项时,是否可以自动滚动到第一个匹配的元素。这是我正在使用的插件。 一些代码供参考Javascript 突出显示并滚动引导树视图内部,javascript,jquery,twitter-bootstrap-3,treeview,bootstrap-treeview,Javascript,Jquery,Twitter Bootstrap 3,Treeview,Bootstrap Treeview,我正在引导模式中构建一个引导树。搜索时,将搜索所有节点,并在匹配发生时高亮显示。我的模态有固定的高度,如果搜索的元素出现在树的底部,我必须滚动查看元素。有匹配项时,是否可以自动滚动到第一个匹配的元素。这是我正在使用的插件。 一些代码供参考 <div class="row"> <hr> <h2>Searchable Tree</h2> <div class="col-sm-4"> <h2>
<div class="row">
<hr>
<h2>Searchable Tree</h2>
<div class="col-sm-4">
<h2>Input</h2>
<!-- <form> -->
<div class="form-group">
<label for="input-search" class="sr-only">Search Tree:</label>
<input type="input" class="form-control" id="input-search" placeholder="Type to search..." value="">
</div>
<div class="checkbox">
<label>
<input type="checkbox" class="checkbox" id="chk-ignore-case" value="true" checked>
Ignore Case
</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" class="checkbox" id="chk-exact-match" value="false">
Exact Match
</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" class="checkbox" id="chk-reveal-results" value="true" checked>
Reveal Results
</label>
</div>
<button type="button" class="btn btn-success" id="btn-search">Search</button>
<button type="button" class="btn btn-default" id="btn-clear-search">Clear</button>
<!-- </form> -->
</div>
<div class="col-sm-4">
<h2>Tree</h2>
<div id="treeview-searchable" class="treeview"></div>
</div>
<div class="col-sm-4">
<h2>Results</h2>
<div id="search-output"></div>
</div>
</div>
<div id="tree"></div>
可搜索树
输入
搜索树:
忽略案例
精确匹配
揭示结果
搜寻
清楚的
树
结果
Javascript:
var tree1 =[ {
text:"GrandParent",
nodes:[
{
text: "Parent 1",
},
{
text: "Parent 2"
},
{
text: "Parent 3"
},
{
text: "Parent 4"
},
{
text: "Parent 5",
nodes: [
{
text: "Child 5",
nodes: [
{
text: "Grandchild 4"
},
{
text: "Grandchild 5"
}
]
},
{
text: "Child 2"
}
]
},
{
text: "Parent 6",
nodes: [
{
text: "Child 6",
nodes: [
{
text: "Grandchild 8"
},
{
text: "Grandchild 9"
}
]
},
{
text: "Child 10"
}
]
}
]
}];
function getTree() {
// Some logic to retrieve, or generate tree structure
return tree1;
}
var $searchableTree = $('#treeview-searchable').treeview({
data: getTree(),
});
var search = function(e) {
var pattern = $('#input-search').val();
var options = {
ignoreCase: $('#chk-ignore-case').is(':checked'),
exactMatch: $('#chk-exact-match').is(':checked'),
revealResults: $('#chk-reveal-results').is(':checked')
};
var results = $searchableTree.treeview('search', [ pattern, options ]);
var output = '<p>' + results.length + ' matches found</p>';
$.each(results, function (index, result) {
output += '<p>- ' + result.text + '</p>';
});
$('#search-output').html(output);
}
$('#btn-search').on('click', search);
$('#input-search').on('keyup', search);
$('#btn-clear-search').on('click', function (e) {
$searchableTree.treeview('clearSearch');
$('#input-search').val('');
$('#search-output').html('');
});
var myTree = [{
text: "Parent1",
nodes: [{
text: "Child11",
nodes: [{
text: "GrandChild111"
}, {
text: "GrandChild112"
}]
}, {
text: "Child12"
}]
}, {
text: "Parent2",
nodes: [{
text: "Child21"
}, {
text: "Child22"
}]
}, {
text: "Parent3",
nodes: [{
text: "Child31"
}, {
text: "Child32"
}, {
text: "Child33"
}]
}, {
text: "Parent4"
}, {
text: "Parent5",
nodes: [{
text: "Child51"
}, {
text: "Child52"
}, {
text: "Child33"
}]
}, {
text: "Parent6"
}, {
text: "Parent7",
nodes: [{
text: "Child71",
nodes: [{
text: "GrandChild711"
}, {
text: "GrandChild712"
}]
}, {
text: "Child72",
nodes: [{
text: "GrandChild711"
}, {
text: "GrandChild712"
}]
}]
}, {
text: "Parent8"
}, {
text: "Parent9",
nodes: [{
text: "Child91"
