protected override ITree GetTree(ITypeDescriptorContext context, object value)
{
ElementGrouping instance = (ElementGrouping)EditorUtility.ResolveContextInstance(context.Instance, false); // false indicates this should not be called in multiselect mode.
ITree tree = new VirtualTree();
tree.Root = new GroupingTypesBranch(instance);
return(tree);
}
/// <summary>
/// Get a checkbox-based tree with uncombined ring types
/// </summary>
protected sealed override ITree GetTree(ITypeDescriptorContext context, object value)
{
ITree tree = new VirtualTree();
RingTypeBranch branch = new RingTypeBranch(EditorUtility.ResolveContextInstance(context.Instance, true) as ModelElement);
tree.Root = branch;
branch.Selection = (RingConstraintType)value;
return(tree);
}
/// <summary>
/// Create a new SynchronizeStateEventArgs.
/// </summary>
/// <param name="tree">Tree raising this event. Necessary to allow clients that handle synchronization themeselves to raise events back to the tree.</param>
/// <param name="itemsToSynchronize">Enumerator of items to be synchronized.</param>
/// <param name="matchBranch">Branch whose state should be matched.</param>
/// <param name="matchRow">Row whose state should be matched.</param>
/// <param name="matchColumn">Column whose state should be matched.</param>
public SynchronizeStateEventArgs(
ITree tree, ColumnItemEnumerator itemsToSynchronize, IBranch matchBranch, int matchRow, int matchColumn)
{
Handled = false;
myItemsToSynchronize = itemsToSynchronize;
myMatchBranch = matchBranch;
myMatchRow = matchRow;
myMatchColumn = matchColumn;
myTree = tree as VirtualTree;
}
/// <summary>
/// Get the ITree representing the current verbalization settings
/// </summary>
protected override ITree GetTree(ITypeDescriptorContext context, object value)
{
ITree tree = new VirtualTree();
IBranch rootBranch = new ProviderBranch((string)value, TargetProviders, SnippetsProviders, VerbalizationDirectory, LanguageFormatString);
tree.Root = rootBranch;
if (rootBranch.VisibleItemCount == 1)
{
tree.ToggleExpansion(0, 0);
}
return(tree);
}
/// <summary>
/// Creates a new form to filter errors for the given ORM model.
/// </summary>
/// <param name="model">The orm model for which to filter errors.</param>
public ModelErrorDisplayFilterForm(ORMModel model)
{
this.myModel = model;
InitializeComponent();
LoadCategories();
ITree tree = new VirtualTree();
IBranch rootBranch = new InitialCategoriesBranch(myCategories, myErrors);
tree.Root = rootBranch;
#if VISUALSTUDIO_9_0 // MSBUG: Hack workaround crashing bug in VirtualTreeControl.OnToggleExpansion
this.virtualTreeControl.ColumnPermutation = new ColumnPermutation(1, new int[]{0}, false);
#endif
this.virtualTreeControl.Tree = tree;
}
protected override DragDropEffects RowDropEffect(Row row, RowDropLocation dropLocation, IDataObject data)
{
if (!IsWorkpad)
{
return(base.RowDropEffect(row, dropLocation, data));
}
VirtualTree tree = GetTree(data);
if (tree == null)
{
return(DragDropEffects.None);
}
return((tree == this) ? DragDropEffects.Move : DragDropEffects.Copy);
}
public bool TryGetParent(out VirtualTree <T> parent)
{
T parentNode;
if (this.TreeWalker.TryGetParent(this.Root, out parentNode))
{
parent = this.ShallowCopy(parentNode);
return(true);
}
else
{
parent = default(VirtualTree <T>);
return(false);
}
}
/// <summary>
/// Creates a new form to filter errors for the given ORM model.
