primevue
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[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primevue) [ • 13.9 kB
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import{DomHandler as e,ObjectUtils as t}from"primevue/utils";import n from"primevue/ripple";import{resolveComponent as i,resolveDirective as l,openBlock as o,createBlock as s,createVNode as d,withDirectives as c,createCommentVNode as r,resolveDynamicComponent as a,Fragment as h,createTextVNode as p,toDisplayString as u,renderList as y,vModelText as f}from"vue";var g={name:"TreeNode",emits:["node-toggle","node-click","checkbox-change"],props:{node:{type:null,default:null},expandedKeys:{type:null,default:null},selectionKeys:{type:null,default:null},selectionMode:{type:String,default:null},templates:{type:null,default:null}},nodeTouched:!1,methods:{toggle(){this.$emit("node-toggle",this.node)},onChildNodeToggle(e){this.$emit("node-toggle",e)},onClick(t){e.hasClass(t.target,"p-tree-toggler")||e.hasClass(t.target.parentElement,"p-tree-toggler")||(this.isCheckboxSelectionMode()?this.toggleCheckbox():this.$emit("node-click",{originalEvent:t,nodeTouched:this.nodeTouched,node:this.node}),this.nodeTouched=!1)},onChildNodeClick(e){this.$emit("node-click",e)},onTouchEnd(){this.nodeTouched=!0},onKeyDown(e){const t=e.target.parentElement;switch(e.which){case 40:var n=t.children[1];if(n)this.focusNode(n.children[0]);else{const e=t.nextElementSibling;if(e)this.focusNode(e);else{let e=this.findNextSiblingOfAncestor(t);e&&this.focusNode(e)}}e.preventDefault();break;case 38:if(t.previousElementSibling)this.focusNode(this.findLastVisibleDescendant(t.previousElementSibling));else{let e=this.getParentNodeElement(t);e&&this.focusNode(e)}e.preventDefault();break;case 37:case 39:this.$emit("node-toggle",this.node),e.preventDefault();break;case 13:this.onClick(e),e.preventDefault()}},toggleCheckbox(){let e=this.selectionKeys?{...this.selectionKeys}:{};const t=!this.checked;this.propagateDown(this.node,t,e),this.$emit("checkbox-change",{node:this.node,check:t,selectionKeys:e})},propagateDown(e,t,n){if(t?n[e.key]={checked:!0,partialChecked:!1}:delete n[e.key],e.children&&e.children.length)for(let i of e.children)this.propagateDown(i,t,n)},propagateUp(e){let t=e.check,n={...e.selectionKeys},i=0,l=!1;for(let e of this.node.children)n[e.key]&&n[e.key].checked?i++:n[e.key]&&n[e.key].partialChecked&&(l=!0);t&&i===this.node.children.length?n[this.node.key]={checked:!0,partialChecked:!1}:(t||delete n[this.node.key],l||i>0&&i!==this.node.children.length?n[this.node.key]={checked:!1,partialChecked:!0}:delete n[this.node.key]),this.$emit("checkbox-change",{node:e.node,check:e.check,selectionKeys:n})},onChildCheckboxChange(e){this.$emit("checkbox-change",e)},findNextSiblingOfAncestor(e){let t=this.getParentNodeElement(e);return t?t.nextElementSibling?t.nextElementSibling:this.findNextSiblingOfAncestor(t):null},findLastVisibleDescendant(e){const t=e.children[1];if(t){const e=t.children[t.children.length-1];return this.findLastVisibleDescendant(e)}return e},getParentNodeElement(t){const n=t.parentElement.parentElement;return e.hasClass(n,"p-treenode")?n:null},focusNode(e){e.children[0].focus()},isCheckboxSelectionMode(){return"checkbox"===this.selectionMode}},computed:{hasChildren(){return this.node.children&&this.node.children.length>0},expanded(){return this.expandedKeys&&!0===this.expandedKeys[this.node.key]},leaf(){return!1!