/// <ToBeCompleted></ToBeCompleted>
public TemplateControllerInitializingEventArgs(TemplateControllerEditMode editMode, Template template)
{
this.editMode = editMode;
this.template = template;
}
/// <summary>
/// Calling this method initializes the <see cref="T:Dataweb.NShape.Controllers.TemplateController" />.
/// </summary>
public void Initialize(Project project, Template template)
{
if (isInitializing) {
Debug.Fail("Already initializing");
return;
}
try {
isInitializing = true;
if (project == null) throw new ArgumentNullException("project");
if (this.project != project) Project = project;
#if DEBUG_DIAGNOSTICS
if (template != null)
template.Tag = template.Name;
#endif
// Check if there are shape types supporting templating
bool templateSupportingShapeTypeFound = false;
foreach (ShapeType shapeType in project.ShapeTypes) {
if (shapeType.SupportsAutoTemplates) {
templateSupportingShapeTypeFound = true;
break;
}
}
if (!templateSupportingShapeTypeFound) throw new NShapeException("No template supporting shape types found. Load a shape library first.");
// Create a copy of the template
if (template != null) {
editMode = TemplateControllerEditMode.EditTemplate;
originalTemplate = template;
workTemplate = new Template(originalTemplate.Name, originalTemplate.Shape.Clone());
workTemplate.CopyFrom(originalTemplate);
workTemplate.Shape.DisplayService = this;
} else {
// Create a new Template
editMode = TemplateControllerEditMode.CreateTemplate;
originalTemplate = null;
// As a shape is mandatory for every template, find a shape first
Shape shape = FindFirstShapeOfType(typeof(IPlanarShape));
if (shape == null) shape = FindFirstShapeOfType(typeof(Shape)); // if no planar shape was found, get the first one
int templateCnt = 1;
foreach (Template t in project.Repository.GetTemplates()) ++templateCnt;
workTemplate = new Template(string.Format("Template {0}", templateCnt), shape);
shape.DisplayService = this;
}
// Disable all controls if the user has not the appropriate access rights
if (!project.SecurityManager.IsGranted(Permission.Templates)) {
// ToDo: implement access right restrictions
}
InitShapeList();
InitModelObjectList();
isInitialized = true;
if (Initializing != null) {
TemplateControllerInitializingEventArgs eventArgs = new TemplateControllerInitializingEventArgs(editMode, template);
Initializing(this, eventArgs);
}
} finally {
isInitializing = false;
}
}
/// <ToBeCompleted></ToBeCompleted>
public TemplateControllerInitializingEventArgs(TemplateControllerEditMode editMode, Template template)
{
this.editMode = editMode;
this.template = template;
}
/// <summary>
/// Applies all changes made on the working template to the original template.
/// </summary>
public void ApplyChanges()
{
if (string.IsNullOrEmpty(workTemplate.Name)) throw new NShapeException("The template's name must not be empty.");
if (TemplateWasChanged) {
ICommand cmd = null;
switch (editMode) {
case TemplateControllerEditMode.CreateTemplate:
cmd = new CreateTemplateCommand(workTemplate);
project.ExecuteCommand(cmd);
// after inserting the template into the cache, the template becomes the new
// originalTemplate and a new workTemplate has to be cloned.
// TemplateControllerEditMode is changed from Create to Edit so the user can continue editing the
// template until the template editor is closed
originalTemplate = workTemplate;
// ToDo: Set appropriate DisplayService
originalTemplate.Shape.DisplayService = null;
workTemplate = originalTemplate.Clone();
editMode = TemplateControllerEditMode.EditTemplate;
break;
case TemplateControllerEditMode.EditTemplate:
// set workTemplate.Shape's DisplayService to the original shape's DisplayService
// (typically the ToolSetController)
workTemplate.Shape.DisplayService = originalTemplate.Shape.DisplayService;
if (workTemplate.Shape.Type != originalTemplate.Shape.Type)
cmd = new ExchangeTemplateShapeCommand(originalTemplate, workTemplate);
else
cmd = new CopyTemplateFromTemplateCommand(originalTemplate, workTemplate);
project.ExecuteCommand(cmd);
break;
default: throw new NShapeUnsupportedValueException(typeof(TemplateControllerEditMode), editMode);
}
TemplateWasChanged = false;
if (ApplyingChanges != null) ApplyingChanges(this, EventArgs.Empty);
}
}
