public void StartEdit(BaseElement el, TextBox textBox)
{
if (!(el is ILabelElement)) return;
if (((ILabelElement) el).Label.ReadOnly) return;
this.siteLabelElement = el;
this.labelElement = ((ILabelElement) siteLabelElement).Label;
this.labelTextBox = textBox;
if (siteLabelElement is BaseLinkElement)
this.direction = LabelEditDirection.Both;
else
this.direction = LabelEditDirection.UpDown;
EditLabelAction.SetTextBoxLocation(siteLabelElement, labelTextBox);
labelTextBox.AutoSize = true;
labelTextBox.Show();
labelTextBox.Text = labelElement.Text;
labelTextBox.Font = labelElement.Font;
labelTextBox.WordWrap = labelElement.Wrap;
labelElement.Invalidate();
switch(labelElement.Alignment)
{
case StringAlignment.Near:
labelTextBox.TextAlign = HorizontalAlignment.Left;
break;
case StringAlignment.Center:
labelTextBox.TextAlign = HorizontalAlignment.Center;
break;
case StringAlignment.Far:
labelTextBox.TextAlign = HorizontalAlignment.Right;
break;
}
labelTextBox.KeyPress += new KeyPressEventHandler(labelTextBox_KeyPress);
labelTextBox.Focus();
center.X = textBox.Location.X + (textBox.Size.Width / 2);
center.Y = textBox.Location.Y + (textBox.Size.Height / 2);
}
private void UpdateLinkPosition(NodeElement node)
{
foreach (ConnectorElement conn in node.Connectors)
{
foreach (BaseElement el in conn.Links)
{
BaseLinkElement lnk = (BaseLinkElement)el;
IController ctrl = ((IControllable)lnk).GetController();
if (ctrl is IMoveController)
{
IMoveController mctrl = (IMoveController)ctrl;
if (!mctrl.IsMoving)
{
lnk.NeedCalcLink = true;
}
}
else
{
lnk.NeedCalcLink = true;
}
if (lnk is ILabelElement)
{
LabelElement label = ((ILabelElement)lnk).Label;
ILabelController lblCtrl = ControllerHelper.GetLabelController(lnk);
if (lblCtrl != null)
{
lblCtrl.SetLabelPosition();
}
else
{
label.PositionBySite(lnk);
}
label.Invalidate();
}
}
}
}
public static void SetTextBoxLocation(BaseElement el, TextBox tb)
{
if (!(el is ILabelElement))
{
return;
}
LabelElement lab = ((ILabelElement)el).Label;
el.Invalidate();
lab.Invalidate();
if (lab.Text.Length > 0)
{
tb.Location = lab.Location;
tb.Size = lab.Size;
}
else
{
string tmpText = "XXXXXXX";
Size sizeTmp = DiagramUtil.MeasureString(tmpText, lab.Font, lab.Size.Width, lab.Format);
if (el is BaseLinkElement)
{
tb.Size = sizeTmp;
tb.Location = new Point(el.Location.X + (el.Size.Width / 2) - (sizeTmp.Width / 2),
el.Location.Y + (el.Size.Height / 2) - (sizeTmp.Height / 2));
}
else
{
sizeTmp.Width = el.Size.Width;
tb.Size = sizeTmp;
tb.Location = new Point(el.Location.X,
el.Location.Y + (el.Size.Height / 2) - (sizeTmp.Height / 2));
}
}
SetTextBoxBorder(tb);
}
protected override void OnMouseDown(MouseEventArgs e)
{
Point mousePoint;
//ShowSelectionCorner((document.Action==DesignerAction.Select));
switch (document.Action)
{
// SELECT
case DesignerAction.Connect:
case DesignerAction.Select:
if (e.Button == MouseButtons.Left)
{
mousePoint = Gsc2Goc(new Point(e.X, e.Y));
//Verify resize action
StartResizeElement(mousePoint);
if ((resizeAction != null) && (resizeAction.IsResizing))
{
break;
}
//Verify label editing
if (isEditLabel)
{
EndEditLabel();
}
// Search element by click
selectedElement = document.FindElement(mousePoint);
mousePoint = AlignToGrid(mousePoint);
if (selectedElement != null)
{
//Events
ElementMouseEventArgs eventMouseDownArg = new ElementMouseEventArgs(selectedElement, e.X, e.Y);
OnElementMouseDown(eventMouseDownArg);
// Double-click to edit Label
if ((e.Clicks == 2) && (selectedElement is ILabelElement))
{
selectedLabel = ((ILabelElement)selectedElement).Label;
StartEditLabel();
break;
}
// Element selected
if (selectedElement is ConnectorElement)
{
StartAddLink((ConnectorElement)selectedElement, mousePoint);
selectedElement = null;
}
else
{
StartSelectElements(selectedElement, mousePoint);
}
}
else
{
// If click is on neutral area, clear selection
document.ClearSelection();
Point p = Gsc2Goc(new Point(e.X, e.Y));;
isMultiSelection = true;
selectionArea.Visible = true;
selectionArea.Location = p;
selectionArea.Size = new Size(0, 0);
if (resizeAction != null)
{
resizeAction.ShowResizeCorner(false);
}
}
base.Invalidate();
}
break;
// ADD
case DesignerAction.Add:
if (e.Button == MouseButtons.Left)
{
mousePoint = Gsc2Goc(new Point(e.X, e.Y));
mousePoint = AlignToGrid(mousePoint);
StartAddElement(mousePoint);
}
break;
// DELETE
case DesignerAction.Delete:
if (e.Button == MouseButtons.Left)
