Autodesk 15606-011408-9300 Developer Guide - Page 167

DWG Filtering Application selChanged Example Code

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7 Set the layer filter from the selected filter list using the dwgMapLayerDataSource.setLayerFilter(filterList) method. 8 Refresh the map using the map.refresh method. DWG Filtering Application selChanged Example Code // Selection Changed Function // Called whenever items are selected or deselected in the list box function selChanged() { var map = getMap(); // Use the single map layer Floor Plan var mapLayer = map.getMapLayer("Floor Plan"); // Get DWG data source object for the layer var mapLayerSetup = mapLayer.getLayerSetup(); var dwgMapLayerDataSource = mapLayerSetup.getDwgDataSources(); // Create a collection object to hold filters selected fromlist box var mapDwgLayerFilters = map.createObject("MGCollection"); // Iterate through list box selections and add each to the collection var selOptions = document.forms[0].filters.options; for (var i = 0; i < selOptions.length; i++) { if (selOptions[i].selected) { var selectedFilter = selOptions[i].value; if (selectedFilter != null) mapDwgLayerFilters.add(selectedFilter); } } // Create comma-delimited string containing selected filters. var filterList = ""; for (var i = 0; i < mapDwgLayerFilters.size(); i++) { var filter = mapDwgLayerFilters.item(i); if (i == mapDwgLayerFilters.size() - 1) filterList = filterList + filter; else filterList = filterList + filter Set the layer filter from the selected filter list dwgMapLayerDataSource.setLayerFilter(filterList); map.refresh(); } DWG Filtering Application | 167

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DWG Filtering Application
|
167
7
Set the layer filter from the selected filter list using the
dwgMapLayerDataSource.setLayerFilter(filterList)
method.
8
Refresh the map using the
map.refresh
method.
DWG Filtering Application selChanged Example Code
// Selection Changed Function
// Called whenever items are selected or deselected in the list box
function selChanged()
{
var map = getMap();
// Use the single map layer Floor Plan
var mapLayer = map.getMapLayer("Floor Plan");
// Get DWG data source object for the layer
var mapLayerSetup = mapLayer.getLayerSetup();
var dwgMapLayerDataSource = mapLayerSetup.getDwgDataSources();
// Create a collection object to hold filters selected fromlist box
var mapDwgLayerFilters = map.createObject("MGCollection");
// Iterate through list box selections and add each to the collection
var selOptions = document.forms[0].filters.options;
for (var i = 0; i < selOptions.length; i++)
{
if (selOptions[i].selected)
{
var selectedFilter = selOptions[i].value;
if (selectedFilter != null)
mapDwgLayerFilters.add(selectedFilter);
}
}
// Create comma-delimited string containing selected filters.
var filterList = "";
for (var i = 0; i < mapDwgLayerFilters.size(); i++)
{
var filter = mapDwgLayerFilters.item(i);
if (i == mapDwgLayerFilters.size() - 1)
filterList = filterList + filter;
else
filterList = filterList + filter + ", ";
}
// Set the layer filter from the selected filter list
dwgMapLayerDataSource.setLayerFilter(filterList);
map.refresh();
}