// SpryDataExtensions.js - version 0.3 - 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.DataSet.multiFilterFuncs={};Spry.Data.DataSet.multiFilterFuncs.and=function(ds,row,rowNumber)
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{var filters=ds.activeFilters;if(filters)
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{var numFilters=filters.length;for(var i=0;i<numFilters;i++)
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{row=filters[i](ds,row,rowNumber);if(!row)
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break;}}
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return row;};Spry.Data.DataSet.multiFilterFuncs.or=function(ds,row,rowNumber)
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{var filters=ds.activeFilters;if(filters&&filters.length>0)
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{var numFilters=filters.length;for(var i=0;i<numFilters;i++)
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{var savedRow=row;row=filters[i](ds,row,rowNumber);if(row)
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return row;row=savedRow;}
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return null;}
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return row;};Spry.Data.DataSet.prototype.getMultiFilterFunc=function()
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{var func=Spry.Data.DataSet.multiFilterFuncs[this.getFilterMode()];return func?func:Spry.Data.DataSet.multiFilterFuncs["and"];};Spry.Data.DataSet.prototype.addFilter=function(filterFunc,doApplyFilters)
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{if(!this.hasFilter(filterFunc))
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{if(!this.activeFilters)
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this.activeFilters=[];this.activeFilters.push(filterFunc);}
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if(doApplyFilters)
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this.applyFilters();};Spry.Data.DataSet.prototype.removeFilter=function(filterFunc,doApplyFilters)
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{var filters=this.activeFilters;if(filters)
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{var numFilters=filters.length;for(var i=0;i<numFilters;i++)
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{if(filters[i]==filterFunc)
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{this.activeFilters.splice(i,1);if(doApplyFilters)
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this.applyFilters();return;}}}};Spry.Data.DataSet.prototype.removeAllFilters=function(doApplyFilters)
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{var filters=this.activeFilters;if(filters&&filters.length>0)
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{this.activeFilters=[];if(doApplyFilters)
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this.applyFilters();}};Spry.Data.DataSet.prototype.getFilters=function(filterFunc)
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{if(!this.activeFilters)
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this.activeFilters=[];return this.activeFilters;};Spry.Data.DataSet.prototype.applyFilters=function()
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{if(this.activeFilters&&this.activeFilters.length>0)
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this.filter(this.getMultiFilterFunc());else
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this.filter(null);};Spry.Data.DataSet.prototype.hasFilter=function(filterFunc)
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{if(!this.activeFilters&&this.activeFilters>0)
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{var filters=this.activeFilters;var numFilters=filters.length;for(var i=0;i<numFilters;i++)
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{if(filters[i]==filterFunc)
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return true;}}
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return false;};Spry.Data.DataSet.prototype.getFilterMode=function()
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{return this.filterMode?this.filterMode:"and";};Spry.Data.DataSet.prototype.setFilterMode=function(mode,doApplyFilters)
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{var oldMode=this.getFilterMode();this.filterMode=mode;if(doApplyFilters)
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this.applyFilters();return oldMode;};
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