{
mousePoint = Gsc2Goc(new Point(e.X, e.Y));
DeleteElement(mousePoint);
}
break;
}
base.OnMouseDown(e);
}
public void EndEdit()
{
if (siteLabelElement == null) return;
labelTextBox.KeyPress -= new KeyPressEventHandler(labelTextBox_KeyPress);
ILabelController lblCtrl = ControllerHelper.GetLabelController(siteLabelElement);
labelElement.Size = MeasureTextSize();
labelElement.Text = labelTextBox.Text;
labelTextBox.Hide();
if (lblCtrl != null)
{
lblCtrl.SetLabelPosition();
}
else
{
labelElement.PositionBySite(siteLabelElement);
}
labelElement.Invalidate();
siteLabelElement = null;
labelElement = null;
labelTextBox= null;
}
protected override void OnMouseDown(MouseEventArgs e)
{
Point mousePoint;
//ShowSelectionCorner((document.Action==DesignerAction.Select));
switch (document.Action)
{
// SELECT
case DesignerAction.Connect:
case DesignerAction.Select:
if (e.Button == MouseButtons.Left)
{
mousePoint = Gsc2Goc(new Point(e.X, e.Y));
//Verify resize action
StartResizeElement(mousePoint);
if ((resizeAction != null) && (resizeAction.IsResizing)) break;
//Verify label editing
if (isEditLabel)
{
EndEditLabel();
}
// Search element by click
selectedElement = document.FindElement(mousePoint);
if (selectedElement != null)
{
//Events
ElementMouseEventArgs eventMouseDownArg = new ElementMouseEventArgs(selectedElement, e.X, e.Y);
OnElementMouseDown(eventMouseDownArg);
// Double-click to edit Label
if ((e.Clicks == 2) && (selectedElement is ILabelElement))
{
selectedLabel = ((ILabelElement) selectedElement).Label;
StartEditLabel();
break;
}
// Element selected
if (selectedElement is ConnectorElement)
{
StartAddLink((ConnectorElement) selectedElement, mousePoint);
selectedElement = null;
}
else
StartSelectElements(selectedElement, mousePoint);
}
else
{
// If click is on neutral area, clear selection
document.ClearSelection();
Point p = Gsc2Goc(new Point(e.X, e.Y));;
isMultiSelection = true;
selectionArea.Visible = true;
selectionArea.Location = p;
selectionArea.Size = new Size(0, 0);
if (resizeAction != null)
resizeAction.ShowResizeCorner(false);
}
base.Invalidate();
}
break;
// ADD
case DesignerAction.Add:
if (e.Button == MouseButtons.Left)
{
mousePoint = Gsc2Goc(new Point(e.X, e.Y));
StartAddElement(mousePoint);
}
break;
// DELETE
case DesignerAction.Delete:
if (e.Button == MouseButtons.Left)
{
mousePoint = Gsc2Goc(new Point(e.X, e.Y));
DeleteElement(mousePoint);
}
break;
}
base.OnMouseDown (e);
}
public void Start(Point mousePoint, Document document, OnElementMovingDelegate onElementMovingDelegate)
{
this.document = document;
this.onElementMovingDelegate = onElementMovingDelegate;
// Get Controllers
moveCtrl = new IMoveController[document.SelectedElements.Count];
IMoveController[] moveLabelCtrl = new IMoveController[document.SelectedElements.Count];
for (int i = document.SelectedElements.Count - 1; i >= 0; i--)
{
moveCtrl[i] = ControllerHelper.GetMoveController(document.SelectedElements[i]);
if ((moveCtrl[i] != null) && (moveCtrl[i].CanMove))
{
onElementMovingDelegate(new ElementEventArgs(document.SelectedElements[i]));
moveCtrl[i].Start(mousePoint);
//ILabelElement - Move Label inside the element
if ((document.SelectedElements[i] is ILabelElement) &&
(ControllerHelper.GetLabelController(document.SelectedElements[i]) == null))
{
LabelElement label = ((ILabelElement)document.SelectedElements[i]).Label;
moveLabelCtrl[i] = ControllerHelper.GetMoveController(label);
if ((moveLabelCtrl[i] != null) && (moveLabelCtrl[i].CanMove))
{
moveLabelCtrl[i].Start(mousePoint);
}
else
{
moveLabelCtrl[i] = null;
}
}
}
else
{
moveCtrl[i] = null;
}
}
moveCtrl = (IMoveController[])DiagramUtil.ArrayHelper.Append(moveCtrl, moveLabelCtrl);
moveCtrl = (IMoveController[])DiagramUtil.ArrayHelper.Shrink(moveCtrl, null);
// Can't move only links
bool isOnlyLink = true;
foreach (IMoveController ctrl in moveCtrl)
{
// Verify
if (ctrl != null)
{
ctrl.OwnerElement.Invalidate();
if (!(ctrl.OwnerElement is BaseLinkElement) && !(ctrl.OwnerElement is LabelElement))
{
isOnlyLink = false;
break;
}
}
}
if (isOnlyLink)
{
//End Move the Links
foreach (IMoveController ctrl in moveCtrl)
{
if (ctrl != null)
{
ctrl.End();
}
}
moveCtrl = new IMoveController[] { null };
}
//Upper selecion point controller
UpdateUpperSelectionPoint();
upperSelPointDragOffset.X = upperSelPoint.X - mousePoint.X;
upperSelPointDragOffset.Y = upperSelPoint.Y - mousePoint.Y;
isMoving = true;
}