19 lines
7.7 KiB
JavaScript
19 lines
7.7 KiB
JavaScript
/**
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* BBTreeview
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* @version v0.1.2.044 (2024/01/09 2118)
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*/
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class BBTreeview{constructor(a){this.Options={};this.initialiseComponents(a)}initialiseComponents(a){this.Options=Object.assign({ID:null,ShowCheckbox:!1,ShowSelection:!0,EnablePullUp:!1,ShowIcon:!0},a);this.createTreeview()}get Container(){return this.getTreeview()}AddItem(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="");if(null!=this.Find(a.ID))return!1;let b=null;if(null!=a.ParentID&&
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(b=this.Find(a.ParentID),null==b))return!1;b=null==b?this.Container:b.ChildNode;const c=this.generateNodeHtml(a);this.appendHtml(b,c);this.Find(a.ID).InvalidateEvents();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.Check(a)})}Find(a){if(null==
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this.Container)console.log("BBTreeview container not found");else return a=this.Container.querySelectorAll("li[data-bbtv-id='"+a+"']"),0>=a.length?null:new BBTreeviewNode(this,a[0])}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");
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a.isNullOrWhitespace(d)||(d=a.Find(d),null!=d&&c.push(d))});return c}GetCheckedNodes(){let a=[];this.GetAllNodes().forEach(function(b){b.IsChecked&&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.IsHighlighted)return a=b,!1});return a}appendHtml(a,b){let c=document.createElement("template");
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c.innerHTML=b;c=c.content.firstChild;a.appendChild(c)}createTreeview(){let a=this.getContainer();null!=a&&(a.innerHTML='<ul class="bbtreeview"></ul>')}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>');
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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>"}getContainer(){let a=document.getElementsByTagName("body");if(!(0>=a.length||(a=a[0],a=a.querySelectorAll(this.Options.ID),0>=a.length)))return a=a[0]}getNode(a){a=(this.isTag(a,"li")?a:this.parentsUntilTagName(a,"li")).getAttribute("data-bbtv-id");return this.isNullOrWhitespace(a)?null:this.Find(a)}getTreeview(){let a=
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this.getContainer();if(null!=a&&(a=a.querySelectorAll("ul.bbtreeview"),!(0>=a.length)))return a=a[0]}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,b){this.Treeview=a;this.Node=b}get Checkbox(){if(!this.Treeview.Options.ShowCheckbox)return null;const a=this.Node.querySelectorAll("div.icon.checkbox");return"undefined"==typeof a?null:a[0]}get ChildNode(){let a=this.Node.querySelectorAll("ul");return 0>=a.length?null:a[0]}get ChildNodes(){const a=this.ChildNode;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==
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a&&c.push(d)});return c}get IsChecked(){return this.Treeview.Options.ShowCheckbox?this.Node.classList.contains("x"):!1}get Container(){return this.Node.querySelectorAll("div.li")[0]}get Hint(){return this.Label.getAttribute("title")}get ID(){return this.Node.getAttribute("data-bbtv-id")}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 Label(){return this.Node.querySelectorAll("span")[0]}get Name(){return this.Label.textContent}get ParentID(){const a=
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this.ParentNode;return null==a?null:a.getAttribute("data-bbtv-id")}get ParentNode(){return this.parentsUntilTagName(this.Node,"li")}get Tag(){let a=this.Node.getAttribute("data-bbtv-tag");return this.Treeview.isNullOrWhitespace(a)?null:JSON.parse(decodeURIComponent(a))}get Value(){return this.Node.getAttribute("data-bbtv-value")}Check(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=
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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)}}Collapse(){this.Node.classList.contains("e")&&(this.Node.classList.remove("e"),this.Node.classList.add("c"));this.ChildNodes.forEach(function(a){a.classList.add("hidden")})}Expand(){this.Node.classList.contains("c")&&(this.Node.classList.remove("c"),this.Node.classList.add("e"));
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this.ChildNodes.forEach(function(a){a.classList.remove("hidden")})}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)}InvalidateEvents(){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),
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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.Checkbox.addEventListener("mousedown",function(b){b.stopPropagation();b.preventDefault();a.Check(!a.IsChecked)}),a.Checkbox.addEventListener("click",function(b){b.stopPropagation();b.preventDefault()}),a.Checkbox.addEventListener("dblclick",function(b){b.stopPropagation();b.preventDefault()}));a.Container.addEventListener("mousedown",
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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()}Toggle(){switch(this.IsExpanded){case !0:this.Collapse();break;case !1:this.Expand()}}invalidateCollapsible(){null!=this.ParentNode&&(this.ParentNode.classList.contains("c")?this.Node.classList.add("hidden"):
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(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")}};
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