==this.node.leaf&&!(this.node.children&&this.node.children.length)},selectable(){return!1!==this.node.selectable&&null!=this.selectionMode},selected(){return!(!this.selectionMode||!this.selectionKeys)&&!0===this.selectionKeys[this.node.key]},containerClass(){return["p-treenode",{"p-treenode-leaf":this.leaf}]},contentClass(){return["p-treenode-content",this.node.styleClass,{"p-treenode-selectable":this.selectable,"p-highlight":this.checkboxMode?this.checked:this.selected}]},icon(){return["p-treenode-icon",this.node.icon]},toggleIcon(){return["p-tree-toggler-icon pi pi-fw",{"pi-chevron-down":this.expanded,"pi-chevron-right":!this.expanded}]},checkboxClass(){return["p-checkbox-box",{"p-highlight":this.checked,"p-indeterminate":this.partialChecked}]},checkboxIcon(){return["p-checkbox-icon",{"pi pi-check":this.checked,"pi pi-minus":this.partialChecked}]},checkboxMode(){return"checkbox"===this.selectionMode&&!1!==this.node.selectable},checked(){return!!this.selectionKeys&&(this.selectionKeys[this.node.key]&&this.selectionKeys[this.node.key].checked)},partialChecked(){return!!this.selectionKeys&&(this.selectionKeys[this.node.key]&&this.selectionKeys[this.node.key].partialChecked)}},directives:{ripple:n}};const k={key:0,class:"p-checkbox p-component"},x={class:"p-treenode-label"},m={key:0,class:"p-treenode-children",role:"group"};g.render=function(e,t,n,f,g,b){const K=i("TreeNode",!0),C=l("ripple");return o(),s("li",{class:b.containerClass},[d("div",{class:b.contentClass,tabindex:"0",role:"treeitem","aria-expanded":b.expanded,onClick:t[2]||(t[2]=(...e)=>b.onClick&&b.onClick(...e)),onKeydown:t[3]||(t[3]=(...e)=>b.onKeyDown&&b.onKeyDown(...e)),onTouchend:t[4]||(t[4]=(...e)=>b.onTouchEnd&&b.onTouchEnd(...e)),style:n.node.style},[c(d("button",{type:"button",class:"p-tree-toggler p-link",onClick:t[1]||(t[1]=(...e)=>b.toggle&&b.toggle(...e)),tabindex:"-1"},[d("span",{class:b.toggleIcon},null,2)],512),[[C]]),b.checkboxMode?(o(),s("div",k,[d("div",{class:b.checkboxClass,role:"checkbox","aria-checked":b.checked},[d("span",{class:b.checkboxIcon},null,2)],10,["aria-checked"])])):r("",!0),d("span",{class:b.icon},null,2),d("span",x,[n.templates[n.node.type]||n.templates.default?(o(),s(a(n.templates[n.node.type]||n.templates.default),{key:0,node:n.node},null,8,["node"])):(o(),s(h,{key:1},[p(u(n.node.label),1)],64))])],46,["aria-expanded"]),b.hasChildren&&b.expanded?(o(),s("ul",m,[(o(!0),s(h,null,y(n.node.children,(e=>(o(),s(K,{key:e.key,node:e,templates:n.templates,expandedKeys:n.expandedKeys,onNodeToggle:b.onChildNodeToggle,onNodeClick:b.onChildNodeClick,selectionMode:n.selectionMode,selectionKeys:n.selectionKeys,onCheckboxChange:b.propagateUp},null,8,["node","templates","expandedKeys","onNodeToggle","onNodeClick","selectionMode","selectionKeys","onCheckboxChange"])))),128))])):r("",!0)],2)};var b={name:"Tree",emits:["node-expand","node-collapse","update:expandedKeys","update:selectionKeys","node-select","node-unselect"],props:{value:{type:null,default:null},expandedKeys:{type:null,default:null},selectionKeys:{type:null,default:null},selectionMode:{type:String,default:null},metaKeySelection:{type:Boolean,default:!0},loading:{type:Boolean,default:!1},loadingIcon:{type:String,default:"pi pi-spinner"},filter:{type:Boolean,default:!1},filterBy:{type:String,default:"label"},filterMode:{type:String,default:"lenient"},filterPlaceholder:{type:String,default:null},filterLocale:{type:String,default:void 0},scrollHeight:{type:String,default:null}},data(){return{d_expandedKeys:this.expandedKeys||{},filterValue:null}},watch:{expandedKeys(e){this.d_expandedKeys=e}},methods:{onNodeToggle(e){const t=e.key;this.d_expandedKeys[t]?