addons/web_graph/static/src/js/graph_widget.js

   1
   2 /* jshint undef: false  */
   3
   4 (function () {
   5 'use strict';
   6 var QWeb = openerp.web.qweb;
   7 var _lt = openerp.web._lt;
   8 var _t = openerp.web._t;
   9
  10 nv.dev = false;  // sets nvd3 library in production mode
  11
  12 openerp.web_graph.Graph = openerp.web.Widget.extend({
  13     template: 'GraphWidget',
  14
  15     // ----------------------------------------------------------------------
  16     // Init stuff
  17     // ----------------------------------------------------------------------
  18     init: function(parent, model,  domain, options) {
  19         this._super(parent);
  20         this.model = model;
  21         this.domain = domain;
  22         this.mode = options.mode || 'pivot';  // pivot, bar, pie, line
  23         this.visible_ui = options.visible_ui || true;
  24         this.bar_ui = options.bar_ui || 'group';
  25         this.graph_view = options.graph_view || null;
  26         this.pivot_options = options;
  27         this.title = options.title || 'Data';
  28         this.$buttons = options.$buttons;
  29     },
  30
  31     start: function() {
  32         var self = this;
  33         this.table = $('<table>');
  34         this.$('.graph_main_content').append(this.table);
  35
  36         this.$buttons.find('.oe-pivot-mode').click(function () {
  37             self.set_mode.bind(self)('pivot');
  38         });
  39         this.$measure_list = this.$buttons.find('.oe-measure-list');
  40
  41         this.$buttons.find('.oe-bar-mode').click(function () {
  42             self.set_mode.bind(self)('bar');
  43         });
  44         this.$buttons.find('.oe-line-mode').click(function () {
  45             self.set_mode.bind(self)('line');
  46         });
  47         this.$buttons.find('.oe-pie-mode').click(function () {
  48             self.set_mode.bind(self)('pie');
  49         });
  50         this.$buttons.find('.fa-expand').click(this.swap_axis.bind(this));
  51         this.$buttons.find('.fa-arrows-alt').click(function () {
  52             self.pivot.expand_all().then(self.proxy('display_data'));
  53         });
  54         this.$buttons.find('.fa-download').click(this.export_xls.bind(this));
  55
  56         var indexes = {'pivot': 0, 'bar': 1, 'line': 2, 'chart': 3};
  57         this.$('.graph_mode_selection label').eq(indexes[this.mode]).addClass('selected');
  58
  59         if (this.mode !== 'pivot') {
  60             this.$('.graph_heatmap label').addClass('disabled');
  61             this.$('.graph_main_content').addClass('graph_chart_mode');
  62         } else {
  63             this.$('.graph_main_content').addClass('graph_pivot_mode');
  64         }
  65         // get search view
  66         var parent = this.getParent();
  67         while (!(parent instanceof openerp.web.ViewManager)) {
  68             parent = parent.getParent();
  69         }
  70         this.search_view = parent.searchview;
  71
  72         openerp.session.rpc('/web_graph/check_xlwt').then(function (result) {
  73             self.$('.graph_options_selection label').last().toggle(result);
  74         });
  75
  76         return this.model.call('fields_get', []).then(function (f) {
  77             self.fields = f;
  78             self.fields.__count = {field:'__count', type: 'integer', string:_t('Quantity')};
  79             self.groupby_fields = self.get_groupby_fields();
  80             self.measure_list = self.get_measures();
  81             self.add_measures_to_options();
  82             self.pivot_options.row_groupby = self.create_field_values(self.pivot_options.row_groupby || []);
  83             self.pivot_options.col_groupby = self.create_field_values(self.pivot_options.col_groupby || []);
  84             self.pivot_options.measures = self.create_field_values(self.pivot_options.measures || [{field:'__count', type: 'integer', string:'Quantity'}]);
  85             self.pivot = new openerp.web_graph.PivotTable(self.model, self.domain, self.fields, self.pivot_options);
  86             self.pivot.update_data().then(function () {
  87                 self.display_data();
  88                 if (self.graph_view) {
  89                     self.graph_view.register_groupby(self.pivot.rows.groupby, self.pivot.cols.groupby);
  90                 }
  91             });
  92             openerp.web.bus.on('click', self, function (event) {
  93                 if (self.dropdown) {
  94                     self.$row_clicked = $(event.target).closest('tr');
  95                     self.dropdown.remove();
  96                     self.dropdown = null;
  97                 }
  98             });
  99             self.put_measure_checkmarks();
 100         });
 101     },
 102
 103     get_groupby_fields: function () {
 104         var search_fields = this.get_search_fields(),
