3rdpartylibs/fastreports.wpf/FastReport.Mono/Design/StandardDesigner.Mono/DesignerForm.cs

using FastReport.Forms;
using FastReport.Utils;
using System;
using System.Windows.Forms;

namespace FastReport.Design.StandardDesigner
{
    /// <summary>
    /// Represents standard designer's form.
    /// </summary>
    /// <remarks>
    /// This form contains the <see cref="DesignerControl"/>. Use the <see cref="Designer"/> 
    /// property to get access to this control.
    /// <para/>Usually you don't need to create an instance of this class. The designer can be called
    /// using the <see cref="FastReport.Report.Design()"/> method of 
    /// the <see cref="FastReport.Report"/> instance.
    /// <para/>If you decided to use this class, you need:
    /// <list type="bullet">
    ///   <item>
    ///     <description>create an instance of this class;</description>
    ///   </item>
    ///   <item>
    ///     <description>set the <b>Designer.Report</b> property to report that you need to design;</description>
    ///   </item>
    ///   <item>
    ///     <description>call either <b>ShowModal</b> or <b>Show</b> methods to display a form.</description>
    ///   </item>
    /// </list>
    /// </remarks>
    public partial class DesignerForm : BaseForm, IDesignerForm
    {
        /// <summary>
        /// Gets a reference to the <see cref="DesignerControl"/> control which is actually a designer.
        /// </summary>
        public Designer Designer { get; }

        private void DesignerForm_Load(object sender, EventArgs e)
        {
            // bug/inconsistent behavior in .Net: if we set WindowState to Maximized, the
            // Load event will be fired *after* the form is shown.
            bool maximized = Storage.RestoreFormState(true);

            Designer.RestoreConfig();
            
            if (maximized)
                WindowState = FormWindowState.Maximized;

            Config.DesignerSettings.OnDesignerLoaded(Designer, EventArgs.Empty);
            Designer.StartAutoSave();
        }

        private void DesignerForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            Designer.ParentFormClosing(e);
            if (!e.Cancel)
            {
                Storage.SaveFormState();
                Designer.SaveConfig();
            }
        }

        private void UpdateUIStyle()
        {
#if (WPF || AVALONIA)
            var ct = UIStyleUtils.GetColorTable(Designer.UIStyle);
            this.window.Resources["Title.Background"] = Helper.GetBrush(ct.WindowTitle.GradientBegin);
            this.window.Resources["Border.Foreground"] = Helper.GetBrush(ct.WindowTitle.BorderColor);
            this.window.Resources["Button.MouseOver.Background"] = Helper.GetBrush(ct.WindowTitle.HighlightButton);
            this.window.Resources["Button.Static.Foreground"] = this.window.Resources["Button.MouseOver.Foreground"] = this.window.Resources["Title.Foreground"] = Helper.GetBrush(ct.WindowTitle.ForeColor);
#endif
        }

        private void DesignerForm_FormClosed(object sender, FormClosedEventArgs e)
        {
            Config.DesignerSettings.OnDesignerClosed(Designer, EventArgs.Empty);
            Designer.StopAutoSave();
        }

        /// <inheritdoc/>
        public override void UpdateDpiDependencies()
        {
            base.UpdateDpiDependencies();
            Designer.UpdateDpiDependencies(this);
        }

        /// <summary>
        /// Creates a new instance of the <see cref="DesignerForm"/> class with default settings.
        /// </summary>
        public DesignerForm(bool fakeArg)
        {
            InitializeComponent();

            RightToLeft = Config.RightToLeft ? RightToLeft.Yes : RightToLeft.No;

            var designer = new DesignerControl();
            Designer = designer;
            designer.Dock = DockStyle.Fill;
            designer.UIStyle = Config.UIStyle;
            Controls.Add(designer);

            Font = DrawUtils.DefaultFont;
            Icon = Config.DesignerSettings.Icon;

#if (WPF || AVALONIA)
            Shown += (s, e) => designer.UpdateFirstDialogPage();

            if (IsCustomWindowChrome)
            {
                (this.window as IForm).ExtendedAppArea = true;
                // to avoid title flicker at startup
                (this.window as IForm).ExtendedAppAreaSize = 10000;
                designer.MainMenu.AutoSize = true;
                var menu = designer.MainMenu.menu;
#if WPF
                menu.Padding = new System.Windows.Thickness(28, 3, 4, 3);
#elif AVALONIA
                menu.Padding = new Avalonia.Thickness(28, 3, 4, 3);
#endif
                menu.LayoutUpdated += (s, e) =>
                {
                    if (menu.IsVisible)
                        (this.window as IForm).ExtendedAppAreaSize = menu.DesiredSize.Width;
                };
            }

            designer.UIStyleChanged += (s, e) =>
            {
                UpdateUIStyle();
            };
#endif
#if Demo && !AVALONIA
            Shown += (s, e) => Throttle.Execute(() => FRMessageBox.Information("Demo version"), 1500);
#endif
            UpdateDpiDependencies();
            UpdateUIStyle();
        }
    }
}