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/*!
* jQuery ComboTree Plugin
* Author: Erhan FIRAT
* Mail: erhanfirat@gmail.com
* Licensed under the MIT license
* Version: 1.2.1
*/
;(function ( $, window, document, undefined ) {
// Default settings
var comboTreePlugin = 'comboTree',
defaults = {
source: [],
isMultiple: false,
cascadeSelect: false,
selected: [],
collapse: false
};
// LIFE CYCLE
function ComboTree( element, options ) {
this.options = $.extend( {}, defaults, options) ;
this._defaults = defaults;
this._name = comboTreePlugin;
this.constructorFunc(element, options);
}
ComboTree.prototype.constructorFunc = function(element, options){
this.elemInput = element;
this._elemInput = $(element);
this.init();
}
ComboTree.prototype.init = function () {
// Setting Doms
this.comboTreeId = 'comboTree' + Math.floor(Math.random() * 999999);
this._elemInput.addClass('comboTreeInputBox');
if (this._elemInput.attr('id') === undefined)
this._elemInput.attr('id', this.comboTreeId + 'Input');
this.elemInputId = this._elemInput.attr('id');
this._elemInput.wrap('<div id="'+ this.comboTreeId + 'Wrapper" class="comboTreeWrapper"></div>');
this._elemInput.wrap('<div id="'+ this.comboTreeId + 'InputWrapper" class="comboTreeInputWrapper"></div>');
this._elemWrapper = $('#' + this.comboTreeId + 'Wrapper');
this._elemArrowBtn = $('<div id="' + this.comboTreeId + 'ArrowBtn" class="comboTreeArrowBtn" type="button"><span class="comboTreeArrowBtnImg">▼</span></div>');
this._elemInput.after(this._elemArrowBtn);
this._elemWrapper.append('<div id="' + this.comboTreeId + 'DropDownContainer" class="comboTreeDropDownContainer"><div class="comboTreeDropDownContent"></div>');
// DORP DOWN AREA
this._elemDropDownContainer = $('#' + this.comboTreeId + 'DropDownContainer');
this._elemDropDownContainer.html(this.createSourceHTML());
this._elemFilterInput = this.options.isMultiple ? $('#' + this.comboTreeId + 'MultiFilter') : null;
this._elemSourceUl = $('#' + this.comboTreeId + 'ComboTreeSourceUl');
this._elemItems = this._elemDropDownContainer.find('li');
this._elemItemsTitle = this._elemDropDownContainer.find('span.comboTreeItemTitle');
// VARIABLES
this._selectedItem = {};
this._selectedItems = [];
this.processSelected();
this.bindings();
};
ComboTree.prototype.unbind = function () {
this._elemArrowBtn.off('click');
this._elemInput.off('click');
this._elemItems.off('click');
this._elemItemsTitle.off('click');
this._elemItemsTitle.off("mousemove");
this._elemInput.off('keyup');
this._elemInput.off('keydown');
this._elemInput.off('mouseup.' + this.comboTreeId);
$(document).off('mouseup.' + this.comboTreeId);
}
ComboTree.prototype.destroy = function () {
this.unbind();
this._elemWrapper.before(this._elemInput);
this._elemWrapper.remove();
//this._elemInput.removeData('plugin_' + comboTreePlugin);
}
// CREATE DOM HTMLs
ComboTree.prototype.removeSourceHTML = function () {
this._elemDropDownContainer.html('');
};
ComboTree.prototype.createSourceHTML = function () {
var sourceHTML = '';
if (this.options.isMultiple)
sourceHTML = this.createFilterHTMLForMultiSelect();
sourceHTML += this.createSourceSubItemsHTML(this.options.source);
return sourceHTML;
};
ComboTree.prototype.createFilterHTMLForMultiSelect = function (){
return '<input id="' + this.comboTreeId + 'MultiFilter" type="text" class="multiplesFilter" placeholder="Type to filter"/>';
}
ComboTree.prototype.createSourceSubItemsHTML = function (subItems, parentId) {
var subItemsHtml = '<UL id="' + this.comboTreeId + 'ComboTreeSourceUl' + (parentId ? parentId : 'main' ) + '" style="' + ((this.options.collapse && parentId) ? 'display:none;' : '') + '">';
for (var i=0; i<subItems.length; i++){
subItemsHtml += this.createSourceItemHTML(subItems[i]);
}
subItemsHtml += '</UL>'
return subItemsHtml;
}
ComboTree.prototype.createSourceItemHTML = function (sourceItem) {
var itemHtml = "",
isThereSubs = sourceItem.hasOwnProperty("subs");
