Ext.ns('Ext.ux');
/**
* Ext.ux.MultiCombo
*/
Ext.ux.MultiCombo = Ext.extend(Ext.form.ComboBox, {
/**
* @cfg {String} overClass [x-grid3-row-over]
*/
overClass : 'x-grid3-row-over',
/**
* @cfg {Boolean} enableKeyEvents for typeAhead
*/
enableKeyEvents: true,
/**
* @cfg {String} selectedClass [x-grid3-row-selected]
*/
selectedClass: 'x-grid3-row-selected',
/**
* @cfg {String} highlightClass The css class applied to rows which are hovered with mouse
* selected via key-nav, or highlighted when a text-query matches a single item.
*/
highlightClass: 'x-grid3-row-over',
/**
* @cfg {Number} autoSelectKey [44] COMMA Sets the key used to auto-select an auto-suggest
* highlighted query. When pressed, the highlighted text-item will be selected as if the user
* selected the row with a mouse click.
*/
autoSelectKey : 44,
/**
* @cfg {String} allSelectedText Text to display when all items are selected
*/
allSelectedText : 'All selected',
/**
* @cfg {Number} maxDisplayRows The maximum number of rows to show before applying vscroll
*/
maxDisplayRows: null,
mode: 'local',
triggerAction: 'all',
typeAhead: true,
// private
highlightIndex : null,
highlightIndexPrev : null,
query : null,
/**
* @cfg {Array} value CheckboxCombo expresses its value as an array.
*/
value: [],
/**
* @cfg {Integer} minChars [0]
*/
minChars: 0,
initComponent : function() {
var cls = 'x-combo-list';
// when blurring out of field, ensure that rawValue contains ONLY items contained in Store.
this.on('blur', this.validateSelections.createDelegate(this));
// create an auto-select key handler, like *nix-based console [tab] key behaviour
this.on('keypress', function(field, ev) {
if (ev.getKey() == this.autoSelectKey) { // COMMA
this.onAutoSelect();
}
},this);
this.addEvents(
/**
* @event initview Fires when Combo#initView is called.
* gives plugins a chance to interact with DataView
* @author Chris Scott
* @param {Combo} this
* @param {DataView} dv
*/
'initview',
'clearall'
);
// when list expands, constrain the height with @cfg maxDisplayRows
if (this.maxDisplayRows) {
this.on('expand', function(){
var cnt = this.store.getCount();
if (cnt > this.maxDisplayRows) {
var children = this.view.getNodes();
var h = 0;
for (var n = 0; n < this.maxDisplayRows; n++) {
h += Ext.fly(children[n]).getHeight();
}
this.maxHeight = h;
}
}, this, {
single: true
});
}
this.on('beforequery', this.onQuery, this);
// Enforce that plugins is an Array.
if (typeof(this.plugins) == 'undefined'){
this.plugins = [];
}
else if (!Ext.isArray(this.plugins)) {
this.plugins = [this.plugins];
}
var tmp = this.value; // for case where transform is set.
Ext.ux.MultiCombo.superclass.initComponent.call(this);
if (this.transform) {
if (typeof(tmp) == 'undefined') {
tmp = [];
}
this.setValue(tmp);
}
},
// private
onViewClick : function(dv, index, node, ev){
var rec = this.store.getAt(index);
this.onSelect(rec, index);
this.el.focus();
/*
if(doFocus !== false){
this.el.focus();
}
*/
},
// onTriggerClick, overrides Ext.form.ComboBox#onTriggerClick
onTriggerClick: function() {
if (this.highlightIndex != -1) {
this.clearHighlight();
}
this.highlightIndex = -1;
if(this.disabled){
return;
}
if(this.isExpanded()){
this.collapse();
this.el.focus();
}else {
this.onFocus({});
if(this.triggerAction == 'all') {
this.doQuery(this.getRawValue(), true);
var vlen = this.getValue().length, slen = this.view.getSelectedRecords().length;
if (vlen != slen || vlen == 0) {
this.selectByValue(this.value, true);
}
} else {
this.expand();
this.doQuery(this.getRawValue());
}
this.highlightIndex = -1
this.highlightIndexPrev = null;
this.selectNext();
this.scrollIntoView();
this.el.focus();
}
},
// onQuery, beforequery listener, @return false
onQuery : function(qe) {
q = qe.query;
forceAll = qe.forceAll;
if(forceAll === true || (q.length >= this.minChars)){
if(this.lastQuery !== q){
if (typeof(this.lastQuery) != 'undefined') {
if (q.match(new RegExp('^'+this.allSelectedText))) {
this.query = this.store.data;
}
else if (this.lastQuery.length > q.length) {
var items = q.replace(/\s+/g, '').split(',');
if (items[items.length-1].length == 0) {
items.pop();
}
this.query = this.store.data.filterBy(this.store.createFilterFn(this.displayField, new RegExp('^'+items.join('$|^')+'$', "i"), false, false));
}
else {
this.query = null;
}
}
this.lastQuery = q;
if(this.mode == 'local'){
var raw = this.getRawValue();
if (raw == this.allSelectedText) {
}
var items = raw.replace(/\s+/g, '').split(',');
