/// <summary>
/// Calculates the line count.
/// </summary>
/// <param name="editFieldEntry">The edit field entry.</param>
public void CalculateLineCount(EditField_DialogEntry editFieldEntry)
{
if (editFieldEntry != null && editFieldEntry.InputBox != null && CharsPerLine > 0)
{
switch (editFieldEntry.InputBox.BoxHeightType)
{
case BoxHeightTypes.TextLength:
if (editFieldEntry.Title != null)
{
//Only as big as needed to show current content
LineCount = (int)Math.Ceiling(editFieldEntry.Title.Length / (double)CharsPerLine);
}
break;
case BoxHeightTypes.MaximumTextLength:
if (editFieldEntry.Validator != null && editFieldEntry.Validator.MaxTextLength > 0)
{
//maximum allowed space for content box
LineCount = (int)Math.Ceiling(editFieldEntry.Validator.MaxTextLength / (double)CharsPerLine);
}
break;
case BoxHeightTypes.Unknown:
case BoxHeightTypes.SingleLine:
default:
LineCount = 1;
break;
}
if (LineCount <= 0)
{
LineCount = 1;
}
}
}
/// <summary>
/// Renders the label.
/// </summary>
/// <param name="entry">The entry.</param>
/// <param name="view">The view.</param>
/// <returns></returns>
public bool[,] RenderLabel(EditField_DialogEntry entry, IViewBoxModel view)
{
bool[,] labelMatrix = emptyMatrix;
if (cachedLabelMatrix == null)
{
if (view != null && entry != null && entry.HasLabel)
{
string titleBackup = entry.Title;
this.Entry.Title = entry.Label;
labelMatrix = renderDialogEntry(view);
cachedLabelMatrix = labelMatrix;
this.Entry.Title = titleBackup;
lastLabel = entry.Label;
}
}
else
{
labelMatrix = (bool[, ])cachedLabelMatrix.Clone();
}
return(labelMatrix);
}
/// <summary>
/// Calculates the box properties.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="entry">The entry.</param>
public void CalculateBoxProperties(IViewBoxModel view, EditField_DialogEntry entry)
{
if (view != null && entry != null)
{
calculateLineWidth(view);
calculateLineContentWidth();
calculateCharsPerLine();
CalculateLineCount(entry);
CalculateLineContentHeight(view);
CalculateBoxDimensions(view, entry);
}
}
/// <summary>
/// Calculates the box dimensions.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="editFieldEntry">The edit field entry.</param>
/// <param name="lineContentWidth">Width of the line content.</param>
/// <param name="lineWidth">Width of the line.</param>
/// <param name="lineCount">The line count.</param>
/// <returns></returns>
public void CalculateBoxDimensions(IViewBoxModel view, EditField_DialogEntry editFieldEntry)
{
Point dimensions = new Point(0, 0);
if (view != null)
{
if (editFieldEntry != null && editFieldEntry.InputBox != null && editFieldEntry.InputBox.IsMinimized && LineWidth != null)
{
dimensions = new Point(LineWidth, CHAR_HEIGHT + (2 * BORDER_THICKNESS));
}
else if (LineWidth > 0 && LineContentHeight > 0)
{
dimensions = new Point(LineWidth, LineContentHeight);
}
}
BoxDimensions = dimensions;
}
/*Checks if Cursor should be shown/hidden/updated.*/
private void handleCursorBlinking(EditField_DialogEntry localEntry)
{
if (localEntry != null)
{
if (localEntry.Status.HasFlag(DialogEntryStatus.Editing))
{
if (cursorRenderer.ShouldCursorToggle(localEntry))
{
cursorHasChanged = true;
}
}
else if (!localEntry.Status.HasFlag(DialogEntryStatus.Editing) && cursorRenderer.ShowCursorForBlinking)
{
cursorRenderer.ShowCursorForBlinking = false;
cursorHasChanged = true;
}
}
}
/// <summary>
/// Inserts the rendered dialog elements in the list of rendered elements.
