protected override void Undo(
BlockCommandContext context,
Block block)
{
// Revert the block type.
block.SetBlockType(previousBlockType);
}
public static void GetCounts(
IProjectPlugin project,
Block block,
out int count,
out int wordCount,
out int characterCount,
out int nonWhitespaceCount)
{
// Make sure we have a sane state.
if (project == null)
{
throw new ArgumentNullException("project");
}
if (block == null)
{
throw new ArgumentNullException("block");
}
// Figure out the root path for the various components.
HierarchicalPath rootPath = GetPluginRootPath(project);
count = GetCount(block, rootPath, "Total/" + CountType);
wordCount = GetCount(block, rootPath, "Total/" + WordCountType);
characterCount = GetCount(block, rootPath, "Total/" + CharacterCountType);
nonWhitespaceCount = GetCount(
block, rootPath, "Total/" + NonWhitespaceCountType);
}
protected override void Do(
BlockCommandContext context,
Block block)
{
// Save the previous text so we can restore it.
previousText = block.Text;
originalPosition = context.Position;
// Figure out what the new text string would be.
startIndex = BlockPosition.TextIndex.GetCharacterIndex(
block.Text, End, WordSearchDirection.Left);
int endIndex = End.GetCharacterIndex(
block.Text, TextIndex, WordSearchDirection.Right);
int firstIndex = Math.Min(startIndex, endIndex);
int lastIndex = Math.Max(startIndex, endIndex);
string newText = block.Text.Remove(firstIndex, lastIndex - firstIndex);
// Set the new text into the block. This will fire various events to
// trigger the immediate and background processing.
block.SetText(newText);
// Set the position after the next text.
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position = new BlockPosition(BlockKey, startIndex);
}
}
/// <summary>
/// Performs the command on the given block.
/// </summary>
/// <param name="context"></param>
/// <param name="block">The block to perform the action on.</param>
/// <param name="project">The project that contains the current state.</param>
protected override void Do(
BlockCommandContext context,
Block block)
{
// Save the previous text so we can undo it.
previousText = block.Text;
// Figure out what the new text string would be.
int textIndex = new CharacterPosition(TextIndex).GetCharacterIndex(
block.Text);
string newText = block.Text.Insert(textIndex, Text);
// Set the new text into the block. This will fire various events to
// trigger the immediate and background processing.
block.SetText(newText);
// After we insert text, we need to give the immediate editor plugins a
// chance to made any alterations to the output.
block.Project.Plugins.ProcessImmediateEdits(
context, block, textIndex + Text.Length);
// Set the new position in the buffer.
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position = new BlockPosition(BlockKey, textIndex + Text.Length);
}
}
protected override void Do(
BlockCommandContext context,
Block block)
{
// Pull out some common elements we'll need.
ProjectBlockCollection blocks = block.Blocks;
int blockIndex = blocks.IndexOf(block) + 1;
// Because of how block keys work, the ID is unique very time so we have
// to update our inverse operation.
addedBlocks.Clear();
// Go through and create each block at a time, adding it to the inverse
// command as we create them.
for (int count = 0;
count < Count;
count++)
{
// Create and insert a new block into the system.
var newBlock = new Block(blocks);
blocks.Insert(blockIndex, newBlock);
// Keep track of the block so we can remove them later.
addedBlocks.Add(newBlock);
// Update the position.
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position = new BlockPosition(newBlock.BlockKey, 0);
}
}
}
public InsertIndexedBlockCommand(
int blockIndex,
Block block)
{
BlockIndex = blockIndex;
Block = block;
UpdateTextPosition = DoTypes.All;
}
protected override void Undo(
BlockCommandContext context,
Block block)
{
block.SetText(previousText);
if (UpdateTextPosition.HasFlag(DoTypes.Undo))
{
context.Position = new BlockPosition(BlockKey, previousText.Length);
}
}
public BlockAnalyzer(
Block block,
int blockVersion,
IList<IBlockAnalyzerProjectPlugin> blockAnalyzers,
HashSet<IBlockAnalyzerProjectPlugin> analysis)
{
Block = block;
BlockVersion = blockVersion;
BlockAnalyzers = blockAnalyzers;
Analysis = analysis;
}
protected override void Do(
BlockCommandContext context,
Block block)
{
previousText = block.Text;
block.SetText(Text);
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position = new BlockPosition(BlockKey, Text.Length);
}
}
public void Do(BlockCommandContext context)
{
using (context.Blocks.AcquireLock(RequestLock.Write))
{
// We need the index of the block so we can restore it back into
// its place.
