Files
OxyPlot/Source/Examples/WindowsForms/ExampleBrowser/MainForm.cs
2023-09-02 09:24:59 +02:00

103 lines
3.4 KiB
C#

// --------------------------------------------------------------------------------------------------------------------
// <copyright file="MainForm.cs" company="OxyPlot">
// Copyright (c) 2014 OxyPlot contributors
// </copyright>
// --------------------------------------------------------------------------------------------------------------------
namespace ExampleBrowser
{
using System;
using System.Drawing;
using System.Windows.Forms;
using ExampleLibrary;
public partial class MainForm : Form
{
readonly MainWindowViewModel vm = new MainWindowViewModel();
public MainForm()
{
this.InitializeComponent();
this.Icon = Icon.ExtractAssociatedIcon(Application.ExecutablePath);
this.InitTree();
}
private void InitTree()
{
#if NETFRAMEWORK
this.FixTreeViewDpi();
#endif
TreeNode node = null;
foreach (var ex in this.vm.Examples)
{
if (node == null || node.Text != ex.Category)
{
node = new TreeNode(ex.Category);
this.treeView1.Nodes.Add(node);
}
var exNode = new TreeNode(ex.Title) { Tag = ex };
node.Nodes.Add(exNode);
if (ex == this.vm.SelectedExample)
{
this.treeView1.SelectedNode = exNode;
}
}
this.treeView1.AfterSelect += this.TreeView1AfterSelect;
}
private void FixTreeViewDpi()
{
using (var g = this.CreateGraphics())
{
// For some reason, legacy treeview does not respond to non-standard dpi up to 144, i.e. 150%
if (g.DpiY <= 96.0 || 144.0 <= g.DpiY)
return;
var scaleFactor = g.DpiY / 96f;
this.treeView1.ItemHeight = (int) (this.treeView1.ItemHeight * scaleFactor);
var font = this.treeView1.Font;
this.treeView1.Font = new Font(font.FontFamily, (int)font.Size * scaleFactor, font.Style);
}
}
void TreeView1AfterSelect(object sender, TreeViewEventArgs e)
{
this.vm.SelectedExample = e.Node.Tag as ExampleInfo;
this.InitPlot();
this.transposedCheck.Enabled = this.vm.SelectedExample?.IsTransposable ?? false;
this.reversedCheck.Enabled = this.vm.SelectedExample?.IsReversible ?? false;
}
private void InitPlot()
{
if (this.vm.SelectedExample == null)
{
this.plot1.Model = null;
this.plot1.Controller = null;
}
else
{
var flags = ExampleInfo.PrepareFlags(
this.transposedCheck.Enabled && this.transposedCheck.Checked,
this.reversedCheck.Enabled && this.reversedCheck.Checked);
this.plot1.Model = this.vm.SelectedExample.GetModel(flags);
this.plot1.Controller = this.vm.SelectedExample.GetController(flags);
}
}
private void transposedCheck_CheckedChanged(object sender, System.EventArgs e)
{
InitPlot();
}
private void reversedCheck_CheckedChanged(object sender, System.EventArgs e)
{
InitPlot();
}
}
}