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