}, {
text: "Child92"
}]
}, {
text: "Parent10"
}];
function getTree() {
// Some logic to retrieve, or generate tree structure
return myTree;
}
$('#tree').bind('mousewheel', function(e) {
$(this).scrollTop($(this).scrollTop() - e.originalEvent.wheelDeltaY);
return false;
});
var $searchableTree = $('#tree').treeview({
data: getTree(),
levels: 1
});
var search = function(e) {
var input, filter, div, ul, li, a, i;
var pattern = $('#input-search').val();
var options = {
ignoreCase: true,
exactMatch: false,
revealResults: true,
};
$searchableTree.treeview('search', [pattern, options]);
//Scrolling to the element that is searched
input = document.getElementById("input-search");
filter = input.value.toUpperCase();
div = document.getElementById("tree");
li = div.getElementsByTagName("li");
for (i = 0; i < li.length; i++) {
a = li[i];
if (a.innerHTML.toUpperCase().indexOf(filter) > -1) {
li[i].scrollIntoView(false)[0];
}
}
}
$('#btn-search').on('click', search);
$('#btn-clear-search').on('click', function(e) {
$searchableTree.treeview('clearSearch');
$('#input-search').val('');
$('#search-output').html('');
});
var tree1=[{
文字:“祖父母”,
节点:[
{
文本:“父1”,
},
{
正文:“家长2”
},
{
正文:“家长3”
},
{
正文:“家长4”
},
{
正文:“家长5”,
节点:[
{
案文:“儿童5”,
节点:[
{
正文:“孙女4”
},
{
正文:“孙女5”
}
]
},
{
案文:“儿童2”
}
]
},
{
正文:“家长6”,
节点:[
{
案文:“儿童6”,
节点:[
{
正文:“孙女8”
},
{
正文:“孙女9”
}
]
},
{
案文:“儿童10”
}
]
}
]
}];
函数getTree(){
//一些用于检索或生成树结构的逻辑
返回树1;
}
变量$searchableTree=$(“#treeview可搜索”).treeview({
数据:getTree(),
});
变量搜索=函数(e){
var模式=$(“#输入搜索”).val();
变量选项={
ignoreCase:$(“#chk忽略大小写”)。是(“:选中”),
exactMatch:$(“#chk精确匹配”)。是(“:选中”),
revealResults:$(“#chk显示结果”)。是(“:选中”)
};
var results=$searchableTree.treeview('search',[pattern,options]);
var输出=“”+results.length+”找到匹配项”;
$.each(结果、函数(索引、结果){
输出+='-'+result.text+'';
});
$('#搜索输出').html(输出);
}
$(“#btn搜索”)。在('click',search')上;
$(“#输入搜索”)。在('keyup',search')上;
$(“#btn清除搜索”)。在('click',函数(e)上{
$searchableTree.treeview('clearSearch');
$('#输入搜索').val('');
$('#搜索输出').html('');
});
这是我做的供参考的小提琴假设树存在于固定高度引导模式中,是否可以自动滚动到第一个匹配?我最近开始使用引导树视图,并提出了相同的问题 解决方案: 我们可以使用scrollIntoView()函数。 Bootstrap treeview已经有一个突出显示值的搜索选项,您可以扩展它 我使用了,而不是过滤它向下滚动到正在搜索的值 代码参考: HTML:
搜寻
清楚的
树
Javascript:
var tree1 =[ {
text:"GrandParent",
nodes:[
{
text: "Parent 1",
},
{
text: "Parent 2"
},
{
text: "Parent 3"
},
{
text: "Parent 4"
},
{
text: "Parent 5",
nodes: [
{
text: "Child 5",
nodes: [
{
text: "Grandchild 4"
},
{
text: "Grandchild 5"
}
]
},
{
text: "Child 2"
}
]
},
{
text: "Parent 6",
nodes: [
{
text: "Child 6",
nodes: [
{
text: "Grandchild 8"
},
{
text: "Grandchild 9"
}
]
},
{
text: "Child 10"
}
]
}
]
}];
function getTree() {
// Some logic to retrieve, or generate tree structure
return tree1;
}
var $searchableTree = $('#treeview-searchable').treeview({
data: getTree(),
});
var search = function(e) {
var pattern = $('#input-search').val();
var options = {
ignoreCase: $('#chk-ignore-case').is(':checked'),
exactMatch: $('#chk-exact-match').is(':checked'),
revealResults: $('#chk-reveal-results').is(':checked')
};
var results = $searchableTree.treeview('search', [ pattern, options ]);
var output = '<p>' + results.length + ' matches found</p>';
$.each(results, function (index, result) {
output += '<p>- ' + result.text + '</p>';
});
$('#search-output').html(output);
}
$('#btn-search').on('click', search);
$('#input-search').on('keyup', search);
$('#btn-clear-search').on('click', function (e) {
$searchableTree.treeview('clearSearch');
$('#input-search').val('');
$('#search-output').html('');
});
var myTree = [{
text: "Parent1",
nodes: [{
text: "Child11",
nodes: [{