var last = items.pop();
this.matches = this.store.data.filterBy(this.store.createFilterFn(this.displayField, new RegExp('^'+last, "i"), false, false)).filterBy(this.createTypeAheadFilterFn(items));
if (this.matches.getCount() == 0) {
this.clearHighlight();
}
if (q.length == 0) {
this.view.clearSelections();
this.updateValue([]);
}
this.onLoad();
} else {
this.store.baseParams[this.queryParam] = q;
this.store.load({
params: this.getParams(q)
});
this.expand();
}
}else{
this.selectedIndex = -1;
this.onLoad();
}
}
return false;
},
// onLoad, overrides Ext.form.ComboBox#onLoad
onLoad : function(){
if(!this.hasFocus){
return;
}
if(this.store.getCount() > 0){
if (!this.isExpanded()) {
this.expand();
this.restrictHeight();
}
if(this.lastQuery == this.allQuery){
if(this.editable){
this.el.dom.select();
}
}else{
if (this.query != null) {
var values = [], indexes = [];
this.query.each(function(r){
values.push(r.data[this.valueField]);
indexes.push(this.store.indexOf(r));
}, this);
this.view.clearSelections();
this.updateValue(values, this.getRawValue());
this.view.select(indexes);
}
if (this.matches != null) {
if (this.matches.getCount() == 1) {
this.highlight(this.store.indexOf(this.matches.first()));
this.scrollIntoView();
}
}
else {
// @HACK: If store was configured with a proxy, set its mode to local now that its populated with data.
// Re-execute the query now.
this.mode = 'local';
this.lastQuery = undefined;
this.doQuery(this.getRawValue(), true);
}
if(this.typeAhead && this.lastKey != Ext.EventObject.DOWN && this.lastKey != Ext.EventObject.BACKSPACE && this.lastKey != Ext.EventObject.DELETE){
this.taTask.delay(this.typeAheadDelay);
}
}
}else{
this.onEmptyResults();
}
},
onSelect : function(record, index) {
if (index == -1) {
throw new Error('MultiCombo#onSelect did not receive a valid index');
}
// select only when user clicks [apply] button
if (this.selectOnApply == true) {
return;
}
if (this.fireEvent('beforeselect', this, record, index) !== false) {
var text = [];
var value = [];
var rs = this.view.getSelectedRecords();
for (var n = 0, len = rs.length; n < len; n++) {
text.push(rs[n].data[this.displayField]);
value.push(rs[n].data[this.valueField]);
}
this.updateValue(value, (value.length != this.store.getCount()) ? text.join(', ') : this.allSelectedText);
var node = this.view.getNode(index);
this.innerList.scrollChildIntoView(node, false);
this.fireEvent('select', this, record, index);
}
},
// private
onViewOver : function(ev, node){
var t = ev.getTarget(this.view.itemSelector);
if (t == null) {
return;
}
this.highlightIndex = this.store.indexOf(this.view.getRecord(t));
this.clearHighlight();
this.highlight(this.highlightIndex);
if(this.inKeyMode){ // prevent key nav and mouse over conflicts
return;null
}
return;
},
// private
onTypeAhead : function(){
if(this.store.getCount() > 0){
this.inKeyMode = false;
var raw = this.getRawValue();
var pos = this.getCaretPosition(raw);
var items = [];
var query = '';
if (pos !== false && pos < raw.length) {
items = raw.substr(0, pos).replace(/\s+/g, '').split(',');
query = items.pop();
} else {
items = raw.replace(/\s+/g, '').split(',');
query = items.pop();
}
var rs = this.store.data.filterBy(this.store.createFilterFn(this.displayField, new RegExp(query, "i"), false, false)).filterBy(this.createTypeAheadFilterFn(items));
if (rs.getCount() == 1) {
var r = rs.first();
var rindex = this.store.indexOf(r)
if (!this.view.isSelected(rindex)) {
this.typeAheadSelected = true;
var selStart = raw.length;
var len = items.join(',').length;
var selEnd = null;
var newValue = r.data[this.displayField];
if (pos !== false && pos < raw.length) {
var insertIdx = items.length;
var selStart = pos;
items = raw.replace(/\s+/g, '').split(',');
items.splice(insertIdx, 1, newValue);
selEnd = items.slice(0, insertIdx+1).join(', ').length;
this.highlight(rindex);
this.scrollIntoView();
}
else {
items.push(newValue);
}
var len = items.join(',').length;
if(selStart != len){
var lastWord = raw.split(',').pop();
if (items.length >1 && lastWord.match(/^\s+/) == null) {
selStart++;
}
this.setRawValue(items.join(', '));
this.selectText(selStart, (selEnd!=null) ? selEnd : this.getRawValue().length);
}
}
}
}
},
apply : function() {
var selected = this.view.getSelectedRecords();
var value = [];
for (var n=0,len=selected.length;n -1 && !this.view.isSelected(idx)) {
var rec = this.store.getAt(idx);
this.select(idx);
}
},
// filters-out already-selected items from type-ahead queries.
