angular-dual-listbox
Version:
Angular dual listbox
616 lines (607 loc) • 31.8 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common'), require('@angular/forms')) :
typeof define === 'function' && define.amd ? define('angular-dual-listbox', ['exports', '@angular/core', '@angular/common', '@angular/forms'], factory) :
(global = global || self, factory(global['angular-dual-listbox'] = {}, global.ng.core, global.ng.common, global.ng.forms));
}(this, (function (exports, core, common, forms) { 'use strict';
var BasicList = /** @class */ (function () {
function BasicList(name) {
this._name = name;
this.last = null;
this.picker = '';
this.dragStart = false;
this.dragOver = false;
// Arrays will contain objects of { _id, _name }.
this.pick = [];
this.list = [];
this.sift = [];
}
Object.defineProperty(BasicList.prototype, "name", {
get: function () {
return this._name;
},
enumerable: false,
configurable: true
});
return BasicList;
}());
var nextId = 0;
var DualListComponent = /** @class */ (function () {
function DualListComponent(differs) {
this.differs = differs;
this.id = "dual-list-" + nextId++;
this.key = '_id';
this.display = '_name';
this.height = '100px';
this.filter = false;
this.format = DualListComponent.DEFAULT_FORMAT;
this.sort = false;
this.disabled = false;
this.destinationChange = new core.EventEmitter();
this.sorter = function (a, b) { return (a._name < b._name) ? -1 : ((a._name > b._name) ? 1 : 0); };
this.available = new BasicList(DualListComponent.AVAILABLE_LIST_NAME);
this.confirmed = new BasicList(DualListComponent.CONFIRMED_LIST_NAME);
}
DualListComponent.prototype.ngOnChanges = function (changeRecord) {
if (changeRecord['filter']) {
if (changeRecord['filter'].currentValue === false) {
this.clearFilter(this.available);
this.clearFilter(this.confirmed);
}
}
if (changeRecord['sort']) {
if (changeRecord['sort'].currentValue === true && this.compare === undefined) {
this.compare = this.sorter;
}
else if (changeRecord['sort'].currentValue === false) {
this.compare = undefined;
}
}
if (changeRecord['format']) {
this.format = changeRecord['format'].currentValue;
if (typeof (this.format.direction) === 'undefined') {
this.format.direction = DualListComponent.LTR;
}
if (typeof (this.format.add) === 'undefined') {
this.format.add = DualListComponent.DEFAULT_FORMAT.add;
}
if (typeof (this.format.remove) === 'undefined') {
this.format.remove = DualListComponent.DEFAULT_FORMAT.remove;
}
if (typeof (this.format.all) === 'undefined') {
this.format.all = DualListComponent.DEFAULT_FORMAT.all;
}
if (typeof (this.format.none) === 'undefined') {
this.format.none = DualListComponent.DEFAULT_FORMAT.none;
}
if (typeof (this.format.draggable) === 'undefined') {
this.format.draggable = DualListComponent.DEFAULT_FORMAT.draggable;
}
}
if (changeRecord['source']) {
this.available = new BasicList(DualListComponent.AVAILABLE_LIST_NAME);
this.updatedSource();
this.updatedDestination();
}
if (changeRecord['destination']) {
this.confirmed = new BasicList(DualListComponent.CONFIRMED_LIST_NAME);
this.updatedDestination();
this.updatedSource();
}
};
DualListComponent.prototype.ngDoCheck = function () {
if (this.source && this.buildAvailable(this.source)) {
this.onFilter(this.available);
}
if (this.destination && this.buildConfirmed(this.destination)) {
this.onFilter(this.confirmed);
}
};
DualListComponent.prototype.buildAvailable = function (source) {
var _this = this;
var sourceChanges = this.sourceDiffer.diff(source);
if (sourceChanges) {
sourceChanges.forEachRemovedItem(function (r) {
var idx = _this.findItemIndex(_this.available.list, r.item, _this.key);
if (idx !== -1) {
_this.available.list.splice(idx, 1);
}
});
sourceChanges.forEachAddedItem(function (r) {
// Do not add duplicates even if source has duplicates.
