#region License Information /* HeuristicLab * Copyright (C) 2002-2014 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.Collections; using System.Collections.Generic; using System.Drawing; using System.Linq; using System.Windows.Forms; using HeuristicLab.Collections; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Core.Views; using HeuristicLab.MainForm; using HeuristicLab.MainForm.WindowsForms; namespace HeuristicLab.Optimization.Views { [View("RunCollection View")] [Content(typeof(RunCollection), true)] [Content(typeof(IItemCollection), false)] public sealed partial class RunCollectionView : ItemView { private Dictionary> itemListViewItemMapping; private bool validDragOperation; public new IItemCollection Content { get { return (IItemCollection)base.Content; } set { base.Content = value; } } public RunCollection RunCollection { get { return Content as RunCollection; } } public ListView ItemsListView { get { return itemsListView; } } public RunCollectionView() { InitializeComponent(); itemsGroupBox.Text = "Runs"; itemListViewItemMapping = new Dictionary>(); runCollectionModifiersListView.Evaluator = EvaluateModifications; } protected override void DeregisterContentEvents() { Content.ItemsAdded -= new CollectionItemsChangedEventHandler(Content_ItemsAdded); Content.ItemsRemoved -= new CollectionItemsChangedEventHandler(Content_ItemsRemoved); Content.CollectionReset -= new CollectionItemsChangedEventHandler(Content_CollectionReset); foreach (IRun run in itemListViewItemMapping.Keys) { DeregisterItemEvents(run); } base.DeregisterContentEvents(); } protected override void RegisterContentEvents() { base.RegisterContentEvents(); Content.ItemsAdded += new CollectionItemsChangedEventHandler(Content_ItemsAdded); Content.ItemsRemoved += new CollectionItemsChangedEventHandler(Content_ItemsRemoved); Content.CollectionReset += new CollectionItemsChangedEventHandler(Content_CollectionReset); } private void DeregisterItemEvents(IRun item) { item.ItemImageChanged -= new EventHandler(Item_ItemImageChanged); item.ToStringChanged -= new EventHandler(Item_ToStringChanged); item.Changed -= new EventHandler(Item_Changed); } private void RegisterItemEvents(IRun item) { item.ItemImageChanged += new EventHandler(Item_ItemImageChanged); item.ToStringChanged += new EventHandler(Item_ToStringChanged); item.Changed += new EventHandler(Item_Changed); } protected override void OnInitialized(EventArgs e) { base.OnInitialized(e); var viewTypes = MainFormManager.GetViewTypes(typeof(RunCollection), true); foreach (Type viewType in viewTypes.OrderBy(x => ViewAttribute.GetViewName(x))) { if ((viewType != typeof(ItemCollectionView)) && (viewType != typeof(ViewHost))) { ToolStripMenuItem menuItem = new ToolStripMenuItem(); menuItem.Text = ViewAttribute.GetViewName(viewType); menuItem.Tag = viewType; menuItem.Click += new EventHandler(menuItem_Click); analyzeRunsToolStripDropDownButton.DropDownItems.Add(menuItem); } } } protected override void OnContentChanged() { base.OnContentChanged(); string selectedName = null; if ((itemsListView.SelectedItems.Count == 1) && (itemsListView.SelectedItems[0].Tag != null)) selectedName = ((IRun)itemsListView.SelectedItems[0].Tag).Name; itemsListView.Items.Clear(); itemListViewItemMapping.Clear(); RebuildImageList(); viewHost.Content = null; if (Content != null) { if (RunCollection != null) { if (!tabControl.TabPages.Contains(constraintPage)) tabControl.TabPages.Add(constraintPage); runCollectionConstraintCollectionView.Content = RunCollection.Constraints; runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0; if (!tabControl.TabPages.Contains(modifiersPage)) tabControl.TabPages.Add(modifiersPage); runCollectionModifiersListView.Content = RunCollection.Modifiers; } foreach (IRun item in Content) { ListViewItem listViewItem = CreateListViewItem(item); AddListViewItem(listViewItem); if ((selectedName != null) && item.Name.Equals(selectedName)) listViewItem.Selected = true; } AdjustListViewColumnSizes(); } else { runCollectionConstraintCollectionView.Content = null; if (tabControl.TabPages.Contains(constraintPage)) tabControl.TabPages.Remove(constraintPage); if (tabControl.TabPages.Contains(modifiersPage)) tabControl.TabPages.Remove(modifiersPage); } } protected override void SetEnabledStateOfControls() { base.SetEnabledStateOfControls(); if (Content == null) { analyzeRunsToolStripDropDownButton.Enabled = false; runCollectionConstraintCollectionView.ReadOnly = true; itemsListView.Enabled = false; detailsGroupBox.Enabled = false; viewHost.Enabled = false; removeButton.Enabled = false; clearButton.Enabled = false; } else { analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0; runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0; itemsListView.Enabled = true; detailsGroupBox.Enabled = itemsListView.SelectedItems.Count == 1; removeButton.Enabled = itemsListView.SelectedItems.Count > 0 && !Content.IsReadOnly && !ReadOnly; clearButton.Enabled = itemsListView.Items.Count > 0 && !Content.IsReadOnly && !ReadOnly; viewHost.Enabled = true; } } private ListViewItem CreateListViewItem(IRun item) { ListViewItem listViewItem = new ListViewItem(); if (item == null) { listViewItem.Text = "null"; itemsListView.SmallImageList.Images.Add(HeuristicLab.Common.Resources.VSImageLibrary.Nothing); listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1; } else { listViewItem.Text = item.ToString(); listViewItem.ToolTipText = item.ItemName + ": " + item.ItemDescription; itemsListView.SmallImageList.Images.Add(item.ItemImage); listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1; listViewItem.Tag = item; if (item.Visible) { listViewItem.Font = new Font(listViewItem.Font, FontStyle.Regular); listViewItem.ForeColor = item.Color; } else { listViewItem.Font = new Font(listViewItem.Font, FontStyle.Italic); listViewItem.ForeColor = Color.LightGray; } } return listViewItem; } private void AddListViewItem(ListViewItem listViewItem) { if (listViewItem == null) throw new ArgumentNullException(); itemsListView.Items.Add(listViewItem); IRun run = listViewItem.Tag as IRun; if (run != null) { if (!itemListViewItemMapping.ContainsKey(run)) { itemListViewItemMapping.Add(run, new List()); RegisterItemEvents(run); } itemListViewItemMapping[run].Add(listViewItem); } } private void RemoveListViewItem(ListViewItem listViewItem) { if (listViewItem == null) throw new ArgumentNullException(); IRun run = listViewItem.Tag as IRun; if (run != null) { itemListViewItemMapping[run].Remove(listViewItem); if (itemListViewItemMapping[run].Count == 0) { DeregisterItemEvents(run); itemListViewItemMapping.Remove(run); } } listViewItem.Remove(); } private void UpdateListViewItemImage(ListViewItem listViewItem) { if (listViewItem == null) throw new ArgumentNullException(); IRun item = listViewItem.Tag as IRun; int i = listViewItem.ImageIndex; itemsListView.SmallImageList.Images[i] = item == null ? HeuristicLab.Common.Resources.VSImageLibrary.Nothing : item.ItemImage; listViewItem.ImageIndex = -1; listViewItem.ImageIndex = i; } private void UpdateListViewItemText(ListViewItem listViewItem) { if (listViewItem == null) throw new ArgumentNullException(); IRun item = listViewItem.Tag as IRun; listViewItem.Text = item == null ? "null" : item.ToString(); listViewItem.ToolTipText = item == null ? string.Empty : item.ItemName + ": " + item.ItemDescription; } private IEnumerable GetListViewItemsForItem(IRun item) { if (item == null) { List listViewItems = new List(); foreach (ListViewItem listViewItem in itemsListView.Items) { if (listViewItem.Tag == null) listViewItems.Add(listViewItem); } return listViewItems; } else { List listViewItems = null; itemListViewItemMapping.TryGetValue(item, out listViewItems); return listViewItems == null ? Enumerable.Empty() : listViewItems; } } #region ListView Events private void itemsListView_SelectedIndexChanged(object sender, EventArgs e) { removeButton.Enabled = itemsListView.SelectedItems.Count > 0 && (Content != null) && !Content.IsReadOnly && !ReadOnly; // for performance reason (multiple selection fires this handler for every selected item) if (itemsListView.SelectedIndices.Count <= 1) AdjustListViewColumnSizes(); if (showDetailsCheckBox.Checked) { if (itemsListView.SelectedItems.Count == 1) { IRun item = (IRun)itemsListView.SelectedItems[0].Tag; detailsGroupBox.Enabled = true; viewHost.Content = item; } else { viewHost.Content = null; detailsGroupBox.Enabled = false; } } } private void itemsListView_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Delete) { if ((itemsListView.SelectedItems.Count > 0) && !Content.IsReadOnly && !ReadOnly) { if (RunCollection != null) { RunCollection.RemoveRange(itemsListView.SelectedItems.Cast().Select(i => (IRun)i.Tag)); } else { foreach (ListViewItem item in itemsListView.SelectedItems) Content.Remove((IRun)item.Tag); } } } } private void itemsListView_DoubleClick(object sender, EventArgs e) { if (itemsListView.SelectedItems.Count == 1) { IRun item = itemsListView.SelectedItems[0].Tag as IRun; if (item != null) { IContentView view = MainFormManager.MainForm.ShowContent(item); if (view != null) { view.ReadOnly = ReadOnly; view.Locked = Locked; } } } } private void itemsListView_ItemDrag(object sender, ItemDragEventArgs e) { if (!Locked) { List items = new List(); foreach (ListViewItem listViewItem in itemsListView.SelectedItems) { IRun item = listViewItem.Tag as IRun; if (item != null) items.Add(item); } if (items.Count > 0) { DataObject data = new DataObject(); if (items.Count == 1) data.SetData(HeuristicLab.Common.Constants.DragDropDataFormat, items[0]); else data.SetData(HeuristicLab.Common.Constants.DragDropDataFormat, items); if (Content.IsReadOnly || ReadOnly) { DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link); } else { DragDropEffects result = DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move); if (result.HasFlag(DragDropEffects.Move)) { foreach (IRun item in items) Content.Remove(item); } } } } } private void itemsListView_DragEnter(object sender, DragEventArgs e) { validDragOperation = false; if (!Content.IsReadOnly && !ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IRun)) { validDragOperation = true; } else if (!Content.IsReadOnly && !ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IEnumerable)) { validDragOperation = true; IEnumerable items = (IEnumerable)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat); foreach (object item in items) validDragOperation = validDragOperation && (item is IRun); } } private void itemsListView_DragOver(object sender, DragEventArgs e) { e.Effect = DragDropEffects.None; if (validDragOperation) { 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; } } private void itemsListView_DragDrop(object sender, DragEventArgs e) { if (e.Effect != DragDropEffects.None) { if (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IRun) { IRun item = (IRun)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat); Content.Add(e.Effect.HasFlag(DragDropEffects.Copy) ? (IRun)item.Clone() : item); } else if (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IEnumerable) { IEnumerable items = ((IEnumerable)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat)).Cast(); if (e.Effect.HasFlag(DragDropEffects.Copy)) { Cloner cloner = new Cloner(); items = items.Select(x => cloner.Clone(x)); } if (RunCollection != null) { RunCollection.AddRange(items); } else { // the content is an IItemCollection foreach (IRun item in items) Content.Add(item); } } } } #endregion #region Button Events private void menuItem_Click(object sender, EventArgs e) { ToolStripMenuItem menuItem = (ToolStripMenuItem)sender; Type viewType = (Type)menuItem.Tag; IContentView view = MainFormManager.MainForm.ShowContent(Content, viewType); if (view != null) { view.Locked = Locked; view.ReadOnly = ReadOnly; } } private void removeButton_Click(object sender, EventArgs e) { if (itemsListView.SelectedItems.Count > 0) { if (RunCollection != null) { RunCollection.RemoveRange(itemsListView.SelectedItems.Cast().Select(i => (IRun)i.Tag)); } else { foreach (ListViewItem item in itemsListView.SelectedItems) Content.Remove((IRun)item.Tag); } itemsListView.SelectedItems.Clear(); } } private void clearButton_Click(object sender, EventArgs e) { Content.Clear(); } #endregion #region Control Events private void showDetailsCheckBox_CheckedChanged(object sender, EventArgs e) { if (showDetailsCheckBox.Checked) { splitContainer.Panel2Collapsed = false; detailsGroupBox.Enabled = itemsListView.SelectedItems.Count == 1; viewHost.Content = itemsListView.SelectedItems.Count == 1 ? (IRun)itemsListView.SelectedItems[0].Tag : null; } else { splitContainer.Panel2Collapsed = true; viewHost.Content = null; } } private void EvaluateModifications() { if (RunCollection == null) return; ReadOnly = true; try { RunCollection.Modify(); } finally { ReadOnly = false; } } #endregion #region Content Events private void Content_ItemsAdded(object sender, CollectionItemsChangedEventArgs e) { if (InvokeRequired) Invoke(new CollectionItemsChangedEventHandler(Content_ItemsAdded), sender, e); else { foreach (IRun item in e.Items) AddListViewItem(CreateListViewItem(item)); AdjustListViewColumnSizes(); analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0; clearButton.Enabled = itemsListView.Items.Count > 0 && !Content.IsReadOnly && !ReadOnly; runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0; } } private void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs e) { if (InvokeRequired) Invoke(new CollectionItemsChangedEventHandler(Content_ItemsRemoved), sender, e); else { foreach (IRun item in e.Items) { //remove only the first matching ListViewItem, because the IRun could be contained multiple times in the ItemCollection ListViewItem listViewItem = GetListViewItemsForItem(item).FirstOrDefault(); if (listViewItem != null) RemoveListViewItem(listViewItem); } RebuildImageList(); analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0; clearButton.Enabled = itemsListView.Items.Count > 0 && !Content.IsReadOnly && !ReadOnly; runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0; } } private void Content_CollectionReset(object sender, CollectionItemsChangedEventArgs e) { if (InvokeRequired) Invoke(new CollectionItemsChangedEventHandler(Content_CollectionReset), sender, e); else { foreach (IRun item in e.OldItems) { //remove only the first matching ListViewItem, because the IRun could be contained multiple times in the ItemCollection ListViewItem listViewItem = GetListViewItemsForItem(item).FirstOrDefault(); if (listViewItem != null) RemoveListViewItem(listViewItem); } RebuildImageList(); foreach (IRun item in e.Items) AddListViewItem(CreateListViewItem(item)); AdjustListViewColumnSizes(); analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0; clearButton.Enabled = itemsListView.Items.Count > 0 && !Content.IsReadOnly && !ReadOnly; runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0; } } #endregion #region Item Events private void Item_ItemImageChanged(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler(Item_ItemImageChanged), sender, e); else { IRun item = (IRun)sender; foreach (ListViewItem listViewItem in GetListViewItemsForItem(item)) UpdateListViewItemImage(listViewItem); } } private void Item_ToStringChanged(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler(Item_ToStringChanged), sender, e); else { IRun item = (IRun)sender; foreach (ListViewItem listViewItem in GetListViewItemsForItem(item)) UpdateListViewItemText(listViewItem); AdjustListViewColumnSizes(); } } private void Item_Changed(object sender, EventArgs e) { if (InvokeRequired) this.Invoke(new EventHandler(Item_Changed), sender, e); else { IRun run = (IRun)sender; UpdateRun(run); } } private void UpdateRun(IRun run) { foreach (ListViewItem listViewItem in GetListViewItemsForItem(run)) { if (run.Visible) { listViewItem.Font = new Font(listViewItem.Font, FontStyle.Regular); listViewItem.ForeColor = run.Color; } else { listViewItem.Font = new Font(listViewItem.Font, FontStyle.Italic); listViewItem.ForeColor = Color.LightGray; } } } #endregion #region Helpers private void AdjustListViewColumnSizes() { if (itemsListView.Items.Count > 0) { for (int i = 0; i < itemsListView.Columns.Count; i++) { itemsListView.Columns[i].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent); } } } private void RebuildImageList() { itemsListView.SmallImageList.Images.Clear(); foreach (ListViewItem listViewItem in itemsListView.Items) { IRun item = listViewItem.Tag as IRun; itemsListView.SmallImageList.Images.Add(item == null ? HeuristicLab.Common.Resources.VSImageLibrary.Nothing : item.ItemImage); listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1; } } #endregion } }