private void UpdateDecorationControls()
{
_ignoreChanges = true;
ILineDecoration decoration = ccDecorations.SelectedDecoration;
if (decoration != null)
{
chkFlipAll.Checked = decoration.FlipAll;
chkFlipFirst.Checked = decoration.FlipFirst;
if (decoration.RotateWithLine)
{
radRotationWithLine.Checked = true;
}
else
{
radRotationFixed.Checked = true;
}
nudDecorationCount.Value = decoration.NumSymbols;
nudPercentualPosition.Value = decoration.PercentualPosition;
nudPercentualPosition.Visible = decoration.NumSymbols == 1;
lblPercentualPosition.Visible = decoration.NumSymbols == 1;
dblOffset.Value = decoration.Offset;
}
_ignoreChanges = false;
}
private void UpdateDecorationPreview(Graphics g)
{
ILineDecoration dec = ccDecorations.SelectedDecoration;
if (dec != null)
{
dec.Symbol.Draw(g, lblDecorationPreview.ClientRectangle);
}
}
private void BtnUpClick(object sender, EventArgs e)
{
ILineDecoration lineDecoration = lbxItems.SelectedItem as ILineDecoration;
if (lineDecoration == null)
{
return;
}
_decorations.IncreaseIndex(lineDecoration);
RefreshList();
lbxItems.SelectedItem = lineDecoration;
OnOrderChanged();
}
private void BtnEditClick(object sender, EventArgs e)
{
ILineDecoration dec = ccDecorations.SelectedDecoration;
if (dec == null)
{
return;
}
DetailedPointSymbolDialog dpd = new(dec.Symbol);
dpd.ChangesApplied += DpdChangesApplied;
dpd.ShowDialog();
}
private void radRotationWithLine_CheckedChanged(object sender, EventArgs e)
{
if (_ignoreChanges)
{
return;
}
ILineDecoration dec = ccDecorations.SelectedDecoration;
if (dec != null)
{
dec.RotateWithLine = radRotationWithLine.Checked;
}
UpdatePreview();
}
/// <summary>
/// Update the selected linedecoration: set the percentual position between line start and end of the single decoration.
/// </summary>
private void nudPercentualPosition_ValueChanged(object sender, EventArgs e)
{
if (_ignoreChanges)
{
return;
}
ILineDecoration dec = ccDecorations.SelectedDecoration;
if (dec != null)
{
dec.PercentualPosition = (int)nudPercentualPosition.Value;
}
UpdatePreview();
}
/// <summary>
/// Update the selected linedecoration: set whether the first decoration should be flipped.
/// </summary>
private void chkFlipFirst_CheckedChanged(object sender, EventArgs e)
{
if (_ignoreChanges)
{
return;
}
ILineDecoration dec = ccDecorations.SelectedDecoration;
if (dec != null)
{
dec.FlipFirst = chkFlipFirst.Checked;
}
UpdatePreview();
}
private void nudDecorationCount_ValueChanged(object sender, EventArgs e)
{
if (_ignoreChanges)
{
return;
}
ILineDecoration dec = ccDecorations.SelectedDecoration;
if (dec != null)
{
dec.NumSymbols = (int)nudDecorationCount.Value;
}
UpdatePreview();
}
private void RadPositionCheckedChanged(object sender, EventArgs e)
{
if (_ignoreChanges)
{
return;
}
ILineDecoration dec = ccDecorations.SelectedDecoration;
if (dec != null)
{
dec.UseSpacing = radSpacing.Checked;
}
UpdatePreview();
}
private void NudDecorationCountValueChanged(object sender, EventArgs e)
{
nudPercentualPosition.Visible = nudDecorationCount.Value == 1;
lblPercentualPosition.Visible = nudDecorationCount.Value == 1;
if (_ignoreChanges)
{
return;
}
ILineDecoration dec = ccDecorations.SelectedDecoration;
if (dec != null)
{
dec.NumSymbols = (int)nudDecorationCount.Value;
}
UpdatePreview();
}
private void CmbSpacingUnitSelectedIndexChanged(object sender, EventArgs e)
{
if (_ignoreChanges)
{
return;
}
ILineDecoration dec = ccDecorations.SelectedDecoration;
if (dec != null)
{
if (float.TryParse(dbSpacing.Text, out float fValue) && fValue > 0)
{
dec.Spacing = fValue;
dec.SpacingUnit = cmbSpacingUnit.SelectedItem.ToString();
}
}
UpdatePreview();
}
private void btnRemove_Click(object sender, EventArgs e)
{
if (lbxItems.SelectedItem == null)
{
return;
}