itemHtml = '<LI id="' + this.comboTreeId + 'Li' + sourceItem.id + '" class="ComboTreeItem' + (isThereSubs?'Parent':'Chlid') + '"> ';
if (isThereSubs)
itemHtml += '<span class="comboTreeParentPlus">' + (this.options.collapse ? '+' : '−') + '</span>';
if (this.options.isMultiple)
itemHtml += '<span data-id="' + sourceItem.id + '" class="comboTreeItemTitle"><input type="checkbox">' + sourceItem.title + '</span>';
else
itemHtml += '<span data-id="' + sourceItem.id + '" class="comboTreeItemTitle">' + sourceItem.title + '</span>';
if (isThereSubs)
itemHtml += this.createSourceSubItemsHTML(sourceItem.subs, sourceItem.id);
itemHtml += '</LI>';
return itemHtml;
};
// BINDINGS
ComboTree.prototype.bindings = function () {
var _this = this;
$(this._elemInput).focus(function (e) {
if (!_this._elemDropDownContainer.is(':visible'))
$(_this._elemDropDownContainer).slideToggle(100);
});
this._elemArrowBtn.on('click', function(e){
e.stopPropagation();
_this.toggleDropDown();
});
this._elemInput.on('click', function(e){
e.stopPropagation();
if (!_this._elemDropDownContainer.is(':visible'))
_this.toggleDropDown();
});
this._elemItems.on('click', function(e){
e.stopPropagation();
if ($(this).hasClass('ComboTreeItemParent')){
_this.toggleSelectionTree(this);
}
});
this._elemItemsTitle.on('click', function(e){
e.stopPropagation();
if (_this.options.isMultiple)
_this.multiItemClick(this);
else
_this.singleItemClick(this);
});
this._elemItemsTitle.on("mousemove", function (e) {
e.stopPropagation();
_this.dropDownMenuHover(this);
});
// KEY BINDINGS
this._elemInput.on('keyup', function(e) {
e.stopPropagation();
switch (e.keyCode) {
case 27:
_this.closeDropDownMenu(); break;
case 13:
case 39: case 37: case 40: case 38:
e.preventDefault();
break;
default:
if (!_this.options.isMultiple)
_this.filterDropDownMenu();
break;
}
});
this._elemFilterInput && this._elemFilterInput.on('keyup', function (e) {
e.stopPropagation();
switch (e.keyCode) {
case 27:
if ($(this).val()) {
$(this).val('');
_this.filterDropDownMenu();
} else {
_this.closeDropDownMenu();
}
break;
case 40: case 38:
e.preventDefault();
_this.dropDownInputKeyControl(e.keyCode - 39); break;
case 37: case 39:
e.preventDefault();
_this.dropDownInputKeyToggleTreeControl(e.keyCode - 38);
break;
case 13:
_this.multiItemClick(_this._elemHoveredItem);
e.preventDefault();
break;
default:
_this.filterDropDownMenu();
break;
}
});
this._elemInput.on('keydown', function(e) {
e.stopPropagation();
switch (e.keyCode) {
case 9:
_this.closeDropDownMenu(); break;
case 40: case 38:
e.preventDefault();
_this.dropDownInputKeyControl(e.keyCode - 39); break;
case 37: case 39:
e.preventDefault();
_this.dropDownInputKeyToggleTreeControl(e.keyCode - 38);
break;
case 13:
if (_this.options.isMultiple)
_this.multiItemClick(_this._elemHoveredItem);
else
_this.singleItemClick(_this._elemHoveredItem);
e.preventDefault();
break;
default:
if (_this.options.isMultiple)
e.preventDefault();
}
});
// ON FOCUS OUT CLOSE DROPDOWN
$(document).on('mouseup.' + _this.comboTreeId, function (e){
if (!_this._elemWrapper.is(e.target) && _this._elemWrapper.has(e.target).length === 0 && _this._elemDropDownContainer.is(':visible'))
_this.closeDropDownMenu();
});
};
// EVENTS HERE
// DropDown Menu Open/Close
ComboTree.prototype.toggleDropDown = function () {
let _this = this;
$(this._elemDropDownContainer).slideToggle(100, function () {
if (_this._elemDropDownContainer.is(':visible'))
$(_this._elemInput).focus();
});
};
ComboTree.prototype.closeDropDownMenu = function () {
$(this._elemDropDownContainer).slideUp(100);
};
// Selection Tree Open/Close
ComboTree.prototype.toggleSelectionTree = function (item, direction) {
var subMenu = $(item).children('ul')[0];
if (direction === undefined){
if ($(subMenu).is(':visible'))
$(item).children('span.comboTreeParentPlus').html("+");
else
$(item).children('span.comboTreeParentPlus').html("−");
$(subMenu).slideToggle(50);
}
else if (direction == 1 && !$(subMenu).is(':visible')){
