private static void LoadTemplateFiles(ErrorContainer errors, CanvasDocument app, string packagesPath, out Dictionary <string, ControlTemplate> loadedTemplates)
{
loadedTemplates = new Dictionary <string, ControlTemplate>();
var templateList = new List <TemplatesJson.TemplateJson>();
foreach (var file in new DirectoryReader(packagesPath).EnumerateFiles(string.Empty, "*.xml", searchSubdirectories: false))
{
var xmlContents = file.GetContents();
if (!ControlTemplateParser.TryParseTemplate(new TemplateStore(), xmlContents, app._properties.DocumentAppType, loadedTemplates, out var parsedTemplate, out var templateName))
{
errors.GenericError($"Unable to parse template file {file._relativeName}");
throw new DocumentException();
}
// Some control templates specify a name with an initial capital letter (e.g. rating control)
// However, the server doesn't always use that. If the template name doesn't match the one we wrote
// as the file name, adjust the template name to lowercase
if (!file._relativeName.StartsWith(templateName))
{
templateName = templateName.ToLower();
}
templateList.Add(new TemplatesJson.TemplateJson()
{
Name = templateName, Template = xmlContents, Version = parsedTemplate.Version
});
}
// Also add Screen and App templates (not xml, constructed in code on the server)
GlobalTemplates.AddCodeOnlyTemplates(new TemplateStore(), loadedTemplates, app._properties.DocumentAppType);
app._templates = new TemplatesJson()
{
UsedTemplates = templateList.ToArray()
};
}
internal void ApplyAfterMsAppLoadTransforms(ErrorContainer errors)
{
// Update volatile documentproperties
_entropy.SetProperties(_properties);
// Shard templates, parse for default values
var templateDefaults = new Dictionary <string, ControlTemplate>();
foreach (var template in _templates.UsedTemplates)
{
if (!ControlTemplateParser.TryParseTemplate(_templateStore, template.Template, _properties.DocumentAppType, templateDefaults, out _, out _))
{
errors.GenericError($"Unable to parse template file {template.Name}");
throw new DocumentException();
}
}
// Also add Screen and App templates (not xml, constructed in code on the server)
GlobalTemplates.AddCodeOnlyTemplates(_templateStore, templateDefaults, _properties.DocumentAppType);
// PCF templates
if (_pcfControls.Count == 0)
{
foreach (var kvp in _templateStore.Contents)
{
if (kvp.Value.IsPcfControl && kvp.Value.DynamicControlDefinitionJson != null)
{
_pcfControls.Add(kvp.Key, PcfControl.GetPowerAppsControlFromJson(kvp.Value));
kvp.Value.DynamicControlDefinitionJson = null;
}
}
}
var componentInstanceTransform = new ComponentInstanceTransform(errors);
var componentDefTransform = new ComponentDefinitionTransform(errors, _templateStore, componentInstanceTransform);
// Transform component definitions and populate template set of component instances that need updates
foreach (var ctrl in _components)
{
AddComponentDefaults(ctrl.Value, templateDefaults);
componentDefTransform.AfterRead(ctrl.Value);
}
var transformer = new SourceTransformer(this, errors, templateDefaults, new Theme(_themes), componentInstanceTransform, _editorStateStore, _templateStore, _entropy);
foreach (var ctrl in _screens.Concat(_components))
{
transformer.ApplyAfterRead(ctrl.Value);
}
StabilizeAssetFilePaths(errors);
// Persist the original order of resource entries in Resources.json in the entropy.
this.PersistOrderingOfResourcesJsonEntries();
}
internal void ApplyBeforeMsAppWriteTransforms(ErrorContainer errors)
{
// Update volatile documentproperties
_entropy.GetProperties(_properties);
// Shard templates, parse for default values
var templateDefaults = new Dictionary <string, ControlTemplate>();
foreach (var template in _templates.UsedTemplates)
{
if (!ControlTemplateParser.TryParseTemplate(_templateStore, template.Template, _properties.DocumentAppType, templateDefaults, out _, out _))
{
errors.GenericError($"Unable to parse template file {template.Name}");
throw new DocumentException();
}
}
// Also add Screen and App templates (not xml, constructed in code on the server)
GlobalTemplates.AddCodeOnlyTemplates(_templateStore, templateDefaults, _properties.DocumentAppType);
// Generate DynamicControlDefinitionJson for power apps controls
foreach (var kvp in _pcfControls)
{
if (_templateStore.TryGetTemplate(kvp.Key, out var template))
{
template.DynamicControlDefinitionJson = PcfControl.GenerateDynamicControlDefinition(kvp.Value);
}
else
{
// Validation for accidental deletion of ocf control templates.
errors.ValidationError($"Could not find Pcf Control Template with name: {kvp.Key} in pkgs/PcfControlTemplates directory. " +
$"If it was intentionally deleted, please delete the entry from ControlTemplates.json along with its references from source files.");
}
}
var componentInstanceTransform = new ComponentInstanceTransform(errors);
var componentDefTransform = new ComponentDefinitionTransform(errors, _templateStore, componentInstanceTransform);
// Transform component definitions and populate template set of component instances that need updates
foreach (var ctrl in _components)
{
componentDefTransform.BeforeWrite(ctrl.Value);
AddComponentDefaults(ctrl.Value, templateDefaults);
}
var transformer = new SourceTransformer(this, errors, templateDefaults, new Theme(_themes), componentInstanceTransform, _editorStateStore, _templateStore, _entropy);
foreach (var ctrl in _screens.Concat(_components))
{
transformer.ApplyBeforeWrite(ctrl.Value);
}
RestoreAssetFilePaths();
}
private static ControlInfoJson.Item GetDataComponentDefinition(IEnumerable <ControlInfoJson> topParents, string templateGuid, ErrorContainer errors)
{
foreach (var topParent in topParents)
{
if (topParent.TopParent.Template.Name == templateGuid)
{
return(topParent.TopParent);
}
}
errors.GenericError("Could not find DataComponent Definition for template " + templateGuid);
throw new DocumentException();
}
internal void ApplyBeforeMsAppWriteTransforms(ErrorContainer errors)
{
// Update volatile documentproperties
_entropy.GetProperties(_properties);
// Shard templates, parse for default values
var templateDefaults = new Dictionary <string, ControlTemplate>();
foreach (var template in _templates.UsedTemplates)
{
if (!ControlTemplateParser.TryParseTemplate(_templateStore, template.Template, _properties.DocumentAppType, templateDefaults, out _, out _))
{
errors.GenericError($"Unable to parse template file {template.Name}");
throw new DocumentException();
}
}
// Also add Screen and App templates (not xml, constructed in code on the server)
GlobalTemplates.AddCodeOnlyTemplates(_templateStore, templateDefaults, _properties.DocumentAppType);
var componentInstanceTransform = new ComponentInstanceTransform(errors);
var componentDefTransform = new ComponentDefinitionTransform(errors, _templateStore, componentInstanceTransform);
// Transform component definitions and populate template set of component instances that need updates
foreach (var ctrl in _components)
{
componentDefTransform.BeforeWrite(ctrl.Value);
AddComponentDefaults(ctrl.Value, templateDefaults);
}
var transformer = new SourceTransformer(errors, templateDefaults, new Theme(_themes), componentInstanceTransform, _editorStateStore, _templateStore, _entropy);
foreach (var ctrl in _screens.Concat(_components))
{
transformer.ApplyBeforeWrite(ctrl.Value);
}
RestoreAssetFilePaths();
}
