#!/usr/bin/env python
# coding: utf8
from gluon.html import *
from gluon.http import *
from gluon.validators import *
from gluon.sqlhtml import *
# request, response, session, cache, T, db(s)
# must be passed and cannot be imported!

class JSONDATATABLE(DIV):
    def __init__(self, dataUrl, editCallbackMethod, menuCallbackMethod,   columns = [], **attributes):
        DIV.__init__(self,  **attributes)
        hidden = []
        colDef = []
        col = []

        for field in columns:
            if field.get('hidden', False) != True:
                line = ['key:"' + field['key'] +'"',
                        'label: "' + str(field.get('label', field['key'] )) + '"',
                        'sortable:' + field.get('sortable', 'false'),
                        'formatter: ' + field.get('formatter', 'YAHOO.widget.DataTable.formatDefault')]
                #if field.get('width',  None):
                #    line.append('width:"' + field['width'] +'"')
                colDef.append( '{' + ', '.join(line) + '}')
            else:
                hidden.append( '"' + field['key'] +'"' )
            col.append( '"' + field['key'] +'"' )

        scriptText  = 'YAHOO.util.Event.onContentReady("' + self.attributes['_id'] + '", function() { \n'
        scriptText += '\tthis.myColumnDefs = [' + ',\n'.join(colDef) + '];\n'
        scriptText += '\tthis.responseSchema = { \n resultsList: "result", \n fields: [' + ','.join(col) +  '], \n metaFields: { totalRecords: "totalRecords", recordsReturned : "recordsReturned", startIndex : "startIndex", sort : "sort", dir : "dir" } \n  }; \n'
        scriptText += '\tthis.hideColumns = [' + ','.join(hidden) + ' ]; \n '
        scriptText += '\tthis._table = new JsonDataTable( "' + self.attributes['_id']+ '", "' + dataUrl + '", this.myColumnDefs, this.responseSchema, this.hideColumns ); \n '
        scriptText += '\tthis._table.editOpperation = ' + editCallbackMethod + ';\n'
        scriptText += '\tthis._table.setupContextMenu(' + menuCallbackMethod + ');\n'
        scriptText += '\tsetInterval( function(){ DataTable.UpdateCallback(document.getElementById("' + self.attributes['_id']+ '")._table)}, 10000 ); \n '
        scriptText += '}); \n'

        self.insert(0, SCRIPT( scriptText, _language='javascript' ) )

    def _postprocessing(self):
        if '_class' in self.attributes:
            self.attributes['_class'] += ' json-datatable'
        else:
            self.attributes['_class'] = 'json-datatable'

        if '_id' not in self.attributes:
            self.attributes['_id'] = 'json-datatable-' + web2py_uuid()