/// <summary>
/// Parse the user-specified zoom options, using reasonable defaults where
/// behaviour is unspecified. See zoom documentation:
/// https://developers.google.com/blockly/guides/configure/web/zoom
/// </summary>
/// <param name="options">Dictionary of options.</param>
/// <returns>A dictionary of normalized options.</returns>
private static ZoomOptions parseZoomOptions_(Dictionary <string, object> options)
{
var zoom = options.ContainsKey("zoom") ? (Dictionary <string, object>)options["zoom"] : new Dictionary <string, object>();
var zoomOptions = new ZoomOptions();
if (!zoom.ContainsKey("controls"))
{
zoomOptions.controls = false;
}
else
{
zoomOptions.controls = (bool)zoom["controls"];
}
if (!zoom.ContainsKey("wheel"))
{
zoomOptions.wheel = false;
}
else
{
zoomOptions.wheel = (bool)zoom["wheel"];
}
if (!zoom.ContainsKey("startScale"))
{
zoomOptions.startScale = 1;
}
else
{
zoomOptions.startScale = Script.ParseFloat(zoom["startScale"].ToString());
}
if (!zoom.ContainsKey("maxScale"))
{
zoomOptions.maxScale = 3;
}
else
{
zoomOptions.maxScale = Script.ParseFloat(zoom["maxScale"].ToString());
}
if (!zoom.ContainsKey("minScale"))
{
zoomOptions.minScale = 0.3;
}
else
{
zoomOptions.minScale = Script.ParseFloat(zoom["minScale"].ToString());
}
if (!zoom.ContainsKey("scaleSpeed"))
{
zoomOptions.scaleSpeed = 1.2;
}
else
{
zoomOptions.scaleSpeed = Script.ParseFloat(zoom["scaleSpeed"].ToString());
}
return(zoomOptions);
}
public Options(Dictionary <string, object> options = null)
{
if (options == null)
{
options = new Dictionary <string, object>();
}
var readOnly = options.ContainsKey("readOnly") ? (bool)options["readOnly"] : false;
Element languageTree = null;
var hasCategories = false;
var hasTrashcan = false;
var hasCollapse = false;
var hasComments = false;
var hasDisable = false;
var hasSounds = false;
if (!readOnly)
{
languageTree = options.ContainsKey("toolbox") ? Options.parseToolboxTree(new Union <string, Element>(options["toolbox"])) : null;
hasCategories = languageTree != null &&
languageTree.GetElementsByTagName("category").Length != 0;
if (options.ContainsKey("trashcan"))
{
hasTrashcan = (bool)options["trashcan"];
}
else
{
hasTrashcan = hasCategories;
}
if (options.ContainsKey("collapse"))
{
hasCollapse = (bool)options["collapse"];
}
else
{
hasCollapse = hasCategories;
}
if (options.ContainsKey("comments"))
{
hasComments = (bool)options["comments"];
}
else
{
hasComments = hasCategories;
}
if (options.ContainsKey("disable"))
{
hasDisable = (bool)options["disable"];
}
else
{
hasDisable = hasCategories;
}
if (options.ContainsKey("sounds"))
{
hasSounds = (bool)options["sounds"];
}
else
{
hasSounds = true;
}
}
var rtl = options.ContainsKey("rtl") ? (bool)options["rtl"] : false;
bool horizontalLayout;
if (options.ContainsKey("horizontalLayout"))
{
horizontalLayout = (bool)options["horizontalLayout"];
}
else
{
horizontalLayout = false;
}
bool toolboxAtStart = true;
if (options.ContainsKey("toolboxPosition"))
{
if (options["toolboxPosition"].ToString() == "end")
{
toolboxAtStart = false;
}
}
int toolboxPosition;
if (horizontalLayout)
{
toolboxPosition = toolboxAtStart ?
Core.TOOLBOX_AT_TOP : Core.TOOLBOX_AT_BOTTOM;
}
else
{
toolboxPosition = (toolboxAtStart == rtl) ?
Core.TOOLBOX_AT_RIGHT : Core.TOOLBOX_AT_LEFT;
}
bool hasScrollbars;
if (options.ContainsKey("scrollbars"))
{
hasScrollbars = (bool)options["scrollbars"];
}
else
{
hasScrollbars = hasCategories;
}
bool hasCss;
if (options.ContainsKey("css"))
{
hasCss = (bool)options["css"];
}
else
{
hasCss = true;
}
var pathToMedia = "https://blockly-demo.appspot.com/static/media/";
if (options.ContainsKey("media"))
{
pathToMedia = options["media"].ToString();
}
else if (options.ContainsKey("path"))
{
// "path" is a deprecated option which has been replaced by "media".
pathToMedia = options["path"] + "media/";
}
var oneBasedIndex = true;
if (options.ContainsKey("oneBasedIndex"))
{
oneBasedIndex = (bool)options["oneBasedIndex"];
}
this.RTL = rtl;
this.oneBasedIndex = oneBasedIndex;
this.collapse = hasCollapse;
this.comments = hasComments;
this.disable = hasDisable;
this.readOnly = readOnly;
this.maxBlocks = options.ContainsKey("maxBlocks") ? (int)options["maxBlocks"] : int.MaxValue;
this.pathToMedia = pathToMedia;
this.hasCategories = hasCategories;
this.hasScrollbars = hasScrollbars;
this.hasTrashcan = hasTrashcan;
this.hasSounds = hasSounds;
this.hasCss = hasCss;
this.horizontalLayout = horizontalLayout;
this.languageTree = languageTree;
this.gridOptions = Options.parseGridOptions_(options);
this.zoomOptions = Options.parseZoomOptions_(options);
this.toolboxPosition = toolboxPosition;
}