/// <summary>
/// Displays one or two versions of a file in a diff-like view.
/// </summary>
/// <param name="fid"> File id </param>
/// <param name="userName"> User name </param>
/// <param name="vid1"> Version id on the left. If 0, the base version. </param>
/// <param name="vid2"> Version id on the right. If 0, the latest change. </param>
/// <param name="ignoreWhiteSpace"> Whether the diff algorithm should ignore white space. </param>
private void DisplayFile(int fid, string userName, int vid1, int vid2, bool ignoreWhiteSpace)
{
var fileQuery = from fl in DataContext.ChangeFiles where fl.Id == fid select fl;
if (fileQuery.Count() != 1)
{
ErrorOut("No such file!");
return;
}
HintsData.InDiffView = true;
ChangeFile file = fileQuery.Single();
AbstractedFileVersion[] versions = GetVersionsWithTextAbstract(fid);
if (versions.Length == 0)
{
ErrorOut("No versions submitted for this file.");
return;
}
if (vid1 == 0)
{
// By default, shows the diff between the last reviewed version of a file and the
// latest version of that file.
var latestReview = GetLatestUserReviewForChangeList(userName, file.ChangeListId);
if (latestReview != null)
{
foreach (var version in versions)
{
if (latestReview.TimeStamp.CompareTo(version.TimeStamp) > 0)
vid1 = version.Id;
}
// If the user has reviewed the latest change, they're probably taking another
// look, so show them the diff between the latest and latest-1 versions.
if (vid1 == versions[versions.Length - 1].Id && versions.Length > 1)
vid1 = versions[versions.Length - 2].Id;
}
// If no version picked above (because user has not reviewed the changelist)
// then just show the user the diff of the entire file change history.
if (vid1 == 0)
vid1 = versions[0].Id;
}
if (vid2 == 0)
vid2 = versions[versions.Length - 1].Id;
DisplayPageHeader(file.ServerFileName);
// Enclosing div (used to get shrink-to-contents behaviour for inner div).
var fileVersionsDivOuter = new Panel() { CssClass = "CssOuterDiv" };
ActivePage.Controls.Add(fileVersionsDivOuter);
var fileVersionsDiv = new Panel() { CssClass = "CssFileVersions" };
fileVersionsDivOuter.Add(fileVersionsDiv);
var fileVersionsFieldSet = new OptionSection(false) { Header = "File Versions" }
.AddTo(fileVersionsDiv);
string name = file.ServerFileName;
int lastForwardSlash = name.LastIndexOf('/');
if (lastForwardSlash >= 0)
name = name.Substring(lastForwardSlash + 1);
RadioButtonList leftList = new RadioButtonList();
fileVersionsFieldSet.Body.Add(leftList);
leftList.ID = "LeftFileVersion";
leftList.Items.AddRange(
(from ver in versions
select new ListItem(ComputeMoniker(name, ver), ver.Id.ToString()) { Selected = ver.Id == vid1 }).ToArray());
RadioButtonList rightList = new RadioButtonList();
fileVersionsFieldSet.Body.Add(rightList);
rightList.ID = "RightFileVersion";
rightList.Items.AddRange(
(from ver in versions
select new ListItem(ComputeMoniker(name, ver), ver.Id.ToString()) { Selected = ver.Id == vid2 }).ToArray());
if (versions.Length > 1)
HintsData.HaveMultipleVersions = true;
var selectVersionsPanel = new Panel() { CssClass = "ButtonPanel" }
.AddTo(fileVersionsFieldSet.Body);
var selectVersions = new Button()
{
Text = "Select",
ID = "selectversionsbutton",
CssClass = "button"
}.AddTo(selectVersionsPanel);
selectVersions.Click += new EventHandler(selectVersions_Clicked);
var filesQuery = (from fl in DataContext.ChangeFiles
where fl.ChangeListId == file.ChangeListId
join vr in DataContext.FileVersions on fl.Id equals vr.FileId
where vr.Text != null
orderby vr.Id
select fl).Distinct();
AddLabel("<br><br>");
BuildNavigationTable(file, filesQuery, vid1, vid2, ignoreWhiteSpace, 0);
if (!Page.IsPostBack)
{
int baseReviewId = GetBaseReviewId(userName, file.ChangeListId);
ClientScript.RegisterClientScriptBlock(this.GetType(), "username",
"<script type=\"text/javascript\">var username = \"" + userName + "\";</script>");
if (vid1 == vid2) // The same file - diff will be null.
