Current Path : C:/xampp/htdocs/moodle/lib/yuilib/3.17.2/datatable-paginator/ |
Current File : C:/xampp/htdocs/moodle/lib/yuilib/3.17.2/datatable-paginator/datatable-paginator-debug.js |
/* YUI 3.17.2 (build 9c3c78e) Copyright 2014 Yahoo! Inc. All rights reserved. Licensed under the BSD License. http://yuilibrary.com/license/ */ YUI.add('datatable-paginator', function (Y, NAME) { /** Adds support for paging through data in the DataTable. @module datatable @submodule datatable-paginator @since 3.11.0 */ var Model, View, PaginatorTemplates = Y.DataTable.Templates.Paginator, sub = Y.Lang.sub, getClassName = Y.ClassNameManager.getClassName, CLASS_DISABLED = getClassName(NAME, 'control-disabled'), EVENT_UI = 'paginator:ui'; /** @class DataTable.Paginator.Model @extends Model @since 3.11.0 */ Model = Y.Base.create('dt-pg-model', Y.Model, [Y.Paginator.Core]), /** @class DataTable.Paginator.View @extends View @since 3.11.0 */ View = Y.Base.create('dt-pg-view', Y.View, [], { /** Array of event handles to keep track of what should be destroyed later @protected @property _eventHandles @type {Array} @since 3.11.0 */ _eventHandles: [], /** Template for this view's container. @property containerTemplate @type {String} @default '<div class="yui3-datatable-paginator"/>' @since 3.11.0 */ containerTemplate: '<div class="{paginator}"/>', /** Template for content. Helps maintain order of controls. @property contentTemplate @type {String} @default '{buttons}{goto}{perPage}' @since 3.11.0 */ contentTemplate: '{buttons}{goto}{perPage}', /** Disables ad-hoc ATTRS for our view. @protected @property _allowAdHocAttrs @type {Boolean} @default false @since 3.11.0 */ _allowAdHocAttrs: false, /** Sets classnames on the templates and bind events @method initializer @since 3.11.0 */ initializer: function () { this.containerTemplate = sub(this.containerTemplate, { paginator: getClassName(NAME) }); this._initStrings(); this._initClassNames(); this.attachEvents(); }, /** @method render @chainable @since 3.11.0 */ render: function () { var model = this.get('model'), content = sub(this.contentTemplate, { 'buttons': this._buildButtonsGroup(), 'goto': this._buildGotoGroup(), 'perPage': this._buildPerPageGroup() }); this.get('container').append(content); this.attachEvents(); this._rendered = true; this._updateControlsUI(model.get('page')); this._updateItemsPerPageUI(model.get('itemsPerPage')); return this; }, /** @method attachEvents @since 3.11.0 */ attachEvents: function () { View.superclass.attachEvents.apply(this, arguments); var container = this.get('container'); if (!this.classNames) { this._initClassNames(); } this._attachedViewEvents.push( container.delegate('click', this._controlClick, '.' + this.classNames.control, this), this.get('model').after('change', this._modelChange, this) ); container.all('form').each(Y.bind(function (frm) { this._attachedViewEvents.push( frm.after('submit', this._controlSubmit, this) ); }, this)); container.all('select').each(Y.bind(function (sel) { this._attachedViewEvents.push( sel.after('change', this._controlChange, this) ); }, this)); }, /** Returns a string built from the button and buttons templates. @protected @method _buildButtonsGroup @return {String} @since 3.11.0 */ _buildButtonsGroup: function () { var strings = this.get('strings'), classNames = this.classNames, buttons; buttons = PaginatorTemplates.button({ type: 'first', label: strings.first, classNames: classNames }) + PaginatorTemplates.button({ type: 'prev', label: strings.prev, classNames: classNames }) + PaginatorTemplates.button({ type: 'next', label: strings.next, classNames: classNames }) + PaginatorTemplates.button({ type: 'last', label: strings.last, classNames: classNames }); return PaginatorTemplates.buttons({ classNames: classNames, buttons: buttons }); }, /** Returns a string built from the gotoPage template. @protected @method _buildGotoGroup @return {String} @since 3.11.0 */ _buildGotoGroup: function () { return PaginatorTemplates.gotoPage({ classNames: this.classNames, strings: this.get('strings'), page: this.get('model').get('page') }); }, /** Returns a string built from the perPage template @protected @method _buildPerPageGroup @return {String} @since 3.11.0 */ _buildPerPageGroup: function () { var options = this.get('pageSizes'), rowsPerPage = this.get('model').get('rowsPerPage'), option, len, i; for (i = 0, len = options.length; i < len; i++ ) { option = options[i]; if (typeof option !