Block block = context.Blocks[blockKey];
removedBlockIndex = context.Blocks.IndexOf(blockKey);
removedBlock = block;
// Delete the block from the list.
context.Blocks.Remove(block);
// If we have no more blocks, then we need to ensure we have a minimum
// number of blocks.
addedBlankBlock = null;
if (!IgnoreMinimumLines
&& context.Blocks.Count == 0)
{
// Create a new placeholder block, which is blank.
addedBlankBlock = new Block(
context.Blocks, block.Project.BlockTypes.Paragraph);
context.Blocks.Add(addedBlankBlock);
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position = new BlockPosition(addedBlankBlock.BlockKey, 0);
}
}
else if (!IgnoreMinimumLines)
{
// We have to figure out where the cursor would be after this operation.
// Ideally, this would be the block in the current position, but if this
// is the last line, then use that.
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position =
new BlockPosition(
removedBlockIndex < context.Blocks.Count
? context.Blocks[removedBlockIndex].BlockKey
: context.Blocks[removedBlockIndex - 1].BlockKey,
0);
}
}
}
}
protected override void Do(
BlockCommandContext context,
Block block)
{
// We need to keep track of the previous block type so we can change
// it back with Undo.
previousBlockType = block.BlockType;
// Set the block type.
block.SetBlockType(BlockType);
// Save the position from this command.
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position = new BlockPosition(BlockKey, 0);
}
}
public void ProcessImmediateEdits(
BlockCommandContext context,
Block block,
int textIndex)
{
// Get the plugin settings from the project.
ImmediateBlockTypesSettings settings = Settings;
// Grab the substring from the beginning to the index and compare that
// in the dictionary.
string text = block.Text.Substring(0, textIndex);
if (!settings.Replacements.ContainsKey(text))
{
// We want to fail as fast as possible.
return;
}
// If the block type is already set to the same name, skip it.
string blockTypeName = settings.Replacements[text];
BlockType blockType = Project.BlockTypes[blockTypeName];
if (block.BlockType == blockType)
{
return;
}
// Perform the substitution with a replace operation and a block change
// operation.
var replaceCommand =
new ReplaceTextCommand(
new BlockPosition(block.BlockKey, 0), textIndex, string.Empty);
var changeCommand = new ChangeBlockTypeCommand(block.BlockKey, blockType);
// Create a composite command that binds everything together.
var compositeCommand = new CompositeCommand<BlockCommandContext>(true, false);
compositeCommand.Commands.Add(replaceCommand);
compositeCommand.Commands.Add(changeCommand);
// Add the command to the deferred execution so the command could
// be properly handled via the undo/redo management.
block.Project.Commands.DeferDo(compositeCommand);
}
/// <summary>
/// Gets the deltas as a dictionary of key and deltas for the block.
/// </summary>
/// <param name="project">The project.</param>
/// <param name="block">The block.</param>
/// <param name="wordDelta">The word delta.</param>
/// <param name="characterDelta">The character delta.</param>
/// <param name="nonWhitespaceDelta">The non whitespace delta.</param>
/// <returns>
/// A dictionary of paths and deltas.
/// </returns>
public static Dictionary<HierarchicalPath, int> GetDeltas(
IProjectPlugin project,
Block block,
int delta,
int wordDelta,
int characterDelta,
int nonWhitespaceDelta)
{
// Make sure we have a sane arguments.
if (project == null)
{
throw new ArgumentNullException("project");
}
if (block == null)
{
throw new ArgumentNullException("block");
}
// Create the dictionary and figure out the top-level elements.
var deltas = new Dictionary<HierarchicalPath, int>();
HierarchicalPath rootPath = GetPluginRootPath(project);
// Add in the path for the totals.
var totalPath = new HierarchicalPath("Total", rootPath);
AddDeltas(
deltas, totalPath, delta, wordDelta, characterDelta, nonWhitespaceDelta);
// Add in a block-type specific path along with a counter.
string relativeBlockPath = "Block Types/" + block.BlockType.Name;
var blockPath = new HierarchicalPath(relativeBlockPath, rootPath);
AddDeltas(
deltas, blockPath, delta, wordDelta, characterDelta, nonWhitespaceDelta);
// Return the resulting delta.
return deltas;
}
/// <summary>
/// Raises an event that a block's text spans had changed.
