EventListener.cs
// Copyright 2010 ESRI // // All rights reserved under the copyright laws of the United States // and applicable international laws, treaties, and conventions. // // You may freely redistribute and use this sample code, with or // without modification, provided you include the original copyright // notice and use restrictions. // // See the use restrictions. // using System; using System.Collections.Generic; using System.Text; using ESRI.ArcGIS.Editor; namespace Events { public class EventListener { #region Enums //contains all edit events listed on IEditEvents through IEditEvents4 public enum EditorEvent { AfterDrawSketch, OnChangeFeature, OnConflictsDetected, OnCreateFeature, OnCurrentLayerChanged, OnCurrentTaskChanged, OnDeleteFeature, OnRedo, OnSelectionChanged, OnSketchFinished, OnSketchModified, OnStartEditing, OnStopEditing, OnUndo, BeforeStopEditing, BeforeStopOperation, OnVertexAdded, OnVertexMoved, OnVertexDeleted, BeforeDrawSketch, OnAngularCorrectionOffsetChanged, OnDistanceCorrectionFactorChanged, OnUseGroundToGridChanged, }; #endregion #region Constructors public EventListener(IEditor editor) { if (editor == null) { throw new ArgumentNullException(); } m_editor = editor; } public EventListener(IEditor editor, EditorEvent editEvent) { if (editor == null) { throw new ArgumentNullException(); } m_editor = editor; } EventListener(IEditor editor, bool bListenAll) { if (editor == null) { throw new ArgumentNullException(); } m_editor = editor; } #endregion public void ListenToEvents(EditorEvent editEvent, bool start) { switch (editEvent) { case EditorEvent.AfterDrawSketch: if (start) ((IEditEvents_Event)m_editor).AfterDrawSketch += new IEditEvents_AfterDrawSketchEventHandler(EventListener_AfterDrawSketch); else ((IEditEvents_Event)m_editor).AfterDrawSketch -= new IEditEvents_AfterDrawSketchEventHandler(EventListener_AfterDrawSketch); break; case EditorEvent.OnChangeFeature: if (start) ((IEditEvents_Event)m_editor).OnChangeFeature += new IEditEvents_OnChangeFeatureEventHandler(EventListener_OnChangeFeature); else ((IEditEvents_Event)m_editor).OnChangeFeature -= new IEditEvents_OnChangeFeatureEventHandler(EventListener_OnChangeFeature); break; case EditorEvent.OnConflictsDetected: if (start) ((IEditEvents_Event)m_editor).OnConflictsDetected += new IEditEvents_OnConflictsDetectedEventHandler(EventListener_OnConflictsDetected); else ((IEditEvents_Event)m_editor).OnConflictsDetected -= new IEditEvents_OnConflictsDetectedEventHandler(EventListener_OnConflictsDetected); break; case EditorEvent.OnCreateFeature: if (start) ((IEditEvents_Event)m_editor).OnCreateFeature += new IEditEvents_OnCreateFeatureEventHandler(EventListener_OnCreateFeature); else ((IEditEvents_Event)m_editor).OnCreateFeature -= new IEditEvents_OnCreateFeatureEventHandler(EventListener_OnCreateFeature); break; case EditorEvent.OnCurrentLayerChanged: if (start) ((IEditEvents_Event)m_editor).OnCurrentLayerChanged += new IEditEvents_OnCurrentLayerChangedEventHandler(EventListener_OnCurrentLayerChanged); else ((IEditEvents_Event)m_editor).OnCurrentLayerChanged -= new IEditEvents_OnCurrentLayerChangedEventHandler(EventListener_OnCurrentLayerChanged); break; case EditorEvent.OnCurrentTaskChanged: if (start) ((IEditEvents_Event)m_editor).OnCurrentTaskChanged += new IEditEvents_OnCurrentTaskChangedEventHandler(OnCurrentTaskChanged); else ((IEditEvents_Event)m_editor).OnCurrentTaskChanged -= new IEditEvents_OnCurrentTaskChangedEventHandler(OnCurrentTaskChanged); break; case EditorEvent.OnDeleteFeature: if (start) ((IEditEvents_Event)m_editor).OnDeleteFeature += new IEditEvents_OnDeleteFeatureEventHandler(EventListener_OnDeleteFeature); else ((IEditEvents_Event)m_editor).OnDeleteFeature -= new IEditEvents_OnDeleteFeatureEventHandler(EventListener_OnDeleteFeature); break; case EditorEvent.OnRedo: if (start) ((IEditEvents_Event)m_editor).OnRedo += new IEditEvents_OnRedoEventHandler(EventListener_OnRedo); else ((IEditEvents_Event)m_editor).OnRedo -= new IEditEvents_OnRedoEventHandler(EventListener_OnRedo); break; case EditorEvent.OnSelectionChanged: if (start) ((IEditEvents_Event)m_editor).OnSelectionChanged +=new IEditEvents_OnSelectionChangedEventHandler(EventListener_OnSelectionChanged); else ((IEditEvents_Event)m_editor).OnSelectionChanged -= new IEditEvents_OnSelectionChangedEventHandler(EventListener_OnSelectionChanged); break; case EditorEvent.OnSketchFinished: if (start) ((IEditEvents_Event)m_editor).OnSketchFinished += new IEditEvents_OnSketchFinishedEventHandler(EventListener_OnSketchFinished); else ((IEditEvents_Event)m_editor).OnSketchFinished -= new IEditEvents_OnSketchFinishedEventHandler(EventListener_OnSketchFinished); break; case EditorEvent.OnSketchModified: if (start) ((IEditEvents_Event)m_editor).OnSketchModified += new IEditEvents_OnSketchModifiedEventHandler(EventListener_OnSketchModified); else ((IEditEvents_Event)m_editor).OnSketchModified -= new IEditEvents_OnSketchModifiedEventHandler(EventListener_OnSketchModified); break; case EditorEvent.OnStartEditing: if (start) ((IEditEvents_Event)m_editor).OnStartEditing += new IEditEvents_OnStartEditingEventHandler(OnStartEditing); else ((IEditEvents_Event)m_editor).OnStartEditing -= new IEditEvents_OnStartEditingEventHandler(OnStartEditing); break; case EditorEvent.OnStopEditing: if (start) ((IEditEvents_Event)m_editor).OnStopEditing += new IEditEvents_OnStopEditingEventHandler(OnStopEditing); else ((IEditEvents_Event)m_editor).OnStopEditing -= new IEditEvents_OnStopEditingEventHandler(OnStopEditing); break; case EditorEvent.OnUndo: if (start) ((IEditEvents_Event)m_editor).OnUndo += new IEditEvents_OnUndoEventHandler(EventListener_OnUndo); else ((IEditEvents_Event)m_editor).OnUndo -= new IEditEvents_OnUndoEventHandler(EventListener_OnUndo); break; case EditorEvent.BeforeStopEditing: if (start) ((IEditEvents2_Event)m_editor).BeforeStopEditing += new IEditEvents2_BeforeStopEditingEventHandler(EventListener_BeforeStopEditing); else ((IEditEvents2_Event)m_editor).BeforeStopEditing -= new IEditEvents2_BeforeStopEditingEventHandler(EventListener_BeforeStopEditing); break; case EditorEvent.BeforeStopOperation: if (start) ((IEditEvents2_Event)m_editor).BeforeStopOperation += new IEditEvents2_BeforeStopOperationEventHandler(EventListener_BeforeStopOperation); else ((IEditEvents2_Event)m_editor).BeforeStopOperation -= new IEditEvents2_BeforeStopOperationEventHandler(EventListener_BeforeStopOperation); break; case EditorEvent.OnVertexAdded: if (start) ((IEditEvents2_Event)m_editor).OnVertexAdded +=new IEditEvents2_OnVertexAddedEventHandler(EventListener_OnVertexAdded); else ((IEditEvents2_Event)m_editor).OnVertexAdded -= new IEditEvents2_OnVertexAddedEventHandler(EventListener_OnVertexAdded); break; case EditorEvent.OnVertexMoved: if (start) ((IEditEvents2_Event)m_editor).OnVertexMoved += new IEditEvents2_OnVertexMovedEventHandler(EventListener_OnVertexMoved); else ((IEditEvents2_Event)m_editor).OnVertexMoved -= new IEditEvents2_OnVertexMovedEventHandler(EventListener_OnVertexMoved); break; case EditorEvent.OnVertexDeleted: if (start) ((IEditEvents2_Event)m_editor).OnVertexDeleted += new IEditEvents2_OnVertexDeletedEventHandler(EventListener_OnVertexDeleted); else ((IEditEvents2_Event)m_editor).OnVertexDeleted -= new IEditEvents2_OnVertexDeletedEventHandler(EventListener_OnVertexDeleted); break; case EditorEvent.BeforeDrawSketch: if (start) ((IEditEvents3_Event)m_editor).BeforeDrawSketch += new IEditEvents3_BeforeDrawSketchEventHandler(EventListener_BeforeDrawSketch); else ((IEditEvents3_Event)m_editor).BeforeDrawSketch -= new IEditEvents3_BeforeDrawSketchEventHandler(EventListener_BeforeDrawSketch); break; case EditorEvent.OnAngularCorrectionOffsetChanged: if (start) ((IEditEvents4_Event)m_editor).OnAngularCorrectionOffsetChanged += new IEditEvents4_OnAngularCorrectionOffsetChangedEventHandler(EventListener_OnAngularCorrectionOffsetChanged); else ((IEditEvents4_Event)m_editor).OnAngularCorrectionOffsetChanged -= new IEditEvents4_OnAngularCorrectionOffsetChangedEventHandler(EventListener_OnAngularCorrectionOffsetChanged); break; case EditorEvent.OnDistanceCorrectionFactorChanged: if (start) ((IEditEvents4_Event)m_editor).OnDistanceCorrectionFactorChanged += new