source: trip-planner-front/node_modules/primeng/fesm2015/primeng-tree.mjs@ 571e0df

Last change on this file since 571e0df was 59329aa, checked in by Ema <ema_spirova@…>, 3 years ago

adding photos
  • Property mode set to 100644
File size: 136.3 KB
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1import * as i0 from '@angular/core';
2import { forwardRef, Component, ViewEncapsulation, Inject, Input, EventEmitter, ChangeDetectionStrategy, Optional, Output, ContentChildren, ViewChild, NgModule } from '@angular/core';
3import * as i4 from '@angular/cdk/scrolling';
4import { CdkVirtualScrollViewport, ScrollingModule } from '@angular/cdk/scrolling';
5import * as i1 from '@angular/common';
6import { CommonModule } from '@angular/common';
7import * as i3 from 'primeng/api';
8import { TranslationKeys, PrimeTemplate, SharedModule } from 'primeng/api';
9import { ObjectUtils } from 'primeng/utils';
10import { DomHandler } from 'primeng/dom';
11import * as i2 from 'primeng/ripple';
12import { RippleModule } from 'primeng/ripple';
13
14class UITreeNode {
15 constructor(tree) {
16 this.tree = tree;
17 }
18 ngOnInit() {
19 this.node.parent = this.parentNode;
20 if (this.parentNode) {
21 this.tree.syncNodeOption(this.node, this.tree.value, 'parent', this.tree.getNodeWithKey(this.parentNode.key, this.tree.value));
22 }
23 }
24 getIcon() {
25 let icon;
26 if (this.node.icon)
27 icon = this.node.icon;
28 else
29 icon = this.node.expanded && this.node.children && this.node.children.length ? this.node.expandedIcon : this.node.collapsedIcon;
30 return UITreeNode.ICON_CLASS + ' ' + icon;
31 }
32 isLeaf() {
33 return this.tree.isNodeLeaf(this.node);
34 }
35 toggle(event) {
36 if (this.node.expanded)
37 this.collapse(event);
38 else
39 this.expand(event);
40 }
41 expand(event) {
42 this.node.expanded = true;
43 if (this.tree.virtualScroll) {
44 this.tree.updateSerializedValue();
45 }
46 this.tree.onNodeExpand.emit({ originalEvent: event, node: this.node });
47 }
48 collapse(event) {
49 this.node.expanded = false;
50 if (this.tree.virtualScroll) {
51 this.tree.updateSerializedValue();
52 }
53 this.tree.onNodeCollapse.emit({ originalEvent: event, node: this.node });
54 }
55 onNodeClick(event) {
56 this.tree.onNodeClick(event, this.node);
57 }
58 onNodeKeydown(event) {
59 if (event.which === 13) {
60 this.tree.onNodeClick(event, this.node);
61 }
62 }
63 onNodeTouchEnd() {
64 this.tree.onNodeTouchEnd();
65 }
66 onNodeRightClick(event) {
67 this.tree.onNodeRightClick(event, this.node);
68 }
69 isSelected() {
70 return this.tree.isSelected(this.node);
71 }
72 onDropPoint(event, position) {
73 event.preventDefault();
74 let dragNode = this.tree.dragNode;
75 let dragNodeIndex = this.tree.dragNodeIndex;
76 let dragNodeScope = this.tree.dragNodeScope;
77 let isValidDropPointIndex = this.tree.dragNodeTree === this.tree ? (position === 1 || dragNodeIndex !== this.index - 1) : true;
78 if (this.tree.allowDrop(dragNode, this.node, dragNodeScope) && isValidDropPointIndex) {
79 let dropParams = Object.assign({}, this.createDropPointEventMetadata(position));
80 if (this.tree.validateDrop) {
81 this.tree.onNodeDrop.emit({
82 originalEvent: event,
83 dragNode: dragNode,
84 dropNode: this.node,
85 index: this.index,
86 accept: () => {
87 this.processPointDrop(dropParams);
88 }
89 });
90 }
91 else {
92 this.processPointDrop(dropParams);
93 this.tree.onNodeDrop.emit({
94 originalEvent: event,
95 dragNode: dragNode,
96 dropNode: this.node,
97 index: this.index
98 });
99 }
100 }
101 this.draghoverPrev = false;
102 this.draghoverNext = false;
103 }
104 processPointDrop(event) {
105 let newNodeList = event.dropNode.parent ? event.dropNode.parent.children : this.tree.value;
106 event.dragNodeSubNodes.splice(event.dragNodeIndex, 1);
107 let dropIndex = this.index;
108 if (event.position < 0) {
109 dropIndex = (event.dragNodeSubNodes === newNodeList) ? ((event.dragNodeIndex > event.index) ? event.index : event.index - 1) : event.index;
110 newNodeList.splice(dropIndex, 0, event.dragNode);
111 }
112 else {
113 dropIndex = newNodeList.length;
114 newNodeList.push(event.dragNode);
115 }
116 this.tree.dragDropService.stopDrag({
117 node: event.dragNode,
118 subNodes: event.dropNode.parent ? event.dropNode.parent.children : this.tree.value,
119 index: event.dragNodeIndex
120 });
121 }
122 createDropPointEventMetadata(position) {
123 return {
124 dragNode: this.tree.dragNode,
125 dragNodeIndex: this.tree.dragNodeIndex,
126 dragNodeSubNodes: this.tree.dragNodeSubNodes,
127 dropNode: this.node,
128 index: this.index,
129 position: position
130 };
131 }
132 onDropPointDragOver(event) {
133 event.dataTransfer.dropEffect = 'move';
134 event.preventDefault();
135 }
136 onDropPointDragEnter(event, position) {
137 if (this.tree.allowDrop(this.tree.dragNode, this.node, this.tree.dragNodeScope)) {
138 if (position < 0)
139 this.draghoverPrev = true;
140 else
141 this.draghoverNext = true;
142 }
143 }
144 onDropPointDragLeave(event) {
145 this.draghoverPrev = false;
146 this.draghoverNext = false;
147 }
148 onDragStart(event) {
149 if (this.tree.draggableNodes && this.node.draggable !== false) {
150 event.dataTransfer.setData("text", "data");
151 this.tree.dragDropService.startDrag({
152 tree: this,
153 node: this.node,
154 subNodes: this.node.parent ? this.node.parent.children : this.tree.value,
155 index: this.index,
156 scope: this.tree.draggableScope
157 });
158 }
159 else {
160 event.preventDefault();
161 }
162 }
163 onDragStop(event) {
164 this.tree.dragDropService.stopDrag({
165 node: this.node,
166 subNodes: this.node.parent ? this.node.parent.children : this.tree.value,
167 index: this.index
168 });
169 }
170 onDropNodeDragOver(event) {
171 event.dataTransfer.dropEffect = 'move';
172 if (this.tree.droppableNodes) {
173 event.preventDefault();
174 event.stopPropagation();
175 }
176 }
177 onDropNode(event) {
178 if (this.tree.droppableNodes && this.node.droppable !== false) {
179 let dragNode = this.tree.dragNode;
180 if (this.tree.allowDrop(dragNode, this.node, this.tree.dragNodeScope)) {
181 let dropParams = Object.assign({}, this.createDropNodeEventMetadata());
182 if (this.tree.validateDrop) {
183 this.tree.onNodeDrop.emit({
184 originalEvent: event,
185 dragNode: dragNode,
186 dropNode: this.node,
187 index: this.index,
188 accept: () => {
189 this.processNodeDrop(dropParams);
190 }
191 });
192 }
193 else {
194 this.processNodeDrop(dropParams);
195 this.tree.onNodeDrop.emit({
196 originalEvent: event,
197 dragNode: dragNode,
198 dropNode: this.node,
199 index: this.index
200 });
201 }
202 }
203 }
204 event.preventDefault();
205 event.stopPropagation();
206 this.draghoverNode = false;
207 }
208 createDropNodeEventMetadata() {
209 return {
210 dragNode: this.tree.dragNode,
211 dragNodeIndex: this.tree.dragNodeIndex,
212 dragNodeSubNodes: this.tree.dragNodeSubNodes,