/// </summary>
/// <param name="block"></param>
public void RaiseTextSpansChanged(Block block)
{
EventHandler<BlockEventArgs> listeners = TextSpansChanged;
if (listeners != null)
{
var args = new BlockEventArgs(block);
listeners(this, args);
}
}
/// <summary>
/// Ensures the minimum blocks inside the collection.
/// </summary>
private void EnsureMinimumBlocks()
{
if (Count == 0)
{
var initialBlock = new Block(this);
Add(initialBlock);
}
}
public void ProcessImmediateEdits(
BlockCommandContext context,
Block block,
int textIndex)
{
// If we aren't optimized, we have to pull the settings back in from the
// project settings and optimize them.
if (!optimizedSubstitions)
{
RetrieveSettings();
}
// Pull out the edit text and add a leading space to simplify the
// "whole word" substitutions.
string editText = block.Text.Substring(0, textIndex);
if (editText.Length - 1 < 0)
{
return;
}
// Figure out if we're at a word break.
char finalCharacter = editText[editText.Length - 1];
bool isWordBreak = char.IsPunctuation(finalCharacter)
|| char.IsWhiteSpace(finalCharacter);
// Go through the substitution elements and look for each one.
foreach (RegisteredSubstitution substitution in Substitutions)
{
// If we are doing whole word searches, then we don't bother if
// the final character isn't a word break or if it isn't a word
// break before it.
ReplaceTextCommand command;
int searchLength = substitution.Search.Length;
int startSearchIndex = editText.Length - searchLength;
// If we are going to be searching before the string, then this
// search term will never be valid.
if (startSearchIndex < 0)
{
continue;
}
// Do the search based on the whole word or suffix search.
if (substitution.IsWholeWord)
{
// Check to see if we have a valid search term.
if (!isWordBreak)
{
continue;
}
if (startSearchIndex > 0
&& char.IsPunctuation(editText[startSearchIndex - 1]))
{
continue;
}
if (startSearchIndex - 1 < 0)
{
continue;
}
// Make sure the string we're looking at actually is the same.
string editSubstring = editText.Substring(
startSearchIndex - 1, substitution.Search.Length);
if (editSubstring != substitution.Search)
{
// The words don't match.
continue;
}
// Perform the substitution with a replace operation.
command =
new ReplaceTextCommand(
new BlockPosition(block.BlockKey, startSearchIndex - 1),
searchLength + 1,
substitution.Replacement + finalCharacter);
}
else
{
// Perform a straight comparison search.
if (!editText.EndsWith(substitution.Search))
{
continue;
}
// Figure out the replace operation.
command =
new ReplaceTextCommand(
new BlockPosition(block.BlockKey, startSearchIndex),
searchLength,
substitution.Replacement);
}
// Add the command to the deferred execution so the command could
// be properly handled via the undo/redo management.
block.Project.Commands.DeferDo(command);
}
}
public void AnalyzeBlock(
Block block,
int blockVersion)
{
// Grab the information about the block.
string text;
var originalMispelledWords = new TextSpanCollection();
using (block.AcquireBlockLock(RequestLock.Read))
{
// If we are stale, then break out.
if (block.IsStale(blockVersion))
{
return;
}
// Grab the information from the block. We need the text and
// alow the current spelling areas.
text = block.Text;
originalMispelledWords.AddRange(
block.TextSpans.Where(span => span.Controller == this));
}
// Split the word and perform spell-checking.
var misspelledWords = new List<TextSpan>();
IList<TextSpan> words = Splitter.SplitAndNormalize(text);
IEnumerable<TextSpan> misspelledSpans =
words.Where(span => !IsCorrect(span.GetText(text)));
foreach (TextSpan span in misspelledSpans)
{
// We aren't correct, so add it to the list.
