com.vividsolutions.jump.workbench.ui
Class SelectionManager
java.lang.Object
com.vividsolutions.jump.workbench.ui.SelectionManager
public class SelectionManager
- extends java.lang.Object
Provides aggregate information for selected features, parts, and linestrings.
Note that there is a difference between "selected features" and "features with
selected items": the former consists of wholly selected features; the latter,
wholly and partially selected features. To access a specific level of selection,
use #getFeatureSelection, #getPartSelection, or #getLineStringSelection.
"Parts" are components of GeometryCollections.
To get wholly selected features (i.e. not those that just have selected
parts or linestrings), use getFeatureSelection().getFeaturesWithSelectedItems()
To get features that are selected or have selected parts or linestrings,
use getFeaturesWithSelectedItems()
Yes there is a way to listen for selection events: LayerViewPanel#addListener.
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
featuresWithSelectedItemsCount
protected int featuresWithSelectedItemsCount
selectedItems
protected int selectedItems
SelectionManager
public SelectionManager(LayerViewPanel panel,
LayerManagerProxy layerManagerProxy)
createFeaturesFromSelectedItems
public java.util.Collection createFeaturesFromSelectedItems()
- A feature may get split into two or more -- for example, if two linestrings of a feature
are selected.
createFeaturesFromSelectedItems
public java.util.Collection createFeaturesFromSelectedItems(Layer layer)
clear
public void clear()
getFeatureSelection
public FeatureSelection getFeatureSelection()
getLineStringSelection
public LineStringSelection getLineStringSelection()
getSelections
public java.util.Collection getSelections()
- Returns:
- AbstractSelections
getSelectedItems
public java.util.Collection getSelectedItems()
- "items" rather than "geometries" because the user may have selected a part
of a Geometry (an element of a GeometryCollection or a ring of a Polygon).
- Returns:
- a collection of Geometries
getSelectedItemsCount
public int getSelectedItemsCount()
getSelectedItems
public java.util.Collection getSelectedItems(Layer layer)
getSelectedItems
public java.util.Collection getSelectedItems(Layer layer,
Feature feature)
getSelectedItems
public java.util.Collection getSelectedItems(Layer layer,
Feature feature,
com.vividsolutions.jts.geom.Geometry geometry)
- Parameters:
geometry - the feature's Geometry or equivalent; that is, a clone or
similar enough Geometry from which Geometries can be retrieved using
the selection indices
getLayersWithSelectedItems
public java.util.Collection getLayersWithSelectedItems()
getPartSelection
public PartSelection getPartSelection()
updatePanel
public void updatePanel()
setPanelUpdatesEnabled
public void setPanelUpdatesEnabled(boolean panelUpdatesEnabled)
getFeaturesWithSelectedItems
public java.util.Collection getFeaturesWithSelectedItems(Layer layer)
unselectItems
public void unselectItems(Layer layer)
unselectItems
public void unselectItems(Layer layer,
java.util.Collection features)
unselectFromFeaturesWithModifiedItemCounts
public void unselectFromFeaturesWithModifiedItemCounts(Layer layer,
java.util.Collection features,
java.util.Collection oldFeatureClones)
getFeaturesWithSelectedItems
public java.util.Collection getFeaturesWithSelectedItems()
getFeaturesWithSelectedItemsCount
public int getFeaturesWithSelectedItemsCount()
arePanelUpdatesEnabled
public boolean arePanelUpdatesEnabled()
dispose
public void dispose()