213 dropNode: this.node
214 };
215 }
216 processNodeDrop(event) {
217 let dragNodeIndex = event.dragNodeIndex;
218 event.dragNodeSubNodes.splice(dragNodeIndex, 1);
219 if (event.dropNode.children)
220 event.dropNode.children.push(event.dragNode);
221 else
222 event.dropNode.children = [event.dragNode];
223 this.tree.dragDropService.stopDrag({
224 node: event.dragNode,
225 subNodes: event.dropNode.parent ? event.dropNode.parent.children : this.tree.value,
226 index: dragNodeIndex
227 });
228 }
229 onDropNodeDragEnter(event) {
230 if (this.tree.droppableNodes && this.node.droppable !== false && this.tree.allowDrop(this.tree.dragNode, this.node, this.tree.dragNodeScope)) {
231 this.draghoverNode = true;
232 }
233 }
234 onDropNodeDragLeave(event) {
235 if (this.tree.droppableNodes) {
236 let rect = event.currentTarget.getBoundingClientRect();
237 if (event.x > rect.left + rect.width || event.x < rect.left || event.y >= Math.floor(rect.top + rect.height) || event.y < rect.top) {
238 this.draghoverNode = false;
239 }
240 }
241 }
242 onKeyDown(event) {
243 const nodeElement = event.target.parentElement.parentElement;
244 if (nodeElement.nodeName !== 'P-TREENODE' || (this.tree.contextMenu && this.tree.contextMenu.containerViewChild.nativeElement.style.display === 'block')) {
245 return;
246 }
247 switch (event.which) {
248 //down arrow
249 case 40:
250 const listElement = (this.tree.droppableNodes) ? nodeElement.children[1].children[1] : nodeElement.children[0].children[1];
251 if (listElement && listElement.children.length > 0) {
252 this.focusNode(listElement.children[0]);
253 }
254 else {
255 const nextNodeElement = nodeElement.nextElementSibling;
256 if (nextNodeElement) {
257 this.focusNode(nextNodeElement);
258 }
259 else {
260 let nextSiblingAncestor = this.findNextSiblingOfAncestor(nodeElement);
261 if (nextSiblingAncestor) {
262 this.focusNode(nextSiblingAncestor);
263 }
264 }
265 }
266 event.preventDefault();
267 break;
268 //up arrow
269 case 38:
270 if (nodeElement.previousElementSibling) {
271 this.focusNode(this.findLastVisibleDescendant(nodeElement.previousElementSibling));
272 }
273 else {
274 let parentNodeElement = this.getParentNodeElement(nodeElement);
275 if (parentNodeElement) {
276 this.focusNode(parentNodeElement);
277 }
278 }
279 event.preventDefault();
280 break;
281 //right arrow
282 case 39:
283 if (!this.node.expanded && !this.tree.isNodeLeaf(this.node)) {
284 this.expand(event);
285 }
286 event.preventDefault();
287 break;
288 //left arrow
289 case 37:
290 if (this.node.expanded) {
291 this.collapse(event);
292 }
293 else {
294 let parentNodeElement = this.getParentNodeElement(nodeElement);
295 if (parentNodeElement) {
296 this.focusNode(parentNodeElement);
297 }
298 }
299 event.preventDefault();
300 break;
301 //enter
302 case 13:
303 this.tree.onNodeClick(event, this.node);
304 event.preventDefault();
305 break;
306 default:
307 //no op
308 break;
309 }
310 }
311 findNextSiblingOfAncestor(nodeElement) {
312 let parentNodeElement = this.getParentNodeElement(nodeElement);
313 if (parentNodeElement) {
314 if (parentNodeElement.nextElementSibling)
315 return parentNodeElement.nextElementSibling;
316 else
317 return this.findNextSiblingOfAncestor(parentNodeElement);
318 }
319 else {
320 return null;
321 }
322 }
323 findLastVisibleDescendant(nodeElement) {
324 const listElement = Array.from(nodeElement.children).find(el => DomHandler.hasClass(el, 'p-treenode'));
325 const childrenListElement = listElement.children[1];
326 if (childrenListElement && childrenListElement.children.length > 0) {
327 const lastChildElement = childrenListElement.children[childrenListElement.children.length - 1];
328 return this.findLastVisibleDescendant(lastChildElement);
329 }
330 else {
331 return nodeElement;
332 }
333 }
334 getParentNodeElement(nodeElement) {
335 const parentNodeElement = nodeElement.parentElement.parentElement.parentElement;
336 return parentNodeElement.tagName === 'P-TREENODE' ? parentNodeElement : null;
337 }
338 focusNode(element) {
339 if (this.tree.droppableNodes)
340 element.children[1].children[0].focus();
341 else
342 element.children[0].children[0].focus();
343 }
344}
345UITreeNode.ICON_CLASS = 'p-treenode-icon ';
346UITreeNode.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: UITreeNode, deps: [{ token: forwardRef(() => Tree) }], target: i0.ɵɵFactoryTarget.Component });
347UITreeNode.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "13.0.0", type: UITreeNode, selector: "p-treeNode", inputs: { rowNode: "rowNode", node: "node", parentNode: "parentNode", root: "root", index: "index", firstChild: "firstChild", lastChild: "lastChild", level: "level", indentation: "indentation" }, host: { classAttribute: "p-element" }, ngImport: i0, template: `
348 <ng-template [ngIf]="node">
349 <li *ngIf="tree.droppableNodes" class="p-treenode-droppoint" [ngClass]="{'p-treenode-droppoint-active':draghoverPrev}"
350 (drop)="onDropPoint($event,-1)" (dragover)="onDropPointDragOver($event)" (dragenter)="onDropPointDragEnter($event,-1)" (dragleave)="onDropPointDragLeave($event)"></li>
351 <li *ngIf="!tree.horizontal" [ngClass]="['p-treenode',node.styleClass||'', isLeaf() ? 'p-treenode-leaf': '']">
352 <div class="p-treenode-content" [style.paddingLeft]="(level * indentation) + 'rem'" (click)="onNodeClick($event)" (contextmenu)="onNodeRightClick($event)" (touchend)="onNodeTouchEnd()"
353 (drop)="onDropNode($event)" (dragover)="onDropNodeDragOver($event)" (dragenter)="onDropNodeDragEnter($event)" (dragleave)="onDropNodeDragLeave($event)"
354 [draggable]="tree.draggableNodes" (dragstart)="onDragStart($event)" (dragend)="onDragStop($event)" [attr.tabindex]="0"
355 [ngClass]="{'p-treenode-selectable':tree.selectionMode && node.selectable !== false,'p-treenode-dragover':draghoverNode, 'p-highlight':isSelected()}" role="treeitem"
356 (keydown)="onKeyDown($event)" [attr.aria-posinset]="this.index + 1" [attr.aria-expanded]="this.node.expanded" [attr.aria-selected]="isSelected()" [attr.aria-label]="node.label">
357 <button type="button" [attr.aria-label]="tree.togglerAriaLabel" class="p-tree-toggler p-link" (click)="toggle($event)" pRipple tabindex="-1">
358 <span class="p-tree-toggler-icon pi pi-fw" [ngClass]="{'pi-chevron-right':!node.expanded,'pi-chevron-down':node.expanded}"></span>
359 </button>
360 <div class="p-checkbox p-component" [ngClass]="{'p-checkbox-disabled': node.selectable === false}" *ngIf="tree.selectionMode == 'checkbox'" [attr.aria-checked]="isSelected()">
361 <div class="p-checkbox-box" [ngClass]="{'p-highlight': isSelected(), 'p-indeterminate': node.partialSelected}">
362 <span class="p-checkbox-icon pi" [ngClass]="{'pi-check':isSelected(),'pi-minus':node.partialSelected}"></span>
363 </div>
364 </div>
365 <span [class]="getIcon()" *ngIf="node.icon||node.expandedIcon||node.collapsedIcon"></span>