/// </summary>
/// <param name="entry">The entry.</param>
/// <param name="verticalOffset">The vertical offset where the elements starts.</param>
/// <param name="width">The minimum width of this element.</param>
protected virtual void insertIntoRenderedElements(RenderedDialogEntry entry, int verticalOffset, int horizontalOffset = 0, int minWidth = 0)
{
if (entry.M != null && (entry.M.GetLength(0) * entry.M.GetLength(1) > 0))
{
if (entry.Entry != null)
{
RenderElement renderElement = new RenderElement(
horizontalOffset, verticalOffset,
Math.Max(minWidth, entry.M.GetLength(1)), entry.M.GetLength(0) + 1, // add one pin space underneath for the selection marking
entry.Entry);
//DISPLAY NAME FOR SINGLE LINE ITEMS
if (entry.Entry.Type == DialogEntryType.EditField)
{
EditField_DialogEntry editField = (EditField_DialogEntry)entry.Entry;
if (editField != null && (editField.InputBox.IsMinimized || editField.InputBox.BoxHeightType == BoxHeightTypes.SingleLine || editField.InputBox.MinimizeType == MinimizeTypes.AlwaysMinimize))
{
renderElement.DisplayName = ((EditFieldRenderer)editField.Renderer).GetLastTitleSegment();
}
else
{
renderElement.DisplayName = editField.Title;
}
if (editField.HasLabel)
{
renderElement.DisplayName = editField.Label + " " + renderElement.DisplayName;
}
}
RenderedElements.Add(renderElement);
}
else if (entry.RenderedElements != null && entry.RenderedElements.Count > 0)
{
foreach (var item in entry.RenderedElements)
{
RenderedElements.Add(item);
}
}
}
}
/// <summary>
/// Renders a content object into an boolean matrix;
/// while <c>true</c> values indicating raised pins and <c>false</c> values indicating lowered pins
/// Special Renderer for the EditField types.
/// </summary>
/// <param name="view">The frame to render in. This gives access to the space to render and other parameters. Normally this is a IBrailleIOViewRange.</param>
/// <param name="content">The content to render.</param>
/// <returns>
/// A two dimensional boolean M x N matrix (bool[M,N]) where M is the count of rows (this is height)
/// and N is the count of columns (which is the width).
/// Positions in the Matrix are of type [i,j]
/// while i is the index of the row (is the y position)
/// and j is the index of the column (is the x position).
/// In the matrix <c>true</c> values indicating raised pins and <c>false</c> values indicating lowered pins
/// </returns>
/// <remarks>
/// Ignores the set content if this render has its own DialogEntry
/// </remarks>
public override bool[,] RenderMatrix(IViewBoxModel view, object content)
{
bool[,] m = emptyMatrix;
if (view != null && content != null && content is EditField_DialogEntry)
{
Entry = content as EditField_DialogEntry;
editFieldEntry = (EditField_DialogEntry)Entry;
/*EditField items with unknown Box types will be displayed as normal dialog entries.*/
if (editFieldEntry != null && editFieldEntry.InputBox != null && editFieldEntry.InputBox.BoxHeightType != BoxHeightTypes.Unknown && editFieldEntry.InputBox.MinimizeType != MinimizeTypes.Unknown)
{
HasChanged = changeOccured(view);
handleCursorBlinking(editFieldEntry);
/*If a cached version exists and nothing has changed, use already cached matrix. Else recalculate.*/
if (cachedFinalMatrix == null || HasChanged)
{
lock (SyncLock)
{
m = buildCachedFinalMatrix(view);
cachedFinalMatrix = (bool[, ])m.Clone();
titleHasChanged = false;
borderOrEdgeHaveChanged = false;
cursorHasChanged = false;
}
}
else
{
m = cachedFinalMatrix;
}
}
else
{
m = renderDialogEntry(view);
}
}
return(m);
}
/// <summary>
/// Renders a single line type edit field.