{
var versionQuery = from vr in DataContext.FileVersions
where vr.Id == vid1
select vr;
if (versionQuery.Count() == 1)
{
FileVersion version = versionQuery.Single();
using (StreamCombiner text = GetFileStream(version))
{
if (text != null)
{
ActivePage.Controls.Add(GenerateFileDiffView(
text, vid1, GetComments(vid1, baseReviewId), name,
null, vid1, null, null,
true, null, name));
}
else
{
ErrorOut("No file here...");
}
}
}
else
{
ErrorOut("Multiple files detected here. Suspect a bug - please report!");
}
}
else
{
var versionQuery = from vr in DataContext.FileVersions
where vr.Id == vid1 || vr.Id == vid2
select vr;
if (versionQuery.Count() == 2)
{
FileVersion[] leftRight = versionQuery.ToArray();
FileVersion left, right;
if (leftRight[0].Id == vid1)
{
left = leftRight[0];
right = leftRight[1];
}
else
{
left = leftRight[1];
right = leftRight[0];
}
if (left.Revision == right.Revision)
{
//@TODO: I disabled this due to some issue I was having, but I can't remember what it
// was. Need to sit down and figure out what the issue was.
//if (left.IsFullText && !right.IsFullText && !ignoreWhiteSpaces)
//{
// StreamCombiner leftReader = new StreamCombiner(left.Text);
// StreamCombiner rightReader = new StreamCombiner(left.Text, right.Text);
// StreamCombiner rawDiffReader = new StreamCombiner(right.Text);
// ActivePage.Controls.Add(GenerateFileDiffView(
// leftReader, vid1, GetComments(vid1, baseReviewId),
// ComputeMoniker(name, left), rightReader, vid2, GetComments(vid2, baseReviewId),
// ComputeMoniker(name, right), true, rawDiffReader, name));
// leftReader.Close();
// rightReader.Close();
// rawDiffReader.Close();
//}
//else if (!left.IsFullText && right.IsFullText && !ignoreWhiteSpaces)
//{
// StreamCombiner leftReader = new StreamCombiner(right.Text, left.Text);
// StreamCombiner rightReader = new StreamCombiner(right.Text);
// StreamCombiner rawDiffReader = new StreamCombiner(left.Text);
// ActivePage.Controls.Add(GenerateFileDiffView(
// rightReader, vid2, GetComments(vid2, baseReviewId),
// ComputeMoniker(name, right), leftReader, vid1, GetComments(vid1, baseReviewId),
// ComputeMoniker(name, left), false, rawDiffReader, name));
// leftReader.Close();
// rightReader.Close();
// rawDiffReader.Close();
//}
//else
{
DisplayDiff(left, right, name, baseReviewId, ignoreWhiteSpace);
}
}
else
{
DisplayDiff(left, right, name, baseReviewId, ignoreWhiteSpace);
}
}
else
{
ErrorOut("Could not get the two files. Either a bug, or incorrect version specified!");
}
}
AddLabel("<br>");
}
BuildNavigationTable(file, filesQuery, vid1, vid2, ignoreWhiteSpace, 1);
}
/// <summary>
/// Displays and allows changing user preferences.
/// </summary>
/// <param name="sourceUrl"> The URL from which the request came. </param>
private void DisplaySettings(string sourceUrl)
{
DisplayPageHeader("Personalize Malevich to your taste!");
Panel page = new Panel() { CssClass = "CssSettingsPage" };
ActivePage.AddBreak();
ActivePage.Controls.Add(page);
UserContext uc = CurrentUserContext;
var settings = new Panel() { CssClass = "Accordion Settings" };
page.Add(settings);
// Fonts
string fonts = System.Configuration.ConfigurationSettings.AppSettings["fonts"];
if (fonts != null)
{
var section = new OptionSection()
{
Header = "File Viewer Font",
Description = "Choose the font to use when viewing files or diffs."
}
.AddTo(settings);
RadioButtonList textFonts = new RadioButtonList() { ID = "TextFont" }
.AddTo(section.Body);
string[] fontValues = fonts.Split(';');
foreach (string font in fontValues)
{
Match m = FontParser.Match(font);
if (!m.Success)
continue;
string fontName = m.Groups["fontname"].Value;
ListItem item = new ListItem();
item.Text = fontName;
item.Value = fontName;
if (uc.TextFont != null && uc.TextFont.EqualsIgnoreCase(fontName))
item.Selected = true;
textFonts.Items.Add(item);
}
}
{ // Font size
var section = new OptionSection()
{
Header = "File Viewer Font Size",
Description = "Choose a font for viewing files and diffs."