if (_this.findItemIndex(_this.available.list, r.item, _this.key) === -1) {
_this.available.list.push({ _id: _this.makeId(r.item), _name: _this.makeName(r.item) });
}
});
if (this.compare !== undefined) {
this.available.list.sort(this.compare);
}
this.available.sift = this.available.list;
return true;
}
return false;
};
DualListComponent.prototype.buildConfirmed = function (destination) {
var _this = this;
var moved = false;
var destChanges = this.destinationDiffer.diff(destination);
if (destChanges) {
destChanges.forEachRemovedItem(function (r) {
var idx = _this.findItemIndex(_this.confirmed.list, r.item, _this.key);
if (idx !== -1) {
if (!_this.isItemSelected(_this.confirmed.pick, _this.confirmed.list[idx])) {
_this.selectItem(_this.confirmed.pick, _this.confirmed.list[idx]);
}
_this.moveItem(_this.confirmed, _this.available, _this.confirmed.list[idx], false);
moved = true;
}
});
destChanges.forEachAddedItem(function (r) {
var idx = _this.findItemIndex(_this.available.list, r.item, _this.key);
if (idx !== -1) {
if (!_this.isItemSelected(_this.available.pick, _this.available.list[idx])) {
_this.selectItem(_this.available.pick, _this.available.list[idx]);
}
_this.moveItem(_this.available, _this.confirmed, _this.available.list[idx], false);
moved = true;
}
});
if (this.compare !== undefined) {
this.confirmed.list.sort(this.compare);
}
this.confirmed.sift = this.confirmed.list;
if (moved) {
this.trueUp();
}
return true;
}
return false;
};
DualListComponent.prototype.updatedSource = function () {
this.available.list.length = 0;
this.available.pick.length = 0;
if (this.source !== undefined) {
this.sourceDiffer = this.differs.find(this.source).create(null);
}
};
DualListComponent.prototype.updatedDestination = function () {
if (this.destination !== undefined) {
this.destinationDiffer = this.differs.find(this.destination).create(null);
}
};
DualListComponent.prototype.direction = function () {
return this.format.direction === DualListComponent.LTR;
};
DualListComponent.prototype.dragEnd = function (list) {
if (list === void 0) { list = null; }
if (list) {
list.dragStart = false;
}
else {
this.available.dragStart = false;
this.confirmed.dragStart = false;
}
return false;
};
DualListComponent.prototype.drag = function (event, item, list) {
if (!this.isItemSelected(list.pick, item)) {
this.selectItem(list.pick, item);
}
list.dragStart = true;
// Set a custom type to be this dual-list's id.
event.dataTransfer.setData(this.id, item['_id']);
};
DualListComponent.prototype.allowDrop = function (event, list) {
if (event.dataTransfer.types.length && (event.dataTransfer.types[0] === this.id)) {
event.preventDefault();
if (!list.dragStart) {
list.dragOver = true;
}
}
return false;
};
DualListComponent.prototype.dragLeave = function () {
this.available.dragOver = false;
this.confirmed.dragOver = false;
};
DualListComponent.prototype.drop = function (event, list) {
if (event.dataTransfer.types.length && (event.dataTransfer.types[0] === this.id)) {
event.preventDefault();
this.dragLeave();
this.dragEnd();
if (list === this.available) {
this.moveItem(this.available, this.confirmed);
}
else {
this.moveItem(this.confirmed, this.available);
}
}
};
DualListComponent.prototype.trueUp = function () {
var _this = this;
var changed = false;
// Clear removed items.
var pos = this.destination.length;
while ((pos -= 1) >= 0) {
var mv = this.confirmed.list.filter(function (conf) {
if (typeof _this.destination[pos] === 'object') {
return conf._id === _this.destination[pos][_this.key];
}
else {
return conf._id === _this.destination[pos];
}
});
if (mv.length === 0) {
// Not found so remove.
this.destination.splice(pos, 1);
changed = true;
}
}
var _loop_1 = function (i, len) {
var mv = this_1.destination.filter(function (d) {
if (typeof d === 'object') {
return (d[_this.key] === _this.confirmed.list[i]._id);
}
else {
return (d === _this.confirmed.list[i]._id);
}
});
if (mv.length === 0) {
// Not found so add.