366 <span class="p-treenode-label">
367 <span *ngIf="!tree.getTemplateForNode(node)">{{node.label}}</span>
368 <span *ngIf="tree.getTemplateForNode(node)">
369 <ng-container *ngTemplateOutlet="tree.getTemplateForNode(node); context: {$implicit: node}"></ng-container>
370 </span>
371 </span>
372 </div>
373 <ul class="p-treenode-children" style="display: none;" *ngIf="!tree.virtualScroll && node.children && node.expanded" [style.display]="node.expanded ? 'block' : 'none'" role="group">
374 <p-treeNode *ngFor="let childNode of node.children;let firstChild=first;let lastChild=last; let index=index; trackBy: tree.trackBy" [node]="childNode" [parentNode]="node"
375 [firstChild]="firstChild" [lastChild]="lastChild" [index]="index" [style.height.px]="tree.virtualNodeHeight" [level]="level + 1"></p-treeNode>
376 </ul>
377 </li>
378 <li *ngIf="tree.droppableNodes&&lastChild" class="p-treenode-droppoint" [ngClass]="{'p-treenode-droppoint-active':draghoverNext}"
379 (drop)="onDropPoint($event,1)" (dragover)="onDropPointDragOver($event)" (dragenter)="onDropPointDragEnter($event,1)" (dragleave)="onDropPointDragLeave($event)"></li>
380 <table *ngIf="tree.horizontal" [class]="node.styleClass">
381 <tbody>
382 <tr>
383 <td class="p-treenode-connector" *ngIf="!root">
384 <table class="p-treenode-connector-table">
385 <tbody>
386 <tr>
387 <td [ngClass]="{'p-treenode-connector-line':!firstChild}"></td>
388 </tr>
389 <tr>
390 <td [ngClass]="{'p-treenode-connector-line':!lastChild}"></td>
391 </tr>
392 </tbody>
393 </table>
394 </td>
395 <td class="p-treenode" [ngClass]="{'p-treenode-collapsed':!node.expanded}">
396 <div class="p-treenode-content" tabindex="0" [ngClass]="{'p-treenode-selectable':tree.selectionMode,'p-highlight':isSelected()}" (click)="onNodeClick($event)" (contextmenu)="onNodeRightClick($event)"
397 (touchend)="onNodeTouchEnd()" (keydown)="onNodeKeydown($event)">
398 <span [attr.aria-label]="tree.togglerAriaLabel" class="p-tree-toggler pi pi-fw" [ngClass]="{'pi-plus':!node.expanded,'pi-minus':node.expanded}" *ngIf="!isLeaf()" (click)="toggle($event)"></span>
399 <span [class]="getIcon()" *ngIf="node.icon||node.expandedIcon||node.collapsedIcon"></span>
400 <span class="p-treenode-label">
401 <span *ngIf="!tree.getTemplateForNode(node)">{{node.label}}</span>
402 <span *ngIf="tree.getTemplateForNode(node)">
403 <ng-container *ngTemplateOutlet="tree.getTemplateForNode(node); context: {$implicit: node}"></ng-container>
404 </span>
405 </span>
406 </div>
407 </td>
408 <td class="p-treenode-children-container" *ngIf="node.children && node.expanded" [style.display]="node.expanded ? 'table-cell' : 'none'">
409 <div class="p-treenode-children">
410 <p-treeNode *ngFor="let childNode of node.children;let firstChild=first;let lastChild=last; trackBy: tree.trackBy" [node]="childNode"
411 [firstChild]="firstChild" [lastChild]="lastChild"></p-treeNode>
412 </div>
413 </td>
414 </tr>
415 </tbody>
416 </table>
417 </ng-template>
418 `, isInline: true, components: [{ type: UITreeNode, selector: "p-treeNode", inputs: ["rowNode", "node", "parentNode", "root", "index", "firstChild", "lastChild", "level", "indentation"] }], directives: [{ type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { type: i1.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { type: i2.Ripple, selector: "[pRipple]" }, { type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet"] }, { type: i1.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }], encapsulation: i0.ViewEncapsulation.None });
419i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: UITreeNode, decorators: [{
420 type: Component,
421 args: [{
422 selector: 'p-treeNode',
423 template: `
424 <ng-template [ngIf]="node">
425 <li *ngIf="tree.droppableNodes" class="p-treenode-droppoint" [ngClass]="{'p-treenode-droppoint-active':draghoverPrev}"
426 (drop)="onDropPoint($event,-1)" (dragover)="onDropPointDragOver($event)" (dragenter)="onDropPointDragEnter($event,-1)" (dragleave)="onDropPointDragLeave($event)"></li>
427 <li *ngIf="!tree.horizontal" [ngClass]="['p-treenode',node.styleClass||'', isLeaf() ? 'p-treenode-leaf': '']">
428 <div class="p-treenode-content" [style.paddingLeft]="(level * indentation) + 'rem'" (click)="onNodeClick($event)" (contextmenu)="onNodeRightClick($event)" (touchend)="onNodeTouchEnd()"
429 (drop)="onDropNode($event)" (dragover)="onDropNodeDragOver($event)" (dragenter)="onDropNodeDragEnter($event)" (dragleave)="onDropNodeDragLeave($event)"
430 [draggable]="tree.draggableNodes" (dragstart)="onDragStart($event)" (dragend)="onDragStop($event)" [attr.tabindex]="0"
431 [ngClass]="{'p-treenode-selectable':tree.selectionMode && node.selectable !== false,'p-treenode-dragover':draghoverNode, 'p-highlight':isSelected()}" role="treeitem"
432 (keydown)="onKeyDown($event)" [attr.aria-posinset]="this.index + 1" [attr.aria-expanded]="this.node.expanded" [attr.aria-selected]="isSelected()" [attr.aria-label]="node.label">
433 <button type="button" [attr.aria-label]="tree.togglerAriaLabel" class="p-tree-toggler p-link" (click)="toggle($event)" pRipple tabindex="-1">
434 <span class="p-tree-toggler-icon pi pi-fw" [ngClass]="{'pi-chevron-right':!node.expanded,'pi-chevron-down':node.expanded}"></span>
435 </button>
436 <div class="p-checkbox p-component" [ngClass]="{'p-checkbox-disabled': node.selectable === false}" *ngIf="tree.selectionMode == 'checkbox'" [attr.aria-checked]="isSelected()">
437 <div class="p-checkbox-box" [ngClass]="{'p-highlight': isSelected(), 'p-indeterminate': node.partialSelected}">
438 <span class="p-checkbox-icon pi" [ngClass]="{'pi-check':isSelected(),'pi-minus':node.partialSelected}"></span>
439 </div>
440 </div>
441 <span [class]="getIcon()" *ngIf="node.icon||node.expandedIcon||node.collapsedIcon"></span>
442 <span class="p-treenode-label">
443 <span *ngIf="!tree.getTemplateForNode(node)">{{node.label}}</span>
444 <span *ngIf="tree.getTemplateForNode(node)">
445 <ng-container *ngTemplateOutlet="tree.getTemplateForNode(node); context: {$implicit: node}"></ng-container>
446 </span>
447 </span>
448 </div>
449 <ul class="p-treenode-children" style="display: none;" *ngIf="!tree.virtualScroll && node.children && node.expanded" [style.display]="node.expanded ? 'block' : 'none'" role="group">
450 <p-treeNode *ngFor="let childNode of node.children;let firstChild=first;let lastChild=last; let index=index; trackBy: tree.trackBy" [node]="childNode" [parentNode]="node"
451 [firstChild]="firstChild" [lastChild]="lastChild" [index]="index" [style.height.px]="tree.virtualNodeHeight" [level]="level + 1"></p-treeNode>
452 </ul>
453 </li>
454 <li *ngIf="tree.droppableNodes&&lastChild" class="p-treenode-droppoint" [ngClass]="{'p-treenode-droppoint-active':draghoverNext}"
455 (drop)="onDropPoint($event,1)" (dragover)="onDropPointDragOver($event)" (dragenter)="onDropPointDragEnter($event,1)" (dragleave)="onDropPointDragLeave($event)"></li>
