/// <summary>
/// Parse XML to restore the else-if and else inputs.
/// </summary>
/// <param name="xmlElement">XML storage element.</param>
public override void domToMutation(Element xmlElement)
{
cases_ = new JsArray <Tuple <string, string> >();
foreach (Element childNode in xmlElement.ChildNodes)
{
if (childNode.NodeName.ToLower() == "case")
{
var value = childNode.GetAttribute("value");
if (value != null)
{
cases_.Push(new Tuple <string, string>(value, null));
}
else
{
var min = childNode.GetAttribute("minimum");
var max = childNode.GetAttribute("maximum");
if ((min != null) && (max != null))
{
cases_.Push(new Tuple <string, string>(min, max));
}
}
}
}
var count = xmlElement.GetAttribute("default");
defaultCount_ = count == null ? 0 : Int32.Parse(count);
updateShape_();
}
/// <summary>
/// Overrides {@link goog.ui.ControlRenderer#setContent} for palettes. Locates
/// the HTML table representing the palette grid, and replaces the contents of
/// each cell with a new element from the array of nodes passed as the second
/// argument. If the new content has too many items the table will have more
/// rows added to fit, if there are less items than the table has cells, then the
/// left over cells will be empty.
/// </summary>
/// <param name="element"> Root element of the palette control.</param>
/// <param name="content">Array of items to replace existing
/// palette items.</param>
public override void setContent(HTMLElement element, goog.ui.ControlContent content)
{
var items = content.As <JsArray <Node> >();
if (element != null)
{
var tbody = (HTMLTableSectionElement)goog.dom.getElementsByTagNameAndClass(
goog.dom.TagName.TBODY, le.getCssName(this.getCssClass(), "body"),
element)[0];
if (tbody != null)
{
var index = 0;
foreach (HTMLTableRowElement row in tbody.Rows)
{
foreach (var cell in row.Cells)
{
goog.dom.removeChildren(cell);
if (items != null)
{
var item = items[index++];
if (item != null)
{
goog.dom.appendChild(cell, item);
}
}
}
}
// Make space for any additional items.
if (index < items.Length)
{
var cells = new JsArray <Node>();
var dom = goog.dom.getDomHelper(element);
var width = ((HTMLTableRowElement)tbody.Rows[0]).Cells.Length;
while (index < items.Length)
{
var item = items[index++];
cells.Push(this.createCell(item, dom));
if (cells.Length == width)
{
var row = this.createRow(cells, dom);
goog.dom.appendChild(tbody, row);
cells.Clear();
}
}
if (cells.Length > 0)
{
while (cells.Length < width)
{
cells.Push(this.createCell("", dom));
}
var row = this.createRow(cells, dom);
goog.dom.appendChild(tbody, row);
}
}
}
// Make sure the new contents are still unselectable.
goog.style.setUnselectable(element, true, goog.userAgent.GECKO);
}
}
/// <summary>
/// Reconfigure this block based on the mutator dialog's components.
/// </summary>
/// <param name="containerBlock">Root block in mutator.</param>
public override void compose(Block containerBlock)
{
var clauseBlock = containerBlock.getInputTargetBlock("STACK");
// Count text of inputs.
cases_ = new JsArray <Tuple <string, string> >();
defaultCount_ = 0;
var statementConnections = new JsArray <Connection>();
Connection defaultStatementConnection = null;
while (clauseBlock != null)
{
switch (clauseBlock.type)
{
case SwitchCaseTextConstBlock.type_name: {
var value = clauseBlock.getFieldValue("CONST");
cases_.Push(new Tuple <string, string>(value, null));
statementConnections.Push(((SwitchCaseTextConstBlock)clauseBlock).statementConnection_);
}
break;
case SwitchCaseTextRangeBlock.type_name: {
var range_min = clauseBlock.getFieldValue("RANGE_MIN");
var range_max = clauseBlock.getFieldValue("RANGE_MAX");
cases_.Push(new Tuple <string, string>(range_min, range_max));
statementConnections.Push(((SwitchCaseTextRangeBlock)clauseBlock).statementConnection_);
}
break;
case SwitchCaseTextDefaultBlock.type_name: {
defaultCount_++;
defaultStatementConnection = ((SwitchCaseTextDefaultBlock)clauseBlock).statementConnection_;
}
break;
default:
throw new Exception("Unknown block type.");
}
clauseBlock = (clauseBlock.nextConnection != null) ?
clauseBlock.nextConnection.targetBlock() : null;
}
updateShape_();
// Reconnect any child blocks.
for (var i = 0; i <= cases_.Length; i++)
{
Mutator.reconnect(statementConnections[i], this, "DO" + i);
}
Mutator.reconnect(defaultStatementConnection, this, "DEFAULT_DO");
}
/// <summary>
/// Undo or redo the previous action.