span.Controller = this;
misspelledWords.Add(span);
}
// Look to see if we have any change from the original spelling
// errors and this one. This will only happen if the count is
// identical and every one in the original list is in the new list.
if (originalMispelledWords.Count == misspelledWords.Count)
{
bool isMatch = originalMispelledWords.All(misspelledWords.Contains);
if (isMatch)
{
// There are no new changes, so we don't have anything to
// update.
return;
}
}
// Inside a write lock, we need to make modifications to the block's list.
using (block.AcquireBlockLock(RequestLock.Write))
{
// Check one last time to see if the block is stale.
if (block.IsStale(blockVersion))
{
return;
}
// Make the changes to the block's contents.
block.TextSpans.Remove(this);
block.TextSpans.AddRange(misspelledWords);
// Raise that we changed the spelling on the block.
block.RaiseTextSpansChanged();
}
}
/// <summary>
/// Gets the editor actions associated with the given TextSpan.
/// </summary>
/// <param name="block">The block.</param>
/// <param name="textSpan">The text span.</param>
/// <returns>
/// A list of editor actions associated with this span.
/// </returns>
/// <remarks>
/// This will be called within a read-only lock.
/// </remarks>
public IList<IEditorAction> GetEditorActions(
Block block,
TextSpan textSpan)
{
// We only get to this point if we have a misspelled word.
string word = textSpan.GetText(block.Text);
// Get the suggestions for the word.
IList<SpellingSuggestion> suggestions = GetSuggestions(word);
// Go through the suggestions and create an editor action for each one.
// These will already be ordered coming out of the GetSuggestions()
// method.
BlockCommandSupervisor commands = block.Project.Commands;
var actions = new List<IEditorAction>(suggestions.Count);
foreach (SpellingSuggestion suggestion in suggestions)
{
// Figure out the operation we'll be using to implement the change.
var command =
new ReplaceTextCommand(
new BlockPosition(block.BlockKey, textSpan.StartTextIndex),
textSpan.Length,
suggestion.Suggestion);
// Create the suggestion action, along with the replacement command.
var action =
new EditorAction(
string.Format("Change to \"{0}\"", suggestion.Suggestion),
new HierarchicalPath("/Plugins/Spelling/Change"),
context => commands.Do(command, context));
actions.Add(action);
}
// Add the additional editor actions from the plugins.
foreach (ISpellingProjectPlugin controller in SpellingControllers)
{
IEnumerable<IEditorAction> additionalActions =
controller.GetAdditionalEditorActions(word);
actions.AddRange(additionalActions);
}
// Return all the change actions.
return actions;
}
/// <summary>
/// Analyzes the block and counts the word. Once counted, this updates
/// the block and all parent blocks with the altered change.
/// </summary>
/// <param name="block">The block.</param>
/// <param name="blockVersion">The block version of the initial request.</param>
public void AnalyzeBlock(
Block block,
int blockVersion)
{
// Grab counts from the current block text.
int newCount = 1;
int newWordCount;
int newCharacterCount;
int newNonWhitespaceCount;
string text = block.Text;
WordCounter.CountWords(
text, out newWordCount, out newCharacterCount, out newNonWhitespaceCount);
// Grab the existing counts from the current block, if we have one.
int oldCount;
int oldWordCount;
int oldCharacterCount;
int oldNonWhitespaceCount;
WordCounterPathUtility.GetCounts(
this,
block,
out oldCount,
out oldWordCount,
out oldCharacterCount,
out oldNonWhitespaceCount);
// Calculate the deltas between the values.
int delta = newCount - oldCount;
int wordDelta = newWordCount - oldWordCount;
int characterDelta = newCharacterCount - oldCharacterCount;
int nonWhitespaceDelta = newNonWhitespaceCount - oldNonWhitespaceCount;
// Build up a dictionary of changes so we can have a simple loop to
// set them in the various elements.
Dictionary<HierarchicalPath, int> deltas =
WordCounterPathUtility.GetDeltas(
this, block, delta, wordDelta, characterDelta, nonWhitespaceDelta);
// Get a write lock on the blocks list and update that block and all
// parent blocks in the document.
using (block.AcquireBlockLock(RequestLock.Write))
{
// Log that we are analyzing this block.
