using System;
using System.Collections.Generic;
using System.Windows.Forms;
using HeuristicLab.MainForm;
using HeuristicLab.Optimization;
using HeuristicLab.Optimizer;

namespace HeuristicLab.VariableInteractionNetworks {
  internal class CreateTargetVariationExperiment : HeuristicLab.MainForm.WindowsForms.MenuItem, IOptimizerUserInterfaceItemProvider {
    public override string Name {
      get { return "Create Target Variation &Experiment"; }
    }
    public override IEnumerable<string> Structure {
      get { return new string[] { "&Edit" }; }
    }
    public override int Position {
      get { return 2300; }
    }
    public override string ToolTipText {
      get { return "Create an experiment for varying the target variable"; }
    }

    protected override void OnToolStripItemSet(EventArgs e) {
      ToolStripItem.Enabled = false;
    }
    protected override void OnActiveViewChanged(object sender, EventArgs e) {
      IContentView activeView = MainFormManager.MainForm.ActiveView as IContentView;
      ToolStripItem.Enabled = (activeView != null) && (activeView.Content != null) && (activeView.Content is IOptimizer) && !activeView.Locked;
    }

    public override void Execute() {
      IContentView activeView = MainFormManager.MainForm.ActiveView as IContentView;
      if ((activeView != null) && (activeView.Content != null) && (activeView.Content is IOptimizer) && !activeView.Locked)
      {
          var experiment = TargetVariation.CreateVariableCombinations((IAlgorithm) activeView.Content);
          MainFormManager.MainForm.ShowContent(experiment);
      }
    }
  }
}