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define("dijit/form/_ComboBoxMenuMixin", [
"dojo/_base/array", // array.forEach
"dojo/_base/declare", // declare
"dojo/dom-attr", // domAttr.set
"dojo/i18n", // i18n.getLocalization
"dojo/_base/window", // win.doc.createTextNode
"dojo/i18n!./nls/ComboBox"
], function(array, declare, domAttr, i18n, win){
// module:
// dijit/form/_ComboBoxMenuMixin
// summary:
// Focus-less menu for internal use in `dijit.form.ComboBox`
return declare( "dijit.form._ComboBoxMenuMixin", null, {
// summary:
// Focus-less menu for internal use in `dijit.form.ComboBox`
// tags:
// private
// _messages: Object
// Holds "next" and "previous" text for paging buttons on drop down
_messages: null,
postMixInProperties: function(){
this.inherited(arguments);
this._messages = i18n.getLocalization("dijit.form", "ComboBox", this.lang);
},
buildRendering: function(){
this.inherited(arguments);
// fill in template with i18n messages
this.previousButton.innerHTML = this._messages["previousMessage"];
this.nextButton.innerHTML = this._messages["nextMessage"];
},
_setValueAttr: function(/*Object*/ value){
this.value = value;
this.onChange(value);
},
onClick: function(/*DomNode*/ node){
if(node == this.previousButton){
this._setSelectedAttr(null);
this.onPage(-1);
}else if(node == this.nextButton){
this._setSelectedAttr(null);
this.onPage(1);
}else{
this.onChange(node);
}
},
// stubs
onChange: function(/*Number*/ /*===== direction =====*/){
// summary:
// Notifies ComboBox/FilteringSelect that user selected an option.
// tags:
// callback
},
onPage: function(/*Number*/ /*===== direction =====*/){
// summary:
// Notifies ComboBox/FilteringSelect that user clicked to advance to next/previous page.
// tags:
// callback
},
onClose: function(){
// summary:
// Callback from dijit.popup code to this widget, notifying it that it closed
// tags:
// private
this._setSelectedAttr(null);
},
_createOption: function(/*Object*/ item, labelFunc){
// summary:
// Creates an option to appear on the popup menu subclassed by
// `dijit.form.FilteringSelect`.
var menuitem = this._createMenuItem();
var labelObject = labelFunc(item);
if(labelObject.html){
menuitem.innerHTML = labelObject.label;
}else{
menuitem.appendChild(
win.doc.createTextNode(labelObject.label)
);
}
// #3250: in blank options, assign a normal height
if(menuitem.innerHTML == ""){
menuitem.innerHTML = " "; //
}
// update menuitem.dir if BidiSupport was required
this.applyTextDir(menuitem, (menuitem.innerText || menuitem.textContent || ""));
menuitem.item=item;
return menuitem;
},
createOptions: function(results, options, labelFunc){
// summary:
// Fills in the items in the drop down list
// results:
// Array of items
// options:
// The options to the query function of the store
//
// labelFunc:
// Function to produce a label in the drop down list from a dojo.data item
// display "Previous . . ." button
this.previousButton.style.display = (options.start == 0) ? "none" : "";
domAttr.set(this.previousButton, "id", this.id + "_prev");
// create options using _createOption function defined by parent
// ComboBox (or FilteringSelect) class
// #2309:
// iterate over cache nondestructively
array.forEach(results, function(item, i){
var menuitem = this._createOption(item, labelFunc);
domAttr.set(menuitem, "id", this.id + i);
this.nextButton.parentNode.insertBefore(menuitem, this.nextButton);
}, this);
// display "Next . . ." button
var displayMore = false;
// Try to determine if we should show 'more'...
if(results.total && !results.total.then && results.total != -1){
if((options.start + options.count) < results.total){
displayMore = true;
}else if((options.start + options.count) > results.total && options.count == results.length){
// Weird return from a data store, where a start + count > maxOptions
// implies maxOptions isn't really valid and we have to go into faking it.
// And more or less assume more if count == results.length
displayMore = true;
}
}else if(options.count == results.length){
//Don't know the size, so we do the best we can based off count alone.
//So, if we have an exact match to count, assume more.
displayMore = true;
}
this.nextButton.style.display = displayMore ? "" : "none";
domAttr.set(this.nextButton,"id", this.id + "_next");
return this.containerNode.childNodes;
},
clearResultList: function(){
// summary:
// Clears the entries in the drop down list, but of course keeps the previous and next buttons.
var container = this.containerNode;
while(container.childNodes.length > 2){
container.removeChild(container.childNodes[container.childNodes.length-2]);
}
this._setSelectedAttr(null);
},
highlightFirstOption: function(){
// summary:
// Highlight the first real item in the list (not Previous Choices).
this.selectFirstNode();
},
highlightLastOption: function(){
// summary:
// Highlight the last real item in the list (not More Choices).
this.selectLastNode();
},
selectFirstNode: function(){
this.inherited(arguments);
if(this.getHighlightedOption() == this.previousButton){
this.selectNextNode();
}
},
selectLastNode: function(){
this.inherited(arguments);
if(this.getHighlightedOption() == this.nextButton){
this.selectPreviousNode();
}
},
getHighlightedOption: function(){
return this._getSelectedAttr();
}
});
});
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