== 'object') { option = { value: option, label: option }; } option.selected = (option.value === rowsPerPage) ? ' selected' : ''; } return PaginatorTemplates.perPage({ classNames: this.classNames, strings: this.get('strings'), options: this.get('pageSizes') }); }, /** Update the UI after the model has changed. @protected @method _modelChange @param {EventFacade} e @since 3.11.0 */ _modelChange: function (e) { var changed = e.changed, page = (changed && changed.page), itemsPerPage = (changed && changed.itemsPerPage); if (page) { this._updateControlsUI(page.newVal); } if (itemsPerPage) { this._updateItemsPerPageUI(itemsPerPage.newVal); if (!page) { this._updateControlsUI(e.target.get('page')); } } }, /** Updates the button controls and the gotoPage form @protected @method _updateControlsUI @param {Number} val Page number to set the UI input to @since 3.11.0 */ _updateControlsUI: function (val) { if (!this._rendered) { return; } var model = this.get('model'), controlClass = '.' + this.classNames.control, container = this.get('container'), hasPrev = model.hasPrevPage(), hasNext = model.hasNextPage(); container.one(controlClass + '-first') .toggleClass(CLASS_DISABLED, !hasPrev) .set('disabled', !hasPrev); container.one(controlClass + '-prev') .toggleClass(CLASS_DISABLED, !hasPrev) .set('disabled', !hasPrev); container.one(controlClass + '-next') .toggleClass(CLASS_DISABLED, !hasNext) .set('disabled', !hasNext); container.one(controlClass + '-last') .toggleClass(CLASS_DISABLED, !hasNext) .set('disabled', !hasNext); container.one('form input').set('value', val); }, /** Updates the drop down select for items per page @protected @method _updateItemsPerPageUI @param {Number} val Number of items to display per page @since 3.11.0 */ _updateItemsPerPageUI: function (val) { if (!this._rendered) { return; } this.get('container').one('select').set('value', val); }, /** Fire EVENT_UI when an enabled control button is clicked @protected @method _controlClick @param {EventFacade} e @since 3.11.0 */ _controlClick: function (e) { // buttons e.preventDefault(); var control = e.currentTarget; // register click events from the four control buttons if (control.hasClass(CLASS_DISABLED)) { return; } this.fire(EVENT_UI, { type: control.getData('type'), val: control.getData('page') || null }); }, /** Fire EVENT_UI with `type:perPage` after the select drop down changes @protected @method _controlChange @param {EventFacade} e @since 3.11.0 */ _controlChange: function (e) { // register change events from the perPage select if ( e.target.hasClass(CLASS_DISABLED) ) { return; } val = e.target.get('value'); this.fire(EVENT_UI, { type: 'perPage', val: parseInt(val, 10) }); }, /** Fire EVENT_UI with `type:page` after form is submitted @protected @method _controlSubmit @param {EventFacade} e @since 3.11.0 */ _controlSubmit: function (e) { if ( e.target.hasClass(CLASS_DISABLED) ) { return; } // the only form we have is the go to page form e.preventDefault(); input = e.target.one('input'); // Note: Convert input's value into a number. this.fire(EVENT_UI, { type: 'page', val: +input.get('value') }); }, /** Initializes classnames to be used with the templates @protected @method _initClassNames @since 3.11.0 */ _initClassNames: function () { this.classNames = { control: getClassName(NAME, 'control'), controls: getClassName(NAME, 'controls'), group: getClassName(NAME, 'group'), perPage: getClassName(NAME, 'per-page') }; }, /** Initializes strings used for internationalization @protected @method _initStrings @since 3.11.0 */ _initStrings: function () { // Not a valueFn because other class extensions may want to add to it this.set('strings', Y.mix((this.get('strings') || {}), Y.Intl.get('datatable-paginator'))); }, /** Returns an Array with default values for the Rows Per Page select option. We had to use a valueFn to enable language string replacement. @protected @method _defPageSizeVal @since 3.13.0 */ _defPageSizeVal: function () { this._initStrings(); var