IEditEvents4_OnDistanceCorrectionFactorChangedEventHandler(EventListener_OnDistanceCorrectionFactorChanged); else ((IEditEvents4_Event)m_editor).OnDistanceCorrectionFactorChanged -= new IEditEvents4_OnDistanceCorrectionFactorChangedEventHandler(EventListener_OnDistanceCorrectionFactorChanged); break; case EditorEvent.OnUseGroundToGridChanged: if (start) ((IEditEvents4_Event)m_editor).OnUseGroundToGridChanged += new IEditEvents4_OnUseGroundToGridChangedEventHandler(EventListener_OnUseGroundToGridChanged); else ((IEditEvents4_Event)m_editor).OnUseGroundToGridChanged -= new IEditEvents4_OnUseGroundToGridChangedEventHandler(EventListener_OnUseGroundToGridChanged); break; default: break; } } // Invoke the Changed event protected virtual void OnChanged(EditorEventArgs e) { if (Changed != null) Changed(this, e); } #region Event Handlers void EventListener_OnCreateFeature(ESRI.ArcGIS.Geodatabase.IObject obj) { EditorEventArgs e = new EditorEventArgs("OnCreateFeature"); OnChanged(e); } void EventListener_OnChangeFeature(ESRI.ArcGIS.Geodatabase.IObject obj) { EditorEventArgs e = new EditorEventArgs("OnChangeFeature"); OnChanged(e); } void EventListener_OnConflictsDetected() { EditorEventArgs e = new EditorEventArgs("OnConflictsDetected"); OnChanged(e); } void EventListener_OnCurrentLayerChanged() { EditorEventArgs e = new EditorEventArgs("OnCurrentLayerChanged"); OnChanged(e); } void EventListener_OnDeleteFeature(ESRI.ArcGIS.Geodatabase.IObject obj) { EditorEventArgs e = new EditorEventArgs("OnDeleteFeature"); OnChanged(e); } void EventListener_OnRedo() { EditorEventArgs e = new EditorEventArgs("OnRedo"); OnChanged(e); } void EventListener_OnSelectionChanged() { EditorEventArgs e = new EditorEventArgs("OnSelectionChanged"); OnChanged(e); } void EventListener_OnSketchFinished() { EditorEventArgs e = new EditorEventArgs("OnSketchFinished"); OnChanged(e); } void EventListener_OnSketchModified() { EditorEventArgs e = new EditorEventArgs("OnSketchModified"); OnChanged(e); } void EventListener_OnUndo() { EditorEventArgs e = new EditorEventArgs("OnUndo"); OnChanged(e); } void EventListener_BeforeStopEditing(bool save) { EditorEventArgs e = new EditorEventArgs("BeforeStopEditing"); OnChanged(e); } void EventListener_BeforeStopOperation() { EditorEventArgs e = new EditorEventArgs("BeforeStopOperation"); OnChanged(e); } void EventListener_OnVertexAdded(ESRI.ArcGIS.Geometry.IPoint point) { EditorEventArgs e = new EditorEventArgs("OnVertexAdded"); OnChanged(e); } void EventListener_OnVertexMoved(ESRI.ArcGIS.Geometry.IPoint point) { EditorEventArgs e = new EditorEventArgs("OnVertexMoved"); OnChanged(e); } void EventListener_OnVertexDeleted(ESRI.ArcGIS.Geometry.IPoint point) { EditorEventArgs e = new EditorEventArgs("OnVertexDeleted"); OnChanged(e); } void EventListener_OnAngularCorrectionOffsetChanged(double angOffset) { EditorEventArgs e = new EditorEventArgs("OnAngularCorrectionOffsetChanged"); OnChanged(e); } void EventListener_OnDistanceCorrectionFactorChanged(double distFactor) { EditorEventArgs e = new EditorEventArgs("OnDistanceCorrectionFactorChanged"); OnChanged(e); } void EventListener_OnUseGroundToGridChanged(bool g2g) { EditorEventArgs e = new EditorEventArgs("OnUseGroundToGridChanged"); OnChanged(e); } void EventListener_BeforeDrawSketch(ESRI.ArcGIS.Display.IDisplay pDpy) { EditorEventArgs e = new EditorEventArgs("BeforeDrawSketch"); OnChanged(e); } void EventListener_AfterDrawSketch(ESRI.ArcGIS.Display.IDisplay pDpy) { EditorEventArgs e = new EditorEventArgs("AfterDrawSketch"); OnChanged(e); } void OnCurrentTaskChanged() { EditorEventArgs e = new EditorEventArgs("OnCurrentTaskChanged"); OnChanged(e); } void OnStopEditing(bool SaveEdits) { EditorEventArgs e = new EditorEventArgs("OnStopEditing"); OnChanged(e); } void OnStartEditing() { EditorEventArgs e = new EditorEventArgs("OnStartEditing"); OnChanged(e); } #endregion #region Members public event ChangedEventHandler Changed; IEditor m_editor; #endregion } public class EditorEventArgs : EventArgs { public EditorEventArgs(string eventType) { this.eventType = eventType; } public string eventType; } public delegate void ChangedEventHandler(object sender, EditorEventArgs e); }