// e.g.: if store contains: "betty, barney, bart" and betty is already selected,
// when user types "b", only "bart" and "barney" should be returned as possible matches,
// since betty is *already* selected
createTypeAheadFilterFn : function(items) {
var key = this.displayField;
return function(rec) {
var re = new RegExp(rec.data[key], "i");
var add = true;
for (var n=0,len=items.length;n/**
* setValue
* Accepts a comma-separated list of ids or an array. if given a string, will conver to Array.
* @param {Array, String} v
*/
setValue : function(v) {
var text = [];
var value = [];
if (typeof(v) == 'string') { // <-- "1,2,3"
value = v.match(/\d+/g); // <-- strip multiple spaces and split on ","
if(value){
for (var n=0,len=value.length;n/**
* Select an item in the dropdown list by its numeric index in the list. This function does NOT cause the select event to fire.
* The store must be loaded and the list expanded for this function to work, otherwise use setValue.
* @param {Number} index The zero-based index of the list item to select
* @param {Boolean} scrollIntoView False to prevent the dropdown list from autoscrolling to display the
* selected item if it is not currently in view (defaults to true)
*/
select : function(index, scrollIntoView){
if (!typeof(index) == 'number') {
throw new Error('MultiCombo#select expected @param {Number} index but got: ' + typeof(index));
}
this.view.isSelected(index) ? this.view.deselect(index, true) : this.view.select(index, true);
this.onSelect(this.store.getAt(index), index);
this.matches = null;
if(scrollIntoView !== false){
var el = this.view.getNode(index);
if(el){
this.innerList.scrollChildIntoView(el, false);
}
}
},
getLastValue : function() {
return Ext.util.Format.trim(this.getRawValue().split(',').pop());
},
/**
* Select an item in the dropdown list by its data value. This function does NOT cause the select event to fire.
* The store must be loaded and the list expanded for this function to work, otherwise use setValue.
* @param {String} value The data value of the item to select
* @param {Boolean} scrollIntoView False to prevent the dropdown list from autoscrolling to display the
* selected item if it is not currently in view (defaults to true)
* @return {Boolean} True if the value matched an item in the list, else false
*/
selectByValue : function(v, scrollIntoView){
if (v.length) {
var indexes = [];
var rs = this.store.data.filterBy(this.store.createFilterFn(this.valueField, new RegExp(v.join('|'), "i"))).each(function(r){
indexes.push(this.store.indexOf(r));
}, this);
if (indexes.length) {
this.view.select(indexes);
return true;
}
}
else {
this.view.clearSelections();
this.setRawValue('');
return false;
}
},
// private
initEvents : function(){
Ext.form.ComboBox.superclass.initEvents.call(this);
this.keyNav = new Ext.KeyNav(this.el, {
"up" : function(e){
this.lastKey = Ext.EventObject.UP;
this.inKeyMode = true;
this.selectPrev();
this.scrollIntoView();
},
"down" : function(e){
this.inKeyMode = true;
if(!this.isExpanded()){
this.lastKey = Ext.EventObject.DOWN;
this.onTriggerClick();
}else{
this.selectNext();
this.scrollIntoView();
}
},
"enter" : function(e){
var idx = this.highlightIndex;
if (this.inKeyMode === true) {
if (this.plugins.length && (idx <= -1)) {
if (this.plugins[idx + 1]) {
this.plugins[idx + 1].onEnter(this);
}
}
else
if (this.plugins.length && this.highlightIndex == 0 && this.highlightIndexPrev == -1) {
if (this.plugins[idx]) {
this.plugins[idx].onEnter(this);
}
}
else {
var idx = this.getHighlightedIndex() || 0;
if (this.highlightIndex != null && idx != null) {
this.select(idx, true);
//this.delayedCheck = true;
//this.unsetDelayCheck.defer(10, this);
}
}
}
else {
var v = this.getLastValue();
var raw = this.getRawValue();
/** this block should be moved to method getCurrentWord
