private void pChart_MouseUp(object sender, MouseEventArgs e)
{
System.Windows.Forms.DataVisualization.Charting.HitTestResult result = pChart.HitTest(e.X, e.Y);
int intLastSeriesIdx = pChart.Series.Count - 1;
//Remove Previous Selection
if (pChart.Series[intLastSeriesIdx].Name == "SelSeries")
{
pChart.Series.RemoveAt(intLastSeriesIdx);
}
if (result.ChartElementType == System.Windows.Forms.DataVisualization.Charting.ChartElementType.DataPoint)
{
//Brushing on Graph
int index = result.PointIndex;
double dblYValue = pChart.Series[0].Points[index].YValues[0] + pChart.Series[1].Points[index].YValues[0];
double dblSelYValue = pChart.Series[0].Points[index].YValues[0] + pChart.Series[1].Points[index].YValues[0] + pChart.Series[2].Points[index].YValues[0];
double dblXvalue = pChart.Series[1].Points[index].XValue;
var Selseries1 = new System.Windows.Forms.DataVisualization.Charting.Series
{
Name = "SelSeries",
Color = System.Drawing.Color.Cyan,
BorderColor = System.Drawing.Color.Black,
IsVisibleInLegend = false,
//BackHatchStyle = ChartHatchStyle.DiagonalCross,
ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Column,
};
pChart.Series.Add(Selseries1);
Selseries1.Points.AddXY(dblXvalue, dblSelYValue);
string whereClause = strValueFldName + " = " + dblYValue.ToString();
//Brushing to ActiveView
pSnippet.FeatureSelectionOnActiveView(whereClause, pActiveView, pFLayer);
//Brushing to other graphs
pSnippet.BrushingToOthers(pFLayer, this.Handle);
}
else
{
//Clear Selection Both Histogram and ActiveView
//Remove Previous Selection
intLastSeriesIdx = pChart.Series.Count - 1;
if (pChart.Series[intLastSeriesIdx].Name == "SelSeries")
{
pChart.Series.RemoveAt(intLastSeriesIdx);
}
IFeatureSelection featureSelection = (IFeatureSelection)pFLayer;
pActiveView.PartialRefresh(ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGeoSelection, null, null);
featureSelection.Clear();
pActiveView.PartialRefresh(ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGeoSelection, null, null);
//Brushing to other graphs
pSnippet.BrushingToOthers(pFLayer, this.Handle);
}
}
public ToolTipEventArgs (int x, int y, string text, HitTestResult result)
{
X = x;
Y = y;
Text = text;
HitTestResult = result;
}
void colChart_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
hitTest = colChart.HitTest(e.X, e.Y);
if (hitTest.ChartElementType == ChartElementType.DataPoint)
{
DataPoint point = hitTest.Object as DataPoint;
point.IsValueShownAsLabel = true;
point.BackHatchStyle = ChartHatchStyle.Percent25;
}
}
void chart_ForSystemStdDev_GetToolTipText(object sender, ToolTipEventArgs e)
{
System.Windows.Forms.DataVisualization.Charting.HitTestResult Result = new System.Windows.Forms.DataVisualization.Charting.HitTestResult();
Result = chart_ForSystemStdDev.HitTest(e.X, e.Y);
Series sr = Result.Series;
if (Result.PointIndex < 0)
{
return;
}
if (sr != null)
{
e.Text = string.Format("第{0}道:{1}", sr.Name, sr.Points[Result.PointIndex].YValues[0]);
}
////Result.Series;// 就是点击获得的Series
////Result.Series.Points[Result.PointIndex].XValue;// 为点击Series X坐标
////Result.Series.Points[Result.PointIndex].YValue;// 为点击Series
}
public static void tooltip_graph_display(System.Windows.Forms.ToolTip t, System.Windows.Forms.MouseEventArgs e, Chart c, System.Drawing.Point?p)
{
t.RemoveAll();
System.Drawing.Point pos = e.Location;
if (p.HasValue && pos == p.Value)
{
return;
}
System.Windows.Forms.DataVisualization.Charting.HitTestResult[] results = new System.Windows.Forms.DataVisualization.Charting.HitTestResult[4];
try
{
results = c.HitTest(pos.X, pos.Y, false, ChartElementType.DataPoint);
foreach (System.Windows.Forms.DataVisualization.Charting.HitTestResult result in results)
{
if (result.ChartElementType == ChartElementType.DataPoint)
{
DataPoint prop = result.Object as DataPoint;
if (prop != null)
{
double pointXPixel = result.ChartArea.AxisX.ValueToPixelPosition(prop.XValue);
double pointYPixel = result.ChartArea.AxisY.ValueToPixelPosition(prop.YValues[0]);
// check if the cursor is really close to the point (2 pixels around the point)
if (Math.Abs(pos.X - pointXPixel) < 2) //&& Math.Abs(pos.Y - pointYPixel) < 2)
{
t.Show("X=" + prop.XValue + ", Y=" + prop.YValues[0], c, pos.X, pos.Y - 15);
}
}
}
}
}
catch
{ }
}
/// <summary>
/// Mouse moved in the control.
