private void mgMapViewer1_SelectionChanged(object sender, EventArgs e)
{
MgSelectionBase selection = mgMapViewer1.GetSelection();
MgReadOnlyLayerCollection layers = selection.GetLayers();
if (layers != null)
{
for (int i = 0; i < layers.GetCount(); i++)
{
MgLayerBase layer = layers.GetItem(i);
if (layer.Name == "Parcels") //The selected layer is parcels
{
//Check that we only have one selected object
int count = selection.GetSelectedFeaturesCount(layer, layer.FeatureClassName);
if (count == 1)
{
MgFeatureReader reader = null;
try
{
reader = selection.GetSelectedFeatures(layer, layer.FeatureClassName, false);
if (reader.ReadNext())
{
//Address is in the RPROPAD property
if (reader.IsNull("RPROPAD"))
{
MessageBox.Show("Selected parcel has no address");
}
else
{
MessageBox.Show("Address: " + reader.GetString("RPROPAD"));
}
}
}
finally //Must close all readers, otherwise connections will leak
{
reader.Close();
}
}
else
{
MessageBox.Show("Please select only one parcel");
}
break;
}
}
}
}
internal MgSelectionSet(MgSelectionBase selection, MgMapViewerProvider provider)
{
_agfRw = new MgAgfReaderWriter();
_features = new Dictionary <string, List <MgFeature> >();
var selLayers = selection.GetLayers();
if (selLayers != null)
{
for (int i = 0; i < selLayers.GetCount(); i++)
{
var layer = selLayers.GetItem(i);
var clsName = layer.GetFeatureClassName();
int selCount = selection.GetSelectedFeaturesCount(layer, clsName);
if (selCount == 0)
{
System.Diagnostics.Trace.TraceWarning("No items in selection set for this layer (" + layer.GetName() + "). Layer shouldn't be here then");
continue;
}
NameValueCollection mappings = (provider != null) ? provider.GetPropertyMappings(layer) : null;
_features[layer.Name] = new List <MgFeature>();
var reader = selection.GetSelectedFeatures(layer, layer.GetFeatureClassName(), false);
while (reader.ReadNext())
{
var feature = CreateFeatureFromReader(reader);
if (mappings != null)
{
PerformDisplayNameSubstitution(feature, mappings);
}
_features[layer.Name].Add(feature);
}
reader.Close();
}
}
}
internal MgSelectionSet(MgSelectionBase selection, MgMapViewerProvider provider)
{
_agfRw = new MgAgfReaderWriter();
_features = new Dictionary<string, List<MgFeature>>();
var selLayers = selection.GetLayers();
if (selLayers != null)
{
for (int i = 0; i < selLayers.GetCount(); i++)
{
var layer = selLayers.GetItem(i);
var clsName = layer.GetFeatureClassName();
int selCount = selection.GetSelectedFeaturesCount(layer, clsName);
if (selCount == 0)
{
System.Diagnostics.Trace.TraceWarning("No items in selection set for this layer (" + layer.GetName() + "). Layer shouldn't be here then");
continue;
}
NameValueCollection mappings = (provider != null) ? provider.GetPropertyMappings(layer) : null;
_features[layer.Name] = new List<MgFeature>();
var reader = selection.GetSelectedFeatures(layer, layer.GetFeatureClassName(), false);
while (reader.ReadNext())
{
var feature = CreateFeatureFromReader(reader);
if (mappings != null)
PerformDisplayNameSubstitution(feature, mappings);
_features[layer.Name].Add(feature);
}
reader.Close();
}
}
}
} //method
internal static void SelectionToDataGridView(MgSelectionBase _selection_base)
{
palette_window.links_control.is_suspended = true; // информируем о заморозке
palette_window.links_control.SuspendLayout(); // замораживаем логику
palette_window.links_control.data_grid.Enabled = false;
palette_window.links_control.data_grid.SuspendLayout(); // замораживаем логику DataGridView
palette_window.links_control.layers_list.Enabled = false;
palette_window.links_control.progressbar_in_status.Visible = true; // включение ProgressBar
palette_window.links_control.status_strip.Refresh();
MgReadOnlyLayerCollection layers = _selection_base.GetLayers();
