import { __decorate } from 'tslib';
import { Pipe, forwardRef, EventEmitter, ChangeDetectorRef, Input, Output, HostListener, Component, ChangeDetectionStrategy, ElementRef, Directive, NgModule } from '@angular/core';
import { NG_VALUE_ACCESSOR, FormsModule } from '@angular/forms';
import { CommonModule } from '@angular/common';

class ListItem {
    constructor(source) {
        if (typeof source === 'string' || typeof source === 'number') {
            this.id = this.text = source;
            this.isDisabled = false;
        }
        if (typeof source === 'object') {
            this.id = source.id;
            this.text = source.text;
            this.tooltip = source.tooltip;
            this.isDisabled = source.isDisabled;
        }
    }
}

let ListFilterPipe = class ListFilterPipe {
    transform(items, filter) {
        if (!items || !filter) {
            return items;
        }
        return items.filter((item) => this.applyFilter(item, filter));
    }
    applyFilter(item, filter) {
        if (typeof item.text === 'string' && typeof filter.text === 'string') {
            return !(filter.text && item.text && item.text.toLowerCase().indexOf(filter.text.toLowerCase()) === -1);
        }
        else {
            return !(filter.text && item.text && item.text.toString().toLowerCase().indexOf(filter.text.toString().toLowerCase()) === -1);
        }
    }
};
ListFilterPipe = __decorate([
    Pipe({
        name: 'multiSelectFilter',
        pure: false
    })
], ListFilterPipe);

const DROPDOWN_CONTROL_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => MultiSelectComponent),
    multi: true
};
const noop = () => { };
const ɵ0 = noop;
let MultiSelectComponent = class MultiSelectComponent {
    constructor(listFilterPipe, cdr) {
        this.listFilterPipe = listFilterPipe;
        this.cdr = cdr;
        this._data = [];
        this.selectedItems = [];
        this.isDropdownOpen = true;
        this._placeholder = "Select";
        this._sourceDataType = null; // to keep note of the source data type. could be array of string/number/object
        this._sourceDataFields = []; // store source data fields names
        this.filter = new ListItem(this.data);
        this.defaultSettings = {
            singleSelection: false,
            idField: "id",
            textField: "text",
            tooltipField: "tooltip",
            disabledField: "isDisabled",
            enableCheckAll: true,
            selectAllText: "Select All",
            unSelectAllText: "UnSelect All",
            allowSearchFilter: false,
            limitSelection: -1,
            clearSearchFilter: true,
            maxHeight: 197,
            itemsShowLimit: 999999999999,
            searchPlaceholderText: "Search",
            noDataAvailablePlaceholderText: "No data available",
            noFilteredDataAvailablePlaceholderText: "No filtered data available",
            closeDropDownOnSelection: false,
            showSelectedItemsAtTop: false,
            defaultOpen: false,
            allowRemoteDataSearch: false
        };
        this.disabled = false;
        this.onFilterChange = new EventEmitter();
        this.onDropDownClose = new EventEmitter();
        this.onSelect = new EventEmitter();
        this.onDeSelect = new EventEmitter();
        this.onSelectAll = new EventEmitter();
        this.onDeSelectAll = new EventEmitter();
        this.onTouchedCallback = noop;
        this.onChangeCallback = noop;
    }
    set placeholder(value) {
        if (value) {
            this._placeholder = value;
        }
        else {
            this._placeholder = "Select";
        }
    }
    set settings(value) {
        if (value) {
            this._settings = Object.assign(this.defaultSettings, value);
        }
        else {
            this._settings = Object.assign(this.defaultSettings);
        }
    }
    set data(value) {
        if (!value) {
            this._data = [];
        }
        else {
            const firstItem = value[0];
            this._sourceDataType = typeof firstItem;
            this._sourceDataFields = this.getFields(firstItem);
            this._data = value.map(item => this.deobjectify(item));
        }
    }
    onFilterTextChange($event) {
        this.onFilterChange.emit($event);
    }
    onItemClick($event, item) {
        if (this.disabled || item.isDisabled) {