 105             search_field_names = _.pluck(search_fields, 'field'),
 106             other_fields = [],
 107             groupable_types = ['many2one', 'char', 'boolean', 'selection', 'date', 'datetime'];
 108
 109         _.each(this.fields, function (val, key) {
 110             if (!_.contains(search_field_names, key) &&
 111                 _.contains(groupable_types, val.type) &&
 112                 val.store === true) {
 113                 other_fields.push({
 114                     field: key,
 115                     string: val.string,
 116                 });
 117             }
 118         });
 119         return search_fields.concat(other_fields);
 120     },
 121
 122     // this method gets the fields that appear in the search view, under the
 123     // 'Groupby' heading
 124     get_search_fields: function () {
 125         return [];
 126         var self = this;
 127
 128         var groupbygroups = _(this.search_view.drawer.inputs).select(function (g) {
 129             return g instanceof openerp.web.search.GroupbyGroup;
 130         });
 131
 132         var filters = _.flatten(_.pluck(groupbygroups, 'filters'), true),
 133             groupbys = _.flatten(_.map(filters, function (filter) {
 134                 var groupby = py.eval(filter.attrs.context).group_by;
 135                 if (!(groupby instanceof Array)) { groupby = [groupby]; }
 136                 return _.map(groupby, function(g) {
 137                     return {field: g, filter: filter};
 138                 });
 139             }));
 140
 141         return _.uniq(_.map(groupbys, function (groupby) {
 142             var field = groupby.field,
 143                 filter = groupby.filter,
 144                 raw_field = field.split(':')[0],
 145                 string = (field === raw_field) ? filter.attrs.string : self.fields[raw_field].string;
 146
 147             filter = (field === raw_field) ? filter : undefined;
 148
 149             return { field: raw_field, string: string, filter: filter };
 150         }), false, function (filter) {return filter.field;});
 151     },
 152
 153     // Extracts the integer/float fields which are not 'id'
 154     get_measures: function() {
 155         return _.compact(_.map(this.fields, function (f, id) {
 156             if (((f.type === 'integer') || (f.type === 'float')) &&
 157                 (id !== 'id') &&
 158                 (f.store !== false)) {
 159                 return {field:id, type: f.type, string: f.string};
 160             }
 161         }));
 162     },
 163
 164     add_measures_to_options: function() {
 165         this.$measure_list.append(
 166         _.map(this.measure_list, function (measure) {
 167             return $('<li>').append($('<a>').attr('data-choice', measure.field)
 168                                      .attr('href', '#')
 169                                      .text(measure.string));
 170         }));
 171         this.$measure_list.find('li').click(this.measure_selection.bind(this));
 172     },
 173
 174     // ----------------------------------------------------------------------
 175     // Configuration methods
 176     // ----------------------------------------------------------------------
 177     set: function (domain, row_groupby, col_groupby, measures_groupby) {
 178         if (!this.pivot) {
 179             this.pivot_options.domain = domain;
 180             this.pivot_options.row_groupby = row_groupby;
 181             this.pivot_options.col_groupby = col_groupby;
 182             this.pivot_options.measures_groupby = measures_groupby;
 183             return;
 184         }
 185         var row_gbs = this.create_field_values(row_groupby),
 186             col_gbs = this.create_field_values(col_groupby),
 187             measures_gbs = this.create_field_values(measures_groupby),
 188             dom_changed = !_.isEqual(this.pivot.domain, domain),
 189             row_gb_changed = !_.isEqual(row_gbs, this.pivot.rows.groupby),
 190             col_gb_changed = !_.isEqual(col_gbs, this.pivot.cols.groupby),
 191             measures_gb_changed = !_.isEqual(measures_gbs, this.pivot.measures),
 192             row_reduced = is_strict_beginning_of(row_gbs, this.pivot.rows.groupby),
 193             col_reduced = is_strict_beginning_of(col_gbs, this.pivot.cols.groupby),
 194             measures_reduced = is_strict_beginning_of(measures_gbs, this.pivot.measures);
 195
 196         if (!dom_changed && row_reduced && !col_gb_changed && !measures_gb_changed) {
 197             this.pivot.fold_with_depth(this.pivot.rows, row_gbs.length);
 198             this.display_data();
 199             return;
 200         }
 201         if (!dom_changed && col_reduced && !row_gb_changed && !measures_gb_changed) {
 202             this.pivot.fold_with_depth(this.pivot.cols, col_gbs.length);
 203             this.display_data();
 204             return;