str = this.get('strings'); return [10, 50, 100, { label: str.showAll, value: -1 }] } }, { ATTRS: { /** Array of values used to populate the drop down for items per page @attribute pageSizes @type {Array} @default [ 10, 50, 100, { label: 'Show All', value: -1 } ] @since 3.11.0 */ pageSizes: { valueFn: '_defPageSizeVal' }, /** Model used for this view @attribute model @type {Model} @default null @since 3.11.0 */ model: {} } }); /** @class DataTable.Paginator @since 3.11.0 */ function Controller () {} Controller.ATTRS = { /** A model instance or a configuration object for the Model. @attribute paginatorModel @type {Model|Object} @default null @since 3.11.0 */ paginatorModel: { setter: '_setPaginatorModel', value: null, writeOnce: 'initOnly' }, /** A pointer to a Model object to be instantiated, or a String off of the `Y` namespace. This is only used if the `paginatorModel` is a configuration object or is null. @attribute paginatorModelType @type {Model|String} @default 'DataTable.Paginator.Model' @since 3.11.0 */ paginatorModelType: { getter: '_getConstructor', value: 'DataTable.Paginator.Model', writeOnce: 'initOnly' }, /** A pointer to a `Y.View` object to be instantiated. A new view will be created for each location provided. Each view created will be given the same model instance. @attribute paginatorView @type {View|String} @default 'DataTable.Paginator.View' @since 3.11.0 */ paginatorView: { getter: '_getConstructor', value: 'DataTable.Paginator.View', writeOnce: 'initOnly' }, // PAGINATOR CONFIGS /** Array of values used to populate the values in the Paginator UI allowing the end user to select the number of items to display per page. @attribute pageSizes @type {Array} @default [10, 50, 100, { label: 'Show All', value: -1 }] @since 3.11.0 */ pageSizes: { setter: '_setPageSizesFn', valueFn: '_defPageSizeVal' }, paginatorStrings: {}, /** Number of rows to display per page. As the UI changes the number of pages to display, this will update to reflect the value selected in the UI @attribute rowsPerPage @type {Number | null} @default null @since 3.11.0 */ rowsPerPage: { value: null }, /** String of `footer` or `header`, a Y.Node, or an Array or any combination of those values. @attribute paginatorLocation @type {String|Array|Node} @default footer @since 3.11.0 */ paginatorLocation: { value: 'footer' } }; Y.mix(Controller.prototype, { /** Sets the `paginatorModel` to the first page. @method firstPage @chainable @since 3.11.0 */ firstPage: function () { this.get('paginatorModel').set('page', 1); return this; }, /** Sets the `paginatorModel` to the last page. @method lastPage @chainable @since 3.11.0 */ lastPage: function () { var model = this.get('paginatorModel'); model.set('page', model.get('totalPages')); return this; }, /** Sets the `paginatorModel` to the previous page. @method previousPage @chainable @since 3.11.0 */ previousPage: function () { this.get('paginatorModel').prevPage(); return this; }, /** Sets the `paginatorModel` to the next page. @method nextPage @chainable @since 3.11.0 */ nextPage: function () { this.get('paginatorModel').nextPage(); return this; }, /// Init and protected /** Constructor logic @protected @method initializer @since 3.11.0 */ initializer: function () { // allow DT to use paged data this._initPaginatorStrings(); this._augmentData(); if (!this._eventHandles.paginatorRender) { this._eventHandles.paginatorRender = Y.Do.after(this._paginatorRender, this, 'render'); } }, /** Renders the paginator into locations and attaches events. @protected @method _paginatorRender @since 3.11.0 */ _paginatorRender: function () { var model = this.get('paginatorModel'); this._paginatorRenderUI(); model.after('change', this._afterPaginatorModelChange, this); this.after('dataChange', this._afterDataChangeWithPaginator, this); this.after('rowsPerPageChange', this._afterRowsPerPageChange, this); this.data.after(['add', 'remove', 'change'], this._afterDataUpdatesWithPaginator, this); // ensure our model has the correct totalItems set model.set('itemsPerPage', this.get('rowsPerPage')); model.set('totalItems', this.get('data').size()); }, /** After the data changes, we ensure we are on the first page and the data is augmented @protected @method _afterDataChangeWithPaginator @since 3.11.0 */ _afterDataChangeWithPaginator: function () { var data = this.get('data'), model = this.get('paginatorModel'); model.set('totalItems', data.size()); if (model.get('page') !