/// <summary>
/// Used to a new item in the dataGridView control.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void addButton_Click(object sender, EventArgs e)
{
System.String newLevelName;
double newLevelElevation;
//If it exists some Levels on Revit,
//the added item's Name and Elevation uses last a Level's Name and Elevation.
//Otherwise it uses a default data.
if (bindingSource1.Count > 0)
{
bindingSource1.MoveLast();
LevelsDataSource lastItem = bindingSource1.Current as LevelsDataSource;
System.String lastLevelName = lastItem.Name;
double lastLevelElevation = lastItem.Elevation;
newLevelName = lastLevelName + "'";
newLevelElevation = lastLevelElevation + Unit.CovertFromAPI(m_objectReference.UnitType, 10);
}
else
{
newLevelName = "Level" + " " + "1";
newLevelElevation = 0;
}
LevelsDataSource newLevel = new LevelsDataSource();
newLevel.Name = newLevelName;
newLevel.Elevation = newLevelElevation;
bindingSource1.Add(newLevel);
}
/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="revit">An object that is passed to the external application
/// which contains data related to the command,
/// such as the application object and active view.</param>
/// <param name="message">A message that can be set by the external application
/// which will be displayed if a failure or cancellation is returned by
/// the external command.</param>
/// <param name="elements">A set of elements to which the external application
/// can add elements that are to be highlighted in case of failure or cancellation.</param>
/// <returns>Return the status of the external command.
/// A result of Succeeded means that the API external method functioned as expected.
/// Cancelled can be used to signify that the user cancelled the external operation
/// at some point. Failure should be returned if the application is unable to proceed with
/// the operation.</returns>
public Autodesk.Revit.UI.Result Execute(ExternalCommandData revit, ref String message, Autodesk.Revit.DB.ElementSet elements)
{
m_revit = revit;
UnitType = m_revit.Application.ActiveUIDocument.Document.GetUnits().GetFormatOptions(Autodesk.Revit.DB.UnitType.UT_Length).DisplayUnits;
Transaction documentTransaction = new Transaction(revit.Application.ActiveUIDocument.Document, "Document");
documentTransaction.Start();
try
{
//Get every level by iterating through all elements
systemLevelsDatum = new List <LevelsDataSource>();
FilteredElementCollector collector = new FilteredElementCollector(m_revit.Application.ActiveUIDocument.Document);
ICollection <Element> collection = collector.OfClass(typeof(Level)).ToElements();
foreach (Element element in collection)
{
Level systemLevel = element as Level;
LevelsDataSource levelsDataSourceRow = new LevelsDataSource();
levelsDataSourceRow.LevelIDValue = systemLevel.Id.IntegerValue;
levelsDataSourceRow.Name = systemLevel.Name;
Parameter elevationPara = systemLevel.get_Parameter(BuiltInParameter.LEVEL_ELEV);
double temValue = Unit.CovertFromAPI(UnitType, elevationPara.AsDouble());
double temValue2 = double.Parse(temValue.ToString("#.0"));
levelsDataSourceRow.Elevation = temValue2;
systemLevelsDatum.Add(levelsDataSourceRow);
}
using (LevelsForm displayForm = new LevelsForm(this))
{
displayForm.ShowDialog();
}
}
catch (Exception ex)
{
message = ex.Message;
documentTransaction.RollBack();
return(Autodesk.Revit.UI.Result.Failed);
}
documentTransaction.Commit();
return(Autodesk.Revit.UI.Result.Succeeded);
}
/// <summary>
/// Used to make setting apply to the model.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void okButton_Click(object sender, EventArgs e)
{
//Delete existed Levels
for (int i = 0; i < m_deleteExistLevelTotal; i++)
{
m_objectReference.DeleteLevel(m_deleteExistLevelIDValue[i]);
}
List <LevelsDataSource> tempLevels = new List <LevelsDataSource>();
//Set all changed Levels' name and elevation
if (1 == m_systemLevelChangedFlag)
{
for (int i = 0; i < m_changedItemsFlag.LongLength; i++)
{
if (1 == m_changedItemsFlag[i])
{
bindingSource1.Position = i;
LevelsDataSource changeItem = bindingSource1.Current as LevelsDataSource;
if (false == m_objectReference.SetLevel(changeItem.LevelIDValue, changeItem.Name, changeItem.Elevation))
{
changeItem.Name = "TempName" + changeItem.Name;
tempLevels.Add(changeItem);
m_objectReference.SetLevel(changeItem.LevelIDValue, changeItem.Name, changeItem.Elevation);
}
}
}
}
foreach (LevelsDataSource item in tempLevels)
{
item.Name = item.Name.Remove(0, 8); // Remove the "TempName" string
m_objectReference.SetLevel(item.LevelIDValue, item.Name, item.Elevation);
}
//Create new Levels
for (int i = m_systemLevelsTotal; i < bindingSource1.Count; i++)
{
bindingSource1.Position = i;
