static void RemoveNodeShapes(Canvas nodeCanvas)
{
NodeCanvasData ncDInst = curNodesOnLayout[nodeCanvas];
if (ncDInst.heirsPivot != null)
{
Border borderToDel = (Border)ncDInst.heirsPivot.Parent;
workspaceCanvas.Children.Remove(borderToDel);
borderToDel = null;
}
if (ncDInst.parentPivot != null)
{
workspaceCanvas.Children.Remove(ncDInst.parentPivot);
ncDInst.parentPivot = null;
}
List <Polyline> relations = ncDInst.relations;
if (relations != null && relations.Count > 0)
{
for (int i = 0; i < relations.Count; i++)
{
if (relations[i] != null && relations[i].Points != null)
{
while (relations[i].Points.Count > 0)
{
relations[i].Points.Remove(relations[i].Points.Take(1).ToArray()[0]);
}
}
workspaceCanvas.Children.Remove(relations[i]);
relations[i] = null;
}
}
}
static void DelNodeFromParents(Canvas canvNodeToDel)
{
HashSet <Node> parentNodes = GetCanvasNodeData(canvNodeToDel).node.parents;
if (parentNodes.Count > 0)
{
foreach (Node parent in parentNodes)
{
if (parent.heirs.Count > 0)
{
foreach (Heir heir in parent.heirs)
{
if (heir.heirNode.canvas.Equals(canvNodeToDel))
{
parent.heirs.Remove(heir);
NodeCanvasData parentNCDInst = GetCanvasNodeData(parent.canvas);
parentNCDInst.isCanvasChanged = true;
workspaceCanvas.Children.Remove((Border)parentNCDInst.heirsTextBlocks[heir.heirNode.canvas].Parent);
parentNCDInst.heirsTextBlocks.Remove(heir.heirNode.canvas);
DelNodeFromParents(canvNodeToDel);
return;
}
}
}
}
}
}
//>>>
//calls from MainWindow
public static void ToPositionTheNodeCanvas()
{
CheckNodes();
float x = mouseLastPos.X - nodeCanvOffsVector.X;
float y = mouseLastPos.Y - nodeCanvOffsVector.Y;
NodeCanvasData nCDinst = GetCanvasNodeData(curManipulatingCanvas);
nCDinst.isCanvasChanged = IsNodeCanvasPosChanged(curManipulatingCanvas, new PointF(x, y));
Canvas.SetLeft(curManipCanvBorder, x);
Canvas.SetTop(curManipCanvBorder, y);
foreach (Node parentNode in nCDinst.node.parents)
{
GetCanvasNodeData(parentNode.canvas).isCanvasChanged = true;
}
}
public static Canvas CreateNodeHeir(Node parentNode, string branchText)
{
Node heirNode = parentNode.AddHeir("new heir's branch text", "new heir content");
heirNode.AddParent(parentNode);
Canvas parentCanvas = parentNode.canvas;
Border nodeCanvasBorder = (Border)parentCanvas.Parent;
PointF heirCanvasPos = new PointF((float)Canvas.GetLeft(nodeCanvasBorder), (float)(Canvas.GetTop(nodeCanvasBorder) + parentCanvas.Height + 70));
Canvas heirCanvas = InstantiateNodeCanvas(heirNode, heirCanvasPos);
TextBlock branchTextBlock = InstantiateBranchTextBlock(branchText);
NodeCanvasData parentNCDInst = GetCanvasNodeData(parentCanvas);
parentNCDInst.heirsTextBlocks.Add(heirCanvas, branchTextBlock);
parentNCDInst.isCanvasChanged = true;
return(heirCanvas);
}
private static void nodeCanvas_RightMouseUp(object sender, MouseEventArgs e)
{
Canvas nodeCanvas = (Canvas)sender;
switch (mWInst.workspaceCondition)
{
case MainWindow.WorkspaceConditions.fromParentToHeirRelationPositioniong:
NodeCanvasData parentNCDInst = GetCanvasNodeData(curManipulatingCanvas);
if (!parentNCDInst.heirsTextBlocks.ContainsKey(nodeCanvas))
{
TextBlock branchTextBlock = InstantiateBranchTextBlock("branch text");
parentNCDInst.heirsTextBlocks.Add(nodeCanvas, branchTextBlock);
GetCanvasNodeData(nodeCanvas).node.AddParent(parentNCDInst.node);
parentNCDInst.node.AddHeir("branch text", GetCanvasNodeData(nodeCanvas).node);
mWInst.workspaceCondition = MainWindow.WorkspaceConditions.nothingHappens;
GetCanvasNodeData(curManipulatingCanvas).isCanvasChanged = true;
workspaceCanvas.Children.Remove(curDrawingPoyline);
}
break;
default:
break;
}
}
//создание визуальных элементов узла
static Canvas InstantiateNodeCanvas(Node node, PointF nodeCanvasPos)
{
//the border, that embrace node canvas
Border nodeBorder = new Border()
{
CornerRadius = new CornerRadius(5), BorderThickness = new Thickness(1), BorderBrush = System.Windows.Media.Brushes.Black
};
//canvas, that visually represent corresponding node
Canvas nodeCanvas = new Canvas();
nodeCanvas.MouseLeftButtonDown += new MouseButtonEventHandler(nodeCanvas_LeftMouseDown);
nodeCanvas.MouseLeftButtonUp += new MouseButtonEventHandler(nodeCanvas_LeftMouseUp);
nodeCanvas.MouseEnter += new MouseEventHandler(nodeCanvas_MouseEnter);
nodeCanvas.MouseLeave += new MouseEventHandler(nodeCanvas_MouseLeave);
nodeCanvas.MouseRightButtonUp += new MouseButtonEventHandler(nodeCanvas_RightMouseUp);
nodeCanvas.Width = 200;
nodeCanvas.Height = 100;
nodeCanvas.Margin = new Thickness(1);
nodeCanvas.Background = System.Windows.Media.Brushes.LightGray;
workspaceCanvas.Children.Add(nodeBorder);
Canvas.SetZIndex(nodeBorder, 30000);
nodeBorder.Child = nodeCanvas;
Canvas.SetTop(nodeBorder, nodeCanvasPos.Y);
Canvas.SetLeft(nodeBorder, nodeCanvasPos.X);
//text block, containing the text of the node
TextBlock demoTextBlock = new TextBlock();
demoTextBlock.Text = "The first few lines of the node content";
demoTextBlock.TextWrapping = TextWrapping.Wrap;
nodeCanvas.Children.Add(demoTextBlock);
demoTextBlock.Width = 150;
demoTextBlock.Height = 35;
demoTextBlock.Background = System.Windows.Media.Brushes.White;
demoTextBlock.MouseLeftButtonDown += new MouseButtonEventHandler(nodeTextBlock_LeftMouseDown);
Canvas.SetLeft(demoTextBlock, 5);
Canvas.SetTop(demoTextBlock, 5);
//visual separation block
nodeCanvas.Children.Add(new Line()
{
X1 = 0, Y1 = 50, X2 = 200, Y2 = 50, Stroke = System.Windows.Media.Brushes.Black
});
//defenition of the button, deleting canvas
Button deleteNodeButton = new Button();
deleteNodeButton.Width = 35;
deleteNodeButton.Height = 35;
nodeCanvas.Children.Add(deleteNodeButton);
deleteNodeButton.Click += new RoutedEventHandler(nodeDelButton_Click);
Canvas.SetRight(deleteNodeButton, 5);
Canvas.SetTop(deleteNodeButton, 5);
//del button content
Canvas delButContCanvas = new Canvas();
delButContCanvas.Width = deleteNodeButton.Width * .8f;
delButContCanvas.Height = deleteNodeButton.Height * .8f;
ImageBrush ib = new ImageBrush();
ib.ImageSource = new BitmapImage(new Uri("C:/Users/Nikita/Source/Repos/StoryCreator/StoryCreator/Images/delIcon.png", UriKind.Absolute));
delButContCanvas.Background = ib;
deleteNodeButton.Content = delButContCanvas;
//defenition of the button, adding new node
Button addHeirButton = new Button();
addHeirButton.Width = 35;
addHeirButton.Height = 35;
nodeCanvas.Children.Add(addHeirButton);
addHeirButton.Click += new RoutedEventHandler(nodeAddHeirButton_Click);
Canvas.SetLeft(addHeirButton, 5);
Canvas.SetBottom(addHeirButton, 5);
//add button content
Canvas addHeirButContCanvas = new Canvas();
addHeirButContCanvas.Width = addHeirButton.Width * .8f;
addHeirButContCanvas.Height = addHeirButton.Height * .8f;
ImageBrush ib1 = new ImageBrush();
ib1.ImageSource = new BitmapImage(new Uri("C:/Users/Nikita/Source/Repos/StoryCreator/StoryCreator/Images/addIcon.png", UriKind.Absolute));
addHeirButContCanvas.Background = ib1;
addHeirButton.Content = addHeirButContCanvas;
NodeCanvasData nCDInst = new NodeCanvasData(node);
node.canvas = nodeCanvas;
nCDInst.isCanvasChanged = true;
curNodesOnLayout.Add(nodeCanvas, nCDInst);
Canvas.SetZIndex(nodeCanvas, 30000);
RepaintNodeShapes(nodeCanvas);
return(nodeCanvas);
}
