Changeset 11555 for trunk/sources

Timestamp:

11/17/14 16:05:14 (10 years ago)

Author:

ascheibe

Message:

#2158 added error handling for view nesting problem

Location:

trunk/sources/HeuristicLab.Core.Views/3.3

Files:

• HeuristicLab.Core.Views-3.3.csproj (modified) (3 diffs)
• ItemView.cs (modified) (3 diffs)
• NestingLevelErrorControl.Designer.cs (added)
• NestingLevelErrorControl.cs (added)

trunk/sources/HeuristicLab.Core.Views/3.3/HeuristicLab.Core.Views-3.3.csproj

@@ -147 +147 @@
       <DependentUpon>LogView.cs</DependentUpon>
     </Compile>
+    <Compile Include="NestingLevelErrorControl.cs">
+      <SubType>UserControl</SubType>
+    </Compile>
+    <Compile Include="NestingLevelErrorControl.Designer.cs">
+      <DependentUpon>NestingLevelErrorControl.cs</DependentUpon>
+    </Compile>
     <Compile Include="Plugin.cs" />
     <Compile Include="VariableValueView.cs">
@@ -378 +384 @@
   -->
   <PropertyGroup>
-   <PreBuildEvent Condition=" '$(OS)' == 'Windows_NT' ">set Path=%25Path%25;$(ProjectDir);$(SolutionDir)
+    <PreBuildEvent Condition=" '$(OS)' == 'Windows_NT' ">set Path=%25Path%25;$(ProjectDir);$(SolutionDir)
 set ProjectDir=$(ProjectDir)
 set SolutionDir=$(SolutionDir)
@@ -385 +391 @@
 call PreBuildEvent.cmd
 </PreBuildEvent>
-<PreBuildEvent Condition=" '$(OS)' != 'Windows_NT' ">
+    <PreBuildEvent Condition=" '$(OS)' != 'Windows_NT' ">
 export ProjectDir=$(ProjectDir)
 export SolutionDir=$(SolutionDir)

trunk/sources/HeuristicLab.Core.Views/3.3/ItemView.cs

@@ -20 +20 @@
 #endregion
 
+using System;
+using System.Windows.Forms;
 using HeuristicLab.MainForm.WindowsForms;
 
@@ -27 +29 @@
   /// </summary>
   public partial class ItemView : AsynchronousContentView {
+    public const int MaximumNestingLevel = 37;
+
     public new IItem Content {
       get { return (IItem)base.Content; }
@@ -38 +42 @@
       InitializeComponent();
     }
+
+    protected override void OnInitialized(EventArgs e) {
+      base.OnInitialized(e);
+
+      if (CountParentControls() > MaximumNestingLevel) {
+        NestingLevelErrorControl errorControl = new NestingLevelErrorControl();
+        errorControl.Dock = DockStyle.Fill;
+        //capture content, needed because it is set at a later time
+        errorControl.Content = () => Content;
+
+        Controls.Clear();
+        Controls.Add(errorControl);
+      }
+    }
+
+    private int CountParentControls() {
+      int cnt = 0;
+      Control parent = Parent;
+      while (parent != null) {
+        parent = parent.Parent;
+        cnt++;
+      }
+      return cnt;
+    }
   }
 }