== 1) { this.firstPage(); } else { this._augmentData(); data.fire.call(data, 'reset', { src: 'reset', models: data._items.concat() }); } }, /** After data has changed due to a model being added, removed, or changed, update paginator model totalItems to reflect the changes. @protected @method _afterDataUpdatesWithPaginator @param {EventFacade} e @since 3.13.0 */ _afterDataUpdatesWithPaginator: function () { var model = this.get('paginatorModel'), data = this.get('data'); model.set('totalItems', data.size()); }, /** After the rowsPerPage changes, update the UI to reflect the new number of rows to be displayed. If the new value is `null`, destroy all instances of the paginators. @protected @method _afterRowsPerPageChange @param {EventFacade} e @since 3.11.0 */ _afterRowsPerPageChange: function (e) { var data = this.get('data'), model = this.get('paginatorModel'), view; if (e.newVal !== null) { // turning on this._paginatorRenderUI(); if (!(data._paged)) { this._augmentData(); } data._paged.index = (model.get('page') - 1) * model.get('itemsPerPage'); data._paged.length = model.get('itemsPerPage'); } else { // e.newVal === null // destroy! while(this._pgViews.length) { view = this._pgViews.shift(); view.destroy({ remove: true }); view._rendered = null; } data._paged.index = 0; data._paged.length = null; } this.get('paginatorModel').set('itemsPerPage', parseInt(e.newVal, 10)); }, /** Parse each location and render a new view into each area. @protected @method _paginatorRenderUI @since 3.11.0 */ _paginatorRenderUI: function () { if (!this.get('rowsPerPage')) { return; } var views = this._pgViews, ViewClass = this.get('paginatorView'), viewConfig = { pageSizes: this.get('pageSizes'), model: this.get('paginatorModel') }, locations = this.get('paginatorLocation'); if (!Y.Lang.isArray(locations)) { locations = [locations]; } if (!views) { // set up initial rendering of views views = this._pgViews = []; } // for each placement area, push to views Y.Array.each(locations, function (location) { var view = new ViewClass(viewConfig), container = view.render().get('container'), row; view.after('*:ui', this._uiPgHandler, this); views.push(view); if (location._node) { // assume Y.Node location.append(container); // remove this container row if the view is ever destroyed this.after('destroy', function (/* e */) { view.destroy({ remove: true }); }); } else if (location === 'footer') { // DT Footer // Render a table footer if there isn't one if (!this.foot) { this.foot = new Y.DataTable.FooterView({ host: this }); this.foot.render(); this.fire('renderFooter', { view: this.foot }); } // create a row for the paginator to sit in row = Y.Node.create(PaginatorTemplates.rowWrapper({ wrapperClass: getClassName(NAME, 'wrapper'), numOfCols: this.get('columns').length })); row.one('td').append(container); this.foot.tfootNode.append(row); // remove this container row if the view is ever destroyed view.after('destroy', function (/* e */) { row.remove(true); }); } else if (location === 'header') { // 'header' means insert before the table // placement with the caption may need to be addressed if (this.view && this.view.tableNode) { this.view.tableNode.insert(container, 'before'); } else { this.get('contentBox').prepend(container); } } }, this); }, /** Handles the paginator's UI event into a single location. Updates the `paginatorModel` according to what type is provided. @protected @method _uiPgHandler @param {EventFacade} e @since 3.11.0 */ _uiPgHandler: function (e) { // e.type = control type (first|prev|next|last|page|perPage) // e.val = value based on the control type to pass to the model var model = this.get('paginatorModel'); switch (e.type) { case 'first': model.set('page', 1); break; case 'last': model.set('page', model.get('totalPages')); break; case 'prev': case 'next': // overflow intentional model[e.type + 'Page'](); break; case 'page': model.set('page', e.val); break; case 'perPage': model.set('itemsPerPage', e.val); model.set('page', 