/*
 * Copyright © 2024 Regular Labs - All Rights Reserved
 * GNU General Public License version 2 or later
 */
(function(){'use strict';window.RegularLabs=window.RegularLabs||{};window.RegularLabs.TreeSelect=window.RegularLabs.TreeSelect||{direction:(document.dir!==undefined)?document.dir:document.getElementsByTagName("html")[0].getAttribute("dir"),init:function(id){const menu=document.querySelector('div#rl-treeselect-'+id);if(!menu){return;}
const list=menu.querySelector('ul');const top_level_items=list.querySelectorAll(':scope > li');const items=list.querySelectorAll('li');const search_field=menu.querySelector('[name="treeselectfilter"]');const sub_tree_select=menu.querySelector('div.sub-tree-select > *');const no_results_found=menu.querySelector('joomla-alert');items.forEach((item)=>{item.text=item.innerText;});items.forEach((item)=>{const checkbox=item.querySelector(':scope > .treeselect-item > input');if(!checkbox){return;}
item.classList.toggle('rl-item-checked',checkbox.checked);checkbox.addEventListener('change',()=>{item.classList.toggle('rl-item-checked',checkbox.checked);});const child_list=item.querySelector(':scope > ul.treeselect-sub');if(!child_list){return;}
const label=item.querySelector('label');const sub_tree_select_el=sub_tree_select.cloneNode(true);const sub_tree_expand=document.createElement('span');sub_tree_expand.className='treeselect-toggle icon-chevron-down';sub_tree_expand.collapsed=false;sub_tree_expand.addEventListener('click',()=>{this.expand(child_list,sub_tree_expand);});sub_tree_select_el.querySelector('[data-action="checkNested"]').addEventListener('click',()=>{this.check(child_list,true);});sub_tree_select_el.querySelector('[data-action="uncheckNested"]').addEventListener('click',()=>{this.check(child_list,false);});sub_tree_select_el.querySelector('[data-action="toggleNested"]').addEventListener('click',()=>{this.check(child_list,'toggle');});if(checkbox.dataset['rlTreeselectCollapseChildren']){if(checkbox.checked){sub_tree_expand.collapsed=false;this.expand(child_list,sub_tree_expand);this.check(child_list,false);}
checkbox.addEventListener('click',()=>{sub_tree_expand.collapsed=!checkbox.checked;this.expand(child_list,sub_tree_expand);this.check(child_list,false);});}
item.insertBefore(sub_tree_expand,item.firstChild);label.append(sub_tree_select_el);});menu.querySelector('[data-action="checkAll"]').addEventListener('click',()=>{this.check(menu,true);});menu.querySelector('[data-action="uncheckAll"]').addEventListener('click',()=>{this.check(menu,false);});menu.querySelector('[data-action="toggleAll"]').addEventListener('click',()=>{this.check(menu,'toggle');});menu.querySelector('[data-action="expandAll"]').addEventListener('click',()=>{top_level_items.forEach((item)=>{const child_list=item.querySelector('ul.treeselect-sub');const sub_tree_expand=item.querySelector('.treeselect-toggle');if(!child_list||!sub_tree_expand){return;}
sub_tree_expand.collapsed=true;this.expand(child_list,sub_tree_expand);});});menu.querySelector('[data-action="collapseAll"]').addEventListener('click',()=>{top_level_items.forEach((item)=>{const child_list=item.querySelector('ul.treeselect-sub');const sub_tree_expand=item.querySelector('.treeselect-toggle');if(!child_list||!sub_tree_expand){return;}
sub_tree_expand.collapsed=false;this.expand(child_list,sub_tree_expand);});});menu.querySelector('[data-action="showAll"]').addEventListener('click',()=>{this.resetSearch(items,search_field,no_results_found);});menu.querySelector('[data-action="showSelected"]').addEventListener('click',(e)=>{this.resetSearch(items,search_field,no_results_found,true);});search_field.addEventListener('keyup',()=>{this.doSearch(items,search_field,no_results_found);});},resetSearch:function(items,search_field,no_results_found,has_checked){search_field.value='';this.doSearch(items,search_field,no_results_found,has_checked);},doSearch:function(items,search_field,no_results_found,has_checked){const text=search_field.value.toLowerCase();no_results_found.style.display='none';let results_found=0;items.forEach((item)=>{if(has_checked&&!item.querySelector('input:checked')){item.style.display='none';return;}
if(text!==''){let item_text=item.text.toLowerCase();item_text=item_text.replace(/\s+/g,' ').trim();if(item_text.indexOf(text)==-1){item.style.display='none';return;}}
results_found++;item.style.display='block';});if(!results_found){no_results_found.style.display='block';}},check:function(parent,checked){const items=parent.querySelectorAll('li');items.forEach((item)=>{if(item.style.display==='none'){return;}
const checkbox=item.querySelector(':scope > .treeselect-item input:enabled');if(!checkbox){return;}
checkbox.checked=checked==='toggle'?!checkbox.checked:checked;item.classList.toggle('rl-item-checked',checked);});},expand:function(element,button){const show=button.collapsed;element.style.display=show?'block':'none';button.classList.toggle('icon-chevron-down',show);button.classList.toggle(this.direction==='rtl'?'icon-chevron-left':'icon-chevron-right',!show);button.collapsed=!button.collapsed;if(!show){return;}
const child_lists=element.querySelectorAll(':scope > li > ul.treeselect-sub');if(!child_lists.length){return;}
child_lists.forEach((child_list)=>{const child_button=child_list.closest('li').querySelector('.treeselect-toggle');child_button.collapsed=true;this.expand(child_list,child_button);});}};})();