public override void MouseDown(MouseEventArgs e, System.Drawing.Point location)
{
if (!docView.EditPermission)
{
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
int pageNum = docView.GetPageByCoord(location);
if (!captured && pageNum == -1)
{
return;
}
if (!captured) // first click, start point
{
captured = true;
capturedPage = pageNum;
// create initial rectangle
Datalogics.PDFL.Point pdfPoint = docView.ViewToPdf(location, capturedPage);
Datalogics.PDFL.Rect rect = new Datalogics.PDFL.Rect(pdfPoint.H - 1, pdfPoint.V - 1, pdfPoint.H, pdfPoint.V);
properties.BoundingRect = rect;
BaseAnnotationEditor editor = docView.CreateAnnotation(pageNum, properties);
capturedGuide = editor.Guides[2]; // guide: bottom-right corner of rectangle
docView.Invalidate();
}
}
public override void MouseDown(MouseEventArgs e, System.Drawing.Point location)
{
if (!docView.EditPermission)
{
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
int pageNum = docView.GetPageByCoord(location);
if (!captured && pageNum == -1)
{
return;
}
if (!captured) // first click, add start & end points, stick end-point to cursor
{
captured = true;
capturedPage = pageNum;
// create 2 initial points
pointCount = 2;
IList <Datalogics.PDFL.Point> vertices = new List <Datalogics.PDFL.Point>();
Datalogics.PDFL.Point pdfPoint = docView.ViewToPdf(location, capturedPage);
vertices.Add(pdfPoint);
vertices.Add(pdfPoint); // end point is equal to start point
Datalogics.PDFL.Rect rect = new Datalogics.PDFL.Rect(pdfPoint.H, pdfPoint.V, pdfPoint.H, pdfPoint.V);
properties.BoundingRect = rect;
properties.Vertices = vertices;
BaseAnnotationEditor editor = docView.CreateAnnotation(pageNum, properties);
capturedGuide = editor.Guides[9]; // endpoint guide
docView.Invalidate();
}
else // every next click - add new point
{
Datalogics.PDFL.Point newVertex = docView.ViewToPdf(location, capturedPage);
++pointCount;
Page page = docView.Document.GetPage(capturedPage);
BaseAnnotationEditor editor = docView.ActiveAnnotation;
IList <Datalogics.PDFL.Point> vertices = editor.Properties.Vertices;
vertices.Add(newVertex);
editor.Properties.Vertices = vertices;
capturedGuide = editor.Guides[8 + pointCount - 1];
docView.Invalidate();
}
}
/**
* Creates annotation editor class by given annotation info
*/
public static BaseAnnotationEditor CreateAnnotationEditor(Document doc, Page page, int index)
{
Annotation ann = page.GetAnnotation(index);
System.Drawing.Color underlineSelectionColor = System.Drawing.Color.FromArgb(128, 0, 0, 128);
System.Drawing.Color highlightSelectionColor = System.Drawing.Color.FromArgb(128, 0, 128, 0);
BaseAnnotationEditor editor = null;
switch (ann.Subtype)
{
case "Circle": editor = new CircleAnnotationEditor(); break;
case "Square": editor = new SquareAnnotationEditor(); break;
case "Line": editor = new LineAnnotationEditor(); break;
case "PolyLine": editor = new PolyLineAnnotationEditor(); break;
case "Polygon": editor = new PolygonAnnotationEditor(); break;
case "Link": editor = new LinkAnnotationEditor(); break;
case "Ink": editor = new InkAnnotationEditor(); break;
case "Underline": editor = new MarkupAnnotationEditor(underlineSelectionColor); break;
case "Highlight": editor = new MarkupAnnotationEditor(highlightSelectionColor); break;
case "FreeText": editor = new FreeTextAnnotationEditor(); break;
default: editor = new BaseAnnotationEditor(); break;
}
if (editor != null)
{
editor.Init(doc, page, ann, index);
}
return(editor);
}
public override void MouseDown(MouseEventArgs e, System.Drawing.Point location)
{
int pageNum = docView.GetPageByCoord(location);
if (!captured && pageNum == -1)
{
return;
}
if (!captured)
{
captured = true;
capturedPage = pageNum;
Datalogics.PDFL.Point pdfPoint = docView.ViewToPdf(location, pageNum);
