STNodeEditor/ST.Library.UI/NodeEditor/STNodeEditorPannel.cs at main · DebugST/STNodeEditor · GitHub

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using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Drawing;

using System.Runtime.InteropServices;

using System.ComponentModel;

namespace ST.Library.UI.NodeEditor

{

public class STNodeEditorPannel : Control

{

private bool _LeftLayout = true;

/// <summary>

/// 获取或设置是否是左边布局

/// </summary>

[Description("获取或设置是否是左边布局"), DefaultValue(true)]

public bool LeftLayout {

get { return _LeftLayout; }

set {

if (value == _LeftLayout) return;

_LeftLayout = value;

this.SetLocation();

this.Invalidate();

}

private Color _SplitLineColor = Color.Black;

/// <summary>

/// 获取或这是分割线颜色

/// </summary>

[Description("获取或这是分割线颜色"), DefaultValue(typeof(Color), "Black")]

public Color SplitLineColor {

get { return _SplitLineColor; }

set { _SplitLineColor = value; }

}

private Color _HandleLineColor = Color.Gray;

/// <summary>

/// 获取或设置分割线手柄颜色

/// </summary>

[Description("获取或设置分割线手柄颜色"), DefaultValue(typeof(Color), "Gray")]

public Color HandleLineColor {

get { return _HandleLineColor; }

set { _HandleLineColor = value; }

}

private bool _ShowScale = true;

/// <summary>

/// 获取或设置编辑器缩放时候显示比例

/// </summary>

[Description("获取或设置编辑器缩放时候显示比例"), DefaultValue(true)]

public bool ShowScale {

get { return _ShowScale; }

set { _ShowScale = value; }

}

private bool _ShowConnectionStatus = true;

/// <summary>

/// 获取或设置节点连线时候是否显示状态

/// </summary>

[Description("获取或设置节点连线时候是否显示状态"), DefaultValue(true)]

public bool ShowConnectionStatus {

get { return _ShowConnectionStatus; }

set { _ShowConnectionStatus = value; }

}

private int _X;

/// <summary>

/// 获取或设置分割线水平宽度

/// </summary>

[Description("获取或设置分割线水平宽度"), DefaultValue(201)]

public int X {

get { return _X; }

set {

if (value < 122) value = 122;

else if (value > this.Width - 122) value = this.Width - 122;

if (_X == value) return;

_X = value;

this.SetLocation();

}

private int _Y;

/// <summary>

/// 获取或设置分割线垂直高度

/// </summary>

[Description("获取或设置分割线垂直高度")]

public int Y {

get { return _Y; }

set {

if (value < 122) value = 122;

else if (value > this.Height - 122) value = this.Height - 122;

if (_Y == value) return;

_Y = value;

this.SetLocation();

}

/// <summary>

/// 获取面板中的STNodeEditor

/// </summary>

[Description("获取面板中的STNodeEditor"), Browsable(false)]

public STNodeEditor Editor {

get { return m_editor; }

}

/// <summary>

/// 获取面板中的STNodeTreeView

/// </summary>

[Description("获取面板中的STNodeTreeView"), Browsable(false)]

public STNodeTreeView TreeView {

get { return m_tree; }

}

/// <summary>

/// 获取面板中的STNodePropertyGrid

/// </summary>

[Description("获取面板中的STNodePropertyGrid"), Browsable(false)]

public STNodePropertyGrid PropertyGrid {

get { return m_grid; }

}

private Point m_pt_down;

private bool m_is_mx;

private bool m_is_my;

private Pen m_pen;

private bool m_nInited;

private Dictionary<ConnectionStatus, string> m_dic_status_key = new Dictionary<ConnectionStatus, string>();

private STNodeEditor m_editor;

private STNodeTreeView m_tree;

private STNodePropertyGrid m_grid;

public override Size MinimumSize {

get {

return base.MinimumSize;

}

set {

value = new Size(250, 250);

base.MinimumSize = value;

}

[DllImport("user32.dll")]

private static extern bool MoveWindow(IntPtr hWnd, int x, int y, int w, int h, bool bRedraw);

public STNodeEditorPannel() {

this.SetStyle(ControlStyles.UserPaint, true);

this.SetStyle(ControlStyles.ResizeRedraw, true);

this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);

this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);

this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);

m_editor = new STNodeEditor();

m_tree = new STNodeTreeView();

m_grid = new STNodePropertyGrid();

m_grid.Text = "NodeProperty";

this.Controls.Add(m_editor);

this.Controls.Add(m_tree);

this.Controls.Add(m_grid);

this.Size = new Size(500, 500);

this.MinimumSize = new Size(250, 250);

this.BackColor = Color.FromArgb(255, 34, 34, 34);

m_pen = new Pen(this.BackColor, 3);

Type t = typeof(ConnectionStatus);

var vv = Enum.GetValues(t);

var vvv = vv.GetValue(0);

foreach (var f in t.GetFields()) {

if (!f.FieldType.IsEnum) continue;

foreach (var a in f.GetCustomAttributes(true)) {

if (!(a is DescriptionAttribute)) continue;

m_dic_status_key.Add((ConnectionStatus)f.GetValue(f), ((DescriptionAttribute)a).Description);

}

m_editor.ActiveChanged += (s, e) => m_grid.SetNode(m_editor.ActiveNode);

m_editor.CanvasScaled += (s, e) => {

if (this._ShowScale)

m_editor.ShowAlert(m_editor.CanvasScale.ToString("F2"), Color.White, Color.FromArgb(127, 255, 255, 0));

};

m_editor.OptionConnected += (s, e) => {

if (this._ShowConnectionStatus)

m_editor.ShowAlert(m_dic_status_key[e.Status], Color.White, e.Status == ConnectionStatus.Connected ? Color.FromArgb(125, Color.Lime) : Color.FromArgb(125, Color.Red));