 205         }
 206
 207         if (!dom_changed && col_reduced && row_reduced && !measures_gb_changed) {
 208             this.pivot.fold_with_depth(this.pivot.rows, row_gbs.length);
 209             this.pivot.fold_with_depth(this.pivot.cols, col_gbs.length);
 210             this.display_data();
 211             return;
 212         }
 213
 214         if (dom_changed || row_gb_changed || col_gb_changed || measures_gb_changed) {
 215             this.pivot.set(domain, row_gbs, col_gbs, measures_gbs).then(this.proxy('display_data'));
 216         }
 217
 218         if (measures_gb_changed) {
 219             this.put_measure_checkmarks();
 220         }
 221     },
 222
 223     set_mode: function (mode) {
 224         this.mode = mode;
 225
 226         if (mode === 'pivot') {
 227             this.$('.graph_heatmap label').removeClass('disabled');
 228             this.$('.graph_main_content').removeClass('graph_chart_mode').addClass('graph_pivot_mode');
 229         } else {
 230             this.$('.graph_heatmap label').addClass('disabled');
 231             this.$('.graph_main_content').removeClass('graph_pivot_mode').addClass('graph_chart_mode');
 232         }
 233         this.display_data();
 234     },
 235
 236     create_field_value: function (f) {
 237         var field = (_.contains(f, ':')) ? f.split(':')[0] : f,
 238             groupby_field = _.findWhere(this.groupby_fields, {field:field}),
 239             string = groupby_field ? groupby_field.string : this.fields[field].string,
 240             result =  {field: f, string: string, type: this.fields[field].type };
 241
 242         if (groupby_field) {
 243             result.filter = groupby_field.filter;
 244         }
 245
 246         return result;
 247     },
 248
 249     create_field_values: function (field_ids) {
 250         return _.map(field_ids, this.proxy('create_field_value'));
 251     },
 252
 253
 254     get_col_groupbys: function () {
 255         return _.pluck(this.pivot.cols.groupby, 'field');
 256     },
 257
 258     get_current_measures: function () {
 259         return _.pluck(this.pivot.measures, 'field');
 260     },
 261
 262     // ----------------------------------------------------------------------
 263     // UI code
 264     // ----------------------------------------------------------------------
 265     events: {
 266         'click .graph_mode_selection label' : 'mode_selection',
 267         'click .graph_measure_selection li' : 'measure_selection',
 268         'click .graph_options_selection label' : 'option_selection',
 269         'click .graph_heatmap label' : 'heatmap_mode_selection',
 270         'click .web_graph_click' : 'header_cell_clicked',
 271         'click a.field-selection' : 'field_selection',
 272     },
 273
 274     mode_selection: function (event) {
 275         event.preventDefault();
 276         var mode = event.currentTarget.getAttribute('data-mode');
 277         this.set_mode(mode);
 278     },
 279
 280     measure_selection: function (event) {
 281         event.preventDefault();
 282         event.stopPropagation();
 283         var measure_field = event.target.getAttribute('data-choice');
 284         var measure = {
 285             field: measure_field,
 286             type: this.fields[measure_field].type,
 287             string: this.fields[measure_field].string
 288         };
 289
 290         this.pivot.toggle_measure(measure).then(this.proxy('display_data'));
 291         this.put_measure_checkmarks();
 292     },
 293
 294     put_measure_checkmarks: function () {
 295         var self = this,
 296             measures_li = this.$measure_list.find('li');
 297         measures_li.removeClass('selected');
 298         _.each(this.measure_list, function (measure, index) {
 299             if (_.findWhere(self.pivot.measures, measure)) {
 300                 measures_li.eq(index).addClass('selected');
 301             }
 302         });
 303
 304     },
 305
 306     option_selection: function (event) {
 307         event.preventDefault();
 308         switch (event.currentTarget.getAttribute('data-choice')) {
 309             case 'swap_axis':
 310                 this.swap_axis();
 311                 break;
 312             case 'expand_all':
 313                 this.pivot.expand_all().then(this.proxy('display_data'));
 314                 break;
 315             case 'update_values':
 316                 this.pivot.update_data().then(this.proxy('display_data'));
 317                 break;
 318             case 'export_data':
 319                 this.export_xls();
 320                 break;
 321         }
 322     },
 323
 324     header_cell_clicked: function (event) {
 325         event.preventDefault();
 326         event.stopPropagation();
 327         var id = event.target.getAttribute('data-id'),
 328             header = this.pivot.get_header(id),
