AirScout/AeroWizard/AeroWizard/WizardPageContainerDesigner.cs

383 wiersze
10 KiB
C#

using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
using System.Drawing.Design;
using System.Windows.Forms;
using System.Windows.Forms.Design;
using System.Windows.Forms.Design.Behavior;
namespace AeroWizard.Design
{
[System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name = "FullTrust")]
[EditorBrowsable(EditorBrowsableState.Never)]
internal class WizardBaseDesigner : RichParentControlDesigner<WizardPageContainer, WizardBaseDesigner.ActionList>, IToolboxUser
{
private static readonly string[] propsToRemove = new string[] { "AutoScrollOffset", "AutoSize", "BackColor",
"BackgroundImage", "BackgroundImageLayout", "ContextMenuStrip", "Cursor", "Enabled", "Font",
"ForeColor", /*"Location",*/ "MaximumSize", "MinimumSize", "Padding", /*"Size",*/ "TabStop",
"Text", "UseWaitCursor" };
private bool forwardOnDrag;
public override System.Collections.ICollection AssociatedComponents => Control.Pages;
public override SelectionRules SelectionRules => SelectionRules.Visible | SelectionRules.AllSizeable | SelectionRules.Moveable;
protected IDesignerHost DesignerHost => GetService<IDesignerHost>();
protected override bool EnableDragRect => true;
protected override System.Collections.Generic.IEnumerable<string> PropertiesToRemove => propsToRemove;
public override bool CanBeParentedTo(IDesigner parentDesigner) => parentDesigner?.Component is Control;
public override bool CanParent(Control control) => control is WizardPage && !Control.Contains(control);
public override void Initialize(IComponent component)
{
base.Initialize(component);
AutoResizeHandles = true;
//base.Glyphs.Add(new WizardPageContainerDesignerGlyph(this));
if (Control == null) return;
Control.SelectedPageChanged += WizardPageContainer_SelectedPageChanged;
//this.Control.GotFocus += WizardPageContainer_OnGotFocus;
Control.ControlAdded += WizardPageContainer_OnControlAdded;
}
public override void InitializeNewComponent(System.Collections.IDictionary defaultValues)
{
base.InitializeNewComponent(defaultValues);
Control.Text = Properties.Resources.WizardTitle;
}
internal void InsertPageIntoWizard(bool add)
{
var h = DesignerHost;
var c = ComponentChangeService;
var wiz = Control;
if (h == null || c == null)
throw new ArgumentException("Both IDesignerHost and IComponentChangeService arguments cannot be null.");
DesignerTransaction dt = null;
try
{
dt = h.CreateTransaction("Insert Wizard Page");
var page = (WizardPage)h.CreateComponent(typeof(WizardPage));
MemberDescriptor member = TypeDescriptor.GetProperties(wiz)["Pages"];
RaiseComponentChanging(member);
//Add a new page to the collection
if (wiz.Pages.Count == 0 || add)
wiz.Pages.Add(page);
else
wiz.Pages.Insert(wiz.SelectedPageIndex, page);
RaiseComponentChanged(member, null, null);
}
finally
{
dt?.Commit();
}
RefreshDesigner();
}
bool IToolboxUser.GetToolSupported(ToolboxItem tool)
{
if (tool.TypeName == typeof(WizardPage).FullName)
return false;
return Control?.SelectedPage != null;
}
void IToolboxUser.ToolPicked(ToolboxItem tool)
{
if (tool.TypeName == typeof(WizardPage).FullName)
InsertPageIntoWizard(true);
if (Control?.SelectedPage != null)
AddControlToActivePage(tool.TypeName);
}
internal void RefreshDesigner()
{
var das = GetService<DesignerActionUIService>();
das?.Refresh(Control);
}
internal void RemovePageFromWizard(WizardPage page)
{
var h = DesignerHost;
var c = ComponentChangeService;
if (h == null || c == null)
throw new ArgumentException("Both IDesignerHost and IComponentChangeService arguments cannot be null.");
if (Control == null || !Control.Pages.Contains(page))
return;
DesignerTransaction dt = null;
try
{
dt = h.CreateTransaction("Remove Wizard Page");
MemberDescriptor member = TypeDescriptor.GetProperties(Control)["Pages"];
RaiseComponentChanging(member);
if (page.Owner != null)
{
page.Owner.Pages.Remove(page);
h.DestroyComponent(page);
}
else
{
page.Dispose();
}
RaiseComponentChanged(member, null, null);
}
finally
{
dt?.Commit();
}
RefreshDesigner();
}
protected override IComponent[] CreateToolCore(ToolboxItem tool, int x, int y, int width, int height, bool hasLocation, bool hasSize)
{
var pageDes = GetSelectedWizardPageDesigner();
if (pageDes != null)
InvokeCreateTool(pageDes, tool);
return null;
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (Control != null)
{
Control.SelectedPageChanged -= WizardPageContainer_SelectedPageChanged;
//this.Control.GotFocus -= WizardPageContainer_OnGotFocus;
Control.ControlAdded -= WizardPageContainer_OnControlAdded;
}
}
base.Dispose(disposing);
}
protected override void OnComponentChanged(object sender, ComponentChangedEventArgs e)
{
CheckStatus();
}
protected override void OnDragDrop(DragEventArgs de)
{
if (forwardOnDrag)
{
