130 lines
4.5 KiB
JavaScript
130 lines
4.5 KiB
JavaScript
/*
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* Server memory data source for the table control.
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*/
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+function ($) { "use strict";
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// NAMESPACE CHECK
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// ============================
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if ($.oc.table === undefined)
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throw new Error("The $.oc.table namespace is not defined. Make sure that the table.js script is loaded.");
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if ($.oc.table.datasource === undefined)
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throw new Error("The $.oc.table.datasource namespace is not defined. Make sure that the table.datasource.base.js script is loaded.");
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// CLASS DEFINITION
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// ============================
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var Base = $.oc.table.datasource.base,
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BaseProto = Base.prototype
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var Server = function(tableObj) {
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Base.call(this, tableObj)
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var dataString = tableObj.getElement().getAttribute('data-data')
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if (dataString === null || dataString === undefined)
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throw new Error('The required data-data attribute is not found on the table control element.')
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this.data = JSON.parse(dataString)
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};
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Server.prototype = Object.create(BaseProto)
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Server.prototype.constructor = Server
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Server.prototype.dispose = function() {
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BaseProto.dispose.call(this)
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this.data = null
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}
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/*
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* Fetches records from the underlying data source and
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* passes them to the onSuccess callback function.
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* The onSuccess callback parameters: records, totalCount.
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* Each record contains the key field which uniquely identifies
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* the record. The name of the key field is defined with the table
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* widget options.
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*/
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Server.prototype.getRecords = function(offset, count, onSuccess) {
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var handlerName = this.tableObj.getAlias()+'::onServerGetRecords'
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this.tableObj.$el.request(handlerName, {
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data: {
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offset: offset,
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count: count
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}
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}).done(function(data) {
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onSuccess(data.records, data.count)
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})
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}
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/*
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* Creates a record with the passed data and returns the updated page records
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* to the onSuccess callback function.
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*
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* - recordData - the record fields
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* - placement - "bottom" (the end of the data set), "above", "below"
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* - relativeToKey - a row key, required if the placement is not "bottom"
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* - offset - the current page's first record index (zero-based)
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* - count - number of records to return
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* - onSuccess - a callback function to execute when the updated data gets available.
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*
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* The onSuccess callback parameters: records, totalCount.
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*/
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Server.prototype.createRecord = function(recordData, placement, relativeToKey, offset, count, onSuccess) {
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var handlerName = this.tableObj.getAlias()+'::onServerCreateRecord'
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this.tableObj.$el.request(handlerName, {
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data: {
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recordData: recordData,
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placement: placement,
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relativeToKey: relativeToKey,
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offset: offset,
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count: count
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}
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}).done(function(data) {
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onSuccess(data.records, data.count)
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})
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}
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/*
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* Updates a record with the specified key with the passed data
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*
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* - key - the record key in the dataset (primary key, etc)
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* - recordData - the record fields.
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*/
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Server.prototype.updateRecord = function(key, recordData) {
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var handlerName = this.tableObj.getAlias()+'::onServerUpdateRecord'
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this.tableObj.$el.request(handlerName, {
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data: {
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key: key,
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recordData: recordData
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}
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})
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}
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/*
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* Deletes a record with the specified key.
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*
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* - key - the record key in the dataset (primary key, etc).
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* - newRecordData - replacement record to add to the dataset if the deletion
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* empties it.
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* - offset - the current page's first record key (zero-based)
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* - count - number of records to return
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* - onSuccess - a callback function to execute when the updated data gets available.
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*
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* The onSuccess callback parameters: records, totalCount.
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*/
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Server.prototype.deleteRecord = function(key, newRecordData, offset, count, onSuccess) {
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var handlerName = this.tableObj.getAlias()+'::onServerDeleteRecord'
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this.tableObj.$el.request(handlerName, {
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data: {
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key: key,
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offset: offset,
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count: count
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}
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}).done(function(data) {
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onSuccess(data.records, data.count)
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})
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}
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$.oc.table.datasource.server = Server
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}(window.jQuery); |