override protected void OnMouseDown(MouseEventArgs mea)
{
base.OnMouseDown(mea); // allow base to process first
HitListEntry hle = this.GetHitListEntry(mea);
SetHitListCursor(hle); // set the cursor based on the hit list entry
if (mea.Button != MouseButtons.Left || hle == null)
{
return;
}
if (hle.pi.HyperLink != null)
{
try
{
System.Diagnostics.Process.Start(hle.pi.HyperLink);
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Unable to link to {0}{1}{2}",
hle.pi.HyperLink, Environment.NewLine, ex.Message), "HyperLink Error");
}
}
}
override protected void OnMouseMove(MouseEventArgs mea)
{
Cursor c = Cursors.Default;
HitListEntry hle = this.GetHitListEntry(mea);
SetHitListCursor(hle);
SetHitListTooltip(hle);
return;
}
private void SetHitListTooltip(HitListEntry hle)
{
if (hle == null || hle.pi.Tooltip == null)
{
_tt.Active = false;
}
else
{
_tt.SetToolTip(this, hle.pi.Tooltip);
_tt.Active = true;
}
}
private void SetHitListCursor(HitListEntry hle)
{
Cursor c = Cursors.Default;
if (hle == null)
{
}
else if (hle.pi.HyperLink != null || hle.pi.BookmarkLink != null)
{
c = Cursors.Hand;
}
if (Cursor.Current != c)
{
Cursor.Current = c;
}
}
override protected void OnMouseDown(MouseEventArgs mea)
{
base.OnMouseDown(mea); // allow base to process first
_MousePosition = new Point(mea.X, mea.Y);
if (MouseDownRubberBand(mea))
{
return;
}
HitListEntry hle = this.GetHitListEntry(mea);
SetHitListCursor(hle); // set the cursor based on the hit list entry
if (mea.Button != MouseButtons.Left || hle == null)
{
return;
}
if (hle.pi.HyperLink != null)
{
RdlViewer rv = this.Parent as RdlViewer;
bool bInvoke = true;
if (rv != null)
{
HyperlinkEventArgs hlea = new HyperlinkEventArgs(hle.pi.HyperLink);
rv.InvokeHyperlink(hlea); // reset any mousemove
bInvoke = !hlea.Cancel;
}
try
{
if (bInvoke)
{
System.Diagnostics.Process.Start(hle.pi.HyperLink);
}
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Unable to link to {0}{1}{2}",
hle.pi.HyperLink, Environment.NewLine, ex.Message), "HyperLink Error");
}
}
}
private void SetItemsHitArea()
{
float XAdditional = GetLeftAreaPosition();
float YAdditional = rep_padding;
hitList.Clear();
foreach (PageItem pi in pages)
{
if (pi is PageTextHtml) // PageTextHtml is actually a composite object (just like a page)
{
Rectangle hr = new Rectangle(PixelsX(pi.X * scale) + XAdditional, PixelsY(pi.Y * scale) + YAdditional,
PixelsX(pi.W * scale), PixelsY(pi.H * scale));
hitList.Add(new HitListEntry(hr, pi));
continue;
}
Rectangle rect = new Rectangle(PixelsX(pi.X * scale) + XAdditional, PixelsY(pi.Y * scale) + YAdditional,
PixelsX(pi.W * scale), PixelsY(pi.H * scale));
if (pi is PageText || pi is PageImage)
{
hitList.Add(new HitListEntry(rect, pi));
}
// Only care about items with links and tips
else if (pi.HyperLink != null || pi.BookmarkLink != null || pi.Tooltip != null)
{
HitListEntry hle;
if (pi is PagePolygon)
{
hle = new HitListEntry(pi as PagePolygon, XAdditional, YAdditional, this);
}
else
{
hle = new HitListEntry(rect, pi);
}
hitList.Add(hle);
}
}
}
private void SetHitListTooltip(HitListEntry hle)
{
if (hle == null || hle.pi.Tooltip == null)
_tt.Active = false;
else
{
_tt.SetToolTip(this, hle.pi.Tooltip);
_tt.Active = true;
}
}
private void SetHitListCursor(HitListEntry hle)
{
Cursor c = Cursors.Default;
if (hle == null)
{ }
else if (hle.pi.HyperLink != null || hle.pi.BookmarkLink != null)
c = Cursors.Hand;
if (this.Cursor != c)
this.Cursor = c;
}
// render all the objects in a page (or any composite object
