literyzjs-treeview/build/bbtreeview.min.js

/**
 * BBTreeview
 * @version v0.1.2.011 (2024/01/07 0208)
 */
class BBTreeview{constructor(a){this.Options=null;this.initialiseComponents(a)}initialiseComponents(a){this.Options=Object.assign({ID:null,ShowCheckbox:!1,ShowSelection:!0,EnablePullUp:!1,ShowIcon:!0},a)}get Container(){let a=document.getElementsByTagName("body");if(0>=a.length)return null;a=a[0].querySelectorAll(this.Options.ID);if(!(0>=a.length||(a[0].innerHTML='<ul class="bbtreeview"></ul>',a[0].querySelectorAll("ul.bbtreeview"),0>=a.length)))return a[0]}AddItem(a){a=this.getOptions(a);if(null!=
this.Find(a.ID))return!1;let b=null;if(null!=a.ParentID&&(b=this.Find(a.ParentID),null==b))return!1;b=null==b?this.Container:b.GetChildNode();if(null==b)return!1;const c=this.generateNodeHtml(a);this.appendHtml(b,c);this.Find(a.ID);return!0}Remove(a){a=this.Find(a);if(null==a)return!1;a.Remove();return!0}Clear(){this.initialiseComponents(this.Options)}CollapseAll(){this.GetAllNodes().forEach(function(a){a.Collapse()})}ExpandAll(){this.GetAllNodes().forEach(function(a){a.Expand()})}CheckAll(a){this.Options.ShowCheckbox&&
this.GetAllNodes().forEach(function(b){b.IsChecked=a})}Find(a){if(null==this.Container)console.log("BBTreeview container not found");else{a=this.Container.querySelectorAll("li[data-bbtv-id='"+a+"']");if(0>=a.length)return null;var b=new BBTreeviewNode(this);b.Load(a[0]);return b}}FindByName(a){let b=[];this.GetAllNodes().forEach(function(c){c.Name==a&&b.push(c)});return b}FindByValue(a){let b=[];this.GetAllNodes().forEach(function(c){c.Value==a&&b.push(c)});return b}GetAllNodes(){const a=this,b=a.Container.querySelectorAll("li");
if(0>=b.length)return[];let c=[];b.forEach(function(d){d=d.getAttribute("data-bbtv-id");a.isNullOrWhitespace(d)||(d=a.Find(d),null!=d&&c.push(d))});return c}GetCheckedNodes(){let a=[];this.GetAllNodes().forEach(function(b){b.Checked&&a.push(b)});return a}GetCheckedValues(){let a=[];this.GetCheckedNodes().map(function(b){a.push(b.Value)});return a}GetCheckedTags(){let a=[];this.GetCheckedNodes().map(function(b){a.push(b.Tag)});return a}GetSelectedNode(){let a=null;this.GetAllNodes().forEach(function(b){if(b.Highlighted)return a=
b,!1});return a}appendHtml(a,b){let c=document.createElement("template");c.innerHTML=b;c=c.content.firstChild;a.appendChild(c)}generateID(){return"treeviewItem"+(Math.floor(1000001*Math.random())+100).toString()}generateNodeHtml(a){var b="";this.isNullOrWhitespace(a.Tag)||(b=encodeURIComponent(JSON.stringify(a.Tag)));b='<li data-bbtv-id="'+a.ID+'" data-bbtv-value="'+a.Value+'" data-bbtv-tag="'+b+'">';b+='<div class="li">';this.Options.ShowCheckbox&&(b+='<div class="icon checkbox"></div>');this.Options.ShowIcon?
(b+='<div class="icon '+a.Icon+'"></div>',b+='<span title="'+a.Hint+'">'+a.Name+"</span>"):b+='<span class="noicon" title="'+a.Hint+'">'+a.Name+"</span>";return b+"</div><ul></ul></li>"}getNode(a){a=(this.isTag(a,"li")?a:this.parentsUntilTagName(a,"li")).getAttribute("data-bbtv-id");return this.isNullOrWhitespace(a)?null:this.Find(a)}getOptions(a){a=Object.assign({ID:null,ParentID:null,Name:"",Hint:"",Value:"",Icon:"folder",Checked:!1,Tag:null},a);null==a.ID&&(a.ID=this.generateID());null==a.Tag&&
(a.Tag="");return a}isNullOrWhitespace(a){return"undefined"==typeof a||null==a?!0:0>=a.toString().trim().length}isTag(a,b){return a.tagName.toLowerCase()==b}parentsUntilTagName(a,b){for(;"undefined"!=typeof a.parentNode;){a=a.parentNode;if("undefined"==typeof a)break;if(this.isTag(a,"ul")&&a.classList.contains("bbtreeview"))return null;if(this.isTag(a,b))break}return a}};class BBTreeviewNode{constructor(a){this.Treeview=a;this.Value=this.Label=this.Container=this.Node=this.ID=null;this.Hint=this.Name="";this.ParentID=null;this.Highlighted=this.IsChecked=!1;this.Tag=null;this.initialiseComponents()}initialiseComponents(){}get IsChecked(){return this.Treeview.Options.ShowCheckbox?this.Node.classList.contains("x"):!1}set IsChecked(a){const b=this;b.setCheckbox(b.Node,a);b.Node.querySelectorAll("li").forEach(function(d){b.setCheckbox(d,a)});let c=b.ParentNode;if(null!=