text: "GrandChild111"
}, {
text: "GrandChild112"
}]
}, {
text: "Child12"
}]
}, {
text: "Parent2",
nodes: [{
text: "Child21"
}, {
text: "Child22"
}]
}, {
text: "Parent3",
nodes: [{
text: "Child31"
}, {
text: "Child32"
}, {
text: "Child33"
}]
}, {
text: "Parent4"
}, {
text: "Parent5",
nodes: [{
text: "Child51"
}, {
text: "Child52"
}, {
text: "Child33"
}]
}, {
text: "Parent6"
}, {
text: "Parent7",
nodes: [{
text: "Child71",
nodes: [{
text: "GrandChild711"
}, {
text: "GrandChild712"
}]
}, {
text: "Child72",
nodes: [{
text: "GrandChild711"
}, {
text: "GrandChild712"
}]
}]
}, {
text: "Parent8"
}, {
text: "Parent9",
nodes: [{
text: "Child91"
}, {
text: "Child92"
}]
}, {
text: "Parent10"
}];
function getTree() {
// Some logic to retrieve, or generate tree structure
return myTree;
}
$('#tree').bind('mousewheel', function(e) {
$(this).scrollTop($(this).scrollTop() - e.originalEvent.wheelDeltaY);
return false;
});
var $searchableTree = $('#tree').treeview({
data: getTree(),
levels: 1
});
var search = function(e) {
var input, filter, div, ul, li, a, i;
var pattern = $('#input-search').val();
var options = {
ignoreCase: true,
exactMatch: false,
revealResults: true,
};
$searchableTree.treeview('search', [pattern, options]);
//Scrolling to the element that is searched
input = document.getElementById("input-search");
filter = input.value.toUpperCase();
div = document.getElementById("tree");
li = div.getElementsByTagName("li");
for (i = 0; i < li.length; i++) {
a = li[i];
if (a.innerHTML.toUpperCase().indexOf(filter) > -1) {
li[i].scrollIntoView(false)[0];
}
}
}
$('#btn-search').on('click', search);
$('#btn-clear-search').on('click', function(e) {
$searchableTree.treeview('clearSearch');
$('#input-search').val('');
$('#search-output').html('');
});
var myTree=[{
正文:“家长1”,
节点:[{
案文:“儿童11”,
节点:[{
案文:“111”
}, {
案文:“112”
}]
}, {
案文:“儿童12”
}]
}, {
正文:“父母2”,
节点:[{
案文:“儿童21”
}, {
案文:“儿童22”
}]
}, {
正文:“家长3”,
节点:[{
案文:“儿童31”
}, {
案文:“儿童32”
}, {
案文:“儿童33”
}]
}, {
正文:“父母4”
}, {
正文:“家长5”,
节点:[{
案文:“儿童51”
}, {
案文:“儿童52”
}, {
案文:“儿童33”
}]
}, {
正文:“家长6”
}, {
正文:“父母7”,
节点:[{
文本:“Child71”,
节点:[{
案文:“711”
}, {
案文:“712”
}]
}, {
案文:“儿童72”,
节点:[{
案文:“711”
}, {
案文:“712”
}]
}]
}, {
正文:“父母8”
}, {
正文:“父母9”,
节点:[{
案文:“儿童91”
}, {
案文:“儿童92”
}]
}, {
正文:“父母10”
}];
函数getTree(){
//一些用于检索或生成树结构的逻辑
返回我的树;
}
$(“#树”).bind('mousewheel',函数(e){
$(this.scrollTop($(this.scrollTop()-e.originalEvent.wheelDeltaY);
返回false;
});
var$searchableTree=$(“#tree”).treeview({
数据:getTree(),
级别:1
});
变量搜索=函数(e){
无功输入、滤波器、div、ul、li、a、i;
var模式=$(“#输入搜索”).val();
变量选项={
ignoreCase:是的,
精确匹配:错误,
结果显示:正确,
};
$searchableTree.treeview('search',[pattern,options]);
//滚动到要搜索的元素
输入=document.getElementById(“输入搜索”);
filter=input.value.toUpperCase();
div=document.getElementById(“树”);
li=div.getElementsByTagName(“li”);
对于(i=0;i-1){
李[i].scrollIntoView(false)[0];
}
}
}
$(“#btn搜索”)。在('click',search')上;
$(“#btn清除搜索”)。在('click',函数(e)上{
$searchableTree.treeview('clearSearch');
$('#输入搜索').val('');
$('#搜索输出').html('');
});
这部分代码过滤并滚动到匹配的值:
input = document.getElementById("input-search");
filter = input.value.toUpperCase();
div = document.getElementById("tree");
li = div.getElementsByTagName("li");
for (i = 0; i < li.length; i++) {
a = li[i];
if (a.innerHTML.toUpperCase().indexOf(filter) > -1) {
li[i].scrollIntoView(false)[0];
}
}
input=document.getElementById(“输入搜索”);
filter=input.value.toUpperCase();
div=document.getElementById(“树”);
li=div.getElementsByTagName(“li”);
对于(i=0;i-1){
李[i].scrollIntoView(false)[0];
}
}
我在这行的末尾加了零,这样它就会滚动到列表中的第一个匹配项
李[i].scrollIntoView(false)[0]
这里有一个到演示的链接-I