 329             self = this;
 330
 331         if (header.expanded) {
 332             if (header.root === this.pivot.rows) {
 333                 this.fold_row(header, event);
 334             } else {
 335                 this.fold_col(header);
 336             }
 337             return;
 338         }
 339         if (header.path.length < header.root.groupby.length) {
 340             this.$row_clicked = $(event.target).closest('tr');
 341             this.expand(id);
 342             return;
 343         }
 344         if (!this.groupby_fields.length) {
 345             return;
 346         }
 347
 348         var fields = _.map(this.groupby_fields, function (field) {
 349                 return {id: field.field, value: field.string, type:self.fields[field.field.split(':')[0]].type};
 350         });
 351         if (this.dropdown) {
 352             this.dropdown.remove();
 353         }
 354         this.dropdown = $(QWeb.render('field_selection', {fields:fields, header_id:id}));
 355         $(event.target).after(this.dropdown);
 356         this.dropdown.css({
 357             position:'absolute',
 358             left:event.originalEvent.layerX,
 359         });
 360         this.$('.field-selection').next('.dropdown-menu').first().toggle();
 361     },
 362
 363     field_selection: function (event) {
 364         var id = event.target.getAttribute('data-id'),
 365             field_id = event.target.getAttribute('data-field-id'),
 366             interval,
 367             groupby = this.create_field_value(field_id);
 368         event.preventDefault();
 369         if (this.fields[field_id].type === 'date' || this.fields[field_id].type === 'datetime') {
 370             interval = event.target.getAttribute('data-interval');
 371             groupby.field =  groupby.field + ':' + interval;
 372         }
 373         this.expand(id, groupby);
 374     },
 375
 376     // ----------------------------------------------------------------------
 377     // Pivot Table integration
 378     // ----------------------------------------------------------------------
 379     expand: function (header_id, groupby) {
 380         var self = this,
 381             header = this.pivot.get_header(header_id),
 382             update_groupby = !!groupby;
 383
 384         groupby = groupby || header.root.groupby[header.path.length];
 385
 386         this.pivot.expand(header_id, groupby).then(function () {
 387             if (header.root === self.pivot.rows) {
 388                 // expanding rows can be done by only inserting in the dom
 389                 // console.log(event.target);
 390                 var rows = self.build_rows(header.children);
 391                 var doc_fragment = $(document.createDocumentFragment());
 392                 rows.map(function (row) {
 393                     doc_fragment.append(self.draw_row(row, 0));
 394                 });
 395                 self.$row_clicked.after(doc_fragment);
 396             } else {
 397                 // expanding cols will redraw the full table
 398                 self.display_data();
 399             }
 400             if (update_groupby && self.graph_view) {
 401                 self.graph_view.register_groupby(self.pivot.rows.groupby, self.pivot.cols.groupby);
 402             }
 403         });
 404
 405     },
 406
 407     fold_row: function (header, event) {
 408         var rows_before = this.pivot.rows.headers.length,
 409             update_groupby = this.pivot.fold(header),
 410             rows_after = this.pivot.rows.headers.length,
 411             rows_removed = rows_before - rows_after;
 412
 413         if (rows_after === 1) {
 414             // probably faster to redraw the unique row instead of removing everything
 415             this.display_data();
 416         } else {
 417             var $row = $(event.target).parent().parent();
 418             $row.nextAll().slice(0,rows_removed).remove();
 419         }
 420         if (update_groupby && this.graph_view) {
 421             this.graph_view.register_groupby(this.pivot.rows.groupby, this.pivot.cols.groupby);
 422         }
 423     },
 424
 425     fold_col: function (header) {
 426         var update_groupby = this.pivot.fold(header);
 427
 428         this.display_data();
 429         if (update_groupby && this.graph_view) {
 430             this.graph_view.register_groupby(this.pivot.rows.groupby, this.pivot.cols.groupby);
 431         }
 432     },
 433
 434     swap_axis: function () {
 435         this.pivot.swap_axis();
 436         this.display_data();
 437         this.graph_view.register_groupby(this.pivot.rows.groupby, this.pivot.cols.groupby);
 438     },
 439
 440     // ----------------------------------------------------------------------
 441     // Convert Pivot data structure into table structure :
 442     //      compute rows, cols, colors, cell width, cell height, ...
