/// <summary>
/// Updates a specific feature.
/// </summary>
/// <param name="update">The feature selected for update.</param>
/// <returns>True if feature accepted for update. False if an update is already in progress.</returns>
internal bool Run(Feature update)
{
// Return if we're currently updating something, or we've
// hit a problem during rollforward.
if (m_Cmd != null || m_Problem != null)
{
return(false);
}
// If we prevously had something selected for update,
// undo any drawing that we did for it.
ErasePainting();
// Remember the specified feature.
m_SelectedFeature = update;
// If the info dialog has not already been displayed, display it now.
if (m_Info == null)
{
m_Info = new UpdateForm(this);
m_Info.Show();
}
// Get the info window to display stuff about the selected feature.
m_Info.Display(m_SelectedFeature);
// Leave keyboard focus with the info dialog.
m_Info.Focus();
// Draw stuff.
Draw();
ActiveDisplay.PaintNow();
return(true);
}
override public bool Execute()
{
ActiveDisplay.Delete();
var images = new ImageList();
ActiveImage = images[images.Count - 1];
return(true);
}
internal void FinishCommand(CommandUI cmd)
{
if (!Object.ReferenceEquals(cmd, m_Command))
{
throw new InvalidOperationException();
}
/*
* if ( pCmd->GetCommandId() == ID_FILE_PRINT_WINDOW )
* {
* CuiGetRectangle* pRect = dynamic_cast<CuiGetRectangle*>(pCmd);
* CeVertex corners[5];
* if ( pRect->GetCorners(corners) )
* m_PrintData.SetPrintCorners(corners);
* else
* {
* m_PrintData.SetPrintCorners(0);
* m_PrintData.SetRotation(0.0);
* }
* }
*/
SetNormalCursor();
// Refresh everything from the model. This may seem a bit of an effort, considering
// that many edits don't do much to the display (some don't do anything). However,
// it's fast and keeps things clean in more complex cases. Do it before saving the
// map model, since it gives the impression that things are more responsive than
// they actually are!
RefreshAllDisplays();
// Notify any check dialog (re-check all potential problems).
// And repaint immediately to avoid flicker (icons wouldn't otherwise be repainted
// until the idle handler gets called)
if (m_Check != null)
{
m_Check.OnFinishOp();
ActiveDisplay.PaintNow();
}
// Re-enable auto-highlighting if it was on before.
if (m_IsAutoSelect < 0)
{
m_IsAutoSelect = -m_IsAutoSelect;
}
/*
* if ( pCmd->GetCommandId() == ID_FEATURE_UPDATE )
* GetDocument()->OnFinishUpdate();
* else
* FinishEdit((INT4)m_pCommand);
* // m_pAutoSaver->FinishEdit(edid);
*/
m_Command.Dispose();
m_Command = null;
}
protected override void OnClosing(CancelEventArgs e)
{
base.OnClosing(e);
if (_activeDisplay != null)
{
_activeDisplay.DisplayDeviceChanged -= DisplayDeviceChanged;
_activeDisplay.Dispose();
_activeDisplay = null;
}
}
public static string ShowFileDialog(ActiveDisplay activeDisplay)
{
OpenFileDialog openFile = new OpenFileDialog();
openFile.Multiselect = false;
openFile.RestoreDirectory = true;
openFile.Filter = @"PowerPoint Presentations|*.ppt";
;
if (openFile.ShowDialog() == DialogResult.OK)
{
return openFile.FileName;
}
else
{
return null;
}
}
/// <summary>
/// Defines the dimensions of the text that's being added. For this to
/// work, the <see cref="Entity"/> property must be defined beforehand.
/// </summary>
/// <param name="str">The text involved</param>
/// <returns>True if dimensions set ok. False if the entity type
/// was not defined, or it does not have an associated font.</returns>
protected bool SetDimensions(string str)
{
// Confirm the entity type has been defined
if (m_Entity == null)
{
MessageBox.Show("AddLabelUI.SetDimensions - Text type not specified.");
DialFinish(null);
return(false);
}
// Remember the text that the dimensions correspond to
m_Text = str;
// The entity type provides the height of the text (in point units)
IFont fontInfo = m_Entity.Font;
if (fontInfo == null)
{
fontInfo = FontInfo.Default;
}
// Figure out the ground height at the map's nominal scale
float fontSize = fontInfo.PointSize;
uint nominalScale = EditingController.Current.Project.Settings.NominalMapScale;
double ht = (double)fontSize * (double)nominalScale * MathConstants.POINTSIZE_TO_METERS;
// Convert into pixels on the active display
float htPixels = ActiveDisplay.LengthToDisplay(ht);
Font font = new Font(fontInfo.TypeFace, htPixels, fontInfo.Modifiers, GraphicsUnit.Pixel);
// Get the size of the text
Size proposedSize = new Size(int.MaxValue, int.MaxValue);
Size size = TextRenderer.MeasureText(str, font, proposedSize,
(TextFormatFlags.NoPadding | TextFormatFlags.NoClipping | TextFormatFlags.NoPrefix));
// Remember the width and height of the text, in ground units (if
// we stored logical units, the meaning of the values might change
// if the scale changed during label positioning).
