void EditorMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
DragDropEffects allowedEffects = DragDropEffects.Move;
GridLengthEditor editor = sender as GridLengthEditor;
DragDrop.DoDragDrop(editor, editor, allowedEffects);
}
void EditorDragOver(object sender, DragEventArgs e)
{
try {
GridLengthEditor target = sender as GridLengthEditor;
GridLengthEditor source = e.Data.GetData(typeof(GridLengthEditor)) as GridLengthEditor;
e.Handled = true;
if (marker != null)
{
AdornerLayer.GetAdornerLayer(marker.AdornedElement).Remove(marker);
marker = null;
}
if (target != null && source != null && source.Orientation == target.Orientation &&
(target != source && (target.Cell < source.Cell || target.Cell > source.Cell + 1)))
{
marker = DragDropMarkerAdorner.CreateAdornerCellMove(target);
e.Effects = DragDropEffects.Move;
return;
}
e.Effects = DragDropEffects.None;
} catch (Exception ex) {
Core.LoggingService.Error(ex);
}
}
void ButtonPanelDragOver(object sender, DragEventArgs e)
{
try {
StackPanel target = sender as StackPanel;
GridLengthEditor source = e.Data.GetData(typeof(GridLengthEditor)) as GridLengthEditor;
e.Handled = true;
if (marker != null)
{
AdornerLayer.GetAdornerLayer(marker.AdornedElement).Remove(marker);
marker = null;
}
if (target != null && source != null && source.Orientation == Orientation.Vertical && source.Cell + 1 < rowDefitions.Elements().Count())
{
marker = DragDropMarkerAdorner.CreateAdornerCellMove(target);
e.Effects = DragDropEffects.Move;
return;
}
e.Effects = DragDropEffects.None;
} catch (Exception ex) {
Core.LoggingService.Error(ex);
}
}
void DropPanelDrop(object sender, DragEventArgs e)
{
try {
GridLengthEditor source = e.Data.GetData(typeof(GridLengthEditor)) as GridLengthEditor;
if (source != null)
{
MoveRight(source.Cell, Math.Abs(source.Cell - colDefitions.Elements().Count()) - 1);
}
} catch (Exception ex) {
Core.LoggingService.Error(ex);
}
}
public static DragDropMarkerAdorner CreateAdornerCellMove(FrameworkElement element)
{
DragDropMarkerAdorner adorner = new DragDropMarkerAdorner(element);
if (element is GridLengthEditor)
{
GridLengthEditor editor = element as GridLengthEditor;
if (editor.Orientation == Orientation.Horizontal)
{
adorner.start = new Point(5, 5);
adorner.end = new Point(5, editor.ActualWidth + 50);
}
else
{
adorner.start = new Point(5, 5);
adorner.end = new Point(editor.ActualHeight + 250, 5);
}
}
else if (element is StackPanel)
{
StackPanel panel = element as StackPanel;
Dock dockState = (Dock)panel.GetValue(DockPanel.DockProperty);
if (dockState == Dock.Right)
{
adorner.start = new Point(5, 5);
adorner.end = new Point(5, panel.ActualHeight);
}
else if (dockState == Dock.Bottom)
{
adorner.start = new Point(5, 5);
adorner.end = new Point(panel.ActualWidth - 10, 5);
}
}
AdornerLayer.GetAdornerLayer(element).Add(adorner);
return(adorner);
}
void EditorDrop(object sender, DragEventArgs e)
{
try {
GridLengthEditor source = e.Data.GetData(typeof(GridLengthEditor)) as GridLengthEditor;
GridLengthEditor target = sender as GridLengthEditor;
if (source != null && target != null)
{
if (source.Orientation == Orientation.Horizontal)
{
if (source.Cell > target.Cell)
{
MoveLeft(source.Cell, Math.Abs(source.Cell - target.Cell));
}
else
{
MoveRight(source.Cell, Math.Abs(source.Cell - target.Cell) - 1);
}
}
if (source.Orientation == Orientation.Vertical)
{
if (source.Cell > target.Cell)
{
MoveUp(source.Cell, Math.Abs(source.Cell - target.Cell));
}
else
{
MoveDown(source.Cell, Math.Abs(source.Cell - target.Cell) - 1);
}
}
}
} catch (Exception ex) {
Core.LoggingService.Error(ex);
}
}
void RebuildGrid()
{
if (this.marker != null) {
AdornerLayer.GetAdornerLayer(this.buttonPanel).Remove(this.marker);
AdornerLayer.GetAdornerLayer(this.dropPanel).Remove(this.marker);
this.marker = null;
}
this.gridDisplay.Children.Clear();
this.gridDisplay.RowDefinitions.Clear();
this.gridDisplay.ColumnDefinitions.Clear();
this.columnWidthGrid.ColumnDefinitions.Clear();
this.columnWidthGrid.Children.Clear();
this.rowHeightGrid.RowDefinitions.Clear();
this.rowHeightGrid.Children.Clear();
int rows = rowDefitions.Elements().Count();
