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omnigrid.js
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// Author: Marko Šantić
// Web: http://www.omnisdata.com/omnigrid
// Email: [email protected]
// Company: Omnisdata Ltd.
// Licence: Creative Commons Attribution 3.0 Unported License, http://creativecommons.org/licenses/by/3.0/
// If you copy, distribute or transmit the source code please retain the above copyright notice, author name and project URL.
// Required: Mootools 1.2
// Version: OmniGrid 1.2.5
// ****************************************************************************
var omniGrid = new Class({
Implements: [Events,Options],
getOptions: function(){
return {
alternaterows: true,
showHeader:true,
sortHeader:false,
resizeColumns:true,
selectable:true,
serverSort:true,
sortOn: null,
sortBy: 'ASC',
filterHide: true,
filterHideCls: 'hide',
filterSelectedCls: 'filter',
multipleSelection:true,
// accordion
accordion:false,
accordionRenderer:null,
autoSectionToggle:true, // if true just one section can be open/visible
// pagination
url:null,
pagination:false,
page:1,
perPageOptions: [10, 20, 50, 100, 200],
perPage:10
};
},
initialize: function(container, options){
this.setOptions(this.getOptions(), options);
this.container = $(container);
if (!this.container)
return;
this.draw();
this.reset();
this.loadData();
},
// API
reset: function(){
this.renderData();
this.refreshDelayID = null;
this.dragging = false;
this.selected = new Array();
if (this.options.accordion)
this.elements = this.ulBody.getElements('li:nth-child(2n+1)') // all li el. except accordian sections
else
this.elements = this.ulBody.getElements('li');
this.filtered = false;
this.lastsection = null;
if (this.options.alternaterows) this.altRow();
this.elements.each(function(el,i){
el.addEvent('click', this.onRowClick.bind(this));
el.addEvent('dblclick', this.onRowDblClick.bind(this));
el.addEvent('mouseover', this.onRowMouseOver.bind(this) );
el.addEvent('mouseout', this.onRowMouseOut.bind(this) );
}, this);
// ******************************************************************
// **************************** Setup header ************************
// ******************************************************************
this.container.getElements('.th').each(function(el,i){
//alert(el.dataType);
var dataType = el.retrieve('dataType');
if(dataType){
el.getdate = function(str){
// inner util function to convert 2-digit years to 4
function fixYear(yr) {
yr = +yr;
if (yr<50) { yr += 2000; }
else if (yr<100) { yr += 1900; }
return yr;
};
var ret;
//
if (str.length>12){
strtime = str.substring(str.lastIndexOf(' ')+1);
strtime = strtime.substring(0,2)+strtime.substr(-2)
}else{
strtime = '0000';
}
//
// YYYY-MM-DD
if (ret=str.match(/(\d{2,4})-(\d{1,2})-(\d{1,2})/)) {
return (fixYear(ret[1])*10000) + (ret[2]*100) + (+ret[3]) + strtime;
}
// DD/MM/YY[YY] or DD-MM-YY[YY]
if (ret=str.match(/(\d{1,2})[\/-](\d{1,2})[\/-](\d{2,4})/)) {
return (fixYear(ret[3])*10000) + (ret[2]*100) + (+ret[1]) + strtime;
}
return 999999990000; // So non-parsed dates will be last, not first
};
//
el.findData = function(elem){
var child = elem.getFirst();
if(child){
return el.findData(child);
}else{
return elem.innerHTML.trim();
}
};
//
el.compare = function(a, b){
// a i b su LI elementi
var var1 = a.getChildren()[i].innerHTML.trim();
var var2 = b.getChildren()[i].innerHTML.trim();
//console.log(el.sortBy);
//var1 = a.getChildren()[i].firstChild.data;
//var2 = b.getChildren()[i].firstChild.data;
if(dataType == 'number'){
var1 = parseFloat(var1);
var2 = parseFloat(var2);
if(el.sortBy == 'ASC'){
return var1-var2;
}else{
return var2-var1;
}
}else if(dataType == 'string'){
var1 = var1.toUpperCase();
var2 = var2.toUpperCase();
if(var1==var2){return 0};
if(el.sortBy == 'ASC'){
if(var1<var2){return -1};
}else{
if(var1>var2){return -1};
}
return 1;
}else if(dataType == 'date'){
var1 = parseFloat(el.getdate(var1));
var2 = parseFloat(el.getdate(var2));
if(el.sortBy == 'ASC'){