ILineDecoration lineDecoration = lbxItems.SelectedItem as ILineDecoration;
int index = _decorations.IndexOf(lineDecoration);
_decorations.Remove(lineDecoration);
RefreshList();
if (_decorations.Count == 0)
{
return;
}
if (index >= _decorations.Count)
{
index -= 1;
}
lbxItems.SelectedIndex = index;
OnRemoveClick();
}
private void LbxItemsDrawItem(object sender, DrawItemEventArgs e)
{
Rectangle outer = new Rectangle(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height);
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
e.Graphics.FillRectangle(SystemBrushes.Highlight, outer);
}
else
{
Brush b = new SolidBrush(BackColor);
e.Graphics.FillRectangle(b, outer);
b.Dispose();
}
Rectangle inner = new Rectangle(e.Bounds.X + 5, e.Bounds.Y + 1, e.Bounds.Width - 10, e.Bounds.Height - 3);
e.Graphics.FillRectangle(Brushes.White, inner);
e.Graphics.DrawRectangle(Pens.Black, inner);
int index = (e.Index < 0) ? 0 : e.Index;
if (lbxItems.Items.Count == 0)
{
return;
}
ILineDecoration lineDecoration = lbxItems.Items[index] as ILineDecoration;
if (lineDecoration == null)
{
return;
}
GraphicsPath gp = new GraphicsPath();
gp.AddLine(new Point(e.Bounds.X + 10, e.Bounds.Y + (e.Bounds.Height / 2)), new Point(e.Bounds.Width - 10, e.Bounds.Y + (e.Bounds.Height / 2)));
lineDecoration.Draw(e.Graphics, gp, 1);
gp.Dispose();
}
private void UpdateDecorationControls()
{
_ignoreChanges = true;
ILineDecoration decoration = ccDecorations.SelectedDecoration;
if (decoration != null)
{
chkFlipAll.Checked = decoration.FlipAll;
chkFlipFirst.Checked = decoration.FlipFirst;
if (decoration.RotateWithLine)
{
radRotationWithLine.Checked = true;
}
else
{
radRotationFixed.Checked = true;
}
nudDecorationCount.Value = decoration.NumSymbols;
nudPercentualPosition.Value = decoration.PercentualPosition;
nudPercentualPosition.Visible = decoration.NumSymbols == 1;
lblPercentualPosition.Visible = decoration.NumSymbols == 1;
dblOffset.Value = decoration.Offset;
if (decoration.UseSpacing)
{
radSpacing.Checked = true;
}
else
{
radNumberOfPositions.Checked = true;
}
dbSpacing.Text = decoration.Spacing.ToString();
cmbSpacingUnit.SelectedItem = decoration.SpacingUnit;
}
_ignoreChanges = false;
}
//线 设计
private void colorLine_SelectedColorChanged(object sender, EventArgs e)
{
if (pStyleGalleryItem == null)
{
MessageBox.Show("请选择线样式", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
ILineSymbol pLineSymbol = pStyleGalleryItem.Item as ILineSymbol;
if (pLineSymbol == null)
{
return;
}
pLineSymbol.Color = ClsGDBDataCommon.ColorToIColor(colorLine.SelectedColor);
//新添加，用于更改线修饰颜色
if (pLineSymbol is IMultiLayerLineSymbol)
{
IMultiLayerLineSymbol pMultiLyerLine = pLineSymbol as IMultiLayerLineSymbol;
int nLCount = pMultiLyerLine.LayerCount;
for (int j = 0; j < nLCount; j++)
{
ILineSymbol Psymbol = pMultiLyerLine.get_Layer(j);
ILineProperties pLineProp = Psymbol as ILineProperties;
List <ILineDecorationElement> Linedeclist = new List <ILineDecorationElement>();
if (pLineProp != null)
{
ILineDecoration pLineDec = pLineProp.LineDecoration;
if (pLineDec != null)
{
int ncount = pLineDec.ElementCount;
for (int i = 0; i < ncount; i++)
{
ILineDecorationElement pLineDecEle = pLineDec.get_Element(i);
Linedeclist.Add(pLineDecEle);
}
if (Linedeclist.Count > 0)
{
for (int i = 0; i < ncount; i++)
{
ISimpleLineDecorationElement pSLDecEle = Linedeclist[i] as ISimpleLineDecorationElement;
ISimpleLineDecorationElement pnewele = new SimpleLineDecorationElementClass();
if (pSLDecEle != null)
{
IMarkerSymbol pMSymbol = pSLDecEle.MarkerSymbol;
pMSymbol.Color = ClsGDBDataCommon.ColorToIColor(colorLine.SelectedColor);
pnewele.AddPosition(pSLDecEle.get_Position(i));
pnewele.MarkerSymbol = pMSymbol;
pLineDec.DeleteElement(i);
pLineDec.AddElement(pnewele);
}
}
}
}
}
}
}
PreviewImage();
}
