本文整理汇总了C#中System.Web.UI.Design.EditableDesignerRegion类的典型用法代码示例。如果您正苦于以下问题:C# EditableDesignerRegion类的具体用法?C# EditableDesignerRegion怎么用?C# EditableDesignerRegion使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
EditableDesignerRegion类属于System.Web.UI.Design命名空间,在下文中一共展示了EditableDesignerRegion类的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Designer
//引入命名空间
using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
using System.Web.UI;
using System.Web.UI.Design;
using System.Web.UI.Design.WebControls;
using System.Web.UI.WebControls;
namespace Samples.ASPNet.ControlDesigners_CS
{
[
Designer(typeof(MyMultiRegionControlDesigner)),
ToolboxData("<{0}:MyMultiRegionControl runat=\"server\" width=\"200\"></{0}:MyMultiRegionControl>")
]
public class MyMultiRegionControl : CompositeControl
{
// Define the templates that represent 2 views on the control
private ITemplate _view1;
private ITemplate _view2;
// Create persistable inner properties
// for the two editable views
[PersistenceMode(PersistenceMode.InnerProperty), DefaultValue(null)]
public virtual ITemplate View1
{
get { return _view1; }
set { _view1 = value; }
}
[PersistenceMode(PersistenceMode.InnerProperty), DefaultValue(null)]
public virtual ITemplate View2
{
get { return _view2; }
set { _view2 = value; }
}
// The current view on the control; 0 = view1, 1 = view2
private int _currentView = 0;
public int CurrentView
{
get { return _currentView; }
set { _currentView = value; }
}
// Create a simple table with a row of two clickable,
// readonly headers and a row with a single column, which
// is the 'container' to which we'll be adding controls.
protected override void CreateChildControls()
{
// Always start with a clean form
Controls.Clear();
// Create a table using the control's declarative properties
Table t = new Table();
t.CellSpacing = 1;
t.BorderStyle = BorderStyle;
t.Width = this.Width;
t.Height = this.Height;
// Create the header row
TableRow tr = new TableRow();
tr.HorizontalAlign = HorizontalAlign.Center;
tr.BackColor = Color.LightBlue;
// Create the first cell in the header row
TableCell tc = new TableCell();
tc.Text = "View 1";
tc.Width = new Unit("50%");
tr.Cells.Add(tc);
// Create the second cell in the header row
tc = new TableCell();
tc.Text = "View 2";
tc.Width = new Unit("50%");
tr.Cells.Add(tc);
t.Rows.Add(tr);
// Create the second row for content
tr = new TableRow();
tr.HorizontalAlign = HorizontalAlign.Center;
// This cell represents our content 'container'
tc = new TableCell();
tc.ColumnSpan = 2;
// Add the current view content to the cell
// at run-time
if (!DesignMode)
{
Control containerControl = new Control();
switch (CurrentView)
{
case 0:
if (View1 != null)
View1.InstantiateIn(containerControl);
break;
case 1:
if (View2 != null)
View2.InstantiateIn(containerControl);
break;
}
tc.Controls.Add(containerControl);
}
tr.Cells.Add(tc);
t.Rows.Add(tr);
// Add the finished table to the Controls collection
Controls.Add(t);
}
}
//---------------------------------------------------------
// Region-based control designer for the above web control,
// derived from CompositeControlDesigner.
public class MyMultiRegionControlDesigner : CompositeControlDesigner
{
private MyMultiRegionControl myControl;
public override void Initialize(IComponent component)
{
base.Initialize(component);
myControl = (MyMultiRegionControl)component;
}
// Make this control resizeable on the design surface
public override bool AllowResize
{
get
{
return true;
}
}
// Use the base to create child controls, then add region markers
protected override void CreateChildControls() {
base.CreateChildControls();
// Get a reference to the table, which is the first child control
Table t = (Table)myControl.Controls[0];
// Add design time markers for each of the three regions
if (t != null)
{
// View1
t.Rows[0].Cells[0].Attributes[DesignerRegion.DesignerRegionAttributeName] = "0";
// View2
t.Rows[0].Cells[1].Attributes[DesignerRegion.DesignerRegionAttributeName] = "1";
// Editable region
t.Rows[1].Cells[0].Attributes[DesignerRegion.DesignerRegionAttributeName] = "2";
}
}
// Handler for the Click event, which provides the region in the arguments.
protected override void OnClick(DesignerRegionMouseEventArgs e)
{
if (e.Region == null)
return;
// If the clicked region is not a header, return
if (e.Region.Name.IndexOf("Header") != 0)
return;
// Switch the current view if required
if (e.Region.Name.Substring(6, 1) != myControl.CurrentView.ToString())
{
myControl.CurrentView = int.Parse(e.Region.Name.Substring(6, 1));
base.UpdateDesignTimeHtml();
}
}
// Create the regions and design-time markup. Called by the designer host.
public override String GetDesignTimeHtml(DesignerRegionCollection regions) {
// Create 3 regions: 2 clickable headers and an editable row
regions.Add(new DesignerRegion(this, "Header0"));
regions.Add(new DesignerRegion(this, "Header1"));
// Create an editable region and add it to the regions
EditableDesignerRegion editableRegion =
new EditableDesignerRegion(this,
"Content" + myControl.CurrentView, false);
regions.Add(editableRegion);
// Set the highlight for the selected region
regions[myControl.CurrentView].Highlight = true;
// Use the base class to render the markup
return base.GetDesignTimeHtml();
}
// Get the content string for the selected region. Called by the designer host?
public override string GetEditableDesignerRegionContent(EditableDesignerRegion region)
{
// Get a reference to the designer host
IDesignerHost host = (IDesignerHost)Component.Site.GetService(typeof(IDesignerHost));
if (host != null)
{
ITemplate template = myControl.View1;
if (region.Name == "Content1")
template = myControl.View2;
// Persist the template in the design host
if (template != null)
return ControlPersister.PersistTemplate(template, host);
}
return String.Empty;
}
// Create a template from the content string and
// put it in the selected view.
public override void SetEditableDesignerRegionContent(EditableDesignerRegion region, string content)
{
if (content == null)
return;
// Get a reference to the designer host
IDesignerHost host = (IDesignerHost)Component.Site.GetService(typeof(IDesignerHost));
if (host != null)
{
// Create a template from the content string
ITemplate template = ControlParser.ParseTemplate(host, content);
// Determine which region should get the template
// Either 'Content0' or 'Content1'
if (region.Name.EndsWith("0"))
myControl.View1 = template;
else if (region.Name.EndsWith("1"))
myControl.View2 = template;
}
}
}
}