return var1-var2;
}else{
return var2-var1;
}
}else if(dataType == 'currency'){
var1 = parseFloat(var1.substr(1).replace(',',''));
var2 = parseFloat(var2.substr(1).replace(',',''));
if(el.sortBy == 'ASC'){
return var1-var2;
}else{
return var2-var1;
}
}
}
}
}, this);
},
toggle: function(el){
if ( el.getStyle('display') == 'block' )
{
el.setStyle('display', 'none');
}else{
el.setStyle('display', 'block');
}
},
// API
getSection: function(row){
return this.ulBody.getElement('.section-'+row);
},
getLiParent: function (target){
// ! ako se koristi labelFunction onda neki html elem. moze hvatati event, detektiraj pravi li
target = $(target);
while ( target && !target.hasClass('td') ){
target = target.getParent();
}
if (target)
return target.getParent();
},
onRowMouseOver: function (evt){
var li = this.getLiParent(evt.target);
if (!li) return;
if (!this.dragging)
li.addClass('over');
this.fireEvent("mouseover", {target:this, row:li.retrieve('row'), element:li });
},
onRowMouseOut: function (evt){
var li = this.getLiParent(evt.target);
if (!li) return;
if (!this.dragging)
li.removeClass('over');
this.fireEvent("mouseout", {target:this, row:li.retrieve('row'), element:li });
},
onRowClick: function (evt){
var li = this.getLiParent(evt.target);
if (!li) return;
if ( (!evt.control || !this.options.multipleSelection) && this.options.selectable )
{
// ocisti stari selection
this.elements.each(function(el, i){ el.removeClass('selected') }, this);
//for (var i=0; i<this.selected.length; i++) this.elements[ this.selected[i] ].removeClass('selected');
this.selected = new Array();
}
if (this.options.selectable)
{
li.addClass('selected');
this.selected.push(li.retrieve('row'));
}
if (this.options.accordion)
{
var section = this.getSection(li.retrieve('row'));
if (this.options.autoSectionToggle)
{
if (this.lastsection)
if (this.lastsection != section)
this.lastsection.setStyle('display', 'none');
if (!this.options.accordionRenderer)
section.setStyle('display', 'block');
}
if (this.options.accordionRenderer){
this.toggle( section );
}
this.lastsection = section;
}
this.fireEvent("click", {indices:this.selected, target:this, row:li.retrieve('row'), element:li });
},
onRowDblClick: function (evt){
var li = this.getLiParent(evt.target);
if (!li) return;
this.fireEvent("dblclick", {row:li.retrieve('row'), target:this, element:li});
},
onLoadData: function (data)
{
if ( this.container.getElement('.gBlock') )
this.container.getElement('.gBlock').dispose();
var pReload = this.container.getElement('div.pDiv .pReload');
if (pReload)
pReload.removeClass('loading');
this.setData(data);
// API
this.fireEvent("loaddata", {target:this});
},
// API
loadData: function (url)
{
if (!this.options.url)
return;
var data = {};
// ************* pagination *************************
if (this.options.pagination)
data = {page:this.options.page, perpage:this.options.perPage};
// ************* server sorting *********************
if (this.options.serverSort){
data.sorton = this.options.sortOn;
data.sortby = this.options.sortBy;
}
// ************* white overflow & loader ************
if ( this.container.getElement('.gBlock') )
this.container.getElement('.gBlock').dispose();
var gBlock = new Element('div', {style:'top: 0px; left: 0px; background: white none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; position: absolute; z-index: 999; opacity: 0.5; filter: alpha(opacity=50'} ) ;
var bDiv = this.container.getElement('.bDiv');
var top = 1;
top += this.container.getElement('.tDiv') ? this.container.getElement('.tDiv').getSize().y : 0;
top += this.container.getElement('.hDiv') ? this.container.getElement('.hDiv').getSize().y : 0;
gBlock.setStyles({width:this.options.width, height: (bDiv ? bDiv.getSize().y:0), top:top});
gBlock.addClass('gBlock');
this.container.appendChild(gBlock);
var pReload = this.container.getElement('div.pDiv .pReload');
if (pReload)
pReload.addClass('loading');
// **************************************************