(delete this.d_expandedKeys[t],this.$emit("node-collapse",e)):(this.d_expandedKeys[t]=!0,this.$emit("node-expand",e)),this.d_expandedKeys={...this.d_expandedKeys},this.$emit("update:expandedKeys",this.d_expandedKeys)},onNodeClick(e){if(null!=this.selectionMode&&!1!==e.node.selectable){const t=!e.nodeTouched&&this.metaKeySelection?this.handleSelectionWithMetaKey(e):this.handleSelectionWithoutMetaKey(e);this.$emit("update:selectionKeys",t)}},onCheckboxChange(e){this.$emit("update:selectionKeys",e.selectionKeys),e.check?this.$emit("node-select",e.node):this.$emit("node-unselect",e.node)},handleSelectionWithMetaKey(e){const t=e.originalEvent,n=e.node,i=t.metaKey||t.ctrlKey;let l;return this.isNodeSelected(n)&&i?(this.isSingleSelectionMode()?l={}:(l={...this.selectionKeys},delete l[n.key]),this.$emit("node-unselect",n)):(this.isSingleSelectionMode()?l={}:this.isMultipleSelectionMode()&&(l=i&&this.selectionKeys?{...this.selectionKeys}:{}),l[n.key]=!0,this.$emit("node-select",n)),l},handleSelectionWithoutMetaKey(e){const t=e.node,n=this.isNodeSelected(t);let i;return this.isSingleSelectionMode()?n?(i={},this.$emit("node-unselect",t)):(i={},i[t.key]=!0,this.$emit("node-select",t)):n?(i={...this.selectionKeys},delete i[t.key],this.$emit("node-unselect",t)):(i=this.selectionKeys?{...this.selectionKeys}:{},i[t.key]=!0,this.$emit("node-select",t)),i},isSingleSelectionMode(){return"single"===this.selectionMode},isMultipleSelectionMode(){return"multiple"===this.selectionMode},isNodeSelected(e){return!(!this.selectionMode||!this.selectionKeys)&&!0===this.selectionKeys[e.key]},isChecked(e){return!!this.selectionKeys&&(this.selectionKeys[e.key]&&this.selectionKeys[e.key].checked)},isNodeLeaf:e=>!1!==e.leaf&&!(e.children&&e.children.length),onFilterKeydown(e){13===e.which&&e.preventDefault()},findFilteredNodes(e,t){if(e){let n=!1;if(e.children){let i=[...e.children];e.children=[];for(let l of i){let i={...l};this.isFilterMatched(i,t)&&(n=!0,e.children.push(i))}}if(n)return!0}},isFilterMatched(e,{searchFields:n,filterText:i,strict:l}){let o=!1;for(let l of n){String(t.resolveFieldData(e,l)).toLocaleLowerCase(this.filterLocale).indexOf(i)>-1&&(o=!0)}return(!o||l&&!this.isNodeLeaf(e))&&(o=this.findFilteredNodes(e,{searchFields:n,filterText:i,strict:l})||o),o}},computed:{containerClass(){return["p-tree p-component",{"p-tree-selectable":null!=this.selectionMode,"p-tree-loading":this.loading,"p-tree-flex-scrollable":"flex"===this.scrollHeight}]},loadingIconClass(){return["p-tree-loading-icon pi-spin",this.loadingIcon]},filteredValue(){let e=[];const t=this.filterBy.split(","),n=this.filterValue.trim().toLocaleLowerCase(this.filterLocale),i="strict"===this.filterMode;for(let l of this.value){let o={...l},s={searchFields:t,filterText:n,strict:i};(i&&(this.findFilteredNodes(o,s)||this.isFilterMatched(o,s))||!i&&(this.isFilterMatched(o,s)||this.findFilteredNodes(o,s)))&&e.push(o)}return e},valueToRender(){return this.filterValue&&this.filterValue.trim().length>0?this.filteredValue:this.value}},components:{TreeNode:g}};const K={key:0,class:"p-tree-loading-overlay p-component-overlay"},C={key:1,class:"p-tree-filter-container"},v=d("span",{class:"p-tree-filter-icon pi pi-search"},null,-1),N={class:"p-tree-container",role:"tree"};!function(e,t){void 0===t&&(t={});var n=t.insertAt;if(e&&"undefined"!