static void RepaintNodeShapes(Canvas nodeCanvas)
{
Border nodeCanvasBorder = (Border)nodeCanvas.Parent;
RemoveNodeShapes(nodeCanvas);
NodeCanvasData ncDInst = GetCanvasNodeData(nodeCanvas);
Node node = ncDInst.node;
Border rectBorder = new Border()
{
CornerRadius = new CornerRadius(2), BorderThickness = new Thickness(1), BorderBrush = System.Windows.Media.Brushes.Black
};
System.Windows.Shapes.Rectangle heirsPivotRect = new System.Windows.Shapes.Rectangle()
{
Stroke = new SolidColorBrush(Colors.Black), Fill = new SolidColorBrush(Colors.IndianRed), Width = 25, Height = 25
};
Canvas.SetLeft(rectBorder, Canvas.GetLeft(nodeCanvasBorder) + .5f * nodeCanvasBorder.ActualWidth - 12.5f);
Canvas.SetTop(rectBorder, Canvas.GetTop(nodeCanvasBorder) + nodeCanvasBorder.ActualHeight);
heirsPivotRect.MouseEnter += new MouseEventHandler(canvasRedRect_MouseEnter);
heirsPivotRect.MouseLeave += new MouseEventHandler(canvasRedRect_MouseLeave);
heirsPivotRect.MouseLeftButtonDown += new MouseButtonEventHandler(canvasRedRect_LeftMouseDown);
heirsPivotRect.MouseRightButtonDown += new MouseButtonEventHandler(canvasRedRect_RightMouseDown);
rectBorder.Child = heirsPivotRect;
workspaceCanvas.Children.Add(rectBorder);
Canvas.SetZIndex(rectBorder, 10000);
ncDInst.heirsPivot = heirsPivotRect;
Ellipse parentPivotEllipse = new Ellipse()
{
Stroke = new SolidColorBrush(Colors.Black), Fill = new SolidColorBrush(Colors.CadetBlue), Width = 25, Height = 25
};
Canvas.SetLeft(parentPivotEllipse, Canvas.GetLeft(nodeCanvasBorder) + .5f * nodeCanvas.Width - 12.5f);
Canvas.SetTop(parentPivotEllipse, Canvas.GetTop(nodeCanvasBorder) - 25);
workspaceCanvas.Children.Add(parentPivotEllipse);
Canvas.SetZIndex(parentPivotEllipse, 20000);
ncDInst.parentPivot = parentPivotEllipse;
if (node.heirs != null && node.heirs.Count > 0)
{
List <Canvas> heirsCanvases = new List <Canvas>();
foreach (Heir heir in node.heirs)
{
heirsCanvases.Add(curNodesOnLayout.Where(el => el.Value.node.Equals(heir.heirNode)).ToArray()[0].Key);
}
for (int i = 0; i < heirsCanvases.Count; i++)
{
Border heirCanvBorder = (Border)heirsCanvases[i].Parent;
Polyline newPLine;
PointF p0, p1, p2, p3;
p1 = new PointF((float)(Canvas.GetLeft(nodeCanvasBorder) + .5f * nodeCanvasBorder.ActualWidth), (float)(Canvas.GetTop(nodeCanvasBorder) + nodeCanvasBorder.ActualHeight + ncDInst.heirsPivot.ActualHeight * .5f));
p2 = new PointF((float)(Canvas.GetLeft(heirCanvBorder) + .5f * (heirCanvBorder).ActualWidth), (float)(Canvas.GetTop(heirCanvBorder) - GetCanvasNodeData(heirsCanvases[i]).parentPivot.ActualHeight * .5f));
if (!nodeCanvasBorder.Equals(heirCanvBorder))
{
p0 = new PointF(p1.X, (float)Canvas.GetTop(nodeCanvasBorder));
p3 = new PointF(p2.X, (float)(Canvas.GetTop(heirCanvBorder) + (heirCanvBorder).ActualHeight));
newPLine = RelationsDrawer.ConstructPolyline(p0, p1, p2, p3);
}
else
{
p0 = new PointF(p1.X, p1.Y - 100f);
p3 = new PointF(p2.X, p2.Y + 100f);
newPLine = RelationsDrawer.ConstructPolyline(p0, p1, p2, p3, true);
}
int midIndex = (int)(newPLine.Points.Count * .5f);
AddArrowsToPolyline(newPLine);
newPLine.MouseEnter += new MouseEventHandler(relation_MouseEnter);
newPLine.MouseLeave += new MouseEventHandler(relation_MouseLeave);
System.Windows.Point textBlockPos = newPLine.Points.ToArray()[midIndex];
Border tmpBorder = (Border)GetBranchTextBlock(nodeCanvas, heirsCanvases[i]).Parent;
Canvas.SetLeft(tmpBorder, textBlockPos.X - tmpBorder.ActualWidth * .5f);
Canvas.SetTop(tmpBorder, textBlockPos.Y);
ncDInst.relations.Add(newPLine);
workspaceCanvas.Children.Add(newPLine);
Canvas.SetZIndex(newPLine, 0);
}
}
}