mv = this_1.source.filter(function (o) {
if (typeof o === 'object') {
return (o[_this.key] === _this.confirmed.list[i]._id);
}
else {
return (o === _this.confirmed.list[i]._id);
}
});
if (mv.length > 0) {
this_1.destination.push(mv[0]);
changed = true;
}
}
};
var this_1 = this;
// Push added items.
for (var i = 0, len = this.confirmed.list.length; i < len; i += 1) {
_loop_1(i, len);
}
if (changed) {
this.destinationChange.emit(this.destination);
}
};
DualListComponent.prototype.findItemIndex = function (list, item, key) {
if (key === void 0) { key = '_id'; }
var idx = -1;
function matchObject(e) {
if (e._id === item[key]) {
idx = list.indexOf(e);
return true;
}
return false;
}
function match(e) {
if (e._id === item) {
idx = list.indexOf(e);
return true;
}
return false;
}
// Assumption is that the arrays do not have duplicates.
if (typeof item === 'object') {
list.filter(matchObject);
}
else {
list.filter(match);
}
return idx;
};
DualListComponent.prototype.makeUnavailable = function (source, item) {
var idx = source.list.indexOf(item);
if (idx !== -1) {
source.list.splice(idx, 1);
}
};
DualListComponent.prototype.moveItem = function (source, target, item, trueup) {
var _this = this;
if (item === void 0) { item = null; }
if (trueup === void 0) { trueup = true; }
var i = 0;
var len = source.pick.length;
if (item) {
i = source.list.indexOf(item);
len = i + 1;
}
var _loop_2 = function () {
// Is the pick still in list?
var mv = [];
if (item) {
var idx = this_2.findItemIndex(source.pick, item);
if (idx !== -1) {
mv[0] = source.pick[idx];
}
}
else {
mv = source.list.filter(function (src) {
return (src._id === source.pick[i]._id);
});
}
// Should only ever be 1
if (mv.length === 1) {
// Add if not already in target.
if (target.list.filter(function (trg) { return trg._id === mv[0]._id; }).length === 0) {
target.list.push(mv[0]);
}
this_2.makeUnavailable(source, mv[0]);
}
};
var this_2 = this;
for (; i < len; i += 1) {
_loop_2();
}
if (this.compare !== undefined) {
target.list.sort(this.compare);
}
source.pick.length = 0;
// Update destination
if (trueup) {
this.trueUp();
}
// Delay ever-so-slightly to prevent race condition.
setTimeout(function () {
_this.onFilter(source);
_this.onFilter(target);
}, 10);
};
DualListComponent.prototype.isItemSelected = function (list, item) {
if (list.filter(function (e) { return Object.is(e, item); }).length > 0) {
return true;
}
return false;
};
DualListComponent.prototype.shiftClick = function (event, index, source, item) {
if (event.shiftKey && source.last && !Object.is(item, source.last)) {
var idx = source.sift.indexOf(source.last);
if (index > idx) {
for (var i = (idx + 1); i < index; i += 1) {
this.selectItem(source.pick, source.sift[i]);
}
}
else if (idx !== -1) {
for (var i = (index + 1); i < idx; i += 1) {
this.selectItem(source.pick, source.sift[i]);
}
}
}
source.last = item;
};
DualListComponent.prototype.selectItem = function (list, item) {
var pk = list.filter(function (e) {
return Object.is(e, item);
});
if (pk.length > 0) {
// Already in list, so deselect.
for (var i = 0, len = pk.length; i < len; i += 1) {
var idx = list.indexOf(pk[i]);
if (idx !== -1) {
list.splice(idx, 1);
}
}
}
else {
list.push(item);
}
};
DualListComponent.prototype.selectAll = function (source) {
source.pick.length = 0;
source.pick = source.sift.slice(0);
};
DualListComponent.prototype.selectNone = function (source) {
source.pick.length = 0;
};
DualListComponent.prototype.isAllSelected = function (source) {
if (source.list.length === 0 || source.list.length === source.pick.length) {
return true;
}
return false;
};
DualListComponent.prototype.isAnySelected = function (source) {
if (source.pick.length > 0) {
return true;
}
return false;
};
DualListComponent.prototype.unpick = function (source) {
for (var i = source.pick.length - 1; i >= 0; i -= 1) {
if (source.sift.indexOf(source.pick[i]) === -1) {
source.pick.splice(i, 1);
}
}
};
DualListComponent.prototype.clearFilter = function (source) {
if (source) {
source.picker = '';
this.onFilter(source);
}
};
DualListComponent.prototype.onFilter = function (source) {
var _this = this;
if (source.picker.length > 0) {
try {
var filtered = source.list.filter(function (item) {
if (Object.prototype.toString.call(item) === '[object Object]') {
if (item._name !== undefined) {
// @ts-ignore: remove when d.ts has locale as an argument.