456 <table *ngIf="tree.horizontal" [class]="node.styleClass">
457 <tbody>
458 <tr>
459 <td class="p-treenode-connector" *ngIf="!root">
460 <table class="p-treenode-connector-table">
461 <tbody>
462 <tr>
463 <td [ngClass]="{'p-treenode-connector-line':!firstChild}"></td>
464 </tr>
465 <tr>
466 <td [ngClass]="{'p-treenode-connector-line':!lastChild}"></td>
467 </tr>
468 </tbody>
469 </table>
470 </td>
471 <td class="p-treenode" [ngClass]="{'p-treenode-collapsed':!node.expanded}">
472 <div class="p-treenode-content" tabindex="0" [ngClass]="{'p-treenode-selectable':tree.selectionMode,'p-highlight':isSelected()}" (click)="onNodeClick($event)" (contextmenu)="onNodeRightClick($event)"
473 (touchend)="onNodeTouchEnd()" (keydown)="onNodeKeydown($event)">
474 <span [attr.aria-label]="tree.togglerAriaLabel" class="p-tree-toggler pi pi-fw" [ngClass]="{'pi-plus':!node.expanded,'pi-minus':node.expanded}" *ngIf="!isLeaf()" (click)="toggle($event)"></span>
475 <span [class]="getIcon()" *ngIf="node.icon||node.expandedIcon||node.collapsedIcon"></span>
476 <span class="p-treenode-label">
477 <span *ngIf="!tree.getTemplateForNode(node)">{{node.label}}</span>
478 <span *ngIf="tree.getTemplateForNode(node)">
479 <ng-container *ngTemplateOutlet="tree.getTemplateForNode(node); context: {$implicit: node}"></ng-container>
480 </span>
481 </span>
482 </div>
483 </td>
484 <td class="p-treenode-children-container" *ngIf="node.children && node.expanded" [style.display]="node.expanded ? 'table-cell' : 'none'">
485 <div class="p-treenode-children">
486 <p-treeNode *ngFor="let childNode of node.children;let firstChild=first;let lastChild=last; trackBy: tree.trackBy" [node]="childNode"
487 [firstChild]="firstChild" [lastChild]="lastChild"></p-treeNode>
488 </div>
489 </td>
490 </tr>
491 </tbody>
492 </table>
493 </ng-template>
494 `,
495 encapsulation: ViewEncapsulation.None,
496 host: {
497 'class': 'p-element'
498 }
499 }]
500 }], ctorParameters: function () {
501 return [{ type: undefined, decorators: [{
502 type: Inject,
503 args: [forwardRef(() => Tree)]
504 }] }];
505 }, propDecorators: { rowNode: [{
506 type: Input
507 }], node: [{
508 type: Input
509 }], parentNode: [{
510 type: Input
511 }], root: [{
512 type: Input
513 }], index: [{
514 type: Input
515 }], firstChild: [{
516 type: Input
517 }], lastChild: [{
518 type: Input
519 }], level: [{
520 type: Input
521 }], indentation: [{
522 type: Input
523 }] } });
524class Tree {
525 constructor(el, dragDropService, config) {
526 this.el = el;
527 this.dragDropService = dragDropService;
528 this.config = config;
529 this.selectionChange = new EventEmitter();
530 this.onNodeSelect = new EventEmitter();
531 this.onNodeUnselect = new EventEmitter();
532 this.onNodeExpand = new EventEmitter();
533 this.onNodeCollapse = new EventEmitter();
534 this.onNodeContextMenuSelect = new EventEmitter();
535 this.onNodeDrop = new EventEmitter();
536 this.layout = 'vertical';
537 this.metaKeySelection = true;
538 this.propagateSelectionUp = true;
539 this.propagateSelectionDown = true;
540 this.loadingIcon = 'pi pi-spinner';
541 this.emptyMessage = '';
542 this.filterBy = 'label';
543 this.filterMode = 'lenient';
544 this.indentation = 1.5;
545 this.trackBy = (index, item) => item;
546 this.onFilter = new EventEmitter();
547 }
548 ngOnInit() {
549 if (this.droppableNodes) {
550 this.dragStartSubscription = this.dragDropService.dragStart$.subscribe(event => {
551 this.dragNodeTree = event.tree;
552 this.dragNode = event.node;
553 this.dragNodeSubNodes = event.subNodes;
554 this.dragNodeIndex = event.index;
555 this.dragNodeScope = event.scope;
556 });
557 this.dragStopSubscription = this.dragDropService.dragStop$.subscribe(event => {
558 this.dragNodeTree = null;
559 this.dragNode = null;
560 this.dragNodeSubNodes = null;
561 this.dragNodeIndex = null;
562 this.dragNodeScope = null;
563 this.dragHover = false;
564 });
565 }
566 }
567 ngOnChanges(simpleChange) {
568 if (simpleChange.value) {
569 this.updateSerializedValue();
570 }
571 if (simpleChange.scrollHeight && this.virtualScrollBody) {
572 this.virtualScrollBody.ngOnInit();
573 }
574 }
575 get horizontal() {
576 return this.layout == 'horizontal';
577 }
578 get emptyMessageLabel() {
579 return this.emptyMessage || this.config.getTranslation(TranslationKeys.EMPTY_MESSAGE);
580 }
581 ngAfterContentInit() {
582 if (this.templates.length) {
583 this.templateMap = {};
584 }
585 this.templates.forEach((item) => {
586 switch (item.getType()) {
587 case 'header':
588 this.headerTemplate = item.template;
589 break;
590 case 'empty':
591 this.emptyMessageTemplate = item.template;
592 break;
593 case 'footer':
594 this.footerTemplate = item.template;
595 break;
596 default:
597 this.templateMap[item.name] = item.template;
598 break;
599 }
600 });
601 }
602 updateSerializedValue() {
603 this.serializedValue = [];
604 this.serializeNodes(null, this.getRootNode(), 0, true);
605 }
606 serializeNodes(parent, nodes, level, visible) {
607 if (nodes && nodes.length) {
608 for (let node of nodes) {
609 node.parent = parent;
610 const rowNode = {
611 node: node,
612 parent: parent,
613 level: level,
614 visible: visible && (parent ? parent.expanded : true)
615 };
616 this.serializedValue.push(rowNode);
617 if (rowNode.visible && node.expanded) {
618 this.serializeNodes(node, node.children, level + 1, rowNode.visible);
619 }
620 }
621 }
622 }
623 onNodeClick(event, node) {
624 let eventTarget = event.target;
625 if (DomHandler.hasClass(eventTarget, 'p-tree-toggler') || DomHandler.hasClass(eventTarget, 'p-tree-toggler-icon')) {
626 return;
627 }
628 else if (this.selectionMode) {
629 if (node.selectable === false) {
630 return;
631 }
632 if (this.hasFilteredNodes()) {
633 node = this.getNodeWithKey(node.key, this.value);
634 if (!node) {
635 return;
636 }
637 }
638 let index = this.findIndexInSelection(node);
639 let selected = (index >= 0);
640 if (this.isCheckboxSelectionMode()) {
641 if (selected) {
642 if (this.propagateSelectionDown)
643 this.propagateDown(node, false);
644 else
645 this.selection = this.selection.filter((val, i) => i != index);
646 if (this.propagateSelectionUp && node.parent) {
647 this.propagateUp(node.parent, false);
648 }
649 this.selectionChange.emit(this.selection);
650 this.onNodeUnselect.emit({ originalEvent: event, node: node });
651 }
652 else {
653 if (this.propagateSelectionDown)
654 this.propagateDown(node, true);
655 else
656 this.selection = [...this.selection || [], node];
657 if (this.propagateSelectionUp && node.parent) {
658 this.propagateUp(node.parent, true);
659 }
660 this.selectionChange.emit(this.selection);
661 this.onNodeSelect.emit({ originalEvent: event, node: node });
662 }
663 }
664 else {
665 let metaSelection = this.nodeTouched ? false : this.metaKeySelection;
