/// <summary>
/// Add a ChangeProposal to change list of a related PreviewGroup.
/// </summary>
/// <param name="previewGroup">Preview group this change will be added to.</param>
/// <param name="change">The ChangeProposal.</param>
internal void AddChange(RefactoringPreviewGroup previewGroup, ChangeProposal change)
{
ArgumentValidation.CheckForNullReference(previewGroup, "previewGroup");
ArgumentValidation.CheckForNullReference(change, "change");
// First check if changes for same location exists or not, if exist, we will not add it anymore
var exist = false;
foreach (var existingChanges in _changeList.Values)
{
if (existingChanges.Contains(change))
{
exist = true;
break;
}
}
if (!exist)
{
HashSet <ChangeProposal> changes = null;
if (_changeList.TryGetValue(previewGroup, out changes) == false)
{
// There is no change list for this preview group,
// create one and add to the dictionary.
changes = new HashSet <ChangeProposal>();
_changeList.Add(previewGroup, changes);
}
// Add change to the change list.
changes.Add(change);
}
}
public PreviewChangesNode(
string displayText,
VSTREEDISPLAYDATA displayData,
string tooltipText,
List <PreviewChangesNode> childList,
ChangeProposal changeProposal)
{
_displayText = displayText;
_displayData = displayData;
_tooltipText = tooltipText;
_childList = childList;
ChangeProposal = changeProposal;
if (changeProposal != null &&
changeProposal.Included)
{
_checkState = __PREVIEWCHANGESITEMCHECKSTATE.PCCS_Checked;
}
else
{
_checkState = __PREVIEWCHANGESITEMCHECKSTATE.PCCS_Unchecked;
}
}
public PreviewChangesNode(
string displayText,
VSTREEDISPLAYDATA displayData,
string tooltipText,
List<PreviewChangesNode> childList,
ChangeProposal changeProposal)
{
_displayText = displayText;
_displayData = displayData;
_tooltipText = tooltipText;
_childList = childList;
ChangeProposal = changeProposal;
if (changeProposal != null
&& changeProposal.Included)
{
_checkState = __PREVIEWCHANGESITEMCHECKSTATE.PCCS_Checked;
}
else
{
_checkState = __PREVIEWCHANGESITEMCHECKSTATE.PCCS_Unchecked;
}
}
internal static void ApplyChangesToOneFile(
FileChange file, IVsTextLines textLines, bool createMarker, ChangeProposal changeToHighlight)
{
ArgumentValidation.CheckForNullReference(file, "file");
ArgumentValidation.CheckForNullReference(textLines, "textLines");
// Here we only work on text based ChangeProposal
// Sort all ChangeProposal in one file by the offset.
// After apply any change, the offset of next ChangeProposal will change.
// We need to sort all the changes first, so it will be easy to recalculate
// the new offset for next change.
var sortedChanges = SortChanges(file);
// Changes may cause the total line number of this file to be changed.
// This variable is used to keep this line changes.
var totalLineOffset = 0;
// In one line, changes may cause column number of that line to be changed.
// This variable is used to keep this column changes.
var totalColumnOffset = 0;
var pContent = IntPtr.Zero;
// Store result TextSpan info
var resultSpan = new[] { new TextSpan() };
foreach (var sortedChange in sortedChanges)
{
var change = sortedChange.Value;
// If user choose to apply this change
if (change.Included)
{
try
{
// If current change's StartLine is different from Last change's EndLine
// reset the columnOffset
if (resultSpan[0].iEndLine != change.StartLine + totalLineOffset)
{
totalColumnOffset = 0;
}
pContent = Marshal.StringToHGlobalAuto(change.NewValue);
// Calculate the current change's offset by applying lineOffset
// and columnOffset caused by previous changes
var startLine = change.StartLine + totalLineOffset;
var startColumn = change.StartColumn + totalColumnOffset;
var endLine = change.EndLine + totalLineOffset;
// Only apply columnOffset if current change's startLine is same as endLine
var endColumn = change.EndColumn + (startLine == endLine ? totalColumnOffset : 0);
textLines.ReplaceLines(
startLine, startColumn, endLine, endColumn,
pContent, change.NewValue.Length, resultSpan);
// Add the line offset caused by this change to total lineOffset;
var currentLineOffset = resultSpan[0].iEndLine - endLine;
totalLineOffset += currentLineOffset;
// Calculate the ColumnOffset after this change
totalColumnOffset = resultSpan[0].iEndIndex - change.EndColumn;
}
finally
{
if (pContent != IntPtr.Zero)
{
Marshal.FreeHGlobal(pContent);
}
}
}
// Create Marker for this change's textspan.
// If this change is the change to be highlighted, highlight it.
if (createMarker)
{
var textChangeToHighlight = changeToHighlight as TextChangeProposal;
var highlight = ((textChangeToHighlight != null) &&
(change.StartLine == textChangeToHighlight.StartLine) &&
(change.StartColumn == textChangeToHighlight.StartColumn));
CreateMarker(textLines, resultSpan[0], highlight);
}
}
}
/// <summary>
/// Add a ChangeProposal to change list of a related PreviewGroup.
/// </summary>
/// <param name="previewGroup">Preview group this change will be added to.</param>
/// <param name="change">The ChangeProposal.</param>
internal void AddChange(RefactoringPreviewGroup previewGroup, ChangeProposal change)
{
ArgumentValidation.CheckForNullReference(previewGroup, "previewGroup");
ArgumentValidation.CheckForNullReference(change, "change");
// First check if changes for same location exists or not, if exist, we will not add it anymore
var exist = false;
foreach (var existingChanges in _changeList.Values)
{
if (existingChanges.Contains(change))
{
exist = true;
break;
}
}
if (!exist)
{
HashSet<ChangeProposal> changes = null;
if (_changeList.TryGetValue(previewGroup, out changes) == false)
{
// There is no change list for this preview group,
// create one and add to the dictionary.
changes = new HashSet<ChangeProposal>();
_changeList.Add(previewGroup, changes);
}
// Add change to the change list.
changes.Add(change);
}
}
