flymis/WebRoot/dojojs/src/selection/Selection.js

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.selection.Selection");
dojo.require("dojo.lang.array");
dojo.require("dojo.lang.func");
dojo.require("dojo.math");

dojo.selection.Selection = function(items, isCollection) {
	this.items = [];
	this.selection = [];
	this._pivotItems = [];
	this.clearItems();

	if(items) {
		if(isCollection) {
			this.setItemsCollection(items);
		} else {
			this.setItems(items);
		}
	}
}
dojo.lang.extend(dojo.selection.Selection, {
	items: null, // items to select from, order matters for growable selections

	selection: null, // items selected, aren't stored in order (see sorted())
	lastSelected: null, // last item selected

	allowImplicit: true, // if true, grow selection will start from 0th item when nothing is selected
	length: 0, // number of *selected* items

	// if true, the selection is treated as an in-order and can grow by ranges, not just by single item
	isGrowable: true,

	_pivotItems: null, // stack of pivot items
	_pivotItem: null, // item we grow selections from, top of stack

	// event handlers
	onSelect: function(item) {},
	onDeselect: function(item) {},
	onSelectChange: function(item, selected) {},

	_find: function(item, inSelection) {
		if(inSelection) {
			return dojo.lang.find(this.selection, item);
		} else {
			return dojo.lang.find(this.items, item);
		}
	},

	isSelectable: function(item) {
		// user-customizable, will filter items through this
		return true;