Class: Birt::Core::RptDesign

Inherits:
Object
  • Object
show all
Defined in:
lib/birt/core/rpt_design.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rpt_design_path) ⇒ RptDesign

Returns a new instance of RptDesign.



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# File 'lib/birt/core/rpt_design.rb', line 19

def initialize(rpt_design_path)
  self.rpt_design_path = rpt_design_path
  @data_sources, @data_sets = {}, {}
  @reports = {tables: {}, line_charts: {}}
end

Instance Attribute Details

#data_sets ⇒ Object

数据集



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# File 'lib/birt/core/rpt_design.rb', line 13

def data_sets
  @data_sets
end

#data_sources ⇒ Object

数据源



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# File 'lib/birt/core/rpt_design.rb', line 10

def data_sources
  @data_sources
end

#display_name(root = nil) ⇒ Object

报表的名字



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# File 'lib/birt/core/rpt_design.rb', line 7

def display_name
  @display_name
end

#reports ⇒ Object

图表



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# File 'lib/birt/core/rpt_design.rb', line 16

def reports
  @reports
end

#rpt_design_path ⇒ Object

design文件路径



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# File 'lib/birt/core/rpt_design.rb', line 4

def rpt_design_path
  @rpt_design_path
end

Instance Method Details

#parse_rpt ⇒ Object

解析文件



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# File 'lib/birt/core/rpt_design.rb', line 35

def parse_rpt
  _root = REXML::Document.new(File.read(self.rpt_design_path)).root

  #报表名称
  @display_name = self.display_name(_root)

  #数据源
  _root.each_element(xpath = '/report/data-sources/oda-data-source') do |item|
    @data_sources[item.attribute(:name).value] = Birt::Core::DataSource.new(item)
  end

  #数据集
  _root.each_element(xpath='/report/data-sets/oda-data-set') do |item|
    @data_sets[item.attribute(:name).value] = Birt::Core::DataSet.new(item) do |data_set|
      data_set.data_source = @data_sources[item.get_elements("property[@name='dataSource']")[0].text]
    end
  end

  #table报表
  _root.each_element(xpath='/report/body/table') do |item|
    @reports[:tables]["#{item.attribute(:id).value}"] = Birt::Core::TableReport.new(item) do |report|
      report.data_set = @data_sets[item.get_elements("property[@name='dataSet']")[0].text]
    end
  end

  #Chart报表
  _root.each_element(xpath="/report/body/extended-item[@extensionName='Chart']") do |item|
    item_data = REXML::Document.new(item.get_elements("xml-property[@name='xmlRepresentation']")[0].text).root

    #线性报表
    if item_data.get_elements("Type")[0].text=='Line Chart'
      @reports[:line_charts]["#{item.attribute(:id).value}"] = Birt::Core::LineChartReport.new(item_data) do |report|
        report.id = item.attribute(:id).value
        report.data_set = @data_sets[item.get_elements("property[@name='dataSet']")[0].text]
      end
      @reports[:line_charts]["#{item.attribute(:id).value}"].json
    end
  end
end