LevelsDataSource newItem = bindingSource1.Current as LevelsDataSource;
m_objectReference.CreateLevel(newItem.Name, newItem.Elevation);
}
}
/// <summary>
/// Used to delete a item.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void deleteButton_Click(object sender, EventArgs e)
{
if (1 == levelsDataGridView.RowCount)
{
TaskDialog.Show("Revit", "Deleting the only open view in the project is not allowed.");
return;
}
if (bindingSource1.Position > m_systemLevelsTotal - 1)
{
bindingSource1.RemoveCurrent();
return;
}
if (bindingSource1.Position <= m_systemLevelsTotal - 1 && bindingSource1.Position >= 0)
{
LevelsDataSource aRow = bindingSource1.Current as LevelsDataSource;
m_deleteExistLevelIDValue[m_deleteExistLevelTotal] = aRow.LevelIDValue;
m_deleteExistLevelTotal++;
bindingSource1.RemoveCurrent();
m_systemLevelsTotal = m_systemLevelsTotal - 1;
int[] temChangedItemsFlag = new int[m_systemLevelsTotal];
for (int i = 0, j = 0; i < m_systemLevelsTotal; i++, j++)
{
if (bindingSource1.Position == i)
{
j++;
}
temChangedItemsFlag[i] = m_changedItemsFlag[j];
}
m_changedItemsFlag = temChangedItemsFlag;
return;
}
if (bindingSource1.Position < 0)
{
Autodesk.Revit.UI.TaskDialog.Show("Revit", "No have Level.");
}
}
/// <summary>
/// Used to a new item in the dataGridView control.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void addButton_Click(object sender, EventArgs e)
{
System.String newLevelName;
double newLevelElevation;
//If it exists some Levels on Revit,
//the added item's Name and Elevation uses last a Level's Name and Elevation.
//Otherwise it uses a default data.
if (bindingSource1.Count > 0)
{
bindingSource1.MoveLast();
LevelsDataSource lastItem = bindingSource1.Current as LevelsDataSource;
System.String lastLevelName = lastItem.Name;
double lastLevelElevation = lastItem.Elevation;
newLevelName = lastLevelName + "'";
newLevelElevation = lastLevelElevation + Unit.CovertFromAPI(m_objectReference.UnitType, 10);
}
else
{
newLevelName = "Level" + " " + "1";
newLevelElevation = 0;
}
LevelsDataSource newLevel = new LevelsDataSource();
newLevel.Name = newLevelName;
newLevel.Elevation = newLevelElevation;
bindingSource1.Add(newLevel);
}
/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="revit">An object that is passed to the external application
/// which contains data related to the command,
/// such as the application object and active view.</param>
/// <param name="message">A message that can be set by the external application
/// which will be displayed if a failure or cancellation is returned by
/// the external command.</param>
/// <param name="elements">A set of elements to which the external application
/// can add elements that are to be highlighted in case of failure or cancellation.</param>
/// <returns>Return the status of the external command.
/// A result of Succeeded means that the API external method functioned as expected.
/// Cancelled can be used to signify that the user cancelled the external operation
/// at some point. Failure should be returned if the application is unable to proceed with
/// the operation.</returns>
public Autodesk.Revit.UI.Result Execute(ExternalCommandData revit, ref String message, Autodesk.Revit.DB.ElementSet elements)
{
m_revit = revit;
UnitType = m_revit.Application.ActiveUIDocument.Document.ProjectUnit.get_FormatOptions(Autodesk.Revit.DB.UnitType.UT_Length).Units;
Transaction documentTransaction = new Transaction(revit.Application.ActiveUIDocument.Document, "Document");
documentTransaction.Start();
try
{
//Get every level by iterating through all elements
systemLevelsDatum = new List<LevelsDataSource>();
FilteredElementCollector collector = new FilteredElementCollector(m_revit.Application.ActiveUIDocument.Document);
ICollection<Element> collection = collector.OfClass(typeof(Level)).ToElements();
foreach (Element element in collection)
{
Level systemLevel = element as Level;
LevelsDataSource levelsDataSourceRow = new LevelsDataSource();
levelsDataSourceRow.LevelIDValue = systemLevel.Id.IntegerValue;
levelsDataSourceRow.Name = systemLevel.Name;
Parameter elevationPara = systemLevel.get_Parameter(BuiltInParameter.LEVEL_ELEV);
double temValue = Unit.CovertFromAPI(UnitType, elevationPara.AsDouble());
double temValue2 = double.Parse(temValue.ToString("#.0"));
levelsDataSourceRow.Elevation = temValue2;
systemLevelsDatum.Add(levelsDataSourceRow);
}
using (LevelsForm displayForm = new LevelsForm(this))
{
displayForm.ShowDialog();
}
}
catch (Exception ex)
{
message = ex.Message;
documentTransaction.RollBack();
return Autodesk.Revit.UI.Result.Failed;
}
documentTransaction.Commit();
return Autodesk.Revit.UI.Result.Succeeded;
}