/// </summary>
/// <param name="model">The orm model for which to filter errors.</param>
public ModelErrorDisplayFilterForm(ORMModel model)
{
this.myModel = model;
InitializeComponent();
LoadCategories();
ITree tree = new VirtualTree();
IBranch rootBranch = new InitialCategoriesBranch(myCategories, myErrors);
tree.Root = rootBranch;
#if VISUALSTUDIO_9_0 // MSBUG: Hack workaround crashing bug in VirtualTreeControl.OnToggleExpansion
this.virtualTreeControl.ColumnPermutation = new ColumnPermutation(1, new int[] { 0 }, false);
#endif
this.virtualTreeControl.Tree = tree;
}
public void GetChildAt(int index, int[] expected)
{
IEnumerable <VirtualTree <Node <int> > > nums =
Enumerable
.Range(0, 2)
.Select(x =>
VirtualTree
.New(
new NodeWalker <int>(),
Node
.Create(x)
.AddChildren(
Enumerable
.Range(0, 3)
.Select(y => Node.Create(y))
.ToArray())));
Assert.Equal(expected, nums.GetChildAt(index).Unwrap().Select(x => x.Value).ToArray());
}
private void DiagramOrderDialog_Load(object sender, EventArgs e)
{
if (LastFormSize != Size.Empty)
{
Size = LastFormSize;
}
ITree tree = new VirtualTree();
tree.Root = new DiagramBranch(this);
VirtualTreeControl treeControl = DiagramsList;
treeControl.Tree = tree;
int selectIndex;
if (-1 != (selectIndex = myInitialSelectionIndex))
{
treeControl.CurrentIndex = selectIndex;
}
treeControl.Select();
}
public void GetChildrenByKey_ArgumentComparerIsInvoked()
{
// Get a valid tree.
var tree = TestTreeFactory.GetSimpleTree();
// Create a mock IComparer.
Mock <IEqualityComparer <Node <int> > > mockComparer = new Mock <IEqualityComparer <Node <int> > >();
mockComparer
.Setup(mock => mock.Equals(It.IsAny <Node <int> >(), It.IsAny <Node <int> >()))
.Returns(true);
// Create a VirtualTree.
VirtualTree <Node <int> > vt = VirtualTree.New(new NodeWalker <int>(), tree);
// Create a key to use for comparison. Any key is fine.
Node <int> key = new Node <int>(0);
// Execute the GetChildren.
vt.GetChildren(key, mockComparer.Object).ToArray();
// Verify that the comparer argument was used.
mockComparer.Verify(x => x.Equals(key, It.IsAny <Node <int> >()), Times.AtLeastOnce);
}
public void GetDescendants_ByKey_PropetyComparerIsInvoked()
{
// Get a valid tree.
var tree = TestTreeFactory.GetSimpleTree();
// Create a mock IComparer.
Mock <IEqualityComparer <Node <int> > > mockComparer = new Mock <IEqualityComparer <Node <int> > >();
mockComparer
.Setup(mock => mock.Equals(It.IsAny <Node <int> >(), It.IsAny <Node <int> >()))
.Returns(true);
// Create a VirtualTree.
VirtualTree <Node <int> > vt = VirtualTree.New(new NodeWalker <int>(), tree, mockComparer.Object);
// Create a key to use for comparison. Any key is fine.
Node <int> key = new Node <int>(0);
// Execute GetDescendants.
vt.GetDescendants(key: key).ToArray();
// Verify that the VirtualTree's comparer was used.
mockComparer.Verify(x => x.Equals(It.IsAny <Node <int> >(), It.IsAny <Node <int> >()), Times.Exactly(vt.GetDegree()));
}
private void DiagramOrderDialog_Load(object sender, EventArgs e)
{
if (LastFormSize != Size.Empty)
{
Size = LastFormSize;
}
ITree tree = new VirtualTree();
tree.Root = new DiagramBranch(this);
VirtualTreeControl treeControl = DiagramsList;
treeControl.Tree = tree;
treeControl.Select();
}
internal PositionManagerEventArgs(VirtualTree owningTree)
{
myMultiColumnTree = (null != (owningTree as IMultiColumnTree)) ? owningTree : null;
myTable = new Hashtable();
}
public DragDropPanelWidget(VirtualTree tree)
: base(tree)
{
}
/// <summary>
/// Required UITypeEditor override. Opens dropdown modally
/// and waits for user input.