666 if (metaSelection) {
667 let metaKey = (event.metaKey || event.ctrlKey);
668 if (selected && metaKey) {
669 if (this.isSingleSelectionMode()) {
670 this.selectionChange.emit(null);
671 }
672 else {
673 this.selection = this.selection.filter((val, i) => i != index);
674 this.selectionChange.emit(this.selection);
675 }
676 this.onNodeUnselect.emit({ originalEvent: event, node: node });
677 }
678 else {
679 if (this.isSingleSelectionMode()) {
680 this.selectionChange.emit(node);
681 }
682 else if (this.isMultipleSelectionMode()) {
683 this.selection = (!metaKey) ? [] : this.selection || [];
684 this.selection = [...this.selection, node];
685 this.selectionChange.emit(this.selection);
686 }
687 this.onNodeSelect.emit({ originalEvent: event, node: node });
688 }
689 }
690 else {
691 if (this.isSingleSelectionMode()) {
692 if (selected) {
693 this.selection = null;
694 this.onNodeUnselect.emit({ originalEvent: event, node: node });
695 }
696 else {
697 this.selection = node;
698 this.onNodeSelect.emit({ originalEvent: event, node: node });
699 }
700 }
701 else {
702 if (selected) {
703 this.selection = this.selection.filter((val, i) => i != index);
704 this.onNodeUnselect.emit({ originalEvent: event, node: node });
705 }
706 else {
707 this.selection = [...this.selection || [], node];
708 this.onNodeSelect.emit({ originalEvent: event, node: node });
709 }
710 }
711 this.selectionChange.emit(this.selection);
712 }
713 }
714 }
715 this.nodeTouched = false;
716 }
717 onNodeTouchEnd() {
718 this.nodeTouched = true;
719 }
720 onNodeRightClick(event, node) {
721 if (this.contextMenu) {
722 let eventTarget = event.target;
723 if (eventTarget.className && eventTarget.className.indexOf('p-tree-toggler') === 0) {
724 return;
725 }
726 else {
727 let index = this.findIndexInSelection(node);
728 let selected = (index >= 0);
729 if (!selected) {
730 if (this.isSingleSelectionMode())
731 this.selectionChange.emit(node);
732 else
733 this.selectionChange.emit([node]);
734 }
735 this.contextMenu.show(event);
736 this.onNodeContextMenuSelect.emit({ originalEvent: event, node: node });
737 }
738 }
739 }
740 findIndexInSelection(node) {
741 let index = -1;
742 if (this.selectionMode && this.selection) {
743 if (this.isSingleSelectionMode()) {
744 let areNodesEqual = (this.selection.key && this.selection.key === node.key) || this.selection == node;
745 index = areNodesEqual ? 0 : -1;
746 }
747 else {
748 for (let i = 0; i < this.selection.length; i++) {
749 let selectedNode = this.selection[i];
750 let areNodesEqual = (selectedNode.key && selectedNode.key === node.key) || selectedNode == node;
751 if (areNodesEqual) {
752 index = i;
753 break;
754 }
755 }
756 }
757 }
758 return index;
759 }
760 syncNodeOption(node, parentNodes, option, value) {
761 // to synchronize the node option between the filtered nodes and the original nodes(this.value)
762 const _node = this.hasFilteredNodes() ? this.getNodeWithKey(node.key, parentNodes) : null;
763 if (_node) {
764 _node[option] = value || node[option];
765 }
766 }
767 hasFilteredNodes() {
768 return this.filter && this.filteredNodes && this.filteredNodes.length;
769 }
770 getNodeWithKey(key, nodes) {
771 for (let node of nodes) {
772 if (node.key === key) {
773 return node;
774 }
775 if (node.children) {
776 let matchedNode = this.getNodeWithKey(key, node.children);
777 if (matchedNode) {
778 return matchedNode;
779 }
780 }
781 }
782 }
783 propagateUp(node, select) {
784 if (node.children && node.children.length) {
785 let selectedCount = 0;
786 let childPartialSelected = false;
787 for (let child of node.children) {
788 if (this.isSelected(child)) {
789 selectedCount++;
790 }
791 else if (child.partialSelected) {
792 childPartialSelected = true;
793 }
794 }
795 if (select && selectedCount == node.children.length) {
796 this.selection = [...this.selection || [], node];
797 node.partialSelected = false;
798 }
799 else {
800 if (!select) {
801 let index = this.findIndexInSelection(node);
802 if (index >= 0) {
803 this.selection = this.selection.filter((val, i) => i != index);
804 }
805 }
806 if (childPartialSelected || selectedCount > 0 && selectedCount != node.children.length)
807 node.partialSelected = true;
808 else
809 node.partialSelected = false;
810 }
811 this.syncNodeOption(node, this.filteredNodes, 'partialSelected');
812 }
813 let parent = node.parent;
814 if (parent) {
815 this.propagateUp(parent, select);
816 }
817 }
818 propagateDown(node, select) {
819 let index = this.findIndexInSelection(node);
820 if (select && index == -1) {
821 this.selection = [...this.selection || [], node];
822 }
823 else if (!select && index > -1) {
824 this.selection = this.selection.filter((val, i) => i != index);
825 }
826 node.partialSelected = false;
827 this.syncNodeOption(node, this.filteredNodes, 'partialSelected');
828 if (node.children && node.children.length) {
829 for (let child of node.children) {
830 this.propagateDown(child, select);
831 }
832 }
833 }
834 isSelected(node) {
835 return this.findIndexInSelection(node) != -1;
836 }
837 isSingleSelectionMode() {
838 return this.selectionMode && this.selectionMode == 'single';
839 }
840 isMultipleSelectionMode() {
841 return this.selectionMode && this.selectionMode == 'multiple';
842 }
843 isCheckboxSelectionMode() {
844 return this.selectionMode && this.selectionMode == 'checkbox';
845 }
846 isNodeLeaf(node) {
847 return node.leaf == false ? false : !(node.children && node.children.length);
848 }
849 getRootNode() {
850 return this.filteredNodes ? this.filteredNodes : this.value;
851 }
852 getTemplateForNode(node) {
853 if (this.templateMap)
854 return node.type ? this.templateMap[node.type] : this.templateMap['default'];
855 else
856 return null;
857 }
858 onDragOver(event) {
859 if (this.droppableNodes && (!this.value || this.value.length === 0)) {
860 event.dataTransfer.dropEffect = 'move';
861 event.preventDefault();
862 }
863 }
864 onDrop(event) {
865 if (this.droppableNodes && (!this.value || this.value.length === 0)) {
866 event.preventDefault();
867 let dragNode = this.dragNode;
868 if (this.allowDrop(dragNode, null, this.dragNodeScope)) {
869 let dragNodeIndex = this.dragNodeIndex;
870 this.value = this.value || [];
871 if (this.validateDrop) {
872 this.onNodeDrop.emit({
873 originalEvent: event,
874 dragNode: dragNode,
875 dropNode: null,
876 index: dragNodeIndex,
877 accept: () => {
878 this.processTreeDrop(dragNode, dragNodeIndex);
879 }
880 });
881 }
882 else {
883 this.onNodeDrop.emit({
884 originalEvent: event,
885 dragNode: dragNode,
886 dropNode: null,
887 index: dragNodeIndex
888 });
889 this.processTreeDrop(dragNode, dragNodeIndex);
890 }
891 }
892 }
893 }
894 processTreeDrop(dragNode, dragNodeIndex) {
895 this.dragNodeSubNodes.splice(dragNodeIndex, 1);
896 this.value.push(dragNode);
897 this.dragDropService.stopDrag({