var wizPageDesigner = GetSelectedWizardPageDesigner();
wizPageDesigner?.OnDragDropInternal(de);
}
else
{
base.OnDragDrop(de);
}
forwardOnDrag = false;
}
protected override void OnDragEnter(DragEventArgs de)
{
forwardOnDrag = true;
var wizPageDesigner = GetSelectedWizardPageDesigner();
wizPageDesigner?.OnDragEnterInternal(de);
}
protected override void OnDragLeave(EventArgs e)
{
if (forwardOnDrag)
{
var wizPageDesigner = GetSelectedWizardPageDesigner();
wizPageDesigner?.OnDragLeaveInternal(e);
}
else
{
base.OnDragLeave(e);
}
forwardOnDrag = false;
}
protected override void OnDragOver(DragEventArgs de)
{
if (forwardOnDrag)
{
var control = Control;
var pt = control.PointToClient(new Point(de.X, de.Y));
if (!control.DisplayRectangle.Contains(pt))
{
de.Effect = DragDropEffects.None;
}
else
{
var wizPageDesigner = GetSelectedWizardPageDesigner();
wizPageDesigner?.OnDragOverInternal(de);
}
}
else
{
base.OnDragOver(de);
}
}
protected override void OnGiveFeedback(GiveFeedbackEventArgs e)
{
if (forwardOnDrag)
{
var wizPageDesigner = GetSelectedWizardPageDesigner();
wizPageDesigner?.OnGiveFeedbackInternal(e);
}
else
{
base.OnGiveFeedback(e);
}
}
protected override void OnSelectionChanged(object sender, EventArgs e)
{
if (!(SelectionService.PrimarySelection is WizardPageContainer))
{
var p = SelectionService.PrimarySelection as WizardPage;
if (p == null && SelectionService.PrimarySelection is Control)
p = ((Control)SelectionService.PrimarySelection).GetParent<WizardPage>();
if (p != null && Control.SelectedPage != p)
{
Control.SelectedPage = p;
}
}
RefreshDesigner();
}
private void AddControlToActivePage(string typeName)
{
var c = GetService<IComponentChangeService>();
var dt = DesignerHost?.CreateTransaction("Add Control");
var comp = DesignerHost?.CreateComponent(Type.GetType(typeName, false));
if (comp != null)
{
c.OnComponentChanging(Control.SelectedPage, null);
Control.SelectedPage?.Container?.Add(comp);
c.OnComponentChanged(Control.SelectedPage, null, null, null);
}
dt?.Commit();
}
private void CheckStatus()
{
if (Verbs.Count < 3) return;
Verbs[1].Enabled = Control != null && Control.Pages.Count > 0;
Verbs[2].Enabled = Control?.SelectedPage != null;
}
private WizardPageDesigner GetSelectedWizardPageDesigner() => Control.SelectedPage != null ? DesignerHost?.GetDesigner(Control.SelectedPage) as WizardPageDesigner : null;
[DesignerVerb("Remove page")]
private void RemovePage(object sender, EventArgs e)
{
if (Control?.SelectedPage == null) return;
RemovePageFromWizard(Control.SelectedPage);
OnSelectionChanged(sender, e);
}
private void SelectComponent(Component p)
{
if (SelectionService != null)
{
SelectionService.SetSelectedComponents(new object[] { Control }, SelectionTypes.Primary);
if (p?.Site != null)
SelectionService.SetSelectedComponents(new object[] { p });
RefreshDesigner();
}
}
private void WizardPageContainer_OnControlAdded(object sender, ControlEventArgs e)
{
/*if ((e.Control != null) && !e.Control.IsHandleCreated)
{
var handle = e.Control.Handle;
}*/
}
private void WizardPageContainer_SelectedPageChanged(object sender, EventArgs e)
{
SelectComponent(Control.SelectedPage);
}
private void WizFirstPage(object sender, EventArgs e)
{
if (Control != null && Control.Pages.Count > 0)
Control.SelectedPage = Control.Pages[0];
}
private void WizLastPage(object sender, EventArgs e)
{
if (Control != null && Control.Pages.Count > 0)
Control.SelectedPage = Control.Pages[Control.Pages.Count - 1];
}
private void WizNextPage(object sender, EventArgs e)
{
Control?.NextPage();
}
private void WizPrevPage(object sender, EventArgs e)
{
Control?.PreviousPage();
}
internal class ActionList : RichDesignerActionList<WizardBaseDesigner, WizardPageContainer>
{
public ActionList(WizardBaseDesigner d, WizardPageContainer c) : base(d, c)
{
}
[DesignerActionProperty("Go to page", 5)]
public WizardPage GoToPage
{
get { return Component.SelectedPage; }
set
{
if (value != null)
Component.SelectedPage = value;
}
}
[DesignerActionProperty("Edit pages...")]
public WizardPageCollection Pages => Component?.Pages;
internal bool HasPages => Pages != null && Pages.Count > 0;
[DesignerActionMethod("Add page", 1, IncludeAsDesignerVerb = true)]
private void AddPage()
{
ParentDesigner.InsertPageIntoWizard(true);
ParentDesigner.OnSelectionChanged(this, EventArgs.Empty);
}
[DesignerActionMethod("Insert page", 2, Condition = "HasPages", IncludeAsDesignerVerb = true)]
private void InsertPage()
{
ParentDesigner.InsertPageIntoWizard(false);
ParentDesigner.OnSelectionChanged(this, EventArgs.Empty);
}
[DesignerActionMethod("Next page", 3, Condition = "HasPages")]
private void NextPage()
{
Component.NextPage();
}
[DesignerActionMethod("Previous page", 4, Condition = "HasPages")]
private void PrevPage()
{
Component.PreviousPage();
}
}
}
}