return item._name.toLocaleLowerCase(_this.format.locale).indexOf(source.picker.toLocaleLowerCase(_this.format.locale)) !== -1;
}
else {
// @ts-ignore: remove when d.ts has locale as an argument.
return JSON.stringify(item).toLocaleLowerCase(_this.format.locale).indexOf(source.picker.toLocaleLowerCase(_this.format.locale)) !== -1;
}
}
else {
// @ts-ignore: remove when d.ts has locale as an argument.
return item.toLocaleLowerCase(_this.format.locale).indexOf(source.picker.toLocaleLowerCase(_this.format.locale)) !== -1;
}
});
source.sift = filtered;
this.unpick(source);
}
catch (e) {
if (e instanceof RangeError) {
this.format.locale = undefined;
}
source.sift = source.list;
}
}
else {
source.sift = source.list;
}
};
DualListComponent.prototype.makeId = function (item) {
if (typeof item === 'object') {
return item[this.key];
}
else {
return item;
}
};
// Allow for complex names by passing an array of strings.
// Example: [display]="[ '_type.substring(0,1)', '_name' ]"
DualListComponent.prototype.makeName = function (item, separator) {
if (separator === void 0) { separator = '_'; }
var display = this.display;
function fallback(itm) {
switch (Object.prototype.toString.call(itm)) {
case '[object Number]':
return itm;
case '[object String]':
return itm;
default:
if (itm !== undefined) {
return itm[display];
}
else {
return 'undefined';
}
}
}
var str = '';
if (this.display !== undefined) {
switch (Object.prototype.toString.call(this.display)) {
case '[object Function]':
str = this.display(item);
break;
case '[object Array]':
for (var i = 0, len = this.display.length; i < len; i += 1) {
if (str.length > 0) {
str = str + separator;
}
if (this.display[i].indexOf('.') === -1) {
// Simple, just add to string.
str = str + item[this.display[i]];
}
else {
// Complex, some action needs to be performed
var parts = this.display[i].split('.');
var s = item[parts[0]];
if (s) {
// Use brute force
if (parts[1].indexOf('substring') !== -1) {
var nums = (parts[1].substring(parts[1].indexOf('(') + 1, parts[1].indexOf(')'))).split(',');
switch (nums.length) {
case 1:
str = str + s.substring(parseInt(nums[0], 10));
break;
case 2:
str = str + s.substring(parseInt(nums[0], 10), parseInt(nums[1], 10));
break;
default:
str = str + s;
break;
}
}
else {
// method not approved, so just add s.
str = str + s;
}
}
}
}
break;
default:
str = fallback(item);
break;
}
}
else {
str = fallback(item);
}
return str;
};
return DualListComponent;
}());
DualListComponent.AVAILABLE_LIST_NAME = 'available';
DualListComponent.CONFIRMED_LIST_NAME = 'confirmed';
DualListComponent.LTR = 'left-to-right';
DualListComponent.RTL = 'right-to-left';
DualListComponent.DEFAULT_FORMAT = {
add: 'Add',
remove: 'Remove',
all: 'All',
none: 'None',
direction: DualListComponent.LTR,
draggable: true,
locale: undefined
};
DualListComponent.decorators = [
{ type: core.Component, args: [{
selector: 'dual-list',