int cols = colDefitions.Elements().Count();
if (rows == 0) {
rowDefitions.Add(new XElement(rowDefName).AddAttribute("Height", "*"));
rows = 1;
}
if (cols == 0) {
colDefitions.Add(new XElement(colDefName).AddAttribute("Width", "*"));
cols = 1;
}
for (int i = 0; i < cols; i++) {
this.gridDisplay.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1, GridUnitType.Star) });
this.columnWidthGrid.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1, GridUnitType.Star) });
GridLengthEditor editor = new GridLengthEditor(Orientation.Horizontal, i, (colDefitions.Elements().ElementAt(i).Attribute("Width") ?? new XAttribute("Width", "")).Value);
editor.SelectedValueChanged += new EventHandler<GridLengthSelectionChangedEventArgs>(EditorSelectedValueChanged);
editor.Deleted += new EventHandler<GridLengthSelectionChangedEventArgs>(EditorDeleted);
editor.MouseLeftButtonDown += new MouseButtonEventHandler(EditorMouseLeftButtonDown);
editor.Drop += new DragEventHandler(EditorDrop);
editor.DragOver += new DragEventHandler(EditorDragOver);
editor.AllowDrop = true;
this.columnWidthGrid.Children.Add(editor);
Button leftAddButton = new Button() {
Content = "+",
HorizontalAlignment = HorizontalAlignment.Left,
Margin = new Thickness(-10, 10, 5,10),
Padding = new Thickness(3),
Tag = i
};
leftAddButton.Click += BtnAddColumnClick;
leftAddButton.SetValue(Grid.ColumnProperty, i);
this.columnWidthGrid.Children.Add(leftAddButton);
if (cols == i + 1) {
Button rightAddButton = new Button() {
Content = "+",
HorizontalAlignment = HorizontalAlignment.Right,
Margin = new Thickness(5, 10, 0, 10),
Padding = new Thickness(3)
};
rightAddButton.Click += BtnAddColumnClick;
rightAddButton.SetValue(Grid.ColumnProperty, i);
this.columnWidthGrid.Children.Add(rightAddButton);
}
}
for (int i = 0; i < rows; i++) {
this.gridDisplay.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
this.rowHeightGrid.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
GridLengthEditor editor = new GridLengthEditor(Orientation.Vertical, i, (rowDefitions.Elements().ElementAt(i).Attribute("Height") ?? new XAttribute("Height", "")).Value);
editor.SelectedValueChanged += new EventHandler<GridLengthSelectionChangedEventArgs>(EditorSelectedValueChanged);
editor.Deleted += new EventHandler<GridLengthSelectionChangedEventArgs>(EditorDeleted);
editor.MouseLeftButtonDown += new MouseButtonEventHandler(EditorMouseLeftButtonDown);
editor.Drop += new DragEventHandler(EditorDrop);
editor.DragOver += new DragEventHandler(EditorDragOver);
editor.AllowDrop = true;
this.rowHeightGrid.Children.Add(editor);
Button topAddButton = new Button() {
Content = "+",
VerticalAlignment = VerticalAlignment.Top,
Margin = new Thickness(10, -10, 10, 5),
Padding = new Thickness(3),
Tag = i
};
topAddButton.Click += BtnAddRowClick;
topAddButton.SetValue(Grid.RowProperty, i);
this.rowHeightGrid.Children.Add(topAddButton);
if (rows == i + 1) {
Button bottomAddButton = new Button() {
Content = "+",
VerticalAlignment = VerticalAlignment.Bottom,
Margin = new Thickness(10, 5, 10, 0),
Padding = new Thickness(3)
};
bottomAddButton.Click += BtnAddRowClick;
bottomAddButton.SetValue(Grid.RowProperty, i);
this.rowHeightGrid.Children.Add(bottomAddButton);
}
for (int j = 0; j < cols; j++) {
StackPanel displayRect = new StackPanel() {
Margin = new Thickness(5),
Background = Brushes.LightGray,
Orientation = Orientation.Vertical
};
displayRect.AllowDrop = true;
displayRect.Drop += new DragEventHandler(DisplayRectDrop);
displayRect.DragOver += new DragEventHandler(DisplayRectDragOver);
displayRect.Children.AddRange(BuildItemsForCell(i, j));
displayRect.SetValue(Grid.RowProperty, i);
displayRect.SetValue(Grid.ColumnProperty, j);
displayRect.ContextMenuOpening += new ContextMenuEventHandler(DisplayRectContextMenuOpening);
this.gridDisplay.Children.Add(displayRect);
}
}
this.InvalidateVisual();
}
void RebuildGrid()
{
if (this.marker != null)
{
AdornerLayer.GetAdornerLayer(this.buttonPanel).Remove(this.marker);
AdornerLayer.GetAdornerLayer(this.dropPanel).Remove(this.marker);
this.marker = null;
}
this.gridDisplay.Children.Clear();
this.gridDisplay.RowDefinitions.Clear();