}
.AddTo(settings);
RadioButtonList textSize = new RadioButtonList() { ID = "TextSize" }
.AddTo(section.Body);
int defaultTextSize = 0;
if (uc.TextSize != null)
defaultTextSize = uc.TextSize.Value;
string[] textSizes = { "small", "medium", "large" };
for (int i = 0; i < textSizes.Length; ++i)
{
ListItem item = new ListItem();
item.Text = textSizes[i];
item.Value = textSizes[i];
if (i == defaultTextSize)
item.Selected = true;
textSize.Items.Add(item);
}
}
{ // Max chars per line
var section = new OptionSection()
{
Header = "File Viewer Line Length",
Description = "Choose number of characters per line in the file viewer and differ."
}
.AddTo(settings);
"Enter a value between 80 and 160, or clear the value to revert to the project default<p/>"
.AsLiteral()
.AddTo(section.Body);
TextBox tb = new TextBox()
{
ID = "MaxLineLength",
Text = (uc.MaxLineLength != null ? uc.MaxLineLength.Value.ToString() : "")
};
section.Body.Add(tb);
}
// Spaces in a tab
string tabOverrideAllowed = System.Configuration.ConfigurationSettings.AppSettings["allowTabOverride"];
if ("true".Equals(tabOverrideAllowed))
{
var section = new OptionSection()
{
Header = "File Viewer Tab Display Format",
Description = "Enter '\\t', 'n spaces', or nothing for site default.<p/>"
}
.AddTo(settings);
var tb = new TextBox() { ID = "SpacesPerTab" };
if (uc.SpacesPerTab != null)
tb.Text = uc.SpacesPerTab.Value == -1 ? "\\t" : (uc.SpacesPerTab.Value + " spaces");
section.Body.Add(tb);
}
{ // Unified view
var section = new OptionSection()
{
Header = "File Viewer Diff Style",
Description = "Use windiff-style differ?"
}
.AddTo(settings);
RadioButtonList windiff = new RadioButtonList() { ID = "UnifiedViewer" };
section.Body.Add(windiff);
windiff.Items.Add(new ListItem() { Text = "Yes", Value = "yes" });
windiff.Items.Add(new ListItem() { Text = "No", Value = "no" });
windiff.Items[(uc.UnifiedDiffView ?? false) ? 0 : 1].Selected = true;
}
{ // Comment creation mouse-click options.
var section = new OptionSection()
{
Header = "Commenting Mode",
Description = "Choose how comments are created."
}
.AddTo(settings);
var rbl = new RadioButtonList() { ID = "CommentClickMode" };
section.Body.Add(rbl);
rbl.Items.Add(new ListItem()
{
Text = "Single click anywhere creates comment.",
Value = CommentClickMode.SingleClickAnywhere.ToString(),
});
rbl.Items.Add(new ListItem()
{
Text = "Double click anywhere creates comment.",
Value = CommentClickMode.DoubleClickAnywhere.ToString(),
});
rbl.Items.Add(new ListItem()
{
Text = "Single click on line number creates comment",
Value = CommentClickMode.ClickLineNumber.ToString(),
});
rbl.Items[(int)uc.CommentClickMode].Selected = true;
}
{ // Empty comment collapse
var section = new OptionSection()
{
Header = "Comment Collapsing",
Description = "Automatically collapse empty comments?"
}
.AddTo(settings);
RadioButtonList autoCollapse = new RadioButtonList() { ID = "AutoCollapseComments" };
section.Body.Add(autoCollapse);
autoCollapse.Items.Add(new ListItem() { Text = "Yes", Value = "yes" });
autoCollapse.Items.Add(new ListItem() { Text = "No", Value = "no" });
autoCollapse.Items[(uc.AutoCollapseComments ?? true) ? 0 : 1].Selected = true;
}
{ // Hints
var section = new OptionSection()
{
Header = "Hints",
Description = "Show hints?"
}
.AddTo(settings);
RadioButtonList hints = new RadioButtonList() { ID = "Hints" };
section.Body.Add(hints);
hints.Items.Add(new ListItem() { Text = "Yes", Value = "yes" });
hints.Items.Add(new ListItem() { Text = "No", Value = "no" });
if ((uc.HintsMask ?? 0) != -1)
hints.Items.Add(new ListItem() { Text = "Reset hints", Value = "reset" });
hints.Items[(uc.HintsMask ?? 0) != -1 ? 0 : 1].Selected = true;
}
var buttons = new Panel() { CssClass = "CssButtonBar" }
.AddTo(page);
var submit = new Button()
{
Text = "Submit",
CssClass = "button",
}.AddTo(buttons);
submit.Click += new EventHandler(changeUserPrefs_Clicked);
var cancel = new Button()
{
Text = "Cancel",
CssClass = "button",
}.AddTo(buttons);
cancel.Click += new EventHandler(delegate(object sender, EventArgs e)
{
Response.Redirect(sourceUrl);
});
}