*
*/
var pos = this.getCaretPosition(raw);
var word = '';
if (pos !== false && pos < raw.length) {
word = Ext.util.Format.trim(raw.substr(0, pos).split(',').pop());
} else {
word = Ext.util.Format.trim(raw.split(',').pop());
}
/*******************************************************/
var idx = this.store.find(this.displayField, word);
if (idx != -1) {
var rec = this.store.getAt(idx);
this.select(idx, true);
}
raw = this.getRawValue();
this.selectText(raw.length, raw.length);
this.collapse();
}
},
"esc" : function(e){
this.collapse();
},
"tab" : function(e){
if (this.matches != null && this.matches.getCount() == 1) {
var idx = this.store.indexOf(this.matches.first());
if (!this.view.isSelected(idx)) {
this.select(this.store.indexOf(this.matches.first()), true);
}
}
else if (this.value.length == 0 && this.getRawValue().length > 0) {
this.setRawValue('');
}
this.collapse();
return true;
},
scope : this,
doRelay : function(foo, bar, hname){
if(hname == 'down' || this.scope.isExpanded()){
return Ext.KeyNav.prototype.doRelay.apply(this, arguments);
}
return true;
},
forceKeyDown : true
});
this.queryDelay = Math.max(this.queryDelay || 10,
this.mode == 'local' ? 10 : 250);
this.dqTask = new Ext.util.DelayedTask(this.initQuery, this);
if(this.typeAhead){
this.taTask = new Ext.util.DelayedTask(this.onTypeAhead, this);
}
if(this.editable !== false){
this.el.on("keyup", this.onKeyUp, this);
}
if(this.forceSelection){
this.on('blur', this.doForce, this);
}
},
// private, blur-handler to ensure that rawValue contains only values from selections, in the same order as selected
validateSelections : function(field) {
var v = this.getValue();
var text = [];
for (var i=0,len=v.length;i=0) {
text.push(this.store.getAt(idx).data[this.displayField]);
}
}
this.setRawValue(text.join(', '));
},
scrollIntoView : function() {
var el = this.getHighlightedNode();
if (el) {
this.innerList.scrollChildIntoView(el);
}
},
// private
selectNext : function(){
this.clearHighlight();
if (this.highlightIndex == null) {
this.highlightIndex = -1;
}
if (this.highlightIndex <= -1 && this.highlightIndexPrev != -1) {
if (this.plugins.length > 0) {
var idx = Math.abs(this.highlightIndex)-1;
if (this.plugins.length >= Math.abs(this.highlightIndex)) {
this.plugins[idx].selectNext(this);
this.highlightIndexPrev = this.highlightIndex;
this.highlightIndex++;
return false;
}
}
}
if (this.highlightIndexPrev == -1 && this.highlightIndex == 0) {
this.highlightIndex = -1;
}
var ct = this.store.getCount();
if(ct > 0){
if (this.highlightIndex == -1 || this.highlightIndex+1 < ct) {
if (this.highlightIndex == -1) {
this.highlightIndexPrev = 0;
}
else {
this.highlightIndexPrev = this.highlightIndex -1;
}
this.highlight(++this.highlightIndex);
}
else {
this.highlight(ct-1);
}
}
},
// private
selectPrev : function(){
this.clearHighlight();
if (this.highlightIndex <= 0) {
var idx = Math.abs(this.highlightIndex);
if (this.plugins.length >= idx+1 && this.highlightIndexPrev >= 0) {
this.clearHighlight();
this.plugins[idx].selectPrev(this);
this.highlightIndexPrev = this.highlightIndex;
this.highlightIndex--;
if (this.highlightIndex == -1) {
this.highlightIndexPrev = -1;
}
return false;
}
else {
this.highlightIndex = -1;
this.highlightIndexPrev = -1;
this.collapse();
return;
}
}
this.highlightIndexPrev = this.highlightIndex;
var ct = this.store.getCount();
if(ct > 0){
if (this.highlighIndex == -1) {
this.highlightIndex = 0;
}
else if (this.highlightIndex != 0) {
this.highlightIndex--;
}
else if (this.highlightIndex == 0) {
this.collapse();
}
this.highlight(this.highlightIndex);
}
},
collapse : function() {
if (this.isExpanded()) {
this.highlightIndex = null;
this.highlightIndexPrev = null;
}
Ext.ux.MultiCombo.superclass.collapse.call(this);
},