 443     // ----------------------------------------------------------------------
 444     build_table: function(raw) {
 445         return {
 446             headers: this.build_headers(),
 447             measure_row: this.build_measure_row(),
 448             rows: this.build_rows(this.pivot.rows.headers,raw),
 449             nbr_measures: this.pivot.measures.length,
 450             title: this.title,
 451         };
 452     },
 453
 454     build_headers: function () {
 455         var pivot = this.pivot,
 456             nbr_measures = pivot.measures.length,
 457             height = _.max(_.map(pivot.cols.headers, function(g) {return g.path.length;})) + 1,
 458             rows = [];
 459
 460         _.each(pivot.cols.headers, function (col) {
 461             var cell_width = nbr_measures * (col.expanded ? pivot.get_ancestor_leaves(col).length : 1),
 462                 cell_height = col.expanded ? 1 : height - col.path.length,
 463                 cell = {width: cell_width, height: cell_height, title: col.title, id: col.id, expanded: col.expanded};
 464             if (rows[col.path.length]) {
 465                 rows[col.path.length].push(cell);
 466             } else {
 467                 rows[col.path.length] = [cell];
 468             }
 469         });
 470
 471         if (pivot.get_cols_leaves().length > 1) {
 472             rows[0].push({width: nbr_measures, height: height, title: ' ', id: pivot.main_col().id });
 473         }
 474         if (pivot.cols.headers.length === 1) {
 475             rows = [[{width: nbr_measures, height: 1, title: _t('Total'), id: pivot.main_col().id, expanded: false}]];
 476         }
 477         return rows;
 478     },
 479
 480     build_measure_row: function () {
 481         var nbr_leaves = this.pivot.get_cols_leaves().length,
 482             nbr_cols = nbr_leaves + ((nbr_leaves > 1) ? 1 : 0),
 483             result = [],
 484             add_total = this.pivot.get_cols_leaves().length > 1,
 485             i, m;
 486         for (i = 0; i < nbr_cols; i++) {
 487             for (m = 0; m < this.pivot.measures.length; m++) {
 488                 result.push({
 489                     text:this.pivot.measures[m].string,
 490                     is_bold: add_total && (i === nbr_cols - 1)
 491                 });
 492             }
 493         }
 494         return result;
 495     },
 496
 497     make_cell: function (row, col, value, index, raw) {
 498         var formatted_value = raw && !_.isUndefined(value) ? value : openerp.web.format_value(value, {type:this.pivot.measures[index].type}),
 499             cell = {value:formatted_value};
 500
 501         return cell;
 502     },
 503
 504     build_rows: function (headers, raw) {
 505         var self = this,
 506             pivot = this.pivot,
 507             m, i, j, k, cell, row;
 508
 509         var rows = [];
 510         var cells, pivot_cells, values;
 511
 512         var nbr_of_rows = headers.length;
 513         var col_headers = pivot.get_cols_leaves();
 514
 515         for (i = 0; i < nbr_of_rows; i++) {
 516             row = headers[i];
 517             cells = [];
 518             pivot_cells = [];
 519             for (j = 0; j < pivot.cells.length; j++) {
 520                 if (pivot.cells[j].x == row.id || pivot.cells[j].y == row.id) {
 521                     pivot_cells.push(pivot.cells[j]);
 522                 }
 523             }
 524
 525             for (j = 0; j < col_headers.length; j++) {
 526                 values = undefined;
 527                 for (k = 0; k < pivot_cells.length; k++) {
 528                     if (pivot_cells[k].x == col_headers[j].id || pivot_cells[k].y == col_headers[j].id) {
 529                         values = pivot_cells[k].values;
 530                         break;
 531                     }
 532                 }
 533                 if (!values) { values = new Array(pivot.measures.length);}
 534                 for (m = 0; m < pivot.measures.length; m++) {
 535                     cells.push(self.make_cell(row,col_headers[j],values[m], m, raw));
 536                 }
 537             }
 538             if (col_headers.length > 1) {
 539                 var totals = pivot.get_total(row);
 540                 for (m = 0; m < pivot.measures.length; m++) {
 541                     cell = self.make_cell(row, pivot.cols.headers[0], totals[m], m, raw);
 542                     cell.is_bold = 'true';
 543                     cells.push(cell);
 544                 }
 545             }
 546             rows.push({
