#region License Information
/* HeuristicLab
* Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Windows.Forms;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Core.Views;
using HeuristicLab.MainForm;
using HeuristicLab.PluginInfrastructure;
namespace HeuristicLab.Parameters.Views {
///
/// The visual representation of a .
///
[View("ValueLookupParameter View")]
[Content(typeof(ValueLookupParameter<>), true)]
[Content(typeof(IValueLookupParameter<>), false)]
public partial class ValueLookupParameterView : ParameterView where T : class, IItem {
protected TypeSelectorDialog typeSelectorDialog;
///
/// Gets or sets the variable to represent visually.
///
/// Uses property of base class .
/// No own data storage present.
public new IValueLookupParameter Content {
get { return (IValueLookupParameter)base.Content; }
set { base.Content = value; }
}
///
/// Initializes a new instance of with caption "Variable".
///
public ValueLookupParameterView() {
InitializeComponent();
}
///
/// Clean up any resources being used.
///
/// true if managed resources should be disposed; otherwise, false.
protected override void Dispose(bool disposing) {
if (disposing) {
if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
if (components != null) components.Dispose();
}
base.Dispose(disposing);
}
///
/// Removes the eventhandlers from the underlying .
///
/// Calls of base class .
protected override void DeregisterContentEvents() {
Content.ActualNameChanged -= new EventHandler(Content_ActualNameChanged);
Content.GetsCollectedChanged -= new EventHandler(Content_GetsCollectedChanged);
Content.ValueChanged -= new EventHandler(Content_ValueChanged);
base.DeregisterContentEvents();
}
///
/// Adds eventhandlers to the underlying .
///
/// Calls of base class .
protected override void RegisterContentEvents() {
base.RegisterContentEvents();
Content.ActualNameChanged += new EventHandler(Content_ActualNameChanged);
Content.GetsCollectedChanged += new EventHandler(Content_GetsCollectedChanged);
Content.ValueChanged += new EventHandler(Content_ValueChanged);
}
protected override void OnContentChanged() {
base.OnContentChanged();
if (Content == null) {
actualNameTextBox.Text = "-";
showInRunCheckBox.Checked = false;
valueViewHost.Content = null;
} else {
SetDataTypeTextBoxText();
actualNameTextBox.Text = Content.ActualName;
showInRunCheckBox.Checked = Content.GetsCollected;
valueViewHost.ViewType = null;
valueViewHost.Content = Content.Value;
}
}
protected override void SetEnabledStateOfControls() {
base.SetEnabledStateOfControls();
actualNameTextBox.Enabled = Content != null;
actualNameTextBox.ReadOnly = ReadOnly;
setValueButton.Enabled = Content != null && !ReadOnly;
clearValueButton.Enabled = Content != null && Content.Value != null && !ReadOnly;
showInRunCheckBox.Enabled = Content != null && !ReadOnly;
}
protected virtual void Content_ActualNameChanged(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler(Content_ActualNameChanged), sender, e);
else
actualNameTextBox.Text = Content.ActualName;
}
protected virtual void Content_ValueChanged(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler(Content_ValueChanged), sender, e);
else {
SetDataTypeTextBoxText();
clearValueButton.Enabled = Content != null && Content.Value != null && !ReadOnly;
valueViewHost.ViewType = null;
valueViewHost.Content = Content != null ? Content.Value : null;
}
}
protected virtual void Content_GetsCollectedChanged(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler(Content_GetsCollectedChanged), sender, e);
else
showInRunCheckBox.Checked = Content != null && Content.GetsCollected;
}
protected virtual void actualNameTextBox_Validated(object sender, EventArgs e) {
Content.ActualName = actualNameTextBox.Text;
}
protected virtual void setValueButton_Click(object sender, EventArgs e) {
if (typeSelectorDialog == null) {
typeSelectorDialog = new TypeSelectorDialog();
typeSelectorDialog.Caption = "Select Value";
typeSelectorDialog.TypeSelector.Configure(Content.DataType, false, true);
}
if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
try {
Content.Value = (T)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
}
catch (Exception ex) {
MainFormManager.MainForm.ShowError(ex.Message, ex);
}
}
}
protected virtual void clearValueButton_Click(object sender, EventArgs e) {
Content.Value = null;
}
protected virtual void showInRunCheckBox_CheckedChanged(object sender, EventArgs e) {
if (Content != null) Content.GetsCollected = showInRunCheckBox.Checked;
}
protected virtual void valueGroupBox_DragEnterOver(object sender, DragEventArgs e) {
e.Effect = DragDropEffects.None;
if (!ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) != null) && Content.DataType.IsAssignableFrom(e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat).GetType())) {
if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link; // ALT key
else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move; // SHIFT key
else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
}
}
protected virtual void valueGroupBox_DragDrop(object sender, DragEventArgs e) {
if (e.Effect != DragDropEffects.None) {
T value = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as T;
if (e.Effect.HasFlag(DragDropEffects.Copy)) value = (T)value.Clone();
Content.Value = value;
}
}
#region Helpers
protected void SetDataTypeTextBoxText() {
if (Content == null) {
dataTypeTextBox.Text = "-";
} else {
if ((Content.Value != null) && (Content.Value.GetType() != Content.DataType))
dataTypeTextBox.Text = Content.DataType.GetPrettyName() + " (" + Content.Value.GetType().GetPrettyName() + ")";
else
dataTypeTextBox.Text = Content.DataType.GetPrettyName();
}
}
#endregion
}
}