c)if(b.Treeview.Options.EnablePullUp)for(;;){const d=0<c.querySelectorAll("li.x").length;b.setCheckbox(c,d);c=b.Treeview.getNode(c);c=c.ParentNode;if(null==c)break}else{let d=0;c.querySelectorAll("li").forEach(function(e){e.classList.contains("x")||d++});b.setCheckbox(c,0>=d)}}get IsExpanded(){return this.Node.classList.contains("e")?!0:this.Node.classList.contains("c")?!1:null}get IsHighlighted(){return this.Container.classList.contains("highlighted")}get Tag(){let a=this.Node.getAttribute("data-bbtv-tag");
return this.Treeview.isNullOrWhitespace(a)?null:JSON.parse(decodeURIComponent(a))}get ParentNodeID(){const a=this.ParentNode;return null==a?null:a.getAttribute("data-bbtv-id")}get ParentNode(){return this.parentsUntilTagName(this.Node,"li")}Load(a){this.ID=a.getAttribute("data-bbtv-id");this.Node=a;this.Container=a.querySelectorAll("div.li")[0];this.Label=a.querySelectorAll("span")[0];this.Value=a.getAttribute("data-bbtv-value");this.Name=this.Label.textContent;this.Hint=this.Label.getAttribute("title");
this.ParentID=this.ParentNodeID;this.IsChecked=this.IsChecked;this.Highlighted=this.IsHighlighted;this.Tag=this.Tag;this.initialiseComponents_Events()}Collapse(){this.Node.classList.contains("e")&&(this.Node.classList.remove("e"),this.Node.classList.add("c"));this.GetChildNodes().forEach(function(a){a.classList.add("hidden")})}Expand(){this.Node.classList.contains("c")&&(this.Node.classList.remove("c"),this.Node.classList.add("e"));this.GetChildNodes().forEach(function(a){a.classList.remove("hidden")})}GetCheckbox(){if(!this.Treeview.Options.ShowCheckbox)return null;
const a=this.Node.querySelectorAll("div.icon.checkbox");return"undefined"==typeof a?null:a[0]}GetChildNode(){let a=this.Node.querySelectorAll("ul");return 0>=a.length?null:a[0]}GetChildNodes(){const a=this.GetChildNode();if(null==a)return[];let b=a.querySelectorAll("li");if(0>=b.length)return[];let c=[];b.forEach(function(d){"undefined"!=typeof d.parentNode&&d.parentNode==a&&c.push(d)});return c}Remove(){null!=this.ParentNode&&(this.ParentNode.classList.contains("e")&&this.ParentNode.classList.remove("e"),
this.ParentNode.classList.contains("c")&&this.ParentNode.classList.remove("c"));this.Node.parentNode.removeChild(this.Node)}Toggle(){switch(this.IsExpanded){case !0:this.Collapse();break;case !1:this.Expand()}}initialiseComponents_Events(){const a=this;a.Node.addEventListener("click",function(b){b.stopPropagation();b.preventDefault();!a.isTag(b.target,"li")||0>b.offsetX||16<b.offsetX||0>b.offsetY||16<b.offsetY||(b=a.Treeview.getNode(b.target),null!=b&&b.Toggle())});a.Container.addEventListener("dblclick",
function(b){b.stopPropagation();b.preventDefault();b=a.Treeview.getNode(b.target);null!=b&&b.Toggle()});a.Treeview.Options.ShowCheckbox&&(a.GetCheckbox().addEventListener("mousedown",function(b){b.stopPropagation();b.preventDefault();a.IsChecked=!a.IsChecked}),a.GetCheckbox().addEventListener("click",function(b){b.stopPropagation();b.preventDefault()}),a.GetCheckbox().addEventListener("dblclick",function(b){b.stopPropagation();b.preventDefault()}));a.Container.addEventListener("mousedown",function(b){b.stopPropagation();
b.preventDefault();b=a.Treeview.getNode(b.target);null!=b&&(a.Treeview.Container.querySelectorAll("div.highlighted").forEach(function(c){c.classList.remove("highlighted")}),a.Treeview.Options.ShowSelection&&b.Container.classList.add("highlighted"))});a.invalidateCollapsible()}invalidateCollapsible(){null!=this.ParentNode&&(this.ParentNode.classList.contains("c")?this.Node.classList.add("hidden"):(this.ParentNode.classList.contains("e")||this.ParentNode.classList.add("e"),this.Node.classList.remove("hidden")))}isTag(a,
b){return a.tagName.toLowerCase()==b}parentsUntilTagName(a,b){for(;"undefined"!=typeof a.parentNode;){a=a.parentNode;if("undefined"==typeof a)break;if(this.isTag(a,"ul")&&a.classList.contains("bbtreeview"))return null;if(this.isTag(a,b))break}return a}setCheckbox(a,b){b?a.classList.contains("x")||a.classList.add("x"):a.classList.contains("x")&&a.classList.remove("x")}};