=typeof document){var i=document.head||document.getElementsByTagName("head")[0],l=document.createElement("style");l.type="text/css","top"===n&&i.firstChild?i.insertBefore(l,i.firstChild):i.appendChild(l),l.styleSheet?l.styleSheet.cssText=e:l.appendChild(document.createTextNode(e))}}("\n.p-tree-container {\n margin: 0;\n padding: 0;\n list-style-type: none;\n overflow: auto;\n}\n.p-treenode-children {\n margin: 0;\n padding: 0;\n list-style-type: none;\n}\n.p-tree-wrapper {\n overflow: auto;\n}\n.p-treenode-selectable {\n cursor: pointer;\n -webkit-user-select: none;\n -moz-user-select: none;\n -ms-user-select: none;\n user-select: none;\n}\n.p-tree-toggler {\n cursor: pointer;\n -webkit-user-select: none;\n -moz-user-select: none;\n -ms-user-select: none;\n user-select: none;\n display: -webkit-inline-box;\n display: -ms-inline-flexbox;\n display: inline-flex;\n -webkit-box-align: center;\n -ms-flex-align: center;\n align-items: center;\n -webkit-box-pack: center;\n -ms-flex-pack: center;\n justify-content: center;\n overflow: hidden;\n position: relative;\n}\n.p-treenode-leaf > .p-treenode-content .p-tree-toggler {\n visibility: hidden;\n}\n.p-treenode-content {\n display: -webkit-box;\n display: -ms-flexbox;\n display: flex;\n -webkit-box-align: center;\n -ms-flex-align: center;\n align-items: center;\n}\n.p-tree-filter {\n width: 100%;\n}\n.p-tree-filter-container {\n position: relative;\n display: block;\n width: 100%;\n}\n.p-tree-filter-icon {\n position: absolute;\n top: 50%;\n margin-top: -.5rem;\n}\n.p-tree-loading {\n position: relative;\n min-height: 4rem;\n}\n.p-tree .p-tree-loading-overlay {\n position: absolute;\n z-index: 1;\n display: -webkit-box;\n display: -ms-flexbox;\n display: flex;\n -webkit-box-align: center;\n -ms-flex-align: center;\n align-items: center;\n -webkit-box-pack: center;\n -ms-flex-pack: center;\n justify-content: center;\n}\n.p-tree-flex-scrollable {\n display: -webkit-box;\n display: -ms-flexbox;\n display: flex;\n -webkit-box-flex: 1;\n -ms-flex: 1;\n flex: 1;\n height: 100%;\n -webkit-box-orient: vertical;\n -webkit-box-direction: normal;\n -ms-flex-direction: column;\n flex-direction: column;\n}\n.p-tree-flex-scrollable .p-tree-wrapper {\n -webkit-box-flex: 1;\n -ms-flex: 1;\n flex: 1;\n}\n"),b.render=function(e,t,n,l,a,p){const u=i("TreeNode");return o(),s("div",{class:p.containerClass},[n.loading?(o(),s("div",K,[d("i",{class:p.loadingIconClass},null,2)])):r("",!0),n.filter?(o(),s("div",C,[c(d("input",{type:"text",autocomplete:"off",class:"p-tree-filter p-inputtext p-component",placeholder:n.filterPlaceholder,onKeydown:t[1]||(t[1]=(...e)=>p.onFilterKeydown&&p.onFilterKeydown(...e)),"onUpdate:modelValue":t[2]||(t[2]=e=>a.filterValue=e)},null,40,["placeholder"]),[[f,a.filterValue]]),v])):r("",!0),d("div",{class:"p-tree-wrapper",style:{maxHeight:n.scrollHeight}},[d("ul",N,[(o(!0),s(h,null,y(p.valueToRender,(t=>(o(),s(u,{key:t.key,node:t,templates:e.$slots,expandedKeys:a.d_expandedKeys,onNodeToggle:p.onNodeToggle,onNodeClick:p.onNodeClick,selectionMode:n.selectionMode,selectionKeys:n.selectionKeys,onCheckboxChange:p.onCheckboxChange},null,8,["node","templates","expandedKeys","onNodeToggle","onNodeClick","selectionMode","selectionKeys","onCheckboxChange"])))),128))])],4)],2)};export default b;