// 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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{this.currentDS=ds;this.options=options;Spry.Data.DataSet.call(this,options);if(this.currentDS)
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this.currentDS.addObserver(this.getObserverFunc(this.currentDS));};Spry.Data.DataSetShell.prototype=new Spry.Data.DataSet();Spry.Data.DataSetShell.prototype.constructor=Spry.Data.DataSetShell.prototype;Spry.Data.DataSetShell.prototype.getObserverFunc=function(ds)
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{var self=this;return function(notificationType,notifier,data){self.notifyObservers(notificationType,data);};};Spry.Data.DataSetShell.prototype.setInternalDataSet=function(ds,loadDS)
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{var cds=this.currentDS;if(cds!=ds)
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{var wasLoaded=ds.getDataWasLoaded();if(wasLoaded)
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this.notifyObservers("onPreLoad");if(cds)
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cds.removeObserver(this.getObserverFunc(cds));this.currentDS=ds;ds.addObserver(this.getObserverFunc(ds));if(wasLoaded)
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{this.notifyObservers("onPostLoad");this.notifyObservers("onDataChanged");}
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else if(loadDS)
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ds.loadData();}};Spry.Data.DataSetShell.prototype.getInternalDataSet=function()
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{return this.currentDS;};Spry.Data.DataSetShell.prototype.getNestedDataSetForParentRow=function(parentRow)
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{return this.currentDS?this.currentDS.getNestedDataSetForParentRow():null;};Spry.Data.DataSetShell.prototype.getParentDataSet=function()
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{if(this.currentDS&&this.currentDS.getParentDataSet)
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return this.currentDS.getParentDataSet();return null;};Spry.Data.DataSetShell.prototype.loadData=function()
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{if(this.currentDS&&!this.currentDS.getLoadDataRequestIsPending())
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this.currentDS.loadData();};Spry.Data.DataSetShell.prototype.getData=function(unfiltered)
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{if(this.currentDS)
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return this.currentDS.getData(unfiltered);return[];};Spry.Data.DataSetShell.prototype.getLoadDataRequestIsPending=function()
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{return this.currentDS?this.currentDS.getLoadDataRequestIsPending():false;};Spry.Data.DataSetShell.prototype.getDataWasLoaded=function()
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{return this.currentDS?this.currentDS.getDataWasLoaded():false;};Spry.Data.DataSetShell.prototype.setDataFromArray=function(arr,fireSyncLoad)
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{if(this.currentDS)
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this.currentDS.setDataFromArray(arr,fireSyncLoad);};Spry.Data.DataSetShell.prototype.cancelLoadData=function()
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{if(this.currentDS)
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this.currentDS.cancelLoadData();};Spry.Data.DataSetShell.prototype.getRowCount=function(unfiltered)
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{return this.currentDS?this.currentDS.getRowCount(unfiltered):0;};Spry.Data.DataSetShell.prototype.getRowByID=function(rowID)
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{return this.currentDS?this.currentDS.getRowByID(rowID):undefined;};Spry.Data.DataSetShell.prototype.getRowByRowNumber=function(rowNumber,unfiltered)
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{return this.currentDS?this.currentDS.getRowByRowNumber(rowNumber,unfiltered):null;};Spry.Data.DataSetShell.prototype.getCurrentRow=function()
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{return this.currentDS?this.currentDS.getCurrentRow():null;};Spry.Data.DataSetShell.prototype.setCurrentRow=function(rowID)
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{if(this.currentDS)
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this.currentDS.setCurrentRow(rowID);};Spry.Data.DataSetShell.prototype.getRowNumber=function(row)
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{return this.currentDS?this.currentDS.getRowNumber(row):0;};Spry.Data.DataSetShell.prototype.getCurrentRowNumber=function()
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{return this.currentDS?this.currentDS.getCurrentRowNumber():0;};Spry.Data.DataSetShell.prototype.getCurrentRowID=function()
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{return this.currentDS?this.currentDS.getCurrentRowID():0;};Spry.Data.DataSetShell.prototype.setCurrentRowNumber=function(rowNumber)
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{if(this.currentDS)
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this.currentDS.setCurrentRowNumber(rowNumber);};Spry.Data.DataSetShell.prototype.findRowsWithColumnValues=function(valueObj,firstMatchOnly,unfiltered)
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{if(this.currentDS)
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return this.currentDS.findRowsWithColumnValues(valueObj,firstMatchOnly,unfiltered);return firstMatchOnly?null:[];};Spry.Data.DataSetShell.prototype.setColumnType=function(columnNames,columnType)
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{if(this.currentDS)
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this.currentDS.setColumnType(columnNames,columnType);};Spry.Data.DataSetShell.prototype.getColumnType=function(columnName)
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{return this.currentDS?this.currentDS.getColumnType(columnName):"string";};Spry.Data.DataSetShell.prototype.distinct=function(columnNames)
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{if(this.currentDS)
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this.currentDS.distinct(columnNames);};Spry.Data.DataSetShell.prototype.getSortColumn=function()
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{return this.currentDS?this.currentDS.getSortColumn():"";};Spry.Data.DataSetShell.prototype.getSortOrder=function()
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{return this.currentDS?this.currentDS.getSortOrder():"";};Spry.Data.DataSetShell.prototype.sort=function(columnNames,sortOrder)
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{if(this.currentDS)
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this.currentDS.sort(columnNames,sortOrder);};Spry.Data.DataSetShell.prototype.filterData=function(filterFunc,filterOnly)
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{if(this.currentDS)
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this.currentDS.filterData(filterFunc,filterOnly);};Spry.Data.DataSetShell.prototype.filter=function(filterFunc,filterOnly)
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{if(this.currentDS)
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this.currentDS.filter(filterFunc,filterOnly);};
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