public override void OnCreate(object Hook)
{
base.OnCreate(Hook);
m_HookHelper = m_Hook.Hook as IHookHelper;
if (m_HookHelper == null)
{
return;
}
this.m_EsriBuddy = m_HookHelper.Hook as IToolbarBuddy;
//if ((esriHook ==null) || (m_EsriBuddy == null))
//{
// throw new Exception("ESRI命令代理类初始化错误：内部错误，Hook不是正确的ESRI MapControl或PageLayout对象。");
//}
try
{
m_EsriCommand.OnCreate(m_HookHelper.Hook);
}
catch
{
//throw new Exception(string.Format("当前Hook对象不是命令【{0}】的正确Hook。", m_EsriCommand.Name));
}
}
/// <summary>
/// Occurs when this tool is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add ToolSplitLine.OnClick implementation
//Find the Modify Feature task and set it as the current task
IEngineEditTask editTask = m_engineEditor.GetTaskByUniqueName("ControlToolsEditing_ModifyFeatureTask");
m_engineEditor.CurrentTask = editTask;
IEngineEditLayers editLayers = m_editLayer;
snapEnvironment = m_engineEditor as IEngineSnapEnvironment;
pt = new PointClass();
//Check the user is editing; otherwise, there will be no snap agent loaded.
if (editLayers.TargetLayer == null)
{
System.Windows.Forms.MessageBox.Show("Please start an edit session");
return;
}
////Create a feature snap agent.
IEngineFeatureSnapAgent featureSnapAgent = new EngineFeatureSnap();
IFeatureClass layerFeatureClass = editLayers.TargetLayer.FeatureClass;
featureSnapAgent.FeatureClass = layerFeatureClass;
featureSnapAgent.HitType = esriGeometryHitPartType.esriGeometryPartBoundary;
//Activate only the snap agent for the target layer.
snapEnvironment.AddSnapAgent(featureSnapAgent);
pMPfeedback = new MovePointFeedbackClass();
pMPfeedback.Display = m_hookHelper.ActiveView.ScreenDisplay;
pMPfeedback.Start(pt, pt);
IToolbarBuddy toolbarbuddy = (IToolbarBuddy)((IToolbarControl)m_hookHelper.Hook).Buddy;
oldtool = toolbarbuddy.CurrentTool;
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
try
{
pt = ((m_hookHelper.ActiveView.ScreenDisplay).DisplayTransformation).ToMapPoint(X, Y);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
}
bool ddd = snapEnvironment.SnapPoint(pt);
if (pMPfeedback != null)
{
pMPfeedback.Stop();
}
pMPfeedback = null;
bool hasCut = false;
ISet newFeaturesSet = null;
try
{
IFeatureSelection featureSelection = m_editLayer.TargetLayer as IFeatureSelection;
ISelectionSet selectionSet = featureSelection.SelectionSet;
IEnumIDs enumIDs = selectionSet.IDs;
int iD = enumIDs.Next();
while (iD != -1) //-1 is reutned after the last valid ID has been reached
{
m_engineEditor.StartOperation();
IFeatureClass featureClass = m_editLayer.TargetLayer.FeatureClass;
IFeature feature = featureClass.GetFeature(iD);
// 判断点是否在线上，不是则跳过
ITopologicalOperator pto = feature.Shape as ITopologicalOperator;
IGeometry pgeometry = pto.Intersect(pt, esriGeometryDimension.esriGeometry0Dimension);
if (pgeometry.IsEmpty == true)
{
iD = enumIDs.Next();
continue;
}
IFeatureEdit featureedit = feature as IFeatureEdit;
/*ISet*/
newFeaturesSet = featureedit.Split(pgeometry);
if (newFeaturesSet != null)
{
newFeaturesSet.Reset();
hasCut = true;
break;
}
iD = enumIDs.Next();
}
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
}
if (hasCut)
{
//如果操作成功，选中切割的两条线
//IFeatureSelection featureSelection = m_editLayer.TargetLayer as IFeatureSelection;
//ISelectionSet selectionSet = featureSelection.SelectionSet;
//for (int i = 0; i < newFeaturesSet.Count; i++)
//{
// selectionSet.Add(((IFeature)newFeaturesSet.Next()).OID);
//}
//selectionSet.Refresh();
//Refresh the display including modified layer and any previously selected component.
IActiveView activeView = m_engineEditor.Map as IActiveView;
activeView.PartialRefresh(esriViewDrawPhase.esriViewGeography | esriViewDrawPhase.esriViewGeoSelection, null, activeView.Extent);
activeView.Refresh();
//Complete the edit operation.
m_engineEditor.StopOperation("Split a line");
// 将当前工具设置为选择工具
IToolbarControl toolbarctl = m_hookHelper.Hook as IToolbarControl;
//ICommand com = new ControlsEditingEditToolClass();
//com.OnCreate(m_mapControl.Object);
//this.m_mapControl.CurrentTool = com as ITool;
for (int i = 0; i < toolbarctl.Count; i++)
{
IToolbarItem tbi = toolbarctl.GetItem(i);
if (tbi.Command != null && tbi.Command.Name.Equals("ControlToolsEditing_Edit"))
{
tbi.Command.OnClick();// = true;
toolbarctl.CurrentTool = tbi.Command as ITool;
IToolbarBuddy toolbarbuddy = (IToolbarBuddy)((IToolbarControl)m_hookHelper.Hook).Buddy;
break;
}
}
// 操作成功后将当前工具置为以前的工具
//IToolbarBuddy toolbarbuddy = (IToolbarBuddy)((IToolbarControl)m_hookHelper.Hook).Buddy;
//toolbarbuddy.CurrentTool = oldtool;
//((IToolbarControl)m_hookHelper.Hook).SetBuddyControl(toolbarbuddy);
this.Deactivate();
}
else
{
m_engineEditor.AbortOperation();
MessageBox.Show("切割点不在线上，未能成功切割选择的线段");
//重新开始选点
this.OnClick();
}
base.OnMouseDown(Button, Shift, X, Y);
}
public override void OnCreate(object Hook)
{
base.OnCreate(Hook);
m_HookHelper = m_Hook.Hook as IHookHelper;
if (m_HookHelper == null)
return;
this.m_EsriBuddy = m_HookHelper.Hook as IToolbarBuddy;
//if ((esriHook ==null) || (m_EsriBuddy == null))
//{
// throw new Exception("ESRI命令代理类初始化错误：内部错误，Hook不是正确的ESRI MapControl或PageLayout对象。");
//}
try
{
m_EsriCommand.OnCreate(m_HookHelper.Hook);
}
catch
{
//throw new Exception(string.Format("当前Hook对象不是命令【{0}】的正确Hook。", m_EsriCommand.Name));
}
}