$(item).children('span.comboTreeParentPlus').html("−");
$(subMenu).slideDown(50);
}
else if (direction == -1){
if ($(subMenu).is(':visible')){
$(item).children('span.comboTreeParentPlus').html("+");
$(subMenu).slideUp(50);
}
else {
this.dropDownMenuHoverToParentItem(item);
}
}
};
// SELECTION FUNCTIONS
ComboTree.prototype.selectMultipleItem = function(ctItem){
this._selectedItem = {
id: $(ctItem).attr("data-id"),
title: $(ctItem).text()
};
let check = this.isItemInArray(this._selectedItem, this.options.source);
if (check) {
var index = this.isItemInArray(this._selectedItem, this._selectedItems);
if (index) {
this._selectedItems.splice(parseInt(index), 1);
$(ctItem).find("input").prop('checked', false);
} else {
this._selectedItems.push(this._selectedItem);
$(ctItem).find("input").prop('checked', true);
}
}
};
ComboTree.prototype.singleItemClick = function (ctItem) {
this._selectedItem = {
id: $(ctItem).attr("data-id"),
title: $(ctItem).text()
};
this.refreshInputVal();
this.closeDropDownMenu();
};
ComboTree.prototype.multiItemClick = function (ctItem) {
this.selectMultipleItem(ctItem);
if(this.options.cascadeSelect){
if ($(ctItem).parent('li').hasClass('ComboTreeItemParent')){
var subMenu = $(ctItem).parent('li').children('ul').first().find('input[type="checkbox"]');
subMenu.each(function() {
var $input = $(this)
if($(ctItem).children('input[type="checkbox"]').first().prop("checked")!==$input.prop('checked')){
$input.prop('checked', !$(ctItem).children('input[type="checkbox"]').first().prop("checked"));
$input.trigger('click');
}
});
}
}
this.refreshInputVal();
};
// recursive search for item in arr
ComboTree.prototype.isItemInArray = function (item, arr) {
for (var i=0; i<arr.length; i++) {
if (item.id == arr[i].id && item.title == arr[i].title)
return i + "";
if (arr[i].hasOwnProperty("subs")) {
let found = this.isItemInArray(item, arr[i].subs);
if (found)
return found;
}
}
return false;
};
ComboTree.prototype.refreshInputVal = function () {
var tmpTitle = "";
if (this.options.isMultiple) {
for (var i=0; i<this._selectedItems.length; i++){
tmpTitle += this._selectedItems[i].title;
if (i<this._selectedItems.length-1)
tmpTitle += ", ";
}
}
else {
tmpTitle = this._selectedItem.title;
}
this._elemInput.val(tmpTitle);
this._elemInput.trigger('change');
if (this.changeHandler)
this.changeHandler();
};
ComboTree.prototype.dropDownMenuHover = function (itemSpan, withScroll) {
this._elemItems.find('span.comboTreeItemHover').removeClass('comboTreeItemHover');
$(itemSpan).addClass('comboTreeItemHover');
this._elemHoveredItem = $(itemSpan);
if (withScroll)
this.dropDownScrollToHoveredItem(this._elemHoveredItem);
}
ComboTree.prototype.dropDownScrollToHoveredItem = function (itemSpan) {
var curScroll = this._elemSourceUl.scrollTop();
this._elemSourceUl.scrollTop(curScroll + $(itemSpan).parent().position().top - 80);
}
ComboTree.prototype.dropDownMenuHoverToParentItem = function (item) {
var parentSpanItem = $($(item).parents('li.ComboTreeItemParent')[0]).children("span.comboTreeItemTitle");
if (parentSpanItem.length)
this.dropDownMenuHover(parentSpanItem, true);
else
this.dropDownMenuHover(this._elemItemsTitle[0], true);
}
ComboTree.prototype.dropDownInputKeyToggleTreeControl = function (direction) {
var item = this._elemHoveredItem;
if ($(item).parent('li').hasClass('ComboTreeItemParent'))
this.toggleSelectionTree($(item).parent('li'), direction);
else if (direction == -1)
this.dropDownMenuHoverToParentItem(item);
}
ComboTree.prototype.dropDownInputKeyControl = function (step) {
if (!this._elemDropDownContainer.is(":visible"))
this.toggleDropDown();
var list = this._elemItems.find("span.comboTreeItemTitle:visible");
i = this._elemHoveredItem?list.index(this._elemHoveredItem) + step:0;
i = (list.length + i) % list.length;
this.dropDownMenuHover(list[i], true);
},
ComboTree.prototype.filterDropDownMenu = function () {
var searchText = '';
if (!this.options.isMultiple)
searchText = this._elemInput.val();