Log("BEGIN AnalyzeBlock: {0}: Words {1:N0}", block, newWordCount);
// First check to see if we've gotten stale.
if (block.IsStale(blockVersion))
{
return;
}
// Update the block and the document.
UpdateDeltas(block, deltas);
UpdateDeltas(block.Project, deltas);
// Log that we finished processing this block.
Log("END AnalyzeBlock: {0}: Words {1:N0}", block, newWordCount);
}
}
/// <summary>
/// Inserts the lines.
/// </summary>
/// <param name="project">The project.</param>
/// <param name="lineCount">The line count.</param>
private void InsertLines(
Project project,
int lineCount)
{
// Pull out some useful variables.
ProjectBlockCollection blocks = project.Blocks;
// Modify the first line, which is always there.
using (blocks[0].AcquireBlockLock(RequestLock.Write))
{
blocks[0].SetText("Line 1");
}
// Add in the additional lines after the first one.
for (int i = 1;
i < lineCount;
i++)
{
var block = new Block(blocks);
using (block.AcquireBlockLock(RequestLock.Write))
{
block.SetText("Line " + (i + 1));
}
blocks.Add(block);
}
}
/// <summary>
/// Gets the editor actions for a given text span.
/// </summary>
/// <param name="block">The block.</param>
/// <param name="textSpan">The text span.</param>
/// <returns></returns>
public IList<IEditorAction> GetEditorActions(
Block block,
TextSpan textSpan)
{
// Loop through all the text span controllers and add their actions to
// the list.
IEnumerable<ProjectPluginController> controllers =
Controllers.Where(
controller => controller.ProjectPlugin is ITextControllerProjectPlugin);
var actions = new List<IEditorAction>();
foreach (ProjectPluginController controller in controllers)
{
var textSpanController =
(ITextControllerProjectPlugin) controller.ProjectPlugin;
IList<IEditorAction> controllerActions =
textSpanController.GetEditorActions(block, textSpan);
actions.AddRange(controllerActions);
}
// Return the resulting list of actions.
return actions;
}
/// <summary>
/// Acquires a lock on the collection, of the requested type, and also a lock
/// on the block referenced by the index.
/// </summary>
/// <param name="blockIndex">The index of the block to lock.</param>
/// <param name="block">The block retrieved by the index.</param>
/// <param name="requestedBlockLock"></param>
/// <returns>An opaque lock object that will release the lock on disposal.</returns>
public IDisposable AcquireBlockLock(
RequestLock requestedBlockLock,
int blockIndex,
out Block block)
{
return AcquireBlockLock(
RequestLock.Read, requestedBlockLock, blockIndex, out block);
}
public void Do(BlockCommandContext context)
{
// We have to clear the undo buffer every time because we'll be creating
// new blocks.
addedBlocks.Clear();
// Start by breaking apart the lines on the newline.
string[] lines = Text.Split('\n');
// Make changes to the first line by creating a command, adding it to the
// list of commands we need an inverse for, and then performing it.
Block block = context.Blocks[BlockPosition.BlockKey];
string remainingText = block.Text.Substring((int) BlockPosition.TextIndex);
deleteFirstCommand = new DeleteTextCommand(BlockPosition, block.Text.Length);
insertFirstCommand = new InsertTextCommand(BlockPosition, lines[0]);
deleteFirstCommand.Do(context);
insertFirstCommand.Do(context);
// Update the final lines text with the remains of the first line.
int lastLineLength = lines[lines.Length - 1].Length;
lines[lines.Length - 1] += remainingText;
// For the remaining lines, we need to insert each one in turn.
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position = BlockPosition.Empty;
}
if (lines.Length > 1)
{
// Go through all the lines in reverse order to insert them.
int firstBlockIndex = context.Blocks.IndexOf(block);
for (int i = lines.Length - 1;
i > 0;
i--)
{
// Insert the line and set its text value.
var newBlock = new Block(context.Blocks);
addedBlocks.Add(newBlock);
using (newBlock.AcquireBlockLock(RequestLock.Write))
{
newBlock.SetText(lines[i]);
}
context.Blocks.Insert(firstBlockIndex + 1, newBlock);
// Update the last position as we go.
if (context.Position == BlockPosition.Empty)
{
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position = new BlockPosition(
newBlock.BlockKey, (CharacterPosition) lastLineLength);
}
}
}
}
}
public void ChangeBlockType(
Block block,
BlockType oldBlockType)
{
// We need a write lock on the blocks while we make this change.
using (block.AcquireBlockLock(RequestLock.Write))
{
// Report what we're doing if we have logging on.