template: "<div class=\"dual-list\">\n\t<div class=\"listbox\" [ngStyle]=\"{ 'order' : direction() ? 1 : 2, 'margin-left' : direction() ? 0 : '10px' }\">\n\t\t<button type=\"button\" name=\"addBtn\" class=\"btn btn-primary btn-block\"\n\t\t\t(click)=\"moveItem(available, confirmed)\" [ngClass]=\"direction() ? 'point-right' : 'point-left'\"\n\t\t\t[disabled]=\"available.pick.length === 0\">{{format.add}}</button>\n\n\t\t<form *ngIf=\"filter\" class=\"filter\">\n\t\t\t<input class=\"form-control\" name=\"filterSource\" [(ngModel)]=\"available.picker\" (ngModelChange)=\"onFilter(available)\">\n\t\t</form>\n\n\t\t<div class=\"record-picker\">\n\t\t\t<ul [ngStyle]=\"{'max-height': height, 'min-height': height}\" [ngClass]=\"{over:available.dragOver}\"\n\t\t\t\t(drop)=\"drop($event, confirmed)\" (dragover)=\"allowDrop($event, available)\" (dragleave)=\"dragLeave()\">\n\t\t\t\t<li *ngFor=\"let item of available.sift; let idx=index;\"\n\t\t\t\t\t(click)=\"disabled ? null : selectItem(available.pick, item); shiftClick($event, idx, available, item)\"\n\t\t\t\t\t[ngClass]=\"{selected: isItemSelected(available.pick, item), disabled: disabled}\"\n\t\t\t\t\t[draggable]=\"!disabled && format.draggable\" (dragstart)=\"drag($event, item, available)\" (dragend)=\"dragEnd(available)\"\n\t\t\t\t><label>{{item._name}}</label></li>\n\t\t\t</ul>\n\t\t</div>\n\n\t\t<div class=\"button-bar\">\n\t\t\t<button type=\"button\" class=\"btn btn-primary pull-left\" (click)=\"selectAll(available)\"\n\t\t\t\t[disabled]=\"disabled || isAllSelected(available)\">{{format.all}}</button>\n\t\t\t<button type=\"button\" class=\"btn btn-default pull-right\" (click)=\"selectNone(available)\"\n\t\t\t\t[disabled]=\"!isAnySelected(available)\">{{format.none}}</button>\n\t\t</div>\n\t</div>\n\n\t<div class=\"listbox\" [ngStyle]=\"{ 'order' : direction() ? 2 : 1, 'margin-left' : direction() ? '10px' : 0 }\">\n\t\t<button type=\"button\" name=\"removeBtn\" class=\"btn btn-primary btn-block\"\n\t\t\t(click)=\"moveItem(confirmed, available)\" [ngClass]=\"direction() ? 'point-left' : 'point-right'\"\n\t\t\t[disabled]=\"confirmed.pick.length === 0\">{{format.remove}}</button>\n\n\t\t<form *ngIf=\"filter\" class=\"filter\">\n\t\t\t<input class=\"form-control\" name=\"filterDestination\" [(ngModel)]=\"confirmed.picker\" (ngModelChange)=\"onFilter(confirmed)\">\n\t\t</form>\n\n\t\t<div class=\"record-picker\">\n\t\t\t<ul [ngStyle]=\"{'max-height': height, 'min-height': height}\" [ngClass]=\"{over:confirmed.dragOver}\"\n\t\t\t\t(drop)=\"drop($event, available)\" (dragover)=\"allowDrop($event, confirmed)\" (dragleave)=\"dragLeave()\">\n\t\t\t\t<li #itmConf *ngFor=\"let item of confirmed.sift; let idx=index;\"\n\t\t\t\t\t(click)=\"disabled ? null : selectItem(confirmed.pick, item); shiftClick($event, idx, confirmed, item)\"\n\t\t\t\t\t[ngClass]=\"{selected: isItemSelected(confirmed.pick, item), disabled: disabled}\"\n\t\t\t\t\t[draggable]=\"!disabled && format.draggable\" (dragstart)=\"drag($event, item, confirmed)\" (dragend)=\"dragEnd(confirmed)\"\n\t\t\t\t><label>{{item._name}}</label></li>\n\t\t\t</ul>\n\t\t</div>\n\n\t\t<div class=\"button-bar\">\n\t\t\t<button type=\"button\" class=\"btn btn-primary pull-left\" (click)=\"selectAll(confirmed)\"\n\t\t\t\t[disabled]=\"disabled || isAllSelected(confirmed)\">{{format.all}}</button>\n\t\t\t<button type=\"button\" class=\"btn btn-default pull-right\" (click)=\"selectNone(confirmed)\"\n\t\t\t\t[disabled]=\"!isAnySelected(confirmed)\">{{format.none}}</button>\n\t\t</div>\n\t</div>\n</div>\n",