var url = (url != null) ? url : this.options.url;
var request = new Request.JSON({url:url, data:data});
request.addEvent("complete", this.onLoadData.bind(this) ) ;
request.send();
},
// API
refresh: function(){
this.loadData();
},
// API
setData: function(data, cm){
if (this.options.pagination){
this.options.data = data.data;
this.options.page = data.page*1;
this.options.total = data.total;
this.options.maxpage = Math.ceil(this.options.total/this.options.perPage);
this.container.getElement('div.pDiv input').value = data.page;
var to = (data.page*this.options.perPage) > data.total ? data.total : (data.page*this.options.perPage);
this.container.getElement('div.pDiv .pPageStat').set('html', ((data.page-1)*this.options.perPage+1)+'..'+to+' / '+data.total);
this.container.getElement('div.pDiv .pcontrol span').set('html', this.options.maxpage);
}else
this.options.data = data.data;
if (cm) {
// first check is new columnModel different from active one
if (this.options.columnModel != cm) {
this.options.columnModel = cm;
// if we change columnModel then we must redraw entire component
this.draw();
}
}
this.reset();
},
// API
getData: function(){
return this.options.data;
},
// API
getDataByRow: function(row){
if (row >=0 && row<this.options.data.length)
return this.options.data[row];
},
// API
setDataByRow: function(row, data){
if (row >=0 && row<this.options.data.length)
{
this.options.data[row] = data;
this.reset();
}
},
// API
addRow: function(data, row){
if (row >=0)
{
// ako podataci nisu inic. napravi novi array
if (!this.options.data)
this.options.data = [];
this.options.data.splice(row, 0, data);
this.reset();
}
},
// API
deleteRow: function(row){
if (row >=0 && row<this.options.data.length)
{
this.options.data.splice(row, 1);
this.reset();
}
},
isHidden: function(i){
return this.elements[i].hasClass( this.options.filterHideCls );
},
showLoader: function(){
if (this.loader)
return;
this.loader = new Element('div');
this.loader.addClass('elementloader');
this.loader.inject(this.container);
},
hideLoader: function(){
if (!this.loader)
return;
this.loader.dispose();
this.loader = null;
},
// API
selectAll: function(){
this.elements.each(function(el, i){
this.selected.push(el.retrieve('row'));
el.addClass('selected');
}, this);
},
// API
unselectAll: function(){
this.elements.each(function(el, i){
el.removeClass('selected');
}, this);
this.selected = [];
},
// API
getSelectedIndices: function(){
return this.selected;
},
// API
setSelectedIndices: function(arr){
this.selected = arr;
for (var i = 0; i < arr.length; i++)
{
var li = this.elements[arr[i]];
//el.addClass('selected');
// simulate user click
this.onRowClick({target:li.getFirst(), control:false});
}
},
// mislim da je visak
onMouseOver: function(obj){
//alert(3);
obj.columnModel.onMouseOver(obj.element, obj.data);
},
// API
removeAll: function(){
if (this.ulBody)
this.ulBody.empty();
this.selected = new Array();
//this.options.data = null;
},
// API
setColumnModel: function(cmu){
if ( !cmu )
return;
this.options.columnModel = cmu;
this.draw();
},
// Automatsko odredivanje column modela ako nije zadan
setAutoColumnModel: function(){
if ( !this.options.data )
return;
var rowCount = this.options.data.length;
if ( !(rowCount>0) )
return;
this.options.columnModel = [];
// uzmi schemu od prvog podatka
for ( var cn in this.options.data[0] )
{
this.options.columnModel.push({header:cn, dataIndex:cn});
}
},
onBodyScroll: function(){
var hbox = this.container.getElement('.hDivBox');
var bbox = this.container.getElement('.bDiv');
var xs = bbox.getScroll().x;
//hbox.setStyle('position', 'relative');
hbox.setStyle('left', -xs);
this.rePosDrag();
//console.debug(xs);
},
onBodyClick: function(){
},
onBodyMouseOver: function(){
//console.debug(this.onBodyScrollID);
},
onBodyMouseOut: function(){
},
// ************************************************************************
// ************************* Drag columns events **************************
// ************************************************************************