/// </summary>
/// <param name="view">The view.</param>
/// <returns></returns>
private bool[,] renderSingleLineTitle(IViewBoxModel view, EditField_DialogEntry entry, int LineContentWidth, int LineCount, int CharsPerLine, Boolean needsUpdate)
{
bool[,] renderedText = emptyMatrix;
if (view != null && Entry != null && entry != null && entry.Title != null)
{
int width = LineContentWidth - (CHAR_WIDTH * DOTAMOUNT);
string titleSegment = "";
string titleBackup = Entry.Title;
titleSegment = getTitleSegmentOfSingleLine(width, Entry.Title, entry.GetCursorPosition(), CharsPerLine, needsUpdate);
Entry.Title = titleSegment;
renderedText = renderDialogEntry(view);
Entry.Title = titleBackup;
LastTitleSegment = titleSegment;
}
return(renderedText);
}
public Boolean ShouldCursorToggle(EditField_DialogEntry localEntry)
{
Boolean shouldCursorBeShown = false;
if (localEntry != null && FrameCount != null)
{
FrameCount++;
if (FrameCount >= FRAME_COUNT_LIMIT && ShowCursorForBlinking != null)
{
if (ShowCursorForBlinking)
{
ShowCursorForBlinking = false;
}
else
{
ShowCursorForBlinking = true;
}
FrameCount = 0;
shouldCursorBeShown = true;
}
}
return(shouldCursorBeShown);
}
/// <summary>
/// Renders the cursor into the title matrix.
/// </summary>
/// <param name="renderedText">The rendered text.</param>
/// <param name="position">The position.</param>
/// <returns></returns>
/// TODO Edit XML Comment Template for renderCursorIntoTitleMatrix
public bool[,] renderCursorIntoTitleMatrix(bool[,] renderedText, EditField_DialogEntry entry, int position, Boolean needsUpdate)
{
if (renderedText != null && position != null && entry != null && ShowCursorForBlinking)
{
if (cachedCursorMatrix != null && !needsUpdate)
{
renderedText = cachedCursorMatrix;
}
else
{
if (INTER_CHAR_WIDTH > 0)
{
renderedText = renderCursorAsVerticalLine(renderedText, position, entry.Title);
}
else
{
renderedText = renderCursorAsDot(renderedText, position, entry.Title);
}
cachedCursorMatrix = (bool[, ])renderedText.Clone();
}
}
return(renderedText);
}
/// <summary>
/// Renders the title matrix. Is the content of the edit field box.
/// </summary>
/// <param name="view">The view.</param>
/// <returns></returns>
public bool[,] RenderTitleMatrix(IViewBoxModel view, EditField_DialogEntry entry, int LineContentWidth, int LineCount, int CharsPerLine, Boolean needsUpdate)
{
bool[,] renderedText = new bool[0, 0];
if (view != null && entry != null)
{
if (!needsUpdate && cachedTitleMatrix != null)
{
renderedText = (bool[, ])cachedTitleMatrix.Clone();
}
else
{
Entry = entry;
/*Content of Box has smaller Space, so temporary view with smaller content box is needed.*/
IViewBoxModel smallerView = new DummyViewBox(view);
Rectangle contentBox = smallerView.ContentBox;
//+1 da sonst statt 105, 104 raus kommt. Benötigt wird %mod3
contentBox.Width = LineContentWidth + 1;
smallerView.ContentBox = contentBox;
if (entry.Title.Length == 0)
{
//if content is empty
renderedText = new bool[CHAR_HEIGHT, LineContentWidth];
}
else if (entry.Title.Length * CHAR_WIDTH > LineContentWidth && (entry.InputBox.BoxHeightType == BoxHeightTypes.SingleLine || entry.InputBox.MinimizeType == MinimizeTypes.AlwaysMinimize))
{
//if editfield box is always minimized or single line type and bigger than a simple line
renderedText = renderSingleLineTitle(smallerView, entry, LineContentWidth, LineCount, CharsPerLine, needsUpdate);
}
else
{
//If through Minimization some text will not be shown until further action. show "TEXTPART...." instead
if (entry.InputBox.IsMinimized && (entry.InputBox.MinimizeType != MinimizeTypes.NeverMinimize) && entry.Title.Length > CharsPerLine)
{
//backup title, since entry is needed for rendering, but title will be displayed shortened
string titleBackup = entry.Title;
LastTitleSegment = entry.Title.Substring(0, (CharsPerLine - DOTAMOUNT)) + ALLDOTS;
entry.Title = LastTitleSegment;
renderedText = renderDialogEntry(smallerView);
entry.Title = titleBackup;
}
//if edit field box will be a simple line: default rendering
else if (LineCount == 1)
{
renderedText = renderDialogEntry(smallerView);
}
//if edit field box will have more than one line
else
{
renderedText = renderMultiLineTitle(smallerView, entry, LineContentWidth, LineCount, CharsPerLine);
}
};
if (renderedText.GetLength(0) == 0 && renderedText.GetLength(1) == 0)
{
renderedText = new bool[4, LineContentWidth];
}
cachedTitleMatrix = (bool[, ])renderedText.Clone();
}
lastCursorPosition = entry.GetCursorPosition();
}
return(renderedText);
}
/// <summary>
/// Renders the titles that will result in more than one line.
