From b89a7ee8b956c96a1dcee995ea840feddc5d4b27 Mon Sep 17 00:00:00 2001 From: Pierre Frisch Date: Thu, 22 Dec 2011 07:25:50 -0800 Subject: First commit of Ninja to ninja-internal Signed-off-by: Valerio Virgillito --- .../ui/controller/paged-array-controller.js | 260 +++++++++++++++++++++ 1 file changed, 260 insertions(+) create mode 100755 node_modules/montage/ui/controller/paged-array-controller.js (limited to 'node_modules/montage/ui/controller/paged-array-controller.js') diff --git a/node_modules/montage/ui/controller/paged-array-controller.js b/node_modules/montage/ui/controller/paged-array-controller.js new file mode 100755 index 00000000..80642467 --- /dev/null +++ b/node_modules/montage/ui/controller/paged-array-controller.js @@ -0,0 +1,260 @@ +/* + This file contains proprietary software owned by Motorola Mobility, Inc.
+ No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.
+ (c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved. + */ +/** + @module montage/ui/controller/paged-array-controller + @requires montage/core/core + @requires ui/controller/array-controller + @requires core/event/mutable-event +*/ +var Montage = require("montage").Montage, + ArrayController = require("ui/controller/array-controller").ArrayController, + MutableEvent = require("core/event/mutable-event").MutableEvent; +/** + @class module:montage/ui/controller/paged-array-controller.PagedArrayController + @extends module:montage/ui/controller/array-controller.ArrayController +*/ +exports.PagedArrayController = Montage.create(ArrayController,/** @lends module:montage/ui/controller/paged-array-controller.PagedArrayController# */ { +/** + Description TODO + @private +*/ + _pageSize: { + value: 10 + }, + //changing this should recalculate pageIndex to contain first item of previous current page + // via gotoOffset ? +/** + Description TODO + @type {Function} + @default {Number} 10 + */ + pageSize: { + get: function() { + return this._pageSize; + }, + set: function(value) { + if (value !== this._pageSize) { + this._calculate(value, this._pageIndex, this._padding); + } + } + }, + +/** + Description TODO + @private +*/ + _padding: { + value: 0 + }, + // changing this should change the organized object to have the new padding +/** + Description TODO + @type {Function} + @default {Number} 0 + */ + padding: { + get: function() { + return this._padding; + }, + set: function(value) { + if (value !== this._padding) { + this._calculate(this._pageSize, this._pageIndex, value); + } + } + }, +/** + Description TODO + @private +*/ + _pageIndex: { + value: 0, + enumerable: false + }, + // changing this should change the start and endIndex +/** + Description TODO + @type {Function} + @default {Number} 0 + */ + pageIndex: { + get: function() { + return this._pageIndex; + }, + set: function(pageIndex) { + if (pageIndex !== this._pageIndex) { + pageIndex = pageIndex >= this.pageCount ? this.pageCount - 1 : pageIndex < 0 ? 0 : pageIndex; + this._calculate(this._pageSize, pageIndex, this._padding); + } + } + }, + + /** + Description TODO + @private +*/ + _pageCount: { + value: null, + enumerable: false + }, +/** + Description TODO + @type {Function} + @default null + */ + pageCount: { + get: function() { + return this._pageCount; + } + }, + +/** + Description TODO + @type {Function} + @default {Array} array + */ + pageNumber: { + dependencies: ["pageIndex"], + get: function() { + return this._pageIndex + 1; + } + }, + + /** + Description TODO + @private +*/ + _calculate: { + value: function(pageSize, pageIndex, padding) { + var contentLength = this.content.length, + pageCount = this._pageCount, + startIndex, endIndex, + pageSizeChangeEvent, + pageIndexChangeEvent, + paddingChangeEvent, + pageCountChangeEvent, + startIndexChangeEvent, + endIndexChangeEvent; + + if (pageSize !== this._pageSize) { + pageSizeChangeEvent = MutableEvent.changeEventForKeyAndValue("pageSize", this._pageSize); + this._pageSize = pageSize; + } + if (pageIndex !== this._pageIndex) { + pageIndexChangeEvent = MutableEvent.changeEventForKeyAndValue("pageIndex", this._pageIndex); + this._pageIndex = pageIndex; + } + if (padding !== this._padding) { + paddingChangeEvent = MutableEvent.changeEventForKeyAndValue("padding", this._padding); + this._padding = padding; + } + + pageCountChangeEvent = MutableEvent.changeEventForKeyAndValue("pageCount", pageCount); + this._pageCount = pageCount = Math.ceil(contentLength / pageSize); + + startIndexChangeEvent = MutableEvent.changeEventForKeyAndValue("startIndex", this._startIndex); + startIndex = pageIndex * pageSize - padding; + this._startIndex = startIndex = startIndex < 0 ? 0 : startIndex; + + endIndexChangeEvent = MutableEvent.changeEventForKeyAndValue("endIndex", this._endIndex); + endIndex = pageIndex * pageSize + pageSize + padding; + this._endIndex = endIndex = endIndex > contentLength ? contentLength : endIndex; + + if (pageCountChangeEvent.minus !== pageCount) { + this.dispatchEvent(pageCountChangeEvent.withPlusValue(pageCount)); + } + if (startIndexChangeEvent.minus !== startIndex) { + this.dispatchEvent(startIndexChangeEvent.withPlusValue(startIndex)); + } + if (endIndexChangeEvent.minus !== endIndex) { + this.dispatchEvent(endIndexChangeEvent.withPlusValue(endIndex)); + } + if (pageSizeChangeEvent) { + this.dispatchEvent(pageSizeChangeEvent.withPlusValue(pageSize)); + } + if (pageIndexChangeEvent) { + this.dispatchEvent(pageIndexChangeEvent.withPlusValue(pageIndex)); + } + if (paddingChangeEvent) { + this.dispatchEvent(paddingChangeEvent.withPlusValue(padding)); + } + } + }, +/** + Description TODO + @function + */ + gotoFirstPage: { + value: function() { + this.gotoPage(0); + } + }, +/** + Description TODO + @function + */ + gotoLastPage: { + value: function() { + this.gotoPage(this.pageCount - 1); + } + }, +/** + Description TODO + @function + */ + gotoNextPage: { + value: function() { + this.gotoPage(this.pageIndex + 1); + } + }, +/** + Description TODO + @function + */ + gotoPreviousPage: { + value: function() { + this.gotoPage(this.pageIndex - 1); + } + }, +/** + Sets the currentPage so that the desired item is contained in that page. + @function + @param {Array} pageIndex The index of the item to be shown. + */ + gotoPage: { + value: function(pageIndex) { + this.pageIndex = pageIndex; + } + }, +/** + Sets the currentPage so that the desired item is contained in that page. + @function + @param {Math} offset The index of the item to be shown. + */ + gotoContentIndex: { + value: function(offset) { + this.gotoPage(Math.floor(offset / this.pageSize)); + } + }, + + /** + Description TODO + @type {Function} + @default null + */ + content: { + get: function() { + return Object.getPropertyDescriptor(ArrayController, "content").get.call(this); + }, + set: function(value) { + if (value !== this.content) { + Object.getPropertyDescriptor(ArrayController, "content").set.call(this, value); + this._calculate(this._pageSize, this._pageIndex, this._padding); + } + } + } + + +}); -- cgit v1.2.3