            return false;
        }
        const found = this.isSelected(item);
        const allowAdd = this._settings.limitSelection === -1 || (this._settings.limitSelection > 0 && this.selectedItems.length < this._settings.limitSelection);
        if (!found) {
            if (allowAdd) {
                this.addSelected(item);
            }
        }
        else {
            this.removeSelected(item);
        }
        if (this._settings.singleSelection && this._settings.closeDropDownOnSelection) {
            this.closeDropdown();
        }
    }
    writeValue(value) {
        if (value !== undefined && value !== null && value.length > 0) {
            if (this._settings.singleSelection) {
                try {
                    if (value.length >= 1) {
                        this.selectedItems = [this.deobjectify(value[0])];
                    }
                }
                catch (e) {
                    // console.error(e.body.msg);
                }
            }
            else {
                const _data = value.map((item) => this.deobjectify(item));
                if (this._settings.limitSelection > 0) {
                    this.selectedItems = _data.splice(0, this._settings.limitSelection);
                }
                else {
                    this.selectedItems = _data;
                }
            }
        }
        else {
            this.selectedItems = [];
        }
        this.onChangeCallback(value);
        this.cdr.markForCheck();
    }
    // From ControlValueAccessor interface
    registerOnChange(fn) {
        this.onChangeCallback = fn;
    }
    // From ControlValueAccessor interface
    registerOnTouched(fn) {
        this.onTouchedCallback = fn;
    }
    // Set touched on blur
    onTouched() {
        // this.closeDropdown();
        this.onTouchedCallback();
    }
    trackByFn(index, item) {
        return item.id;
    }
    isSelected(clickedItem) {
        let found = false;
        this.selectedItems.forEach(item => {
            if (clickedItem.id === item.id) {
                found = true;
            }
        });
        return found;
    }
    isLimitSelectionReached() {
        return this._settings.limitSelection === this.selectedItems.length;
    }
    isAllItemsSelected() {
        // get disabld item count
        let filteredItems = this.listFilterPipe.transform(this._data, this.filter);
        const itemDisabledCount = filteredItems.filter(item => item.isDisabled).length;
        // take disabled items into consideration when checking
        if ((!this.data || this.data.length === 0) && this._settings.allowRemoteDataSearch) {
            return false;
        }
        return filteredItems.length === this.selectedItems.length + itemDisabledCount;
    }
    showButton() {
        if (!this._settings.singleSelection) {
            if (this._settings.limitSelection > 0) {
                return false;
            }
            // this._settings.enableCheckAll = this._settings.limitSelection === -1 ? true : false;
            return true; // !this._settings.singleSelection && this._settings.enableCheckAll && this._data.length > 0;
        }
        else {
            // should be disabled in single selection mode
            return false;
        }
    }
    itemShowRemaining() {
        return this.selectedItems.length - this._settings.itemsShowLimit;
    }
    addSelected(item) {
        if (this._settings.singleSelection) {
            this.selectedItems = [];
            this.selectedItems.push(item);
        }
        else {
            this.selectedItems.push(item);
        }
        this.onChangeCallback(this.emittedValue(this.selectedItems));
        this.onSelect.emit(this.emittedValue(item));
    }
    removeSelected(itemSel) {
        this.selectedItems.forEach(item => {
            if (itemSel.id === item.id) {
                this.selectedItems.splice(this.selectedItems.indexOf(item), 1);
            }
        });
        this.onChangeCallback(this.emittedValue(this.selectedItems));
        this.onDeSelect.emit(this.emittedValue(itemSel));
    }
    emittedValue(val) {
        const selected = [];
        if (Array.isArray(val)) {
            val.map(item => {
                selected.push(this.objectify(item));
            });
        }
        else {
            if (val) {