898 node: dragNode
899 });
900 }
901 onDragEnter() {
902 if (this.droppableNodes && this.allowDrop(this.dragNode, null, this.dragNodeScope)) {
903 this.dragHover = true;
904 }
905 }
906 onDragLeave(event) {
907 if (this.droppableNodes) {
908 let rect = event.currentTarget.getBoundingClientRect();
909 if (event.x > rect.left + rect.width || event.x < rect.left || event.y > rect.top + rect.height || event.y < rect.top) {
910 this.dragHover = false;
911 }
912 }
913 }
914 allowDrop(dragNode, dropNode, dragNodeScope) {
915 if (!dragNode) {
916 //prevent random html elements to be dragged
917 return false;
918 }
919 else if (this.isValidDragScope(dragNodeScope)) {
920 let allow = true;
921 if (dropNode) {
922 if (dragNode === dropNode) {
923 allow = false;
924 }
925 else {
926 let parent = dropNode.parent;
927 while (parent != null) {
928 if (parent === dragNode) {
929 allow = false;
930 break;
931 }
932 parent = parent.parent;
933 }
934 }
935 }
936 return allow;
937 }
938 else {
939 return false;
940 }
941 }
942 isValidDragScope(dragScope) {
943 let dropScope = this.droppableScope;
944 if (dropScope) {
945 if (typeof dropScope === 'string') {
946 if (typeof dragScope === 'string')
947 return dropScope === dragScope;
948 else if (dragScope instanceof Array)
949 return dragScope.indexOf(dropScope) != -1;
950 }
951 else if (dropScope instanceof Array) {
952 if (typeof dragScope === 'string') {
953 return dropScope.indexOf(dragScope) != -1;
954 }
955 else if (dragScope instanceof Array) {
956 for (let s of dropScope) {
957 for (let ds of dragScope) {
958 if (s === ds) {
959 return true;
960 }
961 }
962 }
963 }
964 }
965 return false;
966 }
967 else {
968 return true;
969 }
970 }
971 _filter(value) {
972 let filterValue = value;
973 if (filterValue === '') {
974 this.filteredNodes = null;
975 }
976 else {
977 this.filteredNodes = [];
978 const searchFields = this.filterBy.split(',');
979 const filterText = ObjectUtils.removeAccents(filterValue).toLocaleLowerCase(this.filterLocale);
980 const isStrictMode = this.filterMode === 'strict';
981 for (let node of this.value) {
982 let copyNode = Object.assign({}, node);
983 let paramsWithoutNode = { searchFields, filterText, isStrictMode };
984 if ((isStrictMode && (this.findFilteredNodes(copyNode, paramsWithoutNode) || this.isFilterMatched(copyNode, paramsWithoutNode))) ||
985 (!isStrictMode && (this.isFilterMatched(copyNode, paramsWithoutNode) || this.findFilteredNodes(copyNode, paramsWithoutNode)))) {
986 this.filteredNodes.push(copyNode);
987 }
988 }
989 }
990 this.updateSerializedValue();
991 this.onFilter.emit({
992 filter: filterValue,
993 filteredValue: this.filteredNodes
994 });
995 }
996 resetFilter() {
997 this.filteredNodes = null;
998 if (this.filterViewChild && this.filterViewChild.nativeElement) {
999 this.filterViewChild.nativeElement.value = '';
1000 }
1001 }
1002 findFilteredNodes(node, paramsWithoutNode) {
1003 if (node) {
1004 let matched = false;
1005 if (node.children) {
1006 let childNodes = [...node.children];
1007 node.children = [];
1008 for (let childNode of childNodes) {
1009 let copyChildNode = Object.assign({}, childNode);
1010 if (this.isFilterMatched(copyChildNode, paramsWithoutNode)) {
1011 matched = true;
1012 node.children.push(copyChildNode);
1013 }
1014 }
1015 }
1016 if (matched) {
1017 node.expanded = true;
1018 return true;
1019 }
1020 }
1021 }
1022 isFilterMatched(node, { searchFields, filterText, isStrictMode }) {
1023 let matched = false;
1024 for (let field of searchFields) {
1025 let fieldValue = ObjectUtils.removeAccents(String(ObjectUtils.resolveFieldData(node, field))).toLocaleLowerCase(this.filterLocale);
1026 if (fieldValue.indexOf(filterText) > -1) {
1027 matched = true;
1028 }
1029 }
1030 if (!matched || (isStrictMode && !this.isNodeLeaf(node))) {
1031 matched = this.findFilteredNodes(node, { searchFields, filterText, isStrictMode }) || matched;
1032 }
1033 return matched;
1034 }
1035 getBlockableElement() {
1036 return this.el.nativeElement.children[0];
1037 }
1038 ngOnDestroy() {
1039 if (this.dragStartSubscription) {
1040 this.dragStartSubscription.unsubscribe();
1041 }
1042 if (this.dragStopSubscription) {
1043 this.dragStopSubscription.unsubscribe();
1044 }
1045 }
1046}
1047Tree.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: Tree, deps: [{ token: i0.ElementRef }, { token: i3.TreeDragDropService, optional: true }, { token: i3.PrimeNGConfig }], target: i0.ɵɵFactoryTarget.Component });
1048Tree.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "13.0.0", type: Tree, selector: "p-tree", inputs: { value: "value", selectionMode: "selectionMode", selection: "selection", style: "style", styleClass: "styleClass", contextMenu: "contextMenu", layout: "layout", draggableScope: "draggableScope", droppableScope: "droppableScope", draggableNodes: "draggableNodes", droppableNodes: "droppableNodes", metaKeySelection: "metaKeySelection", propagateSelectionUp: "propagateSelectionUp", propagateSelectionDown: "propagateSelectionDown", loading: "loading", loadingIcon: "loadingIcon", emptyMessage: "emptyMessage", ariaLabel: "ariaLabel", togglerAriaLabel: "togglerAriaLabel", ariaLabelledBy: "ariaLabelledBy", validateDrop: "validateDrop", filter: "filter", filterBy: "filterBy", filterMode: "filterMode", filterPlaceholder: "filterPlaceholder", filterLocale: "filterLocale", scrollHeight: "scrollHeight", virtualScroll: "virtualScroll", virtualNodeHeight: "virtualNodeHeight", minBufferPx: "minBufferPx", maxBufferPx: "maxBufferPx", indentation: "indentation", trackBy: "trackBy" }, outputs: { selectionChange: "selectionChange", onNodeSelect: "onNodeSelect", onNodeUnselect: "onNodeUnselect", onNodeExpand: "onNodeExpand", onNodeCollapse: "onNodeCollapse", onNodeContextMenuSelect: "onNodeContextMenuSelect", onNodeDrop: "onNodeDrop", onFilter: "onFilter" }, host: { classAttribute: "p-element" }, queries: [{ propertyName: "templates", predicate: PrimeTemplate }], viewQueries: [{ propertyName: "virtualScrollBody", first: true, predicate: CdkVirtualScrollViewport, descendants: true }, { propertyName: "filterViewChild", first: true, predicate: ["filter"], descendants: true }], usesOnChanges: true, ngImport: i0, template: `
1049 <div [ngClass]="{'p-tree p-component':true,'p-tree-selectable':selectionMode,
1050 'p-treenode-dragover':dragHover,'p-tree-loading': loading, 'p-tree-flex-scrollable': scrollHeight === 'flex'}"
1051 [ngStyle]="style" [class]="styleClass" *ngIf="!horizontal"
1052 (drop)="onDrop($event)" (dragover)="onDragOver($event)" (dragenter)="onDragEnter()" (dragleave)="onDragLeave($event)">
1053 <div class="p-tree-loading-overlay p-component-overlay" *ngIf="loading">
1054 <i [class]="'p-tree-loading-icon pi-spin ' + loadingIcon"></i>
1055 </div>
1056 <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
1057 <div *ngIf="filter" class="p-tree-filter-container">
