Module: Databaseformalizer::EntitiesHelper
- Defined in:
- app/helpers/databaseformalizer/entities_helper.rb
Class Method Summary collapse
- .initAttrVals(entity) ⇒ Object
- .removeAttrVals(params, entity) ⇒ Object
- .setAttrVals(params, entity, parent = nil) ⇒ Object
- .setModelGraph(uri) ⇒ Object
Instance Method Summary collapse
Class Method Details
.initAttrVals(entity) ⇒ Object
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# File 'app/helpers/databaseformalizer/entities_helper.rb', line 3 def EntitiesHelper.initAttrVals(entity) entityDef = entity.entity_def entityDef.attrDefs.each do |attrDef| attrVal = AttrVal.new(:attrDef => attrDef) entity.attr_vals << attrVal attrVal.save end end |
.removeAttrVals(params, entity) ⇒ Object
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# File 'app/helpers/databaseformalizer/entities_helper.rb', line 57 def EntitiesHelper.removeAttrVals(params, entity) if params == nil; params = []; end params.each do |attrType,attrFormValue| attrDef = AttrDef.find(attrType); attrVal = entity.attr_vals.find_all_by_attr_def_name(attrType) if attrVal.size > 1 attrVal = entity.attr_vals.find(:first, :conditions => ["attr_def_name = ? and value = ?", attrType, attrFormValue]) else attrVal = attrVal[0] end case attrVal.attrDef.dataType when "String" || "Date" || "aChoice" attrVal.destroy when "checkList" EntitiesHelper.removeAttrVals(attrFormValue, entity) attrVal.destroy when "selectOneInList" #TODO implement when "openList" attrFormValue.delete("_destroy") map = attrFormValue.map{|a| [a[0][0..-14], a[1]]} EntitiesHelper.removeAttrVals(map, entity) attrVal.value = "isList" when "entityDef" attrVal.destroy end end end |
.setAttrVals(params, entity, parent = nil) ⇒ Object
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# File 'app/helpers/databaseformalizer/entities_helper.rb', line 12 def EntitiesHelper.setAttrVals(params, entity, parent = nil ) if params == nil; params = []; end params.each do |attrType,attrFormValue| attrDef = AttrDef.find(attrType); attrVal = entity.attr_vals.find_by_attr_def_name(attrType) #check if item exist or if is in an insert or update if attrVal == nil || (attrVal != nil && parent != nil && parent.attrDef.dataType == "openList" ) attrVal = AttrVal.new(:attrDef => attrDef) entity.attr_vals << attrVal if parent != nil parent.attrValChilds << attrVal end end case attrVal.attrDef.dataType when "String" attrVal.value = attrFormValue when "Date" attrVal.value = "25/10/2010" when "aChoice" attrVal.value = "selected" when "checkList" #first, we remove unselected items attrFormValue.reject!{ |k,val| val == "0" } EntitiesHelper.setAttrVals(attrFormValue, entity, attrVal) attrVal.value = "isList" when "selectOneInList" EntitiesHelper.setAttrVals({ attrFormValue => 1 }, entity, attrVal) attrVal.value = "isList" when "openList" attrFormValue.delete("_destroy") map = attrFormValue.map{|a| [a[0][0..-14], a[1]]} EntitiesHelper.setAttrVals(map, entity, attrVal) attrVal.value = "isList" when "entityDef" attrVal.value = attrFormValue else attrVal.value = attrFormValue end attrVal.save end end |
.setModelGraph(uri) ⇒ Object
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# File 'app/helpers/databaseformalizer/entities_helper.rb', line 94 def EntitiesHelper.setModelGraph(uri ) require 'graphviz' # Create a new graph g = GraphViz.new( :G, :type => :digraph ) # Graph configuration g.node[:color] = "#ddaa66" g.node[:style] = "filled" g.node[:shape] = "box" g.node[:penwidth] = "1" g.node[:fontname] = "Trebuchet MS" g.node[:fontsize] = "8" g.node[:fillcolor]= "#ffeecc" g.node[:fontcolor]= "#000000" g.node[:margin] = "0.05" # set global edge options g.edge[:color] = "#999999" g.edge[:weight] = "1" g.edge[:fontsize] = "6" g.edge[:fontcolor]= "#444444" g.edge[:fontname] = "Verdana" # Create two nodes nodesMap = {} @links = Array.new Entity.all.each do |entity| if entity.entity_def == nil next end attrs = ''; entity.attr_vals.each do |attrVal| if attrVal.attrDef.dataType == "entityDef" #we need to add a link if attrVal.attrDef.childEntityDef != nil @links.push([attrVal.value,entity.id.to_s]) begin attrs += attrVal.attrDef.label+':'+attrVal.attrDef.dataType+'="'+CGI.escapeHTML(attrVal.value)+'"\l' rescue end else attrs += '+ '+attrVal.attrDef.label+' : null\l' end else begin attrs += attrVal.attrDef.label+':'+attrVal.attrDef.dataType+'="'+CGI.escapeHTML(attrVal.value)+'"\l' rescue end end end begin nodesMap[entity.id.to_s] = g.add_nodes( entity.id.to_s, "shape" => "record", "label" => '{'+entity.label+':'+entity.entity_def.id.to_s+'|'+attrs+'}' ) g.add_nodes( entity.id.to_s,"shape" => "record", "label" => '{'+entity.label+':'+entity.entity_def.id.to_s+'|'+attrs+'}' ) rescue end end @links.each do |link| begin g.add_edges( nodesMap[link[0]], nodesMap[link[1]]) rescue end end # Generate output image g.output( :png => uri ) end |
Instance Method Details
#link_to_add_attrlistvalue(name, f, parent) ⇒ Object
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# File 'app/helpers/databaseformalizer/entities_helper.rb', line 87 def link_to_add_attrlistvalue(name, f, parent) #fields = f.fields_for parent.id do |builder| fields = render("attr_val_openList_element_form", :f => f, :parent => parent) #end link_to_function(name, "add_attrlistvalues(this, \"#{parent.attr_def_name}\", \"#{escape_javascript(fields)}\")") end |