else
searchText = $("#" + this.comboTreeId + "MultiFilter").val();
if (searchText != ""){
this._elemItemsTitle.hide();
this._elemItemsTitle.siblings("span.comboTreeParentPlus").hide();
list = this._elemItems
.filter((index, item) => {
return item.innerHTML.toLowerCase().indexOf(searchText.toLowerCase()) != -1;
})
.each(function (i, elem) {
$(this.children).show()
$(this).siblings("span.comboTreeParentPlus").show();
});
}
else{
this._elemItemsTitle.show();
this._elemItemsTitle.siblings("span.comboTreeParentPlus").show();
}
}
ComboTree.prototype.processSelected = function () {
let elements = this._elemItemsTitle;
let selectedItem = this._selectedItem;
let selectedItems = this._selectedItems;
this.options.selected.forEach(function(element) {
let selected = $(elements).filter(function(){
return $(this).data('id') == element;
});
if(selected.length > 0){
$(selected).find('input').attr('checked', true);
selectedItem = {
id: selected.data("id"),
title: selected.text()
};
selectedItems.push(selectedItem);
}
});
//Without this it doesn't work
this._selectedItem = selectedItem;
this.refreshInputVal();
};
// METHODS
ComboTree.prototype.findItembyId = function(itemId, source) {
if (itemId && source) {
for (let i=0; i<source.length; i++) {
if (source[i].id == itemId)
return {id: source[i].id, title: source[i].title};
if (source[i].hasOwnProperty("subs")) {
let found = this.findItembyId(itemId, source[i].subs);
if (found)
return found;
}
}
}
return null;
}
// Returns selected id array or null
ComboTree.prototype.getSelectedIds = function () {
if (this.options.isMultiple && this._selectedItems.length>0){
var tmpArr = [];
for (i=0; i<this._selectedItems.length; i++)
tmpArr.push(this._selectedItems[i].id);
return tmpArr;
}
else if (!this.options.isMultiple && this._selectedItem.hasOwnProperty('id')){
return [this._selectedItem.id];
}
return null;
};
// Retuns Array (multiple), Integer (single), or False (No choice)
ComboTree.prototype.getSelectedNames = function () {
if (this.options.isMultiple && this._selectedItems.length>0){
var tmpArr = [];
for (i=0; i<this._selectedItems.length; i++)
tmpArr.push(this._selectedItems[i].title);
return tmpArr;
}
else if (!this.options.isMultiple && this._selectedItem.hasOwnProperty('id')){
return this._selectedItem.title;
}
return null;
};
ComboTree.prototype.setSource = function(source) {
this._selectedItems = [];
this.destroy();
this.options.source = source;
this.constructorFunc(this.elemInput, this.options);
};
ComboTree.prototype.clearSelection = function() {
for (i=0; i<this._selectedItems.length; i++) {
let itemElem = $("#" + this.comboTreeId + 'Li' + this._selectedItems[i].id);
$(itemElem).find("input").prop('checked', false);
}
this._selectedItems = [];
this.refreshInputVal();
};
ComboTree.prototype.setSelection = function (selectionIdList) {
if (selectionIdList && selectionIdList.length && selectionIdList.length > 0) {
for (let i = 0; i < selectionIdList.length; i++) {
let selectedItem = this.findItembyId(selectionIdList[i], this.options.source);
if (selectedItem) {
let check = this.isItemInArray(selectedItem, this.options.source);
if (check) {
var index = this.isItemInArray(selectedItem, this._selectedItems);
if (!index) {
let selectedItemElem = $("#" + this.comboTreeId + 'Li' + selectionIdList[i]);
this._selectedItems.push(selectedItem);
$(selectedItemElem).find("input").prop('checked', true);
}
}
}
}
}
this.refreshInputVal();
};
// EVENTS
ComboTree.prototype.onChange = function(callBack) {
if (callBack && typeof callBack === "function")
this.changeHandler = callBack;
};
// -----
$.fn[comboTreePlugin] = function (options) {
var ctArr = [];
this.each(function () {
if (!$.data(this, 'plugin_' + comboTreePlugin)) {
$.data(this, 'plugin_' + comboTreePlugin, new ComboTree( this, options));
ctArr.push($(this).data()['plugin_' + comboTreePlugin]);
}
});
if (this.length == 1)
return ctArr[0];
else
return ctArr;
}
})( jQuery, window, document );