 547                 id: row.id,
 548                 indent: row.path.length,
 549                 title: row.title,
 550                 expanded: row.expanded,
 551                 cells: cells,
 552             });
 553         }
 554
 555         return rows;
 556     },
 557
 558     // ----------------------------------------------------------------------
 559     // Main display method
 560     // ----------------------------------------------------------------------
 561     display_data: function () {
 562         var scroll = $(window).scrollTop();
 563         this.$('.graph_main_content svg').remove();
 564         this.$('.graph_main_content div').remove();
 565         this.table.empty();
 566         this.$('.graph_options_selection label').last().toggleClass('disabled', this.pivot.no_data);
 567         this.width = this.$el.width();
 568         this.height = Math.min(Math.max(document.documentElement.clientHeight - 116 - 60, 250), Math.round(0.8*this.$el.width()));
 569
 570         this.$('.graph_header').toggle(this.visible_ui);
 571         if (this.pivot.no_data) {
 572             this.$('.graph_main_content').append($(QWeb.render('graph_no_data')));
 573         } else {
 574             if (this.mode === 'pivot') {
 575                 this.draw_table();
 576                 $(window).scrollTop(scroll);
 577             } else {
 578                 this.$('.graph_main_content').append($('<div><svg>'));
 579                 this.svg = this.$('.graph_main_content svg')[0];
 580                 this[this.mode]();
 581             }
 582         }
 583     },
 584
 585     // ----------------------------------------------------------------------
 586     // Drawing the table
 587     // ----------------------------------------------------------------------
 588     draw_table: function () {
 589         var custom_gbs = this.graph_view.get_custom_filter_groupbys(),
 590             frozen_rows = custom_gbs.groupby.length,
 591             frozen_cols = custom_gbs.col_groupby.length;
 592
 593         var table = this.build_table();
 594         var doc_fragment = $(document.createDocumentFragment());
 595         this.draw_headers(table.headers, doc_fragment, frozen_cols);
 596         this.draw_measure_row(table.measure_row, doc_fragment);
 597         this.draw_rows(table.rows, doc_fragment, frozen_rows);
 598         this.table.append(doc_fragment);
 599     },
 600
 601     make_header_cell: function (header, frozen) {
 602         var cell = (_.has(header, 'cells') ? $('<td>') : $('<th>'))
 603                         .addClass('graph_border')
 604                         .attr('rowspan', header.height)
 605                         .attr('colspan', header.width);
 606         var $content = $('<span>').attr('href','#')
 607                                  .text(' ' + (header.title || _t('Undefined')))
 608                                  .css('margin-left', header.indent*30 + 'px')
 609                                  .attr('data-id', header.id);
 610         if (_.has(header, 'expanded')) {
 611             if (('indent' in header) && header.indent >= frozen) {
 612                 $content.addClass(header.expanded ? 'fa fa-minus-square' : 'fa fa-plus-square');
 613                 $content.addClass('web_graph_click');
 614             }
 615             if (!('indent' in header) && header.lvl >= frozen) {
 616                 $content.addClass(header.expanded ? 'fa fa-minus-square' : 'fa fa-plus-square');
 617                 $content.addClass('web_graph_click');
 618             }
 619         } else {
 620             $content.css('font-weight', 'bold');
 621         }
 622         return cell.append($content);
 623     },
 624
 625     draw_headers: function (headers, doc_fragment, frozen_cols) {
 626         var make_cell = this.make_header_cell,
 627             $empty_cell = $('<th>').attr('rowspan', headers.length),
 628             $thead = $('<thead>');
 629
 630         _.each(headers, function (row, lvl) {
 631             var $row = $('<tr>');
 632             _.each(row, function (header) {
 633                 header.lvl = lvl;
 634                 $row.append(make_cell(header, frozen_cols));
 635             });
 636             $thead.append($row);
 637         });
 638         $thead.children(':first').prepend($empty_cell);
 639         doc_fragment.append($thead);
 640         this.$thead = $thead;
 641     },
 642
 643     draw_measure_row: function (measure_row) {
 644         var $row = $('<tr>').append('<th>');