1058 <input #filter type="text" autocomplete="off" class="p-tree-filter p-inputtext p-component" [attr.placeholder]="filterPlaceholder"
1059 (keydown.enter)="$event.preventDefault()" (input)="_filter($event.target.value)">
1060 <span class="p-tree-filter-icon pi pi-search"></span>
1061 </div>
1062 <ng-container *ngIf="!virtualScroll; else virtualScrollList">
1063 <div class="p-tree-wrapper" [style.max-height]="scrollHeight">
1064 <ul class="p-tree-container" *ngIf="getRootNode()" role="tree" [attr.aria-label]="ariaLabel" [attr.aria-labelledby]="ariaLabelledBy">
1065 <p-treeNode *ngFor="let node of getRootNode(); let firstChild=first;let lastChild=last; let index=index; trackBy: trackBy" [node]="node"
1066 [firstChild]="firstChild" [lastChild]="lastChild" [index]="index" [level]="0"></p-treeNode>
1067 </ul>
1068 </div>
1069 </ng-container>
1070 <ng-template #virtualScrollList>
1071 <cdk-virtual-scroll-viewport class="p-tree-wrapper" [style.height]="scrollHeight" [itemSize]="virtualNodeHeight" [minBufferPx]="minBufferPx" [maxBufferPx]="maxBufferPx">
1072 <ul class="p-tree-container" *ngIf="getRootNode()" role="tree" [attr.aria-label]="ariaLabel" [attr.aria-labelledby]="ariaLabelledBy">
1073 <p-treeNode *cdkVirtualFor="let rowNode of serializedValue; let firstChild=first; let lastChild=last; let index=index; trackBy: trackBy; templateCacheSize: 0" [level]="rowNode.level"
1074 [rowNode]="rowNode" [node]="rowNode.node" [firstChild]="firstChild" [lastChild]="lastChild" [index]="index" [style.height.px]="virtualNodeHeight" [indentation]="indentation"></p-treeNode>
1075 </ul>
1076 </cdk-virtual-scroll-viewport>
1077 </ng-template>
1078 <div class="p-tree-empty-message" *ngIf="!loading && (getRootNode() == null || getRootNode().length === 0)">
1079 <ng-container *ngIf="!emptyMessageTemplate; else emptyFilter">
1080 {{emptyMessageLabel}}
1081 </ng-container>
1082 <ng-container #emptyFilter *ngTemplateOutlet="emptyMessageTemplate"></ng-container>
1083 </div>
1084 <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
1085 </div>
1086 <div [ngClass]="{'p-tree p-tree-horizontal p-component':true,'p-tree-selectable':selectionMode}" [ngStyle]="style" [class]="styleClass" *ngIf="horizontal">
1087 <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
1088 <div class="p-tree-loading-mask p-component-overlay" *ngIf="loading">
1089 <i [class]="'p-tree-loading-icon pi-spin ' + loadingIcon"></i>
1090 </div>
1091 <table *ngIf="value&&value[0]">
1092 <p-treeNode [node]="value[0]" [root]="true"></p-treeNode>
1093 </table>
1094 <div class="p-tree-empty-message" *ngIf="!loading && (getRootNode() == null || getRootNode().length === 0)">
1095 <ng-container *ngIf="!emptyMessageTemplate; else emptyFilter">
1096 {{emptyMessageLabel}}
1097 </ng-container>
1098 <ng-container #emptyFilter *ngTemplateOutlet="emptyMessageTemplate"></ng-container>
1099 </div>
1100 <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
1101 </div>
1102 `, isInline: true, styles: [".p-tree-container{margin:0;padding:0;list-style-type:none;overflow:auto}.p-treenode-children{margin:0;padding:0;list-style-type:none}.p-tree-wrapper{overflow:auto}.p-treenode-selectable{cursor:pointer;-webkit-user-select:none;-ms-user-select:none;user-select:none}.p-tree-toggler{cursor:pointer;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.p-treenode-leaf>.p-treenode-content .p-tree-toggler{visibility:hidden}.p-treenode-content{display:flex;align-items:center}.p-tree-filter{width:100%}.p-tree-filter-container{position:relative;display:block;width:100%}.p-tree-filter-icon{position:absolute;top:50%;margin-top:-.5rem}.p-tree-loading{position:relative;min-height:4rem}.p-tree 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repeat-y scroll 0 0 transparent;width:1px}.p-tree.p-tree-horizontal table{height:0}\n"], components: [{ type: UITreeNode, selector: "p-treeNode", inputs: ["rowNode", "node", "parentNode", "root", "index", "firstChild", "lastChild", "level", "indentation"] }, { type: i4.CdkVirtualScrollViewport, selector: "cdk-virtual-scroll-viewport", inputs: ["orientation", "appendOnly"], outputs: ["scrolledIndexChange"] }], directives: [{ type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { type: i1.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { type: i1.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet"] }, { type: i1.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { type: i4.CdkFixedSizeVirtualScroll, selector: "cdk-virtual-scroll-viewport[itemSize]", inputs: ["itemSize", "minBufferPx", "maxBufferPx"] }, { type: i4.CdkVirtualForOf, selector: "[cdkVirtualFor][cdkVirtualForOf]", inputs: ["cdkVirtualForOf", "cdkVirtualForTrackBy", "cdkVirtualForTemplate", "cdkVirtualForTemplateCacheSize"] }], changeDetection: i0.ChangeDetectionStrategy.Default, encapsulation: i0.ViewEncapsulation.None });
1103i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: Tree, decorators: [{
1104 type: Component,
1105 args: [{ selector: 'p-tree', template: `
1106 <div [ngClass]="{'p-tree p-component':true,'p-tree-selectable':selectionMode,
1107 'p-treenode-dragover':dragHover,'p-tree-loading': loading, 'p-tree-flex-scrollable': scrollHeight === 'flex'}"
1108 [ngStyle]="style" [class]="styleClass" *ngIf="!horizontal"
1109 (drop)="onDrop($event)" (dragover)="onDragOver($event)" (dragenter)="onDragEnter()" (dragleave)="onDragLeave($event)">
1110 <div class="p-tree-loading-overlay p-component-overlay" *ngIf="loading">
1111 <i [class]="'p-tree-loading-icon pi-spin ' + loadingIcon"></i>
1112 </div>
1113 <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
1114 <div *ngIf="filter" class="p-tree-filter-container">
1115 <input #filter type="text" autocomplete="off" class="p-tree-filter p-inputtext p-component" [attr.placeholder]="filterPlaceholder"
1116 (keydown.enter)="$event.preventDefault()" (input)="_filter($event.target.value)">
1117 <span class="p-tree-filter-icon pi pi-search"></span>
1118 </div>
1119 <ng-container *ngIf="!virtualScroll; else virtualScrollList">
1120 <div class="p-tree-wrapper" [style.max-height]="scrollHeight">
1121 <ul class="p-tree-container" *ngIf="getRootNode()" role="tree" [attr.aria-label]="ariaLabel" [attr.aria-labelledby]="ariaLabelledBy">
1122 <p-treeNode *ngFor="let node of getRootNode(); let firstChild=first;let lastChild=last; let index=index; trackBy: trackBy" [node]="node"
1123 [firstChild]="firstChild" [lastChild]="lastChild" [index]="index" [level]="0"></p-treeNode>
1124 </ul>
1125 </div>
1126 </ng-container>
1127 <ng-template #virtualScrollList>
1128 <cdk-virtual-scroll-viewport class="p-tree-wrapper" [style.height]="scrollHeight" [itemSize]="virtualNodeHeight" [minBufferPx]="minBufferPx" [maxBufferPx]="maxBufferPx">
1129 <ul class="p-tree-container" *ngIf="getRootNode()" role="tree" [attr.aria-label]="ariaLabel" [attr.aria-labelledby]="ariaLabelledBy">