/// </summary>
/// <param name="context">The descriptor context. Used to retrieve
/// the live instance and other data.</param>
/// <param name="provider">The service provider for the given context.</param>
/// <param name="value">The current property value</param>
/// <returns>The updated property value, or the orignal value to effect a cancel</returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
IWindowsFormsEditorService editor = provider.GetService(typeof(IWindowsFormsEditorService)) as IWindowsFormsEditorService;
if (editor != null)
{
object newObject = value;
// Get the list contents and add a null handler if needed
IList elements = GetContentList(context, value);
string nullText = NullItemText;
// Proceed if there is anything to show
if (nullText != null || (elements != null && elements.Count != 0))
{
// Create a tree control
using (DropDownTreeControl treeControl = new DropDownTreeControl())
{
#if VISUALSTUDIO_9_0 // MSBUG: Hack workaround crashing bug in VirtualTreeControl.OnToggleExpansion
treeControl.ColumnPermutation = new ColumnPermutation(1, new int[] { 0 }, false);
#endif
// Close the dropdown after a double click
treeControl.AfterDoubleClick += delegate(object sender, DoubleClickEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
editor.CloseDropDown();
}
};
// Create a tree for the control
ITree tree = new VirtualTree();
tree.Root = new SimpleBranch(this, elements, nullText);
treeControl.Tree = tree;
// Manage the size of the control
Size lastSize = LastControlSize;
if (!lastSize.IsEmpty)
{
treeControl.Size = lastSize;
}
int initialIndex = -1;
if (value != null)
{
if (elements != null)
{
initialIndex = elements.IndexOf(TranslateToDisplayObject(value, elements));
if (nullText != null)
{
++initialIndex;
}
}
}
else if (nullText != null)
{
initialIndex = 0;
}
if (initialIndex != -1)
{
treeControl.InitialSelectionIndex = initialIndex;
}
Control adornedControl = SetTreeControlDisplayOptions(treeControl) ?? treeControl;
bool escapePressed = false;
EditorUtility.AttachEscapeKeyPressedEventHandler(
adornedControl,
delegate(object sender, EventArgs e)
{
escapePressed = true;
});
// Make sure keystrokes are not forwarded while the modal dropdown is open
IVirtualTreeInPlaceControl virtualTreeInPlaceControl = editor as IVirtualTreeInPlaceControl;
VirtualTreeInPlaceControlFlags flags = virtualTreeInPlaceControl != null ? virtualTreeInPlaceControl.Flags : 0;
if (0 != (flags & VirtualTreeInPlaceControlFlags.ForwardKeyEvents))
{
virtualTreeInPlaceControl.Flags = flags & ~VirtualTreeInPlaceControlFlags.ForwardKeyEvents;
}
// Show the dropdown. This is modal.
editor.DropDownControl(adornedControl);
// Restore keystroke forwarding
if (0 != (flags & VirtualTreeInPlaceControlFlags.ForwardKeyEvents))
{
virtualTreeInPlaceControl.Flags = flags;
}
// Record the final size, we'll use it next time for this type of control
LastControlSize = treeControl.Size;
// Make sure the user didn't cancel, and translate the null placeholder
// back to null if necessary
if (!escapePressed)
{
int lastIndex = treeControl.AnchorIndex;
if (lastIndex != -1)
{
if (nullText != null)
{
--lastIndex;
if (lastIndex == -1)
{
newObject = null;
}
else
{
newObject = elements[lastIndex];
}
}
else
{
newObject = elements[lastIndex];
}
// Give the caller the chance to change the type of the chosen object
newObject = TranslateFromDisplayObject(lastIndex, newObject);
}
}
}
}
return(newObject);
}
return(value);
}