Datalogics.PDFL.Rect rect = new Datalogics.PDFL.Rect(pdfPoint.H - 1, pdfPoint.V - 1, pdfPoint.H, pdfPoint.V);
properties.BoundingRect = rect;
BaseAnnotationEditor editor = docView.CreateAnnotation(pageNum, properties);
capturedGuide = editor.Guides[2]; // guide: bottom-right corner of rectangle
docView.Invalidate();
}
done = true;
}
public override void MouseDown(MouseEventArgs e, System.Drawing.Point location)
{
if (!docView.EditPermission)
{
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
int pageNum = docView.GetPageByCoord(location);
if (!captured && pageNum == -1)
{
return;
}
if (!captured) // first click, put start point, stick endpoint to cursor
{
captured = true;
capturedPage = pageNum;
Datalogics.PDFL.Point pdfStartPoint = docView.ViewToPdf(location, pageNum);
Datalogics.PDFL.Point pdfEndPoint = new Point(pdfStartPoint.H + 1, pdfStartPoint.V + 1);
Datalogics.PDFL.Rect rect = new Datalogics.PDFL.Rect(pdfStartPoint.H, pdfStartPoint.V, pdfEndPoint.H, pdfEndPoint.V);
properties.BoundingRect = rect;
properties.StartPoint = pdfStartPoint;
properties.EndPoint = pdfEndPoint;
BaseAnnotationEditor editor = docView.CreateAnnotation(pageNum, properties);
capturedGuide = editor.Guides[1]; // endpoint guide
docView.Invalidate();
}
}
/**
* Double click handler. Used only for FreeText annotation editing: opens annotation's rich text box.
*/
public override void MouseDoubleClick(MouseEventArgs e, System.Drawing.Point location)
{
if (!docView.EditPermission)
{
return;
}
BaseAnnotationEditor editor = docView.ActiveAnnotation;
if (editor == null)
{
return;
}
switch (editor.Properties.Subtype)
{
// we have clicked on free text annotation: create rich text box
case "FreeText": CreateRichTextBox(); return;
// we have clicked on link annotation: switch to target view mode to select link target
case "Link":
docView.FunctionMode = ApplicationFunctionMode.TargetMode;
return;
}
}
/**
* Mouse up handler.
* All annotation transformation is performed in mouse move handler.
* This handler is for context menu calls, and for finishing annotation tracking.
*/
public override void MouseUp(MouseEventArgs e, System.Drawing.Point location)
{
captured = false;
if (!docView.EditPermission)
{
return;
}
if (e.Button == MouseButtons.Right)
{
if (docView.ActiveAnnotation != null)
{
ContextMenu currentContextMenu = null;
switch (docView.ActiveAnnotation.Properties.Subtype)
{
case "FreeText":
currentContextMenu = textAnnotationContextMenu;
break;
case "Link":
currentContextMenu = linkAnnotationContextMenu;
break;
default:
currentContextMenu = shapeAnnotationContextMenu;
break;
}
if (currentContextMenu != null)
{
UpdateMenuItems(currentContextMenu);
currentContextMenu.Show(docView.Parent, e.Location);
}
}
}
else
{
docView.EditCheckPoint();
if (e.Button == MouseButtons.Left && Control.ModifierKeys == Keys.Control && (docView.ActiveAnnotation != null || cachedIndex != -1))
{
BaseAnnotationEditor editor = docView.EditAnnotations[cachedIndex];
if (editor is LinkAnnotationEditor)
{
LinkAnnotation annot = editor.Annotation as LinkAnnotation;
if (annot.Action is URIAction)
{
URIAction act = annot.Action as URIAction;
System.Diagnostics.Process.Start(act.URI);
}
else if (annot.Action is RemoteGoToAction)
{
RemoteGoToAction action = annot.Action as RemoteGoToAction;
FileSpecification spec = action.FileSpecification;
string fullPath = System.IO.Path.GetFullPath(spec.Path);
if (System.IO.File.Exists(fullPath))
{
System.Diagnostics.Process.Start(fullPath);
}
}
else if (annot.Action is GoToAction || annot.Destination != null)
{
GoToAction action = (annot.Action as GoToAction);
ViewDestination dest = action == null ? annot.Destination : action.Destination;
if (dest != null)
{
docView.GoToDestionation(dest);
}
}
}
}
}
}
/**
* Mouse move handler, tracks a guide rect movings.