rePosDrag: function(){
if (!this.options.resizeColumns)
return;
var dragTempWidth = 0;
var cDrags = this.container.getElements('.cDrag div');
var scrollX = this.container.getElement('div.bDiv').getScroll().x;
for (var c = 0; c < this.options.columnModel.length; c++) {
var columnModel = this.options.columnModel[c];
//if (columnModel.hidden) continue;
// hidden-1
var dragSt = cDrags[c];
dragSt.setStyle('left', dragTempWidth+columnModel.width+(Browser.Engine.trident ? 1 : 1 )-scrollX);
//console.log(dragTempWidth+columnModel.width+2);
if (!columnModel.hidden)
dragTempWidth += columnModel.width;
}
},
onColumnDragComplete: function(target){
this.dragging = false;
var colindex = target.retrieve('column');
// nadi poziciju prvo
var cDrag = this.container.getElement('div.cDrag');
var dragSt = cDrag.getElements('div')[colindex];
var scrollX = this.container.getElement('div.bDiv').getScroll().x;
// izracunaj nove ukupne duljine
this.sumWidth = 0;
for (var c = 0; c < this.options.columnModel.length; c++) {
var columnModel = this.options.columnModel[c];
//if (columnModel.hidden) continue;
if (c == colindex)
{
// nova vrijednost pomaknute kolone
var pos = dragSt.getStyle('left').toInt()+scrollX-this.sumWidth-(Browser.Engine.trident ? -1 : 1 ); // zato sto je u dragSt.left +2
}else if (!columnModel.hidden)
this.sumWidth += columnModel.width;
}
//console.log(pos);
if (pos<30) // minimalna velicina kolone
pos = 30
this.options.columnModel[colindex].width = pos;
this.sumWidth += pos;
//console.log(this.sumWidth);
this.ulBody.setStyle('width', this.sumWidth+this.visibleColumns*(Browser.Engine.trident ? 1 : 1 ));
var hDivBox = this.container.getElement('div.hDivBox');
hDivBox.setStyle('width', this.sumWidth+this.visibleColumns*2);
// header
var columns = hDivBox.getElements('div.th');
var columnObj = columns[colindex];
columnObj.setStyle('width', pos-(Browser.Engine.trident ? 6 : 6 ));
var visibleColumns = this.visibleColumns; // radi this. u each-u
// radi accordiana
var elements = this.ulBody.getElements('li');
// sve kolone u body
elements.each(function(el, i){
el.setStyle('width', this.sumWidth+2*visibleColumns); // inace se Div-ovi wrapaju
if (!el.hasClass('section'))
{
var columns = el.getElements('div.td');
var columnObj = columns[colindex];
columnObj.setStyle('width', pos-(Browser.Engine.trident ? 6 : 6 ));
}
});
this.rePosDrag();
},
onColumnDragStart: function(target){
this.dragging = true;
},
onColumnDragging: function(target){
target.setStyle('top', 1);
},
overDragColumn: function(evt){
evt.target.addClass('dragging');
},
outDragColumn: function(evt){
evt.target.removeClass('dragging');
},
// ************************************************************************
// ************************* Header events ********************************
// ************************************************************************
clickHeaderColumn: function(evt){
if (this.dragging) return;
var colindex = evt.target.retrieve('column');
var columnModel = this.options.columnModel[colindex];
evt.target.removeClass(columnModel.sort);
columnModel.sort = (columnModel.sort == 'ASC') ? 'DESC' : 'ASC';
evt.target.addClass(columnModel.sort);
//hidden-1
this.sort(colindex);
},
overHeaderColumn: function(evt){
if (this.dragging) return;
var colindex = evt.target.retrieve('column');
var columnModel = this.options.columnModel[colindex];
evt.target.addClass(columnModel.sort);
},
outHeaderColumn: function(evt){
if (this.dragging) return;
var colindex = evt.target.retrieve('column');
var columnModel = this.options.columnModel[colindex];
evt.target.removeClass(columnModel.sort);
},
renderData: function(){
this.ulBody.empty();
if (this.options.data)
{
var columnCount = this.options.columnModel.length;
var rowCount = this.options.data.length;
for (var r=0; r<rowCount; r++)
{
var li = new Element('li');
li.setStyle('width', this.sumWidth+2*this.visibleColumns); // inace se Div-ovi wrapaju, a u IE nastaje cudan 1px border ispod LI el.
