// SpryDataSetShell.js - version 0.1 - Spry Pre-Release 1.6
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//
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// Copyright (c) 2007. Adobe Systems Incorporated.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Adobe Systems Incorporated nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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Spry.Data.DataSetShell = function(ds, options)
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{
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this.currentDS = ds;
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this.options = options;
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Spry.Data.DataSet.call(this, options);
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if (this.currentDS)
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this.currentDS.addObserver(this.getObserverFunc(this.currentDS));
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};
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Spry.Data.DataSetShell.prototype = new Spry.Data.DataSet();
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Spry.Data.DataSetShell.prototype.constructor = Spry.Data.DataSetShell.prototype;
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Spry.Data.DataSetShell.prototype.getObserverFunc = function(ds)
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{
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var self = this;
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return function(notificationType, notifier, data) { self.notifyObservers(notificationType, data); };
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};
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Spry.Data.DataSetShell.prototype.setInternalDataSet = function(ds, loadDS)
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{
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var cds = this.currentDS;
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if (cds != ds)
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{
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var wasLoaded = ds.getDataWasLoaded();
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if (wasLoaded)
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this.notifyObservers("onPreLoad");
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if (cds)
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cds.removeObserver(this.getObserverFunc(cds));
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this.currentDS = ds;
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ds.addObserver(this.getObserverFunc(ds));
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if (wasLoaded)
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{
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this.notifyObservers("onPostLoad");
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this.notifyObservers("onDataChanged");
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}
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else if (loadDS)
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ds.loadData();
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}
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};
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Spry.Data.DataSetShell.prototype.getInternalDataSet = function()
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{
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return this.currentDS;
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};
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Spry.Data.DataSetShell.prototype.getNestedDataSetForParentRow = function(parentRow)
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{
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return this.currentDS ? this.currentDS.getNestedDataSetForParentRow() : null;
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};
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Spry.Data.DataSetShell.prototype.getParentDataSet = function()
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{
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if (this.currentDS && this.currentDS.getParentDataSet)
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return this.currentDS.getParentDataSet();
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return null;
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};
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Spry.Data.DataSetShell.prototype.loadData = function()
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{
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if (this.currentDS && !this.currentDS.getLoadDataRequestIsPending())
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this.currentDS.loadData();
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};
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Spry.Data.DataSetShell.prototype.getData = function(unfiltered)
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{
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if (this.currentDS)
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return this.currentDS.getData(unfiltered);
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return [];
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};
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Spry.Data.DataSetShell.prototype.getLoadDataRequestIsPending = function()
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{
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return this.currentDS ? this.currentDS.getLoadDataRequestIsPending() : false;
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};
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Spry.Data.DataSetShell.prototype.getDataWasLoaded = function()
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{
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return this.currentDS ? this.currentDS.getDataWasLoaded() : false;
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};
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Spry.Data.DataSetShell.prototype.setDataFromArray = function(arr, fireSyncLoad)
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{
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if (this.currentDS)
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this.currentDS.setDataFromArray(arr, fireSyncLoad);
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};
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Spry.Data.DataSetShell.prototype.cancelLoadData = function()
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{
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if (this.currentDS)
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this.currentDS.cancelLoadData();
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};
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Spry.Data.DataSetShell.prototype.getRowCount = function(unfiltered)
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{
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return this.currentDS ? this.currentDS.getRowCount(unfiltered) : 0;
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};
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Spry.Data.DataSetShell.prototype.getRowByID = function(rowID)
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{
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return this.currentDS ? this.currentDS.getRowByID(rowID) : undefined;
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};
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Spry.Data.DataSetShell.prototype.getRowByRowNumber = function(rowNumber, unfiltered)
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{
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return this.currentDS ? this.currentDS.getRowByRowNumber(rowNumber, unfiltered) : null;
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};
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Spry.Data.DataSetShell.prototype.getCurrentRow = function()
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{
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return this.currentDS ? this.currentDS.getCurrentRow(): null;
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};
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Spry.Data.DataSetShell.prototype.setCurrentRow = function(rowID)
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{
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if (this.currentDS)
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this.currentDS.setCurrentRow(rowID);
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};
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Spry.Data.DataSetShell.prototype.getRowNumber = function(row)
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{
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return this.currentDS ? this.currentDS.getRowNumber(row) : 0;
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};
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Spry.Data.DataSetShell.prototype.getCurrentRowNumber = function()
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{
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return this.currentDS ? this.currentDS.getCurrentRowNumber(): 0;
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};
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Spry.Data.DataSetShell.prototype.getCurrentRowID = function()
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{
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return this.currentDS ? this.currentDS.getCurrentRowID() : 0;
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};
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Spry.Data.DataSetShell.prototype.setCurrentRowNumber = function(rowNumber)
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{
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if (this.currentDS)
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this.currentDS.setCurrentRowNumber(rowNumber);
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};
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Spry.Data.DataSetShell.prototype.findRowsWithColumnValues = function(valueObj, firstMatchOnly, unfiltered)
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{
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if (this.currentDS)
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return this.currentDS.findRowsWithColumnValues(valueObj, firstMatchOnly, unfiltered);
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return firstMatchOnly ? null : [];
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};
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Spry.Data.DataSetShell.prototype.setColumnType = function(columnNames, columnType)
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{
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if (this.currentDS)
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this.currentDS.setColumnType(columnNames, columnType);
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};
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Spry.Data.DataSetShell.prototype.getColumnType = function(columnName)
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{
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return this.currentDS ? this.currentDS.getColumnType(columnName) : "string";
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};
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Spry.Data.DataSetShell.prototype.distinct = function(columnNames)
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{
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if (this.currentDS)
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this.currentDS.distinct(columnNames);
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};
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Spry.Data.DataSetShell.prototype.getSortColumn = function()
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{
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return this.currentDS ? this.currentDS.getSortColumn() : "";
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};
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Spry.Data.DataSetShell.prototype.getSortOrder = function()
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{
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return this.currentDS ? this.currentDS.getSortOrder() : "";
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};
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Spry.Data.DataSetShell.prototype.sort = function(columnNames, sortOrder)
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{
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if (this.currentDS)
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this.currentDS.sort(columnNames, sortOrder);
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};
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Spry.Data.DataSetShell.prototype.filterData = function(filterFunc, filterOnly)
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{
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if (this.currentDS)
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this.currentDS.filterData(filterFunc, filterOnly);
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};
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Spry.Data.DataSetShell.prototype.filter = function(filterFunc, filterOnly)
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{
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if (this.currentDS)
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this.currentDS.filter(filterFunc, filterOnly);
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};
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