1); break; } }, /** Augments the model list with a paged structure, or updates the paged data. Then fires reset on the model list. @protected @method _afterPaginatorModelChange @param {EventFacade} [e] @since 3.11.0 */ _afterPaginatorModelChange: function () { var model = this.get('paginatorModel'), data = this.get('data'); if (!data._paged) { this._augmentData(); } else { data._paged.index = (model.get('page') - 1) * model.get('itemsPerPage'); data._paged.length = model.get('itemsPerPage'); } data.fire.call(data, 'reset', { src: 'reset', models: data._items.concat() }); }, /** Augments the model list data structure with paged implementations. The model list will contain a method for `getPage` that will return the given number of items listed within the range. `each` will also loop over the items in the page @protected @method _augmentData @since 3.11.0 */ _augmentData: function () { var model = this.get('paginatorModel'); if (this.get('rowsPerPage') === null) { return; } Y.mix(this.get('data'), { _paged: { index: (model.get('page') - 1) * model.get('itemsPerPage'), length: model.get('itemsPerPage') }, getPage: function () { var _pg = this._paged, min = _pg.index; // IE LTE 8 doesn't allow "undefined" as a second param - gh890 return (_pg.length >= 0) ? this._items.slice(min, min + _pg.length) : this._items.slice(min); }, size: function (paged) { return (paged && this._paged.length >=0 ) ? this._paged.length : this._items.length; }, each: function () { var args = Array.prototype.slice.call(arguments); args.unshift(this.getPage()); Y.Array.each.apply(null, args); return this; } }, true); }, /** Ensures `pageSizes` value is an array of objects to be used in the paginator view. @protected @method _setPageSizesFn @param {Array} val @return Array @since 3.11.0 */ _setPageSizesFn: function (val) { var i, len = val.length, label, value; if (!Y.Lang.isArray(val)) { val = [val]; len = val.length; } for ( i = 0; i < len; i++ ) { if (typeof val[i] !== 'object') { label = val[i]; value = val[i]; // We want to check to see if we have a number or a string // of a number. If we do not, we want the value to be -1 to // indicate "all rows" /*jshint eqeqeq:false */ if (parseInt(value, 10) != value) { value = -1; } /*jshint eqeqeq:true */ val[i] = { label: label, value: value }; } } return val; }, /** Ensures the object provided is an instance of a `Y.Model`. If it is not, it assumes it is the configuration of a model, and gets the new model type from `paginatorModelType`. @protected @method _setPaginatorModel @param {Model|Object} model @return Y.Model instance @since 3.11.0 */ _setPaginatorModel: function (model) { if (!(model && model._isYUIModel)) { var ModelConstructor = this.get('paginatorModelType'); model = new ModelConstructor(model); } return model; }, /** Returns a pointer to an object to be instantiated if the provided type is a string @protected @method _getConstructor @param {Object | String} type Type of Object to contruct. If `type` is a String, we assume it is a namespace off the Y object @return @since 3.11.0 */ _getConstructor: function (type) { return typeof type === 'string' ? Y.Object.getValue(Y, type.split('.')) : type; }, /** Initializes paginatorStrings used for internationalization @protected @method _initPaginatorStrings @since 3.13.0 */ _initPaginatorStrings: function () { // Not a valueFn because other class extensions may want to add to it this.set('paginatorStrings', Y.mix((this.get('paginatorStrings') || {}), Y.Intl.get('datatable-paginator'))); }, /** Returns an Array with default values for the Rows Per Page select option. We had to use a valueFn to enable language string replacement. @protected @method _defPageSizeVal @since 3.13.0 */ _defPageSizeVal: function () { this._initPaginatorStrings(); var str = this.get('paginatorStrings'); return [10, 50, 100, { label: str.showAll, value: -1 }] } }, true); Y.DataTable.Paginator = Controller; Y.DataTable.Paginator.Model = Model; Y.DataTable.Paginator.View = View; Y.Base.mix(Y.DataTable, [Y.DataTable.Paginator]); }, '3.17.2', { "requires": [ "model", "view", "paginator-core", "datatable-foot", "datatable-paginator-templates" ], "lang": [ "en", "fr" ], "skinnable": true });