li.store('row', r);
this.ulBody.appendChild(li);
if (this.options.tooltip)
{
this.options.tooltip.attach( tr );
}
for (var c=0; c<columnCount; c++)
{
var columnModel = this.options.columnModel[c];
//if (columnModel.hidden)
// continue;
var div = new Element('div');
div.addClass('td');
div.setStyle('width', columnModel.width-(Browser.Engine.trident ? 6 : 6 )); // zbog paddinga u ff
//div.setStyle('overflow-x', 'hidden');
li.appendChild(div);
if (columnModel.hidden) div.setStyle('display', 'none');
if (columnModel.onMouseOver)
{
div.onmouseover = this.onMouseOver.bind(this, {element:div, columnModel:columnModel, data:this.options.data[r] });
}
if (columnModel.type == "checkbox")
{
/*
var input = new Element('input');
input.type = "checkbox";
td.bgcolor = "#ff0000";
if (columnModel.onChange)
{
input.onclick = this.onSelect.bind(this, {columnModel:columnModel, row:r, input:input});
}
if (this.options.fancyForm) {
label.appendChild(input);
td.appendChild(label);
}else
td.appendChild(input);
if (this.options.data[r][columnModel.dataIndex] == 1) {
input.set('checked', true);
}
*/
}else if (columnModel.type == "image") {
/* var img = new Element('img');
img.src = this.options.data[r][columnModel.dataIndex];
td.appendChild(img);*/
}else if (columnModel.type == 'custom') {
//columnModel.labelFunction(td, this.options.data[r], r);
}else if (columnModel.labelFunction != null) {
div.innerHTML = columnModel.labelFunction(this.options.data[r], r);
}else {
var str = new String(this.options.data[r][columnModel.dataIndex]); // mora biti string, jer ako dode 0 kao broj error
if (str == null || str == "" ) str = ' ';
var trimmed = str.replace(/^\s+|\s+$/g, ''); // ako je prazan string
if(trimmed.length==0) str = ' ';
// Column text align propert.
// moram prije srediti racunanje width radi padding:0 kad se aling
//if (columnModel.align) div.setStyles({'text-align': columnModel.align, 'padding-left':0});
div.innerHTML = str;
}
} // for column
// ***********************
if (this.options.accordion)
{
/* var div = new Element('div');
div.addClass('section');
li.appendChild(div);
*/
var li2 = new Element('li');
li2.addClass('section');
li2.addClass('section-'+r);
li2.setStyle('width', this.sumWidth+2*this.visibleColumns); // inace se Div-ovi wrapaju, a u IE nastaje cudan 1px border ispod LI el.
this.ulBody.appendChild(li2);
if (this.options.accordionRenderer)
this.options.accordionRenderer({parent:li2, row:r, grid:this});
}
}
}
},
// ************************************************************************
// ************************* Main draw function ***************************
// ************************************************************************
draw: function(){
this.removeAll(); // reset variables and only empty ulBody
this.container.empty(); // empty all
// ************************************************************************
// ************************* Common ***************************************
// ************************************************************************
var width = this.options.width - (Browser.Engine.trident ? 2 : 2 ); //-2 radi bordera
var columnCount = this.options.columnModel.length;
// ************************************************************************
// ************************* Container ************************************
// ************************************************************************
if (this.options.width)
this.container.setStyle('width', this.options.width);
this.container.addClass('omnigrid');
// ************************************************************************
// ************************* Toolbar **************************************
// ************************************************************************
if (this.options.buttons)
{
var tDiv = new Element('div');
tDiv.addClass('tDiv');
tDiv.setStyle('width', width);
tDiv.setStyle('height', 25+(Browser.Engine.trident ? 2 : 0 ));// borderi u FF
this.container.appendChild(tDiv);
var bt = this.options.buttons;
for (var i = 0; i < bt.length; i++) {
var fBt = new Element('div');
tDiv.appendChild(fBt);
if (bt[i].separator)
{
fBt.addClass('btnseparator');
continue;
}
fBt.addClass('fbutton');
var cBt = new Element('div');
