/// <summary>
/// Initializes the property pane from the given selection set
/// </summary>
/// <param name="set"></param>
public void Init(MgSelectionSet set)
{
propGrid.SelectedObject = null;
featureToolStrip.Visible = false;
if (_sset != null)
{
_sset.Dispose();
_sset = null;
cmbLayer.Items.Clear();
_currentLayerFeatures.Clear();
}
_sset = set;
var layerNames = _sset.LayerNames;
cmbLayer.Items.AddRange(layerNames);
if (layerNames.Length > 0)
{
cmbLayer.SelectedIndex = 0;
}
controlToolStrip.Visible = (layerNames.Length > 0);
}
void OnViewerSelectionChanged(object sender, EventArgs e)
{
if (this.Layers == null || this.Layers.Length == 0)
{
return;
}
var sel = _viewer.GetSelection();
var selLayers = sel.GetLayers();
if (selLayers != null)
{
var selectionSet = new MgSelectionSet(sel, _viewer.GetProvider());
var layers = new Dictionary <string, MgLayerBase>();
for (int i = 0; i < selLayers.Count; i++)
{
var layerItem = selLayers.GetItem(i);
layers.Add(layerItem.Name, layerItem);
}
foreach (var layerName in this.Layers)
{
if (layers.ContainsKey(layerName))
{
var h = this.SelectionMade;
if (h != null)
{
h(selectionSet);
}
}
}
}
}
public SelectedFeaturesWindow(MgSelectionSet set)
{
InitializeComponent();
_set = set;
cmbLayer.DataSource = _set.LayerNames;
cmbLayer.SelectedIndex = 0;
}
void OnViewerSelectionChanged(object sender, EventArgs e)
{
if (this.Layers == null || this.Layers.Length == 0)
return;
var sel = _viewer.GetSelection();
var selLayers = sel.GetLayers();
if (selLayers != null)
{
var selectionSet = new MgSelectionSet(sel, _viewer.GetProvider());
var layers = new Dictionary<string, MgLayerBase>();
for (int i = 0; i < selLayers.Count; i++)
{
var layerItem = selLayers.GetItem(i);
layers.Add(layerItem.Name, layerItem);
}
foreach (var layerName in this.Layers)
{
if (layers.ContainsKey(layerName))
{
var h = this.SelectionMade;
if (h != null)
{
h(selectionSet);
}
}
}
}
}
void OnMapSelectionChanged(object sender, EventArgs e)
{
if (_propPane != null || _statBar != null)
{
var sel = _viewer.GetSelection();
var sset = new MgSelectionSet(sel, _viewer.GetProvider());
if (_propPane != null)
{
_propPane.Init(sset);
}
if (_statBar != null)
{
_statBar.SetFeatureSelectedMessage(string.Format(Strings.StatFeaturesSelected, sset.TotalCount));
}
}
}
/// <summary>
/// Initializes the property pane from the given selection set
/// </summary>
/// <param name="set"></param>
public void Init(MgSelectionSet set)
{
propGrid.SelectedObject = null;
featureToolStrip.Visible = false;
if (_sset != null)
{
_sset.Dispose();
_sset = null;
cmbLayer.Items.Clear();
_currentLayerFeatures.Clear();
}
_sset = set;
var layerNames = _sset.LayerNames;
cmbLayer.Items.AddRange(layerNames);
if (layerNames.Length > 0)
cmbLayer.SelectedIndex = 0;
controlToolStrip.Visible = (layerNames.Length > 0);
}
private void mgLayerSelectionHandler1_SelectionMade(MgSelectionSet selectedFeatures)
{
if (Array.IndexOf(selectedFeatures.LayerNames, "Parcels") >= 0)
{
MgFeature[] features = selectedFeatures.GetFeaturesForLayer("Parcels");
MessageBox.Show(features.Length + " parcels selected");
}
}
private void btnListSelected_Click(object sender, EventArgs e)
{
// There's two ways to process a selection
//
// 1. Iterate through the layers of a MgSelectionSet and process
// the feature reader for each layer
//
// 2. Use an MgSelectionSet helper class
//
// This example shows the 2nd way, which is the simpler one
MgSelectionBase selection = _viewer.GetSelection();
MgMapViewerProvider provider = _viewer.GetProvider();
MgSelectionSet sset = new MgSelectionSet(selection);
new SelectedFeaturesWindow(sset).ShowDialog();
}
void OnMapSelectionChanged(object sender, EventArgs e)
{
if (_propPane != null || _statBar != null)
{
var sel = _viewer.GetSelection();
var sset = new MgSelectionSet(sel, _viewer.GetProvider());
if (_propPane != null)
_propPane.Init(sset);
if (_statBar != null)
_statBar.SetFeatureSelectedMessage(string.Format(Strings.StatFeaturesSelected, sset.TotalCount));
}
}