private void ProcessPage(Graphics g, IEnumerable p, RectangleF clipRect, bool bHitList)
{
// TODO: (Peter) Support can grow and can shrink
foreach (PageItem pi in p)
{
if (pi is PageTextHtml)
{ // PageTextHtml is actually a composite object (just like a page)
if (SelectTool && bHitList)
{
RectangleF hr = new RectangleF(PixelsX(pi.X + _left - _hScroll), PixelsY(pi.Y + _top - _vScroll),
PixelsX(pi.W), PixelsY(pi.H));
_HitList.Add(new HitListEntry(hr, pi));
}
ProcessHtml(pi as PageTextHtml, g, clipRect, bHitList);
continue;
}
if (pi is PageLine)
{
PageLine pl = pi as PageLine;
DrawLine(pl.SI.BColorLeft, pl.SI.BStyleLeft, pl.SI.BWidthLeft,
g, PixelsX(pl.X + _left - _hScroll), PixelsY(pl.Y + _top - _vScroll),
PixelsX(pl.X2 + _left - _hScroll), PixelsY(pl.Y2 + _top - _vScroll));
continue;
}
RectangleF rect = new RectangleF(PixelsX(pi.X + _left - _hScroll), PixelsY(pi.Y + _top - _vScroll),
PixelsX(pi.W), PixelsY(pi.H));
// Maintain the hit list
if (bHitList)
{
if (SelectTool)
{ // we need all PageText and PageImage items that have been displayed
if (pi is PageText || pi is PageImage)
{
_HitList.Add(new HitListEntry(rect, pi));
}
}
// Only care about items with links and tips
else if (pi.HyperLink != null || pi.BookmarkLink != null || pi.Tooltip != null)
{
HitListEntry hle;
if (pi is PagePolygon)
hle = new HitListEntry(pi as PagePolygon, _left - _hScroll, _top - _vScroll, this);
else
hle = new HitListEntry(rect, pi);
_HitList.Add(hle);
}
}
if ((pi is PagePolygon) || (pi is PageCurve))
{ // intentionally empty; polygon's rectangles aren't calculated
}
else if (!rect.IntersectsWith(clipRect))
continue;
if (pi.SI.BackgroundImage != null)
{ // put out any background image
PageImage i = pi.SI.BackgroundImage;
DrawImageBackground(i, pi.SI, g, rect);
}
if (pi is PageText)
{
// TODO: enable can shrink, can grow
// 2005 spec file, page 9, in the text box has
// CanGrow and CanShrink
PageText pt = pi as PageText;
DrawString(pt, g, rect);
}
else if (pi is PageImage)
{
PageImage i = pi as PageImage;
DrawImage(i, g, rect);
}
else if (pi is PageRectangle)
{
this.DrawBackground(g, rect, pi.SI);
}
else if (pi is PageEllipse)
{
PageEllipse pe = pi as PageEllipse;
DrawEllipse(pe, g, rect);
}
else if (pi is PagePie)
{
PagePie pp = pi as PagePie;
DrawPie(pp, g, rect);
}
else if (pi is PagePolygon)
{
PagePolygon ppo = pi as PagePolygon;
FillPolygon(ppo, g, rect);
}
else if (pi is PageCurve)
{
PageCurve pc = pi as PageCurve;
DrawCurve(pc.SI.BColorLeft, pc.SI.BStyleLeft, pc.SI.BWidthLeft,
g, pc.Points, pc.Offset, pc.Tension);
}
DrawBorder(pi, g, rect);
}
}
/// <summary>
/// Renders all the objects in a Page or composite object.
/// </summary>
private static void ProcessPage(Graphics g, IEnumerable p, RectangleF clipRect, bool bHitList, CanvasProperties cp, ref PageItemManager cpim)
{
foreach (PageItem pi in p)
{
if (pi is PageTextHtml)
{ // PageTextHtml is actually a composite object (just like a page)
if (cpim.SelectToolEnabled && bHitList)
{
RectangleF hr = new RectangleF(
Measurement.PixelsFromPoints(pi.X + cp.Left - cp.Scroll.X, cp.Dpi.X),
Measurement.PixelsFromPoints(pi.Y + cp.Scroll.X - cp.Scroll.Y, cp.Dpi.Y),
Measurement.PixelsFromPoints(pi.W, cp.Dpi.X),
Measurement.PixelsFromPoints(pi.H, cp.Dpi.Y));
cpim.HitList.Add(new HitListEntry(hr, pi));
}
ProcessHtml(pi as PageTextHtml, g, clipRect, bHitList, cp, ref cpim);
continue;
}
if (pi is PageLine)
{
PageLine pl = pi as PageLine;
CanvasPainter.DrawLine(
pl.SI.BColorLeft,
pl.SI.BStyleLeft,