/// Workaround function. Breaks long strings into parts of length CharsPerLine.
/// So the MatrixBrailleRenderer will not break strings unpredictable, resulting in
/// spaces after or between broken parts. --> Causes CursorPosition to fail
/// </summary>
/// <param name="view">The view.</param>
/// <returns></returns>
private bool[,] renderMultiLineTitle(IViewBoxModel view, EditField_DialogEntry entry, int LineContentWidth, int LineCount, int CharsPerLine)
{
if (brailleRenderer == null)
{
brailleRenderer = new Renderer.MatrixBrailleRenderer(Renderer.RenderingProperties.IGNORE_LAST_LINESPACE | Renderer.RenderingProperties.RETURN_REAL_WIDTH);
}
bool[,] completeMatrix = brailleRenderer.RenderMatrix(view.ContentBox.Width, entry.Title);
//bool[,] completeMatrix = emptyMatrix;
//if (view != null && entry != null && entry.Title != null)
//{
// List<string> titleParts = new List<string>();
// /*Cut string into CharsPerLine-long bits*/
// for (int i = 0; i < LineCount; i++)
// {
// if (entry.Title.Length > i * CharsPerLine + CharsPerLine)
// titleParts.Add(entry.Title.Substring(i * CharsPerLine, CharsPerLine));
// else
// {
// if (entry.Title.Length >= i * CharsPerLine)
// titleParts.Add(entry.Title.Substring(i * CharsPerLine));
// else break;
// }
// }
// List<bool[,]> boolTitleParts = new List<bool[,]>();
// int dimensiony = CHAR_HEIGHT;
// int dimensionx = LineContentWidth;
// int index = 0;
// /*Backup because entry's own renderer will be used. Renderer uses title for rendering.*/
// string titleBackup = Entry.Title;
// /*Render all string parts seperately*/
// foreach (var item in titleParts)
// {
// if (index > 0) dimensiony = INTER_LINE_HEIGHT + CHAR_HEIGHT + dimensiony;
// Entry.Title = item;
// boolTitleParts.Add(renderDialogEntry(view));
// index++;
// }
// Entry.Title = titleBackup;
// completeMatrix = new bool[dimensiony, dimensionx];
// index = 0;
// /*Join all seperate rendered string parts into one Matrix*/
// foreach (var item in boolTitleParts)
// {
// for (int i = 0; i < item.GetLength(0); i++)
// {
// if(i < completeMatrix.GetLength(0))
// for (int j = 0; j < item.GetLength(1); j++)
// {
// try
// {
// if (j < completeMatrix.GetLength(1))
// {
// if (index == 0)
// completeMatrix[i, j] = item[i, j];
// else
// {
// completeMatrix[i + (index * (INTER_CHAR_WIDTH + CHAR_HEIGHT)), j] = item[i, j];
// }
// }
// }
// catch (Exception e)
// {
// System.Diagnostics.Debug.WriteLine(e.ToString());
// }
// }
// }
// index++;
// }
//}
return(completeMatrix);
}