};

}

protected override void OnResize(EventArgs e) {

base.OnResize(e);

if (!m_nInited) {

this._Y = this.Height / 2;

if (this._LeftLayout)

this._X = 201;

else

this._X = this.Width - 202;

m_nInited = true;

this.SetLocation();

return;

}

this.SetLocation();

}

protected override void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified) {

if (width < 250) width = 250;

if (height < 250) height = 250;

base.SetBoundsCore(x, y, width, height, specified);

}

protected override void OnPaint(PaintEventArgs e) {

base.OnPaint(e);

Graphics g = e.Graphics;

m_pen.Width = 3;

m_pen.Color = this._SplitLineColor;

g.DrawLine(m_pen, this._X, 0, this._X, this.Height);

int nX = 0;

if (this._LeftLayout) {

g.DrawLine(m_pen, 0, this._Y, this._X - 1, this._Y);

nX = this._X / 2;

} else {

g.DrawLine(m_pen, this._X + 2, this._Y, this.Width, this._Y);

nX = this._X + (this.Width - this._X) / 2;

}

m_pen.Width = 1;

this._HandleLineColor = Color.Gray;

m_pen.Color = this._HandleLineColor;

g.DrawLine(m_pen, this._X, this._Y - 10, this._X, this._Y + 10);

g.DrawLine(m_pen, nX - 10, this._Y, nX + 10, this._Y);

}

private void SetLocation() {

if (this._LeftLayout) {

//m_tree.Location = Point.Empty;

//m_tree.Size = new Size(m_sx - 1, m_sy - 1);

STNodeEditorPannel.MoveWindow(m_tree.Handle, 0, 0, this._X - 1, this._Y - 1, false);

//m_grid.Location = new Point(0, m_sy + 2);

//m_grid.Size = new Size(m_sx - 1, this.Height - m_sy - 2);

STNodeEditorPannel.MoveWindow(m_grid.Handle, 0, this._Y + 2, this._X - 1, this.Height - this._Y - 2, false);

//m_editor.Location = new Point(m_sx + 2, 0);

//m_editor.Size = new Size(this.Width - m_sx - 2, this.Height);

STNodeEditorPannel.MoveWindow(m_editor.Handle, this._X + 2, 0, this.Width - this._X - 2, this.Height, false);

} else {

STNodeEditorPannel.MoveWindow(m_editor.Handle, 0, 0, this._X - 1, this.Height, false);

STNodeEditorPannel.MoveWindow(m_tree.Handle, this._X + 2, 0, this.Width - this._X - 2, this._Y - 1, false);

STNodeEditorPannel.MoveWindow(m_grid.Handle, this._X + 2, this._Y + 2, this.Width - this._X - 2, this.Height - this._Y - 2, false);

}

protected override void OnMouseDown(MouseEventArgs e) {

base.OnMouseDown(e);

m_pt_down = e.Location;

m_is_mx = m_is_my = false;

if (this.Cursor == Cursors.VSplit) {

m_is_mx = true;

} else if (this.Cursor == Cursors.HSplit) {

m_is_my = true;

}

protected override void OnMouseMove(MouseEventArgs e) {

base.OnMouseMove(e);

if (e.Button == MouseButtons.Left) {

int nw = 122;// (int)(this.Width * 0.1f);

int nh = 122;// (int)(this.Height * 0.1f);

if (m_is_mx) {

this._X = e.X;// -m_pt_down.X;

if (this._X < nw) this._X = nw;

else if (_X + nw > this.Width) this._X = this.Width - nw;

} else if (m_is_my) {

this._Y = e.Y;

if (this._Y < nh) this._Y = nh;

else if (this._Y + nh > this.Height) this._Y = this.Height - nh;

}

//m_rx = this.Width - m_sx;// (float)m_sx / this.Width;

//m_fh = (float)m_sy / this.Height;

this.SetLocation();

this.Invalidate();

return;

}

if (Math.Abs(e.X - this._X) < 2)

this.Cursor = Cursors.VSplit;

else if (Math.Abs(e.Y - this._Y) < 2)

this.Cursor = Cursors.HSplit;

else this.Cursor = Cursors.Arrow;

}

protected override void OnMouseLeave(EventArgs e) {

base.OnMouseLeave(e);

m_is_mx = m_is_my = false;

this.Cursor = Cursors.Arrow;

}

/// <summary>

/// 向树控件中添加一个STNode

/// </summary>

/// <param name="stNodeType">STNode类型</param>

/// <returns>是否添加成功</returns>

public bool AddSTNode(Type stNodeType) {

return m_tree.AddNode(stNodeType);

}

/// <summary>

/// 从程序集中加载STNode

/// </summary>

/// <param name="strFileName">程序集路径</param>

/// <returns>添加成功个数</returns>

public int LoadAssembly(string strFileName) {

m_editor.LoadAssembly(strFileName);

return m_tree.LoadAssembly(strFileName);

}

/// <summary>

/// 设置编辑器显示连接状态的文本

/// </summary>

/// <param name="status">连接状态</param>

/// <param name="strText">对应显示文本</param>

/// <returns>旧文本</returns>

public string SetConnectionStatusText(ConnectionStatus status, string strText) {

string strOld = null;

if (m_dic_status_key.ContainsKey(status)) {

strOld = m_dic_status_key[status];

m_dic_status_key[status] = strText;

return strOld;

}

m_dic_status_key.Add(status, strText);

return strText;

}

STNodeEditor/ST.Library.UI/NodeEditor/STNodeEditorPannel.cs at main · DebugST/STNodeEditor · GitHub

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