/**
* Copyright (C) 2005-2016 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @module alfresco/menus/AlfMenuBarSelectItems
* @extends module:alfresco/menus/AlfMenuBarSelect
* @author Dave Draper
*/
define(["dojo/_base/declare",
"alfresco/menus/AlfMenuBarSelect",
"alfresco/core/topics",
"dojo/dom-class",
"dojo/_base/lang",
"dojo/on",
"dojo/_base/event"],
function(declare, AlfMenuBarSelect, topics, domClass, lang, on, event) {
return declare([AlfMenuBarSelect], {
/**
* An array of the i18n files to use with this widget.
*
* @instance
* @type {object[]}
* @default [{i18nFile: "./i18n/AlfMenuBarSelectItems.properties"}]
* @since 1.0.59
*/
i18nRequirements: [{i18nFile: "./i18n/AlfMenuBarSelectItems.properties"}],
/**
* Sets an initial iconClass. This ensures that the iconNode is created.
*
* @instance
* @type {string}
* @default
*/
iconClass: "alf-noneselected-icon",
/**
* @instance
* @type {number}
* @default
*/
_NONE: 0,
/**
* @instance
* @type {number}
* @default
*/
_SOME: 1,
/**
* @instance
* @type {number}
* @default
*/
_ALL: 2,
/**
* @instance
* @type {number}
* @default
*/
_UNKNOWN: 3,
/**
* Keeps track of the items selected (either none, some or all)
*
* @instance
* @type {number}
* @default
*/
_itemsSelected: 0,
/**
* The topic that the widget will listen to.
* @instance
* @type {string}
* @default
*/
notificationTopic: topics.DOCUMENT_SELECTION_UPDATE,
/**
* Extends the inherited implementation to set up the listener for clicks on the iconNode
*
* @instance
*/
postCreate: function alfresco_menus_AlfMenuBarSelectItems__postCreate() {
this.inherited(arguments);
if (this.iconNode)
{
this.iconNode.setAttribute("alt", this.message("menubarselectitems.none.selected"));
on(this.iconNode, "click", lang.hitch(this, this.handleIconClick));
}
},
/**
*
* @instance
*/
handleIconClick: function alfresco_menus_AlfMenuBarSelectItems__handleIconClick(evt) {
this.alfLog("log", "Icon node clicked");
if (this.get("disabled"))
{
// No action required - the widget is disabled...
}
else
{
// Close the popup if it's open...
this.closePopupMenu();
if (this._itemsSelected === this._NONE)
{
// Select all...
this.renderAllSelected();
this.alfPublish(this.notificationTopic, { value: "selectAll" });
}
else if (this._itemsSelected === this._SOME)
{
// Select all...
this.renderAllSelected();
this.alfPublish(this.notificationTopic, { value: "selectAll" });
}
else if (this._itemsSelected === this._ALL)
{
// Select none...
this.renderNoneSelected();
this.alfPublish(this.notificationTopic, { value: "selectNone" });
}
else
{
// Select none...
this.renderNoneSelected();
this.alfPublish(this.notificationTopic, { value: "selectNone" });
}
event.stop(evt); // Prevent the click event from going any further...
domClass.remove(this.domNode, "dijitMenuItemSelected"); // Ensure that the menu bar item isn't marked as selected
}
},
/**
*
* @instance
* @pararm {object} payload The payload from the publication on the selection topic
*/
handleSelection: function alfresco_menus_AlfMenuBarSelectItems__handleSelection(payload) {
this.alfLog("log", "Selection detected", payload);
if (payload)
{
// Default support is provided for "selectAll" and "selectNone" values (this function
// could be extended to support additional values) so that the overall label/icon responds
// to menu item clicks (and not just external selection events).
if (payload.value === "selectAll")
{
this.renderAllSelected();
}
else if (payload.value === "selectNone")
{
this.renderNoneSelected();
}
else
{
// Try to work out how many items have been selected.
this.determineSelection(payload);
}
}
domClass.remove(this.domNode, "dijitMenuItemSelected"); // Ensure that the menu bar item isn't marked as selected
},
/**
* This function relies on the supplied payload argument having both an 'availableItemCount' attribute
* and a'selectedItemCount' attribute, but it can be overridden for custom handling of how to render
* the icon for the menu.
*
* @instance
* @param {object} payload
*/
determineSelection: function alfresco_menus_AlfMenuBarSelectItems__determineSelection(payload) {
var available = parseInt(payload.availableItemCount, 10);
var selected = parseInt(payload.selectedItemCount, 10);
if ((available || available === 0) &&
(selected || selected === 0))
{
// If no value is provided the selected items indicator is calculated based
// on available and selected item counts...
if (selected === 0)
{
this.renderNoneSelected();
}
else if (available > selected)
{
this.renderSomeSelected();
}
else if (available === selected)
{
this.renderAllSelected();
}
else
{
this.alfLog("warn", "Couldn't work out how many were selected");
this._itemsSelected = this._UNKNOWN;
}
}
else
{
this.alfLog("warn", "Invalid item selection requested", payload, this);
}
},
/**
* @instance
*/
renderAllSelected: function alfresco_menus_AlfMenuBarSelectItems__renderAllSelected() {
if (this.iconNode)
{
domClass.remove(this.iconNode, this._currentIconClass);
this._currentIconClass = "alf-allselected-icon";
domClass.add(this.iconNode, this._currentIconClass);
this.iconNode.setAttribute("alt", this.message("menubarselectitems.all.selected"));
}
this._itemsSelected = this._ALL;
},
/**
* @instance
*/
renderSomeSelected: function alfresco_menus_AlfMenuBarSelectItems__renderSomeSelected() {
if (this.iconNode)
{
domClass.remove(this.iconNode, this._currentIconClass);
this._currentIconClass = "alf-someselected-icon";
domClass.add(this.iconNode, this._currentIconClass);
this.iconNode.setAttribute("alt", this.message("menubarselectitems.some.selected"));
}
this._itemsSelected = this._SOME;
},
/**
* @instance
*/
renderNoneSelected: function alfresco_menus_AlfMenuBarSelectItems__renderNoneSelected() {
if (this.iconNode)
{
domClass.remove(this.iconNode, this._currentIconClass);
this._currentIconClass = "alf-noneselected-icon";
domClass.add(this.iconNode, this._currentIconClass);
this.iconNode.setAttribute("alt", this.message("menubarselectitems.none.selected"));
}
this._itemsSelected = this._NONE;
}
});
});