Log("ChangeBlockType: {0}: Old Type {1}", block, oldBlockType);
//// Figure out the deltas for this block.
//var deltas = new Dictionary<HierarchicalPath, int>();
//deltas[WordCounterPathUtility.GetPath(oldBlockType)] = -1;
//deltas[WordCounterPathUtility.GetPath(block.BlockType)] = 1;
//// Update the parent types.
//UpdateDeltas(block, deltas);
//UpdateDeltas(block.Project, deltas);
}
}
public void Undo(BlockCommandContext context)
{
using (context.Blocks.AcquireLock(RequestLock.Write))
{
// Insert in the old block.
context.Blocks.Insert(removedBlockIndex, removedBlock);
// Set the last text position.
if (UpdateTextPosition.HasFlag(DoTypes.Undo))
{
context.Position = new BlockPosition(blockKey, removedBlock.Text.Length);
}
// Remove the blank block, if we added one.
if (addedBlankBlock != null)
{
context.Blocks.Remove(addedBlankBlock);
addedBlankBlock = null;
}
}
}
protected override void Undo(
BlockCommandContext context,
Block block)
{
foreach (Block addedBlock in addedBlocks)
{
context.Blocks.Remove(addedBlock);
}
if (UpdateTextPosition.HasFlag(DoTypes.Undo))
{
context.Position = new BlockPosition(BlockKey, block.Text.Length);
}
}
/// <summary>
/// Processes any block analysis on the given block.
/// </summary>
/// <param name="block">The block.</param>
public async void ProcessBlockAnalysis(Block block)
{
// If we don't have any analysis controllers, we don't have to do anything.
if (BlockAnalyzers.Count == 0)
{
return;
}
// Keep track of the running tasks so we can wait for them to finish
// (if needed).
Interlocked.Increment(ref tasksRunning);
try
{
// Grab information about the block inside a read lock.
int blockVersion;
HashSet<IBlockAnalyzerProjectPlugin> analysis;
using (block.AcquireBlockLock(RequestLock.Read))
{
blockVersion = block.Version;
analysis = block.GetAnalysis();
}
// Create a background task that will analyze the block. This will return
// false if the block had changed in the process of analysis (which would
// have triggered another background task).
var analyzer = new BlockAnalyzer(
block, blockVersion, BlockAnalyzers, analysis);
Task task = Task.Factory.StartNew(analyzer.Run);
// Wait for the task to complete in the background so we can then
// decrement our running counter.
await task;
}
finally
{
// Decrement the counter to keep track of running tasks.
Interlocked.Decrement(ref tasksRunning);
}
}
/// <summary>
/// Checks for immediate edits on a block. This is intended to be a blocking
/// editing that will always happen within a write lock.
/// </summary>
/// <param name="context">The context of the edit just performed.</param>
/// <param name="block">The block associated with the current changes.</param>
/// <param name="textIndex">Index of the text inside the block.</param>
public void ProcessImmediateEdits(
BlockCommandContext context,
Block block,
int textIndex)
{
foreach (
IImmediateEditorProjectPlugin immediateBlockEditor in ImmediateEditors)
{
immediateBlockEditor.ProcessImmediateEdits(context, block, textIndex);
}
}
public override LineBufferOperationResults InsertLines(
int lineIndex,
int count)
{
var composite = new CompositeCommand<BlockCommandContext>(true, false);
using (project.Blocks.AcquireLock(RequestLock.Write))
{
for (int i = 0;
i < count;
i++)
{
var block = new Block(project.Blocks);
var command = new InsertIndexedBlockCommand(lineIndex, block);
composite.Commands.Add(command);
}
var context = new BlockCommandContext(project);
project.Commands.Do(composite, context);
return GetOperationResults();
}
}
protected abstract void Undo( BlockCommandContext context, Block block);