/// </summary>
/// <param name="e">Event arguments.</param>
internal void OnMouseMove(MouseEventArgs e)
{
// Check if in annotation placement mode
if (this.placingAnnotation != null)
{
System.Windows.Forms.Cursor newCursor = this.Chart.Cursor;
if (this.placingAnnotation.IsValidPlacementPosition(e.X, e.Y))
{
newCursor = Cursors.Cross;
}
else
{
newCursor = this.Chart.defaultCursor;
}
// Set current chart cursor
if (newCursor != this.Chart.Cursor)
{
System.Windows.Forms.Cursor tmpCursor = this.Chart.defaultCursor;
this.Chart.Cursor = newCursor;
this.Chart.defaultCursor = tmpCursor;
}
this.placingAnnotation.PlacementMouseMove(new PointF(e.X, e.Y));
return;
}
// Check if currently resizing/moving annotation
if (!this._movingResizingStartPoint.IsEmpty &&
this._resizingMode != ResizingMode.None)
{
// Calculate how far the mouse was moved
SizeF moveDistance = new SizeF(
this._movingResizingStartPoint.X - e.X,
this._movingResizingStartPoint.Y - e.Y);
// Update location of all selected annotation objects
foreach (Annotation annot in this)
{
if (annot.IsSelected &&
((this._resizingMode == ResizingMode.MovingPathPoints && annot.AllowPathEditing) ||
(this._resizingMode == ResizingMode.Moving && annot.AllowMoving) ||
(this._resizingMode == ResizingMode.AnchorHandle && annot.AllowAnchorMoving) ||
(this._resizingMode >= ResizingMode.TopLeftHandle && this._resizingMode <= ResizingMode.LeftHandle && annot.AllowResizing)))
{
annot.AdjustLocationSize(moveDistance, this._resizingMode, true, true);
}
}
// Move last clicked non-selected annotation
if (lastClickedAnnotation != null &&
!lastClickedAnnotation.IsSelected)
{
if (this._resizingMode == ResizingMode.Moving &&
lastClickedAnnotation.AllowMoving)
{
lastClickedAnnotation.AdjustLocationSize(moveDistance, this._resizingMode, true, true);
}
}
// Invalidate and update the chart
this.Chart.Invalidate(true);
this.Chart.UpdateAnnotations();
}
else if (this.Count > 0)
{
// Check if currently placing annotation from the UserInterface
bool process = true;
if (process)
{
// Check if mouse pointer is over the annotation selection handle
ResizingMode currentResizingMode = ResizingMode.None;
Annotation annotation =
HitTestSelectionHandles(new PointF(e.X, e.Y), ref currentResizingMode);
// Check if mouse pointer over the annotation object movable area
if (annotation == null)
{
HitTestResult result = this.Chart.HitTest(e.X, e.Y, ChartElementType.Annotation);
if (result != null && result.ChartElementType == ChartElementType.Annotation)
{
annotation = (Annotation)result.Object;
if (annotation != null)
{
// Check if annotation is in the collection
if (this.Contains(annotation))
{
currentResizingMode = ResizingMode.Moving;
if (annotation.AllowMoving == false)
{
// Movement is not allowed
annotation = null;
currentResizingMode = ResizingMode.None;
}
}
}
}
}
// Set mouse cursor
SetResizingCursor(annotation, currentResizingMode);
}
}
}
/// <summary>
/// Mouse button pressed in the control.
/// </summary>
/// <param name="e">Event arguments.</param>
/// <param name="isHandled">Returns true if event is handled and no further processing required.</param>
internal void OnMouseDown(MouseEventArgs e, ref bool isHandled)
{
// Reset last clicked annotation object and stop text editing
if (lastClickedAnnotation != null)
{
TextAnnotation textAnnotation = lastClickedAnnotation as TextAnnotation;
if (textAnnotation != null)
{
// Stop annotation text editing
textAnnotation.StopTextEditing();
}
lastClickedAnnotation = null;
}
// Check if in annotation placement mode
if (this.placingAnnotation != null)
{
// Process mouse down
this.placingAnnotation.PlacementMouseDown(new PointF(e.X, e.Y), e.Button);
// Set handled flag
isHandled = true;
return;
}
// Process only left mouse buttons
if (e.Button == MouseButtons.Left)
{
bool updateRequired = false;
this._resizingMode = ResizingMode.None;
// Check if mouse buton was pressed in any selection handles areas
Annotation annotation =
HitTestSelectionHandles(new PointF(e.X, e.Y), ref this._resizingMode);
// Check if mouse button was pressed over one of the annotation objects
if (annotation == null && this.Count > 0)
{
HitTestResult result = this.Chart.HitTest(e.X, e.Y, ChartElementType.Annotation);
if (result != null && result.ChartElementType == ChartElementType.Annotation)
{
annotation = (Annotation)result.Object;
}
}
// Unselect all annotations if mouse clicked outside any annotations
if (annotation == null || !annotation.IsSelected)
{