int curr_features_count = 0, features_count = 0;
// подсчет количества выбранных объектов
foreach (MgLayerBase layer in layers)
{
features_count += _selection_base.GetSelectedFeaturesCount(layer, layer.FeatureClassName);
}
if (features_count == 0)
{
return;
}
// заполнение списка слоев
palette_window.links_control.layers_list.Items.Clear(); // очищаем список
if (layers.Count > 1)
{
palette_window.links_control.layers_list.Items.Add("(Все выбранные)");
}
foreach (MgLayerBase layer in layers)
{
palette_window.links_control.layers_list.Items.Add(layer.Name);
}
palette_window.links_control.layers_list.SelectedIndex = 0;
// заполнение DataGridView
palette_window.links_control.data_grid.Rows.Clear(); // очищаем строки
foreach (MgLayerBase layer in layers)
{
int curr_ftr_class_idx = config.IndexOf(layer.FeatureClassName);
if (curr_ftr_class_idx == -1)
{
curr_features_count += _selection_base.GetSelectedFeaturesCount(layer, layer.FeatureClassName);;
palette_window.links_control.UpdateStatusRowCounterLabelAndProgressBar(curr_features_count, features_count);
continue;
}
FeatureClassLinkInfo curr_link_info = config.link_info_array[curr_ftr_class_idx];
MgFeatureReader ftr_rdr = _selection_base.GetSelectedFeatures(layer, layer.FeatureClassName, false);
MgPropertyDefinitionCollection identity_prop_defs = ftr_rdr.GetClassDefinition().GetIdentityProperties(); // получаем набор идентификационных полей
while (ftr_rdr.ReadNext())
{
curr_features_count++;
DataGridViewRow link_row = new DataGridViewRow(); // новая строка
DataGridViewLinkCell link_cell; // ячейка
// формирование URL
link_cell = new DataGridViewLinkCell();
string title_str = ResolveLinkStringByValueFromReader(ftr_rdr, curr_link_info.LinkTitle);
link_cell.Value = String.IsNullOrEmpty(title_str)? "<Null>": title_str;
link_cell.ToolTipText =
curr_link_info.LinkCommandPath
+ command_splitter
+ ResolveLinkStringByValueFromReader(ftr_rdr, curr_link_info.LinkURL);
link_row.Cells.Add(link_cell); // вставка ячейки
// формирование ID
MgPropertyCollection curr_identity_props = GetPropertiesFromReader(ftr_rdr, identity_prop_defs);
SelectedFeatureInfo sel_info = new SelectedFeatureInfo(layer, curr_identity_props);
link_cell = new DataGridViewLinkCell();
link_cell.Value = sel_info;
link_row.Cells.Add(link_cell); // вставка ячейки
// добавлени строки в DataGridView
palette_window.links_control.data_grid.Rows.Add(link_row);
// обновление ProgressBar'а и счетчика строк
palette_window.links_control.UpdateStatusRowCounterLabelAndProgressBar(curr_features_count, features_count);
} /// while (ftr_rdr.ReadNext())
} /// foreach (MgLayerBase layer in layers)
palette_window.links_control.URL.SortMode = DataGridViewColumnSortMode.NotSortable; // сброс сортировки
palette_window.links_control.URL.SortMode = DataGridViewColumnSortMode.Automatic; // на исходную автоматическую
palette_window.links_control.data_grid.SelectAll(); // выбираем все строки
palette_window.links_control.progressbar_in_status.Visible = false;
palette_window.links_control.layers_list.Enabled = true;
palette_window.links_control.data_grid.Enabled = true;
palette_window.links_control.data_grid.ResumeLayout(); // размораживаем логику DataGridView
palette_window.links_control.ResumeLayout(); // размораживаем логику
palette_window.links_control.is_suspended = false;
palette_window.links_control.UpdateStatusRowCounterLabel(); // обновляем строку статуса
}
private static int GetSelectionTotal(MgSelectionBase sel)
{
int total = 0;
var layers = sel.GetLayers();
if (layers != null)
{
for (int i = 0; i < layers.GetCount(); i++)
{
var layer = layers.GetItem(i);
total += sel.GetSelectedFeaturesCount(layer, layer.FeatureClassName);
}
}
return total;
}