*/
public override void MouseMove(MouseEventArgs e, System.Drawing.Point location)
{
// if no annotation is currently selected then just drag view like in ScrollViewMode
if (captured && docView.ActiveAnnotation == null)
{
// drag page like in ScrollViewMode
System.Drawing.Point delta = location;
delta.X -= capturedPoint.X;
delta.Y -= capturedPoint.Y;
System.Drawing.Point scroll = docView.Scroll;
scroll.X -= delta.X;
scroll.Y -= delta.Y;
docView.Scroll = scroll;
docView.Cursor = Cursors.Default;
return;
}
if (!docView.EditPermission ||
docView.EditPage == -1 ||
docView.EditAnnotations == null ||
docView.EditAnnotations.Count == 0)
{
docView.Cursor = Cursors.Default;
return;
}
// calculate pdf coordinate on the page
Datalogics.PDFL.Point pdfPoint = docView.ViewToPdf(location, docView.EditPage);
// left mouse button dragging: move or resize annotation
if (e.Button == MouseButtons.Left && docView.ActiveAnnotation != null)
{
if (capturedGuide != null) // if guide is selected - move it
{
Datalogics.PDFL.Point newGuideLocation = new Datalogics.PDFL.Point(pdfPoint.H + capturedOffset.H, pdfPoint.V + capturedOffset.V);
capturedGuide = docView.MoveGuide(capturedGuide, newGuideLocation);
docView.Cursor = capturedGuide.CursorForRotation(docView.Document.GetPage(docView.EditPage).Rotation);
}
else // if no guides is selected - move the whole annotation
{
if (capturedPoint.Equals(location))
{
return;
}
Datalogics.PDFL.Point oldPdfPoint = docView.ViewToPdf(capturedPoint, docView.EditPage);
Datalogics.PDFL.Matrix matrix = new Datalogics.PDFL.Matrix()
.Translate(pdfPoint.H - oldPdfPoint.H, pdfPoint.V - oldPdfPoint.V);
capturedPoint = location;
docView.TransformAnnotation(matrix);
docView.Cursor = Cursors.Hand;
}
docView.IsDocumentChanged = true;
return;
}
// no left mouse button down, just process cursor
int index = FindAnnotation(pdfPoint, cachedIndex);
if (index == -1)
{
docView.HoverAnnotation = null;
docView.Cursor = Cursors.Default;
}
else // when no mouse dragging, we track annotation under cursor just to draw it's bounding rectangle
{
BaseAnnotationEditor anno = docView.EditAnnotations[index];
Hit hit = anno.TestHit(pdfPoint);
if (anno == docView.ActiveAnnotation && (hit.flags & HitFlags.GuideHit) != 0)
{
docView.Cursor = hit.guide.CursorForRotation(docView.Document.GetPage(docView.EditPage).Rotation);
}
else if ((hit.flags & (HitFlags.BorderHit | HitFlags.RectHit)) != 0)
{
docView.Cursor = Cursors.Hand;
}
else
{
docView.Cursor = Cursors.Default;
}
docView.HoverAnnotation = anno;
}
}