styles: ["div.record-picker{border:1px solid #ddd;border-radius:8px;cursor:pointer;overflow-x:hidden;overflow-y:auto;position:relative}div.record-picker::-webkit-scrollbar{width:12px}div.record-picker::-webkit-scrollbar-button{height:0;width:0}div.record-picker{scrollbar-3dlight-color:#337ab7;scrollbar-arrow-color:grey;scrollbar-base-color:#337ab7;scrollbar-dark-shadow-color:grey;scrollbar-highlight-color:#337ab7;scrollbar-shadow-color:grey;scrollbar-track-color:#eee}div.record-picker::-webkit-scrollbar-track{background:#eee;border-bottom-right-radius:8px;border-top-right-radius:8px;box-shadow:inset 0 0 3px #dfdfdf}div.record-picker::-webkit-scrollbar-thumb{background:#337ab7;border:thin solid grey;border-bottom-right-radius:8px;border-top-right-radius:8px}div.record-picker::-webkit-scrollbar-thumb:hover{background:#286090}.record-picker ul{margin:0;padding:0 0 1px}.record-picker li{border-bottom:1px solid #ddd;border-top:thin solid #ddd;cursor:pointer;display:block;font-size:.85em;margin-bottom:-1px;min-height:16px;padding:2px 2px 2px 10px;white-space:nowrap}.record-picker li:hover{background-color:#f5f5f5}.record-picker li.selected{background-color:#d9edf7}.record-picker li.selected:hover{background-color:#c4e3f3}.record-picker li.disabled{background-color:inherit;cursor:default;opacity:.5}.record-picker li:first-child{border-top:none;border-top-left-radius:8px;border-top-right-radius:8px}.record-picker li:last-child{border-bottom:none;border-bottom-left-radius:8px;border-bottom-right-radius:8px}.record-picker label{-moz-user-select:none;-ms-user-select:none;-webkit-touch-callout:none;-webkit-user-select:none;cursor:pointer;font-size:14px;font-weight:inherit;margin-bottom:-1px;padding:4px;user-select:none}.record-picker ul.over{background-color:#d3d3d3}.dual-list{align-content:flex-start;display:flex;flex-direction:row}.dual-list .listbox{margin:0;width:50%}.dual-list .button-bar{margin-top:8px}.point-right:after{content:\"\\25B6\";padding-left:1em}.point-left:before{content:\"\\25C0\";padding-right:1em}.dual-list .button-bar button{width:47%}button.btn-block{display:block;margin-bottom:8px;width:100%}.filter{margin-bottom:-2.2em}.filter:after{background-image:url('data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 512 512\"><path d=\"M0 64l192 192v192l128-32V256L512 64H0z\"/></svg>');background-position:50%;background-repeat:no-repeat;color:transparent;content:\"o\";font-size:2em;left:calc(100% - 21px);opacity:.2;position:relative;top:-36px;width:40px}"]
},] }
];
DualListComponent.ctorParameters = function () { return [
{ type: core.IterableDiffers }
]; };
DualListComponent.propDecorators = {
id: [{ type: core.Input }],
key: [{ type: core.Input }],
display: [{ type: core.Input }],
height: [{ type: core.Input }],
filter: [{ type: core.Input }],
format: [{ type: core.Input }],
sort: [{ type: core.Input }],
compare: [{ type: core.Input }],
disabled: [{ type: core.Input }],
source: [{ type: core.Input }],
destination: [{ type: core.Input }],
destinationChange: [{ type: core.Output }]
};
var AngularDualListBoxModule = /** @class */ (function () {
function AngularDualListBoxModule() {
}
return AngularDualListBoxModule;
}());
AngularDualListBoxModule.decorators = [
{ type: core.NgModule, args: [{
imports: [
common.CommonModule,
forms.FormsModule
],
declarations: [DualListComponent],
exports: [DualListComponent]
},] }
];
/*
* Public API Surface of angular-dual-listbox
*/
/**
* Generated bundle index. Do not edit.
*/
exports.AngularDualListBoxModule = AngularDualListBoxModule;
exports.BasicList = BasicList;
exports.DualListComponent = DualListComponent;
Object.defineProperty(exports, '__esModule', { value: true });
})));
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