 645         _.each(measure_row, function (cell) {
 646             var $cell = $('<th>').addClass('measure_row').text(cell.text);
 647             if (cell.is_bold) {$cell.css('font-weight', 'bold');}
 648             $row.append($cell);
 649         });
 650         this.$thead.append($row);
 651     },
 652
 653     draw_row: function (row, frozen_rows) {
 654         var $row = $('<tr>')
 655             .attr('data-indent', row.indent)
 656             .append(this.make_header_cell(row, frozen_rows));
 657
 658         var cells_length = row.cells.length;
 659         var cells_list = [];
 660         var cell, hcell;
 661
 662         for (var j = 0; j < cells_length; j++) {
 663             cell = row.cells[j];
 664             hcell = '<td';
 665             if (cell.is_bold || cell.color) {
 666                 hcell += ' style="';
 667                 if (cell.is_bold) hcell += 'font-weight: bold;';
 668                 if (cell.color) hcell += 'background-color:' + $.Color(255, cell.color, cell.color) + ';';
 669                 hcell += '"';
 670             }
 671             hcell += '>' + cell.value + '</td>';
 672             cells_list[j] = hcell;
 673         }
 674         return $row.append(cells_list.join(''));
 675     },
 676
 677     draw_rows: function (rows, doc_fragment, frozen_rows) {
 678         var rows_length = rows.length,
 679             $tbody = $('<tbody>');
 680
 681         doc_fragment.append($tbody);
 682         for (var i = 0; i < rows_length; i++) {
 683             $tbody.append(this.draw_row(rows[i], frozen_rows));
 684         }
 685     },
 686
 687     // ----------------------------------------------------------------------
 688     // Drawing charts code
 689     // ----------------------------------------------------------------------
 690     bar: function () {
 691         var self = this,
 692             dim_x = this.pivot.rows.groupby.length,
 693             dim_y = this.pivot.cols.groupby.length,
 694             show_controls = (this.width > 400 && this.height > 300 && dim_x + dim_y >=2),
 695             data;
 696
 697         // No groupby
 698         if ((dim_x === 0) && (dim_y === 0)) {
 699             data = [{key: _t('Total'), values:[{
 700                 x: _t('Total'),
 701                 y: this.pivot.get_total()[0],
 702             }]}];
 703         // Only column groupbys
 704         } else if ((dim_x === 0) && (dim_y >= 1)){
 705             data =  _.map(this.pivot.get_cols_with_depth(1), function (header) {
 706                 return {
 707                     key: header.title,
 708                     values: [{x:header.title, y: self.pivot.get_total(header)[0]}]
 709                 };
 710             });
 711         // Just 1 row groupby
 712         } else if ((dim_x === 1) && (dim_y === 0))  {
 713             data = _.map(this.pivot.main_row().children, function (pt) {
 714                 var value = self.pivot.get_total(pt)[0],
 715                     title = (pt.title !== undefined) ? pt.title : _t('Undefined');
 716                 return {x: title, y: value};
 717             });
 718             data = [{key: self.pivot.measures[0].string, values:data}];
 719         // 1 row groupby and some col groupbys
 720         } else if ((dim_x === 1) && (dim_y >= 1))  {
 721             data = _.map(this.pivot.get_cols_with_depth(1), function (colhdr) {
 722                 var values = _.map(self.pivot.get_rows_with_depth(1), function (header) {
 723                     return {
 724                         x: header.title || _t('Undefined'),
 725                         y: self.pivot.get_values(header.id, colhdr.id)[0] || 0
 726                     };
 727                 });
 728                 return {key: colhdr.title || _t('Undefined'), values: values};
 729             });
 730         // At least two row groupby
 731         } else {
 732             var keys = _.uniq(_.map(this.pivot.get_rows_with_depth(2), function (hdr) {
 733                 return hdr.title || _t('Undefined');
 734             }));
 735             data = _.map(keys, function (key) {
 736                 var values = _.map(self.pivot.get_rows_with_depth(1), function (hdr) {
 737                     var subhdr = _.find(hdr.children, function (child) {
 738                         return ((child.title === key) || ((child.title === undefined) && (key === _t('Undefined'))));
 739                     });
 740                     return {
 741                         x: hdr.title || _t('Undefined'),
 742                         y: (subhdr) ? self.pivot.get_total(subhdr)[0] : 0