highlight : function(index) {
this.view.el.select('.'+this.highlightClass).removeClass(this.highlightClass);
var node = Ext.fly(this.view.getNode(index));
if (node) {
node.addClass(this.highlightClass);
}
},
getHighlightedIndex : function() {
var node = this.view.el.child('.' + this.highlightClass, true);
return (node) ? this.store.indexOf(this.view.getRecord(node)) : this.highlightIndex;
},
getHighlightedNode : function() {
return this.view.el.child('.'+this.highlightClass, true);
},
clearHighlight : function() {
if (typeof(this.view) != 'object') { return false; }
var el = this.view.el.select('.'+this.highlightClass);
if (el) {
el.removeClass(this.highlightClass);
}
},
// private
initList : function(){
if(!this.list){
var cls = 'x-combo-list';
this.list = new Ext.Layer({
shadow: this.shadow, cls: [cls, this.listClass].join(' '), constrain:false
});
var lw = this.listWidth || Math.max(this.wrap.getWidth(), this.minListWidth);
this.list.setWidth(lw);
this.list.swallowEvent('mousewheel');
this.assetHeight = 0;
if(this.syncFont !== false){
this.list.setStyle('font-size', this.el.getStyle('font-size'));
}
if(this.title){
this.header = this.list.createChild({cls:cls+'-hd', html: this.title});
this.assetHeight += this.header.getHeight();
}
this.innerList = this.list.createChild({cls:cls+'-inner'});
this.innerList.on('mouseover', this.onViewOver, this);
this.innerList.on('mousemove', this.onViewMove, this);
this.innerList.setWidth(lw - this.list.getFrameWidth('lr'));
if(this.pageSize){
this.footer = this.list.createChild({cls:cls+'-ft'});
this.pageTb = new Ext.PagingToolbar({
store:this.store,
pageSize: this.pageSize,
renderTo:this.footer
});
this.assetHeight += this.footer.getHeight();
}
if(!this.tpl){
/**
* @cfg {String/Ext.XTemplate} tpl The template string, or {@link Ext.XTemplate}
* instance to use to display each item in the dropdown list. Use
* this to create custom UI layouts for items in the list.
*
* If you wish to preserve the default visual look of list items, add the CSS
* class name
x-combo-list-item
to the template's container element.
*
* The template must contain one or more substitution parameters using field
* names from the Combo's {@link #store Store}. An example of a custom template
* would be adding an
ext:qtip
attribute which might display other fields
* from the Store.
*
* The dropdown list is displayed in a DataView. See {@link Ext.DataView} for details.
*/
this.tpl = '{' + this.displayField + '} ';
/**
* @cfg {String} itemSelector
* This setting is required if a custom XTemplate has been specified in {@link #tpl}
* which assigns a class other than 'x-combo-list-item'
to dropdown list items.
* A simple CSS selector (e.g. div.some-class or span:first-child) that will be
* used to determine what nodes the DataView which handles the dropdown display will
* be working with.
*/
}
/**
* The {@link Ext.DataView DataView} used to display the ComboBox's options.
* @type Ext.DataView
*/
this.view = new Ext.DataView({
applyTo: this.innerList,
tpl: this.tpl,
simpleSelect: true,
multiSelect: true,
overClass: this.overClass,
selectedClass: this.selectedClass,
itemSelector: this.itemSelector || '.' + cls + '-item'
});
this.view.on('click', this.onViewClick, this);
this.fireEvent('initview', this, this.view);
this.bindStore(this.store, true);
if(this.resizable){
this.resizer = new Ext.Resizable(this.list, {
pinned:true, handles:'se'
});
this.resizer.on('resize', function(r, w, h){
this.maxHeight = h-this.handleHeight-this.list.getFrameWidth('tb')-this.assetHeight;
this.listWidth = w;
this.innerList.setWidth(w - this.list.getFrameWidth('lr'));
this.restrictHeight();
}, this);
this[this.pageSize?'footer':'innerList'].setStyle('margin-bottom', this.handleHeight+'px');
}
}
}
});
Ext.reg('multicombo', Ext.ux.MultiCombo);