cBt.addEvent('click', bt[i].onclick.bind(this, [bt[i].bclass, this]));
cBt.addEvent('mouseover', function(){this.addClass('fbOver'); });
cBt.addEvent('mouseout', function(){this.removeClass('fbOver'); });
fBt.appendChild(cBt);
var spanBt = new Element('span');
spanBt.addClass(bt[i].bclass);
spanBt.setStyle('padding-left', 20 );
spanBt.set('html', bt[i].name);
cBt.appendChild(spanBt);
}
}
// ************************************************************************
// ************************* Header ***************************************
// ************************************************************************
var hDiv = new Element('div');
hDiv.addClass('hDiv');
hDiv.setStyle('width', width ); // borderi u FF
this.container.appendChild(hDiv);
var hDivBox = new Element('div');
hDivBox.addClass('hDivBox');
hDiv.appendChild(hDivBox);
this.sumWidth = 0;
this.visibleColumns = 0; // razlikuje se od columnCount jer podaci za neke kolone su ocitani ali se ne prikazuju, npr. bitno kod li width
for (var c = 0; c < columnCount; c++) {
var columnModel = this.options.columnModel[c];
var div = new Element('div');
// ******************************************
// ****** default postavke columnModela *****
if (columnModel.width == null) this.options.columnModel[c].width = 100;
columnModel.sort = 'ASC';
// ******************************************
// ********************** Header events **************************
if (this.options.sortHeader)
{
div.addEvent('click', this.clickHeaderColumn.bind(this));
div.addEvent('mouseout', this.outHeaderColumn.bind(this));
div.addEvent('mouseover', this.overHeaderColumn.bind(this));
}
div.store('column', c);
div.store('dataType', columnModel.dataType);
div.addClass('th');
div.setStyle('width', columnModel.width-(Browser.Engine.trident ? 6 : 6 ));
hDivBox.appendChild(div);
if (columnModel.hidden)
div.setStyle('display', 'none');
else{
this.sumWidth += columnModel.width;
this.visibleColumns++;
}
var header = columnModel.header;
if (header)
div.innerHTML = header;
}
hDivBox.setStyle('width', this.sumWidth+this.visibleColumns*2);
if (!this.options.showHeader)
hDiv.setStyle('display', 'none');
// ************************************************************************
// ************************* Column size drag *****************************
// ************************************************************************
// odredivanje visine body dijela
if (this.options.height)
{
// da ukupna visina cijelog grida bude this.options.height za body moramo oduzeti header
if (!this.options.showHeader)
var headerHeight = 0;
else
var headerHeight = 24+(Browser.Engine.trident ? 2 : 2 ); // header, +2 radi bordera
if (this.options.buttons)
var toolbarHeight = tDiv.getStyle('height').toInt(); // toolbar
else
var toolbarHeight = 0;
if (this.options.pagination)
var paginationToolbar = 26; // pagination toolbar height 25px + 1px bottom border
else
var paginationToolbar = 0;
var bodyHeight = this.options.height-headerHeight-toolbarHeight-paginationToolbar-(Browser.Engine.trident ? 2 : 2 ); //+2 radi bordera
this.container.setStyle('height', this.options.height);
}
if (this.options.resizeColumns)
{
var cDrag = new Element('div');
cDrag.addClass('cDrag');
cDrag.setStyle('top', toolbarHeight);
this.container.appendChild(cDrag);
var dragTempWidth = 0;
for (var c = 0; c < columnCount; c++) {
var columnModel = this.options.columnModel[c];
//if (columnModel.hidden) continue;
var dragSt = new Element('div');
//alert(dragTempWidth+' '+columnModel.width);
// -(Browser.Engine.trident ? 10 : 0 )
dragSt.setStyles({top:1,left: dragTempWidth+columnModel.width+(Browser.Engine.trident ? 2 : 2 ), height: bodyHeight+headerHeight, display:'block'});
dragSt.store('column', c);
cDrag.appendChild(dragSt);
// Events
dragSt.addEvent('mouseout', this.outDragColumn.bind(this));
dragSt.addEvent('mouseover', this.overDragColumn.bind(this));
var dragMove = new Drag(dragSt, {snap:0}); // , {container: this.container.getElement('.cDrag') }
dragMove.addEvent('drag', this.onColumnDragging.bind(this) );
dragMove.addEvent('start', this.onColumnDragStart.bind(this) );
dragMove.addEvent('complete', this.onColumnDragComplete.bind(this) );