                return this.objectify(val);
            }
        }
        return selected;
    }
    objectify(val) {
        if (this._sourceDataType === 'object') {
            const obj = {};
            obj[this._settings.idField] = val.id;
            obj[this._settings.textField] = val.text;
            if (this._sourceDataFields.includes(this._settings.disabledField)) {
                obj[this._settings.disabledField] = val.isDisabled;
            }
            if (this._sourceDataFields.includes(this._settings.tooltipField)) {
                obj[this._settings.tooltipField] = val.tooltip;
            }
            return obj;
        }
        if (this._sourceDataType === 'number') {
            return Number(val.id);
        }
        else {
            return val.text;
        }
    }
    deobjectify(item) {
        if (typeof item === "string" || typeof item === "number") {
            return new ListItem(item);
        }
        else {
            return new ListItem({
                id: item[this._settings.idField],
                text: item[this._settings.textField],
                tooltip: item[this._settings.tooltipField],
                isDisabled: item[this._settings.disabledField]
            });
        }
    }
    toggleDropdown(evt) {
        evt.preventDefault();
        if (this.disabled && this._settings.singleSelection) {
            return;
        }
        this._settings.defaultOpen = !this._settings.defaultOpen;
        if (!this._settings.defaultOpen) {
            this.onDropDownClose.emit();
        }
    }
    closeDropdown() {
        this._settings.defaultOpen = false;
        // clear search text
        if (this._settings.clearSearchFilter) {
            this.filter.text = "";
        }
        this.onDropDownClose.emit();
    }
    toggleSelectAll() {
        if (this.disabled) {
            return false;
        }
        if (!this.isAllItemsSelected()) {
            // filter out disabled item first before slicing
            this.selectedItems = this.listFilterPipe.transform(this._data, this.filter).filter(item => !item.isDisabled).slice();
            this.onSelectAll.emit(this.emittedValue(this.selectedItems));
        }
        else {
            this.selectedItems = [];
            this.onDeSelectAll.emit(this.emittedValue(this.selectedItems));
        }
        this.onChangeCallback(this.emittedValue(this.selectedItems));
    }
    getFields(inputData) {
        const fields = [];
        if (typeof inputData !== "object") {
            return fields;
        }
        // tslint:disable-next-line:forin
        for (const prop in inputData) {
            fields.push(prop);
        }
        return fields;
    }
};
MultiSelectComponent.ctorParameters = () => [
    { type: ListFilterPipe },
    { type: ChangeDetectorRef }
];
__decorate([
    Input()
], MultiSelectComponent.prototype, "placeholder", null);
__decorate([
    Input()
], MultiSelectComponent.prototype, "disabled", void 0);
__decorate([
    Input()
], MultiSelectComponent.prototype, "settings", null);
__decorate([
    Input()
], MultiSelectComponent.prototype, "data", null);
__decorate([
    Output("onFilterChange")
], MultiSelectComponent.prototype, "onFilterChange", void 0);
__decorate([
    Output("onDropDownClose")
], MultiSelectComponent.prototype, "onDropDownClose", void 0);
__decorate([
    Output("onSelect")
], MultiSelectComponent.prototype, "onSelect", void 0);
__decorate([
    Output("onDeSelect")
], MultiSelectComponent.prototype, "onDeSelect", void 0);
__decorate([
    Output("onSelectAll")
], MultiSelectComponent.prototype, "onSelectAll", void 0);
__decorate([
    Output("onDeSelectAll")
], MultiSelectComponent.prototype, "onDeSelectAll", void 0);
__decorate([
    HostListener("blur")
], MultiSelectComponent.prototype, "onTouched", null);
MultiSelectComponent = __decorate([
    Component({
        selector: "ng-multiselect-dropdown",