/// </summary>
/// <param name="redo">False if undo, true if redo.</param>
public void undo(bool redo)
{
var inputStack = redo ? this.redoStack_ : this.undoStack_;
var outputStack = redo ? this.undoStack_ : this.redoStack_;
var inputEvent = inputStack.Pop();
if (inputEvent == null)
{
return;
}
var events = new JsArray <Events.Abstract> {
inputEvent
};
// Do another undo/redo if the next one is of the same group.
while (inputStack.Length != 0 && inputEvent.group != null &&
inputEvent.group == inputStack[inputStack.Length - 1].group)
{
events.Push(inputStack.Pop());
}
// Push these popped events on the opposite stack.
foreach (var e in events)
{
outputStack.Push(e);
}
events = Events.filter(events, redo);
Events.recordUndo = false;
foreach (var e in events)
{
e.run(redo);
}
Events.recordUndo = true;
}
/// <summary>
/// Finds the top-level blocks and returns them. Blocks are optionally sorted
/// by position; top to bottom (with slight LTR or RTL bias).
/// </summary>
/// <param name="ordered">Sort the list if true.</param>
/// <returns>The top-level block objects.</returns>
public JsArray <Block> getTopBlocks(bool ordered)
{
// Copy the topBlocks_ list.
var blocks = new JsArray <Block>();
this.topBlocks_.ForEach((b) => blocks.Push(b));
if (ordered && blocks.Length > 1)
{
var offset = System.Math.Sin(goog.math.toRadians(Workspace.SCAN_ANGLE));
if (this.RTL)
{
offset *= -1;
}
blocks.Sort((a, b) => {
var aXY = a.getRelativeToSurfaceXY();
var bXY = b.getRelativeToSurfaceXY();
var aa = (aXY.y + offset * aXY.x);
var bb = (bXY.y + offset * bXY.x);
if (aa == bb)
{
return(0);
}
if (aa > bb)
{
return(1);
}
else
{
return(-1);
}
});
}
return(blocks);
}
public node procedures_defreturn(ProceduresDefBlock block)
{
var lv = local_switch();
var args = new JsArray <arg_node>();
for (var x = 0; x < block.arguments_.Length; x++)
{
args.Push(new arg_node(this, local_add_f(block.arguments_[x])));
}
var funcName = intern(block.getFieldValue("NAME"));
var branch = statementToCode(block, "STACK");
var returnValue = valueToCode(block, "RETURN");
if (returnValue == null)
{
returnValue = new return_node(this, returnValue);
}
((begin_node)branch).progs.Push(returnValue);
var code = new def_node(this, funcName, args, branch);
local_resume(lv);
return(code);
}
/// <summary>
/// Get this warning's texts.
/// </summary>
/// <returns>All texts concatenated into one string.</returns>
public override string getText()
{
var allWarnings = new JsArray <string>();
foreach (var id in this.text_.Keys)
{
allWarnings.Push(this.text_[id]);
}
return(allWarnings.Join("\n"));
}
private string join_(int[] ints, string dem)
{
var sb = new JsArray <string>();
foreach (int i in ints)
{
sb.Push(i.ToString());
}
return(sb.Join(dem));
}
/// <summary>
/// Given a set of block types, gets the Blockly.Block objects for each block
/// type.
/// </summary>
/// <param name="blockTypes">Array of blocks that have been defined.</param>
/// <returns>Array of Blockly.Block objects corresponding
/// to the array of blockTypes.</returns>
public JsArray <Block> getDefinedBlocks(JsArray <string> blockTypes)
{
var blocks = new JsArray <Blockly.Block>();
for (var i = 0; i < blockTypes.Length; i++)
{
blocks.Push(FactoryUtils.getDefinedBlock(blockTypes[i],
this.hiddenWorkspace));
}
return(blocks);
}