Class: Spreadsheet::HTML

Inherits:
Object
  • Object
show all
Defined in:
lib/Spreadsheet/HTML.rb,
lib/Spreadsheet/HTML/version.rb

Constant Summary collapse

VERSION = 
"0.0.6"

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ HTML

Returns a new instance of HTML.



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# File 'lib/Spreadsheet/HTML.rb', line 92

def initialize( *args )
    (args[0] || []).each do |key,val|
        self.instance_eval { class << self; self end }.send(:attr_accessor, key)
        self.send( "#{key}=", val )
    end
end

Class Method Details

.gen(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 13

def self.gen( *args )
    self.new.generate( *args )
end

Instance Method Details

#_args(things) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 161

def _args( things )

    data   = []
    args   = []
    while !things.empty?

        if things[0].kind_of?(Array)
            data.push( things.shift() )
            if things[0].kind_of?(Array)
                data.push( things.shift() )
            else
                args.push( things.shift() ) if !things.empty?
                args.push( things.shift() ) if !things.empty?
            end
        else
            args.push( things.shift() ) if !things.empty?
            args.push( things.shift() ) if !things.empty?
        end

    end

    params = {}
    self.instance_variables.each do |attr|
        params[attr[1..-1]] = self.instance_variable_get attr
    end

    (args || []).each do |hash|
        hash.each do |key,val|
            params[key] = val
        end
    end

    params['auto'] = Auto::Tag.new(
        'encodes'   => params.has_key?('encodes') ? params['encodes'] : '',
        'indent'    => params['indent'],
        'level'     => params['level'],
        'sorted'    => params['attr_sort'],
    )

    if !params['data'] and data[0].kind_of?(Array)
        data = [ data ] if !data[0][0].kind_of?(Array)
        params['data'] = data[0]
    end

    params['_max_rows'] = params['data'].size
    params['_max_cols'] = params['data'][0].size
    params['data']      = params['data'].clone

    return params
end

#_make_table(params) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 99

def _make_table( params )
    cdata = [] # TODO: insert caption and colgroup

    if params['tgroups'] && params['tgroups'] > 0

        body = params['data']
        head = body.shift() unless params['matrix'] && data.size() > 2
        foot = body.pop() if !params['matrix'] && params['tgroups'] > 1 and data.size() > 2

        head_row  = { 'tag' => 'tr', 'attr' => params['thead.tr'] || {}, 'cdata' => head }
        foot_row  = { 'tag' => 'tr', 'attr' => params['tfoot.tr'] || {}, 'cdata' => foot }
        body_rows = body.map{ |r| { 'tag' => 'tr', 'attr' => params['tr'] || {}, 'cdata' => r } }

        cdata.push({ 'tag' => 'thead', 'attr' => params['thead'] || {}, 'cdata' => head_row }) if head
        cdata.push({ 'tag' => 'tfoot', 'attr' => params['tfoot'] || {}, 'cdata' => foot_row }) if foot
        cdata.push({ 'tag' => 'tbody', 'attr' => params['tbody'] || {}, 'cdata' => body_rows })

    else
        cdata.push( params['data'].map { |c| { 'tag' => 'tr', 'attr' => params['tr'] || {}, 'cdata' => c } } )
    end

    return params['auto'].tag( 'tag' => 'table', 'attr' => params['table'] || {}, 'cdata' => cdata )
end

#_process(args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 123

def _process( args )
    params = _args( args )

    # headings is an alias for -r0
    params['-r0'] = params['headings']

    index = {}
    if params['data'][0].size()
        # implement index mapping
    end

    data  = []
    empty = params.has_key?('empty') ? params['empty'] : '&nbsp;'
    tag   = ( params['matrix'] or params['headless'] ) ? 'td' : 'th'

    params['data'].each do |row|

        unless params['_layout']
            (params['_max_cols'] - row.size).times { row.push( nil ) }  # pad
            (row.size - params['_max_cols']).times { row.pop }          # truncate
        end

        r = []
        row.each do |col|
            col = col.to_s
            col = col.gsub( /^\s*$/, empty )
            r.push( { 'tag' => tag, 'attr' => params[tag] || {}, 'cdata' => col } )
        end
        data.push( r )
        tag = 'td'
    end

    params['data'] = data
    params['data'].shift if params['headless']

    return params
end

#east(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 33

def east( *args )
    generate( *args, 'theta' => 90, 'tgroups' => 0, 'pinhead' => 1 )
end

#generate(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 41

def generate( *args )
    params = _process( args )

    if params['theta'] and params['flip'] 
        params['theta'] *= -1 
    end

    if !params['theta']           # north
        if params['flip']
            params['data'] = params['data'].map {|a| a.reverse }
        end

    elsif params['theta'] == 90   # east
        if params['pinhead'] and !params['headless']
            params['data'] = params['data'].transpose.map{|a| a.push( a.shift ) }
        else
            params['data'] = params['data'].transpose.map{|a| a.reverse }
        end

    elsif params['theta'] == -90
        if params['pinhead'] and !params['headless']
            params['data'] = params['data'].transpose.reverse.map {|a| a.push( a.shift ) } 
        else
            params['data'] = params['data'].transpose.reverse.map {|a| a.reverse }
        end

    elsif params['theta'] == 180
        if params['pinhead'] and !params['headless']
            params['data'] = params['data'].push( params['data'].shift ).map {|a| a.reverse }
        else
            params['data'] = params['data'].reverse.map {|a| a.reverse }
        end

    elsif params['theta'] == -180 # south
        if params['pinhead'] and !params['headless']
            params['data'] = params['data'].push( params['data'].shift )
        else
            params['data'] = params['data'].reverse
        end

    elsif params['theta'] == 270
        params['data'] = params['data'].transpose.reverse

    elsif params['theta'] == -270 # west
        params['data'] = params['data'].transpose

    end

    return _make_table( params )
end

#landscape(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 29

def landscape( *args )
    generate( *args, 'theta' => -270, 'tgroups' => 0 )
end

#north(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 17

def north( *args )
    generate( *args, 'theta' => 0 )
end

#portrait(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 21

def portrait( *args )
    generate( *args, 'theta' => 0 )
end

#south(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 37

def south( *args )
    generate( *args, 'theta' => -180, 'tgroups' => 0, 'pinhead' => 1 )
end

#west(*args) ⇒ Object 



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# File 'lib/Spreadsheet/HTML.rb', line 25

def west( *args )
    generate( *args, 'theta' => -270, 'tgroups' => 0 )
end