if ((Control.ModifierKeys & Keys.Control) != Keys.Control &&
(Control.ModifierKeys & Keys.Shift) != Keys.Shift)
{
foreach (Annotation annot in this.Chart.Annotations)
{
if (annot != annotation && annot.IsSelected)
{
annot.IsSelected = false;
updateRequired = true;
// Call selection changed notification
if (this.Chart != null)
{
this.Chart.OnAnnotationSelectionChanged(annot);
}
}
}
}
}
// Process mouse action in the annotation object
if (annotation != null)
{
// Mouse down event handled
isHandled = true;
// Select/Unselect annotation
Annotation selectableAnnotation = annotation;
if (annotation.AnnotationGroup != null)
{
// Select annotation group when click on any child annotations
selectableAnnotation = annotation.AnnotationGroup;
}
if (!selectableAnnotation.IsSelected && selectableAnnotation.AllowSelecting)
{
selectableAnnotation.IsSelected = true;
updateRequired = true;
// Call selection changed notification
if (this.Chart != null)
{
this.Chart.OnAnnotationSelectionChanged(selectableAnnotation);
}
}
else if ((Control.ModifierKeys & Keys.Control) == Keys.Control ||
(Control.ModifierKeys & Keys.Shift) == Keys.Shift)
{
selectableAnnotation.IsSelected = false;
updateRequired = true;
// Call selection changed notification
if (this.Chart != null)
{
this.Chart.OnAnnotationSelectionChanged(selectableAnnotation);
}
}
// Remember last clicked and selected annotation
lastClickedAnnotation = annotation;
// Rember mouse position
this._movingResizingStartPoint = new PointF(e.X, e.Y);
// Start moving, repositioning or resizing of annotation
if (annotation.IsSelected)
{
// Check if one of selection handles was clicked on
this._resizingMode = annotation.GetSelectionHandle(this._movingResizingStartPoint);
if (!annotation.AllowResizing &&
this._resizingMode >= ResizingMode.TopLeftHandle &&
this._resizingMode <= ResizingMode.LeftHandle)
{
this._resizingMode = ResizingMode.None;
}
if (!annotation.AllowAnchorMoving &&
this._resizingMode == ResizingMode.AnchorHandle)
{
this._resizingMode = ResizingMode.None;
}
if (this._resizingMode == ResizingMode.None && annotation.AllowMoving)
{
// Annotation moving mode
this._resizingMode = ResizingMode.Moving;
}
}
else
{
if (this._resizingMode == ResizingMode.None && annotation.AllowMoving)
{
// Do not allow moving child annotations inside the group.
// Only the whole group can be selected, resized or repositioned.
if (annotation.AnnotationGroup != null)
{
// Move the group instead
lastClickedAnnotation = annotation.AnnotationGroup;
}
// Annotation moving mode
this._resizingMode = ResizingMode.Moving;
}
}
}
// Update chart
if (updateRequired)
{
// Invalidate and update the chart
this.Chart.Invalidate(true);
this.Chart.UpdateAnnotations();
}
}
}
/// <summary>
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnMouseMove(object sender, MouseEventArgs e)
{
/*if (m_mouseDown != null)
{
Vector2 x, y;
GetZoomRange(e, out x, out y);
m_area.AxisX.ScaleView.Zoom(x.m_x, x.m_y);
m_area.AxisY.ScaleView.Zoom(y.m_x, y.m_y);
}*/
// Call HitTest
HitTestResult result = m_chart.HitTest(e.X, e.Y);
// If the mouse if over a data point
if (result.ChartElementType == ChartElementType.DataPoint)
{
// Find selected data point
//DataPoint point = m_chart.Series[kSmaSSeriesName].Points[result.PointIndex];
m_mouseOverResult = result;
m_chart.Invalidate();
}
else
{
m_mouseOverResult = null;
}
}
private void chart_ThamNien_MouseDown(object sender, MouseEventArgs e)
{
// Call Hit Test Method
result = chart_ThamNien.HitTest(e.X, e.Y);
if (result.ChartElementType == ChartElementType.DataPoint || result.ChartElementType == ChartElementType.DataPointLabel)
{
ClearThongTin();
// Show dialog
//MessageBox.Show(DateTime.FromOADate(chart_ThamNien.Series[result.Series.Name].Points[result.PointIndex].XValue).ToString());
int? id = Convert.ToInt32(chart_ThamNien.Series[result.Series.Name].Points[result.PointIndex].Tag);
DataRow r = dt_original.AsEnumerable().Where(a => a.Field<int?>("id") == id).CopyToDataTable().Rows[0];
BindThongTin(r);
}
//else if (result.ChartElementType != ChartElementType.Nothing)
//{
// string elementType = result.ChartElementType.ToString();
// MessageBox.Show(this, "Selected Element is: " + elementType);
//}
}
private bool CompareCollections(HitTestResult[] result)
{
if ((_lastObjects == null ^ result == null) || result == null)
return false;
if (_lastObjects.Length != result.Length)
return false;
for (int i = 0; i < result.Length; i++)
{
if (_lastObjects[i].Object != result[i].Object)
return false;
}
return true;
}