 743                     };
 744                 });
 745                 return {key:key, values: values};
 746             });
 747         }
 748
 749         nv.addGraph(function () {
 750           var chart = nv.models.multiBarChart()
 751                 .reduceXTicks(false)
 752                 .stacked(self.bar_ui === 'stack')
 753                 .showControls(show_controls);
 754
 755             if (self.width / data[0].values.length < 80) {
 756                 chart.rotateLabels(-15);
 757                 chart.reduceXTicks(true);
 758                 chart.margin({bottom:40});
 759             }
 760
 761             d3.select(self.svg)
 762                 .datum(data)
 763                 .attr('width', self.width)
 764                 .attr('height', self.height)
 765                 .call(chart);
 766
 767             nv.utils.windowResize(chart.update);
 768             return chart;
 769         });
 770
 771     },
 772
 773     line: function () {
 774         var self = this,
 775             dim_x = this.pivot.rows.groupby.length,
 776             dim_y = this.pivot.cols.groupby.length;
 777
 778         var rows = this.pivot.get_rows_with_depth(dim_x),
 779             labels = _.pluck(rows, 'title');
 780
 781         var data = _.map(this.pivot.get_cols_leaves(), function (col) {
 782             var values = _.map(rows, function (row, index) {
 783                 return {x: index, y: self.pivot.get_values(row.id,col.id)[0] || 0};
 784             });
 785             var title = _.map(col.path, function (p) {
 786                 return p || _t('Undefined');
 787             }).join('/');
 788             if (dim_y === 0) {
 789                 title = self.pivot.measures[0].string;
 790             }
 791             return {values: values, key: title};
 792         });
 793
 794         nv.addGraph(function () {
 795             var chart = nv.models.lineChart()
 796                 .x(function (d,u) { return u; });
 797
 798             chart.xAxis.tickFormat(function (d,u) {return labels[d];});
 799
 800             d3.select(self.svg)
 801                 .attr('width', self.width)
 802                 .attr('height', self.height)
 803                 .datum(data)
 804                 .call(chart);
 805
 806             return chart;
 807           });
 808     },
 809
 810     pie: function () {
 811         var self = this,
 812             dim_x = this.pivot.rows.groupby.length;
 813         var data = _.map(this.pivot.get_rows_leaves(), function (row) {
 814             var title = _.map(row.path, function (p) {
 815                 return p || _t('Undefined');
 816             }).join('/');
 817             if (dim_x === 0) {
 818                 title = self.measure_label;
 819             }
 820             return {x: title, y: self.pivot.get_total(row)[0]};
 821         });
 822
 823         nv.addGraph(function () {
 824             var chart = nv.models.pieChart()
 825                 .width(self.width)
 826                 .height(self.height)
 827                 .color(d3.scale.category10().range());
 828
 829             d3.select(self.svg)
 830                 .datum(data)
 831                 .transition().duration(1200)
 832                 .attr('width', self.width)
 833                 .attr('height', self.height)
 834                 .call(chart);
 835
 836             nv.utils.windowResize(chart.update);
 837             return chart;
 838         });
 839     },
 840
 841     // ----------------------------------------------------------------------
 842     // Controller stuff...
 843     // ----------------------------------------------------------------------
 844     export_xls: function() {
 845         var c = openerp.webclient.crashmanager;
 846         openerp.web.blockUI();
 847         this.session.get_file({
 848             url: '/web_graph/export_xls',
 849             data: {data: JSON.stringify(this.build_table(true))},
 850             complete: openerp.web.unblockUI,
 851             error: c.rpc_error.bind(c)
 852         });
 853     },
 854
 855 });
 856
 857 // Utility function: returns true if the beginning of array2 is array1 and
 858 // if array1 is not array2
 859 function is_strict_beginning_of (array1, array2) {
 860     if (array1.length >= array2.length) { return false; }
 861     var result = true;
 862     for (var i = 0; i < array1.length; i++) {
 863         if (!_.isEqual(array1[i], array2[i])) { return false;}
 864     }
 865     return result;
 866 }
 867 })();