ISpatialDisplay display = ActiveDisplay;
m_Width = display.DisplayToLength((float)size.Width);
m_Height = display.DisplayToLength((float)size.Height);
// Reset the position of the last text outline that was drawn.
m_LastPos = null;
return(true);
}
/// <summary>
/// Called by the Authority to tell this surface to detach its current display.
/// </summary>
/// <param name="pDisplay">The display to detach. Must be the current display.</param>
internal void Authority_DetachDisplay(Display pDisplay)
{
// If this surface already has a display, raise an error.
if (ActiveDisplay == null)
{
throw new Exception("Surface does not have a display attached.");
}
// Check the specified display is the display we want to unbind.
if (pDisplay != ActiveDisplay)
{
throw new Exception("Surface cannot remove specified display because a different one is attached.");
}
// Signal the display to unbind from this.
ActiveDisplay.Surface_UnbindFromSurface(this);
// Remove the reference to the rendered control.
// n.b. this will already likely have been called by Surface_UnbindFromSurface
Display_SetVisual(null);
Display_ResetVisualRenderSize();
// Set our opacity back to fully shown (defensive incase the display does not put it back).
ContentOpacity = 1.0;
// Uncomment this if we want transient projection surfaces.
/*
* // Remove the projection surface from the projection.
* ProjectionRenderer.RemoveDisplay(pProjectionDisplay);
*/
// Set the active display pointer.
ActiveDisplay = null;
// Raise the event for display change.
if (OnDisplayChanged != null)
{
OnDisplayChanged(this);
}
}
/// <summary>
/// Handles a key up event
/// </summary>
/// <param name="sender">The display where the key event originated</param>
/// <param name="k">Information about the event</param>
public override void KeyUp(ISpatialDisplay sender, KeyEventArgs k)
{
// Whereas Control.ModifierKeys sees Keys.Control, the KeyUp event passes Keys.ControlKey
if (k.KeyCode == Keys.ControlKey && m_Sel != null)
{
// Grab the selected items (if any) and merge any currently selected features.
Selection s = m_Sel.Selection;
FreeAreaSelectionTool();
if (s.Count > 0)
{
s.AddRange(this.SpatialSelection.Items);
SetSelection(s);
}
// Ensure everything is back to normal
ActiveDisplay.RestoreLastDraw();
// Force any prior selection to show
m_HasSelectionChanged = true;
//ActiveDisplay.PaintNow();
}
}
/// <summary>
/// Cancels all updates.
/// </summary>
internal void Cancel()
{
// No can do if an update is currently in progress!
if (m_Cmd != null)
{
string msg = "You are in the middle of making an update." + System.Environment.NewLine;
msg += "You must cancel that first.";
MessageBox.Show(msg);
return;
}
// If we've currently got a problem, treat the cancellation
// request as a request to undo just the last revision
if (m_CurrentUpdate != null)
{
m_CurrentUpdate.RevertChanges();
m_CurrentUpdate = null;
m_Problem = null;
CadastralMapModel model = CadastralMapModel.Current;
model.EnsureFeaturesAreIndexed();
model.CleanEdit();
if (m_SelectedFeature != null)
{
Run(m_SelectedFeature);
}
m_Info.OnFinishUpdate(null);
ActiveDisplay.Redraw();
}
else
{
// If we saved any updates, undo them all.
UndoAll();
FinishCommand();
}
}
/// <summary>
/// Indicates that any painting previously done by a command should be erased. This
/// tells the command's active display that it should revert the display buffer to
/// the way it was at the end of the last draw from the map model. Given that a command
/// supports painting, it's <c>Paint</c> method will be called during idle time.
/// </summary>
void ErasePainting()
{
ActiveDisplay.RestoreLastDraw();
}
public MainWindow()
{
InitializeComponent();
_activeDisplay = new ActiveDisplay();
}