pl.SI.BWidthLeft,
g,
Measurement.PixelsFromPoints(pl.X + cp.Left - cp.Scroll.X, cp.Dpi.X),
Measurement.PixelsFromPoints(pl.Y + cp.Top - cp.Scroll.Y, cp.Dpi.Y),
Measurement.PixelsFromPoints(pl.X2 + cp.Left - cp.Scroll.X, cp.Dpi.X),
Measurement.PixelsFromPoints(pl.Y2 + cp.Top - cp.Scroll.Y, cp.Dpi.Y));
continue;
}
RectangleF rect = new RectangleF(
Measurement.PixelsFromPoints(pi.X + cp.Left - cp.Scroll.X, cp.Dpi.X),
Measurement.PixelsFromPoints(pi.Y + cp.Top - cp.Scroll.Y, cp.Dpi.Y),
Measurement.PixelsFromPoints(pi.W, cp.Dpi.X),
Measurement.PixelsFromPoints(pi.H, cp.Dpi.Y));
// Maintain the hit list
if (bHitList)
{
if (cpim.SelectToolEnabled)
{ // we need all PageText and PageImage items that have been displayed
if (pi is PageText || pi is PageImage)
{
cpim.HitList.Add(new HitListEntry(rect, pi));
}
}
// Only care about items with links and tips
else if (pi.HyperLink != null || pi.BookmarkLink != null || pi.Tooltip != null)
{
HitListEntry hle;
if (pi is PagePolygon)
{
hle = new HitListEntry(pi as PagePolygon, cp.Left - cp.Scroll.X, cp.Top - cp.Scroll.Y, ((Canvas)cp.Parent));
}
else
{
hle = new HitListEntry(rect, pi);
}
cpim.HitList.Add(hle);
}
}
if ((pi is PagePolygon) || (pi is PageCurve))
{ // intentionally empty; polygon's rectangles aren't calculated
}
else if (!rect.IntersectsWith(clipRect))
{
continue;
}
if (pi.SI.BackgroundImage != null)
{ // put out any background image
PageImage i = pi.SI.BackgroundImage;
CanvasPainter.DrawImageBackground(i, pi.SI, g, rect);
}
if (pi is PageText)
{
PageText pt = pi as PageText;
CanvasPainter.DrawString(pt, g, rect, cp, cpim);
}
else if (pi is PageImage)
{
PageImage i = pi as PageImage;
CanvasPainter.DrawImage(i, g, rect, cp, cpim);
}
else if (pi is PageRectangle)
{
CanvasPainter.DrawBackground(g, rect, pi.SI);
}
else if (pi is PageEllipse)
{
PageEllipse pe = pi as PageEllipse;
CanvasPainter.DrawEllipse(pe, g, rect);
}
else if (pi is PagePie)
{
PagePie pp = pi as PagePie;
CanvasPainter.DrawPie(pp, g, rect);
}
else if (pi is PagePolygon)
{
PagePolygon ppo = pi as PagePolygon;
CanvasPainter.FillPolygon(ppo, g, rect, cp);
}
else if (pi is PageCurve)
{
PageCurve pc = pi as PageCurve;
CanvasPainter.DrawCurve(pc.SI.BColorLeft, pc.SI.BStyleLeft, pc.SI.BWidthLeft,
g, pc.Points, pc.Offset, pc.Tension, cp);
}
CanvasPainter.DrawBorder(pi, g, rect);
}
}
override protected void OnMouseMove(MouseEventArgs mea)
{
if (SelectTool)
{ // When selection we skip other cursor processing
if (this.Cursor != Cursors.Cross)
{
this.Cursor = Cursors.Cross;
}
if (!_bHaveMouse)
{
return;
}
Point newMousePosition = new Point(mea.X, mea.Y);
// we're rubber banding
// If we drew previously; we'll draw again to remove old rectangle
if (this._ptRBLast.X != -1)
{
this.RubberBand(this._ptRBOriginal, _ptRBLast);
}
_MousePosition = newMousePosition;
// Update last point; but don't rubber band outside our client area
if (newMousePosition.X < 0)
{
newMousePosition.X = 0;
}
if (newMousePosition.X > this.Width)
{
newMousePosition.X = this.Width;
}
if (newMousePosition.Y < 0)
{
newMousePosition.Y = 0;
}
if (newMousePosition.Y > this.Height)
{
newMousePosition.Y = this.Height;
}
_ptRBLast = newMousePosition;
if (_ptRBLast.X < 0)
{
_ptRBLast.X = 0;
}
if (_ptRBLast.Y < 0)
{
_ptRBLast.Y = 0;
}
// Draw new lines.
this.RubberBand(_ptRBOriginal, newMousePosition);
this.Cursor = Cursors.Cross; // use cross hair to indicate drawing
return;
}
HitListEntry hle = this.GetHitListEntry(mea);
SetHitListCursor(hle);
SetHitListTooltip(hle);
return;
}