        template: "<div tabindex=\"0\" (blur)=\"onTouched()\" class=\"multiselect-dropdown\" (clickOutside)=\"closeDropdown()\">\n  <div [class.disabled]=\"disabled\">\n    <span tabindex=\"-1\" class=\"dropdown-btn\" (click)=\"toggleDropdown($event)\">\n      <span *ngIf=\"selectedItems.length == 0\">{{_placeholder}}</span>\n      <span *ngFor=\"let item of selectedItems; trackBy: trackByFn;let k = index\" class=\"selected-item-container\" >\n        <span class=\"selected-item\"  [hidden]=\"k  > (this._settings.itemsShowLimit-1)\" [attr.title]=\"item.tooltip\">\n          <span >{{item.text}}&nbsp;</span>\n          <a style=\"padding-left:2px;color:white\" (click)=\"onItemClick($event,item)\">x</a>\n        </span>\n\n      </span>\n      <span [ngClass]=\"{ 'dropdown-multiselect--active': _settings.defaultOpen }\" style=\"float:right !important;padding-right:4px\">\n        <span style=\"padding-right: 15px;\" *ngIf=\"itemShowRemaining()>0\">+{{itemShowRemaining()}}</span>\n        <span class=\"dropdown-multiselect__caret\"></span>\n      </span>\n    </span>\n  </div>\n  <div class=\"dropdown-list\" [hidden]=\"!_settings.defaultOpen\">\n    <ul class=\"item1\">\n      <li (click)=\"toggleSelectAll()\" *ngIf=\"(_data.length > 0 || _settings.allowRemoteDataSearch) && !_settings.singleSelection && _settings.enableCheckAll && _settings.limitSelection===-1\" class=\"multiselect-item-checkbox\" style=\"border-bottom: 1px solid #ccc;padding:10px\">\n        <input type=\"checkbox\" aria-label=\"multiselect-select-all\" [checked]=\"isAllItemsSelected()\" [disabled]=\"disabled || isLimitSelectionReached()\" />\n        <div>{{!isAllItemsSelected() ? _settings.selectAllText : _settings.unSelectAllText}}</div>\n      </li>\n      <li class=\"filter-textbox\" *ngIf=\"(_data.length>0 || _settings.allowRemoteDataSearch) && _settings.allowSearchFilter\">\n        <input type=\"text\" aria-label=\"multiselect-search\" [readOnly]=\"disabled\" [placeholder]=\"_settings.searchPlaceholderText\" [(ngModel)]=\"filter.text\" (ngModelChange)=\"onFilterTextChange($event)\">\n      </li>\n    </ul>\n    <ul class=\"item2\" [style.maxHeight]=\"_settings.maxHeight+'px'\">\n      <li *ngFor=\"let item of _data | multiSelectFilter:filter; let i = index;\" (click)=\"onItemClick($event,item)\" class=\"multiselect-item-checkbox\" [attr.title]=\"item.tooltip\">\n        <input type=\"checkbox\" [attr.aria-label]=\"item.text\" [checked]=\"isSelected(item)\" [disabled]=\"disabled || (isLimitSelectionReached() && !isSelected(item)) || item.isDisabled\" />\n        <div>{{item.text}}</div>\n      </li>\n      <li class='no-filtered-data' *ngIf=\"_data.length != 0 && (_data | multiSelectFilter:filter).length == 0 && !_settings.allowRemoteDataSearch\">\n        <h5>{{_settings.noFilteredDataAvailablePlaceholderText}}</h5>\n      </li>\n      <li class='no-data' *ngIf=\"_data.length == 0 && !_settings.allowRemoteDataSearch\">\n        <h5>{{_settings.noDataAvailablePlaceholderText}}</h5>\n      </li>\n    </ul>\n  </div>\n</div>\n",
        providers: [DROPDOWN_CONTROL_VALUE_ACCESSOR],
        changeDetection: ChangeDetectionStrategy.OnPush,
        styles: [".multiselect-dropdown{position:relative;width:100%;font-size:inherit;font-family:inherit}.multiselect-dropdown .dropdown-btn{display:inline-block;border:1px solid #adadad;width:100%;padding:6px 12px;margin-bottom:0;font-weight:400;line-height:1.52857143;text-align:left;vertical-align:middle;cursor:pointer;background-image:none;border-radius:4px}.multiselect-dropdown .dropdown-btn .selected-item-container{display:flex;float:left;max-width:93%}.multiselect-dropdown .dropdown-btn .selected-item-container .selected-item{border:1px solid #337ab7;margin-right:4px;margin-bottom:4px;background:#337ab7;padding:0 5px;color:#fff;border-radius:2px;float:left}.multiselect-dropdown .dropdown-btn .selected-item-container .selected-item span{overflow:hidden;text-overflow:ellipsis}.multiselect-dropdown .dropdown-btn .selected-item-container .selected-item a{text-decoration:none}.multiselect-dropdown .dropdown-btn .selected-item:hover{box-shadow:1px 1px #959595}.multiselect-dropdown .dropdown-btn .dropdown-multiselect__caret{line-height:16px;display:block;position:absolute;box-sizing:border-box;width:40px;height:38px;right:1px;top:0;padding:4px 8px;margin:0;text-decoration:none;text-align:center;cursor:pointer;transition:transform .2s}.multiselect-dropdown .dropdown-btn .dropdown-multiselect__caret:before{position:relative;right:0;top:65%;color:#999;margin-top:4px;border-style:solid;border-width:8px 8px 0;border-color:#999 transparent;content:\"\"}.multiselect-dropdown .dropdown-btn .dropdown-multiselect--active .dropdown-multiselect__caret{transform:rotateZ(180deg)}.multiselect-dropdown .disabled>span{background-color:#eceeef}.dropdown-list{position:absolute;padding-top:6px;width:100%;z-index:9999;border:1px solid #ccc;border-radius:3px;background:#fff;margin-top:10px;box-shadow:0 1px 5px #959595}.dropdown-list ul{padding:0;list-style:none;overflow:auto;margin:0}.dropdown-list li{padding:6px 10px;cursor:pointer;text-align:left}.dropdown-list .filter-textbox{border-bottom:1px solid #ccc;position:relative;padding:10px}.dropdown-list .filter-textbox input{border:0;width:100%;padding:0 0 0 26px}.dropdown-list .filter-textbox input:focus{outline:0}.multiselect-item-checkbox:hover{background-color:#e4e3e3}.multiselect-item-checkbox input[type=checkbox]{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}.multiselect-item-checkbox input[type=checkbox]:focus+div:before,.multiselect-item-checkbox input[type=checkbox]:hover+div:before{border-color:#337ab7;background-color:#f2f2f2}.multiselect-item-checkbox input[type=checkbox]:active+div:before{transition-duration:0s}.multiselect-item-checkbox input[type=checkbox]+div{position:relative;padding-left:2em;vertical-align:middle;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;margin:0;color:#000}.multiselect-item-checkbox input[type=checkbox]+div:before{box-sizing:content-box;content:\"\";color:#337ab7;position:absolute;top:50%;left:0;width:14px;height:14px;margin-top:-9px;border:2px solid #337ab7;text-align:center;transition:.4s}.multiselect-item-checkbox input[type=checkbox]+div:after{box-sizing:content-box;content:\"\";position:absolute;transform:scale(0);transform-origin:50%;transition:transform .2s ease-out;background-color:transparent;top:50%;left:4px;width:8px;height:3px;margin-top:-4px;border-style:solid;border-color:#fff;border-width:0 0 3px 3px;-o-border-image:none;border-image:none;transform:rotate(-45deg) scale(0)}.multiselect-item-checkbox input[type=checkbox]:disabled+div:before{border-color:#ccc}.multiselect-item-checkbox input[type=checkbox]:disabled:focus+div:before .multiselect-item-checkbox input[type=checkbox]:disabled:hover+div:before{background-color:inherit}.multiselect-item-checkbox input[type=checkbox]:disabled:checked+div:before{background-color:#ccc}.multiselect-item-checkbox input[type=checkbox]:checked+div:after{content:\"\";transition:transform .2s ease-out;transform:rotate(-45deg) scale(1)}.multiselect-item-checkbox input[type=checkbox]:checked+div:before{-webkit-animation:.2s ease-in borderscale;animation:.2s ease-in borderscale;background:#337ab7}@-webkit-keyframes borderscale{50%{box-shadow:0 0 0 2px #337ab7}}@keyframes borderscale{50%{box-shadow:0 0 0 2px #337ab7}}"]
    })
], MultiSelectComponent);

let ClickOutsideDirective = class ClickOutsideDirective {
    constructor(_elementRef) {
        this._elementRef = _elementRef;
        this.clickOutside = new EventEmitter();
    }
    onClick(event, targetElement) {
        if (!targetElement) {
            return;
        }
        const clickedInside = this._elementRef.nativeElement.contains(targetElement);
        if (!clickedInside) {
            this.clickOutside.emit(event);
        }
    }
};
ClickOutsideDirective.ctorParameters = () => [
    { type: ElementRef }
];
__decorate([
    Output()
], ClickOutsideDirective.prototype, "clickOutside", void 0);
__decorate([
    HostListener('document:click', ['$event', '$event.target'])
], ClickOutsideDirective.prototype, "onClick", null);
ClickOutsideDirective = __decorate([
    Directive({
        selector: '[clickOutside]'
    })
], ClickOutsideDirective);

var NgMultiSelectDropDownModule_1;
let NgMultiSelectDropDownModule = NgMultiSelectDropDownModule_1 = class NgMultiSelectDropDownModule {
    static forRoot() {
        return {
            ngModule: NgMultiSelectDropDownModule_1
        };
    }
};
NgMultiSelectDropDownModule = NgMultiSelectDropDownModule_1 = __decorate([
    NgModule({
        imports: [CommonModule, FormsModule],
        declarations: [MultiSelectComponent, ClickOutsideDirective, ListFilterPipe],
        providers: [ListFilterPipe],
        exports: [MultiSelectComponent]
    })
], NgMultiSelectDropDownModule);

/**
 * Generated bundle index. Do not edit.
 */

export { MultiSelectComponent, NgMultiSelectDropDownModule, DROPDOWN_CONTROL_VALUE_ACCESSOR as ɵa, ListFilterPipe as ɵb, ClickOutsideDirective as ɵc };
//# sourceMappingURL=ng-multiselect-dropdown.js.map