this.gridDisplay.ColumnDefinitions.Clear();
this.columnWidthGrid.ColumnDefinitions.Clear();
this.columnWidthGrid.Children.Clear();
this.rowHeightGrid.RowDefinitions.Clear();
this.rowHeightGrid.Children.Clear();
int rows = rowDefitions.Elements().Count();
int cols = colDefitions.Elements().Count();
if (rows == 0)
{
rowDefitions.Add(new XElement(rowDefName).AddAttribute("Height", "*"));
rows = 1;
}
if (cols == 0)
{
colDefitions.Add(new XElement(colDefName).AddAttribute("Width", "*"));
cols = 1;
}
for (int i = 0; i < cols; i++)
{
this.gridDisplay.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Star)
});
this.columnWidthGrid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Star)
});
GridLengthEditor editor = new GridLengthEditor(Orientation.Horizontal, i, (colDefitions.Elements().ElementAt(i).Attribute("Width") ?? new XAttribute("Width", "")).Value);
editor.SelectedValueChanged += new EventHandler <GridLengthSelectionChangedEventArgs>(EditorSelectedValueChanged);
editor.Deleted += new EventHandler <GridLengthSelectionChangedEventArgs>(EditorDeleted);
editor.MouseLeftButtonDown += new MouseButtonEventHandler(EditorMouseLeftButtonDown);
editor.Drop += new DragEventHandler(EditorDrop);
editor.DragOver += new DragEventHandler(EditorDragOver);
editor.AllowDrop = true;
this.columnWidthGrid.Children.Add(editor);
Button leftAddButton = new Button()
{
Content = "+",
HorizontalAlignment = HorizontalAlignment.Left,
Margin = new Thickness(-10, 10, 5, 10),
Padding = new Thickness(3),
Tag = i
};
leftAddButton.Click += BtnAddColumnClick;
leftAddButton.SetValue(Grid.ColumnProperty, i);
this.columnWidthGrid.Children.Add(leftAddButton);
if (cols == i + 1)
{
Button rightAddButton = new Button()
{
Content = "+",
HorizontalAlignment = HorizontalAlignment.Right,
Margin = new Thickness(5, 10, 0, 10),
Padding = new Thickness(3)
};
rightAddButton.Click += BtnAddColumnClick;
rightAddButton.SetValue(Grid.ColumnProperty, i);
this.columnWidthGrid.Children.Add(rightAddButton);
}
}
for (int i = 0; i < rows; i++)
{
this.gridDisplay.RowDefinitions.Add(new RowDefinition()
{
Height = new GridLength(1, GridUnitType.Star)
});
this.rowHeightGrid.RowDefinitions.Add(new RowDefinition()
{
Height = new GridLength(1, GridUnitType.Star)
});
GridLengthEditor editor = new GridLengthEditor(Orientation.Vertical, i, (rowDefitions.Elements().ElementAt(i).Attribute("Height") ?? new XAttribute("Height", "")).Value);
editor.SelectedValueChanged += new EventHandler <GridLengthSelectionChangedEventArgs>(EditorSelectedValueChanged);
editor.Deleted += new EventHandler <GridLengthSelectionChangedEventArgs>(EditorDeleted);
editor.MouseLeftButtonDown += new MouseButtonEventHandler(EditorMouseLeftButtonDown);
editor.Drop += new DragEventHandler(EditorDrop);
editor.DragOver += new DragEventHandler(EditorDragOver);
editor.AllowDrop = true;
this.rowHeightGrid.Children.Add(editor);
Button topAddButton = new Button()
{
Content = "+",
VerticalAlignment = VerticalAlignment.Top,
Margin = new Thickness(10, -10, 10, 5),
Padding = new Thickness(3),
Tag = i
};
topAddButton.Click += BtnAddRowClick;
topAddButton.SetValue(Grid.RowProperty, i);
this.rowHeightGrid.Children.Add(topAddButton);
if (rows == i + 1)
{
Button bottomAddButton = new Button()
{
Content = "+",
VerticalAlignment = VerticalAlignment.Bottom,
Margin = new Thickness(10, 5, 10, 0),
Padding = new Thickness(3)
};
bottomAddButton.Click += BtnAddRowClick;
bottomAddButton.SetValue(Grid.RowProperty, i);
this.rowHeightGrid.Children.Add(bottomAddButton);
}
for (int j = 0; j < cols; j++)
{
StackPanel displayRect = new StackPanel()
{
Margin = new Thickness(5),
Background = Brushes.LightGray,
Orientation = Orientation.Vertical
};
displayRect.AllowDrop = true;
displayRect.Drop += new DragEventHandler(DisplayRectDrop);
displayRect.DragOver += new DragEventHandler(DisplayRectDragOver);
displayRect.Children.AddRange(BuildItemsForCell(i, j));
displayRect.SetValue(Grid.RowProperty, i);
displayRect.SetValue(Grid.ColumnProperty, j);
displayRect.ContextMenuOpening += new ContextMenuEventHandler(DisplayRectContextMenuOpening);
this.gridDisplay.Children.Add(displayRect);
}
}
this.InvalidateVisual();
}