1130 <p-treeNode *cdkVirtualFor="let rowNode of serializedValue; let firstChild=first; let lastChild=last; let index=index; trackBy: trackBy; templateCacheSize: 0" [level]="rowNode.level"
1131 [rowNode]="rowNode" [node]="rowNode.node" [firstChild]="firstChild" [lastChild]="lastChild" [index]="index" [style.height.px]="virtualNodeHeight" [indentation]="indentation"></p-treeNode>
1132 </ul>
1133 </cdk-virtual-scroll-viewport>
1134 </ng-template>
1135 <div class="p-tree-empty-message" *ngIf="!loading && (getRootNode() == null || getRootNode().length === 0)">
1136 <ng-container *ngIf="!emptyMessageTemplate; else emptyFilter">
1137 {{emptyMessageLabel}}
1138 </ng-container>
1139 <ng-container #emptyFilter *ngTemplateOutlet="emptyMessageTemplate"></ng-container>
1140 </div>
1141 <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
1142 </div>
1143 <div [ngClass]="{'p-tree p-tree-horizontal p-component':true,'p-tree-selectable':selectionMode}" [ngStyle]="style" [class]="styleClass" *ngIf="horizontal">
1144 <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
1145 <div class="p-tree-loading-mask p-component-overlay" *ngIf="loading">
1146 <i [class]="'p-tree-loading-icon pi-spin ' + loadingIcon"></i>
1147 </div>
1148 <table *ngIf="value&&value[0]">
1149 <p-treeNode [node]="value[0]" [root]="true"></p-treeNode>
1150 </table>
1151 <div class="p-tree-empty-message" *ngIf="!loading && (getRootNode() == null || getRootNode().length === 0)">
1152 <ng-container *ngIf="!emptyMessageTemplate; else emptyFilter">
1153 {{emptyMessageLabel}}
1154 </ng-container>
1155 <ng-container #emptyFilter *ngTemplateOutlet="emptyMessageTemplate"></ng-container>
1156 </div>
1157 <ng-container *ngTemplateOutlet="footerTemplate"></ng-container>
1158 </div>
1159 `, changeDetection: ChangeDetectionStrategy.Default, encapsulation: ViewEncapsulation.None, host: {
1160 'class': 'p-element'
1161 }, styles: [".p-tree-container{margin:0;padding:0;list-style-type:none;overflow:auto}.p-treenode-children{margin:0;padding:0;list-style-type:none}.p-tree-wrapper{overflow:auto}.p-treenode-selectable{cursor:pointer;-webkit-user-select:none;-ms-user-select:none;user-select:none}.p-tree-toggler{cursor:pointer;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.p-treenode-leaf>.p-treenode-content .p-tree-toggler{visibility:hidden}.p-treenode-content{display:flex;align-items:center}.p-tree-filter{width:100%}.p-tree-filter-container{position:relative;display:block;width:100%}.p-tree-filter-icon{position:absolute;top:50%;margin-top:-.5rem}.p-tree-loading{position:relative;min-height:4rem}.p-tree .p-tree-loading-overlay{position:absolute;display:flex;align-items:center;justify-content:center;z-index:2}.p-tree-flex-scrollable{display:flex;flex:1;height:100%;flex-direction:column}.p-tree-flex-scrollable .p-tree-wrapper{flex:1}.p-tree .p-treenode-droppoint{height:4px;list-style-type:none}.p-tree .p-treenode-droppoint-active{border:0 none}.p-tree-horizontal{width:auto;padding-left:0;padding-right:0;overflow:auto}.p-tree.p-tree-horizontal table,.p-tree.p-tree-horizontal tr,.p-tree.p-tree-horizontal td{border-collapse:collapse;margin:0;padding:0;vertical-align:middle}.p-tree-horizontal .p-treenode-content{font-weight:normal;padding:.4em 1em .4em .2em;display:flex;align-items:center}.p-tree-horizontal .p-treenode-parent .p-treenode-content{font-weight:normal;white-space:nowrap}.p-tree.p-tree-horizontal 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repeat-y scroll 0 0 transparent;width:1px}.p-tree.p-tree-horizontal table{height:0}\n"] }]
1162 }], ctorParameters: function () {
1163 return [{ type: i0.ElementRef }, { type: i3.TreeDragDropService, decorators: [{
1164 type: Optional
1165 }] }, { type: i3.PrimeNGConfig }];
1166 }, propDecorators: { value: [{
1167 type: Input
1168 }], selectionMode: [{
1169 type: Input
1170 }], selection: [{
1171 type: Input
1172 }], selectionChange: [{
1173 type: Output
1174 }], onNodeSelect: [{
1175 type: Output
1176 }], onNodeUnselect: [{
1177 type: Output
1178 }], onNodeExpand: [{
1179 type: Output
1180 }], onNodeCollapse: [{
1181 type: Output
1182 }], onNodeContextMenuSelect: [{
1183 type: Output
1184 }], onNodeDrop: [{
1185 type: Output
1186 }], style: [{
1187 type: Input
1188 }], styleClass: [{
1189 type: Input
1190 }], contextMenu: [{
1191 type: Input
1192 }], layout: [{
1193 type: Input
1194 }], draggableScope: [{
1195 type: Input
1196 }], droppableScope: [{
1197 type: Input
1198 }], draggableNodes: [{
1199 type: Input
1200 }], droppableNodes: [{
1201 type: Input
1202 }], metaKeySelection: [{
1203 type: Input
1204 }], propagateSelectionUp: [{
1205 type: Input
1206 }], propagateSelectionDown: [{
1207 type: Input
1208 }], loading: [{
1209 type: Input
1210 }], loadingIcon: [{
1211 type: Input
1212 }], emptyMessage: [{
1213 type: Input
1214 }], ariaLabel: [{
1215 type: Input
1216 }], togglerAriaLabel: [{
1217 type: Input
1218 }], ariaLabelledBy: [{
1219 type: Input
1220 }], validateDrop: [{
1221 type: Input
1222 }], filter: [{
1223 type: Input
1224 }], filterBy: [{
1225 type: Input
1226 }], filterMode: [{
1227 type: Input
1228 }], filterPlaceholder: [{
1229 type: Input
1230 }], filterLocale: [{
1231 type: Input
1232 }], scrollHeight: [{
1233 type: Input
1234 }], virtualScroll: [{
1235 type: Input
1236 }], virtualNodeHeight: [{
1237 type: Input
1238 }], minBufferPx: [{
1239 type: Input
1240 }], maxBufferPx: [{
1241 type: Input
1242 }], indentation: [{
1243 type: Input
1244 }], trackBy: [{
1245 type: Input
1246 }], onFilter: [{
1247 type: Output
1248 }], templates: [{
1249 type: ContentChildren,
1250 args: [PrimeTemplate]
1251 }], virtualScrollBody: [{
1252 type: ViewChild,
1253 args: [CdkVirtualScrollViewport]
1254 }], filterViewChild: [{
1255 type: ViewChild,
1256 args: ['filter']
1257 }] } });
1258class TreeModule {
1259}
1260TreeModule.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: TreeModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
1261TreeModule.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: TreeModule, declarations: [Tree, UITreeNode], imports: [CommonModule, ScrollingModule, RippleModule], exports: [Tree, SharedModule, ScrollingModule] });
1262TreeModule.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: TreeModule, imports: [[CommonModule, ScrollingModule, RippleModule], SharedModule, ScrollingModule] });
1263i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: TreeModule, decorators: [{
1264 type: NgModule,
1265 args: [{
1266 imports: [CommonModule, ScrollingModule, RippleModule],
1267 exports: [Tree, SharedModule, ScrollingModule],
1268 declarations: [Tree, UITreeNode]
1269 }]
1270 }] });
1271
1272/**
1273 * Generated bundle index. Do not edit.
1274 */
1275
1276export { Tree, TreeModule, UITreeNode };
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